pandory500/SDL-mirror
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Gamma support is back!

Browse source 
New API functions:
	SDL_SetWindowBrightness()
	SDL_GetWindowBrightness()
	SDL_SetWindowGammaRamp()
	SDL_GetWindowGammaRamp()
	SDL_CalculateGammaRamp()
This commit is contained in:
Sam Lantinga 2011-03-11 08:49:20 -08:00
parent 2f6aa755d6
commit 7dd0385c57
21 changed files with 703 additions and 26 deletions
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2
src/video/windows/SDL_windowsvideo.c
View file

@ -125,6 +125,8 @@ WIN_CreateDevice(int devindex)
device->MinimizeWindow = WIN_MinimizeWindow;
device->RestoreWindow = WIN_RestoreWindow;
device->SetWindowFullscreen = WIN_SetWindowFullscreen;
device->SetWindowGammaRamp = WIN_SetWindowGammaRamp;
device->GetWindowGammaRamp = WIN_GetWindowGammaRamp;
device->SetWindowGrab = WIN_SetWindowGrab;
device->DestroyWindow = WIN_DestroyWindow;
device->GetWindowWMInfo = WIN_GetWindowWMInfo;

48
src/video/windows/SDL_windowswindow.c
View file

@ -571,6 +571,54 @@ WIN_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display,
SetWindowPos(hwnd, top, x, y, w, h, SWP_NOCOPYBITS);
}
int
WIN_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp)
{
#ifdef _WIN32_WCE
SDL_Unsupported();
return -1;
#else
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;
HDC hdc;
BOOL succeeded = FALSE;
hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);
if (hdc) {
succeeded = SetDeviceGammaRamp(hdc, (LPVOID)ramp);
if (!succeeded) {
WIN_SetError("SetDeviceGammaRamp()");
}
DeleteDC(hdc);
}
return succeeded ? 0 : -1;
#endif
}
int
WIN_GetWindowGammaRamp(_THIS, SDL_Window * window, Uint16 * ramp)
{
#ifdef _WIN32_WCE
SDL_Unsupported();
return -1;
#else
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;
HDC hdc;
BOOL succeeded = FALSE;
hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);
if (hdc) {
succeeded = GetDeviceGammaRamp(hdc, (LPVOID)ramp);
if (!succeeded) {
WIN_SetError("GetDeviceGammaRamp()");
}
DeleteDC(hdc);
}
return succeeded ? 0 : -1;
#endif
}
void
WIN_SetWindowGrab(_THIS, SDL_Window * window)
{

2
src/video/windows/SDL_windowswindow.h
View file

@ -59,6 +59,8 @@ extern void WIN_MaximizeWindow(_THIS, SDL_Window * window);
extern void WIN_MinimizeWindow(_THIS, SDL_Window * window);
extern void WIN_RestoreWindow(_THIS, SDL_Window * window);
extern void WIN_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen);
extern int WIN_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp);
extern int WIN_GetWindowGammaRamp(_THIS, SDL_Window * window, Uint16 * ramp);
extern void WIN_SetWindowGrab(_THIS, SDL_Window * window);
extern void WIN_DestroyWindow(_THIS, SDL_Window * window);
extern SDL_bool WIN_GetWindowWMInfo(_THIS, SDL_Window * window,