Mercurial > projects > dwt-mac
annotate dwt/graphics/Path.d @ 156:969e7de37c3d default tip
Fixes to get dwt to work with dmd and ldc
| author | Jacob Carlborg <doob@me.com> |
|---|---|
| date | Wed, 08 Jul 2009 21:56:44 +0200 |
| parents | 0ba75290f8ce |
| children |
| rev | line source |
|---|---|
| 45 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2008 IBM Corporation and others. | |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 * |
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11 * Port to the D programming language: |
| 45 | 12 * Jacob Carlborg <doob@me.com> |
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13 *******************************************************************************/ |
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14 module dwt.graphics.Path; |
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15 |
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16 |
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17 import dwt.DWT; |
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18 import dwt.DWTError; |
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19 import dwt.DWTException; |
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20 import dwt.internal.cocoa.NSAffineTransform; |
| 45 | 21 import dwt.internal.cocoa.NSAutoreleasePool; |
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22 import dwt.internal.cocoa.NSBezierPath; |
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23 import dwt.internal.cocoa.NSLayoutManager; |
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24 import dwt.internal.cocoa.NSPoint; |
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25 import dwt.internal.cocoa.NSRange; |
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26 import dwt.internal.cocoa.NSRect; |
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27 import dwt.internal.cocoa.NSSize; |
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28 import dwt.internal.cocoa.NSString; |
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29 import dwt.internal.cocoa.NSTextContainer; |
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30 import dwt.internal.cocoa.NSTextStorage; |
| 45 | 31 import dwt.internal.cocoa.NSThread; |
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32 import dwt.internal.cocoa.OS; |
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33 |
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34 import tango.text.convert.Format; |
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35 |
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36 import dwt.dwthelper.utils; |
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37 import dwt.graphics.Device; |
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38 import dwt.graphics.Font; |
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39 import dwt.graphics.GC; |
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40 import dwt.graphics.GCData; |
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41 import dwt.graphics.PathData; |
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42 import dwt.graphics.Resource; |
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43 import dwt.internal.c.Carbon; |
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44 import dwt.internal.cocoa.NSFont : NSGlyph; |
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45 import dwt.internal.objc.cocoa.Cocoa; |
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46 |
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47 /** |
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48 * Instances of this class represent paths through the two-dimensional |
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49 * coordinate system. Paths do not have to be continuous, and can be |
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50 * described using lines, rectangles, arcs, cubic or quadratic bezier curves, |
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51 * glyphs, or other paths. |
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52 * <p> |
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53 * Application code must explicitly invoke the <code>Path.dispose()</code> |
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54 * method to release the operating system resources managed by each instance |
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55 * when those instances are no longer required. |
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56 * </p> |
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57 * <p> |
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58 * This class requires the operating system's advanced graphics subsystem |
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59 * which may not be available on some platforms. |
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60 * </p> |
| 45 | 61 * |
| 62 * @see <a href="http://www.eclipse.org/swt/snippets/#path">Path, Pattern snippets</a> | |
| 63 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: GraphicsExample</a> | |
| 64 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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65 * |
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66 * @since 3.1 |
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67 */ |
| 3 | 68 public class Path : Resource { |
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69 |
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70 alias Resource.init_ init_; |
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71 |
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72 /** |
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73 * the OS resource for the Path |
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74 * (Warning: This field is platform dependent) |
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75 * <p> |
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76 * <b>IMPORTANT:</b> This field is <em>not</em> part of the DWT |
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77 * public API. It is marked public only so that it can be shared |
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78 * within the packages provided by DWT. It is not available on all |
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79 * platforms and should never be accessed from application code. |
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80 * </p> |
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81 */ |
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82 public NSBezierPath handle; |
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83 |
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84 /** |
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85 * Constructs a new empty Path. |
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86 * <p> |
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87 * This operation requires the operating system's advanced |
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88 * graphics subsystem which may not be available on some |
