Function GetDataFromBitmap

src/windows/WinUtils.cpp:1274–1322

}

bool GetDataFromBitmap(HDC hdc, HBITMAP hbm, BYTE*& pBytes, int& width, int& height, int& bpp)
{	
	// Man what the hell
	BITMAP bm;
	BITMAPINFO bmi;

	ZeroMemory(&bm, sizeof bm);
	if (!GetObject(hbm, sizeof bm, &bm)) {
		DbgPrintW("Cannot obtain pointer to bitmap!");
		return false;
	}

	width = bm.bmWidth;
	height = bm.bmHeight;
	bpp = bm.bmBitsPixel;

	ZeroMemory(&bmi, sizeof bmi);
	bmi.bmiHeader.biSize = sizeof bmi.bmiHeader;
	bmi.bmiHeader.biWidth = bm.bmWidth;
	bmi.bmiHeader.biHeight = bm.bmHeight;
	bmi.bmiHeader.biPlanes = 1;
	bmi.bmiHeader.biBitCount = bm.bmBitsPixel;
	bmi.bmiHeader.biCompression = BI_RGB;
	bmi.bmiHeader.biSizeImage = 0;

	int pitch = (((bm.bmWidth * bm.bmBitsPixel) + 31) & ~31) >> 3;

	pBytes = new BYTE[pitch * bm.bmHeight];

	if (!GetDIBits(hdc, hbm, 0, bm.bmHeight, pBytes, &bmi, DIB_RGB_COLORS))
	{
		DbgPrintW("Error, can't get DI bits for bitmap!");
		delete[] pBytes;
		return false;
	}

	// swap in software, because in Windows NT 3.1, using negative height images is glitchy
	for (int y1 = 0, y2 = bm.bmHeight - 1; y1 < y2; y1++, y2--)
	{
		BYTE *scan1 = &pBytes[y1 * pitch], *scan2 = &pBytes[y2 * pitch];
		DWORD *scan1D = (DWORD*) scan1, *scan2D = (DWORD*) scan2;

		for (int x = 0; x * 4 < pitch; x++) {
			std::swap(scan1D[x], scan2D[x]);
		}
	}

	return true;
}

std::string CutOutURLPath(const std::string& url)
{