HighlightFilterpublic class HighlightFilter extends RGBImageFilter | An image filter to highlight an image by brightening or darkening
the pixels in the images. |
| Fields Summary |
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| boolean | brighter | | int | percent |
| Constructors Summary |
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public HighlightFilter(boolean b, int p)
brighter = b;
percent = p;
canFilterIndexColorModel = true;
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| Methods Summary |
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| public int | filterRGB(int x, int y, int rgb)
int r = (rgb >> 16) & 0xff;
int g = (rgb >> 8) & 0xff;
int b = (rgb >> 0) & 0xff;
if (brighter) {
r = (255 - ((255 - r) * (100 - percent) / 100));
g = (255 - ((255 - g) * (100 - percent) / 100));
b = (255 - ((255 - b) * (100 - percent) / 100));
} else {
r = (r * (100 - percent) / 100);
g = (g * (100 - percent) / 100);
b = (b * (100 - percent) / 100);
}
if (r < 0) r = 0;
if (r > 255) r = 255;
if (g < 0) g = 0;
if (g > 255) g = 255;
if (b < 0) b = 0;
if (b > 255) b = 255;
return (rgb & 0xff000000) | (r << 16) | (g << 8) | (b << 0);
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