diff options
Diffstat (limited to 'libgamma-method.cc')
| -rw-r--r-- | libgamma-method.cc | 1013 |
1 files changed, 495 insertions, 518 deletions
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 - } - |