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while using g.drawImage(img,0,0,100,100,0,0,0,0,null) it does not produce any result?

while开发者_如何转开发 using g.drawImage(img,0,0,100,100,0,0,0,0,null) it does not produce any result. So how to draw on the image in file of a better way?As well as ensuring the image is loaded, the[详细]