Commit | Line | Data |
---|---|---|
5b823560 RK |
1 | /* ***** BEGIN LICENSE BLOCK ***** |
2 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1 | |
3 | * | |
4 | * The contents of this file are subject to the Mozilla Public License Version | |
5 | * 1.1 (the "License"); you may not use this file except in compliance with | |
6 | * the License. You may obtain a copy of the License at | |
7 | * http://www.mozilla.org/MPL/ | |
8 | * | |
9 | * Software distributed under the License is distributed on an "AS IS" basis, | |
10 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License | |
11 | * for the specific language governing rights and limitations under the | |
12 | * License. | |
13 | * | |
14 | * The Original Code is KaiRo.at Mandelbrot, XULRunner version. | |
15 | * | |
16 | * The Initial Developer of the Original Code is | |
17 | * Robert Kaiser <kairo@kairo.at>. | |
8a2b6e17 | 18 | * Portions created by the Initial Developer are Copyright (C) 2008-2011 |
5b823560 RK |
19 | * the Initial Developer. All Rights Reserved. |
20 | * | |
21 | * Contributor(s): | |
22 | * Robert Kaiser <kairo@kairo.at> | |
8a2b6e17 RK |
23 | * prefiks (patch for some speedups) |
24 | * Boris Zbarsky <bzbarsky@mit.edu> (use imageData for canvas interaction) | |
5b823560 RK |
25 | * |
26 | * Alternatively, the contents of this file may be used under the terms of | |
27 | * either the GNU General Public License Version 2 or later (the "GPL"), or | |
28 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), | |
29 | * in which case the provisions of the GPL or the LGPL are applicable instead | |
30 | * of those above. If you wish to allow use of your version of this file only | |
31 | * under the terms of either the GPL or the LGPL, and not to allow others to | |
32 | * use your version of this file under the terms of the MPL, indicate your | |
33 | * decision by deleting the provisions above and replace them with the notice | |
34 | * and other provisions required by the GPL or the LGPL. If you do not delete | |
35 | * the provisions above, a recipient may use your version of this file under | |
36 | * the terms of any one of the MPL, the GPL or the LGPL. | |
37 | * | |
38 | * ***** END LICENSE BLOCK ***** */ | |
39 | ||
6e98af87 RK |
40 | var gColorPalette = []; |
41 | var gPref = Components.classes["@mozilla.org/preferences-service;1"] | |
42 | .getService(Components.interfaces.nsIPrefService) | |
43 | .getBranch(null); | |
44 | var gStartTime = 0; | |
fa4ecb24 | 45 | var gMbrotBundle; |
86e67c44 | 46 | var gCurrentImageData; |
6e98af87 RK |
47 | |
48 | function Startup() { | |
49 | updateIterMenu(); | |
920e1fea | 50 | updateAlgoMenu(); |
6e98af87 | 51 | updatePaletteMenu(); |
fa4ecb24 RK |
52 | gMbrotBundle = document.getElementById("mbrotBundle"); |
53 | document.getElementById("statusLabel").value = gMbrotBundle.getString("statusEmpty"); | |
6e98af87 | 54 | } |
37b05b56 | 55 | |
86e67c44 RK |
56 | function adjustCoordsAndDraw(aC_min, aC_max) { |
57 | let iWidth = 0; | |
58 | try { | |
59 | iWidth = gPref.getIntPref("mandelbrot.image.width"); | |
60 | } | |
61 | catch (e) { } | |
62 | if ((iWidth < 10) || (iWidth > 5000)) { | |
63 | iWidth = 300; | |
64 | gPref.setIntPref("mandelbrot.image.width", iWidth); | |
65 | } | |
66 | let iHeight = 0; | |
