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* È¡µÃͼÏñÉÏÖ¸¶¨Î»ÖÃÏñËØµÄ rgb ÑÕÉ«·ÖÁ¿¡£
* @param image ԴͼÏñ¡£
* @param x ͼÏñÉÏÖ¸¶¨ÏñËØλÖÃµÄ x ×ø±ê¡£
* @param y ͼÏñÉÏÖ¸¶¨ÏñËØλÖÃµÄ y ×ø±ê¡£
* @return ·µ»Ø°üº¬ rgb ÑÕÉ«·ÖÁ¿ÖµµÄÊý×é¡£ÔªËØ index ÓÉСµ½´ó·Ö±ð¶ÔÓ¦ r£¬g£¬b¡£
*/
public static int [] getRGB(BufferedImage image, int x, int y) {
int [] rgb = null ;
if (image != null && x < image.getWidth() && y < image.getHeight()) {
rgb = new int [ 3 ];
int pixel = image.getRGB(x,y);
rgb[ 0 ] = (pixel & 0xff0000 ) >> 16 ;
rgb[ 1 ] = (pixel & 0xff00 ) >> 8 ;
rgb[ 2 ] = (pixel & 0xff );
}
return rgb;
}
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