diff options
| -rw-r--r-- | Makefile | 13 | ||||
| -rw-r--r-- | libgamma-error.cc | 238 | ||||
| -rw-r--r-- | libgamma-error.hh | 304 | ||||
| -rw-r--r-- | libgamma-facade.cc | 881 | ||||
| -rw-r--r-- | libgamma-facade.hh | 291 | ||||
| -rw-r--r-- | libgamma-method.cc | 1013 | ||||
| -rw-r--r-- | libgamma-method.hh | 1932 | ||||
| -rw-r--r-- | libgamma-native.hh | 3 | ||||
| -rw-r--r-- | libgamma.hh | 3 | ||||
| -rw-r--r-- | test.cc | 585 |
10 files changed, 2594 insertions, 2669 deletions
@@ -13,11 +13,14 @@ LIB_VERSION = $(LIB_MAJOR).$(LIB_MINOR) LIB_NAME = gammamm -HDR =\ +LIBHDR =\ libgamma.hh\ libgamma-error.hh\ libgamma-facade.hh\ - libgamma-method.hh\ + libgamma-method.hh + +HDR =\ + $(LIBHDR)\ libgamma-native.hh OBJ =\ @@ -31,7 +34,7 @@ LOBJ = $(OBJ:.o=.lo) all: libgammamm.a libgammamm.$(LIBEXT) $(OBJ): $(HDR) $(LOBJ): $(HDR) -test.o: test.cc $(HDR) +test.o: test.cc $(LIBHDR) libgammamm.a: $(OBJ) @rm -f -- $@ @@ -59,7 +62,7 @@ install: libgammamm.a libgammamm.$(LIBEXT) $(FIX_INSTALL_NAME) "$(DESTDIR)$(PREFIX)/lib/libgammamm.$(LIBMINOREXT)" ln -sf -- libgammamm.$(LIBMINOREXT) "$(DESTDIR)$(PREFIX)/lib/libgammamm.$(LIBMAJOREXT)" ln -sf -- libgammamm.$(LIBMAJOREXT) "$(DESTDIR)$(PREFIX)/lib/libgammamm.$(LIBEXT)" - cp -- $(HDR) "$(DESTDIR)$(PREFIX)/include/" + cp -- $(LIBHDR) "$(DESTDIR)$(PREFIX)/include/" uninstall: mkdir -p -- "$(DESTDIR)$(PREFIX)/lib" @@ -68,7 +71,7 @@ uninstall: -rm -f -- "$(DESTDIR)$(PREFIX)/lib/libgammamm.$(LIBMINOREXT)" -rm -f -- "$(DESTDIR)$(PREFIX)/lib/libgammamm.$(LIBMAJOREXT)" -rm -f -- "$(DESTDIR)$(PREFIX)/lib/libgammamm.$(LIBEXT)" - -cd "$(DESTDIR)$(PREFIX)/include/" && rm -f -- $(HDR) + -cd "$(DESTDIR)$(PREFIX)/include/" && rm -f -- $(LIBHDR) -rm -- "$(DESTDIR)$(PKGCONFIGDIR)/libgammamm.pc" run-test: diff --git a/libgamma-error.cc b/libgamma-error.cc index db66bbe..f7cb5ee 100644 --- a/libgamma-error.cc +++ b/libgamma-error.cc @@ -1,134 +1,134 @@ /* See LICENSE file for copyright and license details. */ #include "libgamma-error.hh" - -#include <iostream> #include <cstring> +#include <iostream> namespace libgamma { - /** - * Prints an error to stderr in a `perror` fashion, - * however this function will not translate the `libgamma` - * errors into human-readable strings, it will simply - * print the name of the error. If the value `error_code` - * is the value of `LIBGAMMA_ERRNO_SET`, `perror` will be - * used to print the current error stored in `errno`. - * If `error_code` is non-negative (an `errno` value`), that - * value will be stored in `errno` and `perror` will be - * used to print it. Additionally, if the `error_code` is - * the value of `LIBGAMMA_DEVICE_REQUIRE_GROUP` the - * required group will be printed with its numerical value - * and, if known, its name. - * - * @param name The text to add at the beginning. - * @param value The error code, may be an `errno` value. - */ - void perror(const std::string name, int error_code) - { - libgamma_perror(name.c_str(), error_code); - } - - /** - * Returns the name of the definition associated with a `nullptr` error code. - * - * @param value The error code. - * @return The name of the definition associated with the error code, - * `nullptr` if the error code does not exist. - */ - std::string* name_of_error(int value) - { - const char* cstr = libgamma_name_of_error(value); - if (cstr == nullptr) - return nullptr; - return new std::string(cstr); - } - - /** - * Return the value of a `libgamma` error definition refered to by name. - * - * @param name The name of the definition associated with the error code. - * @return The error code, zero if the name is `nullptr` - * or does not refer to a `libgamma` error. - */ - int value_of_error(const std::string* name) - { - const char* cstr = nullptr; - if (name != nullptr) - cstr = name->c_str(); - return libgamma_value_of_error(cstr); - } - + /** + * Prints an error to stderr in a `perror` fashion, + * however this function will not translate the `libgamma` + * errors into human-readable strings, it will simply + * print the name of the error. If the value `error_code` + * is the value of `LIBGAMMA_ERRNO_SET`, `perror` will be + * used to print the current error stored in `errno`. + * If `error_code` is non-negative (an `errno` value`), that + * value will be stored in `errno` and `perror` will be + * used to print it. Additionally, if the `error_code` is + * the value of `LIBGAMMA_DEVICE_REQUIRE_GROUP` the + * required group will be printed with its numerical value + * and, if known, its name. + * + * @param name The text to add at the beginning + * @param value The error code, may be an `errno` value + */ + void + perror(const std::string name, int error_code) + { + libgamma_perror(name.c_str(), error_code); + } + + /** + * Returns the name of the definition associated with a `nullptr` error code + * + * @param value The error code + * @return The name of the definition associated with the error code, + * `nullptr` if the error code does not exist + */ + std::string * + name_of_error(int value) + { + const char *cstr = libgamma_name_of_error(value); + if (cstr == nullptr) + return nullptr; + return new std::string(cstr); + } -#ifdef __GNUC__ + /** + * Return the value of a `libgamma` error definition refered to by name + * + * @param name The name of the definition associated with the error code + * @return The error code, zero if the name is `nullptr` + * or does not refer to a `libgamma` error + */ + int + value_of_error(const std::string* name) + { + const char *cstr = nullptr; + if (name != nullptr) + cstr = name->c_str(); + return libgamma_value_of_error(cstr); + } + + +#if defined(__GNUC__) # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wshadow" #endif - /** - * Constructor. - * - * @param error_code The error code. - */ - LibgammaException::LibgammaException(int error_code) throw() : - error_code(error_code) - { - /* Do nothing. */ - } - - /** - * Destructor. - */ - LibgammaException::~LibgammaException() throw() - { - /* Do nothing. */ - } - - /** - * Get the error as a string. - */ - const char* LibgammaException::what() const throw() - { - if (this->error_code < 0) - return libgamma_name_of_error(this->error_code); - else - return strerror(this->error_code); - } - -#ifdef __GNUC__ + /** + * Constructor + * + * @param error_code The error code + */ + LibgammaException::LibgammaException(int error_code) throw() : error_code(error_code) + { + /* do nothing */ + } + + /** + * Destructor + */ + LibgammaException::~LibgammaException() throw() + { + /* do nothing */ + } + + /** + * Get the error as a string + */ + const char * + LibgammaException::what() const throw() + { + if (this->error_code < 0) + return libgamma_name_of_error(this->error_code); + else + return strerror(this->error_code); + } + +#if defined(__GNUC__) # pragma GCC diagnostic pop #endif - - - /** - * Create an exception from an error code - * that may come from `errno.h` or be a - * `libgamma` error code. - * - * @param error_code The error code. - * @return The error object. - */ - LibgammaException create_error(int error_code) - { - if (error_code == LIBGAMMA_ERRNO_SET) - error_code = errno; - return LibgammaException(error_code); - } - - - /** - * Group that the user needs to be a member of if - * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned. - */ - GroupGid group_gid; - - /** - * Group that the user needs to be a member of if - * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned, - * `nullptr` if the name of the group - * `libgamma::group_gid` cannot be determined. - */ - GroupName group_name; - -} + + /** + * Create an exception from an error code + * that may come from `errno.h` or be a + * `libgamma` error code + * + * @param error_code The error code + * @return The error object + */ + LibgammaException create_error(int error_code) + { + if (error_code == LIBGAMMA_ERRNO_SET) + error_code = errno; + return LibgammaException(error_code); + } + + + /** + * Group that the user needs to be a member of if + * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned + */ + GroupGid group_gid; + + /** + * Group that the user needs to be a member of if + * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned, + * `nullptr` if the name of the group + * `libgamma::group_gid` cannot be determined + */ + GroupName group_name; +} diff --git a/libgamma-error.hh b/libgamma-error.hh index 5f65e86..ec252c7 100644 --- a/libgamma-error.hh +++ b/libgamma-error.hh @@ -2,176 +2,170 @@ #ifndef LIBGAMMA_ERROR_HH #define LIBGAMMA_ERROR_HH - -#include <string> #include <exception> +#include <string> #include "libgamma-native.hh" -#ifndef __GNUC__ -# define __attribute__(X) /* emtpy */ +#if defined(__GNUC__) +# define LIBGAMMAMM_PURE__ __attribute__((__pure__)) +#else +# define LIBGAMMAMM_PURE__ #endif -#ifndef __WIN32__ -# define libgamma_gid_t gid_t +#if !defined(__WIN32__) +# define libgamma_gid_t gid_t #else -# define libgamma_gid_t short +# define libgamma_gid_t short #endif - namespace libgamma { - /** - * Class for `group_gid`. - */ - class GroupGid; - - /** - * Class for `group_name`. - */ - class GroupName; - - - /** - * Prints an error to stderr in a `perror` fashion, - * however this function will not translate the `libgamma` - * errors into human-readable strings, it will simply - * print the name of the error. If the value `error_code` - * is the value of `LIBGAMMA_ERRNO_SET`, `perror` will be - * used to print the current error stored in `errno`. - * If `error_code` is non-negative (an `errno` value`), that - * value will be stored in `errno` and `perror` will be - * used to print it. Additionally, if the `error_code` is - * the value of `LIBGAMMA_DEVICE_REQUIRE_GROUP` the - * required group will be printed with its numerical value - * and, if known, its name. - * - * @param name The text to add at the beginning. - * @param value The error code, may be an `errno` value. - */ - void perror(const std::string name, int error_code); - - /** - * Returns the name of the definition associated with a `nullptr` error code. - * - * @param value The error code. - * @return The name of the definition associated with the error code, - * `nullptr` if the error code does not exist. - */ - std::string* name_of_error(int value); - - /** - * Return the value of a `libgamma` error definition refered to by name. - * - * @param name The name of the definition associated with the error code. - * @return The error code, zero if the name is `nullptr` - * or does not refer to a `libgamma` error. - */ - int value_of_error(const std::string* name) __attribute__((pure)); - - - /** - * Class for `group_gid`. - */ - class GroupGid - { - public: - const GroupGid& operator =(const libgamma_gid_t& value) const - { - libgamma_group_gid = value; - return *this; - } - - operator libgamma_gid_t() const - { - return libgamma_group_gid; - } - }; - - /** - * Group that the user needs to be a member of if - * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned. - */ - extern GroupGid group_gid; - - - /** - * Class for `group_name`. - */ - class GroupName - { - public: - const GroupName& operator =(const char* value) const - { - libgamma_group_name = value; - return *this; - } - - operator const char*() const - { - return libgamma_group_name; - } - }; - - /** - * Group that the user needs to be a member of if - * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned, - * `nullptr` if the name of the group - * `libgamma::group_gid` cannot be determined. - */ - extern GroupName group_name; - - - /** - * Libgamma exception class. - */ - class LibgammaException : public std::exception - { - public: - /** - * Constructor. - * - * @param error_code The error code. - */ - LibgammaException(int error_code) throw(); - - /** - * Destructor. - */ - virtual ~LibgammaException() throw(); - - /** - * Get the error as a string. - */ - virtual const char* what() const throw(); - - /** - * The error code. - */ - int error_code; - - }; - - - /** - * Create an exception from an error code - * that may come from `errno.h` or be a - * `libgamma` error code. - * - * @param error_code The error code. - * @return The error object. - */ - LibgammaException create_error(int error_code); - -} + /** + * Class for `group_gid` + */ + class GroupGid; + /** + * Class for `group_name` + */ + class GroupName; -#ifndef __GNUC__ -# undef __attribute__ -#endif -#endif + /** + * Prints an error to stderr in a `perror` fashion, + * however this function will not translate the `libgamma` + * errors into human-readable strings, it will simply + * print the name of the error. If the value `error_code` + * is the value of `LIBGAMMA_ERRNO_SET`, `perror` will be + * used to print the current error stored in `errno`. + * If `error_code` is non-negative (an `errno` value`), that + * value will be stored in `errno` and `perror` will be + * used to print it. Additionally, if the `error_code` is + * the value of `LIBGAMMA_DEVICE_REQUIRE_GROUP` the + * required group will be printed with its numerical value + * and, if known, its name. + * + * @param name The text to add at the beginning + * @param value The error code, may be an `errno` value + */ + void perror(const std::string name, int error_code); + + /** + * Returns the name of the definition associated with a `nullptr` error code + * + * @param value The error code + * @return The name of the definition associated with the error code, + * `nullptr` if the error code does not exist + */ + std::string *name_of_error(int value); + + /** + * Return the value of a `libgamma` error definition refered to by name + * + * @param name The name of the definition associated with the error code + * @return The error code, zero if the name is `nullptr` + * or does not refer to a `libgamma` error + */ + LIBGAMMAMM_PURE__ int value_of_error(const std::string *name); + + + /** + * Class for `group_gid` + */ + class GroupGid + { + public: + const GroupGid & + operator =(const libgamma_gid_t &value) const + { + libgamma_group_gid = value; + return *this; + } + + operator libgamma_gid_t() const + { + return libgamma_group_gid; + } + }; + + /** + * Group that the user needs to be a member of if + * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned + */ + extern GroupGid group_gid; + + /** + * Class for `group_name` + */ + class GroupName + { + public: + const GroupName & + operator =(const char *value) const + { + libgamma_group_name = value; + return *this; + } + + operator const char *() const + { + return libgamma_group_name; + } + }; + + /** + * Group that the user needs to be a member of if + * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned, + * `nullptr` if the name of the group + * `libgamma::group_gid` cannot be determined + */ + extern GroupName group_name; + + + /** + * Libgamma exception class + */ + class LibgammaException : public std::exception + { + public: + /** + * Constructor + * + * @param error_code The error code + */ + LibgammaException(int error_code) throw(); + + /** + * Destructor + */ + virtual ~LibgammaException() throw(); + + /** + * Get the error as a string + */ + virtual const char *what() const throw(); + + /** + * The error code + */ + int error_code; + }; + + + /** + * Create an exception from an error code + * that may come from `errno.h` or be a + * `libgamma` error code + * + * @param error_code The error code + * @return The error object + */ + LibgammaException create_error(int error_code); +} + +#endif diff --git a/libgamma-facade.cc b/libgamma-facade.cc index 9d74d6f..dfb07f3 100644 --- a/libgamma-facade.cc +++ b/libgamma-facade.cc @@ -1,443 +1,456 @@ /* See LICENSE file for copyright and license details. */ #include "libgamma-facade.hh" - #include "libgamma-error.hh" - #include <cstdlib> namespace libgamma { - /** - * List available adjustment methods by their order of preference based on the environment. - * - * @param operation Allowed values: - * 0: Methods that the environment suggests will work, excluding fake. - * 1: Methods that the environment suggests will work, including fake. - * 2: All real non-fake methods. - * 3: All real methods. - * 4: All methods. - * Other values invoke undefined behaviour. - * @return Array of methods. - */ - std::vector<int> list_methods(int operation) - { - int* methods = (int*)malloc(LIBGAMMA_METHOD_COUNT * sizeof(int)); - size_t n, i; - std::vector<int> rc; - - n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, operation); - if (n > LIBGAMMA_METHOD_COUNT) - { - free(methods); - methods = (int*)malloc(n * sizeof(int)); - libgamma_list_methods(methods, n, operation); - } - - for (i = 0; i < n; i++) - rc.push_back(methods[i]); - - free(methods); - return rc; - } - - /** - * Check whether an adjustment method is available, non-existing (invalid) methods will be - * identified as not available under the rationale that the library may be out of date. - * - * @param method The adjustment method. - * @return Whether the adjustment method is available. - */ - int is_method_available(int method) - { - return libgamma_is_method_available(method); - } - - /** - * Return the capabilities of an adjustment method. - * - * @param