2910 * alpha channel.
2911 *
2912 * @return A {@code WritableRaster} containing the image's alpha channel.
2913 *
2914 */
2915 public WritableRaster getAlphaRaster(WritableRaster raster) {
2916 if (hasAlpha() == false) {
2917 return null;
2918 }
2919
2920 int x = raster.getMinX();
2921 int y = raster.getMinY();
2922 int[] band = new int[1];
2923 band[0] = raster.getNumBands() - 1;
2924 return raster.createWritableChild(x, y, raster.getWidth(),
2925 raster.getHeight(), x, y,
2926 band);
2927 }
2928
2929 /**
2930 * Compares this color model with another for equality.
2931 *
2932 * @param obj The object to compare with this color model.
2933 * @return {@code true} if the color model objects are equal,
2934 * {@code false} if they are not.
2935 */
2936 public boolean equals(Object obj) {
2937 if (!super.equals(obj)) {
2938 return false;
2939 }
2940
2941 if (obj.getClass() != getClass()) {
2942 return false;
2943 }
2944
2945 return true;
2946 }
2947
2948 }
|
2910 * alpha channel.
2911 *
2912 * @return A {@code WritableRaster} containing the image's alpha channel.
2913 *
2914 */
2915 public WritableRaster getAlphaRaster(WritableRaster raster) {
2916 if (hasAlpha() == false) {
2917 return null;
2918 }
2919
2920 int x = raster.getMinX();
2921 int y = raster.getMinY();
2922 int[] band = new int[1];
2923 band[0] = raster.getNumBands() - 1;
2924 return raster.createWritableChild(x, y, raster.getWidth(),
2925 raster.getHeight(), x, y,
2926 band);
2927 }
2928
2929 /**
2930 * Tests if the specified {@code Object} is an instance
2931 * of {@code ComponentColorModel} and equals this
2932 * {@code ComponentColorModel}.
2933 * @param obj the {@code Object} to test for equality
2934 * @return {@code true} if the specified {@code Object}
2935 * is an instance of {@code ComponentColorModel} and equals this
2936 * {@code ComponentColorModel}; {@code false} otherwise.
2937 */
2938 @Override
2939 public boolean equals(Object obj) {
2940
2941 ComponentColorModel cm = (ComponentColorModel) obj;
2942 if (this == cm) {
2943 return true;
2944 }
2945
2946 if (!super.equals(obj)) {
2947 return false;
2948 }
2949 return true;
2950 }
2951
2952 /**
2953 * Returns the hash code for this ComponentColorModel.
2954 *
2955 * @return a hash code for this ComponentColorModel.
2956 */
2957 @Override
2958 public int hashCode() {
2959 int hash = 7;
2960 hash = 79 * hash + super.hashCode();
2961 return hash;
2962 }
2963
2964 }
|