1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/*
* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import sun.awt.SunHints;
import java.awt.geom.AffineTransform;
import java.util.Arrays;
import java.util.List;
import java.awt.image.MultiResolutionImage;
/**
* @test
* @bug 8011059
* @author Alexander Scherbatiy
* @summary Test MultiResolution image loading and painting with various scaling
* combinations
* @modules java.desktop/sun.awt
* java.desktop/sun.awt.image
*/
public class MultiResolutionImageCommonTest {
private static final int IMAGE_WIDTH = 300;
private static final int IMAGE_HEIGHT = 200;
private static final Color COLOR_1X = Color.GREEN;
private static final Color COLOR_2X = Color.BLUE;
public static void main(String[] args) throws Exception {
testCustomMultiResolutionImage();
System.out.println("Test passed.");
}
public static void testCustomMultiResolutionImage() {
testCustomMultiResolutionImage(false);
testCustomMultiResolutionImage(true);
}
public static void testCustomMultiResolutionImage(
boolean enableImageScaling) {
Image image = new MultiResolutionBufferedImage();
// Same image size
BufferedImage bufferedImage = new BufferedImage(
IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = (Graphics2D) bufferedImage.getGraphics();
setImageScalingHint(g2d, enableImageScaling);
g2d.drawImage(image, 0, 0, null);
checkColor(bufferedImage.getRGB(
3 * IMAGE_WIDTH / 4, 3 * IMAGE_HEIGHT / 4), false);
// Twice image size
bufferedImage = new BufferedImage(2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT,
BufferedImage.TYPE_INT_RGB);
g2d = (Graphics2D) bufferedImage.getGraphics();
setImageScalingHint(g2d, enableImageScaling);
g2d.drawImage(image, 0, 0, 2 * IMAGE_WIDTH,
2 * IMAGE_HEIGHT, 0, 0, IMAGE_WIDTH, IMAGE_HEIGHT, null);
checkColor(bufferedImage.getRGB(3 * IMAGE_WIDTH / 2,
3 * IMAGE_HEIGHT / 2), enableImageScaling);
// Scale 2x
bufferedImage = new BufferedImage(
2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
g2d = (Graphics2D) bufferedImage.getGraphics();
setImageScalingHint(g2d, enableImageScaling);
g2d.scale(2, 2);
g2d.drawImage(image, 0, 0, IMAGE_WIDTH, IMAGE_HEIGHT, null);
checkColor(bufferedImage.getRGB(
3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling);
// Rotate
bufferedImage = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT,
BufferedImage.TYPE_INT_RGB);
g2d = (Graphics2D) bufferedImage.getGraphics();
setImageScalingHint(g2d, enableImageScaling);
g2d.drawImage(image, 0, 0, null);
g2d.rotate(Math.PI / 4);
checkColor(bufferedImage.getRGB(
3 * IMAGE_WIDTH / 4, 3 * IMAGE_HEIGHT / 4), false);
// Scale 2x and Rotate
bufferedImage = new BufferedImage(
2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
g2d = (Graphics2D) bufferedImage.getGraphics();
setImageScalingHint(g2d, enableImageScaling);
g2d.scale(-2, 2);
g2d.rotate(-Math.PI / 10);
g2d.drawImage(image, -IMAGE_WIDTH, 0, IMAGE_WIDTH, IMAGE_HEIGHT, null);
checkColor(bufferedImage.getRGB(
3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling);
// General Transform
bufferedImage = new BufferedImage(
2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
g2d = (Graphics2D) bufferedImage.getGraphics();
setImageScalingHint(g2d, enableImageScaling);
float delta = 0.05f;
float cos = 1 - delta * delta / 2;
float sin = 1 + delta;
AffineTransform transform
= new AffineTransform(2 * cos, 0.1, 0.3, -2 * sin, 10, -5);
g2d.setTransform(transform);
g2d.drawImage(image, 0, -IMAGE_HEIGHT, IMAGE_WIDTH, IMAGE_HEIGHT, null);
checkColor(bufferedImage.getRGB(
3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling);
int D = 10;
// From Source to small Destination region
bufferedImage = new BufferedImage(
IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
g2d = (Graphics2D) bufferedImage.getGraphics();
setImageScalingHint(g2d, enableImageScaling);
g2d.drawImage(image, IMAGE_WIDTH / 2, IMAGE_HEIGHT / 2,
IMAGE_WIDTH - D, IMAGE_HEIGHT - D,
D, D, IMAGE_WIDTH - D, IMAGE_HEIGHT - D, null);
checkColor(bufferedImage.getRGB(
3 * IMAGE_WIDTH / 4, 3 * IMAGE_HEIGHT / 4), false);
// From Source to large Destination region
bufferedImage = new BufferedImage(
2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
g2d = (Graphics2D) bufferedImage.getGraphics();
setImageScalingHint(g2d, enableImageScaling);
g2d.drawImage(image, D, D, 2 * IMAGE_WIDTH - D, 2 * IMAGE_HEIGHT - D,
IMAGE_WIDTH / 2, IMAGE_HEIGHT / 2,
IMAGE_WIDTH - D, IMAGE_HEIGHT - D, null);
checkColor(bufferedImage.getRGB(
3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling);
}
static class MultiResolutionBufferedImage extends BufferedImage
implements MultiResolutionImage {
Image highResolutionImage;
public MultiResolutionBufferedImage() {
super(IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
highResolutionImage = new BufferedImage(
2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT,
BufferedImage.TYPE_INT_RGB);
draw(getGraphics(), 1);
draw(highResolutionImage.getGraphics(), 2);
}
final void draw(Graphics graphics, float resolution) {
Graphics2D g2 = (Graphics2D) graphics;
g2.scale(resolution, resolution);
g2.setColor((resolution == 1) ? COLOR_1X : COLOR_2X);
g2.fillRect(0, 0, IMAGE_WIDTH, IMAGE_HEIGHT);
}
@Override
public Image getResolutionVariant(
double destImageWidth, double destImageHeight) {
return ((destImageWidth <= getWidth() && destImageHeight <= getHeight()))
? this : highResolutionImage;
}
@Override
public List<Image> getResolutionVariants() {
return Arrays.asList(this, highResolutionImage);
}
}
static void setImageScalingHint(
Graphics2D g2d, boolean enableImageScaling) {
g2d.setRenderingHint(SunHints.KEY_RESOLUTION_VARIANT, enableImageScaling
? RenderingHints.VALUE_RESOLUTION_VARIANT_DEFAULT
: RenderingHints.VALUE_RESOLUTION_VARIANT_BASE);
}
static void checkColor(int rgb, boolean isImageScaled) {
if (!isImageScaled && COLOR_1X.getRGB() != rgb) {
throw new RuntimeException("Wrong 1x color: " + new Color(rgb));
}
if (isImageScaled && COLOR_2X.getRGB() != rgb) {
throw new RuntimeException("Wrong 2x color" + new Color(rgb));
}
}
}
|