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89 * platforms. |
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90 * </p> |
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91 * |
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92 * @param device the device on which to allocate the path |
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93 * |
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94 * @exception IllegalArgumentException <ul> |
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95 * <li>ERROR_NULL_ARGUMENT - if the device is null and there is no current device</li> |
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96 * </ul> |
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97 * @exception DWTException <ul> |
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98 * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> |
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99 * </ul> |
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100 * @exception DWTError <ul> |
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101 * <li>ERROR_NO_HANDLES if a handle for the path could not be obtained</li> |
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102 * </ul> |
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103 * |
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104 * @see #dispose() |
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105 */ |
| 5 | 106 public this (Device device) { |
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107 super(device); |
| 45 | 108 NSAutoreleasePool pool = null; |
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109 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 110 try { |
| 111 handle = NSBezierPath.bezierPath(); | |
| 112 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES); | |
| 113 handle.retain(); | |
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114 handle.moveToPoint(NSPoint()); |
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115 init_(); |
| 45 | 116 } finally { |
| 117 if (pool !is null) pool.release(); | |
| 118 } | |
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119 } |
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120 |
| 45 | 121 /** |
| 122 * Constructs a new Path that is a copy of <code>path</code>. If | |
| 123 * <code>flatness</code> is less than or equal to zero, an unflatten | |
| 124 * copy of the path is created. Otherwise, it specifies the maximum | |
| 125 * error between the path and its flatten copy. Smaller numbers give | |
| 126 * better approximation. | |
| 127 * <p> | |
| 128 * This operation requires the operating system's advanced | |
| 129 * graphics subsystem which may not be available on some | |
| 130 * platforms. | |
| 131 * </p> | |
| 132 * | |
| 133 * @param device the device on which to allocate the path | |
| 134 * @param path the path to make a copy | |
| 135 * @param flatness the flatness value | |
| 136 * | |
| 137 * @exception IllegalArgumentException <ul> | |
| 138 * <li>ERROR_NULL_ARGUMENT - if the device is null and there is no current device</li> | |
| 139 * <li>ERROR_NULL_ARGUMENT - if the path is null</li> | |
| 140 * <li>ERROR_INVALID_ARGUMENT - if the path has been disposed</li> | |
| 141 * </ul> | |
| 142 * @exception DWTException <ul> | |
| 143 * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> | |
| 144 * </ul> | |
| 145 * @exception DWTError <ul> | |
| 146 * <li>ERROR_NO_HANDLES if a handle for the path could not be obtained</li> | |
| 147 * </ul> | |
| 148 * | |
| 149 * @see #dispose() | |
| 150 * @since 3.4 | |
| 151 */ | |
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152 public this (Device device, Path path, float flatness) { |
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153 super(device); |
| 45 | 154 NSAutoreleasePool pool = null; |
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155 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 156 try { |
| 157 if (path is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
| 158 if (path.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
| 159 flatness = Math.max(0, flatness); | |
| 160 if (flatness is 0) { | |
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161 handle = new NSBezierPath(path.handle.copy().id); |
| 45 | 162 } else { |
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163 CGFloat defaultFlatness = NSBezierPath.defaultFlatness(); |
| 45 | 164 NSBezierPath.setDefaultFlatness(flatness); |
| 165 handle = path.handle.bezierPathByFlatteningPath(); | |
| 166 NSBezierPath.setDefaultFlatness(defaultFlatness); | |
| 167 } | |
| 168 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES); | |
| 169 init_(); | |
| 170 } finally { | |
| 171 if (pool !is null) pool.release(); | |
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172 } |
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173 } |
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174 |
| 45 | 175 /** |
| 176 * Constructs a new Path with the specifed PathData. | |
| 177 * <p> | |
| 178 * This operation requires the operating system's advanced | |
| 179 * graphics subsystem which may not be available on some | |
| 180 * platforms. | |
| 181 * </p> | |
| 182 * | |
| 183 * @param device the device on which to allocate the path | |
| 184 * @param data the data for the path | |
| 185 * | |
| 186 * @exception IllegalArgumentException <ul> | |
| 187 * <li>ERROR_NULL_ARGUMENT - if the device is null and there is no current device</li> | |
| 188 * <li>ERROR_NULL_ARGUMENT - if the data is null</li> | |
| 189 * </ul> | |
| 190 * @exception DWTException <ul> | |
| 191 * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> | |
| 192 * </ul> | |
| 193 * @exception DWTError <ul> | |
| 194 * <li>ERROR_NO_HANDLES if a handle for the path could not be obtained</li> | |
| 195 * </ul> | |
| 196 * | |
| 197 * @see #dispose() | |
| 198 * @since 3.4 | |
| 199 */ | |
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200 public this (Device device, PathData data) { |
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201 this(device); |
| 45 | 202 NSAutoreleasePool pool = null; |
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203 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 204 try { |
| 205 if (data is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
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206 init_(data); |
| 45 | 207 } finally { |
| 208 if (pool !is null) pool.release(); | |
| 209 } | |
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210 } |
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211 |
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212 /** |
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213 * Adds to the receiver a circular or elliptical arc that lies within |
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214 * the specified rectangular area. |
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215 * <p> |
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216 * The resulting arc begins at <code>startAngle</code> and extends |
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217 * for <code>arcAngle</code> degrees. |
