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comparison dwt/widgets/Canvas.d @ 23:9414ecde7ba7

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Ported dwt.widgets.Canvas
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Mon, 08 Sep 2008 17:38:05 +0200
parents 1a8b3cb347e0
children 642f460a0908
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22:c6edc6e9bd0d 23:9414ecde7ba7
5 * which accompanies this distribution, and is available at 5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html 6 * http://www.eclipse.org/legal/epl-v10.html
7 * 7 *
8 * Contributors: 8 * Contributors:
9 * IBM Corporation - initial API and implementation 9 * IBM Corporation - initial API and implementation
10 *
11 * Port to the D programming language:
12 * Jacob Carlborg <jacob.carlborg@gmail.com>
10 *******************************************************************************/ 13 *******************************************************************************/
11 module dwt.widgets.Canvas; 14 module dwt.widgets.Canvas;
12
13 import dwt.dwthelper.utils;
14 15
15 16
16 import dwt.DWT; 17 import dwt.DWT;
17 import dwt.DWTException; 18 import dwt.DWTException;
18 import dwt.graphics.Font; 19 import dwt.graphics.Font;
24 import dwt.internal.cocoa.NSGraphicsContext; 25 import dwt.internal.cocoa.NSGraphicsContext;
25 import dwt.internal.cocoa.NSPoint; 26 import dwt.internal.cocoa.NSPoint;
26 import dwt.internal.cocoa.NSRect; 27 import dwt.internal.cocoa.NSRect;
27 import dwt.internal.cocoa.NSSize; 28 import dwt.internal.cocoa.NSSize;
28 import dwt.internal.cocoa.OS; 29 import dwt.internal.cocoa.OS;
30
31 import dwt.dwthelper.utils;
32 import dwt.widgets.Caret;
33 import dwt.widgets.Composite;
34 import dwt.widgets.Control;
35 import dwt.widgets.IME;
29 36
30 /** 37 /**
31 * Instances of this class provide a surface for drawing 38 * Instances of this class provide a surface for drawing
32 * arbitrary graphics. 39 * arbitrary graphics.
33 * <dl> 40 * <dl>
135 if (caret.isShowing) { 142 if (caret.isShowing) {
136 NSGraphicsContext context = NSGraphicsContext.currentContext(); 143 NSGraphicsContext context = NSGraphicsContext.currentContext();
137 144
138 Image image = caret.image; 145 Image image = caret.image;
139 if (image !is null) { 146 if (image !is null) {
140 NSRect fromRect = new NSRect (); 147 NSRect fromRect = NSRect ();
141 NSSize size = image.handle.size(); 148 NSSize size = image.handle.size();
142 fromRect.width = size.width; 149 fromRect.width = size.width;
143 fromRect.height = size.height; 150 fromRect.height = size.height;
144 NSPoint point = new NSPoint(); 151 NSPoint point = NSPoint();
145 point.x = caret.x; 152 point.x = caret.x;
146 point.y = caret.y; 153 point.y = caret.y;
147 image.handle.drawAtPoint(point, rect, OS.NSCompositeXOR, 1); 154 image.handle.drawAtPoint(point, rect, OS.NSCompositeXOR, 1);
148 } else { 155 } else {
149 context.saveGraphicsState(); 156 context.saveGraphicsState();
150 context.setCompositingOperation(OS.NSCompositeXOR); 157 context.setCompositingOperation(OS.NSCompositeXOR);
151 NSRect drawRect = new NSRect(); 158 NSRect drawRect = NSRect();
152 drawRect.x = caret.x; 159 drawRect.x = caret.x;
153 drawRect.y = caret.y; 160 drawRect.y = caret.y;
154 drawRect.width = caret.width !is 0 ? caret.width : Caret.DEFAULT_WIDTH; 161 drawRect.width = caret.width !is 0 ? caret.width : Caret.DEFAULT_WIDTH;
155 drawRect.height = caret.height; 162 drawRect.height = caret.height;
156 context.setShouldAntialias(false); 163 context.setShouldAntialias(false);
249 Rectangle clientRect = getClientArea (); 256 Rectangle clientRect = getClientArea ();
250 Rectangle sourceRect = new Rectangle (x, y, width, height); 257 Rectangle sourceRect = new Rectangle (x, y, width, height);
251 if (sourceRect.intersects (clientRect)) { 258 if (sourceRect.intersects (clientRect)) {
252 update (all); 259 update (all);
253 } 260 }
254 NSRect damage = new NSRect(); 261 NSRect damage = NSRect();
255 damage.x = x; 262 damage.x = x;
256 damage.y = y; 263 damage.y = y;
257 damage.width = width; 264 damage.width = width;
258 damage.height = height; 265 damage.height = height;
259 view.setNeedsDisplayInRect(damage); 266 view.setNeedsDisplayInRect(damage);