SamePackingTypeTest.java 文件源码

private static void doTest(BufferedImageOp op, int stype, int dtype) {
    final int size = 100;

    final BufferedImage src = new BufferedImage(size, size, stype);
    Graphics2D g = src.createGraphics();
    g.setColor(Color.red);
    g.fillRect(0, 0, size, size);
    g.dispose();


    final BufferedImage dst = new BufferedImage(size, size, dtype);
    g = dst.createGraphics();
    g.setColor(Color.blue);
    g.fillRect(0, 0, size, size);
    g.dispose();

    op.filter(src, dst);

    final int rgb = dst.getRGB(size - 1, size - 1);
    System.out.printf("dst: 0x%X ", rgb);

    if (rgb != 0xFFFF0000) {
        throw new RuntimeException(String.format("Wrong color in dst: 0x%X", rgb));
    }
}