69 lines
1.5 KiB
Java
69 lines
1.5 KiB
Java
/*
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* @test %W% %E%
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* @bug 7016495
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* @summary Test tiny scales of BufferedImage
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*/
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import java.awt.*;
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import java.awt.geom.*;
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import java.awt.image.*;
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public class TinyScale {
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static double tinyscales[] = {
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1E-0,
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1E-1,
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1E-2,
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1E-3,
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1E-4,
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1E-5,
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1E-6,
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1E-7,
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1E-8,
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1E-9,
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1E-10,
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1E-11,
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1E-12,
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1E-13,
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1E-14,
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1E-15,
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1E-16,
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1E-17,
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1E-18,
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1E-19,
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1E-20,
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1E-21,
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1E-22,
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1E-23,
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1E-24,
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1E-25,
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1E-26,
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1E-27,
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1E-28,
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1E-29,
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};
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static void test(BufferedImage rendImg, BufferedImage drawImg, double s) {
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Graphics2D g = drawImg.createGraphics();
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g.transform(new AffineTransform(s, 0.0, -1.0, 1.0, 0.0, 0.0));
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g.drawImage(rendImg,
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-rendImg.getWidth() / 2,
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-rendImg.getHeight() / 2,
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null);
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g.drawImage(rendImg, 0, 0, null);
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g.dispose();
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}
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public static void main(String[] args) {
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BufferedImage rendImg =
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new BufferedImage(100, 100, BufferedImage.TYPE_3BYTE_BGR);
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BufferedImage drawImg =
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new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
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for (double s: tinyscales) {
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test(rendImg, drawImg, s);
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for (int i = 0; args.length > 0 && i < 10; i++) {
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test(rendImg, drawImg, Math.random()*s);
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}
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}
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}
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}
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