1 /*
2 * Copyright (c) 2011, 2013, 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 com.apple.laf;
27
28 import java.awt.*;
29 import java.awt.image.*;
30 import java.util.HashMap;
31
32 import com.apple.laf.AquaImageFactory.RecyclableSlicedImageControl;
33 import com.apple.laf.AquaImageFactory.NineSliceMetrics;
34 import com.apple.laf.AquaImageFactory.SlicedImageControl;
35
36 import sun.awt.image.*;
37 import sun.java2d.*;
38 import sun.print.*;
39 import apple.laf.*;
40 import apple.laf.JRSUIUtils.NineSliceMetricsProvider;
41 import sun.awt.image.ImageCache;
42
43 abstract class AquaPainter <T extends JRSUIState> {
44 static <T extends JRSUIState> AquaPainter<T> create(final T state) {
45 return new AquaSingleImagePainter<>(state);
46 }
47
48 static <T extends JRSUIState> AquaPainter<T> create(final T state, final int minWidth, final int minHeight, final int westCut, final int eastCut, final int northCut, final int southCut) {
49 return create(state, minWidth, minHeight, westCut, eastCut, northCut, southCut, true);
50 }
51
52 static <T extends JRSUIState> AquaPainter<T> create(final T state, final int minWidth, final int minHeight, final int westCut, final int eastCut, final int northCut, final int southCut, final boolean useMiddle) {
53 return create(state, minWidth, minHeight, westCut, eastCut, northCut, southCut, useMiddle, true, true);
54 }
55
56 static <T extends JRSUIState> AquaPainter<T> create(final T state, final int minWidth, final int minHeight, final int westCut, final int eastCut, final int northCut, final int southCut, final boolean useMiddle, final boolean stretchHorizontally, final boolean stretchVertically) {
57 return create(state, new NineSliceMetricsProvider() {
58 @Override
59 public NineSliceMetrics getNineSliceMetricsForState(JRSUIState state) {
60 return new NineSliceMetrics(minWidth, minHeight, westCut, eastCut, northCut, southCut, useMiddle, stretchHorizontally, stretchVertically);
61 }
62 });
63 }
64
65 static <T extends JRSUIState> AquaPainter<T> create(final T state, final NineSliceMetricsProvider metricsProvider) {
66 return new AquaNineSlicingImagePainter<>(state, metricsProvider);
67 }
68
69 abstract void paint(Graphics2D g, T stateToPaint);
70
71 final Rectangle boundsRect = new Rectangle();
72 final JRSUIControl control;
73 T state;
74 AquaPainter(final JRSUIControl control, final T state) {
75 this.control = control;
76 this.state = state;
77 }
78
79 final JRSUIControl getControl() {
80 control.set(state = state.derive());
81 return control;
82 }
83
84 final void paint(final Graphics g, final Component c, final int x,
85 final int y, final int w, final int h) {
86 boundsRect.setBounds(x, y, w, h);
87
88 final T nextState = state.derive();
89 final Graphics2D g2d = getGraphics2D(g);
90 if (g2d != null) paint(g2d, nextState);
91 state = nextState;
92 }
93
94 private static class AquaNineSlicingImagePainter<T extends JRSUIState>
95 extends AquaPainter<T> {
96
97 private final HashMap<T, RecyclableJRSUISlicedImageControl> slicedControlImages;
98 private final NineSliceMetricsProvider metricsProvider;
99
100 AquaNineSlicingImagePainter(final T state) {
101 this(state, null);
102 }
103
104 AquaNineSlicingImagePainter(final T state, final NineSliceMetricsProvider metricsProvider) {
105 super(new JRSUIControl(false), state);
106 this.metricsProvider = metricsProvider;
107 slicedControlImages = new HashMap<>();
108 }
109
110 @Override
111 void paint(final Graphics2D g, final T stateToPaint) {
112 if (metricsProvider == null) {
113 AquaSingleImagePainter.paintFromSingleCachedImage(g, control, stateToPaint, boundsRect);
114 return;
115 }
116
117 RecyclableJRSUISlicedImageControl slicesRef = slicedControlImages.get(stateToPaint);
118 if (slicesRef == null) {
119 final NineSliceMetrics metrics = metricsProvider.getNineSliceMetricsForState(stateToPaint);
120 if (metrics == null) {
121 AquaSingleImagePainter.paintFromSingleCachedImage(g, control, stateToPaint, boundsRect);
122 return;
123 }
124 slicesRef = new RecyclableJRSUISlicedImageControl(control, stateToPaint, metrics);
125 slicedControlImages.put(stateToPaint, slicesRef);
126 }
127 final SlicedImageControl slices = slicesRef.get();
128 slices.paint(g, boundsRect.x, boundsRect.y, boundsRect.width, boundsRect.height);
129 }
130 }
131
132 private static final class AquaSingleImagePainter<T extends JRSUIState>
133 extends AquaPainter<T> {
134
135 AquaSingleImagePainter(final T state) {
136 super(new JRSUIControl(false), state);
137 }
138
139 @Override
140 void paint(final Graphics2D g, final T stateToPaint) {