output The data structure to fill with the method's capabilities, - * @param method The adjustment method (display server and protocol). - */ - void method_capabilities(MethodCapabilities* output, int method) - { - libgamma_method_capabilities_t caps; - libgamma_method_capabilities(&caps, method); - *output = MethodCapabilities(&caps); - } - - /** - * Return the default site for an adjustment method. - * - * @param method The adjustment method (display server and protocol.) - * @return The default site, `nullptr` if it cannot be determined or if - * multiple sites are not supported by the adjustment method. - */ - std::string* method_default_site(int method) - { - char* cstr = libgamma_method_default_site(method); - if (cstr == nullptr) - return nullptr; - return new std::string(cstr); - } - - /** - * Return the default variable that determines - * the default site for an adjustment method. - * - * @param method The adjustment method (display server and protocol.) - * @return The environ variables that is used to determine the - * default site. `nullptr` if there is none, that is, if - * the method does not support multiple sites. - * This value should not be `free`:d. - */ - std::string* method_default_site_variable(int method) - { - const char* cstr = libgamma_method_default_site_variable(method); - if (cstr == nullptr) - return nullptr; - return new std::string(cstr); - } - - - /** - * Convert a raw representation of an EDID to a lowercase hexadecimal representation. - * - * @param edid The EDID in raw representation. - * @param length The length of `edid`. - * @return The EDID in lowercase hexadecimal representation. - */ - std::string behex_edid(const unsigned char* edid, size_t length) - { - return behex_edid_lowercase(edid, length); - } - - /** - * Convert a raw representation of an EDID to a lowercase hexadecimal representation. - * - * @param edid The EDID in raw representation. - * @param length The length of `edid`. - * @return The EDID in lowercase hexadecimal representation. - */ - std::string behex_edid_lowercase(const unsigned char* edid, size_t length) - { - char* cstr = libgamma_behex_edid_lowercase(edid, length); - std::string rc = std::string(cstr); - free(cstr); - return rc; - } - - /** - * Convert a raw representation of an EDID to an uppercase hexadecimal representation. - * - * @param edid The EDID in raw representation. - * @param length The length of `edid`. - * @return The EDID in uppercase hexadecimal representation. - */ - std::string behex_edid_uppercase(const unsigned char* edid, size_t length) - { - char* cstr = libgamma_behex_edid_uppercase(edid, length); - std::string rc = std::string(cstr); - free(cstr); - return rc; - } - - /** - * Convert an hexadecimal representation of an EDID to a raw representation. - * - * @param edid The EDID in hexadecimal representation. - * @return The EDID in raw representation, it will be half the length - * of `edid` (the input value). - */ - unsigned char* unhex_edid(const std::string edid) - { - const char* cstr = edid.c_str(); - return libgamma_unhex_edid(cstr); - } - - - /** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - */ - void gamma_ramps8_initialise(GammaRamps<uint8_t>* ramps, size_t red, size_t blue, size_t green) - { - libgamma_gamma_ramps8_t native; - int r; - native.red_size = ramps->red.size = red; - native.green_size = ramps->green.size = green; - native.blue_size = ramps->blue.size = blue; - ramps->depth = 8; - r = libgamma_gamma_ramps8_initialise(&native); - if (r != 0) - throw create_error(r); - ramps->red.ramp = native.red; - ramps->green.ramp = native.green; - ramps->blue.ramp = native.blue; - } - - /** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - */ - void gamma_ramps16_initialise(GammaRamps<uint16_t>* ramps, size_t red, size_t blue, size_t green) - { - libgamma_gamma_ramps16_t native; - int r; - native.red_size = ramps->red.size = red; - native.green_size = ramps->green.size = green; - native.blue_size = ramps->blue.size = blue; - ramps->depth = 16; - r = libgamma_gamma_ramps16_initialise(&native); - if (r != 0) - throw create_error(r); - ramps->red.ramp = native.red; - ramps->green.ramp = native.green; - ramps->blue.ramp = native.blue; - } - - /** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - */ - void gamma_ramps32_initialise(GammaRamps<uint32_t>* ramps, size_t red, size_t blue, size_t green) - { - libgamma_gamma_ramps32_t native; - int r; - native.red_size = ramps->red.size = red; - native.green_size = ramps->green.size = green; - native.blue_size = ramps->blue.size = blue; - ramps->depth = 32; - r = libgamma_gamma_ramps32_initialise(&native); - if (r != 0) - throw create_error(r); - ramps->red.ramp = native.red; - ramps->green.ramp = native.green; - ramps->blue.ramp = native.blue; - } - - /** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - */ - void gamma_ramps64_initialise(GammaRamps<uint64_t>* ramps, size_t red, size_t blue, size_t green) - { - libgamma_gamma_ramps64_t native; - int r; - native.red_size = ramps->red.size = red; - native.green_size = ramps->green.size = green; - native.blue_size = ramps->blue.size = blue; - ramps->depth = 64; - r = libgamma_gamma_ramps64_initialise(&native); - if (r != 0) - throw create_error(r); - ramps->red.ramp = native.red; - ramps->green.ramp = native.green; - ramps->blue.ramp = native.blue; - } - - /** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - */ - void gamma_rampsf_initialise(GammaRamps<float>* ramps, size_t red, size_t blue, size_t green) - { - libgamma_gamma_rampsf_t native; - int r; - native.red_size = ramps->red.size = red; - native.green_size = ramps->green.size = green; - native.blue_size = ramps->blue.size = blue; - ramps->depth = -1; - r = libgamma_gamma_rampsf_initialise(&native); - if (r != 0) - throw create_error(r); - ramps->red.ramp = native.red; - ramps->green.ramp = native.green; - ramps->blue.ramp = native.blue; - } - - /** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - */ - void gamma_rampsd_initialise(GammaRamps<double>* ramps, size_t red, size_t blue, size_t green) - { - libgamma_gamma_rampsd_t native; - int r; - native.red_size = ramps->red.size = red; - native.green_size = ramps->green.size = green; - native.blue_size = ramps->blue.size = blue; - ramps->depth = -2; - r = libgamma_gamma_rampsd_initialise(&native); - if (r != 0) - throw create_error(r); - ramps->red.ramp = native.red; - ramps->green.ramp = native.green; - ramps->blue.ramp = native.blue; - } - - - /** - * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. - */ - GammaRamps<uint8_t>* gamma_ramps8_create(size_t red, size_t blue, size_t green) - { - libgamma_gamma_ramps8_t ramps; - int r; - ramps.red_size = red; - ramps.green_size = green; - ramps.blue_size = blue; - r = libgamma_gamma_ramps8_initialise(&ramps); - if (r != 0) - throw create_error(r); - return new GammaRamps<uint8_t>(ramps.red, ramps.green, ramps.blue, red, green, blue, 8); - } - - /** - * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. - */ - GammaRamps<uint16_t>* gamma_ramps16_create(size_t red, size_t blue, size_t green) - { - libgamma_gamma_ramps16_t ramps; - int r; - ramps.red_size = red; - ramps.green_size = green; - ramps.blue_size = blue; - r = libgamma_gamma_ramps16_initialise(&ramps); - if (r != 0) - throw create_error(r); - return new GammaRamps<uint16_t>(ramps.red, ramps.green, ramps.blue, red, green, blue, 16); - } - - /** - * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. - */ - GammaRamps<uint32_t>* gamma_ramps32_create(size_t red, size_t blue, size_t green) - { - libgamma_gamma_ramps32_t ramps; - int r; - ramps.red_size = red; - ramps.green_size = green; - ramps.blue_size = blue; - r = libgamma_gamma_ramps32_initialise(&ramps); - if (r != 0) - throw create_error(r); - return new GammaRamps<uint32_t>(ramps.red, ramps.green, ramps.blue, red, green, blue, 32); - } - - /** - * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. - */ - GammaRamps<uint64_t>* gamma_ramps64_create(size_t red, size_t blue, size_t green) - { - libgamma_gamma_ramps64_t ramps; - int r; - ramps.red_size = red; - ramps.green_size = green; - ramps.blue_size = blue; - r = libgamma_gamma_ramps64_initialise(&ramps); - if (r != 0) - throw create_error(r); - return new GammaRamps<uint64_t>(ramps.red, ramps.green, ramps.blue, red, green, blue, 64); - } - - /** - * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. - */ - GammaRamps<float>* gamma_rampsf_create(size_t red, size_t blue, size_t green) - { - libgamma_gamma_rampsf_t ramps; - int r; - ramps.red_size = red; - ramps.green_size = green; - ramps.blue_size = blue; - r = libgamma_gamma_rampsf_initialise(&ramps); - if (r != 0) - throw create_error(r); - return new GammaRamps<float>(ramps.red, ramps.green, ramps.blue, red, green, blue, -1); - } - - /** - * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. - */ - GammaRamps<double>* gamma_rampsd_create(size_t red, size_t blue, size_t green) - { - libgamma_gamma_rampsd_t ramps; - int r; - ramps.red_size = red; - ramps.green_size = green; - ramps.blue_size = blue; - r = libgamma_gamma_rampsd_initialise(&ramps); - if (r != 0) - throw create_error(r); - return new GammaRamps<double>(ramps.red, ramps.green, ramps.blue, red, green, blue, -2); - } - -} + /** + * List available adjustment methods by their order of preference based on the environment + * + * @param operation Allowed values + * 0: Methods that the environment suggests will work, excluding fake + * 1: Methods that the environment suggests will work, including fake + * 2: All real non-fake methods + * 3: All real methods + * 4: All methods + * Other values invoke undefined behaviour + * @return Array of methods + */ + std::vector<int> + list_methods(int operation) + { + int *methods = (int*)malloc(LIBGAMMA_METHOD_COUNT * sizeof(int)); + size_t n, i; + std::vector<int> rc; + + n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, operation); + if (n > LIBGAMMA_METHOD_COUNT) { + free(methods); + methods = (int*)malloc(n * sizeof(int)); + libgamma_list_methods(methods, n, operation); + } + + for (i = 0; i < n; i++) + rc.push_back(methods[i]); + + free(methods); + return rc; + } + + /** + * Check whether an adjustment method is available, non-existing (invalid) methods will be + * identified as not available under the rationale that the library may be out of date + * + * @param method The adjustment method + * @return Whether the adjustment method is available + */ + int + is_method_available(int method) + { + return libgamma_is_method_available(method); + } + + /** + * Return the capabilities of an adjustment method + * + * @param output The data structure to fill with the method's capabilities + * @param method The adjustment method (display server and protocol) + */ + void + method_capabilities(MethodCapabilities *output, int method) + { + libgamma_method_capabilities_t caps; + libgamma_method_capabilities(&caps, method); + *output = MethodCapabilities(&caps); + } + + /** + * Return the default site for an adjustment method + * + * @param method The adjustment method (display server and protocol) + * @return The default site, `nullptr` if it cannot be determined or if + * multiple sites are not supported by the adjustment method + */ + std::string * + method_default_site(int method) + { + char *cstr = libgamma_method_default_site(method); + if (cstr == nullptr) + return nullptr; + return new std::string(cstr); + } + + /** + * Return the default variable that determines + * the default site for an adjustment method + * + * @param method The adjustment method (display server and protocol) + * @return The environ variables that is used to determine the + * default site. `nullptr` if there is none, that is, if + * the method does not support multiple sites. + * This value should not be `free`:d. + */ + std::string * + method_default_site_variable(int method) + { + const char *cstr = libgamma_method_default_site_variable(method); + if (cstr == nullptr) + return nullptr; + return new std::string(cstr); + } + + /** + * Convert a raw representation of an EDID to a lowercase hexadecimal representation + * + * @param edid The EDID in raw representation + * @param length The length of `edid` + * @return The EDID in lowercase hexadecimal representation + */ + std::string + behex_edid(const unsigned char *edid, size_t length) + { + return behex_edid_lowercase(edid, length); + } + + /** + * Convert a raw representation of an EDID to a lowercase hexadecimal representation + * + * @param edid The EDID in raw representation + * @param length The length of `edid` + * @return The EDID in lowercase hexadecimal representation + */ + std::string + behex_edid_lowercase(const unsigned char *edid, size_t length) + { + char *cstr = libgamma_behex_edid_lowercase(edid, length); + std::string rc = std::string(cstr); + free(cstr); + return rc; + } + + /** + * Convert a raw representation of an EDID to an uppercase hexadecimal representation + * + * @param edid The EDID in raw representation + * @param length The length of `edid` + * @return The EDID in uppercase hexadecimal representation + */ + std::string + behex_edid_uppercase(const unsigned char *edid, size_t length) + { + char *cstr = libgamma_behex_edid_uppercase(edid, length); + std::string rc = std::string(cstr); + free(cstr); + return rc; + } + /** + * Convert an hexadecimal representation of an EDID to a raw representation + * + * @param edid The EDID in hexadecimal representation + * @return The EDID in raw representation, it will be half the length + * of `edid` (the input value) + */ + unsigned char * + unhex_edid(const std::string edid) + { + const char *cstr = edid.c_str(); + return libgamma_unhex_edid(cstr); + } + + /** + * Initialise a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation + * + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + */ + void + gamma_ramps8_initialise(GammaRamps<uint8_t> *ramps, size_t red, size_t blue, size_t green) + { + libgamma_gamma_ramps8_t native; + int r; + native.red_size = ramps->red.size = red; + native.green_size = ramps->green.size = green; + native.blue_size = ramps->blue.size = blue; + ramps->depth = 8; + r = libgamma_gamma_ramps8_initialise(&native); + if (r) + throw create_error(r); + ramps->red.ramp = native.red; + ramps->green.ramp = native.green; + ramps->blue.ramp = native.blue; + } + + /** + * Initialise a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation + * + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + */ + void + gamma_ramps16_initialise(GammaRamps<uint16_t> *ramps, size_t red, size_t blue, size_t green) + { + libgamma_gamma_ramps16_t native; + int r; + native.red_size = ramps->red.size = red; + native.green_size = ramps->green.size = green; + native.blue_size = ramps->blue.size = blue; + ramps->depth = 16; + r = libgamma_gamma_ramps16_initialise(&native); + if (r) + throw create_error(r); + ramps->red.ramp = native.red; + ramps->green.ramp = native.green; + ramps->blue.ramp = native.blue; + } + + /** + * Initialise a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation + * + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + */ + void + gamma_ramps32_initialise(GammaRamps<uint32_t> *ramps, size_t red, size_t blue, size_t green) + { + libgamma_gamma_ramps32_t native; + int r; + native.red_size = ramps->red.size = red; + native.green_size = ramps->green.size = green; + native.blue_size = ramps->blue.size = blue; + ramps->depth = 32; + r = libgamma_gamma_ramps32_initialise(&native); + if (r) + throw create_error(r); + ramps->red.ramp = native.red; + ramps->green.ramp = native.green; + ramps->blue.ramp = native.blue; + } + + /** + * Initialise a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation + * + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + */ + void + gamma_ramps64_initialise(GammaRamps<uint64_t> *ramps, size_t red, size_t blue, size_t green) + { + libgamma_gamma_ramps64_t native; + int r; + native.red_size = ramps->red.size = red; + native.green_size = ramps->green.size = green; + native.blue_size = ramps->blue.size = blue; + ramps->depth = 64; + r = libgamma_gamma_ramps64_initialise(&native); + if (r) + throw create_error(r); + ramps->red.ramp = native.red; + ramps->green.ramp = native.green; + ramps->blue.ramp = native.blue; + } + + /** + * Initialise a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation. + * + * @param ramps The gamma ramp to initialise. + * @param red The size of the gamma ramp for the red channel. + * @param green The size of the gamma ramp for the green channel. + * @param blue The size of the gamma ramp for the blue channel. + */ + void + gamma_rampsf_initialise(GammaRamps<float> *ramps, size_t red, size_t blue, size_t green) + { + libgamma_gamma_rampsf_t native; + int r; + native.red_size = ramps->red.size = red; + native.green_size = ramps->green.size = green; + native.blue_size = ramps->blue.size = blue; + ramps->depth = -1; + r = libgamma_gamma_rampsf_initialise(&native); + if (r) + throw create_error(r); + ramps->red.ramp = native.red; + ramps->green.ramp = native.green; + ramps->blue.ramp = native.blue; + } + + /** + * Initialise a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation + * + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + */ + void + gamma_rampsd_initialise(GammaRamps<double> *ramps, size_t red, size_t blue, size_t green) + { + libgamma_gamma_rampsd_t native; + int r; + native.red_size = ramps->red.size = red; + native.green_size = ramps->green.size = green; + native.blue_size = ramps->blue.size = blue; + ramps->depth = -2; + r = libgamma_gamma_rampsd_initialise(&native); + if (r) + throw create_error(r); + ramps->red.ramp = native.red; + ramps->green.ramp = native.green; + ramps->blue.ramp = native.blue; + } + + /** + * Create a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation + * + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + * @return The gamma ramp + */ + GammaRamps<uint8_t> * + gamma_ramps8_create(size_t red, size_t blue, size_t green) + { + libgamma_gamma_ramps8_t ramps; + int r; + ramps.red_size = red; + ramps.green_size = green; + ramps.blue_size = blue; + r = libgamma_gamma_ramps8_initialise(&ramps); + if (r) + throw create_error(r); + return new GammaRamps<uint8_t>(ramps.red, ramps.green, ramps.blue, red, green, blue, 8); + } + + /** + * Create a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation + * + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + * @return The gamma ramp + */ + GammaRamps<uint16_t> * + gamma_ramps16_create(size_t red, size_t blue, size_t green) + { + libgamma_gamma_ramps16_t ramps; + int r; + ramps.red_size = red; + ramps.green_size = green; + ramps.blue_size = blue; + r = libgamma_gamma_ramps16_initialise(&ramps); + if (r) + throw create_error(r); + return new GammaRamps<uint16_t>(ramps.red, ramps.green, ramps.blue, red, green, blue, 16); + } + + /** + * Create a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation + * + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + * @return The gamma ramp + */ + GammaRamps<uint32_t> * + gamma_ramps32_create(size_t red, size_t blue, size_t green) + { + libgamma_gamma_ramps32_t ramps; + int r; + ramps.red_size = red; + ramps.green_size = green; + ramps.blue_size = blue; + r = libgamma_gamma_ramps32_initialise(&ramps); + if (r) + throw create_error(r); + return new GammaRamps<uint32_t>(ramps.red, ramps.green, ramps.blue, red, green, blue, 32); + } + + /** + * Create a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation + * + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + * @return The gamma ramp + */ + GammaRamps<uint64_t> * + gamma_ramps64_create(size_t red, size_t blue, size_t green) + { + libgamma_gamma_ramps64_t ramps; + int r; + ramps.red_size = red; + ramps.green_size = green; + ramps.blue_size = blue; + r = libgamma_gamma_ramps64_initialise(&ramps); + if (r) + throw create_error(r); + return new GammaRamps<uint64_t>(ramps.red, ramps.green, ramps.blue, red, green, blue, 64); + } + + /** + * Create a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation. + * + * @param red The size of the gamma ramp for the red channel. + * @param green The size of the gamma ramp for the green channel. + * @param blue The size of the gamma ramp for the blue channel. + * @return The gamma ramp. + */ + GammaRamps<float> * + gamma_rampsf_create(size_t red, size_t blue, size_t green) + { + libgamma_gamma_rampsf_t ramps; + int r; + ramps.red_size = red; + ramps.green_size = green; + ramps.blue_size = blue; + r = libgamma_gamma_rampsf_initialise(&ramps); + if (r) + throw create_error(r); + return new GammaRamps<float>(ramps.red, ramps.green, ramps.blue, red, green, blue, -1); + } + + /** + * Create a gamma ramp in the proper way that allows all adjustment + * methods to read from and write to it without causing segmentation violation. + * + * @param red The size of the gamma ramp for the red channel. + * @param green The size of the gamma ramp for the green channel. + * @param blue The size of the gamma ramp for the blue channel. + * @return The gamma ramp. + */ + GammaRamps<double> * + gamma_rampsd_create(size_t red, size_t blue, size_t green) + { + libgamma_gamma_rampsd_t ramps; + int r; + ramps.red_size = red; + ramps.green_size = green; + ramps.blue_size = blue; + r = libgamma_gamma_rampsd_initialise(&ramps); + if (r) + throw create_error(r); + return new GammaRamps<double>(ramps.red, ramps.green, ramps.blue, red, green, blue, -2); + } +} diff --git a/libgamma-facade.hh b/libgamma-facade.hh index 3ac3321..331cad9 100644 --- a/libgamma-facade.hh +++ b/libgamma-facade.hh @@ -2,7 +2,6 @@ #ifndef LIBGAMMA_FACADE_HH #define LIBGAMMA_FACADE_HH - #include <string> #include <vector> @@ -10,242 +9,236 @@ #include "libgamma-method.hh" -#ifndef __GNUC__ -# define __attribute__(X) /* emtpy */ +#if defined(__GNUC__) +# define LIBGAMMAMM_CONST__ __attribute__((__const__)) +#else +# define LIBGAMMAMM_CONST__ #endif - namespace libgamma { /** - * List available adjustment methods by their order of preference based on the environment. + * List available adjustment methods by their order of preference based on the environment * * @param operation Allowed values: - * 0: Methods that the environment suggests will work, excluding fake. - * 1: Methods that the environment suggests will work, including fake. - * 2: All real non-fake methods. - * 3: All real methods. - * 4: All methods. - * Other values invoke undefined behaviour. - * @return Array of methods. + * 0: Methods that the environment suggests will work, excluding fake + * 1: Methods that the environment suggests will work, including fake + * 2: All real non-fake methods + * 3: All real methods + * 4: All methods + * Other values invoke undefined behaviour + * @return Array of methods */ std::vector<int> list_methods(int operation); - + /** * Check whether an adjustment method is available, non-existing (invalid) methods will be - * identified as not available under the rationale that the library may be out of date. + * identified as not available under the rationale that the library may be out of date * - * @param method The adjustment method. - * @return Whether the adjustment method is available. + * @param method The adjustment method + * @return Whether the adjustment method is available */ - int is_method_available(int method) __attribute__((const)); - + LIBGAMMAMM_CONST__ int is_method_available(int method); + /** - * Return the capabilities of an adjustment method. + * Return the capabilities of an adjustment method * - * @param output The data structure to fill with the method's capabilities, - * @param method The adjustment method (display server and protocol). + * @param output The data structure to fill with the method's capabilities + * @param method The adjustment method (display server and protocol) */ - void method_capabilities(MethodCapabilities* output, int method); - + void method_capabilities(MethodCapabilities *output, int method); + /** - * Return the default site for an adjustment method. + * Return the default site for an adjustment method * - * @param method The adjustment method (display server and protocol.) + * @param method The adjustment method (display server and protocol) * @return The default site, `nullptr` if it cannot be determined or if - * multiple sites are not supported by the adjustment method. + * multiple sites are not supported by the adjustment method */ - std::string* method_default_site(int method); - + std::string *method_default_site(int method); + /** * Return the default variable that determines - * the default site for an adjustment method. + * the default site for an adjustment method * - * @param method The adjustment method (display server and protocol.) + * @param method The adjustment method (display server and protocol) * @return The environ variables that is used to determine the * default site. `nullptr` if there is none, that is, if - * the method does not support multiple sites. + * the method does not support multiple sites */ - std::string* method_default_site_variable(int method); - - + std::string *method_default_site_variable(int method); + + /** - * Convert a raw representation of an EDID to a lowercase hexadecimal representation. + * Convert a raw representation of an EDID to a lowercase hexadecimal representation * - * @param edid The EDID in raw representation. - * @param length The length of `edid`. - * @return The EDID in lowercase hexadecimal representation. + * @param edid The EDID in raw representation + * @param length The length of `edid` + * @return The EDID in lowercase hexadecimal representation */ - std::string behex_edid(const unsigned char* edid, size_t length); - + std::string behex_edid(const unsigned char *edid, size_t length); + /** - * Convert a raw representation of an EDID to a lowercase hexadecimal representation. + * Convert a raw representation of an EDID to a lowercase hexadecimal representation * - * @param edid The EDID in raw representation. - * @param length The length of `edid`. - * @return The EDID in lowercase hexadecimal representation. + * @param edid The EDID in raw representation + * @param length The length of `edid` + * @return The EDID in lowercase hexadecimal representation */ - std::string behex_edid_lowercase(const unsigned char* edid, size_t length); - + std::string behex_edid_lowercase(const unsigned char *edid, size_t length); + /** - * Convert a raw representation of an EDID to an uppercase hexadecimal representation. + * Convert a raw representation of an EDID to an uppercase hexadecimal representation * - * @param edid The EDID in raw representation. - * @param length The length of `edid`. - * @return The EDID in uppercase hexadecimal representation. + * @param edid The EDID in raw representation + * @param length The length of `edid` + * @return The EDID in uppercase hexadecimal representation */ - std::string behex_edid_uppercase(const unsigned char* edid, size_t length); - + std::string behex_edid_uppercase(const unsigned char *edid, size_t length); + /** - * Convert an hexadecimal representation of an EDID to a raw representation. + * Convert an hexadecimal representation of an EDID to a raw representation * - * @param edid The EDID in hexadecimal representation. + * @param edid The EDID in hexadecimal representation * @return The EDID in raw representation, it will be half the length - * of `edid` (the input value). + * of `edid` (the input value) */ - unsigned char* unhex_edid(const std::string edid); - - + unsigned char *unhex_edid(const std::string edid); + + /** * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel */ - void gamma_ramps8_initialise(GammaRamps<uint8_t>* ramps, size_t red, size_t blue, size_t green); - + void gamma_ramps8_initialise(GammaRamps<uint8_t> *ramps, size_t red, size_t blue, size_t green); + /** * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel */ - void gamma_ramps16_initialise(GammaRamps<uint16_t>* ramps, size_t red, size_t blue, size_t green); - + void gamma_ramps16_initialise(GammaRamps<uint16_t> *ramps, size_t red, size_t blue, size_t green); + /** * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel */ - void gamma_ramps32_initialise(GammaRamps<uint32_t>* ramps, size_t red, size_t blue, size_t green); - + void gamma_ramps32_initialise(GammaRamps<uint32_t> *ramps, size_t red, size_t blue, size_t green); + /** * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel */ - void gamma_ramps64_initialise(GammaRamps<uint64_t>* ramps, size_t red, size_t blue, size_t green); - + void gamma_ramps64_initialise(GammaRamps<uint64_t> *ramps, size_t red, size_t blue, size_t green); + /** * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel */ - void gamma_rampsf_initialise(GammaRamps<float>* ramps, size_t red, size_t blue, size_t green); - + void gamma_rampsf_initialise(GammaRamps<float> *ramps, size_t red, size_t blue, size_t green); + /** * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param ramps The gamma ramp to initialise. - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. + * @param ramps The gamma ramp to initialise + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel */ - void gamma_rampsd_initialise(GammaRamps<double>* ramps, size_t red, size_t blue, size_t green); - - + void gamma_rampsd_initialise(GammaRamps<double> *ramps, size_t red, size_t blue, size_t green); + + /** * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + * @return The gamma ramp */ - GammaRamps<uint8_t>* gamma_ramps8_create(size_t red, size_t blue, size_t green); - + GammaRamps<uint8_t> *gamma_ramps8_create(size_t red, size_t blue, size_t green); + /** * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + * @return The gamma ramp */ - GammaRamps<uint16_t>* gamma_ramps16_create(size_t red, size_t blue, size_t green); - + GammaRamps<uint16_t> *gamma_ramps16_create(size_t red, size_t blue, size_t green); + /** * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + * @return The gamma ramp */ - GammaRamps<uint32_t>* gamma_ramps32_create(size_t red, size_t blue, size_t green); - + GammaRamps<uint32_t> *gamma_ramps32_create(size_t red, size_t blue, size_t green); + /** * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + * @return The gamma ramp */ - GammaRamps<uint64_t>* gamma_ramps64_create(size_t red, size_t blue, size_t green); - + GammaRamps<uint64_t> *gamma_ramps64_create(size_t red, size_t blue, size_t green); + /** * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + * @return The gamma ramp */ - GammaRamps<float>* gamma_rampsf_create(size_t red, size_t blue, size_t green); - + GammaRamps<float> *gamma_rampsf_create(size_t red, size_t blue, size_t green); + /** * Create a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. + * methods to read from and write to it without causing segmentation violation * - * @param red The size of the gamma ramp for the red channel. - * @param green The size of the gamma ramp for the green channel. - * @param blue The size of the gamma ramp for the blue channel. - * @return The gamma ramp. + * @param red The size of the gamma ramp for the red channel + * @param green The size of the gamma ramp for the green channel + * @param blue The size of the gamma ramp for the blue channel + * @return The gamma ramp */ - GammaRamps<double>* gamma_rampsd_create(size_t red, size_t blue, size_t green); - + GammaRamps<double> *gamma_rampsd_create(size_t red, size_t blue, size_t green); } - -#ifndef __GNUC__ -# undef __attribute__ #endif - -#endif - diff --git a/libgamma-method.cc b/libgamma-method.cc index 79230f2..2dfee76 100644 --- a/libgamma-method.cc +++ b/libgamma-method.cc @@ -1,535 +1,512 @@ /* See LICENSE file for copyright and license details. */ #include "libgamma-method.hh" - #include "libgamma-error.hh" - +#include <cerrno> #include <cstdlib> #include <cstring> -#include <cerrno> namespace libgamma { - /** - * Constructor. - */ - MethodCapabilities::MethodCapabilities() : - crtc_information(0), - default_site_known(false), - multiple_sites(false), - multiple_partitions(false), - multiple_crtcs(false), - partitions_are_graphics_cards(false), - site_restore(false), - partition_restore(false), - crtc_restore(false), - identical_gamma_sizes(false), - fixed_gamma_size(false), - fixed_gamma_depth(false), - real(false), - fake(false) - { - /* Do nothing. */ - } - - - /** - * Constructor. - * - * @param caps The information in the native structure. - */ - MethodCapabilities::MethodCapabilities(libgamma_method_capabilities_t* caps) : - crtc_information(caps->crtc_information), - default_site_known(caps->default_site_known), - multiple_sites(caps->multiple_sites), - multiple_partitions(caps->multiple_partitions), - multiple_crtcs(caps->multiple_crtcs), - partitions_are_graphics_cards(caps->partitions_are_graphics_cards), - site_restore(caps->site_restore), - partition_restore(caps->partition_restore), - crtc_restore(caps->crtc_restore), - identical_gamma_sizes(caps->identical_gamma_sizes), - fixed_gamma_size(caps->fixed_gamma_size), - fixed_gamma_depth(caps->fixed_gamma_depth), - real(caps->real), - fake(caps->fake) - { - /* Do nothing. */ - } - - - /** - * Copy constructor. - * - * @param other The information to copy. - */ - MethodCapabilities::MethodCapabilities(const MethodCapabilities& other) : - crtc_information(other.crtc_information), - default_site_known(other.default_site_known), - multiple_sites(other.multiple_sites), - multiple_partitions(other.multiple_partitions), - multiple_crtcs(other.multiple_crtcs), - partitions_are_graphics_cards(other.partitions_are_graphics_cards), - site_restore(other.site_restore), - partition_restore(other.partition_restore), - crtc_restore(other.crtc_restore), - identical_gamma_sizes(other.identical_gamma_sizes), - fixed_gamma_size(other.fixed_gamma_size), - fixed_gamma_depth(other.fixed_gamma_depth), - real(other.real), - fake(other.fake) - { - /* Do nothing. */ - } - - - /** - * Destructor. - */ - MethodCapabilities::~MethodCapabilities() - { - /* Do nothing. */ - } - - - /** - * Copy operator. - * - * @param other The information to copy. - */ - MethodCapabilities& MethodCapabilities::operator =(const MethodCapabilities& other) - { - this->crtc_information = other.crtc_information; - this->default_site_known = other.default_site_known; - this->multiple_sites = other.multiple_sites; - this->multiple_partitions = other.multiple_partitions; - this->multiple_crtcs = other.multiple_crtcs; - this->partitions_are_graphics_cards = other.partitions_are_graphics_cards; - this->site_restore = other.site_restore; - this->partition_restore = other.partition_restore; - this->crtc_restore = other.crtc_restore; - this->identical_gamma_sizes = other.identical_gamma_sizes; - this->fixed_gamma_size = other.fixed_gamma_size; - this->fixed_gamma_depth = other.fixed_gamma_depth; - this->real = other.real; - this->fake = other.fake; - - return *this; - } - - - - - - /** - * Constructor. - */ - CRTCInformation::CRTCInformation() : - edid(nullptr), - edid_length(0), - edid_error(0), - width_mm(0), - width_mm_error(0), - height_mm(0), - height_mm_error(0), - width_mm_edid(0), - width_mm_edid_error(0), - height_mm_edid(0), - height_mm_edid_error(0), - red_gamma_size(0), - green_gamma_size(0), - blue_gamma_size(0), - gamma_size_error(0), - gamma_depth(0), - gamma_depth_error(0), - gamma_support(0), - gamma_support_error(0), - subpixel_order((SubpixelOrder)0), - subpixel_order_error(0), - active(0), - active_error(0), - connector_name(nullptr), - connector_name_error(0), - connector_type((ConnectorType)0), - connector_type_error(0), - gamma_red(0), - gamma_green(0), - gamma_blue(0), - gamma_error(0) - { - /* Do nothing. */ - } - - - /** - * Constructor. - * - * @param info The information in the native structure. - */ - CRTCInformation::CRTCInformation(libgamma_crtc_information_t* info) : - edid(info->edid), - edid_length(info->edid_length), - edid_error(info->edid_error), - width_mm(info->width_mm), - width_mm_error(info->width_mm_error), - height_mm(info->height_mm), - height_mm_error(info->height_mm_error), - width_mm_edid(info->width_mm_edid), - width_mm_edid_error(info->width_mm_edid_error), - height_mm_edid(info->height_mm_edid), - height_mm_edid_error(info->height_mm_edid_error), - red_gamma_size(info->red_gamma_size), - green_gamma_size(info->green_gamma_size), - blue_gamma_size(info->blue_gamma_size), - gamma_size_error(info->gamma_size_error), - gamma_depth(info->gamma_depth), - gamma_depth_error(info->gamma_depth_error), - gamma_support(info->gamma_support), - gamma_support_error(info->gamma_support_error), - subpixel_order(info->subpixel_order), - subpixel_order_error(info->subpixel_order_error), - active(info->active), - active_error(info->active_error), - connector_name(nullptr), - connector_name_error(info->connector_name_error), - connector_type(info->connector_type), - connector_type_error(info->connector_type_error), - gamma_red(info->gamma_red), - gamma_green(info->gamma_green), - gamma_blue(info->gamma_blue), - gamma_error(info->gamma_error) - { - if (info->connector_name != nullptr) - { - this->connector_name = new std::string(info->connector_name); - free(info->connector_name); - } - } - - - /** - * Copy constructor. - * - * @param other The information to copy. - */ - CRTCInformation::CRTCInformation(const CRTCInformation& other) : - edid(nullptr), - edid_length(other.edid_length), - edid_error(other.edid_error), - width_mm(other.width_mm), - width_mm_error(other.width_mm_error), - height_mm(other.height_mm), - height_mm_error(other.height_mm_error), - width_mm_edid(other.width_mm_edid), - width_mm_edid_error(other.width_mm_edid_error), - height_mm_edid(other.height_mm_edid), - height_mm_edid_error(other.height_mm_edid_error), - red_gamma_size(other.red_gamma_size), - green_gamma_size(other.green_gamma_size), - blue_gamma_size(other.blue_gamma_size), - gamma_size_error(other.gamma_size_error), - gamma_depth(other.gamma_depth), - gamma_depth_error(other.gamma_depth_error), - gamma_support(other.gamma_support), - gamma_support_error(other.gamma_support_error), - subpixel_order(other.subpixel_order), - subpixel_order_error(other.subpixel_order_error), - active(other.active), - active_error(other.active_error), - connector_name(nullptr), - connector_name_error(other.connector_name_error), - connector_type(other.connector_type), - connector_type_error(other.connector_type_error), - gamma_red(other.gamma_red), - gamma_green(other.gamma_green), - gamma_blue(other.gamma_blue), - gamma_error(other.gamma_error) - { - if (other.edid != nullptr) - { - this->edid = (unsigned char*)malloc(this->edid_length * sizeof(unsigned char)); - memcpy(this->edid, other.edid, this->edid_length * sizeof(unsigned char)); - } - if (other.connector_name != nullptr) - this->connector_name = new std::string(*(other.connector_name)); - } - - - /** - * Destructor. - */ - CRTCInformation::~CRTCInformation() - { - if (this->connector_name != nullptr) - delete this->connector_name; - free(this->edid); - } - - - /** - * Copy operator. - * - * @param other The information to copy. - */ - CRTCInformation& CRTCInformation::operator =(const CRTCInformation& other) - { - this->edid = nullptr; - this->edid_length = other.edid_length; - this->edid_error = other.edid_error; - this->width_mm = other.width_mm; - this->width_mm_error = other.width_mm_error; - this->height_mm = other.height_mm; - this->height_mm_error = other.height_mm_error; - this->width_mm_edid = other.width_mm_edid; - this->width_mm_edid_error = other.width_mm_edid_error; - this->height_mm_edid = other.height_mm_edid; - this->height_mm_edid_error = other.height_mm_edid_error; - this->red_gamma_size = other.red_gamma_size; - this->green_gamma_size = other.green_gamma_size; - this->blue_gamma_size = other.blue_gamma_size; - this->gamma_size_error = other.gamma_size_error; - this->gamma_depth = other.gamma_depth; - this->gamma_depth_error = other.gamma_depth_error; - this->gamma_support = other.gamma_support; - this->gamma_support_error = other.gamma_support_error; - this->subpixel_order = other.subpixel_order; - this->subpixel_order_error = other.subpixel_order_error; - this->active = other.active; - this->active_error = other.active_error; - this->connector_name = nullptr; - this->connector_name_error = other.connector_name_error; - this->connector_type = other.connector_type; - this->connector_type_error = other.connector_type_error; - this->gamma_red = other.gamma_red; - this->gamma_green = other.gamma_green; - this->gamma_blue = other.gamma_blue; - this->gamma_error = other.gamma_error; - - if (other.edid != nullptr) - { - this->edid = (unsigned char*)malloc(this->edid_length * sizeof(unsigned char)); - memcpy(this->edid, other.edid, this->edid_length * sizeof(unsigned char)); - } - if (other.connector_name != nullptr) - this->connector_name = new std::string(*(other.connector_name)); - - return *this; - } - + /** + * Constructor + */ + MethodCapabilities::MethodCapabilities() : + crtc_information(0), + default_site_known(false), + multiple_sites(false), + multiple_partitions(false), + multiple_crtcs(false), + partitions_are_graphics_cards(false), + site_restore(false), + partition_restore(false), + crtc_restore(false), + identical_gamma_sizes(false), + fixed_gamma_size(false), + fixed_gamma_depth(false), + real(false), + fake(false) + { + /* do nothing */ + } + + /** + * Constructor + * + * @param caps The information in the native structure + */ + MethodCapabilities::MethodCapabilities(libgamma_method_capabilities_t *caps) : + crtc_information(caps->crtc_information), + default_site_known(caps->default_site_known), + multiple_sites(caps->multiple_sites), + multiple_partitions(caps->multiple_partitions), + multiple_crtcs(caps->multiple_crtcs), + partitions_are_graphics_cards(caps->partitions_are_graphics_cards), + site_restore(caps->site_restore), + partition_restore(caps->partition_restore), + crtc_restore(caps->crtc_restore), + identical_gamma_sizes(caps->identical_gamma_sizes), + fixed_gamma_size(caps->fixed_gamma_size), + fixed_gamma_depth(caps->fixed_gamma_depth), + real(caps->real), + fake(caps->fake) + { + /* do nothing */ + } + + /** + * Copy constructor + * + * @param other The information to copy. + */ + MethodCapabilities::MethodCapabilities(const MethodCapabilities &other) : + crtc_information(other.crtc_information), + default_site_known(other.default_site_known), + multiple_sites(other.multiple_sites), + multiple_partitions(other.multiple_partitions), + multiple_crtcs(other.multiple_crtcs), + partitions_are_graphics_cards(other.partitions_are_graphics_cards), + site_restore(other.site_restore), + partition_restore(other.partition_restore), + crtc_restore(other.crtc_restore), + identical_gamma_sizes(other.identical_gamma_sizes), + fixed_gamma_size(other.fixed_gamma_size), + fixed_gamma_depth(other.fixed_gamma_depth), + real(other.real), + fake(other.fake) + { + /* do nothing */ + } + + /** + * Destructor + */ + MethodCapabilities::~MethodCapabilities() + { + /* do nothing */ + } + + /** + * Copy operator + * + * @param other The information to copy + */ + MethodCapabilities & + MethodCapabilities::operator =(const MethodCapabilities &other) + { + this->crtc_information = other.crtc_information; + this->default_site_known = other.default_site_known; + this->multiple_sites = other.multiple_sites; + this->multiple_partitions = other.multiple_partitions; + this->multiple_crtcs = other.multiple_crtcs; + this->partitions_are_graphics_cards = other.partitions_are_graphics_cards; + this->site_restore = other.site_restore; + this->partition_restore = other.partition_restore; + this->crtc_restore = other.crtc_restore; + this->identical_gamma_sizes = other.identical_gamma_sizes; + this->fixed_gamma_size = other.fixed_gamma_size; + this->fixed_gamma_depth = other.fixed_gamma_depth; + this->real = other.real; + this->fake = other.fake; + + return *this; + } + + + + /** + * Constructor + */ + CRTCInformation::CRTCInformation() : + edid(nullptr), + edid_length(0), + edid_error(0), + width_mm(0), + width_mm_error(0), + height_mm(0), + height_mm_error(0), + width_mm_edid(0), + width_mm_edid_error(0), + height_mm_edid(0), + height_mm_edid_error(0), + red_gamma_size(0), + green_gamma_size(0), + blue_gamma_size(0), + gamma_size_error(0), + gamma_depth(0), + gamma_depth_error(0), + gamma_support(0), + gamma_support_error(0), + subpixel_order((SubpixelOrder)0), + subpixel_order_error(0), + active(0), + active_error(0), + connector_name(nullptr), + connector_name_error(0), + connector_type((ConnectorType)0), + connector_type_error(0), + gamma_red(0), + gamma_green(0), + gamma_blue(0), + gamma_error(0) + { + /* do nothing */ + } + + /** + * Constructor + * + * @param info The information in the native structure + */ + CRTCInformation::CRTCInformation(libgamma_crtc_information_t *info) : + edid(info->edid), + edid_length(info->edid_length), + edid_error(info->edid_error), + width_mm(info->width_mm), + width_mm_error(info->width_mm_error), + height_mm(info->height_mm), + height_mm_error(info->height_mm_error), + width_mm_edid(info->width_mm_edid), + width_mm_edid_error(info->width_mm_edid_error), + height_mm_edid(info->height_mm_edid), + height_mm_edid_error(info->height_mm_edid_error), + red_gamma_size(info->red_gamma_size), + green_gamma_size(info->green_gamma_size), + blue_gamma_size(info->blue_gamma_size), + gamma_size_error(info->gamma_size_error), + gamma_depth(info->gamma_depth), + gamma_depth_error(info->gamma_depth_error), + gamma_support(info->gamma_support), + gamma_support_error(info->gamma_support_error), + subpixel_order(info->subpixel_order), + subpixel_order_error(info->subpixel_order_error), + active(info->active), + active_error(info->active_error), + connector_name(nullptr), + connector_name_error(info->connector_name_error), + connector_type(info->connector_type), + connector_type_error(info->connector_type_error), + gamma_red(info->gamma_red), + gamma_green(info->gamma_green), + gamma_blue(info->gamma_blue), + gamma_error(info->gamma_error) + { + if (info->connector_name != nullptr) { + this->connector_name = new std::string(info->connector_name); + free(info->connector_name); + } + } + + /** + * Copy constructor + * + * @param other The information to copy + */ + CRTCInformation::CRTCInformation(const CRTCInformation &other) : + edid(nullptr), + edid_length(other.edid_length), + edid_error(other.edid_error), + width_mm(other.width_mm), + width_mm_error(other.width_mm_error), + height_mm(other.height_mm), + height_mm_error(other.height_mm_error), + width_mm_edid(other.width_mm_edid), + width_mm_edid_error(other.width_mm_edid_error), + height_mm_edid(other.height_mm_edid), + height_mm_edid_error(other.height_mm_edid_error), + red_gamma_size(other.red_gamma_size), + green_gamma_size(other.green_gamma_size), + blue_gamma_size(other.blue_gamma_size), + gamma_size_error(other.gamma_size_error), + gamma_depth(other.gamma_depth), + gamma_depth_error(other.gamma_depth_error), + gamma_support(other.gamma_support), + gamma_support_error(other.gamma_support_error), + subpixel_order(other.subpixel_order), + subpixel_order_error(other.subpixel_order_error), + active(other.active), + active_error(other.active_error), + connector_name(nullptr), + connector_name_error(other.connector_name_error), + connector_type(other.connector_type), + connector_type_error(other.connector_type_error), + gamma_red(other.gamma_red), + gamma_green(other.gamma_green), + gamma_blue(other.gamma_blue), + gamma_error(other.gamma_error) + { + if (other.edid != nullptr) { + this->edid = (unsigned char *)malloc(this->edid_length * sizeof(unsigned char)); + memcpy(this->edid, other.edid, this->edid_length * sizeof(unsigned char)); + } + if (other.connector_name != nullptr) + this->connector_name = new std::string(*(other.connector_name)); + } + + /** + * Destructor + */ + CRTCInformation::~CRTCInformation() + { + if (this->connector_name != nullptr) + delete this->connector_name; + free(this->edid); + } + + /** + * Copy operator + * + * @param other The information to copy + */ + CRTCInformation & + CRTCInformation::operator =(const CRTCInformation &other) + { + this->edid = nullptr; + this->edid_length = other.edid_length; + this->edid_error = other.edid_error; + this->width_mm = other.width_mm; + this->width_mm_error = other.width_mm_error; + this->height_mm = other.height_mm; + this->height_mm_error = other.height_mm_error; + this->width_mm_edid = other.width_mm_edid; + this->width_mm_edid_error = other.width_mm_edid_error; + this->height_mm_edid = other.height_mm_edid; + this->height_mm_edid_error = other.height_mm_edid_error; + this->red_gamma_size = other.red_gamma_size; + this->green_gamma_size = other.green_gamma_size; + this->blue_gamma_size = other.blue_gamma_size; + this->gamma_size_error = other.gamma_size_error; + this->gamma_depth = other.gamma_depth; + this->gamma_depth_error = other.gamma_depth_error; + this->gamma_support = other.gamma_support; + this->gamma_support_error = other.gamma_support_error; + this->subpixel_order = other.subpixel_order; + this->subpixel_order_error = other.subpixel_order_error; + this->active = other.active; + this->active_error = other.active_error; + this->connector_name = nullptr; + this->connector_name_error = other.connector_name_error; + this->connector_type = other.connector_type; + this->connector_type_error = other.connector_type_error; + this->gamma_red = other.gamma_red; + this->gamma_green = other.gamma_green; + this->gamma_blue = other.gamma_blue; + this->gamma_error = other.gamma_error; + + if (other.edid != nullptr) { + this->edid = (unsigned char *)malloc(this->edid_length * sizeof(unsigned char)); + memcpy(this->edid, other.edid, this->edid_length * sizeof(unsigned char)); + } + if (other.connector_name != nullptr) + this->connector_name = new std::string(*(other.connector_name)); + + return *this; + } + #ifdef __GNUC__ # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wshadow" #endif - - /** - * Constructor. - */ - Site::Site() : - method(0), - site(nullptr), - partitions_available(0), - native(nullptr) - { - /* Do nothing. */ - } - - /** - * Constructor. - * - * @param method The adjustment method of the site. - * @param site The site identifier, will be moved into - * the structure, must be `delete`:able. - */ - Site::Site(int method, std::string* site) : - method(method), - site(site), - partitions_available(0), - native(nullptr) - { - char* cstr = nullptr; - int r; - - if (site != nullptr) - { - const char* cstr_ = site->c_str(); - cstr = (char*)malloc((strlen(cstr_) + 1) * sizeof(char)); - memcpy(cstr, cstr_, (strlen(cstr_) + 1) * sizeof(char)); - } - this->native = (libgamma_site_state_t*)malloc(sizeof(libgamma_site_state_t)); - r = libgamma_site_initialise(this->native, method, cstr); - if (r < 0) - { - int saved_errno = errno; - free(this->native); - this->native = nullptr; - errno = saved_errno; - throw create_error(r); - } - this->partitions_available = this->native->partitions_available; - } - - /** - * Destructor. - */ - Site::~Site() - { - if (this->site != nullptr) - delete this->site; - if (this->native != nullptr) - libgamma_site_free(this->native); - } - - /** - * Restore the gamma ramps all CRTC:s with a site to - * the system settings. - */ - void Site::restore() - { - int