67 | try { | |
68 | iHeight = gPref.getIntPref("mandelbrot.image.height"); | |
69 | } | |
70 | catch (e) { } | |
71 | if ((iHeight < 10) || (iHeight > 5000)) { | |
72 | iHeight = 300; | |
73 | gPref.setIntPref("mandelbrot.image.height", iHeight); | |
74 | } | |
75 | ||
76 | // correct coordinates | |
77 | if (aC_min.r < -2) | |
78 | aC_min.r = -2; | |
79 | if (aC_max.r > 2) | |
80 | aC_max.r = 2; | |
81 | if ((aC_min.r > 2) || (aC_max.r < -2) || (aC_min.r >= aC_max.r)) { | |
82 | aC_min.r = -2.0; aC_max.r = 1.0; | |
83 | } | |
84 | if (aC_min.i < -2) | |
85 | aC_min.i = -2; | |
86 | if (aC_max.i > 2) | |
87 | aC_max.i = 2; | |
88 | if ((aC_min.i > 2) || (aC_max.i < -2) || (aC_min.i >= aC_max.i)) { | |
30586599 | 89 | aC_min.i = -1.3; aC_max.i = 1.3; |
86e67c44 RK |
90 | } |
91 | ||
92 | let CWidth = aC_max.r - aC_min.r; | |
93 | let CHeight = aC_max.i - aC_min.i; | |
94 | let C_mid = new complex(aC_min.r + CWidth / 2, aC_min.i + CHeight / 2); | |
95 | ||
96 | let CRatio = Math.max(CWidth / iWidth, CHeight / iHeight); | |
97 | ||
98 | gPref.setCharPref("mandelbrot.last_image.Cr_min", C_mid.r - iWidth * CRatio / 2); | |
99 | gPref.setCharPref("mandelbrot.last_image.Cr_max", C_mid.r + iWidth * CRatio / 2); | |
100 | gPref.setCharPref("mandelbrot.last_image.Ci_min", C_mid.i - iHeight * CRatio / 2); | |
101 | gPref.setCharPref("mandelbrot.last_image.Ci_max", C_mid.i + iHeight * CRatio / 2); | |
102 | ||
103 | drawImage(); | |
104 | } | |
105 | ||
37b05b56 | 106 | function drawImage() { |
8a9c8e3f | 107 | let canvas = document.getElementById("mbrotImage"); |
2cb9a6b5 | 108 | let context = canvas.getContext("2d"); |
37b05b56 | 109 | |
5366c7d6 RK |
110 | document.getElementById("drawButton").hidden = true; |
111 | ||
fa4ecb24 | 112 | document.getElementById("statusLabel").value = gMbrotBundle.getString("statusDrawing"); |
2cb9a6b5 | 113 | |
eceff1c9 RK |
114 | let Cr_min = -2.0; |
115 | let Cr_max = 1.0; | |
116 | try { | |
117 | Cr_min = parseFloat(gPref.getCharPref("mandelbrot.last_image.Cr_min")); | |
118 | Cr_max = parseFloat(gPref.getCharPref("mandelbrot.last_image.Cr_max")); | |
119 | } | |
120 | catch (e) { } | |
30586599 RK |
121 | if ((Cr_min < -3) || (Cr_min > 2) || |
122 | (Cr_max < -3) || (Cr_max > 2) || (Cr_min >= Cr_max)) { | |
eceff1c9 RK |
123 | Cr_min = -2.0; Cr_max = 1.0; |
124 | } | |
125 | gPref.setCharPref("mandelbrot.last_image.Cr_min", Cr_min); | |
126 | gPref.setCharPref("mandelbrot.last_image.Cr_max", Cr_max); | |
127 | ||
128 | let Ci_min = -1.5; | |
129 | let Ci_max = 1.5; | |
130 | try { | |
131 | Ci_min = parseFloat(gPref.getCharPref("mandelbrot.last_image.Ci_min")); | |
132 | Ci_max = parseFloat(gPref.getCharPref("mandelbrot.last_image.Ci_max")); | |
133 | } | |
134 | catch (e) { } | |
30586599 RK |
135 | if ((Ci_min < -2.5) || (Ci_min > 2.5) || |
136 | (Ci_max < -2.5) || (Ci_max > 2.5) || (Ci_min >= Ci_max)) { | |
86e67c44 | 137 | Ci_min = -1.5; Ci_max = 1.5; |
eceff1c9 RK |
138 | } |
139 | gPref.setCharPref("mandelbrot.last_image.Ci_min", Ci_min); | |
140 | gPref.setCharPref("mandelbrot.last_image.Ci_max", Ci_max); | |
141 | ||
2cb9a6b5 RK |
142 | let iterMax = gPref.getIntPref("mandelbrot.iteration_max"); |
143 | let algorithm = gPref.getCharPref("mandelbrot.use_algorithm"); | |
6e98af87 | 144 | |
eceff1c9 RK |