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218 * Angles are interpreted such that 0 degrees is at the 3 o'clock |
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219 * position. A positive value indicates a counter-clockwise rotation |
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220 * while a negative value indicates a clockwise rotation. |
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221 * </p><p> |
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222 * The center of the arc is the center of the rectangle whose origin |
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223 * is (<code>x</code>, <code>y</code>) and whose size is specified by the |
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224 * <code>width</code> and <code>height</code> arguments. |
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225 * </p><p> |
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226 * The resulting arc covers an area <code>width + 1</code> pixels wide |
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227 * by <code>height + 1</code> pixels tall. |
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228 * </p> |
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229 * |
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230 * @param x the x coordinate of the upper-left corner of the arc |
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231 * @param y the y coordinate of the upper-left corner of the arc |
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232 * @param width the width of the arc |
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233 * @param height the height of the arc |
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234 * @param startAngle the beginning angle |
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235 * @param arcAngle the angular extent of the arc, relative to the start angle |
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236 * |
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237 * @exception DWTException <ul> |
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238 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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239 * </ul> |
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240 */ |
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241 public void addArc(float x, float y, float width, float height, float startAngle, float arcAngle) { |
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242 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 45 | 243 NSAutoreleasePool pool = null; |
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244 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 245 try { |
| 246 NSAffineTransform transform = NSAffineTransform.transform(); | |
| 247 transform.translateXBy(x + width / 2f, y + height / 2f); | |
| 248 transform.scaleXBy(width / 2f, height / 2f); | |
| 249 NSBezierPath path = NSBezierPath.bezierPath(); | |
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250 NSPoint center = NSPoint(); |
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251 CGFloat sAngle = -startAngle; |
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252 CGFloat eAngle = -(startAngle + arcAngle); |
| 45 | 253 path.appendBezierPathWithArcWithCenter(center, 1, sAngle, eAngle, arcAngle>0); |
| 254 path.transformUsingAffineTransform(transform); | |
| 255 handle.appendBezierPath(path); | |
| 256 } finally { | |
| 257 if (pool !is null) pool.release(); | |
| 258 } | |
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259 } |
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260 |
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261 /** |
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262 * Adds to the receiver the path described by the parameter. |
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263 * |
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264 * @param path the path to add to the receiver |
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265 * |
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266 * @exception IllegalArgumentException <ul> |
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267 * <li>ERROR_NULL_ARGUMENT - if the parameter is null</li> |
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268 * <li>ERROR_INVALID_ARGUMENT - if the parameter has been disposed</li> |
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269 * </ul> |
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270 * @exception DWTException <ul> |
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271 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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272 * </ul> |
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273 */ |
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274 public void addPath(Path path) { |
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275 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
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276 if (path is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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277 if (path.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
| 45 | 278 NSAutoreleasePool pool = null; |
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279 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 280 try { |
| 281 handle.appendBezierPath(path.handle); | |
| 282 } finally { | |
| 283 if (pool !is null) pool.release(); | |
| 284 } | |
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285 } |
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286 |
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287 /** |
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288 * Adds to the receiver the rectangle specified by x, y, width and height. |
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289 * |
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290 * @param x the x coordinate of the rectangle to add |
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291 * @param y the y coordinate of the rectangle to add |
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292 * @param width the width of the rectangle to add |
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293 * @param height the height of the rectangle to add |
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294 * |
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295 * @exception DWTException <ul> |
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296 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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297 * </ul> |
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298 */ |
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299 public void addRectangle(float x, float y, float width, float height) { |
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300 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
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301 NSRect rect = NSRect(); |