r; - r = libgamma_site_restore(this->native); - if (r != 0) - throw create_error(r); - } - - - - /** - * Constructor. - */ - Partition::Partition() : - site(nullptr), - partition(0), - crtcs_available(0), - native(nullptr) - { - /* Do nothing. */ - } - - /** - * Constructor. - * - * @param site The site of the partition. - * @param partition The index of the partition. - */ - Partition::Partition(Site* site, size_t partition) : - site(site), - partition(partition), - crtcs_available(0), - native(nullptr) - { - int r; - this->native = (libgamma_partition_state_t*)malloc(sizeof(libgamma_partition_state_t)); - r = libgamma_partition_initialise(this->native, site->native, partition); - if (r < 0) - { - int saved_errno = errno; - free(this->native); - this->native = nullptr; - errno = saved_errno; - throw create_error(r); - } - this->crtcs_available = this->native->crtcs_available; - } - - /** - * Destructor. - */ - Partition::~Partition() - { - if (this->native != nullptr) - libgamma_partition_free(this->native); - } - - /** - * Restore the gamma ramps all CRTC:s with a partition - * to the system settings. - */ - void Partition::restore() - { - int r; - r = libgamma_partition_restore(this->native); - if (r != 0) - throw create_error(r); - } - - - - /** - * Constructor. - */ - CRTC::CRTC() : - partition(nullptr), - crtc(0), - native(nullptr) - { - /* Do nothing. */ - } - - /** - * Constructor. - * - * @param partition The partition of the CRTC. - * @param crtc The index of the CRTC. - */ - CRTC::CRTC(Partition* partition, size_t crtc) : - partition(partition), - crtc(crtc), - native(nullptr) - { - int r; - this->native = (libgamma_crtc_state_t*)malloc(sizeof(libgamma_crtc_state_t)); - r = libgamma_crtc_initialise(this->native, partition->native, crtc); - if (r < 0) - { - int saved_errno = errno; - free(this->native); - this->native = nullptr; - errno = saved_errno; - throw create_error(r); - } - } - - /** - * Destructor. - */ - CRTC::~CRTC() - { - if (this->native != nullptr) - libgamma_crtc_free(this->native); - } - - /** - * Restore the gamma ramps for a CRTC to the system - * settings for that CRTC. - */ - void CRTC::restore() - { - int r; - r = libgamma_crtc_restore(this->native); - if (r != 0) - throw create_error(r); - } - - /** - * Read information about a CRTC. - * - * @param output Instance of a data structure to fill with the information about the CRTC. - * @param fields OR:ed identifiers for the information about the CRTC that should be read. - * @return Whether an error has occurred and is stored in a `*_error` field. - */ - bool CRTC::information(CRTCInformation* output, int32_t fields) - { - libgamma_crtc_information_t info; - int r; - - r = libgamma_get_crtc_information(&info, this->native, fields); - *output = CRTCInformation(&info); - return r != 0; - } - + + /** + * Constructor + */ + Site::Site() : + method(0), + site(nullptr), + partitions_available(0), + native(nullptr) + { + /* do nothing */ + } + + /** + * Constructor + * + * @param method The adjustment method of the site + * @param site The site identifier, will be moved into + * the structure, must be `delete`:able + */ + Site::Site(int method, std::string *site) : + method(method), + site(site), + partitions_available(0), + native(nullptr) + { + char *cstr = nullptr; + int r; + + if (site != nullptr) { + const char *cstr_ = site->c_str(); + cstr = (char *)malloc((strlen(cstr_) + 1) * sizeof(char)); + memcpy(cstr, cstr_, (strlen(cstr_) + 1) * sizeof(char)); + } + this->native = (libgamma_site_state_t*)malloc(sizeof(libgamma_site_state_t)); + r = libgamma_site_initialise(this->native, method, cstr); + if (r < 0) { + int saved_errno = errno; + free(this->native); + this->native = nullptr; + errno = saved_errno; + throw create_error(r); + } + this->partitions_available = this->native->partitions_available; + } + + /** + * Destructor + */ + Site::~Site() + { + if (this->site != nullptr) + delete this->site; + if (this->native != nullptr) + libgamma_site_free(this->native); + } + + /** + * Restore the gamma ramps all CRTC:s with a site to + * the system settings + */ + void Site::restore() + { + int r = libgamma_site_restore(this->native); + if (r) + throw create_error(r); + } + + + /** + * Constructor + */ + Partition::Partition() : + site(nullptr), + partition(0), + crtcs_available(0), + native(nullptr) + { + /* do nothing */ + } + + /** + * Constructor + * + * @param site The site of the partition + * @param partition The index of the partition + */ + Partition::Partition(Site *site, size_t partition) : + site(site), + partition(partition), + crtcs_available(0), + native(nullptr) + { + int r; + this->native = (libgamma_partition_state_t*)malloc(sizeof(libgamma_partition_state_t)); + r = libgamma_partition_initialise(this->native, site->native, partition); + if (r < 0) { + int saved_errno = errno; + free(this->native); + this->native = nullptr; + errno = saved_errno; + throw create_error(r); + } + this->crtcs_available = this->native->crtcs_available; + } + + /** + * Destructor + */ + Partition::~Partition() + { + if (this->native != nullptr) + libgamma_partition_free(this->native); + } + + /** + * Restore the gamma ramps all CRTC:s with a partition + * to the system settings + */ + void + Partition::restore() + { + int r = libgamma_partition_restore(this->native); + if (r) + throw create_error(r); + } + + + /** + * Constructor + */ + CRTC::CRTC() : + partition(nullptr), + crtc(0), + native(nullptr) + { + /* do nothing */ + } + + /** + * Constructor + * + * @param partition The partition of the CRTC + * @param crtc The index of the CRTC + */ + CRTC::CRTC(Partition *partition, size_t crtc) : + partition(partition), + crtc(crtc), + native(nullptr) + { + int r; + this->native = (libgamma_crtc_state_t *)malloc(sizeof(libgamma_crtc_state_t)); + r = libgamma_crtc_initialise(this->native, partition->native, crtc); + if (r < 0) { + int saved_errno = errno; + free(this->native); + this->native = nullptr; + errno = saved_errno; + throw create_error(r); + } + } + + /** + * Destructor + */ + CRTC::~CRTC() + { + if (this->native != nullptr) + libgamma_crtc_free(this->native); + } + + /** + * Restore the gamma ramps for a CRTC to the system + * settings for that CRTC + */ + void + CRTC::restore() + { + int r = libgamma_crtc_restore(this->native); + if (r) + throw create_error(r); + } + + /** + * Read information about a CRTC + * + * @param output Instance of a data structure to fill with the information about the CRTC + * @param fields OR:ed identifiers for the information about the CRTC that should be read + * @return Whether an error has occurred and is stored in a `*_error` field + */ + bool + CRTC::information(CRTCInformation *output, int32_t fields) + { + libgamma_crtc_information_t info; + int r = libgamma_get_crtc_information(&info, this->native, fields); + *output = CRTCInformation(&info); + return r != 0; + } + #ifdef __GNUC__ # pragma GCC diagnostic pop #endif - } - diff --git a/libgamma-method.hh b/libgamma-method.hh index 43b4983..4f9339d 100644 --- a/libgamma-method.hh +++ b/libgamma-method.hh @@ -2,1005 +2,969 @@ #ifndef LIBGAMMA_METHOD_HH #define LIBGAMMA_METHOD_HH - -#include <string> #include <cstdlib> +#include <string> #include "libgamma-native.hh" #include "libgamma-error.hh" -#ifndef __GNUC__ -# define __attribute__(X) /* emtpy */ -#endif +namespace libgamma +{ + /** + * Cathode ray tube controller information data structure + */ + class CRTCInformation; + /** + * Capabilities of adjustment methods + */ + class MethodCapabilities; + + /** + * Site state + * + * On operating systems that integrate a graphical environment + * there is usually just one site. However, one systems with + * pluggable graphics, like Unix-like systems such as GNU/Linux + * and the BSD:s, there can usually be any (feasible) number of + * sites. In X.org parlance they are called displays. + */ + class Site; + + /** + * Partition state + * + * Probably the majority of display server only one partition + * per site. However, X.org can, and traditional used to have + * on multi-headed environments, multiple partitions per site. + * In X.org partitions are called 'screens'. It is not to be + * confused with monitor. A screen is a collection of monitors, + * and the mapping from monitors to screens is a surjection. + * On hardware-level adjustment methods, such as Direct + * Rendering Manager, a partition is a graphics card. + */ + class Partition; + + /** + * Cathode ray tube controller state + * + * The CRTC controls the gamma ramps for the + * monitor that is plugged in to the connector + * that the CRTC belongs to + */ + class CRTC; + + + /** + * Capabilities of adjustment methods + */ + class MethodCapabilities + { + public: + /** + * Constructor + */ + MethodCapabilities(); + + /** + * Constructor + * + * @param caps The information in the native structure + */ + MethodCapabilities(libgamma_method_capabilities_t *caps); + + /** + * Copy constructor + * + * @param other The information to copy + */ + MethodCapabilities(const MethodCapabilities &other); + + /** + * Destructor + */ + ~MethodCapabilities(); + + /** + * Copy operator + * + * @param other The information to copy + */ + MethodCapabilities &operator =(const MethodCapabilities &other); + + + /** + * OR of the CRTC information fields in `libgamma_crtc_information_t` + * that may (but can fail) be read successfully + */ + int32_t crtc_information; + + /** + * Whether the default site is known, if true the site is integrated + * to the system or can be determined using environment variables + */ + bool default_site_known; + + /** + * Whether the adjustment method supports multiple sites rather + * than just the default site + */ + bool multiple_sites; + + /** + * Whether the adjustment method supports multiple partitions + * per site + */ + bool multiple_partitions; + + /** + * Whether the adjustment method supports multiple CRTC:s + * per partition per site + */ + bool multiple_crtcs; + + /** + * Whether the partition to graphics card is a bijection. + */ + bool partitions_are_graphics_cards; + + /** + * Whether the adjustment method supports `libgamma_site_restore` + */ + bool site_restore; + + /** + * Whether the adjustment method supports `libgamma_partition_restore` + */ + bool partition_restore; + + /** + * Whether the adjustment method supports `libgamma_crtc_restore` + */ + bool crtc_restore; + + /** + * Whether the `red_gamma_size`, `green_gamma_size` and `blue_gamma_size` + * fields in `libgamma_crtc_information_t` will always have the same + * values as each other for the adjustment method + */ + bool identical_gamma_sizes; + + /** + * Whether the `red_gamma_size`, `green_gamma_size` and `blue_gamma_size` + * fields in `libgamma_crtc_information_t` will always be filled with the + * same value for the adjustment method + */ + bool fixed_gamma_size; + + /** + * Whether the `gamma_depth` field in `libgamma_crtc_information_t` + * will always be filled with the same value for the adjustment method + */ + bool fixed_gamma_depth; + + /** + * Whether the adjustment method will actually perform adjustments + */ + bool real; + + /** + * Whether the adjustment method is implement using a translation layer + */ + bool fake; + }; + + + /** + * Types for connectors + */ + typedef libgamma_connector_type_t ConnectorType; + + /** + * Orders for subpixels; currently the possible values are + * very biased to LCD, Plasma and monochrome monitors + */ + typedef libgamma_subpixel_order_t SubpixelOrder; + + + /** + * Cathode ray tube controller information data structure + */ + class CRTCInformation + { + public: + /** + * Constructor + */ + CRTCInformation(); + + /** + * Constructor + * + * @param info The information in the native structure + */ + CRTCInformation(libgamma_crtc_information_t *info); + + /** + * Copy constructor + * + * @param other The information to copy + */ + CRTCInformation(const CRTCInformation &other); + + /** + * Destructor + */ + ~CRTCInformation(); + + /** + * Copy operator + * + * @param other The information to copy + */ + CRTCInformation &operator =(const CRTCInformation &other); + + + /** + * The Extended Display Identification Data associated with + * the attached monitor. This is raw byte array that is usually + * 128 bytes long. It is not NUL-terminate, rather its length + * is stored in `edid_length`. + */ + unsigned char *edid; + + /** + * The length of `edid` + */ + size_t edid_length; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int edid_error; + + /** + * The phyical width, in millimetres, of the viewport of the + * attached monitor, as reported by the adjustment method. This + * value may be incorrect, which is a known issue with the X + * server where it is the result of the X server attempting + * the estimate the size on its own. + * Zero means that its is not applicable, which is the case + * for projectors. + */ + size_t width_mm; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int width_mm_error; + + /** + * The phyical height, in millimetres, of the viewport of the + * attached monitor, as reported by the adjustment method. This + * value may be incorrect, which is a known issue with the X + * server where it is the result of the X server attempting + * the estimate the size on its own. + * Zero means that its is not applicable, which is the case + * for projectors. + */ + size_t height_mm; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int height_mm_error; + + /** + * The phyical width, in millimetres, of the viewport of the + * attached monitor, as reported by it the monitor's Extended + * Display Information Data. This value can only contain whole + * centimetres, which means that the result is always zero + * modulus ten. However, this could change with revisions of + * the EDID structure. + * Zero means that its is not applicable, which is the case + * for projectors. + */ + size_t width_mm_edid; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int width_mm_edid_error; + + /** + * The phyical height, in millimetres, of the viewport of the + * attached monitor, as reported by it the monitor's Extended + * Display Information Data. This value can only contain whole + * centimetres, which means that the result is always zero + * modulus ten. However, this could change with revisions of + * the EDID structure. + * Zero means that its is not applicable, which is the case + * for projectors. + */ + size_t height_mm_edid; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int height_mm_edid_error; + + /** + * The size of the encoding axis of the red gamma ramp + */ + size_t red_gamma_size; + + /** + * The size of the encoding axis of the green gamma ramp + */ + size_t green_gamma_size; + + /** + * The size of the encoding axis of the blue gamma ramp + */ + size_t blue_gamma_size; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int gamma_size_error; + + /** + * The bit-depth of the value axes of gamma ramps, + * -1 for single precision floating point, and -2 for + * double precision floating point + */ + signed gamma_depth; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int gamma_depth_error; + + /** + * Non-zero gamma ramp adjustments are supported + */ + int gamma_support; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int gamma_support_error; + + /** + * The layout of the subpixels. + * You cannot count on this value — especially for CRT:s — + * but it is provided anyway as a means of distinguishing monitors. + */ + SubpixelOrder subpixel_order; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int subpixel_order_error; + + /** + * Whether there is a monitors connected to the CRTC + */ + int active; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int active_error; + + /** + * The name of the connector as designated by the display + * server or as give by this library in case the display + * server lacks this feature + */ + std::string *connector_name; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int connector_name_error; + + /** + * The type of the connector that is associated with the CRTC + */ + ConnectorType connector_type; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library + */ + int connector_type_error; + + /** + * The gamma characteristics of the monitor as reported + * in its Extended Display Information Data. The value + * holds the value for the red channel. If you do not have + * and more accurate measurement of the gamma for the + * monitor this could be used to give a rought gamma + * correction; simply divide the value with 2.2 and use + * the result for the red channel in the gamma correction. + */ + float gamma_red; + + /** + * The gamma characteristics of the monitor as reported + * in its Extended Display Information Data. The value + * holds the value for the green channel. If you do not have + * and more accurate measurement of the gamma for the + * monitor this could be used to give a rought gamma + * correction; simply divide the value with 2.2 and use + * the result for the green channel in the gamma correction. + */ + float gamma_green; + + /** + * The gamma