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My first initial commit with all of mine experimental changes.

Dmitry Kabak (userdima committed 13 years ago

Commit d37b88d1 parent 3f5b46618352 files · +2598093 −-8690Browse files

Showing the changes to java/pkg/sun/awt/image/BufferedImageGraphicsConfig.java (1 of 18352 files). Show all

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java/pkg/sun/awt/image/BufferedImageGraphicsConfig.java+173−0
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1+/*
2+ * Copyright (c) 1997, 2005, 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. Oracle designates this
8+ * particular file as subject to the "Classpath" exception as provided
9+ * by Oracle in the LICENSE file that accompanied this code.
10+ *
11+ * This code is distributed in the hope that it will be useful, but WITHOUT
12+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14+ * version 2 for more details (a copy is included in the LICENSE file that
15+ * accompanied this code).
16+ *
17+ * You should have received a copy of the GNU General Public License version
18+ * 2 along with this work; if not, write to the Free Software Foundation,
19+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20+ *
21+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22+ * or visit www.oracle.com if you need additional information or have any
23+ * questions.
24+ */
25+
26+package sun.awt.image;
27+
28+import java.awt.AWTException;
29+import java.awt.Component;
30+import java.awt.Graphics2D;
31+import java.awt.GraphicsConfiguration;
32+import java.awt.GraphicsDevice;
33+import java.awt.ImageCapabilities;
34+import java.awt.Rectangle;
35+import java.awt.Transparency;
36+import java.awt.geom.AffineTransform;
37+import java.awt.image.BufferedImage;
38+import java.awt.image.ColorModel;
39+import java.awt.image.DirectColorModel;
40+import java.awt.image.Raster;
41+import java.awt.image.VolatileImage;
42+import java.awt.image.WritableRaster;
43+
44+public class BufferedImageGraphicsConfig
45+ extends GraphicsConfiguration
46+{
47+ private static final int numconfigs = BufferedImage.TYPE_BYTE_BINARY;
48+ private static BufferedImageGraphicsConfig configs[] =
49+ new BufferedImageGraphicsConfig[numconfigs];
50+
51+ public static BufferedImageGraphicsConfig getConfig(BufferedImage bImg) {
52+ BufferedImageGraphicsConfig ret;
53+ int type = bImg.getType();
54+ if (type > 0 && type < numconfigs) {
55+ ret = configs[type];
56+ if (ret != null) {
57+ return ret;
58+ }
59+ }
60+ ret = new BufferedImageGraphicsConfig(bImg, null);
61+ if (type > 0 && type < numconfigs) {
62+ configs[type] = ret;
63+ }
64+ return ret;
65+ }
66+
67+ GraphicsDevice gd;
68+ ColorModel model;
69+ Raster raster;
70+ int width, height;
71+
72+ public BufferedImageGraphicsConfig(BufferedImage bufImg, Component comp) {
73+ if (comp == null) {
74+ this.gd = new BufferedImageDevice(this);
75+ } else {
76+ Graphics2D g2d = (Graphics2D)comp.getGraphics();
77+ this.gd = g2d.getDeviceConfiguration().getDevice();
78+ }
79+ this.model = bufImg.getColorModel();
80+ this.raster = bufImg.getRaster().createCompatibleWritableRaster(1, 1);
81+ this.width = bufImg.getWidth();
82+ this.height = bufImg.getHeight();
83+ }
84+
85+ /**
86+ * Return the graphics device associated with this configuration.
87+ */
88+ public GraphicsDevice getDevice() {
89+ return gd;
90+ }
91+
92+ /**
93+ * Returns a BufferedImage with channel layout and color model
94+ * compatible with this graphics configuration. This method
95+ * has nothing to do with memory-mapping
96+ * a device. This BufferedImage has
97+ * a layout and color model
98+ * that is closest to this native device configuration and thus
99+ * can be optimally blitted to this device.
100+ */
101+ public BufferedImage createCompatibleImage(int width, int height) {
102+ WritableRaster wr = raster.createCompatibleWritableRaster(width, height);
103+ return new BufferedImage(model, wr, model.isAlphaPremultiplied(), null);
104+ }
105+
106+ /**
107+ * Returns the color model associated with this configuration.
108+ */
109+ public ColorModel getColorModel() {
110+ return model;
111+ }
112+
113+ /**
114+ * Returns the color model associated with this configuration that
115+ * supports the specified transparency.
116+ */
117+ public ColorModel getColorModel(int transparency) {
118+
119+ if (model.getTransparency() == transparency) {
120+ return model;
121+ }
122+ switch (transparency) {
123+ case Transparency.OPAQUE:
124+ return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
125+ case Transparency.BITMASK:
126+ return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
127+ case Transparency.TRANSLUCENT:
128+ return ColorModel.getRGBdefault();
129+ default:
130+ return null;
131+ }
132+ }
133+
134+ /**
135+ * Returns the default Transform for this configuration. This
136+ * Transform is typically the Identity transform for most normal
137+ * screens. Device coordinates for screen and printer devices will
138+ * have the origin in the upper left-hand corner of the target region of
139+ * the device, with X coordinates
140+ * increasing to the right and Y coordinates increasing downwards.
141+ * For image buffers, this Transform will be the Identity transform.
142+ */
143+ public AffineTransform getDefaultTransform() {
144+ return new AffineTransform();
145+ }
146+
147+ /**
148+ *
149+ * Returns a Transform that can be composed with the default Transform
150+ * of a Graphics2D so that 72 units in user space will equal 1 inch
151+ * in device space.
152+ * Given a Graphics2D, g, one can reset the transformation to create
153+ * such a mapping by using the following pseudocode:
154+ * <pre>
155+ * GraphicsConfiguration gc = g.getGraphicsConfiguration();
156+ *
157+ * g.setTransform(gc.getDefaultTransform());
158+ * g.transform(gc.getNormalizingTransform());
159+ * </pre>
160+ * Note that sometimes this Transform will be identity (e.g. for
161+ * printers or metafile output) and that this Transform is only
162+ * as accurate as the information supplied by the underlying system.
163+ * For image buffers, this Transform will be the Identity transform,
164+ * since there is no valid distance measurement.
165+ */
166+ public AffineTransform getNormalizingTransform() {
167+ return new AffineTransform();
168+ }
169+
170+ public Rectangle getBounds() {
171+ return new Rectangle(0, 0, width, height);
172+ }
173+}