import sun.java2d.StateTrackable; //导入依赖的package包/类
public TestSurfaceData(int width, int height, double scale) {
    super(StateTrackable.State.DYNAMIC, SurfaceType.Custom, ColorModel.getRGBdefault());
    this.scale = scale;
    gc = new TestGraphicsConfig(scale);
    this.width = (int) Math.ceil(scale * width);
    this.height = (int) Math.ceil(scale * height);
    buffImage = new BufferedImage(this.width, this.height,
            BufferedImage.TYPE_INT_RGB);

    Graphics imageGraphics = buffImage.createGraphics();
    imageGraphics.setColor(BACKGROUND_COLOR);
    imageGraphics.fillRect(0, 0, this.width, this.height);
    imageGraphics.dispose();
}
 

import sun.java2d.StateTrackable; //导入依赖的package包/类
public TestSurfaceData(int width, int height, double scale) {
    super(StateTrackable.State.DYNAMIC, SurfaceType.Custom, ColorModel.getRGBdefault());
    this.scale = scale;
    gc = new TestGraphicsConfig(scale);
    this.width = (int) Math.ceil(scale * width);
    this.height = (int) Math.ceil(scale * height);
    buffImage = new BufferedImage(this.width, this.height,
            BufferedImage.TYPE_INT_RGB);
}