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
24 import java.awt.Color;
25 import java.awt.Frame;
26 import java.awt.Graphics;
27 import java.awt.GraphicsConfiguration;
28 import java.awt.GraphicsDevice;
29 import java.awt.Image;
30 import java.awt.Rectangle;
31 import java.awt.image.BufferedImage;
32 import java.awt.image.BaseMultiResolutionImage;
33 import static java.awt.RenderingHints.KEY_RESOLUTION_VARIANT;
34 import static java.awt.RenderingHints.VALUE_RESOLUTION_VARIANT_SIZE_FIT;
35 import java.awt.geom.AffineTransform;
36 import java.awt.image.ColorModel;
37 import java.awt.image.Raster;
38 import sun.java2d.StateTrackable;
39 import sun.java2d.SunGraphics2D;
40 import sun.java2d.SurfaceData;
41 import sun.java2d.loops.SurfaceType;
42
43 /**
44 * @test
45 * @bug 8073320
46 * @author Alexander Scherbatiy
47 * @summary Windows HiDPI support
48 * @modules java.desktop/sun.java2d
49 * @run main MultiResolutionDrawImageWithTransformTest
50 */
51 public class MultiResolutionDrawImageWithTransformTest {
52
53 private static final int SCREEN_SIZE = 200;
54 private static final int IMAGE_SIZE = SCREEN_SIZE / 2;
55 private static final Color[] COLORS = {
56 Color.CYAN, Color.GREEN, Color.BLUE, Color.ORANGE
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 // scale 1, transform 1, resolution variant 1
71 Color color = getImageColor(mrImage, 1, 1);
72 if (!getColorForScale(1).equals(color)) {
73 throw new RuntimeException("Wrong resolution variant!");
74 }
75
76 // scale 1, transform 2, resolution variant 2
77 color = getImageColor(mrImage, 1, 2);
78 if (!getColorForScale(2).equals(color)) {
79 throw new RuntimeException("Wrong resolution variant!");
80 }
81
82 // scale 2, transform 1, resolution variant 2
83 color = getImageColor(mrImage, 1, 2);
84 if (!getColorForScale(2).equals(color)) {
85 throw new RuntimeException("Wrong resolution variant!");
86 }
87
88 // scale 2, transform 2, resolution variant 4
89 color = getImageColor(mrImage, 2, 2);
90 if (!getColorForScale(4).equals(color)) {
91 throw new RuntimeException("Wrong resolution variant!");
92 }
93 }
94
95 private static Color getColorForScale(int scale) {
96 return COLORS[scale - 1];
97 }
98
99 private static Color getImageColor(Image image, double configScale,
100 double transformScale) {
101
102 TestSurfaceData surface = new TestSurfaceData(SCREEN_SIZE, SCREEN_SIZE,
103 configScale);
104 SunGraphics2D g2d = new SunGraphics2D(surface,
105 Color.BLACK, Color.BLACK, null);
106 g2d.setRenderingHint(KEY_RESOLUTION_VARIANT,
107 VALUE_RESOLUTION_VARIANT_SIZE_FIT);
108 AffineTransform tx = AffineTransform.getScaleInstance(transformScale,
109 transformScale);
110 g2d.drawImage(image, tx, null);
111 g2d.dispose();
112 return surface.getColor(IMAGE_SIZE / 4, IMAGE_SIZE / 4);
113 }
114
115 private static int getSize(int i) {
116 return (i + 1) * IMAGE_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);
123 g.fillRect(0, 0, size, size);
124 g.dispose();
125 return image;
126 }
127
128 static class TestGraphicsConfig extends GraphicsConfiguration {
129
130 private final double scale;
131
132 TestGraphicsConfig(double scale) {
133 this.scale = scale;
134 }
135
136 @Override
137 public GraphicsDevice getDevice() {
138 throw new UnsupportedOperationException("Not supported yet.");
139 }
140
141 @Override
142 public ColorModel getColorModel() {
143 throw new UnsupportedOperationException("Not supported yet.");
144 }
145
146 @Override
147 public ColorModel getColorModel(int transparency) {
148 throw new UnsupportedOperationException("Not supported yet.");
149 }
150
151 @Override
152 public AffineTransform getDefaultTransform() {
153 return AffineTransform.getScaleInstance(scale, scale);
154 }
155
156 @Override
157 public AffineTransform getNormalizingTransform() {
158 throw new UnsupportedOperationException("Not supported yet.");
159 }
160
161 @Override
162 public Rectangle getBounds() {
163 throw new UnsupportedOperationException("Not supported yet.");
164 }
165 }
166
167 static class TestSurfaceData extends SurfaceData {
168
169 private final int width;
170 private final int height;
171 private final GraphicsConfiguration gc;
172 private final BufferedImage buffImage;
173 private final double scale;
174
175 public TestSurfaceData(int width, int height, double scale) {
176 super(StateTrackable.State.DYNAMIC, SurfaceType.Custom, ColorModel.getRGBdefault());
177 this.scale = scale;
178 gc = new TestGraphicsConfig(scale);
179 this.width = (int) Math.ceil(scale * width);
180 this.height = (int) Math.ceil(scale * height);
181 buffImage = new BufferedImage(this.width, this.height,
182 BufferedImage.TYPE_INT_RGB);
183 }
184
185 Color getColor(int x, int y) {
186 int sx = (int) Math.ceil(x * scale);
187 int sy = (int) Math.ceil(y * scale);
188 return new Color(buffImage.getRGB(sx, sy));
189 }
190
191 @Override
192 public SurfaceData getReplacement() {
193 throw new UnsupportedOperationException("Not supported yet.");
194 }
195
196 @Override
197 public GraphicsConfiguration getDeviceConfiguration() {
198 return gc;
199 }
200
201 @Override
202 public Raster getRaster(int x, int y, int w, int h) {
203 return buffImage.getRaster();
204 }
205
206 @Override
207 public Rectangle getBounds() {
208 return new Rectangle(0, 0, width, height);
209 }
210
211 @Override
212 public Object getDestination() {
213 throw new UnsupportedOperationException("Not supported yet.");
214 }
215 }
216 }