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comparison dwt/graphics/Region.d @ 213:36f5cb12e1a2

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Update to SWT 3.4M7
author Frank Benoit <benoit@tionex.de>
date Sat, 17 May 2008 17:34:28 +0200
parents ab60f3309436
children fd9c62a2998e
comparison
equal deleted inserted replaced
212:ab60f3309436 213:36f5cb12e1a2
36 * when those instances are no longer required. 36 * when those instances are no longer required.
37 * </p> 37 * </p>
38 */ 38 */
39 39
40 public final class Region : Resource { 40 public final class Region : Resource {
41 alias Resource.init_ init_;
41 42
42 /** 43 /**
43 * the OS resource for the region 44 * the OS resource for the region
44 * (Warning: This field is platform dependent) 45 * (Warning: This field is platform dependent)
45 * <p> 46 * <p>
80 * @see #dispose 81 * @see #dispose
81 * 82 *
82 * @since 3.0 83 * @since 3.0
83 */ 84 */
84 public this (Device device) { 85 public this (Device device) {
85 if (device is null) device = Device.getDevice(); 86 super(device);
86 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
87 this.device = device;
88 handle = OS.CreateRectRgn (0, 0, 0, 0); 87 handle = OS.CreateRectRgn (0, 0, 0, 0);
89 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES); 88 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES);
90 if (device.tracking) device.new_Object(this); 89 init_();
91 } 90 }
92 91
93 /** 92 /**
94 * Constructs a new region given a handle to the operating 93 * Constructs a new region given a handle to the operating
95 * system resources that it should represent. 94 * system resources that it should represent.
96 * 95 *
97 * @param handle the handle for the result 96 * @param handle the handle for the result
98 */ 97 */
99 this(Device device, HRGN handle) { 98 this(Device device, HRGN handle) {
100 this.device = device; 99 super(device);
101 this.handle = handle; 100 this.handle = handle;
102 } 101 }
103 102
104 /** 103 /**
105 * Adds the given polygon to the collection of polygons 104 * Adds the given polygon to the collection of polygons
231 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); 230 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
232 if (pt is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); 231 if (pt is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
233 return contains(pt.x, pt.y); 232 return contains(pt.x, pt.y);
234 } 233 }
235 234
236 /** 235 void destroy () {
237 * Disposes of the operating system resources associated with
238 * the region. Applications must dispose of all regions which
239 * they allocate.
240 */
241 override public void dispose () {
242 if (handle is null) return;
243 if (device.isDisposed()) return;
244 OS.DeleteObject(handle); 236 OS.DeleteObject(handle);
245 handle = null; 237 handle = null;
246 if (device.tracking) device.dispose_Object(this);
247 device = null;
248 } 238 }
249 239
250 /** 240 /**
251 * Compares the argument to the receiver, and returns true 241 * Compares the argument to the receiver, and returns true
252 * if they represent the <em>same</em> object using a class 242 * if they represent the <em>same</em> object using a class