利用 Java 過濾圖像的色彩頻道 (Use Java to filter the color channel of an image)

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1 2	import java.awt.image.BufferedImage; import java.awt.Color;

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public static BufferedImage getColorChannel(BufferedImage source, Color color){     BufferedImage out = new BufferedImage(source.getWidth(), source.getHeight(), source.getType());     for (int i = 0; i < out.getHeight(); i++) {         for (int j = 0; j < out.getWidth(); j++) {             out.setRGB(i, j, (source.getRGB(i, j) & color.getRGB()));         }     }     return out; }

修改前
before


以 getColorChannel(source, Color.RED) 修改後
edit with getColorChannel(source, Color.RED)


以 getColorChannel(source, Color.GREEN) 修改後
edit with getColorChannel(source, Color.GREEN)


以 getColorChannel(source, Color.BLUE) 修改後
edit with getColorChannel(source, Color.BLUE)