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comparison dwt/graphics/TextStyle.d @ 45:d8635bb48c7c

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Merge with SWT 3.5
author Jacob Carlborg <doob@me.com>
date Mon, 01 Dec 2008 17:07:00 +0100
parents 642f460a0908
children 535243e6d16a
comparison
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44:ca5e494f2bbf 45:d8635bb48c7c
1 /******************************************************************************* 1 /*******************************************************************************
2 * Copyright (c) 2000, 2007 IBM Corporation and others. 2 * Copyright (c) 2000, 2008 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials 3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0 4 * are made available under the terms of the Eclipse Public License v1.0
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 * 10 *
11 * Port to the D programming language: 11 * Port to the D programming language:
12 * Jacob Carlborg <jacob.carlborg@gmail.com> 12 * Jacob Carlborg <doob@me.com>
13 *******************************************************************************/ 13 *******************************************************************************/
14 module dwt.graphics.TextStyle; 14 module dwt.graphics.TextStyle;
15 15
16 import dwt.DWT; 16 import dwt.DWT;
17 17
36 * </p> 36 * </p>
37 * 37 *
38 * @see TextLayout 38 * @see TextLayout
39 * @see Font 39 * @see Font
40 * @see Color 40 * @see Color
41 * @see <a href="http://www.eclipse.org/swt/snippets/#textlayout">TextLayout, TextStyle snippets</a>
42 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
41 * 43 *
42 * @since 3.0 44 * @since 3.0
43 */ 45 */
44 public class TextStyle { 46 public class TextStyle {
45 47
161 * @param background the background color of the style, <code>null</code> if none 163 * @param background the background color of the style, <code>null</code> if none
162 */ 164 */
163 public this (Font font, Color foreground, Color background) { 165 public this (Font font, Color foreground, Color background) {
164 if (font !is null && font.isDisposed()) DWT.error (DWT.ERROR_INVALID_ARGUMENT); 166 if (font !is null && font.isDisposed()) DWT.error (DWT.ERROR_INVALID_ARGUMENT);
165 if (foreground !is null && foreground.isDisposed()) DWT.error (DWT.ERROR_INVALID_ARGUMENT); 167 if (foreground !is null && foreground.isDisposed()) DWT.error (DWT.ERROR_INVALID_ARGUMENT);
166 if (background !is null && background.isDisposed()) DWT.error (DWT.ERROR_INVALID_ARGUMENT); 168 if (background !is null && background.isDisposed()) DWT.error (DWT.ERROR_INVALID_ARGUMENT);
167 this.font = font; 169 this.font = font;
168 this.foreground = foreground; 170 this.foreground = foreground;
169 this.background = background; 171 this.background = background;
170 } 172 }
171 173
172 174
173 /** 175 /**
174 * Create a new text style from an existing text style. 176 * Create a new text style from an existing text style.
175 * 177 *
176 *@param style the style to copy 178 * @param style the style to copy
177 * 179 *
178 * @since 3.4 180 * @since 3.4
179 */ 181 */
180 public this (TextStyle style) { 182 public this (TextStyle style) {
181 if (style is null) DWT.error (DWT.ERROR_INVALID_ARGUMENT); 183 if (style is null) DWT.error (DWT.ERROR_INVALID_ARGUMENT);
249 * @see #equals(Object) 251 * @see #equals(Object)
250 */ 252 */
251 public hash_t toHash() { 253 public hash_t toHash() {
252 hash_t hash = 0; 254 hash_t hash = 0;
253 if (foreground !is null) hash ^= foreground.hashCode(); 255 if (foreground !is null) hash ^= foreground.hashCode();
254 if (background !is null) hash ^= background.hashCode(); 256 if (background !is null) hash ^= background.hashCode();
255 if (font !is null) hash ^= font.hashCode(); 257 if (font !is null) hash ^= font.hashCode();
256 if (metrics !is null) hash ^= metrics.hashCode(); 258 if (metrics !is null) hash ^= metrics.hashCode();
257 if (underline) hash ^= hash; 259 if (underline) hash ^= hash;
258 if (strikeout) hash ^= hash; 260 if (strikeout) hash ^= hash;
259 hash ^= rise; 261 hash ^= rise;
270 if (this is style) return true; 272 if (this is style) return true;
271 if (style is null) return false; 273 if (style is null) return false;
272 if (borderStyle !is style.borderStyle) return false; 274 if (borderStyle !is style.borderStyle) return false;
273 if (borderColor !is null) { 275 if (borderColor !is null) {
274 if (!borderColor.equals(style.borderColor)) return false; 276 if (!borderColor.equals(style.borderColor)) return false;
275 } else if (style.borderColor !is null) return false; 277 } else {
278 if (style.borderColor !is null) return false;
279 if (foreground !is null) {
280 if (!foreground.equals(style.foreground)) return false;
281 } else if (style.foreground !is null) return false;
282 }
276 return true; 283 return true;
277 } 284 }
278 285
279 bool isAdherentUnderline(TextStyle style) { 286 bool isAdherentUnderline(TextStyle style) {
280 if (this is style) return true; 287 if (this is style) return true;
281 if (style is null) return false; 288 if (style is null) return false;
282 if (underline !is style.underline) return false; 289 if (underline !is style.underline) return false;
283 if (underlineStyle !is style.underlineStyle) return false; 290 if (underlineStyle !is style.underlineStyle) return false;
284 if (underlineColor !is null) { 291 if (underlineColor !is null) {
285 if (!underlineColor.equals(style.underlineColor)) return false; 292 if (!underlineColor.equals(style.underlineColor)) return false;
286 } else if (style.underlineColor !is null) return false; 293 } else {
294 if (style.underlineColor !is null) return false;
295 if (foreground !is null) {
296 if (!foreground.equals(style.foreground)) return false;
297 } else if (style.foreground !is null) return false;
298 }
287 return true; 299 return true;
288 } 300 }
289 301
290 bool isAdherentStrikeout(TextStyle style) { 302 bool isAdherentStrikeout(TextStyle style) {
291 if (this is style) return true; 303 if (this is style) return true;
292 if (style is null) return false; 304 if (style is null) return false;
293 if (strikeout !is style.strikeout) return false; 305 if (strikeout !is style.strikeout) return false;
294 if (strikeoutColor !is null) { 306 if (strikeoutColor !is null) {
295 if (!strikeoutColor.equals(style.strikeoutColor)) return false; 307 if (!strikeoutColor.equals(style.strikeoutColor)) return false;
296 } else if (style.strikeoutColor !is null) return false; 308 } else {
309 if (style.strikeoutColor !is null) return false;
310 if (foreground !is null) {
311 if (!foreground.equals(style.foreground)) return false;
312 } else if (style.foreground !is null) return false;
313 }
297 return true; 314 return true;
298 } 315 }
299 316
300 /** 317 /**
301 * Returns a string containing a concise, human-readable 318 * Returns a string containing a concise, human-readable