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 * @run main MultiResolutionRenderingHintsTest
51 */
52 public class MultiResolutionRenderingHintsTest {
53
54 private static final int BASE_SIZE = 200;
55 private static final Color[] COLORS = {
56 Color.CYAN, Color.GREEN, Color.BLUE, Color.ORANGE, Color.RED, Color.PINK
57 };
58
59 public static void main(String[] args) throws Exception {
60
61 int length = COLORS.length;
62 BufferedImage[] resolutionVariants = new BufferedImage[length];
63 for (int i = 0; i < length; i++) {
64 resolutionVariants[i] = createRVImage(getSize(i), COLORS[i]);
65 }
66
67 BaseMultiResolutionImage mrImage = new BaseMultiResolutionImage(
68 resolutionVariants);
69
70 // base
71 Color color = getImageColor(VALUE_RESOLUTION_VARIANT_BASE, mrImage, 2, 3);
72 if (!getColorForScale(1).equals(color)) {
73 throw new RuntimeException("Wrong base resolution variant!");
74 }
75
76 // dpi fit
77 color = getImageColor(VALUE_RESOLUTION_VARIANT_DPI_FIT, mrImage, 2, 3);
78 if (!getColorForScale(2).equals(color)) {
79 throw new RuntimeException("Resolution variant is not based on dpi!");
80 }
81
82 // size fit
83 color = getImageColor(VALUE_RESOLUTION_VARIANT_SIZE_FIT, mrImage, 2, 3);
84 if (!getColorForScale(6).equals(color)) {
85 throw new RuntimeException("Resolution variant is not based on"
86 + " rendered size!");
87 }
88
89 // default
90 // depends on the policies of the platform
91 // just check that exception is not thrown
92 getImageColor(VALUE_RESOLUTION_VARIANT_DEFAULT, mrImage, 2, 3);
93 }
94
95 private static Color getColorForScale(int scale) {
96 return COLORS[scale - 1];
97 }
98
99 private static Color getImageColor(final Object renderingHint, Image image,
100 double configScale, double graphicsScale) {
101
102 int width = image.getWidth(null);
103 int height = image.getHeight(null);
104
105 TestSurfaceData surface = new TestSurfaceData(width, height, configScale);
106 SunGraphics2D g2d = new SunGraphics2D(surface,
107 Color.BLACK, Color.BLACK, null);
108 g2d.setRenderingHint(KEY_RESOLUTION_VARIANT, renderingHint);
109 g2d.scale(graphicsScale, graphicsScale);
110 g2d.drawImage(image, 0, 0, null);
111 g2d.dispose();
112 return surface.getColor(width / 2, height / 2);
113 }
114
115 private static int getSize(int i) {
116 return (i + 1) * BASE_SIZE;
117 }
118
119 private static BufferedImage createRVImage(int size, Color color) {
120 BufferedImage image = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
121 Graphics g = image.createGraphics();
122 g.setColor(Color.BLACK);
123 g.fillRect(0, 0, size, size);
124 g.setColor(color);
125 g.fillOval(0, 0, size, size);
126 g.dispose();
127 return image;
128 }
129
130 static class TestGraphicsConfig extends GraphicsConfiguration {
131
132 private final double scale;
133
134 TestGraphicsConfig(double scale) {
135 this.scale = scale;
136 }
137
138 @Override
139 public GraphicsDevice getDevice() {
140 throw new UnsupportedOperationException("Not supported yet.");
141 }
142
143 @Override
144 public ColorModel getColorModel() {
145 throw new UnsupportedOperationException("Not supported yet.");
146 }
147
148 @Override
149 public ColorModel getColorModel(int transparency) {
150 throw new UnsupportedOperationException("Not supported yet.");
151 }
152
153 @Override
154 public AffineTransform getDefaultTransform() {
155 return AffineTransform.getScaleInstance(scale, scale);
156 }
157
158 @Override
159 public AffineTransform getNormalizingTransform() {
160 throw new UnsupportedOperationException("Not supported yet.");
161 }
162
163 @Override
164 public Rectangle getBounds() {
165 throw new UnsupportedOperationException("Not supported yet.");
166 }
167 }
168
169 static class TestSurfaceData extends SurfaceData {
170
171 private final int width;
172 private final int height;
173 private final GraphicsConfiguration gc;
174 private final BufferedImage buffImage;
175 private final double scale;
176
177 public TestSurfaceData(int width, int height, double scale) {
178 super(StateTrackable.State.DYNAMIC, SurfaceType.Custom, ColorModel.getRGBdefault());
179 this.scale = scale;
180 gc = new TestGraphicsConfig(scale);
181 this.width = (int) Math.ceil(scale * width);
182 this.height = (int) Math.ceil(scale * height);
183 buffImage = new BufferedImage(this.width, this.height,
184 BufferedImage.TYPE_INT_RGB);
185 }
186
187 Color getColor(int x, int y) {
188 int sx = (int) Math.ceil(x * scale);
189 int sy = (int) Math.ceil(y * scale);
190 return new Color(buffImage.getRGB(sx, sy));
191 }
192
193 @Override
194 public SurfaceData getReplacement() {
195 throw new UnsupportedOperationException("Not supported yet.");
196 }
197
198 @Override
199 public GraphicsConfiguration getDeviceConfiguration() {
200 return gc;
201 }
202
203 @Override
204 public Raster getRaster(int x, int y, int w, int h) {
205 return buffImage.getRaster();
206 }
207
208 @Override
209 public Rectangle getBounds() {
210 return new Rectangle(0, 0, width, height);
211 }
212
213 @Override
214 public Object getDestination() {
215 throw new UnsupportedOperationException("Not supported yet.");
216 }
217 }
218 }