Function DrawIconInvert

src/windows/WinUtils.cpp:1560–1583

}

void DrawIconInvert(HDC hdc, HICON hIcon, int x, int y, int sizeX, int sizeY, bool invert)
{
	if (!invert) {
		ri::DrawIconEx(hdc, x, y, hIcon, sizeX, sizeY, 0, NULL, DI_NORMAL | DI_COMPAT);
		return;
	}

	HDC hdcMem = CreateCompatibleDC(hdc);
	HBITMAP hbm = CreateCompatibleBitmap(hdc, sizeX, sizeY);
	HGDIOBJ oldObj = SelectObject(hdcMem, hbm);

	// take the contents of the HDC there and invert them.
	BitBlt(hdcMem, 0, 0, sizeX, sizeY, hdc, x, y, NOTSRCCOPY);

	ri::DrawIconEx(hdcMem, 0, 0, hIcon, sizeX, sizeY, 0, NULL, DI_NORMAL | DI_COMPAT);

	// now blit it back out inverted
	BitBlt(hdc, x, y, sizeX, sizeY, hdcMem, 0, 0, NOTSRCCOPY);

	// clean up
	SelectObject(hdcMem, oldObj);
	DeleteBitmap(hbm);
	DeleteDC(hdcMem);
}

// Resizes a transparent image with a transparent color, without looking bad.
// NOTE: Creates a new bitmap.  Make sure to delete the bitmap when done.