C++ (Cpp) iluSwapColours Examples

Example #1

File: devil_cpp_wrapper.hpp Project: LaoZhongGu/RushGame

ILboolean ilImage::SwapColours()
{
	if (this->Id) {
		this->Bind();
		return iluSwapColours();
	}
	return IL_FALSE;
}

Example #2

File: ilut_allegro.c Project: jitrc/p3d

// Does not account for converting luminance...
BITMAP* ILAPIENTRY ilutConvertToAlleg(PALETTE Pal)
{
	BITMAP *Bitmap;
	ILimage *TempImage;
	ILuint i = 0, j = 0;

	ilutCurImage = ilGetCurImage();

	if (ilutCurImage == NULL) {
		ilSetError(ILUT_ILLEGAL_OPERATION);
		return NULL;
	}

	// Should be IL_BGR(A), but Djgpp screws up somewhere along the line.
	if (ilutCurImage->Format == IL_RGB || ilutCurImage->Format == IL_RGBA) {
		iluSwapColours();
	}

	if (ilutCurImage->Origin == IL_ORIGIN_LOWER_LEFT)
		iluFlipImage();
	if (ilutCurImage->Type > IL_UNSIGNED_BYTE) {}  // Can't do anything about this right now...
	if (ilutCurImage->Type == IL_BYTE) {}  // Can't do anything about this right now...

	Bitmap = create_bitmap_ex(ilutCurImage->Bpp * 8, ilutCurImage->Width, ilutCurImage->Height);
	if (Bitmap == NULL) {
		return IL_FALSE;
	}
	memcpy(Bitmap->dat, ilutCurImage->Data, ilutCurImage->SizeOfData);

	// Should we make this toggleable?
	if (ilutCurImage->Bpp == 8 && ilutCurImage->Pal.PalType != IL_PAL_NONE) {
		// Use the image's palette if there is one

		// ilConvertPal is destructive to the original image
		// @TODO:  Use new ilCopyPal!!!
		TempImage = ilNewImage(ilutCurImage->Width, ilutCurImage->Height, ilutCurImage->Depth, ilutCurImage->Bpp, 1);
		ilCopyImageAttr(TempImage, ilutCurImage);
		ilSetCurImage(TempImage);

		if (!ilConvertPal(IL_PAL_RGB24)) {
			destroy_bitmap(Bitmap);
			ilSetError(ILUT_ILLEGAL_OPERATION);
			return NULL;
		}

		for (; i < ilutCurImage->Pal.PalSize && i < 768; i += 3, j++) {
			Pal[j].r = TempImage->Pal.Palette[i+0];
			Pal[j].g = TempImage->Pal.Palette[i+1];
			Pal[j].b = TempImage->Pal.Palette[i+2];
			Pal[j].filler = 255;
		}

		ilCloseImage(TempImage);
		ilSetCurImage(ilutCurImage);
	}

	return Bitmap;
}

Example #3

File: ilut_sdlsurface.c Project: jitrc/p3d

// Does not account for converting luminance...
SDL_Surface * ILAPIENTRY ilutConvertToSDLSurface(unsigned int flags)
{
	SDL_Surface *Bitmap;
	ILuint	i = 0, Pad, BppPal;
	ILubyte	*Dest;

	ilutCurImage = ilGetCurImage();
	if (ilutCurImage == NULL) {
		ilSetError(ILUT_ILLEGAL_OPERATION);
		return NULL;
	}

	InitSDL();

	// Should be IL_BGR(A).
	if (ilutCurImage->Format == IL_RGB || ilutCurImage->Format == IL_RGBA) {
		if (!isBigEndian)
			iluSwapColours();
	}

	if (ilutCurImage->Origin == IL_ORIGIN_LOWER_LEFT)
		iluFlipImage();
	if (ilutCurImage->Type > IL_UNSIGNED_BYTE) {}  // Can't do anything about this right now...
	if (ilutCurImage->Type == IL_BYTE) {}  // Can't do anything about this right now...

	Bitmap = SDL_CreateRGBSurface(flags,ilutCurImage->Width,ilutCurImage->Height,ilutCurImage->Bpp * 8,
					rmask,gmask,bmask,amask);

	if (Bitmap == NULL) {
		return IL_FALSE;
	}

	if (SDL_MUSTLOCK(Bitmap))
		SDL_LockSurface(Bitmap);

	Pad = Bitmap->pitch - ilutCurImage->Bps;
	if (Pad == 0) {
		memcpy(Bitmap->pixels, ilutCurImage->Data, ilutCurImage->SizeOfData);
	}
	else {  // Must pad the lines on some images.
		Dest = Bitmap->pixels;
		for (i = 0; i < ilutCurImage->Height; i++) {
			memcpy(Dest, ilutCurImage->Data + i * ilutCurImage->Bps, ilutCurImage->Bps);
			imemclear(Dest + ilutCurImage->Bps, Pad);
			Dest += Bitmap->pitch;
		}
	}

	if (SDL_MUSTLOCK(Bitmap))
		SDL_UnlockSurface(Bitmap);

	if (ilutCurImage->Bpp == 1) {
		BppPal = ilGetBppPal(ilutCurImage->Pal.PalType);
		switch (ilutCurImage->Pal.PalType)
		{
			case IL_PAL_RGB24:
			case IL_PAL_RGB32:
			case IL_PAL_RGBA32:
				for (i = 0; i < ilutCurImage->Pal.PalSize / BppPal; i++) {
					(Bitmap->format)->palette->colors[i].r = ilutCurImage->Pal.Palette[i*BppPal+0];
					(Bitmap->format)->palette->colors[i].g = ilutCurImage->Pal.Palette[i*BppPal+1];
					(Bitmap->format)->palette->colors[i].b = ilutCurImage->Pal.Palette[i*BppPal+2];
					(Bitmap->format)->palette->colors[i].unused = 255;
				}
				break;
			case IL_PAL_BGR24:
			case IL_PAL_BGR32:
			case IL_PAL_BGRA32:
				for (i = 0; i < ilutCurImage->Pal.PalSize / BppPal; i++) {
					(Bitmap->format)->palette->colors[i].b = ilutCurImage->Pal.Palette[i*BppPal+0];
					(Bitmap->format)->palette->colors[i].g = ilutCurImage->Pal.Palette[i*BppPal+1];
					(Bitmap->format)->palette->colors[i].r = ilutCurImage->Pal.Palette[i*BppPal+2];
					(Bitmap->format)->palette->colors[i].unused = 255;
				}
				break;
			default:
				ilSetError(IL_INTERNAL_ERROR);  // Do anything else?
		}
	}

	return Bitmap;
}