|
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302 rect.x = x; |
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303 rect.y = y; |
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304 rect.width = width; |
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305 rect.height = height; |
| 45 | 306 NSAutoreleasePool pool = null; |
|
46
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diff
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307 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 308 try { |
| 309 handle.appendBezierPathWithRect(rect); | |
| 310 } finally { | |
| 311 if (pool !is null) pool.release(); | |
| 312 } | |
|
0
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|
313 } |
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314 |
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315 /** |
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316 * Adds to the receiver the pattern of glyphs generated by drawing |
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317 * the given string using the given font starting at the point (x, y). |
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318 * |
|
34
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diff
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319 * @param stri the text to use |
|
0
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320 * @param x the x coordinate of the starting point |
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321 * @param y the y coordinate of the starting point |
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322 * @param font the font to use |
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323 * |
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324 * @exception IllegalArgumentException <ul> |
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325 * <li>ERROR_NULL_ARGUMENT - if the font is null</li> |
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326 * <li>ERROR_INVALID_ARGUMENT - if the font has been disposed</li> |
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327 * </ul> |
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328 * @exception DWTException <ul> |
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329 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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330 * </ul> |
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331 */ |
|
34
5123b17c98ef
Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
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diff
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332 public void addString(String stri, float x, float y, Font font) { |
|
0
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333 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
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334 if (font is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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335 if (font.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
| 45 | 336 NSAutoreleasePool pool = null; |
| 337 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); | |
| 338 try { | |
| 339 NSString str = NSString.stringWith(stri); | |
| 340 NSTextStorage textStorage = (cast(NSTextStorage)(new NSTextStorage()).alloc()); | |
| 341 textStorage.initWithString(str); | |
|
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Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
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342 NSLayoutManager layoutManager = cast(NSLayoutManager)(new NSLayoutManager()).alloc().init(); |
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Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
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343 NSTextContainer textContainer = cast(NSTextContainer)(new NSTextContainer()).alloc(); |
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Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
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344 NSSize size = NSSize(); |
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Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
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345 size.width = CGFloat.max; //Float.MAX_VALUE; |
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Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
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346 size.height = CGFloat.max; //Float.MAX_VALUE; |
| 45 | 347 textContainer.initWithContainerSize(size); |
| 348 textStorage.addLayoutManager(layoutManager); | |
| 349 layoutManager.addTextContainer(textContainer); | |
|
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Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
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350 NSRange range = NSRange(); |
| 45 | 351 range.length = str.length(); |
| 352 textStorage.beginEditing(); | |
| 353 textStorage.addAttribute(OS.NSFontAttributeName, font.handle, range); | |
| 354 textStorage.endEditing(); | |
| 355 range = layoutManager.glyphRangeForTextContainer(textContainer); | |
| 356 if (range.length !is 0) { | |
|
36
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diff
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|
357 NSGlyph* glyphs = cast(NSGlyph*) OS.malloc(4 * range.length * 2); |
| 45 | 358 layoutManager.getGlyphs(glyphs, range); |
| 359 NSBezierPath path = NSBezierPath.bezierPath(); | |
|
34
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Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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360 NSPoint point = NSPoint(); |
| 45 | 361 point.x = x; |
| 362 point.y = y; | |
| 363 path.moveToPoint(point); | |
| 364 path.appendBezierPathWithGlyphs(glyphs, range.length, font.handle); | |
| 365 NSAffineTransform transform = NSAffineTransform.transform(); | |
| 366 transform.scaleXBy(1, -1); | |
| 367 transform.translateXBy(0, -((2*y) + textStorage.size().height)); | |
| 368 path.transformUsingAffineTransform(transform); | |
| 369 OS.free(glyphs); | |
| 370 handle.appendBezierPath(path); | |
| 371 } | |
| 372 textContainer.release(); | |
| 373 layoutManager.release(); | |
| 374 textStorage.release(); | |
| 375 } finally { | |
| 376 if (pool !is null) pool.release(); | |
|
0
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|
377 } |
|
380af2bdd8e5
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|
378 } |
|
380af2bdd8e5
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|
379 |
|
380af2bdd8e5
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|
380 /** |
|
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|
381 * Closes the current sub path by adding to the receiver a line |
|
380af2bdd8e5
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382 * from the current point of the path back to the starting point |
|
380af2bdd8e5
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|
383 * of the sub path. |
|
380af2bdd8e5
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changeset
|
384 * |
|
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|
