diff --git a/test/jdk/sun/awt/font/TestDevTransform.java b/test/jdk/sun/awt/font/TestDevTransform.java index 035cb0b13d7..2783401c0f2 100644 --- a/test/jdk/sun/awt/font/TestDevTransform.java +++ b/test/jdk/sun/awt/font/TestDevTransform.java @@ -23,7 +23,7 @@ /* * @test - * @bug 4269775 + * @bug 4269775 8341535 * @summary Check that different text rendering APIs agree */ @@ -46,6 +46,8 @@ import java.awt.font.GlyphVector; import java.awt.font.TextLayout; import java.awt.geom.AffineTransform; import java.awt.image.BufferedImage; +import javax.imageio.ImageIO; +import java.io.File; import java.util.HashMap; public class TestDevTransform { @@ -105,17 +107,34 @@ public class TestDevTransform { g2d.setFont(font); } - static void compare(BufferedImage bi1, BufferedImage bi2) { + static void compare(BufferedImage bi1, String name1, BufferedImage bi2, String name2) throws Exception { + int nonWhite1 = 0; + int nonWhite2 = 0; + int differences = 0; + int whitePixel = Color.white.getRGB(); for (int x = 0; x < bi1.getWidth(); x++) { for (int y = 0; y < bi1.getHeight(); y++) { + int pix1 = bi1.getRGB(x, y); + int pix2 = bi2.getRGB(x, y); + if (pix1 != whitePixel) { nonWhite1++; } + if (pix2 != whitePixel) { nonWhite2++; } if (bi1.getRGB(x, y) != bi2.getRGB(x, y)) { - throw new RuntimeException("Different rendering"); + differences++; } } } + int nonWhite = (nonWhite1 < nonWhite2) ? nonWhite1 : nonWhite2; + if (differences > 0 && ((nonWhite / differences) < 20)) { + ImageIO.write(bi1, "png", new File(name1 + ".png")); + ImageIO.write(bi2, "png", new File(name2 + ".png")); + System.err.println("nonWhite image 1 = " + nonWhite1); + System.err.println("nonWhite image 2 = " + nonWhite2); + System.err.println("Number of non-white differing pixels=" + differences); + throw new RuntimeException("Different rendering: " + differences + " pixels differ."); + } } - public static void main(String args[]) { + public static void main(String args[]) throws Exception { BufferedImage tl_Image = new BufferedImage(W, H, BufferedImage.TYPE_INT_RGB); { @@ -149,7 +168,7 @@ public class TestDevTransform { draw(gv_g2d, gv, 10f, 36f, .33f); } - compare(tl_Image, st_Image); - compare(gv_Image, st_Image); + compare(tl_Image, "textlayout", st_Image, "string"); + compare(gv_Image, "glyphvector", st_Image, "string"); } }