author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 39056 | jdk/test/java/awt/image/DrawImage/IncorrectUnmanagedImageSourceOffset.java@d99e63b6d962 |
child 58616 | be9ef671a1b6 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2014, 2016, 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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import java.awt.AlphaComposite; |
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import java.awt.Color; |
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import java.awt.Graphics2D; |
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import java.awt.GraphicsConfiguration; |
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import java.awt.GraphicsEnvironment; |
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import java.awt.Image; |
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import java.awt.image.BufferedImage; |
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import java.awt.image.DataBuffer; |
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import java.awt.image.DataBufferByte; |
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import java.awt.image.DataBufferInt; |
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import java.awt.image.DataBufferShort; |
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import java.awt.image.VolatileImage; |
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import java.io.File; |
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import java.io.IOException; |
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import javax.imageio.ImageIO; |
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import static java.awt.Transparency.*; |
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import static java.awt.image.BufferedImage.*; |
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/** |
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* @test |
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* @key headful |
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* @bug 8029253 |
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* @summary Tests asymmetric source offsets when unmanaged image is drawn to VI. |
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* Results of the blit to compatibleImage are used for comparison. |
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* @author Sergey Bylokhov |
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*/ |
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public final class IncorrectUnmanagedImageSourceOffset { |
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private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB, |
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TYPE_INT_ARGB_PRE, TYPE_INT_BGR, |
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TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR, |
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TYPE_4BYTE_ABGR_PRE, |
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/*TYPE_USHORT_565_RGB, |
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TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY, |
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TYPE_USHORT_GRAY,*/ TYPE_BYTE_BINARY, |
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TYPE_BYTE_INDEXED}; |
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private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT}; |
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|
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public static void main(final String[] args) throws IOException { |
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for (final int viType : TRANSPARENCIES) { |
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for (final int biType : TYPES) { |
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BufferedImage bi = makeUnmanagedBI(biType); |
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fill(bi); |
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test(bi, viType); |
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} |
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} |
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} |
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private static void test(BufferedImage bi, int type) |
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throws IOException { |
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GraphicsEnvironment ge = GraphicsEnvironment |
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.getLocalGraphicsEnvironment(); |
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GraphicsConfiguration gc = ge.getDefaultScreenDevice() |
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.getDefaultConfiguration(); |
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VolatileImage vi = gc.createCompatibleVolatileImage(511, 255, type); |
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BufferedImage gold = gc.createCompatibleImage(511, 255, type); |
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// draw to compatible Image |
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Graphics2D big = gold.createGraphics(); |
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// force scaled blit |
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big.drawImage(bi, 7, 11, 127, 111, 7, 11, 127 * 2, 111, null); |
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big.dispose(); |
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// draw to volatile image |
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BufferedImage snapshot; |
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while (true) { |
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vi.validate(gc); |
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if (vi.validate(gc) != VolatileImage.IMAGE_OK) { |
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try { |
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Thread.sleep(100); |
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} catch (final InterruptedException ignored) { |
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} |
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continue; |
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} |
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Graphics2D vig = vi.createGraphics(); |
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// force scaled blit |
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vig.drawImage(bi, 7, 11, 127, 111, 7, 11, 127 * 2, 111, null); |
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vig.dispose(); |
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snapshot = vi.getSnapshot(); |
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if (vi.contentsLost()) { |
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try { |
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Thread.sleep(100); |
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} catch (final InterruptedException ignored) { |
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} |
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continue; |
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} |
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break; |
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} |
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// validate images |
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for (int x = 7; x < 127; ++x) { |
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for (int y = 11; y < 111; ++y) { |
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if (gold.getRGB(x, y) != snapshot.getRGB(x, y)) { |
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ImageIO.write(gold, "png", new File("gold.png")); |
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ImageIO.write(snapshot, "png", new File("bi.png")); |
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throw new RuntimeException("Test failed."); |
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} |
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} |
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} |
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} |
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private static BufferedImage makeUnmanagedBI(final int type) { |
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final BufferedImage bi = new BufferedImage(511, 255, type); |
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final DataBuffer db = bi.getRaster().getDataBuffer(); |
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if (db instanceof DataBufferInt) { |
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((DataBufferInt) db).getData(); |
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129 |
} else if (db instanceof DataBufferShort) { |
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130 |
((DataBufferShort) db).getData(); |
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131 |
} else if (db instanceof DataBufferByte) { |
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132 |
((DataBufferByte) db).getData(); |
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133 |
} else { |
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134 |
try { |
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135 |
bi.setAccelerationPriority(0.0f); |
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136 |
} catch (final Throwable ignored) { |
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137 |
} |
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138 |
} |
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139 |
return bi; |
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140 |
} |
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141 |
|
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142 |
private static void fill(final Image image) { |
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143 |
final Graphics2D graphics = (Graphics2D) image.getGraphics(); |
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144 |
graphics.setComposite(AlphaComposite.Src); |
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for (int i = 0; i < image.getHeight(null); ++i) { |
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graphics.setColor(new Color(i, 0, 0)); |
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graphics.fillRect(0, i, image.getWidth(null), 1); |
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148 |
} |
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149 |
graphics.dispose(); |
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150 |
} |
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151 |
} |