385 * @exception DWTException <ul> |
|
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386 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
387 * </ul> |
|
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|
388 */ |
|
380af2bdd8e5
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changeset
|
389 public void close() { |
|
380af2bdd8e5
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parents:
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390 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 45 | 391 NSAutoreleasePool pool = null; |
|
46
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45
diff
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392 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 393 try { |
| 394 handle.closePath(); | |
| 395 } finally { | |
| 396 if (pool !is null) pool.release(); | |
| 397 } | |
|
0
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changeset
|
398 } |
|
380af2bdd8e5
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changeset
|
399 |
|
380af2bdd8e5
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changeset
|
400 /** |
|
380af2bdd8e5
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diff
changeset
|
401 * Returns <code>true</code> if the specified point is contained by |
|
380af2bdd8e5
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changeset
|
402 * the receiver and false otherwise. |
|
380af2bdd8e5
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diff
changeset
|
403 * <p> |
|
380af2bdd8e5
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diff
changeset
|
404 * If outline is <code>true</code>, the point (x, y) checked for containment in |
|
380af2bdd8e5
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diff
changeset
|
405 * the receiver's outline. If outline is <code>false</code>, the point is |
|
380af2bdd8e5
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changeset
|
406 * checked to see if it is contained within the bounds of the (closed) area |
|
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|
407 * covered by the receiver. |
|
380af2bdd8e5
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changeset
|
408 * |
|
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changeset
|
409 * @param x the x coordinate of the point to test for containment |
|
380af2bdd8e5
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changeset
|
410 * @param y the y coordinate of the point to test for containment |
|
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changeset
|
411 * @param gc the GC to use when testing for containment |
|
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|
412 * @param outline controls whether to check the outline or contained area of the path |
|
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changeset
|
413 * @return <code>true</code> if the path contains the point and <code>false</code> otherwise |
|
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changeset
|
414 * |
|
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changeset
|
415 * @exception IllegalArgumentException <ul> |
|
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|
416 * <li>ERROR_NULL_ARGUMENT - if the gc is null</li> |
|
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changeset
|
417 * <li>ERROR_INVALID_ARGUMENT - if the gc has been disposed</li> |
|
380af2bdd8e5
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changeset
|
418 * </ul> |
|
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|
419 * @exception DWTException <ul> |
|
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420 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
421 * </ul> |
|
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|
422 */ |
|
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|
423 public bool contains(float x, float y, GC gc, bool outline) { |
|
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|
424 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
|
380af2bdd8e5
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|
425 if (gc is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
|
380af2bdd8e5
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|
426 if (gc.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
| 45 | 427 NSAutoreleasePool pool = null; |
|
46
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Updated Widget and Display to 3.514
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45
diff
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428 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 429 try { |
| 430 // gc.checkGC(GC.LINE_CAP | GC.LINE_JOIN | GC.LINE_STYLE | GC.LINE_WIDTH); | |
| 431 //TODO outline | |
|
34
5123b17c98ef
Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
7
diff
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|
432 NSPoint point = NSPoint(); |
| 45 | 433 point.x = x; |
| 434 point.y = y; | |
| 435 return handle.containsPoint(point); | |
| 436 } finally { | |
| 437 if (pool !is null) pool.release(); | |
| 438 } | |
|
0
380af2bdd8e5
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changeset
|
439 } |
|
380af2bdd8e5
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parents:
diff
changeset
|
440 |
|
380af2bdd8e5
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parents:
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changeset
|
441 /** |
|
380af2bdd8e5
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parents:
diff
changeset
|
442 * Adds to the receiver a cubic bezier curve based on the parameters. |
|
380af2bdd8e5
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changeset
|
443 * |
|
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|
444 * @param cx1 the x coordinate of the first control point of the spline |
|
380af2bdd8e5
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parents:
diff
changeset
|
445 * @param cy1 the y coordinate of the first control of the spline |
|
380af2bdd8e5
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diff
changeset
|
446 * @param cx2 the x coordinate of the second control of the spline |
|
380af2bdd8e5
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diff
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|
447 * @param cy2 the y coordinate of the second control of the spline |
|
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|
448 * @param x the x coordinate of the end point of the spline |
|
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diff
changeset
|
449 * @param y the y coordinate of the end point of the spline |
|
380af2bdd8e5
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changeset
|
450 * |
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451 * @exception DWTException <ul> |
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452 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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453 * </ul> |
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454 */ |
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455 public void cubicTo(float cx1, float cy1, float cx2, float cy2, float x, float y) { |
