diff options
Diffstat (limited to 'src/gamma-w32-gdi.c')
| -rw-r--r-- | src/gamma-w32-gdi.c | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/src/gamma-w32-gdi.c b/src/gamma-w32-gdi.c index e6155a8..a1d8ffe 100644 --- a/src/gamma-w32-gdi.c +++ b/src/gamma-w32-gdi.c @@ -1,4 +1,4 @@ -x/** +/** * libgamma — Display server abstraction layer for gamma ramp adjustments * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) * @@ -27,12 +27,14 @@ x/** # define WINVER 0x0500 #endif #ifdef FAKE_GAMMA_METHOD_W32_GDI -# include "fake-w32-gdi.h" +# include "fake-w32-gdi.h" #else -# include <windows.h> -# include <wingdi.h> +# include <windows.h> +# include <wingdi.h> #endif +#include <errno.h> + #define GAMMA_RAMP_SIZE 256 @@ -46,7 +48,7 @@ void libgamma_w32_gdi_method_capabilities(libgamma_method_capabilities_t* restri this->crtc_information = CRTC_INFO_GAMMA_SIZE | CRTC_INFO_GAMMA_DEPTH | CRTC_INFO_GAMMA_SUPPORT; - this->default_site_known = NULL; + this->default_site_known = 1; this->multiple_sites = 0; this->multiple_partitions = 0; this->multiple_crtcs = 1; @@ -133,6 +135,7 @@ int libgamma_w32_gdi_site_restore(libgamma_site_state_t* restrict this) int libgamma_w32_gdi_partition_initialise(libgamma_partition_state_t* restrict this, libgamma_site_state_t* restrict site, size_t partition) { + DWORD n = 0; DISPLAY_DEVICE display; (void) site; @@ -140,16 +143,11 @@ int libgamma_w32_gdi_partition_initialise(libgamma_partition_state_t* restrict t if (partition != 0) return LIBGAMMA_NO_SUCH_PARTITION; - this->crtcs_available = 0; display.cb = sizeof(DISPLAY_DEVICE); - for (;;) - { - if (!EnumDisplayDevices(NULL, this->crtcs_available, &display, 0)) - break; - this->crtcs_available++; - if (this->crtcs_available == 0) - return LIBGAMMA_IMPOSSIBLE_AMOUNT; - } + while (EnumDisplayDevices(NULL, n, &display, 0)) + if (n++, n == 0) + return LIBGAMMA_IMPOSSIBLE_AMOUNT; + this->crtcs_available = (size_t)n; return 0; } @@ -199,7 +197,7 @@ int libgamma_w32_gdi_crtc_initialise(libgamma_crtc_state_t* restrict this, this->data = NULL; display.cb = sizeof(DISPLAY_DEVICE); - if (!EnumDisplayDevices(NULL, crtc, &display, 0)) + if (!EnumDisplayDevices(NULL, (DWORD)crtc, &display, 0)) return LIBGAMMA_NO_SUCH_CRTC; if (!(display.StateFlags & DISPLAY_DEVICE_ACTIVE)) return LIBGAMMA_CONNECTOR_DISABLED; @@ -256,14 +254,14 @@ int libgamma_w32_gdi_get_crtc_information(libgamma_crtc_information_t* restrict this->height_mm_error = _E(CRTC_INFO_HEIGHT_MM); this->width_mm_edid_error = _E(CRTC_INFO_WIDTH_MM_EDID); this->height_mm_edid_error = _E(CRTC_INFO_HEIGHT_MM_EDID); - this->red_gamma_size = GAMMA_SIZE; - this->green_gamma_size = GAMMA_SIZE; - this->blue_gamma_size = GAMMA_SIZE; + this->red_gamma_size = GAMMA_RAMP_SIZE; + this->green_gamma_size = GAMMA_RAMP_SIZE; + this->blue_gamma_size = GAMMA_RAMP_SIZE; this->gamma_size_error = 0; this->gamma_depth = 16; this->gamma_depth_error = 0; if ((fields & CRTC_INFO_GAMMA_SUPPORT)) - this->gamma_support = GetDeviceCaps(hDC, COLORMGMTCAPS) == CM_GAMMA_RAMP; + this->gamma_support = GetDeviceCaps(crtc->data, COLORMGMTCAPS) == CM_GAMMA_RAMP; this->gamma_support_error = 0; this->subpixel_order_error = _E(CRTC_INFO_SUBPIXEL_ORDER); this->active_error = _E(CRTC_INFO_ACTIVE); |