145 | let iWidth = 0; |
146 | try { | |
147 | iWidth = gPref.getIntPref("mandelbrot.image.width"); | |
148 | } | |
149 | catch (e) { } | |
150 | if ((iWidth < 10) || (iWidth > 5000)) { | |
151 | iWidth = 300; | |
152 | gPref.setIntPref("mandelbrot.image.width", iWidth); | |
153 | } | |
154 | let iHeight = 0; | |
155 | try { | |
156 | iHeight = gPref.getIntPref("mandelbrot.image.height"); | |
157 | } | |
158 | catch (e) { } | |
159 | if ((iHeight < 10) || (iHeight > 5000)) { | |
160 | iHeight = 300; | |
161 | gPref.setIntPref("mandelbrot.image.height", iHeight); | |
162 | } | |
163 | ||
86e67c44 RK |
164 | gCurrentImageData = { |
165 | C_min: new complex(Cr_min, Ci_min), | |
166 | C_max: new complex(Cr_max, Ci_max), | |
167 | iWidth: iWidth, | |
168 | iHeight: iHeight, | |
169 | iterMax: iterMax | |
170 | }; | |
171 | ||
eceff1c9 RK |
172 | canvas.width = iWidth; |
173 | canvas.height = iHeight; | |
174 | ||
175 | context.fillStyle = "rgba(255, 255, 255, 127)"; | |
2cb9a6b5 | 176 | context.fillRect(0, 0, canvas.width, canvas.height); |
37b05b56 | 177 | |
2cb9a6b5 RK |
178 | gStartTime = new Date(); |
179 | ||
eceff1c9 RK |
180 | drawLine(0, [Cr_min, Cr_max, Ci_min, Ci_max], |
181 | canvas, context, iterMax, algorithm); | |
2cb9a6b5 RK |
182 | } |
183 | ||
eceff1c9 | 184 | function drawLine(line, dimensions, canvas, context, iterMax, algorithm) { |
aad35028 RK |
185 | let Cr_min = dimensions[0]; |
186 | let Cr_max = dimensions[1]; | |
187 | let Cr_scale = Cr_max - Cr_min; | |
188 | ||
189 | let Ci_min = dimensions[2]; | |
190 | let Ci_max = dimensions[3]; | |
191 | let Ci_scale = Ci_max - Ci_min; | |
192 | ||
8a2b6e17 RK |
193 | let lines = Math.min(canvas.height - line, 8); |
194 | let imageData = context.createImageData(canvas.width, lines); | |
195 | let pixels = imageData.data; | |
196 | let idx = 0; | |
aad35028 RK |
197 | for (var img_y = line; img_y < canvas.height && img_y < line+8; img_y++) |
198 | for (let img_x = 0; img_x < canvas.width; img_x++) { | |
199 | let C = new complex(Cr_min + (img_x / canvas.width) * Cr_scale, | |
200 | Ci_min + (img_y / canvas.height) * Ci_scale); | |
8a2b6e17 RK |
201 | let colors = drawPoint(context, img_x, img_y, C, iterMax, algorithm); |
202 | pixels[idx++] = colors[0]; | |
203 | pixels[idx++] = colors[1]; | |
204 | pixels[idx++] = colors[2]; | |
205 | pixels[idx++] = colors[3]; | |
aad35028 | 206 | } |
8a2b6e17 | 207 | context.putImageData(imageData, 0, line); |
2cb9a6b5 | 208 | |
aad35028 RK |
209 | if (img_y < canvas.height) |
210 | setTimeout(drawLine, 0, img_y, dimensions, canvas, context, iterMax, algorithm); | |
211 | else if (gStartTime) | |
212 | EndCalc(); | |
37b05b56 RK |
213 | } |
214 | ||
6e98af87 RK |
215 | function EndCalc() { |
216 | let endTime = new Date(); | |
217 | let timeUsed = (endTime.getTime() - gStartTime.getTime()) / 1000; | |
218 | document.getElementById("statusLabel").value = | |
fa4ecb24 | 219 | gMbrotBundle.getFormattedString("statusTime", [timeUsed.toFixed(3)]); |
287a980b | 220 | gStartTime = 0; |
6e98af87 RK |
221 | } |
222 | ||
37b05b56 RK |
223 | function complex(aReal, aImag) { |
224 | this.r = aReal; | |
225 | this.i = aImag; | |
2cb9a6b5 RK |
226 | } |
227 | complex.prototype = { | |
228 | square: function() { | |
37b05b56 RK |