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456 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 45 | 457 NSAutoreleasePool pool = null; |
|
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458 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 459 try { |
| 460 NSPoint pt = NSPoint(); | |
| 461 pt.x = x; | |
| 462 pt.y = y; | |
|
34
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Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
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463 NSPoint ct1 = NSPoint(); |
| 45 | 464 ct1.x = cx1; |
| 465 ct1.y = cy1; | |
|
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466 NSPoint ct2 = NSPoint(); |
| 45 | 467 ct2.x = cx2; |
| 468 ct2.y = cy2; | |
| 469 handle.curveToPoint(pt, ct1, ct2); | |
| 470 } finally { | |
| 471 if (pool !is null) pool.release(); | |
| 472 } | |
|
0
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473 } |
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|
474 |
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|
475 void destroy() { |
|
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476 handle.release(); |
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477 handle = null; |
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478 } |
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479 |
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480 /** |
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481 * Replaces the first four elements in the parameter with values that |
|
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|
482 * describe the smallest rectangle that will completely contain the |
|
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483 * receiver (i.e. the bounding box). |
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484 * |
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485 * @param bounds the array to hold the result |
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486 * |
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487 * @exception IllegalArgumentException <ul> |
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488 * <li>ERROR_NULL_ARGUMENT - if the parameter is null</li> |
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489 * <li>ERROR_INVALID_ARGUMENT - if the parameter is too small to hold the bounding box</li> |
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490 * </ul> |
|
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491 * @exception DWTException <ul> |
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492 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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493 * </ul> |
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494 */ |
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495 public void getBounds(float[] bounds) { |
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496 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
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497 if (bounds is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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498 if (bounds.length < 4) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
| 45 | 499 NSAutoreleasePool pool = null; |
|
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500 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 501 try { |
| 502 NSRect rect = handle.controlPointBounds(); | |
|
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503 bounds[0] = cast(float)/*64*/rect.x; |
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504 bounds[1] = cast(float)/*64*/rect.y; |
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505 bounds[2] = cast(float)/*64*/rect.width; |
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506 bounds[3] = cast(float)/*64*/rect.height; |
| 45 | 507 } finally { |
| 508 if (pool !is null) pool.release(); | |
| 509 } | |
|
0
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510 } |
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511 |
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512 /** |
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513 * Replaces the first two elements in the parameter with values that |
|
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514 * describe the current point of the path. |
|
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515 * |
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516 * @param point the array to hold the result |
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517 * |
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518 * @exception IllegalArgumentException <ul> |
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519 * <li>ERROR_NULL_ARGUMENT - if the parameter is null</li> |
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520 * <li>ERROR_INVALID_ARGUMENT - if the parameter is too small to hold the end point</li> |
|
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521 * </ul> |
|
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522 * @exception DWTException <ul> |
|
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523 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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524 * </ul> |
|
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525 */ |
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526 public void getCurrentPoint(float[] point) { |
|
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527 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
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528 if (point is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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529 if (point.length < 2) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
| 45 | 530 NSAutoreleasePool pool = null; |
|
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531 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 532 try { |
| 533 NSPoint pt = handle.currentPoint(); | |
|
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534 point[0] = cast(float)/*64*/pt.x; |
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535 point[1] = cast(float)/*64*/pt.y; |
| 45 | 536 } finally { |
| 537 if (pool !is null) pool.release(); | |
| 538 } | |
|
0
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539 } |
|
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|
540 |
|
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|
541 /** |
|
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542 * Returns a device independent representation of the receiver. |
|
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543 * |
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544 * @return the PathData for the receiver |
|
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|
545 * |
|
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546 * @exception DWTException <ul> |
|
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547 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
548 * </ul> |
|
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549 * |
|
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|