characteristics of the monitor as reported + * in its Extended Display Information Data. The value + * holds the value for the blue channel. If you do not have + * and more accurate measurement of the gamma for the + * monitor this could be used to give a rought gamma + * correction; simply divide the value with 2.2 and use + * the result for the blue channel in the gamma correction. + */ + float gamma_blue; + + /** + * Zero on success, positive it holds the value `errno` had + * when the reading failed, otherwise (negative) the value + * of an error identifier provided by this library. + */ + int gamma_error; + + }; -namespace libgamma -{ - /** - * Cathode ray tube controller information data structure. - */ - class CRTCInformation; - - /** - * Capabilities of adjustment methods. - */ - class MethodCapabilities; - - /** - * Site state. - * - * On operating systems that integrate a graphical environment - * there is usually just one site. However, one systems with - * pluggable graphics, like Unix-like systems such as GNU/Linux - * and the BSD:s, there can usually be any (feasible) number of - * sites. In X.org parlance they are called displays. - */ - class Site; - - /** - * Partition state. - * - * Probably the majority of display server only one partition - * per site. However, X.org can, and traditional used to have - * on multi-headed environments, multiple partitions per site. - * In X.org partitions are called 'screens'. It is not to be - * confused with monitor. A screen is a collection of monitors, - * and the mapping from monitors to screens is a surjection. - * On hardware-level adjustment methods, such as Direct - * Rendering Manager, a partition is a graphics card. - */ - class Partition; - - /** - * Cathode ray tube controller state. - * - * The CRTC controls the gamma ramps for the - * monitor that is plugged in to the connector - * that the CRTC belongs to. - */ - class CRTC; - - - - /** - * Capabilities of adjustment methods. - */ - class MethodCapabilities - { - public: - /** - * Constructor. - */ - MethodCapabilities(); - - /** - * Constructor. - * - * @param caps The information in the native structure. - */ - MethodCapabilities(libgamma_method_capabilities_t* caps); - - /** - * Copy constructor. - * - * @param other The information to copy. - */ - MethodCapabilities(const MethodCapabilities& other); - - /** - * Destructor. - */ - ~MethodCapabilities(); - - /** - * Copy operator. - * - * @param other The information to copy. - */ - MethodCapabilities& operator =(const MethodCapabilities& other); - - - - - /** - * OR of the CRTC information fields in `libgamma_crtc_information_t` - * that may (but can fail) be read successfully. - */ - int32_t crtc_information; - - /** - * Whether the default site is known, if true the site is integrated - * to the system or can be determined using environment variables. - */ - bool default_site_known; - - /** - * Whether the adjustment method supports multiple sites rather - * than just the default site. - */ - bool multiple_sites; - - /** - * Whether the adjustment method supports multiple partitions - * per site. - */ - bool multiple_partitions; - - /** - * Whether the adjustment method supports multiple CRTC:s - * per partition per site. - */ - bool multiple_crtcs; - - /** - * Whether the partition to graphics card is a bijection. - */ - bool partitions_are_graphics_cards; - - /** - * Whether the adjustment method supports `libgamma_site_restore`. - */ - bool site_restore; - - /** - * Whether the adjustment method supports `libgamma_partition_restore`. - */ - bool partition_restore; - - /** - * Whether the adjustment method supports `libgamma_crtc_restore`. - */ - bool crtc_restore; - - /** - * Whether the `red_gamma_size`, `green_gamma_size` and `blue_gamma_size` - * fields in `libgamma_crtc_information_t` will always have the same - * values as each other for the adjustment method. - */ - bool identical_gamma_sizes; - - /** - * Whether the `red_gamma_size`, `green_gamma_size` and `blue_gamma_size` - * fields in `libgamma_crtc_information_t` will always be filled with the - * same value for the adjustment method. - */ - bool fixed_gamma_size; - - /** - * Whether the `gamma_depth` field in `libgamma_crtc_information_t` - * will always be filled with the same value for the adjustment method. - */ - bool fixed_gamma_depth; - - /** - * Whether the adjustment method will actually perform adjustments. - */ - bool real; - - /** - * Whether the adjustment method is implement using a translation layer. - */ - bool fake; - - }; - - - /** - * Types for connectors. - */ - typedef libgamma_connector_type_t ConnectorType; - - /** - * Orders for subpixels. Currently the possible values are - * very biased to LCD, Plasma and monochrome monitors. - */ - typedef libgamma_subpixel_order_t SubpixelOrder; - - - /** - * Cathode ray tube controller information data structure. - */ - class CRTCInformation - { - public: - /** - * Constructor. - */ - CRTCInformation(); - - /** - * Constructor. - * - * @param info The information in the native structure. - */ - CRTCInformation(libgamma_crtc_information_t* info); - - /** - * Copy constructor. - * - * @param other The information to copy. - */ - CRTCInformation(const CRTCInformation& other); - - /** - * Destructor. - */ - ~CRTCInformation(); - - /** - * Copy operator. - * - * @param other The information to copy. - */ - CRTCInformation& operator =(const CRTCInformation& other); - - - - /** - * The Extended Display Identification Data associated with - * the attached monitor. This is raw byte array that is usually - * 128 bytes long. It is not NUL-terminate, rather its length - * is stored in `edid_length`. - */ - unsigned char* edid; - - /** - * The length of `edid`. - */ - size_t edid_length; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int edid_error; - - - /** - * The phyical width, in millimetres, of the viewport of the - * attached monitor, as reported by the adjustment method. This - * value may be incorrect, which is a known issue with the X - * server where it is the result of the X server attempting - * the estimate the size on its own. - * Zero means that its is not applicable, which is the case - * for projectors. - */ - size_t width_mm; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int width_mm_error; - - - /** - * The phyical height, in millimetres, of the viewport of the - * attached monitor, as reported by the adjustment method. This - * value may be incorrect, which is a known issue with the X - * server where it is the result of the X server attempting - * the estimate the size on its own. - * Zero means that its is not applicable, which is the case - * for projectors. - */ - size_t height_mm; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int height_mm_error; - - - /** - * The phyical width, in millimetres, of the viewport of the - * attached monitor, as reported by it the monitor's Extended - * Display Information Data. This value can only contain whole - * centimetres, which means that the result is always zero - * modulus ten. However, this could change with revisions of - * the EDID structure. - * Zero means that its is not applicable, which is the case - * for projectors. - */ - size_t width_mm_edid; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int width_mm_edid_error; - - - /** - * The phyical height, in millimetres, of the viewport of the - * attached monitor, as reported by it the monitor's Extended - * Display Information Data. This value can only contain whole - * centimetres, which means that the result is always zero - * modulus ten. However, this could change with revisions of - * the EDID structure. - * Zero means that its is not applicable, which is the case - * for projectors. - */ - size_t height_mm_edid; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int height_mm_edid_error; - - - /** - * The size of the encoding axis of the red gamma ramp. - */ - size_t red_gamma_size; - - /** - * The size of the encoding axis of the green gamma ramp. - */ - size_t green_gamma_size; - - /** - * The size of the encoding axis of the blue gamma ramp. - */ - size_t blue_gamma_size; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int gamma_size_error; - - - /** - * The bit-depth of the value axes of gamma ramps, - * -1 for single precision floating point, and -2 for - * double precision floating point. - */ - signed gamma_depth; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int gamma_depth_error; - - - /** - * Non-zero gamma ramp adjustments are supported. - */ - int gamma_support; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int gamma_support_error; - - - /** - * The layout of the subpixels. - * You cannot count on this value --- especially for CRT:s --- - * but it is provided anyway as a means of distinguishing monitors. - */ - SubpixelOrder subpixel_order; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int subpixel_order_error; - - - /** - * Whether there is a monitors connected to the CRTC. - */ - int active; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int active_error; - - - /** - * The name of the connector as designated by the display - * server or as give by this library in case the display - * server lacks this feature. - */ - std::string* connector_name; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int connector_name_error; - - - /** - * The type of the connector that is associated with the CRTC. - */ - ConnectorType connector_type; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int connector_type_error; - - - /** - * The gamma characteristics of the monitor as reported - * in its Extended Display Information Data. The value - * holds the value for the red channel. If you do not have - * and more accurate measurement of the gamma for the - * monitor this could be used to give a rought gamma - * correction; simply divide the value with 2.2 and use - * the result for the red channel in the gamma correction. - */ - float gamma_red; - - /** - * The gamma characteristics of the monitor as reported - * in its Extended Display Information Data. The value - * holds the value for the green channel. If you do not have - * and more accurate measurement of the gamma for the - * monitor this could be used to give a rought gamma - * correction; simply divide the value with 2.2 and use - * the result for the green channel in the gamma correction. - */ - float gamma_green; - - /** - * The gamma characteristics of the monitor as reported - * in its Extended Display Information Data. The value - * holds the value for the blue channel. If you do not have - * and more accurate measurement of the gamma for the - * monitor this could be used to give a rought gamma - * correction; simply divide the value with 2.2 and use - * the result for the blue channel in the gamma correction. - */ - float gamma_blue; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int gamma_error; - - }; - - - #ifdef __GNUC__ # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Weffc++" - /* Lets ignore that we do not override the copy constructor - * and the copy operator. */ + /* Lets ignore that we do not override the copy constructor + * and the copy operator */ #endif - - /** - * One single Gamma ramp. - */ - template <typename T> - class Ramp - { - public: - /** - * Constructor. - * - * @param native_ramp The ramp. - * @param ramp_size The size of the ramp. - */ - Ramp(T* native_ramp, size_t ramp_size) - { - this->ramp = native_ramp; - this->size = ramp_size; - } - - /** - * Destructor. - */ - ~Ramp() - { - /* Do nothing */ - } - - /** - * Subscript operator. - * - * @param index The index of the stop to set or get. - * @return A reference to the stop's value. - */ - T& operator [](size_t index) - { - return this->ramp[index]; - } - - /** - * Subscript operator. - * - * @param index The index of the stop to get. - * @return The value of the stop. - */ - const T& operator [](size_t index) const - { - return this->ramp[index]; - } - - - - /** - * The size of the ramp. - */ - size_t size; - - /** - * The ramp (internal data). - */ - T* ramp; - - }; - - - /** - * Gamma ramp structure. - */ - template <typename T> - class GammaRamps - { - public: - /** - * Constructor. - */ - GammaRamps() : - red(Ramp<T>(nullptr, 0)), - green(Ramp<T>(nullptr, 0)), - blue(Ramp<T>(nullptr, 0)), - depth(0) - { - /* Do nothing. */ - } - - /** - * Constructor. - * - * @param red_ramp The red gamma ramp. - * @param green_ramp The green gamma ramp. - * @param blue_ramp The blue gamma ramp. - * @param red_size The size of the gamma ramp for the red channel. - * @param green_size The size of the gamma ramp for the green channel. - * @param blue_size The size of the gamma ramp for the blue channel. - * @param gamma_depth The bit-depth of the gamma ramps, -1 for single precision - * floating point, and -2 for double precision floating point. - */ - GammaRamps(T* red_ramp, T* green_ramp, T* blue_ramp, - size_t red_size, size_t green_size, size_t blue_size, signed gamma_depth) : - red(Ramp<T>(red_ramp, red_size)), - green(Ramp<T>(green_ramp, green_size)), - blue(Ramp<T>(blue_ramp, blue_size)), - depth(gamma_depth) - { - /* Do nothing. */ - } - - /** - * Destructor. - */ - ~GammaRamps() - { - free(this->red.ramp); - } - - - - /** - * The red gamma ramp. - */ - Ramp<T> red; - - /** - * The green gamma ramp. - */ - Ramp<T> green; - - /** - * The blue gamma ramp. - */ - Ramp<T> blue; - - /** - * The bit-depth of the gamma ramps, -1 for single precision - * floating point, and -2 for double precision floating point. - */ - signed depth; - - }; - - - - /** - * Site state. - * - * On operating systems that integrate a graphical environment - * there is usually just one site. However, one systems with - * pluggable graphics, like Unix-like systems such as GNU/Linux - * and the BSD:s, there can usually be any (feasible) number of - * sites. In X.org parlance they are called displays. - */ - class Site - { - public: - /** - * Constructor. - */ - Site(); - - /** - * Constructor. - * - * @param method The adjustment method of the site. - * @param site The site identifier, will be moved into - * the structure, must be `delete`:able. - */ - Site(int method, std::string* site = nullptr); - - /** - * Destructor. - */ - ~Site(); - - /** - * Restore the gamma ramps all CRTC:s with a site to - * the system settings. - */ - void restore(); - - - - /** - * This field specifies, for the methods if this library, - * which adjustment method (display server and protocol) - * is used to adjust the gamma ramps. - */ - int method; - - /** - * The site identifier. It can either be `nullptr` or a string. - * `nullptr` indicates the default site. On systems like the - * Unix-like systems, where the graphics are pluggable, this - * is usually resolved by an environment variable, such as - * "DISPLAY" for X.org. - */ - std::string* site; - - /** - * The number of partitions that is available on this site. - * Probably the majority of display server only one partition - * per site. However, X.org can, and traditional used to have - * on multi-headed environments, multiple partitions per site. - * In X.org partitions are called 'screens'. It is not to be - * confused with monitor. A screen is a collection of monitors, - * and the mapping from monitors to screens is a surjection. - * On hardware-level adjustment methods, such as Direct - * Rendering Manager, a partition is a graphics card. - */ - size_t partitions_available; - - /** - * The state in the native structure. - */ - libgamma_site_state_t* native; - - }; - - - - /** - * Partition state. - * - * Probably the majority of display server only one partition - * per site. However, X.org can, and traditional used to have - * on multi-headed environments, multiple partitions per site. - * In X.org partitions are called 'screens'. It is not to be - * confused with monitor. A screen is a collection of monitors, - * and the mapping from monitors to screens is a surjection. - * On hardware-level adjustment methods, such as Direct - * Rendering Manager, a partition is a graphics card. - */ - class Partition - { - public: - /** - * Constructor. - */ - Partition(); - - /** - * Constructor. - * - * @param site The site of the partition. - * @param partition The index of the partition. - */ - Partition(Site* site, size_t partition); - - /** - * Destructor. - */ - ~Partition(); - - /** - * Restore the gamma ramps all CRTC:s with a partition - * to the system settings. - */ - void restore(); - - - - /** - * The site this partition belongs to. - */ - Site* site; - - /** - * The index of the partition. - */ - size_t partition; - - /** - * The number of CRTC:s that are available under this - * partition. Note that the CRTC:s are not necessarily - * online. - */ - size_t crtcs_available; - - /** - * The state in the native structure. - */ - libgamma_partition_state_t* native; - - }; - - - - /** - * Cathode ray tube controller state. - * - * The CRTC controls the gamma ramps for the - * monitor that is plugged in to the connector - * that the CRTC belongs to. - */ - class