229 | return new complex(this.r * this.r - this.i * this.i, |
230 | 2 * this.r * this.i); | |
2cb9a6b5 RK |
231 | }, |
232 | dist: function() { | |
37b05b56 | 233 | return Math.sqrt(this.r * this.r + this.i * this.i); |
2cb9a6b5 RK |
234 | }, |
235 | add: function(aComplex) { | |
37b05b56 RK |
236 | return new complex(this.r + aComplex.r, this.i + aComplex.i); |
237 | } | |
238 | } | |
239 | ||
6e98af87 RK |
240 | function mandelbrotValueOO (aC, aIterMax) { |
241 | // this would be nice code in general but it looks like JS objects are too heavy for normal use. | |
8444612a | 242 | let Z = new complex(0.0, 0.0); |
37b05b56 RK |
243 | for (var iter = 0; iter < aIterMax; iter++) { |
244 | Z = Z.square().add(aC); | |
245 | if (Z.r * Z.r + Z.i * Z.i > 256) { break; } | |
246 | } | |
6e98af87 RK |
247 | return iter; |
248 | } | |
8444612a | 249 | |
6e98af87 RK |
250 | function mandelbrotValueNumeric (aC, aIterMax) { |
251 | // optimized numeric code for fast calculation | |
8444612a RK |
252 | let Cr = aC.r, Ci = aC.i; |
253 | let Zr = 0.0, Zi = 0.0; | |
254 | let Zr2 = Zr * Zr, Zi2 = Zi * Zi; | |
255 | for (var iter = 0; iter < aIterMax; iter++) { | |
256 | Zi = 2 * Zr * Zi + Ci; | |
257 | Zr = Zr2 - Zi2 + Cr; | |
258 | ||
259 | Zr2 = Zr * Zr; Zi2 = Zi * Zi; | |
260 | if (Zr2 + Zi2 > 256) { break; } | |
261 | } | |
37b05b56 RK |
262 | return iter; |
263 | } | |
264 | ||
265 | function getColor(aIterValue, aIterMax) { | |
8a9c8e3f | 266 | let standardizedValue = Math.round(aIterValue * 1024 / aIterMax); |
6e98af87 RK |
267 | if (gColorPalette && gColorPalette.length) |
268 | return gColorPalette[standardizedValue]; | |
269 | ||
270 | // fallback to simple b/w if for some reason we don't have a palette | |
271 | if (aIterValue == aIterMax) | |
2cb9a6b5 | 272 | return [0, 0, 0, 255]; |
6e98af87 | 273 | else |
2cb9a6b5 | 274 | return [255, 255, 255, 255]; |
37b05b56 RK |
275 | } |
276 | ||
277 | function getColorPalette(palName) { | |
278 | var palette = []; | |
279 | switch (palName) { | |
280 | case 'bw': | |
8a9c8e3f | 281 | for (let i = 0; i < 1024; i++) { |
2cb9a6b5 | 282 | palette[i] = [255, 255, 255, 255]; |
37b05b56 | 283 | } |
2cb9a6b5 | 284 | palette[1024] = [0, 0, 0, 255]; |
37b05b56 RK |
285 | break; |
286 | case 'kairo': | |
287 | // outer areas | |
8a9c8e3f RK |
288 | for (let i = 0; i < 32; i++) { |
289 | let cc1 = Math.floor(i * 127 / 31); | |
290 | let cc2 = 170 - Math.floor(i * 43 / 31); | |
2cb9a6b5 | 291 | palette[i] = [cc1, cc2, cc1, 255]; |
37b05b56 RK |
292 | } |
293 | // inner areas | |
8a9c8e3f RK |
294 | for (let i = 0; i < 51; i++) { |
295 | let cc = Math.floor(i * 170 / 50); | |
2cb9a6b5 | 296 | palette[32 + i] = [cc, 0, (170-cc), 255]; |
37b05b56 RK |
297 | } |
298 | // corona | |
8a9c8e3f RK |
299 | for (let i = 0; i < 101; i++) { |
300 | let cc = Math.floor(i * 200 / 100); | |
2cb9a6b5 | 301 | palette[83 + i] = [255, cc, 0, 255]; |
37b05b56 RK |
302 | } |
303 | // inner corona | |
8a9c8e3f RK |
304 | for (let i = 0; i < 201; i++) { |
305 | let cc1 = 255 - Math.floor(i * 85 / 200); | |
306 | let cc2 = 200 - Math.floor(i * 30 / 200); | |
307 | let cc3 = Math.floor(i * 170 / 200); | |
2cb9a6b5 | 308 | palette[184 + i] = [cc1, cc2, cc3, 255]; |
37b05b56 | 309 | } |
8a9c8e3f RK |
310 | for (let i = 0; i < 301; i++) { |
311 | let cc1 = 170 - Math.floor(i * 43 / 300); | |