550 * @see PathData |
|
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551 */ |
|
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552 public PathData getPathData() { |
|
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553 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 45 | 554 NSAutoreleasePool pool = null; |
|
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555 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 556 try { |
|
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557 int count = cast(int)/*64*/handle.elementCount(); |
| 45 | 558 int pointCount = 0, typeCount = 0; |
| 559 byte[] types = new byte[count]; | |
| 560 float[] pointArray = new float[count * 6]; | |
|
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561 NSPointArray points = cast(NSPointArray) OS.malloc(3 * NSPoint.sizeof); |
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562 if (points is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
34
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563 NSPoint pt = NSPoint(); |
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564 for (NSInteger i = 0; i < count; i++) { |
| 45 | 565 NSBezierPathElement element = handle.elementAtIndex(i, points); |
| 566 switch (element) { | |
|
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567 case OS.NSMoveToBezierPathElement: |
| 45 | 568 types[typeCount++] = DWT.PATH_MOVE_TO; |
|
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diff
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|
569 OS.memmove(&pt, points, NSPoint.sizeof); |
| 7 | 570 pointArray[pointCount++] = cast(int)pt.x; |
| 571 pointArray[pointCount++] = cast(int)pt.y; | |
| 45 | 572 break; |
|
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|
573 case OS.NSLineToBezierPathElement: |
| 45 | 574 types[typeCount++] = DWT.PATH_LINE_TO; |
|
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575 OS.memmove(&pt, points, NSPoint.sizeof); |
| 7 | 576 pointArray[pointCount++] = cast(int)pt.x; |
| 577 pointArray[pointCount++] = cast(int)pt.y; | |
| 45 | 578 break; |
|
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diff
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|
579 case OS.NSCurveToBezierPathElement: |
| 45 | 580 types[typeCount++] = DWT.PATH_CUBIC_TO; |
|
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diff
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|
581 OS.memmove(&pt, points, NSPoint.sizeof); |
| 7 | 582 pointArray[pointCount++] = cast(int)pt.x; |
| 583 pointArray[pointCount++] = cast(int)pt.y; | |
|
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diff
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|
584 OS.memmove(&pt, points + NSPoint.sizeof, NSPoint.sizeof); |
| 7 | 585 pointArray[pointCount++] = cast(int)pt.x; |
| 586 pointArray[pointCount++] = cast(int)pt.y; | |
|
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587 OS.memmove(&pt, points + NSPoint.sizeof + NSPoint.sizeof, NSPoint.sizeof); |
| 7 | 588 pointArray[pointCount++] = cast(int)pt.x; |
| 589 pointArray[pointCount++] = cast(int)pt.y; | |
| 45 | 590 break; |
|
60
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Updated and fixed many modules to 3.514
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|
591 case OS.NSClosePathBezierPathElement: |
| 45 | 592 types[typeCount++] = DWT.PATH_CLOSE; |
| 593 break; | |
|
151
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|
594 default: |
| 45 | 595 } |
|
0
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596 } |
| 45 | 597 OS.free(points); |
| 598 if (pointCount !is pointArray.length) { | |
| 599 float[] temp = new float[pointCount]; | |
| 600 System.arraycopy(pointArray, 0, temp, 0, pointCount); | |
| 601 pointArray = temp; | |
| 602 } | |
| 603 PathData data = new PathData(); | |
| 604 data.types = types; | |
| 605 data.points = pointArray; | |
| 606 return data; | |
| 607 } finally { | |
| 608 if (pool !is null) pool.release(); | |
|
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609 } |
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610 } |
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611 |
|
36
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diff
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612 void init_(PathData data) { |
|
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613 byte[] types = data.types; |
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614 float[] points = data.points; |
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615 for (int i = 0, j = 0; i < types.length; i++) { |
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616 switch (types[i]) { |
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617 case DWT.PATH_MOVE_TO: |
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618 moveTo(points[j++], points[j++]); |
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619 break; |
|
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|
620 case DWT.PATH_LINE_TO: |
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621 lineTo(points[j++], points[j++]); |
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622 break; |
|
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623 case DWT.PATH_CUBIC_TO: |
|
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624 cubicTo(points[j++], points[j++], points[j++], points[j++], points[j++], points[j++]); |
|
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625 break; |
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626 case DWT.PATH_QUAD_TO: |
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627 quadTo(points[j++], points[j++], points[j++], points[j++]); |
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628 break; |
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629 case DWT.PATH_CLOSE: |
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630 close(); |
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631 break; |
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632 default: |
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633 dispose(); |
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634 DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
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635 } |
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636 } |
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637 } |
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638 |
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639 /** |
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640 * Returns <code>true</code> if the Path has been disposed, |
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641 * and <code>false</code> otherwise. |
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642 * <p> |
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643 * This method gets the dispose state for the Path. |
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644 * When a Path has been disposed, it is an error to |
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645 * invoke any other method using the Path. |
|
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646 * |
