diff options
Diffstat (limited to 'src/libgamma-method.hh')
| -rw-r--r-- | src/libgamma-method.hh | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/src/libgamma-method.hh b/src/libgamma-method.hh index 9bec563..aedf6f6 100644 --- a/src/libgamma-method.hh +++ b/src/libgamma-method.hh @@ -20,8 +20,10 @@ #include <string> +#include <cstdlib> #include "libgamma-native.hh" +#include "libgamma-error.hh" namespace libgamma @@ -504,6 +506,145 @@ namespace libgamma #endif /** + * One single Gamma ramp. + */ + template <typename T> + class Ramp + { + public: + /** + * Constructor. + * + * @param ramp The ramp. + * @param size The size of the ramp. + */ + Ramp(T* ramp, size_t size) + { + this->ramp = ramp; + this->size = 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 The red gamma ramp. + * @param green The green gamma ramp. + * @param blue 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 depth The bit-depth of the gamma ramps, -1 for single precision + * floating point, and -2 for double precision floating point. + */ + GammaRamps(T* red, T* green, T* blue, size_t red_size, size_t green_size, size_t blue_size, signed depth) : + red(Ramp<T>(red, red_size)), + green(Ramp<T>(green, green_size)), + blue(Ramp<T>(blue, blue_size)), + depth(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 @@ -690,6 +831,156 @@ namespace libgamma */ bool information(CRTCInformation* output, int32_t fields); +#define __LIBGAMMA_GET_GAMMA(AFFIX) \ + libgamma_gamma_ramps ## AFFIX ## _t native; \ + int r; \ + native.red = ramps->red.ramp; \ + native.green = ramps->green.ramp; \ + native.blue = ramps->blue.ramp; \ + native.red_size = ramps->red.size; \ + native.green_size = ramps->green.size; \ + native.blue_size = ramps->blue.size; \ + r = libgamma_crtc_get_gamma_ramps ## AFFIX(this->native, &native); \ + 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 native; \ + int r; \ + native.red = ramps->red.ramp; \ + native.green = ramps->green.ramp; \ + native.blue = ramps->blue.ramp; \ + native.red_size = ramps->red.size; \ + native.green_size = ramps->green.size; \ + native.blue_size = ramps->blue.size; \ + r = libgamma_crtc_set_gamma_ramps ## AFFIX(this->native, native); \ + 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 + /** |