Mercurial > projects > dwt-samples
annotate snippets/toolbar/Snippet288.d @ 179:89de7ff0752c default tip
Add JFace snippet Snippet054NativeControlsInViewers, thanks to WasserDragoon
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 29 Apr 2009 11:01:41 +0200 |
parents | 1f0a7a472680 |
children |
rev | line source |
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78 | 1 /******************************************************************************* |
2 * Copyright (c) 2008 IBM Corporation and others. | |
3 * All rights reserved. This program and the accompanying materials | |
4 * are made available under the terms of the Eclipse Public License v1.0 | |
5 * which accompanies this distribution, and is available at | |
6 * http://www.eclipse.org/legal/epl-v10.html | |
7 * | |
8 * Contributors: | |
9 * IBM Corporation - initial API and implementation | |
10 *******************************************************************************/ | |
120
1f0a7a472680
fix rm snippets from module statements.
Frank Benoit <benoit@tionex.de>
parents:
78
diff
changeset
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11 module toolbar.Snippet288; |
78 | 12 |
13 /* | |
14 * Create a ToolBar containing animated GIFs | |
15 * | |
16 * For a list of all SWT example snippets see | |
17 * http://www.eclipse.org/swt/snippets/ | |
18 */ | |
19 import dwt.DWT; | |
20 import dwt.DWTException; | |
21 import dwt.graphics.GC; | |
22 import dwt.graphics.Color; | |
23 import dwt.graphics.Image; | |
24 import dwt.graphics.ImageLoader; | |
25 import dwt.graphics.ImageData; | |
26 import dwt.widgets.Display; | |
27 import dwt.widgets.Shell; | |
28 import dwt.widgets.ToolBar; | |
29 import dwt.widgets.ToolItem; | |
30 import dwt.widgets.FileDialog; | |
31 import dwt.dwthelper.Runnable; | |
32 | |
33 import tango.io.FilePath; | |
34 import tango.io.FileConst; | |
35 import tango.core.Thread; | |
36 import tango.io.Stdout; | |
37 import tango.util.Convert; | |
38 import tango.core.Exception; | |
39 | |
40 static Display display; | |
41 static Shell shell; | |
42 static GC shellGC; | |
43 static Color shellBackground; | |
44 static ImageLoader[] loader; | |
45 static ImageData[][] imageDataArray; | |
46 static Thread[] animateThread; | |
47 static Image[][] image; | |
48 private static ToolItem[] item; | |
49 static final bool useGIFBackground = false; | |
50 | |
51 void main () { | |
52 display = new Display(); | |
53 Shell shell = new Shell (display); | |
54 shellBackground = shell.getBackground(); | |
55 FileDialog dialog = new FileDialog(shell, DWT.OPEN | DWT.MULTI); | |
56 dialog.setText("Select Multiple Animated GIFs"); | |
57 dialog.setFilterExtensions(["*.gif"]); | |
58 char[] filename = dialog.open(); | |
59 char[][] filenames = dialog.getFileNames(); | |
60 int numToolBarItems = filenames.length; | |
61 if (numToolBarItems > 0) { | |
62 try { | |
63 loadAllImages((new FilePath(filename)).parent, filenames); | |
64 } catch (DWTException e) { | |
65 Stdout.print("There was an error loading an image.").newline; | |
66 e.printStackTrace(); | |
67 } | |
68 ToolBar toolBar = new ToolBar (shell, DWT.FLAT | DWT.BORDER | DWT.WRAP); | |
69 item = new ToolItem[numToolBarItems]; | |
70 for (int i = 0; i < numToolBarItems; i++) { | |
71 item[i] = new ToolItem (toolBar, DWT.PUSH); | |
72 item[i].setImage(image[i][0]); | |
73 } | |
74 toolBar.pack (); | |
75 shell.open (); | |
76 | |
77 startAnimationThreads(); | |
78 | |
79 while (!shell.isDisposed()) { | |
80 if (!display.readAndDispatch ()) display.sleep (); | |
81 } | |
82 | |
83 for (int i = 0; i < numToolBarItems; i++) { | |
84 for (int j = 0; j < image[i].length; j++) { | |
85 image[i][j].dispose(); | |
86 } | |
87 } | |
88 display.dispose (); | |
89 } | |
90 thread_joinAll(); | |
91 } | |
92 | |
93 private static void loadAllImages(char[] directory, char[][] filenames) { | |
94 int numItems = filenames.length; | |
95 loader.length = numItems; | |