CRTC - { - public: - /** - * Constructor. - */ - CRTC(); - - /** - * Constructor. - * - * @param partition The partition of the CRTC. - * @param crtc The index of the CRTC. - */ - CRTC(Partition* partition, size_t crtc); - - /** - * Destructor. - */ - ~CRTC(); - - /** - * Restore the gamma ramps for a CRTC to the system - * settings for that CRTC. - */ - void restore(); - - /** - * Read information about a CRTC. - * - * @param output Instance of a data structure to fill with the information about the CRTC. - * @param fields OR:ed identifiers for the information about the CRTC that should be read. - * @return Whether an error has occurred and is stored in a `*_error` field. - */ - bool information(CRTCInformation* output, int32_t fields); - -#define __LIBGAMMA_GET_GAMMA(AFFIX) \ - libgamma_gamma_ramps ## AFFIX ## _t ramps_; \ - int r; \ - ramps_.red = ramps->red.ramp; \ - ramps_.green = ramps->green.ramp; \ - ramps_.blue = ramps->blue.ramp; \ - ramps_.red_size = ramps->red.size; \ - ramps_.green_size = ramps->green.size; \ - ramps_.blue_size = ramps->blue.size; \ - r = libgamma_crtc_get_gamma_ramps ## AFFIX(this->native, &ramps_); \ - if (r != 0) \ - throw create_error(r) - - /** - * Get the current gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void get_gamma(GammaRamps<uint8_t>* ramps) - { - __LIBGAMMA_GET_GAMMA(8); - } - - /** - * Get the current gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void get_gamma(GammaRamps<uint16_t>* ramps) - { - __LIBGAMMA_GET_GAMMA(16); - } - - /** - * Get the current gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void get_gamma(GammaRamps<uint32_t>* ramps) - { - __LIBGAMMA_GET_GAMMA(32); - } - - /** - * Get the current gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void get_gamma(GammaRamps<uint64_t>* ramps) - { - __LIBGAMMA_GET_GAMMA(64); - } - - /** - * Get the current gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void get_gamma(GammaRamps<float>* ramps) - { - __LIBGAMMA_GET_GAMMA(f); - } - - /** - * Get the current gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void get_gamma(GammaRamps<double>* ramps) - { - __LIBGAMMA_GET_GAMMA(d); - } - -#undef __LIBGAMMA_GET_GAMMA - -#define __LIBGAMMA_SET_GAMMA(AFFIX) \ - libgamma_gamma_ramps ## AFFIX ## _t ramps_; \ - int r; \ - ramps_.red = ramps->red.ramp; \ - ramps_.green = ramps->green.ramp; \ - ramps_.blue = ramps->blue.ramp; \ - ramps_.red_size = ramps->red.size; \ - ramps_.green_size = ramps->green.size; \ - ramps_.blue_size = ramps->blue.size; \ - r = libgamma_crtc_set_gamma_ramps ## AFFIX(this->native, ramps_); \ - if (r != 0) \ - throw create_error(r) - - /** - * Set gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void set_gamma(GammaRamps<uint8_t>* ramps) - { - __LIBGAMMA_SET_GAMMA(8); - } - - /** - * Set gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void set_gamma(GammaRamps<uint16_t>* ramps) - { - __LIBGAMMA_SET_GAMMA(16); - } - - /** - * Set gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void set_gamma(GammaRamps<uint32_t>* ramps) - { - __LIBGAMMA_SET_GAMMA(32); - } - - /** - * Set gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void set_gamma(GammaRamps<uint64_t>* ramps) - { - __LIBGAMMA_SET_GAMMA(64); - } - - /** - * Set gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void set_gamma(GammaRamps<float>* ramps) - { - __LIBGAMMA_SET_GAMMA(f); - } - - /** - * Set gamma ramps for the CRTC. - * - * @param ramps The gamma ramps to fill with the current values. - */ - void set_gamma(GammaRamps<double>* ramps) - { - __LIBGAMMA_SET_GAMMA(d); - } - -#undef __LIBGAMMA_SET_GAMMA - - - - /** - * The partition this CRTC belongs to. - */ - Partition* partition; - - /** - * The index of the CRTC within its partition. - */ - size_t crtc; - - /** - * The state in the native structure. - */ - libgamma_crtc_state_t* native; - - }; - + + /** + * One single Gamma ramp + */ + template <typename T> + class Ramp + { + public: + /** + * Constructor + * + * @param native_ramp The ramp + * @param ramp_size The size of the ramp + */ + Ramp(T *native_ramp, size_t ramp_size) + { + this->ramp = native_ramp; + this->size = ramp_size; + } + + /** + * Destructor + */ + ~Ramp() + { + /* do nothing */ + } + + /** + * Subscript operator + * + * @param index The index of the stop to set or get + * @return A reference to the stop's value + */ + T & + operator [](size_t index) + { + return this->ramp[index]; + } + + /** + * Subscript operator + * + * @param index The index of the stop to get + * @return The value of the stop + */ + const T & + operator [](size_t index) const + { + return this->ramp[index]; + } + + /** + * The size of the ramp + */ + size_t size; + + /** + * The ramp (internal data) + */ + T *ramp; + }; + + + /** + * Gamma ramp structure + */ + template <typename T> + class GammaRamps + { + public: + /** + * Constructor + */ + GammaRamps() : + red(Ramp<T>(nullptr, 0)), + green(Ramp<T>(nullptr, 0)), + blue(Ramp<T>(nullptr, 0)), + depth(0) + { + /* do nothing */ + } + + /** + * Constructor + * + * @param red_ramp The red gamma ramp + * @param green_ramp The green gamma ramp + * @param blue_ramp The blue gamma ramp + * @param red_size The size of the gamma ramp for the red channel + * @param green_size The size of the gamma ramp for the green channel + * @param blue_size The size of the gamma ramp for the blue channel + * @param gamma_depth The bit-depth of the gamma ramps, -1 for single precision + * floating point, and -2 for double precision floating point + */ + GammaRamps(T *red_ramp, T *green_ramp, T *blue_ramp, size_t red_size, + size_t green_size, size_t blue_size, signed gamma_depth) : + red(Ramp<T>(red_ramp, red_size)), + green(Ramp<T>(green_ramp, green_size)), + blue(Ramp<T>(blue_ramp, blue_size)), + depth(gamma_depth) + { + /* do nothing */ + } + + /** + * Destructor + */ + ~GammaRamps() + { + free(this->red.ramp); + } + + + /** + * The red gamma ramp + */ + Ramp<T> red; + + /** + * The green gamma ramp + */ + Ramp<T> green; + + /** + * The blue gamma ramp + */ + Ramp<T> blue; + + /** + * The bit-depth of the gamma ramps, -1 for single precision + * floating point, and -2 for double precision floating point + */ + signed depth; + }; + + + /** + * Site state + * + * On operating systems that integrate a graphical environment + * there is usually just one site. However, one systems with + * pluggable graphics, like Unix-like systems such as GNU/Linux + * and the BSD:s, there can usually be any (feasible) number of + * sites. In X.org parlance they are called displays. + */ + class Site + { + public: + /** + * Constructor + */ + Site(); + + /** + * Constructor + * + * @param method The adjustment method of the site + * @param site The site identifier, will be moved into + * the structure, must be `delete`:able + */ + Site(int method, std::string *site = nullptr); + + /** + * Destructor + */ + ~Site(); + + /** + * Restore the gamma ramps all CRTC:s with a site to + * the system settings + */ + void restore(); + + /** + * This field specifies, for the methods if this library, + * which adjustment method (display server and protocol) + * is used to adjust the gamma ramps + */ + int method; + + /** + * The site identifier. It can either be `nullptr` or a string. + * `nullptr` indicates the default site. On systems like the + * Unix-like systems, where the graphics are pluggable, this + * is usually resolved by an environment variable, such as + * "DISPLAY" for X.org. + */ + std::string *site; + + /** + * The number of partitions that is available on this site. + * Probably the majority of display server only one partition + * per site. However, X.org can, and traditional used to have + * on multi-headed environments, multiple partitions per site. + * In X.org partitions are called 'screens'. It is not to be + * confused with monitor. A screen is a collection of monitors, + * and the mapping from monitors to screens is a surjection. + * On hardware-level adjustment methods, such as Direct + * Rendering Manager, a partition is a graphics card. + */ + size_t partitions_available; + + /** + * The state in the native structure + */ + libgamma_site_state_t *native; + }; + + + /** + * Partition state + * + * Probably the majority of display server only one partition + * per site. However, X.org can, and traditional used to have + * on multi-headed environments, multiple partitions per site. + * In X.org partitions are called 'screens'. It is not to be + * confused with monitor. A screen is a collection of monitors, + * and the mapping from monitors to screens is a surjection. + * On hardware-level adjustment methods, such as Direct + * Rendering Manager, a partition is a graphics card. + */ + class Partition + { + public: + /** + * Constructor + */ + Partition(); + + /** + * Constructor + * + * @param site The site of the partition + * @param partition The index of the partition + */ + Partition(Site *site, size_t partition); + + /** + * Destructor + */ + ~Partition(); + + /** + * Restore the gamma ramps all CRTC:s with a partition + * to the system settings + */ + void restore(); + + /** + * The site this partition belongs to + */ + Site *site; + + /** + * The index of the partition + */ + size_t partition; + + /** + * The number of CRTC:s that are available under this + * partition. Note that the CRTC:s are not necessarily + * online. + */ + size_t crtcs_available; + + /** + * The state in the native structure + */ + libgamma_partition_state_t *native; + }; + + + /** + * Cathode ray tube controller state + * + * The CRTC controls the gamma ramps for the + * monitor that is plugged in to the connector + * that the CRTC belongs to + */ + class CRTC + { + public: + /** + * Constructor + */ + CRTC(); + + /** + * Constructor + * + * @param partition The partition of the CRTC + * @param crtc The index of the CRTC + */ + CRTC(Partition *partition, size_t crtc); + + /** + * Destructor + */ + ~CRTC(); + + /** + * Restore the gamma ramps for a CRTC to the system + * settings for that CRTC + */ + void restore(); + + /** + * Read information about a CRTC + * + * @param output Instance of a data structure to fill with the information about the CRTC + * @param fields OR:ed identifiers for the information about the CRTC that should be read + * @return Whether an error has occurred and is stored in a `*_error` field + */ + bool information(CRTCInformation *output, int32_t fields); + +#define LIBGAMMAMM_GET_GAMMA__(AFFIX)\ + libgamma_gamma_ramps##AFFIX##_t ramps_;\ + int r;\ + ramps_.red = ramps->red.ramp;\ + ramps_.green = ramps->green.ramp;\ + ramps_.blue = ramps->blue.ramp;\ + ramps_.red_size = ramps->red.size;\ + ramps_.green_size = ramps->green.size;\ + ramps_.blue_size = ramps->blue.size;\ + r = libgamma_crtc_get_gamma_ramps##AFFIX(this->native, &ramps_);\ + if (r)\ + throw create_error(r) + + /** + * Get the current gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void + get_gamma(GammaRamps<uint8_t> *ramps) + { + LIBGAMMAMM_GET_GAMMA__(8); + } + + /** + * Get the current gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void + get_gamma(GammaRamps<uint16_t> *ramps) + { + LIBGAMMAMM_GET_GAMMA__(16); + } + + /** + * Get the current gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void + get_gamma(GammaRamps<uint32_t> *ramps) + { + LIBGAMMAMM_GET_GAMMA__(32); + } + + /** + * Get the current gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void + get_gamma(GammaRamps<uint64_t> *ramps) + { + LIBGAMMAMM_GET_GAMMA__(64); + } + + /** + * Get the current gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void get_gamma(GammaRamps<float> *ramps) + { + LIBGAMMAMM_GET_GAMMA__(f); + } + + /** + * Get the current gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void get_gamma(GammaRamps<double> *ramps) + { + LIBGAMMAMM_GET_GAMMA__(d); + } + +#undef LIBGAMMAMM_GET_GAMMA__ + +#define LIBGAMMAMM_SET_GAMMA__(AFFIX)\ + libgamma_gamma_ramps##AFFIX##_t ramps_;\ + int r;\ + ramps_.red = ramps->red.ramp;\ + ramps_.green = ramps->green.ramp;\ + ramps_.blue = ramps->blue.ramp;\ + ramps_.red_size = ramps->red.size;\ + ramps_.green_size = ramps->green.size;\ + ramps_.blue_size = ramps->blue.size;\ + r = libgamma_crtc_set_gamma_ramps##AFFIX(this->native, ramps_);\ + if (r)\ + throw create_error(r) + + /** + * Set gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void + set_gamma(GammaRamps<uint8_t> *ramps) + { + LIBGAMMAMM_SET_GAMMA__(8); + } + + /** + * Set gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void + set_gamma(GammaRamps<uint16_t> *ramps) + { + LIBGAMMAMM_SET_GAMMA__(16); + } + + /** + * Set gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void + set_gamma(GammaRamps<uint32_t> *ramps) + { + LIBGAMMAMM_SET_GAMMA__(32); + } + + /** + * Set gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void + set_gamma(GammaRamps<uint64_t> *ramps) + { + LIBGAMMAMM_SET_GAMMA__(64); + } + + /** + * Set gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void + set_gamma(GammaRamps<float> *ramps) + { + LIBGAMMAMM_SET_GAMMA__(f); + } + + /** + * Set gamma ramps for the CRTC + * + * @param ramps The gamma ramps to fill with the current values + */ + void + set_gamma(GammaRamps<double> *ramps) + { + LIBGAMMAMM_SET_GAMMA__(d); + } + +#undef LIBGAMMAMM_SET_GAMMA__ + + + /** + * The partition this CRTC belongs to + */ + Partition *partition; + + /** + * The index of the CRTC within its partition + */ + size_t crtc; + + /** + * The state in the native structure + */ + libgamma_crtc_state_t *native; + }; + #ifdef __GNUC__ # pragma GCC diagnostic pop -#endif - +#endif } - -#ifndef __GNUC__ -# undef __attribute__ -#endif - #endif - diff --git a/libgamma-native.hh b/libgamma-native.hh index f9ded22..81b8e78 100644 --- a/libgamma-native.hh +++ b/libgamma-native.hh @@ -2,7 +2,6 @@ #ifndef LIBGAMMA_NATIVE_HH #define LIBGAMMA_NATIVE_HH - extern "C" { # ifdef __GNUC__ @@ -21,6 +20,4 @@ extern "C" # endif } - #endif - diff --git a/libgamma.hh b/libgamma.hh index 0577902..63a8036 100644 --- a/libgamma.hh +++ b/libgamma.hh @@ -2,11 +2,8 @@ #ifndef LIBGAMMA_HH #define LIBGAMMA_HH - #include "libgamma-error.hh" #include "libgamma-method.hh" #include "libgamma-facade.hh" - #endif - @@ -1,307 +1,294 @@ /* See LICENSE file for copyright and license details. */ #include "libgamma.hh" - -#include <iostream> #include <cstdlib> +#include <iostream> #include <unistd.h> -int main(void) +int +main(void) { - libgamma::Site* site; - libgamma::Partition* partition; - libgamma::CRTC* crtc; - libgamma::CRTCInformation info; - libgamma::MethodCapabilities caps; - libgamma::GammaRamps<uint16_t>* ramps; - int method; - size_t i; - - uint16_t* saved_red; - uint16_t* saved_green; - uint16_t* saved_blue; - - std::string* str; - char* cstr; - unsigned char* edid; - - libgamma::perror("test", 0); - libgamma::perror("test", 2); - libgamma::perror("test", -2); - libgamma::perror("test", LIBGAMMA_ERRNO_SET); - std::cout << std::endl; - - str = libgamma::name_of_error(-2); - std::cout << *str << std::endl; - std::cout << libgamma::value_of_error(str) << std::endl; - delete str; - str = new std::string("LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD"); - std::cout << libgamma::value_of_error(str) << std::endl; - delete str; - std::cout << std::endl; - - for (int m : libgamma::list_methods(0)) - std::cout << m << " "; - std::cout << std::endl; - for (int m : libgamma::list_methods(1)) - std::cout << m << " "; - std::cout << std::endl; - for (int m : libgamma::list_methods(2)) - std::cout << m << " "; - std::cout << std::endl; - for (int m : libgamma::list_methods(3)) - std::cout << m << " "; - std::cout << std::endl; - for (int m : libgamma::list_methods(4)) - std::cout << m << " "; - std::cout << std::endl; - std::cout << std::endl; - method = libgamma::list_methods(0)[0]; - - std::cout << libgamma::is_method_available(LIBGAMMA_METHOD_X_RANDR) << std::endl; - str = libgamma::method_default_site(LIBGAMMA_METHOD_X_RANDR); - if (str == nullptr) - std::cout << "(nullptr)" << std::endl; - else - std::cout << *str << std::endl; - delete str; - str = libgamma::method_default_site_variable(LIBGAMMA_METHOD_X_RANDR); - if (str == nullptr) - std::cout << "(nullptr)" << std::endl; - else - std::cout << *str << std::endl; - delete str; - std::cout << std::endl; - - edid = libgamma::unhex_edid("0123456789abcdef"); - cstr = libgamma_behex_edid(edid, 8); - std::cout << cstr << std::endl; - free(cstr); - std::cout << libgamma::behex_edid(edid, 8) << std::endl; - std::cout << libgamma::behex_edid_lowercase(edid, 8) << std::endl; - std::cout << libgamma::behex_edid_uppercase(edid, 8) << std::endl; - free(edid); - std::cout << std::endl; - - site = new libgamma::Site(method, new std::string(":0")); - std::cout << site->partitions_available << std::endl; - partition = new libgamma::Partition(site, 0); - std::cout << partition->crtcs_available << std::endl; - crtc = new libgamma::CRTC(partition, 0); - std::cout << crtc->information(&info, ~0) << std::endl; - std::cout << std::endl; - - cstr = libgamma_behex_edid(info.edid, info.edid_length); - std::cout << "edid: " << cstr << std::endl; - free(cstr); - std::cout << "edid_length: " << info.edid_length << std::endl; - std::cout << "edid_error: " << info.edid_error << std::endl; - std::cout << "width_mm: " << info.width_mm << std::endl; - std::cout << "width_mm_error: " << info.width_mm_error << std::endl; - std::cout << "height_mm: " << info.height_mm << std::endl; - std::cout << "height_mm_error: " << info.height_mm_error << std::endl; - std::cout << "width_mm_edid: " << info.width_mm_edid << std::endl; - std::cout << "width_mm_edid_error: " << info.width_mm_edid_error << std::endl; - std::cout << "height_mm_edid: " << info.height_mm_edid << std::endl; - std::cout << "height_mm_edid_error: " << info.height_mm_edid_error << std::endl; - std::cout << "red_gamma_size: " << info.red_gamma_size << std::endl; - std::cout << "green_gamma_size: " << info.green_gamma_size << std::endl; - std::cout << "blue_gamma_size: " << info.blue_gamma_size << std::endl; - std::cout << "gamma_size_error: " << info.gamma_size_error << std::endl; - std::cout << "gamma_depth: " << info.gamma_depth << std::endl; - std::cout << "gamma_depth_error: " << info.gamma_depth_error << std::endl; - std::cout << "gamma_support: " << info.gamma_support << std::endl; - std::cout << "gamma_support_error: " << info.gamma_support_error << std::endl; - std::cout << "subpixel_order: " << info.subpixel_order << std::endl; - std::cout << "subpixel_order_error: " << info.subpixel_order_error << std::endl; - std::cout << "active: " << info.active << std::endl; - std::cout << "active_error: " << info.active_error << std::endl; - if (info.connector_name == nullptr) - std::cout << "connector_name: " << "(nullptr)" << std::endl; - else - std::cout << "connector_name: " << *(info.connector_name) << std::endl; - std::cout << "connector_name_error: " << info.connector_name_error << std::endl; - std::cout << "connector_type: " << info.connector_type << std::endl; - std::cout << "connector_type_error: " << info.connector_type_error << std::endl; - std::cout << "gamma_red: " << info.gamma_red << std::endl; - std::cout << "gamma_green: " << info.gamma_green << std::endl; - std::cout << "gamma_blue: " << info.gamma_blue << std::endl; - std::cout << "gamma_error: " << info.gamma_error << std::endl; - std::cout << std::endl; - - libgamma::method_capabilities(&caps, method); - std::cout << "crtc_information: " << caps.crtc_information << std::endl; - std::cout << "default_site_known: " << caps.default_site_known << std::endl; - std::cout << "multiple_sites: " << caps.multiple_sites << std::endl; - std::cout << "multiple_partitions: " << caps.multiple_partitions << std::endl; - std::cout << "multiple_crtcs: " << caps.multiple_crtcs << std::endl; - std::cout << "partitions_are_graphics_cards: " << caps.partitions_are_graphics_cards << std::endl; - std::cout << "site_restore: " << caps.site_restore << std::endl; - std::cout << "partition_restore: " << caps.partition_restore << std::endl; - std::cout << "crtc_restore: " << caps.crtc_restore << std::endl; - std::cout << "identical_gamma_sizes: " << caps.identical_gamma_sizes << std::endl; - std::cout << "fixed_gamma_size: " << caps.fixed_gamma_size << std::endl; - std::cout << "fixed_gamma_depth: " << caps.fixed_gamma_depth << std::endl; - std::cout << "real: " << caps.real << std::endl; - std::cout << "fake: " << caps.fake << std::endl; - std::cout << std::endl; - - std::cout << libgamma::group_gid << std::endl; - libgamma::group_gid = 10; - std::cout << libgamma::group_gid << std::endl; - std::cout << std::endl; - - if (libgamma::group_name == nullptr) - std::cout << "(nullptr)" << std::endl; - else - std::cout << libgamma::group_name << std::endl; - libgamma::group_name = "test-group"; - if (libgamma::group_name == nullptr) - std::cout << "(nullptr)" << std::endl; - else - std::cout << libgamma::group_name << std::endl; - std::cout << std::endl; - - ramps = libgamma::gamma_ramps16_create(info.red_gamma_size, info.green_gamma_size, info.blue_gamma_size); - std::cout << ramps->red.size << " " - << ramps->green.size << " " - << ramps->blue.size << std::endl; - std::cout << ramps->depth << std::endl; - std::cout << std::endl; - - saved_red = new uint16_t[ramps->red.size]; - saved_green = new uint16_t[ramps->green.size]; - saved_blue = new uint16_t[ramps->blue.size]; - - crtc->get_gamma(ramps); - - for (i = 0; i < ramps->red.size; i++) - { - std::cout << ramps->red[i] << " "; - saved_red[i] = ramps->red[i]; - ramps->red[i] /= 2; - } - std::cout << std::endl; - std::cout << std::endl; - - for (i = 0; i < ramps->green.size; i++) - { - std::cout << ramps->green[i] << " "; - saved_green[i] = ramps->green[i]; - ramps->green[i] /= 2; - } - std::cout << std::endl; - std::cout << std::endl; - - for (i = 0; i < ramps->blue.size; i++) - { - std::cout << ramps->blue[i] << " "; - saved_blue[i] = ramps->blue[i]; - ramps->blue[i] /= 2; - } - std::cout << std::endl; - std::cout << std::endl; - - crtc->set_gamma(ramps); - - sleep(1); - - for (i = 0; i < ramps->red.size; i++) - ramps->red[i] = saved_red[i]; - for (i = 0; i < ramps->green.size; i++) - ramps->green[i] = saved_green[i]; - for (i = 0; i < ramps->blue.size; i++) - ramps->blue[i] = saved_blue[i]; - - crtc->set_gamma(ramps); - - delete [] saved_red; - delete [] saved_green; - delete [] saved_blue; - delete ramps; - - sleep(1); - - ramps = new libgamma::GammaRamps<uint16_t>(); - libgamma::gamma_ramps16_initialise(ramps, info.red_gamma_size, info.green_gamma_size, info.blue_gamma_size); - std::cout << ramps->red.size << " " - << ramps->green.size << " " - << ramps->blue.size << std::endl; - std::cout << ramps->depth << std::endl; - std::cout << std::endl; - - saved_red = new uint16_t[ramps->red.size]; - saved_green = new uint16_t[ramps->green.size]; - saved_blue = new uint16_t[ramps->blue.size]; - - crtc->get_gamma(ramps); - - for (i = 0; i < ramps->red.size; i++) - { - std::cout << ramps->red[i] << " "; - saved_red[i] = ramps->red[i]; - ramps->red[i] /= 2; - } - std::cout << std::endl; - std::cout << std::endl; - - for (i = 0; i < ramps->green.size; i++) - { - std::cout << ramps->green[i] << " "; - saved_green[i] = ramps->green[i]; - ramps->green[i] /= 2; - } - std::cout << std::endl; - std::cout << std::endl; - - for (i = 0; i < ramps->blue.size; i++) - { - std::cout << ramps->blue[i] << " "; - saved_blue[i] = ramps->blue[i]; - ramps->blue[i] /= 2; - } - std::cout << std::endl; - std::cout << std::endl; - - crtc->set_gamma(ramps); - - sleep(1); - - for (i = 0; i < ramps->red.size; i++) - ramps->red[i] = saved_red[i]; - for (i = 0; i < ramps->green.size; i++) - ramps->green[i] = saved_green[i]; - for (i = 0; i < ramps->blue.size; i++) - ramps->blue[i] = saved_blue[i]; - - crtc->set_gamma(ramps); - - delete [] saved_red; - delete [] saved_green; - delete [] saved_blue; - delete ramps; - - delete crtc; - delete partition; - delete site; - - try - { - throw libgamma::create_error(EIO); - } - catch (const libgamma::LibgammaException& err) - { - std::cout << err.what() << std::endl; - } - try - { - throw libgamma::create_error(LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD); - } - catch (const libgamma::LibgammaException& err) - { - std::cout << err.what() << std::endl; - } - - return 0; -} + libgamma::Site *site; + libgamma::Partition *partition; + libgamma::CRTC *crtc; + libgamma::CRTCInformation info; + libgamma::MethodCapabilities caps; + libgamma::GammaRamps<uint16_t> *ramps; + int method; + size_t i; + + uint16_t *saved_red; + uint16_t *saved_green; + uint16_t *saved_blue; + + std::string *str; + char *cstr; + unsigned char *edid; + + libgamma::perror("test", 0); + libgamma::perror("test", 2); + libgamma::perror("test", -2); + libgamma::perror("test", LIBGAMMA_ERRNO_SET); + std::cout << std::endl; + + str = libgamma::name_of_error(-2); + std::cout << *str << std::endl; + std::cout << libgamma::value_of_error(str) << std::endl; + delete str; + str = new std::string("LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD"); + std::cout << libgamma::value_of_error(str) << std::endl; + delete str; + std::cout << std::endl; + + for (int m : libgamma::list_methods(0)) + std::cout << m << " "; + std::cout << std::endl; + for (int m : libgamma::list_methods(1)) + std::cout << m << " "; + std::cout << std::endl; + for (int m : libgamma::list_methods(2)) + std::cout << m << " "; + std::cout << std::endl; + for (int m : libgamma::list_methods(3)) + std::cout << m << " "; + std::cout << std::endl; + for (int m : libgamma::list_methods(4)) + std::cout << m << " "; + std::cout << std::endl; + std::cout << std::endl; + method = libgamma::list_methods(0)[0]; + + std::cout << libgamma::is_method_available(LIBGAMMA_METHOD_X_RANDR) << std::endl; + str = libgamma::method_default_site(LIBGAMMA_METHOD_X_RANDR); + if (str == nullptr) + std::cout << "(nullptr)" << std::endl; + else + std::cout << *str << std::endl; + delete str; + str = libgamma::method_default_site_variable(LIBGAMMA_METHOD_X_RANDR); + if (str == nullptr) + std::cout << "(nullptr)" << std::endl; + else + std::cout << *str << std::endl; + delete str; + std::cout << std::endl; + + edid = libgamma::unhex_edid("0123456789abcdef"); + cstr = libgamma_behex_edid(edid, 8); + std::cout << cstr << std::endl; + free(cstr); + std::cout << libgamma::behex_edid(edid, 8) << std::endl; + std::cout << libgamma::behex_edid_lowercase(edid, 8) << std::endl; + std::cout << libgamma::behex_edid_uppercase(edid, 8) << std::endl; + free(edid); + std::cout << std::endl; + + site = new libgamma::Site(method, new std::string(":0")); + std::cout << site->partitions_available << std::endl; + partition = new libgamma::Partition(site, 0); + std::cout << partition->crtcs_available << std::endl; + crtc = new libgamma::CRTC(partition, 0); + std::cout << crtc->information(&info, ~0) << std::endl; + std::cout << std::endl; + + cstr = libgamma_behex_edid(info.edid, info.edid_length); + std::cout << "edid: " << cstr << std::endl; + free(cstr); + std::cout << "edid_length: " << info.edid_length << std::endl; + std::cout << "edid_error: " << info.edid_error << std::endl; + std::cout << "width_mm: " << info.width_mm << std::endl; + std::cout << "width_mm_error: " << info.width_mm_error << std::endl; + std::cout << "height_mm: " << info.height_mm << std::endl; + std::cout << "height_mm_error: " << info.height_mm_error << std::endl; + std::cout << "width_mm_edid: " << info.width_mm_edid << std::endl; + std::cout << "width_mm_edid_error: " << info.width_mm_edid_error << std::endl; + std::cout << "height_mm_edid: " << info.height_mm_edid << std::endl; + std::cout << "height_mm_edid_error: " << info.height_mm_edid_error << std::endl; + std::cout << "red_gamma_size: " << info.red_gamma_size << std::endl; + std::cout << "green_gamma_size: " << info.green_gamma_size << std::endl; + std::cout << "blue_gamma_size: " << info.blue_gamma_size << std::endl; + std::cout << "gamma_size_error: " << info.gamma_size_error << std::endl; + std::cout << "gamma_depth: " << info.gamma_depth << std::endl; + std::cout << "gamma_depth_error: " << info.gamma_depth_error << std::endl; + std::cout << "gamma_support: " << info.gamma_support << std::endl; + std::cout << "gamma_support_error: " << info.gamma_support_error << std::endl; + std::cout << "subpixel_order: " << info.subpixel_order << std::endl; + std::cout << "subpixel_order_error: " << info.subpixel_order_error << std::endl; + std::cout << "active: " << info.active << std::endl; + std::cout << "active_error: " << info.active_error << std::endl; + if (info.connector_name == nullptr) + std::cout << "connector_name: " << "(nullptr)" << std::endl; + else + std::cout << "connector_name: " << *(info.connector_name) << std::endl; + std::cout << "connector_name_error: " << info.connector_name_error << std::endl; + std::cout << "connector_type: " << info.connector_type << std::endl; + std::cout << "connector_type_error: " << info.connector_type_error << std::endl; + std::cout << "gamma_red: " << info.gamma_red << std::endl; + std::cout << "gamma_green: " << info.gamma_green << std::endl; + std::cout << "gamma_blue: " << info.gamma_blue << std::endl; + std::cout << "gamma_error: " << info.gamma_error << std::endl; + std::cout << std::endl; + + libgamma::method_capabilities(&caps, method); + std::cout << "crtc_information: " << caps.crtc_information << std::endl; + std::cout << "default_site_known: " << caps.default_site_known << std::endl; + std::cout << "multiple_sites: " << caps.multiple_sites << std::endl; + std::cout << "multiple_partitions: " << caps.multiple_partitions << std::endl; + std::cout << "multiple_crtcs: " << caps.multiple_crtcs << std::endl; + std::cout << "partitions_are_graphics_cards: " << caps.partitions_are_graphics_cards << std::endl; + std::cout << "site_restore: " << caps.site_restore << std::endl; + std::cout << "partition_restore: " << caps.partition_restore << std::endl; + std::cout << "crtc_restore: " << caps.crtc_restore << std::endl; + std::cout << "identical_gamma_sizes: " << caps.identical_gamma_sizes << std::endl; + std::cout << "fixed_gamma_size: " << caps.fixed_gamma_size << std::endl; + std::cout << "fixed_gamma_depth: " << caps.fixed_gamma_depth << std::endl; + std::cout << "real: " << caps.real << std::endl; + std::cout << "fake: " << caps.fake << std::endl; + std::cout << std::endl; + + std::cout << libgamma::group_gid << std::endl; + libgamma::group_gid = 10; + std::cout << libgamma::group_gid << std::endl; + std::cout << std::endl; + + if (libgamma::group_name == nullptr) + std::cout << "(nullptr)" << std::endl; + else + std::cout << libgamma::group_name << std::endl; + libgamma::group_name = "test-group"; + if (libgamma::group_name == nullptr) + std::cout << "(nullptr)" << std::endl; + else + std::cout << libgamma::group_name << std::endl; + std::cout << std::endl; + + ramps = libgamma::gamma_ramps16_create(info.red_gamma_size, info.green_gamma_size, info.blue_gamma_size); + std::cout << ramps->red.size << " " + << ramps->green.size << " " + << ramps->blue.size << std::endl; + std::cout << ramps->depth << std::endl; + std::cout << std::endl; + + saved_red = new uint16_t[ramps->red.size]; + saved_green = new uint16_t[ramps->green.size]; + saved_blue = new uint16_t[ramps->blue.size]; + + crtc->get_gamma(ramps); + + for (i = 0; i < ramps->red.size; i++) { + std::cout << ramps->red[i] << " "; + saved_red[i] = ramps->red[i]; + ramps->red[i] /= 2; + } + std::cout << std::endl; + std::cout << std::endl; + + for (i = 0; i < ramps->green.size; i++) { + std::cout << ramps->green[i] << " "; + saved_green[i] = ramps->green[i]; + ramps->green[i] /= 2; + } + std::cout << std::endl; + std::cout << std::endl; + for (i = 0; i < ramps->blue.size; i++) { + std::cout << ramps->blue[i] << " "; + saved_blue[i] = ramps->blue[i]; + ramps->blue[i] /= 2; + } + std::cout << std::endl; + std::cout << std::endl; + + crtc->set_gamma(ramps); + + sleep(1); + + for (i = 0; i < ramps->red.size; i++) + ramps->red[i] = saved_red[i]; + for (i = 0; i < ramps->green.size; i++) + ramps->green[i] = saved_green[i]; + for (i = 0; i < ramps->blue.size; i++) + ramps->blue[i] = saved_blue[i]; + + crtc->set_gamma(ramps); + + delete[] saved_red; + delete[] saved_green; + delete[] saved_blue; + delete ramps; + + sleep(1); + + ramps = new libgamma::GammaRamps<uint16_t>(); + libgamma::gamma_ramps16_initialise(ramps, info.red_gamma_size, info.green_gamma_size, info.blue_gamma_size); + std::cout << ramps->red.size << " " + << ramps->green.size << " " + << ramps->blue.size << std::endl; + std::cout << ramps->depth << std::endl; + std::cout << std::endl; + + saved_red = new uint16_t[ramps->red.size]; + saved_green = new uint16_t[ramps->green.size]; + saved_blue = new uint16_t[ramps->blue.size]; + + crtc->get_gamma(ramps); + + for (i = 0; i < ramps->red.size; i++) { + std::cout << ramps->red[i] << " "; + saved_red[i] = ramps->red[i]; + ramps->red[i] /= 2; + } + std::cout << std::endl; + std::cout << std::endl; + + for (i = 0; i < ramps->green.size; i++) { + std::cout << ramps->green[i] << " "; + saved_green[i] = ramps->green[i]; + ramps->green[i] /= 2; + } + std::cout << std::endl; + std::cout << std::endl; + + for (i = 0; i < ramps->blue.size; i++) { + std::cout << ramps->blue[i] << " "; + saved_blue[i] = ramps->blue[i]; + ramps->blue[i] /= 2; + } + std::cout << std::endl; + std::cout << std::endl; + + crtc->set_gamma(ramps); + + sleep(1); + + for (i = 0; i < ramps->red.size; i++) + ramps->red[i] = saved_red[i]; + for (i = 0; i < ramps->green.size; i++) + ramps->green[i] = saved_green[i]; + for (i = 0; i < ramps->blue.size; i++) + ramps->blue[i] = saved_blue[i]; + + crtc->set_gamma(ramps); + + delete[] saved_red; + delete[] saved_green; + delete[] saved_blue; + delete ramps; + + delete crtc; + delete partition; + delete site; + + try { + throw libgamma::create_error(EIO); + } catch (const libgamma::LibgammaException &err) { + std::cout << err.what() << std::endl; + } + try { + throw libgamma::create_error(LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD); + } catch (const libgamma::LibgammaException &err) { + std::cout << err.what() << std::endl; + } + + return 0; +} |