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| author | Mattias Andrée <maandree@kth.se> | 2021-03-05 18:23:13 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2021-03-05 18:33:49 +0100 |
| commit | f52513b09580c1533e6c48a4162d3d5f61f3b081 (patch) | |
| tree | 141d0974a777f4ec5b51daed9879a2cb0d781505 /libgamma_w32_gdi_crtc_set_gamma_ramps16.c | |
| parent | Split source files, merge public header files, eliminite use gpp, rewrite makefile (diff) | |
| download | libgamma-f52513b09580c1533e6c48a4162d3d5f61f3b081.tar.gz libgamma-f52513b09580c1533e6c48a4162d3d5f61f3b081.tar.bz2 libgamma-f52513b09580c1533e6c48a4162d3d5f61f3b081.tar.xz | |
misc
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libgamma_w32_gdi_crtc_set_gamma_ramps16.c')
| -rw-r--r-- | libgamma_w32_gdi_crtc_set_gamma_ramps16.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libgamma_w32_gdi_crtc_set_gamma_ramps16.c b/libgamma_w32_gdi_crtc_set_gamma_ramps16.c new file mode 100644 index 0000000..10f7524 --- /dev/null +++ b/libgamma_w32_gdi_crtc_set_gamma_ramps16.c @@ -0,0 +1,27 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +/** + * Set the gamma ramps for a CRTC, 16-bit gamma-depth version + * + * @param this The CRTC state + * @param ramps The gamma ramps to apply + * @return Zero on success, otherwise (negative) the value of an + * error identifier provided by this library + */ +int +libgamma_w32_gdi_crtc_set_gamma_ramps16(libgamma_crtc_state_t *restrict this, const libgamma_gamma_ramps16_t *restrict ramps) +{ +#ifdef DEBUG + /* Windows GDI have fixed gamma ramp sizes */ + if (ramps-> red_size != W32_GDI_GAMMA_RAMP_SIZE || + ramps->green_size != W32_GDI_GAMMA_RAMP_SIZE || + ramps-> blue_size != W32_GDI_GAMMA_RAMP_SIZE) + return LIBGAMMA_WRONG_GAMMA_RAMP_SIZE; +#endif + /* Apply gamma ramps */ + if (!SetDeviceGammaRamp(this->data, ramps->red)) + return LIBGAMMA_GAMMA_RAMP_WRITE_FAILED; + return 0; +} |