312 | let cc2 = 170 + Math.floor(i * 85 / 300); | |
2cb9a6b5 | 313 | palette[385 + i] = [cc1, cc1, cc2, 255]; |
37b05b56 | 314 | } |
8a9c8e3f RK |
315 | for (let i = 0; i < 338; i++) { |
316 | let cc = 127 + Math.floor(i * 128 / 337); | |
2cb9a6b5 | 317 | palette[686 + i] = [cc, cc, 255, 255]; |
37b05b56 | 318 | } |
2cb9a6b5 | 319 | palette[1024] = [0, 0, 0, 255]; |
37b05b56 RK |
320 | break; |
321 | case 'rainbow-linear1': | |
8a9c8e3f | 322 | for (let i = 0; i < 256; i++) { |
2cb9a6b5 RK |
323 | palette[i] = [i, 0, 0, 255]; |
324 | palette[256 + i] = [255, i, 0, 255]; | |
325 | palette[512 + i] = [255 - i, 255, i, 255]; | |
326 | palette[768 + i] = [i, 255-i, 255, 255]; | |
37b05b56 | 327 | } |
2cb9a6b5 | 328 | palette[1024] = [0, 0, 0, 255]; |
37b05b56 | 329 | break; |
72eff464 RK |
330 | case 'rainbow-squared1': |
331 | for (let i = 0; i < 34; i++) { | |
332 | let cc = Math.floor(i * 255 / 33); | |
333 | palette[i] = [cc, 0, 0, 255]; | |
334 | } | |
335 | for (let i = 0; i < 137; i++) { | |
336 | let cc = Math.floor(i * 255 / 136); | |
337 | palette[34 + i] = [255, cc, 0, 255]; | |
338 | } | |
339 | for (let i = 0; i < 307; i++) { | |
340 | let cc = Math.floor(i * 255 / 306); | |
341 | palette[171 + i] = [255 - cc, 255, cc, 255]; | |
342 | } | |
343 | for (let i = 0; i < 546; i++) { | |
344 | let cc = Math.floor(i * 255 / 545); | |
345 | palette[478 + i] = [cc, 255 - cc, 255, 255]; | |
346 | } | |
347 | palette[1024] = [0, 0, 0, 255]; | |
348 | break; | |
349 | case 'rainbow-linear2': | |
350 | for (let i = 0; i < 205; i++) { | |
351 | let cc = Math.floor(i * 255 / 204); | |
352 | palette[i] = [255, cc, 0, 255]; | |
353 | palette[204 + i] = [255 - cc, 255, 0, 255]; | |
354 | palette[409 + i] = [0, 255, cc, 255]; | |
355 | palette[614 + i] = [0, 255 - cc, 255, 255]; | |
356 | palette[819 + i] = [cc, 0, 255, 255]; | |
357 | } | |
358 | palette[1024] = [0, 0, 0, 255]; | |
359 | break; | |
360 | case 'rainbow-squared2': | |
361 | for (let i = 0; i < 19; i++) { | |
362 | let cc = Math.floor(i * 255 / 18); | |
363 | palette[i] = [255, cc, 0, 255]; | |
364 | } | |
365 | for (let i = 0; i < 74; i++) { | |
366 | let cc = Math.floor(i * 255 / 73); | |
367 | palette[19 + i] = [255 - cc, 255, 0, 255]; | |
368 | } | |
369 | for (let i = 0; i < 168; i++) { | |
370 | let cc = Math.floor(i * 255 / 167); | |
371 | palette[93 + i] = [0, 255, cc, 255]; | |
372 | } | |
373 | for (let i = 0; i < 298; i++) { | |
374 | let cc = Math.floor(i * 255 / 297); | |
375 | palette[261 + i] = [0, 255 - cc, 255, 255]; | |
376 | } | |
377 | for (let i = 0; i < 465; i++) { | |
378 | let cc = Math.floor(i * 255 / 464); | |
379 | palette[559 + i] = [cc, 0, 255, 255]; | |
380 | } | |
381 | palette[1024] = [0, 0, 0, 255]; | |
382 | break; | |
37b05b56 | 383 | } |
72eff464 RK |
384 | /* |
385 | 'Standard-Palette (QB-Colors) | |
37b05b56 RK |
386 | For i = 0 To 1024 |
387 | xx = CInt(i * 500 / 1024 + 2) | |
388 | If xx <= 15 Then clr = xx | |
389 | If xx > 15 Then clr = CInt(Sqr((xx - 15 + 1) * 15 ^ 2 / 485)) | |
390 | If xx >= 500 Then clr = 0 | |
391 | palette(i) = QBColor(clr) | |
392 | Next | |
72eff464 | 393 | */ |
37b05b56 RK |
394 | return palette; |
395 | } | |
396 | ||
6e98af87 RK |
397 | function drawPoint(context, img_x, img_y, C, iterMax, algorithm) { |
