Bitblt is not always associated with animation. Text drawing is usually implemented by having precomposed images of the glyphs in the invisible part of video RAM (Random Access Memory) and using the GPU to bitblt them to the onscreen part.
Java methods that do bitblts include Graphics.drawImage ( Image sourceImg, int destx1, int desty1, int destx2, int desty2, int sourcex1, int sourcey1, int sourcex2, int sourcey2, ImageObserver observer /* usually this */) for copying between images or between image and screen and Graphics.copyArea(int x, int y, int width, int height, int dx, int dy) for copying regions within an image or from one place on the screen to another. And finally, to capture the screen an as Image, use java.awt.Robot.createScreenCapture Graphics.drawImage will scale if the source and destination rectangles are not the same size. Graphics.copyArea can’t deal with a partially obscured component. The runtime will schedule a complete repaint in that case. Instead of using the repaint mechanism, you can use Component.getGraphics to handle your animation changes.
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