Mercurial > hg > openjdk > aarch64-port > jdk
changeset 993:b02162077f24
6800846: REGRESSION: Printing quality degraded with Java 6 compared to 5.0
Reviewed-by: igor, prr
author | bae |
---|---|
date | Fri, 06 Feb 2009 20:49:53 +0300 |
parents | e0a9038939ee |
children | ff2afd0551c9 |
files | src/share/native/sun/awt/image/dither.c test/sun/awt/image/DrawByteBinary.java |
diffstat | 2 files changed, 81 insertions(+), 5 deletions(-) [+] |
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--- a/src/share/native/sun/awt/image/dither.c Wed Feb 04 14:06:18 2009 +0300 +++ b/src/share/native/sun/awt/image/dither.c Fri Feb 06 20:49:53 2009 +0300 @@ -169,6 +169,7 @@ int cubesize = cube_dim * cube_dim * cube_dim; unsigned char *useFlags; unsigned char *newILut = (unsigned char*)malloc(cubesize); + int cmap_mid = (cmap_len >> 1) + (cmap_len & 0x1); if (newILut) { useFlags = (unsigned char *)calloc(cubesize, 1); @@ -188,7 +189,7 @@ currentState.iLUT = newILut; currentState.rgb = (unsigned short *) - malloc(256 * sizeof(unsigned short)); + malloc(cmap_len * sizeof(unsigned short)); if (currentState.rgb == NULL) { free(newILut); free(useFlags); @@ -199,7 +200,7 @@ } currentState.indices = (unsigned char *) - malloc(256 * sizeof(unsigned char)); + malloc(cmap_len * sizeof(unsigned char)); if (currentState.indices == NULL) { free(currentState.rgb); free(newILut); @@ -210,18 +211,18 @@ return NULL; } - for (i = 0; i < 128; i++) { + for (i = 0; i < cmap_mid; i++) { unsigned short rgb; int pixel = cmap[i]; rgb = (pixel & 0x00f80000) >> 9; rgb |= (pixel & 0x0000f800) >> 6; rgb |= (pixel & 0xf8) >> 3; INSERTNEW(currentState, rgb, i); - pixel = cmap[255-i]; + pixel = cmap[cmap_len - i - 1]; rgb = (pixel & 0x00f80000) >> 9; rgb |= (pixel & 0x0000f800) >> 6; rgb |= (pixel & 0xf8) >> 3; - INSERTNEW(currentState, rgb, 255-i); + INSERTNEW(currentState, rgb, cmap_len - i - 1); } if (!recurseLevel(¤tState)) {
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/sun/awt/image/DrawByteBinary.java Fri Feb 06 20:49:53 2009 +0300 @@ -0,0 +1,75 @@ +/* + * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/** + * @test + * @bug 6800846 + * + * @summary Test verifes that images with short palette are rendered + * withourt artifacts. + * + * @run main DrawByteBinary + */ + + +import java.awt.*; +import java.awt.color.*; +import java.awt.image.*; +import static java.awt.image.BufferedImage.*; + + +public class DrawByteBinary { + + public static void main(String args[]) { + int w = 100, h = 30; + int x = 10; + byte[] arr = {(byte)0xff, (byte)0x0, (byte)0x00}; + + IndexColorModel newCM = new IndexColorModel(1, 2, arr, arr, arr); + BufferedImage orig = new BufferedImage(w, h, TYPE_BYTE_BINARY, newCM); + Graphics2D g2d = orig.createGraphics(); + g2d.setColor(Color.white); + g2d.fillRect(0, 0, w, h); + g2d.setColor(Color.black); + g2d.drawLine(x, 0, x, h); + g2d.dispose(); + + IndexColorModel origCM = (IndexColorModel)orig.getColorModel(); + BufferedImage test = new BufferedImage(w, h, TYPE_BYTE_BINARY,origCM); + g2d = test.createGraphics(); + g2d.drawImage(orig, 0, 0, null); + g2d.dispose(); + + int y = h / 2; + + // we expect white color outside the line + if (test.getRGB(x - 1, y) != 0xffffffff) { + throw new RuntimeException("Invalid color outside the line."); + } + + // we expect black color on the line + if (test.getRGB(x, y) != 0xff000000) { + throw new RuntimeException("Invalid color on the line."); + } + } +}