C++ (Cpp) DIB_CheckGamma Examples

Example #1

File: SDL_dibvideo.c Project: Goettsch/game-editor

int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
#ifndef NO_CHANGEDISPLAYSETTINGS
	int i;
	DEVMODE settings;
#endif

	for ( i=0; i<NUM_MODELISTS; ++i ) //maks
	{
		SDL_modelist[i] = NULL;
	}

	/* Create the window */
	if ( DIB_CreateWindow(this) < 0 ) {
		return(-1);
	}
#ifndef DISABLE_AUDIO
	DX5_SoundFocus(SDL_Window);
#endif

	/* Determine the screen depth */
	vformat->BitsPerPixel = DIB_SussScreenDepth();
	switch (vformat->BitsPerPixel) {
		case 15:
			vformat->Rmask = 0x00007c00;
			vformat->Gmask = 0x000003e0;
			vformat->Bmask = 0x0000001f;
			vformat->BitsPerPixel = 16;
			break;
		case 16:
			vformat->Rmask = 0x0000f800;
			vformat->Gmask = 0x000007e0;
			vformat->Bmask = 0x0000001f;
			break;
		case 24:
		case 32:
			/* GDI defined as 8-8-8 */
			vformat->Rmask = 0x00ff0000;
			vformat->Gmask = 0x0000ff00;
			vformat->Bmask = 0x000000ff;
			break;
		default:
			break;
	}

	/* See if gamma is supported on this screen */
	DIB_CheckGamma(this);

#ifndef NO_CHANGEDISPLAYSETTINGS
	/* Query for the list of available video modes */
	for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) {
		DIB_AddMode(this, settings.dmBitsPerPel,
			settings.dmPelsWidth, settings.dmPelsHeight);
	}
	/* Sort the mode lists */
	for ( i=0; i<NUM_MODELISTS; ++i ) {
		if ( SDL_nummodes[i] > 0 ) {
			qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes);
		}
	}
#endif /* !NO_CHANGEDISPLAYSETTINGS */

	/* Grab an identity palette if we are in a palettized mode */
	if ( vformat->BitsPerPixel <= 8 ) {
	/*	RJR: March 28, 2000
		moved palette creation to "DIB_CreatePalette" */
		screen_pal = DIB_CreatePalette(vformat->BitsPerPixel);
	}

	/* Fill in some window manager capabilities */
	this->info.wm_available = 1;

	/* We're done! */
	return(0);
}

Example #2

File: SDL_dibvideo.c Project: flwh/Alcatel_OT_985_kernel

int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
	const char *env = NULL;
#ifndef NO_CHANGEDISPLAYSETTINGS
	int i;
	DEVMODE settings;
#endif

	/* Create the window */
	if ( DIB_CreateWindow(this) < 0 ) {
		return(-1);
	}

#if !SDL_AUDIO_DISABLED
	DX5_SoundFocus(SDL_Window);
#endif

	/* Determine the screen depth */
	vformat->BitsPerPixel = DIB_SussScreenDepth();
	switch (vformat->BitsPerPixel) {
		case 15:
			vformat->Rmask = 0x00007c00;
			vformat->Gmask = 0x000003e0;
			vformat->Bmask = 0x0000001f;
			vformat->BitsPerPixel = 16;
			break;
		case 16:
			vformat->Rmask = 0x0000f800;
			vformat->Gmask = 0x000007e0;
			vformat->Bmask = 0x0000001f;
			break;
		case 24:
		case 32:
			/* GDI defined as 8-8-8 */
			vformat->Rmask = 0x00ff0000;
			vformat->Gmask = 0x0000ff00;
			vformat->Bmask = 0x000000ff;
			break;
		default:
			break;
	}

	/* See if gamma is supported on this screen */
	DIB_CheckGamma(this);

#ifndef NO_CHANGEDISPLAYSETTINGS

	settings.dmSize = sizeof(DEVMODE);
	settings.dmDriverExtra = 0;
#ifdef _WIN32_WCE
	settings.dmFields = DM_DISPLAYQUERYORIENTATION;
	this->hidden->supportRotation = ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL) == DISP_CHANGE_SUCCESSFUL;
#endif
	/* Query for the desktop resolution */
	EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &SDL_desktop_mode);
	this->info.current_w = SDL_desktop_mode.dmPelsWidth;
	this->info.current_h = SDL_desktop_mode.dmPelsHeight;

	/* Query for the list of available video modes */
	for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) {
		DIB_AddMode(this, settings.dmBitsPerPel,
			settings.dmPelsWidth, settings.dmPelsHeight);
#ifdef _WIN32_WCE
		if( this->hidden->supportRotation )
			DIB_AddMode(this, settings.dmBitsPerPel,
				settings.dmPelsHeight, settings.dmPelsWidth);
#endif
	}
	/* Sort the mode lists */
	for ( i=0; i<NUM_MODELISTS; ++i ) {
		if ( SDL_nummodes[i] > 0 ) {
			SDL_qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes);
		}
	}
#else
	// WinCE and fullscreen mode:
	// We use only vformat->BitsPerPixel that allow SDL to
	// emulate other bpp (8, 32) and use triple buffer,
	// because SDL surface conversion is much faster than the WinCE one.
	// Although it should be tested on devices with graphics accelerator.

	DIB_AddMode(this, vformat->BitsPerPixel,
			GetDeviceCaps(GetDC(NULL), HORZRES),
			GetDeviceCaps(GetDC(NULL), VERTRES));

#endif /* !NO_CHANGEDISPLAYSETTINGS */

	/* Grab an identity palette if we are in a palettized mode */
	if ( vformat->BitsPerPixel <= 8 ) {
	/*	RJR: March 28, 2000
		moved palette creation to "DIB_CreatePalette" */
		DIB_CreatePalette(this, vformat->BitsPerPixel);
	}

	/* Fill in some window manager capabilities */
	this->info.wm_available = 1;

#ifdef _WIN32_WCE
	this->hidden->origRotation = -1;
#endif

	/* Allow environment override of screensaver disable. */
	env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER");
	this->hidden->allow_screensaver = ( (env && SDL_atoi(env)) ? 1 : 0 );

	/* We're done! */
	return(0);
}