如何在Java中获取小程序查看器像素的颜色？

Question

I have drawn any picture, used Graphics 2D. How do I get the colour of a pixel at x, y? getPixelColor don't work, because this method get pixel from screen, not applet viewer coordinates.

Answer 1

1. Draw the picture to the Graphics of a BufferedImage
2. Draw the image to the Graphics2D .
3. To get the color of any pixel, call BufferedImage.getRGB(x,y) or variants (check the docs.).