398 | var itVal; | |
399 | switch (algorithm) { | |
400 | case 'oo': | |
401 | itVal = mandelbrotValueOO(C, iterMax); | |
402 | break; | |
403 | case 'numeric': | |
404 | default: | |
405 | itVal = mandelbrotValueNumeric(C, iterMax); | |
406 | break; | |
407 | } | |
2cb9a6b5 | 408 | return getColor(itVal, iterMax); |
37b05b56 RK |
409 | } |
410 | ||
6e98af87 RK |
411 | /***** pure UI functions *****/ |
412 | ||
4d8e7dcb | 413 | var zoomstart; |
7e4a9776 | 414 | var imgBackup; |
4d8e7dcb RK |
415 | |
416 | function mouseevent(etype, event) { | |
417 | let canvas = document.getElementById("mbrotImage"); | |
7e4a9776 | 418 | let context = canvas.getContext("2d"); |
4d8e7dcb RK |
419 | switch (etype) { |
420 | case 'down': | |
7e4a9776 | 421 | if (event.button == 0) { |
4d8e7dcb RK |
422 | // left button - start dragzoom |
423 | zoomstart = {x: event.clientX - canvas.offsetLeft, | |
424 | y: event.clientY - canvas.offsetTop}; | |
7e4a9776 RK |
425 | imgBackup = context.getImageData(0, 0, canvas.width, canvas.height); |
426 | } | |
4d8e7dcb RK |
427 | break; |
428 | case 'up': | |
aad35028 | 429 | if (event.button == 0 && zoomstart) { |
7e4a9776 | 430 | context.putImageData(imgBackup, 0, 0); |
86e67c44 RK |
431 | let zoomend = {x: event.clientX - canvas.offsetLeft, |
432 | y: event.clientY - canvas.offsetTop}; | |
433 | ||
434 | // make sure zoomend is bigger than zoomstart | |
435 | if ((zoomend.x == zoomstart.x) || (zoomend.y == zoomstart.y)) { | |
436 | // cannot zoom what has no area, discard it | |
437 | zoomstart = undefined; | |
438 | return; | |
439 | } | |
440 | if (zoomend.x < zoomstart.x) | |
441 | [zoomend.x, zoomstart.x] = [zoomstart.x, zoomend.x]; | |
442 | if (zoomend.y < zoomstart.y) | |
443 | [zoomend.y, zoomstart.y] = [zoomstart.y, zoomend.y]; | |
444 | ||
3e3d9a1d RK |
445 | // determine new "coordinates" |
446 | let CWidth = gCurrentImageData.C_max.r - gCurrentImageData.C_min.r; | |
447 | let CHeight = gCurrentImageData.C_max.i - gCurrentImageData.C_min.i; | |
448 | let newC_min = new complex( | |
449 | gCurrentImageData.C_min.r + zoomstart.x / gCurrentImageData.iWidth * CWidth, | |
450 | gCurrentImageData.C_min.i + zoomstart.y / gCurrentImageData.iHeight * CHeight); | |
451 | let newC_max = new complex( | |
452 | gCurrentImageData.C_min.r + zoomend.x / gCurrentImageData.iWidth * CWidth, | |
453 | gCurrentImageData.C_min.i + zoomend.y / gCurrentImageData.iHeight * CHeight); | |
454 | ||
455 | adjustCoordsAndDraw(newC_min, newC_max); | |
9c2ca9fa | 456 | } |
4d8e7dcb | 457 | zoomstart = undefined; |
7e4a9776 RK |
458 | break; |
459 | case 'move': | |
460 | if (event.button == 0 && zoomstart) { | |
461 | context.putImageData(imgBackup, 0, 0); | |
462 | context.strokeStyle = "rgb(255,255,31)"; | |
463 | context.strokeRect(zoomstart.x, zoomstart.y, | |
464 | event.clientX - canvas.offsetLeft - zoomstart.x, | |
465 | event.clientY - canvas.offsetTop - zoomstart.y); | |
466 | } | |
4d8e7dcb RK |
467 | break; |
468 | } | |
469 | } | |
470 | ||
37b05b56 | 471 | function saveImage() { |
740b86d1 | 472 | const nsIFilePicker = Components.interfaces.nsIFilePicker; |
aad35028 | 473 | let fp = null; |
740b86d1 RK |
474 | try { |
475 | fp = Components.classes["@mozilla.org/filepicker;1"] | |
476 | .createInstance(nsIFilePicker); | |
