1 /*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 import java.awt.Color;
24 import java.awt.Graphics;
25 import java.awt.GraphicsConfiguration;
26 import java.awt.GraphicsDevice;
27 import java.awt.Image;
28 import java.awt.Rectangle;
29 import java.awt.image.BufferedImage;
30 import java.awt.image.BaseMultiResolutionImage;
31 import static java.awt.RenderingHints.KEY_RESOLUTION_VARIANT;
32 import static java.awt.RenderingHints.VALUE_RESOLUTION_VARIANT_BASE;
33 import static java.awt.RenderingHints.VALUE_RESOLUTION_VARIANT_DPI_FIT;
34 import static java.awt.RenderingHints.VALUE_RESOLUTION_VARIANT_SIZE_FIT;
35 import static java.awt.RenderingHints.VALUE_RESOLUTION_VARIANT_DEFAULT;
36 import java.awt.geom.AffineTransform;
37 import java.awt.image.ColorModel;
38 import java.awt.image.Raster;
39 import sun.java2d.StateTrackable;
40 import sun.java2d.SunGraphics2D;
41 import sun.java2d.SurfaceData;
42 import sun.java2d.loops.SurfaceType;
43
44 /**
45 * @test
46 * @bug 8029339
47 * @author Alexander Scherbatiy
48 * @summary Custom MultiResolution image support on HiDPI displays
49 * @modules java.desktop/sun.java2d
50 * @modules java.desktop/sun.java2d.loops
51 * @run main MultiResolutionRenderingHintsTest
52 */
53 public class MultiResolutionRenderingHintsTest {
54
55 private static final int BASE_SIZE = 200;
56 private static final Color[] COLORS = {
57 Color.CYAN, Color.GREEN, Color.BLUE, Color.ORANGE, Color.RED, Color.PINK
58 };
59
60 public static void main(String[] args) throws Exception {
61
62 int length = COLORS.length;
63 BufferedImage[] resolutionVariants = new BufferedImage[length];
64 for (int i = 0; i < length; i++) {
65 resolutionVariants[i] = createRVImage(getSize(i), COLORS[i]);
66 }
67
68 BaseMultiResolutionImage mrImage = new BaseMultiResolutionImage(
69 resolutionVariants);
70
71 // base
72 Color color = getImageColor(VALUE_RESOLUTION_VARIANT_BASE, mrImage, 2, 3);
73 if (!getColorForScale(1).equals(color)) {
74 throw new RuntimeException("Wrong base resolution variant!");
75 }
76
77 // dpi fit
78 color = getImageColor(VALUE_RESOLUTION_VARIANT_DPI_FIT, mrImage, 2, 3);
79 if (!getColorForScale(2).equals(color)) {
80 throw new RuntimeException("Resolution variant is not based on dpi!");
81 }
82
83 // size fit
84 color = getImageColor(VALUE_RESOLUTION_VARIANT_SIZE_FIT, mrImage, 2, 3);
85 if (!getColorForScale(6).equals(color)) {
86 throw new RuntimeException("Resolution variant is not based on"
87 + " rendered size!");
88 }
89
90 // default
91 // depends on the policies of the platform
92 // just check that exception is not thrown
93 getImageColor(VALUE_RESOLUTION_VARIANT_DEFAULT, mrImage, 2, 3);
94 }
95
96 private static Color getColorForScale(int scale) {
97 return COLORS[scale - 1];
98 }
99
100 private static Color getImageColor(final Object renderingHint, Image image,
101 double configScale, double graphicsScale) {
102
103 int width = image.getWidth(null);
104 int height = image.getHeight(null);
105
106 TestSurfaceData surface = new TestSurfaceData(width, height, configScale);
107 SunGraphics2D g2d = new SunGraphics2D(surface,
108 Color.BLACK, Color.BLACK, null);
109 g2d.setRenderingHint(KEY_RESOLUTION_VARIANT, renderingHint);
110 g2d.scale(graphicsScale, graphicsScale);
111 g2d.drawImage(image, 0, 0, null);
112 g2d.dispose();
113 return surface.getColor(width / 2, height / 2);
114 }
115
116 private static int getSize(int i) {
117 return (i + 1) * BASE_SIZE;
118 }
119
120 private static BufferedImage createRVImage(int size, Color color) {
121 BufferedImage image = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
122 Graphics g = image.createGraphics();
123 g.setColor(Color.BLACK);
124 g.fillRect(0, 0, size, size);
125 g.setColor(color);
126 g.fillOval(0, 0, size, size);
127 g.dispose();
128 return image;
129 }
130
131 static class TestGraphicsConfig extends GraphicsConfiguration {
132
133 private final double scale;
134
135 TestGraphicsConfig(double scale) {
136 this.scale = scale;
137 }
138
139 @Override
140 public GraphicsDevice getDevice() {
141 throw new UnsupportedOperationException("Not supported yet.");
142 }
143
144 @Override
145 public ColorModel getColorModel() {
146 throw new UnsupportedOperationException("Not supported yet.");
147 }
148
149 @Override
150 public ColorModel getColorModel(int transparency) {
151 throw new UnsupportedOperationException("Not supported yet.");
152 }
153
154 @Override
155 public AffineTransform getDefaultTransform() {
156 return AffineTransform.getScaleInstance(scale, scale);
157 }
158
159 @Override
160 public AffineTransform getNormalizingTransform() {
161 throw new UnsupportedOperationException("Not supported yet.");
162 }
163
164 @Override
165 public Rectangle getBounds() {
166 throw new UnsupportedOperationException("Not supported yet.");
167 }
168 }
169
170 static class TestSurfaceData extends SurfaceData {
171
172 private final int width;
173 private final int height;
174 private final GraphicsConfiguration gc;
175 private final BufferedImage buffImage;
176 private final double scale;
177
178 public TestSurfaceData(int width, int height, double scale) {
179 super(StateTrackable.State.DYNAMIC, SurfaceType.Custom, ColorModel.getRGBdefault());
180 this.scale = scale;
181 gc = new TestGraphicsConfig(scale);
182 this.width = (int) Math.ceil(scale * width);
183 this.height = (int) Math.ceil(scale * height);
184 buffImage = new BufferedImage(this.width, this.height,
185 BufferedImage.TYPE_INT_RGB);
186 }
187
188 Color getColor(int x, int y) {
189 int sx = (int) Math.ceil(x * scale);
190 int sy = (int) Math.ceil(y * scale);
191 return new Color(buffImage.getRGB(sx, sy));
192 }
193
194 @Override
195 public SurfaceData getReplacement() {
196 throw new UnsupportedOperationException("Not supported yet.");
197 }
198
199 @Override
200 public GraphicsConfiguration getDeviceConfiguration() {
201 return gc;
202 }
203
204 @Override
205 public Raster getRaster(int x, int y, int w, int h) {
206 return buffImage.getRaster();
207 }
208
209 @Override
210 public Rectangle getBounds() {
211 return new Rectangle(0, 0, width, height);
212 }
213
214 @Override
215 public Object getDestination() {
216 throw new UnsupportedOperationException("Not supported yet.");
217 }
218 }
219 }