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647 * @return <code>true</code> when the Path is disposed, and <code>false</code> otherwise |
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648 */ |
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649 public bool isDisposed() { |
|
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650 return handle is null; |
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651 } |
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652 |
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653 /** |
|
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654 * Adds to the receiver a line from the current point to |
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655 * the point specified by (x, y). |
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656 * |
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657 * @param x the x coordinate of the end of the line to add |
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658 * @param y the y coordinate of the end of the line to add |
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659 * |
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660 * @exception DWTException <ul> |
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661 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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662 * </ul> |
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663 */ |
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664 public void lineTo(float x, float y) { |
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665 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 45 | 666 NSAutoreleasePool pool = null; |
|
46
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667 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 668 try { |
| 669 NSPoint pt = NSPoint(); | |
| 670 pt.x = x; | |
| 671 pt.y = y; | |
| 672 handle.lineToPoint(pt); | |
| 673 } finally { | |
| 674 if (pool !is null) pool.release(); | |
| 675 } | |
|
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676 } |
|
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677 |
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678 /** |
|
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679 * Sets the current point of the receiver to the point |
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680 * specified by (x, y). Note that this starts a new |
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681 * sub path. |
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682 * |
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683 * @param x the x coordinate of the new end point |
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684 * @param y the y coordinate of the new end point |
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685 * |
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686 * @exception DWTException <ul> |
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687 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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688 * </ul> |
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689 */ |
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690 public void moveTo(float x, float y) { |
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691 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 45 | 692 NSAutoreleasePool pool = null; |
| 693 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); | |
| 694 try { | |
| 695 NSPoint pt = NSPoint(); | |
| 696 pt.x = x; | |
| 697 pt.y = y; | |
| 698 handle.moveToPoint(pt); | |
| 699 } finally { | |
| 700 if (pool !is null) pool.release(); | |
| 701 } | |
|
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702 } |
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|
703 |
|
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704 /** |
|
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705 * Adds to the receiver a quadratic curve based on the parameters. |
|
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706 * |
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707 * @param cx the x coordinate of the control point of the spline |
|
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708 * @param cy the y coordinate of the control point of the spline |
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709 * @param x the x coordinate of the end point of the spline |
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710 * @param y the y coordinate of the end point of the spline |
|
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711 * |
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712 * @exception DWTException <ul> |
|
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713 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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714 * </ul> |
|
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715 */ |
|
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716 public void quadTo(float cx, float cy, float x, float y) { |
|
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|
717 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 45 | 718 NSAutoreleasePool pool = null; |
| 719 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); | |
| 720 try { | |
| 721 NSPoint pt = NSPoint(); | |
| 722 pt.x = x; | |
| 723 pt.y = y; | |
|
34
5123b17c98ef
Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
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diff
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724 NSPoint ct = NSPoint(); |
| 45 | 725 ct.x = cx; |
| 726 ct.y = cy; | |
| 727 handle.curveToPoint(pt, ct, ct); | |
| 728 } finally { | |
| 729 if (pool !is null) pool.release(); | |
| 730 } | |
|
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731 } |
|
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|
732 |
|
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|
733 /** |
|
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734 * Returns a string containing a concise, human-readable |
|
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|
735 * description of the receiver. |
|
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|
736 * |
|
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737 * @return a string representation of the receiver |
|
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|
738 */ |
|
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|
739 public String toString () { |
|
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|
740 if (isDisposed()) return "Path {*DISPOSED*}"; |
|
34
5123b17c98ef
Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
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diff
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|
741 return Format("Path {{}{}" , handle , "}"); |
|
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380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
742 } |
|
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
743 |
|
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
744 } |