477 | } catch (e) {} | |
478 | if (!fp) return; | |
aad35028 | 479 | let promptString = gMbrotBundle.getString("savePrompt"); |
740b86d1 | 480 | fp.init(window, promptString, nsIFilePicker.modeSave); |
fa4ecb24 | 481 | fp.appendFilter(gMbrotBundle.getString("pngFilterName"), "*.png"); |
740b86d1 RK |
482 | fp.defaultString = "mandelbrot.png"; |
483 | ||
aad35028 | 484 | let fpResult = fp.show(); |
740b86d1 RK |
485 | if (fpResult != nsIFilePicker.returnCancel) { |
486 | saveCanvas(document.getElementById("mbrotImage"), fp.file); | |
487 | } | |
37b05b56 RK |
488 | } |
489 | ||
474b436c RK |
490 | function exitMandelbrot() { |
491 | var appInfo = Components.classes["@mozilla.org/xre/app-info;1"] | |
492 | .getService(Components.interfaces.nsIXULAppInfo); | |
493 | if (appInfo.ID == "mandelbrot@kairo.at") | |
494 | quitApp(false); | |
495 | else | |
496 | window.close(); | |
497 | } | |
498 | ||
287a980b RK |
499 | function updateBookmarkMenu(aParent) { |
500 | document.getElementById("bookmarkSave").disabled = | |
501 | (!document.getElementById("drawButton").hidden || (gStartTime > 0)); | |
502 | ||
503 | while (aParent.hasChildNodes() && | |
86e67c44 | 504 | aParent.lastChild.id != "bookmarkSeparator") |
287a980b RK |
505 | aParent.removeChild(aParent.lastChild); |
506 | ||
aad35028 | 507 | let file = Components.classes["@mozilla.org/file/directory_service;1"] |
287a980b RK |
508 | .getService(Components.interfaces.nsIProperties) |
509 | .get("ProfD", Components.interfaces.nsIFile); | |
510 | file.append("mandelbookmarks.sqlite"); | |
511 | if (file.exists()) { | |
aad35028 | 512 | let connection = Components.classes["@mozilla.org/storage/service;1"] |
287a980b RK |
513 | .getService(Components.interfaces.mozIStorageService) |
514 | .openDatabase(file); | |
515 | try { | |
516 | if (connection.tableExists("bookmarks")) { | |
aad35028 | 517 | let statement = connection.createStatement( |
86e67c44 RK |
518 | "SELECT name,ROWID FROM bookmarks ORDER BY ROWID ASC"); |
519 | while (statement.executeStep()) { | |
520 | let newItem = aParent.appendChild(document.createElement("menuitem")); | |
521 | newItem.setAttribute("label", statement.getString(0)); | |
522 | newItem.setAttribute("bmRowID", statement.getString(1)); | |
523 | } | |
287a980b RK |
524 | statement.reset(); |
525 | statement.finalize(); | |
526 | return; | |
2eed6617 | 527 | } |
287a980b RK |
528 | } finally { |
529 | connection.close(); | |
2eed6617 | 530 | } |
287a980b RK |
531 | } |
532 | // Create the "Nothing Available" Menu item and disable it. | |
aad35028 | 533 | let na = aParent.appendChild(document.createElement("menuitem")); |
fa4ecb24 | 534 | na.setAttribute("label", gMbrotBundle.getString("noBookmarks")); |
287a980b | 535 | na.setAttribute("disabled", "true"); |
2eed6617 RK |
536 | } |
537 | ||
538 | function callBookmark(evtarget) { | |
86e67c44 | 539 | if (evtarget.id == "bookmarkSave" || evtarget.id == "bookmarkSeparator") |
b8f9a76f RK |
540 | return; |
541 | if (evtarget.id == "bookmarkOverview") { | |
542 | adjustCoordsAndDraw(new complex(0,0), new complex(0,0)); | |
543 | return; | |
544 | } | |
f34775a6 RK |
545 | |
546 | if (evtarget.getAttribute('bmRowID')) { | |
547 | let iterMax = 0; | |
548 | let C_min = null; | |
549 | let C_max = null; | |