96 imageDataArray.length = numItems; | |
97 image.length = numItems; | |
98 for (int i = 0; i < numItems; i++) { | |
99 loader[i] = new ImageLoader(); | |
100 int fullWidth = loader[i].logicalScreenWidth; | |
101 int fullHeight = loader[i].logicalScreenHeight; | |
102 imageDataArray[i] = loader[i].load(directory ~ FileConst.PathSeparatorChar ~ filenames[i]); | |
103 int numFramesOfAnimation = imageDataArray[i].length; | |
104 image[i] = new Image[numFramesOfAnimation]; | |
105 for (int j = 0; j < numFramesOfAnimation; j++) { | |
106 if (j == 0) { | |
107 //for the first frame of animation, just draw the first frame | |
108 image[i][j] = new Image(display, imageDataArray[i][j]); | |
109 fullWidth = imageDataArray[i][j].width; | |
110 fullHeight = imageDataArray[i][j].height; | |
111 } | |
112 else { | |
113 //after the first frame of animation, draw the background or previous frame first, then the new image data | |
114 image[i][j] = new Image(display, fullWidth, fullHeight); | |
115 GC gc = new GC(image[i][j]); | |
116 gc.setBackground(shellBackground); | |
117 gc.fillRectangle(0, 0, fullWidth, fullHeight); | |
118 ImageData imageData = imageDataArray[i][j]; | |
119 switch (imageData.disposalMethod) { | |
120 case DWT.DM_FILL_BACKGROUND: | |
121 /* Fill with the background color before drawing. */ | |
122 Color bgColor = null; | |
123 if (useGIFBackground && loader[i].backgroundPixel != -1) { | |
124 bgColor = new Color(display, imageData.palette.getRGB(loader[i].backgroundPixel)); | |
125 } | |
126 gc.setBackground(bgColor !is null ? bgColor : shellBackground); | |
127 gc.fillRectangle(imageData.x, imageData.y, imageData.width, imageData.height); | |
128 if (bgColor !is null) bgColor.dispose(); | |
129 break; | |
130 default: | |
131 /* Restore the previous image before drawing. */ | |
132 gc.drawImage( | |
133 image[i][j-1], | |
134 0, | |
135 0, | |
136 fullWidth, | |
137 fullHeight, | |
138 0, | |
139 0, | |
140 fullWidth, | |
141 fullHeight); | |
142 break; | |
143 } | |
144 Image newFrame = new Image(display, imageData); | |
145 gc.drawImage(newFrame, | |
146 0, | |
147 0, | |
148 imageData.width, | |
149 imageData.height, | |
150 imageData.x, | |
151 imageData.y, | |
152 imageData.width, | |
153 imageData.height); | |
154 newFrame.dispose(); | |
155 gc.dispose(); | |
156 } | |
157 } | |
158 } | |
159 } | |
160 | |
161 private static void startAnimationThreads() { | |
162 animateThread = new Thread[image.length]; | |
163 for (int ii = 0; ii < image.length; ii++) { | |
164 animateThread[ii] = new class(ii) Thread { | |
165 int imageDataIndex = 0; | |
166 int id = 0; | |
167 this(int _id) { | |
168 id = _id; | |
169 name = "Animation "~to!(char[])(ii); | |
170 isDaemon = true; | |
171 super(&run); | |
172 } | |
173 void run() { | |
174 try { | |
175 int repeatCount = loader[id].repeatCount; | |
176 while (loader[id].repeatCount == 0 || repeatCount > 0) { | |
177 imageDataIndex = (imageDataIndex + 1) % imageDataArray[id].length; | |
178 if (!display.isDisposed()) { | |
179 display.asyncExec(new class Runnable { | |
180 public void run() { | |
181 if (!item[id].isDisposed()) | |
182 item[id].setImage(image[id][imageDataIndex]); | |
183 } | |
184 }); | |
185 } | |
186 | |
187 /* Sleep for the specified delay time (adding commonly-used slow-down fudge factors). */ | |
188 try { | |
189 int ms = imageDataArray[id][imageDataIndex].delayTime * 10; | |
190 if (ms < 20) ms += 30; | |
191 if (ms < 30) ms += 10; | |
192 Thread.sleep(0.001*ms); | |
193 } catch (ThreadException e) { | |
194 } | |
195 | |
196 /* If we have just drawn the last image, decrement the repeat count and start again. */ | |
197 if (imageDataIndex == imageDataArray[id].length - 1) repeatCount--; | |
198 } | |
199 } catch (DWTException ex) { | |
200 Stdout.print("There was an error animating the GIF").newline; | |
201 ex.printStackTrace(); | |
202 } | |
203 } | |
204 }; | |
205 animateThread[ii].start(); | |
206 } | |
207 } | |
208 |