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 java.desktop/sun.java2d.loops
49 * @run main MultiResolutionDrawImageWithTransformTest
50 */
51 public class MultiResolutionDrawImageWithTransformTest {
52
53 private static final int SCREEN_SIZE = 400;
54 private static final int IMAGE_SIZE = SCREEN_SIZE / 4;
55 private static final Color BACKGROUND_COLOR = Color.PINK;
56 private static final Color[] COLORS = {
57 Color.CYAN, Color.GREEN, Color.BLUE, Color.ORANGE
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 // scale 1, transform 1, resolution variant 1
72 Color color = getImageColor(mrImage, 1, 1);
73 if (!getColorForScale(1).equals(color)) {
74 throw new RuntimeException("Wrong resolution variant!");
75 }
76
77 // scale 1, transform 2, resolution variant 2
78 color = getImageColor(mrImage, 1, 2);
79 if (!getColorForScale(2).equals(color)) {
80 throw new RuntimeException("Wrong resolution variant!");
81 }
82
83 // scale 2, transform 1, resolution variant 2
84 color = getImageColor(mrImage, 2, 1);
85 if (!getColorForScale(2).equals(color)) {
86 throw new RuntimeException("Wrong resolution variant!");
87 }
88
89 // scale 2, transform 2, resolution variant 4
90 color = getImageColor(mrImage, 2, 2);
91 if (!getColorForScale(4).equals(color)) {
92 throw new RuntimeException("Wrong resolution variant!");
93 }
94 }
95
96 private static Color getColorForScale(int scale) {
97 return COLORS[scale - 1];
98 }
99
100 private static Color getImageColor(Image image, double configScale,
101 double transformScale) {
102
103 TestSurfaceData surface = new TestSurfaceData(SCREEN_SIZE, SCREEN_SIZE,
104 configScale);
105 SunGraphics2D g2d = new SunGraphics2D(surface,
106 Color.BLACK, Color.BLACK, null);
107 g2d.setRenderingHint(KEY_RESOLUTION_VARIANT,
108 VALUE_RESOLUTION_VARIANT_SIZE_FIT);
109 AffineTransform tx = AffineTransform.getScaleInstance(transformScale,
110 transformScale);
111 g2d.drawImage(image, tx, null);
112 g2d.dispose();
113
114 int backgroundX = (int) (1.5 * image.getWidth(null) * transformScale);
115 int backgroundY = (int) (1.5 * image.getHeight(null) * transformScale);
116 Color backgroundColor = surface.getColor(backgroundX, backgroundY);
117 //surface.show(String.format("Config: %f, transform: %f", configScale, transformScale));
118 if (!BACKGROUND_COLOR.equals(backgroundColor)) {
119 throw new RuntimeException("Wrong background color!");
120 }
121 return surface.getColor(IMAGE_SIZE / 4, IMAGE_SIZE / 4);
122 }
123
124 private static int getSize(int i) {
125 return (i + 1) * IMAGE_SIZE;
126 }
127
128 private static BufferedImage createRVImage(int size, Color color) {
129 BufferedImage image = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
130 Graphics g = image.createGraphics();
131 g.setColor(color);
132 g.fillRect(0, 0, size, size);
133 g.dispose();
134 return image;
135 }
136
137 static class TestGraphicsConfig extends GraphicsConfiguration {
138
139 private final double scale;
140
141 TestGraphicsConfig(double scale) {
142 this.scale = scale;
143 }
144
145 @Override
146 public GraphicsDevice getDevice() {
147 throw new UnsupportedOperationException("Not supported yet.");
148 }
149
150 @Override
151 public ColorModel getColorModel() {
152 throw new UnsupportedOperationException("Not supported yet.");
153 }
154
155 @Override
156 public ColorModel getColorModel(int transparency) {
157 throw new UnsupportedOperationException("Not supported yet.");
158 }
159
160 @Override
161 public AffineTransform getDefaultTransform() {
162 return AffineTransform.getScaleInstance(scale, scale);
163 }
164
165 @Override
166 public AffineTransform getNormalizingTransform() {
167 throw new UnsupportedOperationException("Not supported yet.");
168 }
169
170 @Override
171 public Rectangle getBounds() {
172 throw new UnsupportedOperationException("Not supported yet.");
173 }
174 }
175
176 static class TestSurfaceData extends SurfaceData {
177
178 private final int width;
179 private final int height;
180 private final GraphicsConfiguration gc;
181 private final BufferedImage buffImage;
182 private final double scale;
183
184 public TestSurfaceData(int width, int height, double scale) {
185 super(StateTrackable.State.DYNAMIC, SurfaceType.Custom, ColorModel.getRGBdefault());
186 this.scale = scale;
187 gc = new TestGraphicsConfig(scale);
188 this.width = (int) Math.ceil(scale * width);
189 this.height = (int) Math.ceil(scale * height);
190 buffImage = new BufferedImage(this.width, this.height,
191 BufferedImage.TYPE_INT_RGB);
192
193 Graphics imageGraphics = buffImage.createGraphics();
194 imageGraphics.setColor(BACKGROUND_COLOR);
195 imageGraphics.fillRect(0, 0, this.width, this.height);
196 imageGraphics.dispose();
197 }
198
199 Color getColor(int x, int y) {
200 int sx = (int) Math.ceil(x * scale);
201 int sy = (int) Math.ceil(y * scale);
202 return new Color(buffImage.getRGB(sx, sy));
203 }
204
205 @Override
206 public SurfaceData getReplacement() {
207 throw new UnsupportedOperationException("Not supported yet.");
208 }
209
210 @Override
211 public GraphicsConfiguration getDeviceConfiguration() {
212 return gc;
213 }
214
215 @Override
216 public Raster getRaster(int x, int y, int w, int h) {
217 return buffImage.getRaster();
218 }
219
220 @Override
221 public Rectangle getBounds() {
222 return new Rectangle(0, 0, width, height);
223 }
224
225 @Override
226 public Object getDestination() {
227 throw new UnsupportedOperationException("Not supported yet.");
228 }
229
230 private void show(String title) {
231 Frame frame = new Frame() {
232
233 @Override
234 public void paint(Graphics g) {
235 super.paint(g);
236 g.drawImage(buffImage, 0, 0, this);
237 g.setColor(Color.GRAY);
238 g.drawRect(0, 0, width, height);
239 g.drawRect(0, height / 2, width, height / 2);
240 g.drawRect(width / 2, 0, width / 2, height);
241 }
242 };
243 frame.setTitle(title);
244 frame.setSize(width, height);
245 frame.setVisible(true);
246 }
247 }
248 }