116 lines
3.8 KiB
Java
116 lines
3.8 KiB
Java
/*
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8015606 8220150
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* @summary Test verifies whether a text is rendered correctly to
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* a custom buffered image.
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*
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* @run main RenderToCustomBufferTest
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*/
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import java.awt.Color;
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import java.awt.Font;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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import java.awt.Transparency;
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import java.awt.color.ColorSpace;
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import java.awt.image.BufferedImage;
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import java.awt.image.ColorModel;
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import java.awt.image.ComponentColorModel;
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import java.awt.image.DataBuffer;
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import java.awt.image.WritableRaster;
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public class RenderToCustomBufferTest {
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public static void main(String[] args) {
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final BufferedImage dst_custom = createCustomBuffer();
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final BufferedImage dst_dcm = new BufferedImage(width, height,
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BufferedImage.TYPE_INT_RGB);
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renderTo(dst_custom);
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renderTo(dst_dcm);
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check(dst_custom, dst_dcm);
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}
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private static void check(BufferedImage a, BufferedImage b) {
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for (int y = 0; y < height; y++) {
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for (int x = 0; x < width; x++) {
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int pa = a.getRGB(x, y);
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int pb = b.getRGB(x, y);
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if (pa != pb) {
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String msg = String.format(
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"Point [%d, %d] has different colors: %08X and %08X",
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x, y, pa, pb);
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throw new RuntimeException("Test failed: " + msg);
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}
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}
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}
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}
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private static BufferedImage createCustomBuffer() {
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ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
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ColorModel cm = new ComponentColorModel(cs, false, false,
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Transparency.OPAQUE, DataBuffer.TYPE_FLOAT);
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WritableRaster wr = cm.createCompatibleWritableRaster(width, height);
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return new BufferedImage(cm, wr, false, null);
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}
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private static void renderTo(BufferedImage dst) {
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System.out.println("The buffer: " + dst);
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Graphics2D g = dst.createGraphics();
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final int w = dst.getWidth();
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final int h = dst.getHeight();
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g.setColor(Color.blue);
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g.fillRect(0, 0, w, h);
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g.setColor(Color.red);
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Font f = g.getFont();
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g.setFont(f.deriveFont(48f));
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g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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// NB: this clip ctriggers the problem
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g.setClip(50, 50, 200, 100);
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g.drawString("AA Text", 52, 90);
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g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
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// NB: this clip ctriggers the problem
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g.setClip(50, 100, 100, 100);
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g.drawString("Text", 52, 148);
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g.dispose();
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}
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private static final int width = 230;
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private static final int height = 150;
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}
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