141 paintFromSingleCachedImage(g, control, stateToPaint, boundsRect);
142 }
143
144 static void paintFromSingleCachedImage(final Graphics2D g,
145 final JRSUIControl control, final JRSUIState controlState,
146 final Rectangle bounds) {
147 if (bounds.width <= 0 || bounds.height <= 0) {
148 return;
149 }
150
151 final GraphicsConfiguration config = g.getDeviceConfiguration();
152 final ImageCache cache = ImageCache.getInstance();
153 final int width = bounds.width;
154 final int height = bounds.height;
155 AquaPixelsKey key = new AquaPixelsKey(config,
156 width, height, bounds, controlState);
157 Image img = (BufferedImage) cache.getImage(key);
158 if (img == null) {
159
160 Image baseImage = createImage(width, height, bounds, control,
161 controlState);
162
163 img = new MultiResolutionBufferedImage(baseImage,
164 (rvWidth, rvHeight) -> createImage(rvWidth, rvHeight,
165 bounds, control, controlState));
166
167 if (!controlState.is(JRSUIConstants.Animating.YES)) {
168 cache.setImage(key, img);
169 }
170 }
171
172 g.drawImage(img, bounds.x, bounds.y, bounds.width, bounds.height, null);
173 }
174
175 private static Image createImage(int imgW, int imgH, final Rectangle bounds,
176 final JRSUIControl control, JRSUIState controlState) {
177 BufferedImage img = new BufferedImage(imgW, imgH,
178 BufferedImage.TYPE_INT_ARGB_PRE);
179
180 final WritableRaster raster = img.getRaster();
181 final DataBufferInt buffer = (DataBufferInt) raster.getDataBuffer();
182
183 control.set(controlState);
184 control.paint(SunWritableRaster.stealData(buffer, 0),
185 imgW, imgH, 0, 0, bounds.width, bounds.height);
186 SunWritableRaster.markDirty(buffer);
187 return img;
188 }
189 }
190
191 private static class AquaPixelsKey implements ImageCache.PixelsKey {
192
193 private final int pixelCount;
194 private final int hash;
195
196 // key parts
197 private final GraphicsConfiguration config;
198 private final int w;
199 private final int h;
200 private final Rectangle bounds;
201 private final JRSUIState state;
202
203 AquaPixelsKey(final GraphicsConfiguration config,
204 final int w, final int h, final Rectangle bounds,
205 final JRSUIState state) {
206 this.pixelCount = w * h;
207 this.config = config;
208 this.w = w;
209 this.h = h;
210 this.bounds = bounds;
211 this.state = state;
212 this.hash = hash();
213 }
214
215 public int getPixelCount() {
216 return pixelCount;
217 }
218
219 private int hash() {
220 int hash = config != null ? config.hashCode() : 0;
221 hash = 31 * hash + w;
222 hash = 31 * hash + h;
223 hash = 31 * hash + bounds.hashCode();
224 hash = 31 * hash + state.hashCode();
225 return hash;
226 }
227
228 @Override
229 public int hashCode() {
230 return hash;
231 }
232
233 @Override
234 public boolean equals(Object obj) {
235 if (obj instanceof AquaPixelsKey) {
236 AquaPixelsKey key = (AquaPixelsKey) obj;
237 return config == key.config && w == key.w && h == key.h
238 && bounds.equals(key.bounds) && state.equals(key.state);
239 }
240 return false;
241 }
242 }
243
244 private static class RecyclableJRSUISlicedImageControl
245 extends RecyclableSlicedImageControl {
246
247 private final JRSUIControl control;
248 private final JRSUIState state;
249
250 RecyclableJRSUISlicedImageControl(final JRSUIControl control, final JRSUIState state, final NineSliceMetrics metrics) {
251 super(metrics);
252 this.control = control;
253 this.state = state;
254 }
255
256 @Override
257 protected Image createTemplateImage(int width, int height) {
258 BufferedImage image = new BufferedImage(metrics.minW, metrics.minH, BufferedImage.TYPE_INT_ARGB_PRE);
259
260 final WritableRaster raster = image.getRaster();
261 final DataBufferInt buffer = (DataBufferInt)raster.getDataBuffer();
262
263 control.set(state);
264 control.paint(SunWritableRaster.stealData(buffer, 0), metrics.minW, metrics.minH, 0, 0, metrics.minW, metrics.minH);
265
266 SunWritableRaster.markDirty(buffer);
267
268 return image;
269 }
270 }
271
272 private Graphics2D getGraphics2D(final Graphics g) {
273 try {
274 return (SunGraphics2D)g; // doing a blind try is faster than checking instanceof
275 } catch (Exception ignored) {
276 if (g instanceof PeekGraphics) {
277 // if it is a peek just dirty the region
278 g.fillRect(boundsRect.x, boundsRect.y, boundsRect.width, boundsRect.height);
279 } else if (g instanceof ProxyGraphics2D) {
280 final ProxyGraphics2D pg = (ProxyGraphics2D)g;
281 final Graphics2D g2d = pg.getDelegate();
282 if (g2d instanceof SunGraphics2D) {
283 return g2d;
284 }
285 } else if (g instanceof Graphics2D) {
286 return (Graphics2D) g;
287 }
288 }
289
290 return null;
291 }
292 }