Method draw

Source/Surface.cpp:207–243

* Draw the Surface Buffer to SDLSurface, using the surface palette */

 * Draw the Surface Buffer to SDLSurface, using the surface palette
 */
void cSurface::draw(const int16 pSkipX, const int16 pSkipY) {
	if (mIsLoadedImage)
		return;

	const uint8_t* bufferCurrent = mSurfaceBuffer;
	const uint8_t* const bufferEnd = mSurfaceBuffer + mSurfaceBufferSize;
	uint32_t* bufferTarget = reinterpret_cast<uint32_t*>(mSDLSurface->pixels);
	const int width = mSDLSurface->w, height = mSDLSurface->h;

	clearSDLSurface(0);

	// Skip 'skipY' rows of pixels
	bufferCurrent += width * pSkipY;
	bufferTarget += width * pSkipY;

	for (int y = pSkipY; y < height; ++y) {
		// Skip first 'skipX' pixels
		bufferCurrent += pSkipX;
		bufferTarget += pSkipX;

		// Process remaining pixels
		for (int x = pSkipX; x < width; ++x) {
			if (bufferCurrent >= bufferEnd) break;

			uint8_t currentPixel = *bufferCurrent++;
			if (currentPixel) {
				*bufferTarget = (currentPixel < g_MaxColors) ? mPaletteSDL[currentPixel] : 0;
			}

			++bufferTarget;
		}
	}

	if (mTexture) {
		SDL_UpdateTexture(mTexture, NULL, mSDLSurface->pixels, mSDLSurface->pitch);
	}
}

void cSurface::copyFrom(const cSurface* pFrom) {