550 | ||
551 | let file = Components.classes["@mozilla.org/file/directory_service;1"] | |
552 | .getService(Components.interfaces.nsIProperties) | |
553 | .get("ProfD", Components.interfaces.nsIFile); | |
554 | file.append("mandelbookmarks.sqlite"); | |
555 | let connection = Components.classes["@mozilla.org/storage/service;1"] | |
556 | .getService(Components.interfaces.mozIStorageService) | |
557 | .openDatabase(file); | |
558 | let statement = connection.createStatement( | |
559 | "SELECT iteration_max,Cr_min,Cr_max,Ci_min,Ci_max FROM bookmarks WHERE ROWID=?1"); | |
560 | statement.bindStringParameter(0, evtarget.getAttribute('bmRowID')); | |
561 | while (statement.executeStep()) { | |
562 | iterMax = statement.getInt32(0); | |
563 | C_min = new complex(statement.getDouble(1), statement.getDouble(3)); | |
564 | C_max = new complex(statement.getDouble(2), statement.getDouble(4)); | |
565 | } | |
566 | statement.finalize(); | |
567 | connection.close(); | |
568 | ||
569 | if (iterMax && C_min && C_max) { | |
570 | gPref.setIntPref("mandelbrot.iteration_max", iterMax); | |
571 | adjustCoordsAndDraw(C_min, C_max); | |
572 | } | |
573 | } | |
2eed6617 RK |
574 | } |
575 | ||
576 | function saveBookmark() { | |
9c2ca9fa | 577 | // retrieve wanted bookmark name with a prompt |
aad35028 | 578 | let prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"] |
9c2ca9fa | 579 | .getService(Components.interfaces.nsIPromptService); |
aad35028 RK |
580 | let input = {value: ""}; // empty default value |
581 | let ok = prompts.prompt(null, gMbrotBundle.getString("saveBookmarkTitle"), gMbrotBundle.getString("saveBookmarkLabel"), input, null, {}); | |
9c2ca9fa RK |
582 | // ok is true if OK is pressed, false if Cancel. input.value holds the value of the edit field if "OK" was pressed. |
583 | if (!ok || !input.value) | |
584 | return | |
585 | ||
aad35028 | 586 | let bmName = input.value; |
287a980b RK |
587 | |
588 | // Open or create the bookmarks database. | |
aad35028 | 589 | let file = Components.classes["@mozilla.org/file/directory_service;1"] |
287a980b RK |
590 | .getService(Components.interfaces.nsIProperties) |
591 | .get("ProfD", Components.interfaces.nsIFile); | |
592 | file.append("mandelbookmarks.sqlite"); | |
aad35028 | 593 | let connection = Components.classes["@mozilla.org/storage/service;1"] |
287a980b RK |
594 | .getService(Components.interfaces.mozIStorageService) |
595 | .openDatabase(file); | |
596 | connection.beginTransaction(); | |
597 | if (!connection.tableExists("bookmarks")) | |
598 | connection.createTable("bookmarks", "name TEXT, iteration_max INTEGER, Cr_min REAL, Cr_max REAL, Ci_min REAL, Ci_max REAL"); | |
599 | // NULL. The value is a NULL value. | |
600 | // INTEGER. The value is a signed integer, stored in 1, 2, 3, 4, 6, or 8 bytes depending on the magnitude of the value. | |
601 | // REAL. The value is a floating point value, stored as an 8-byte IEEE floating point number. | |
602 | // TEXT. The value is a text string, stored using the database encoding (UTF-8, UTF-16BE or UTF-16-LE). | |
603 | ||
604 | // Put value of the current image into the bookmarks table | |
aad35028 | 605 | let statement = connection.createStatement( |
287a980b RK |
606 | "INSERT INTO bookmarks (name,iteration_max,Cr_min,Cr_max,Ci_min,Ci_max) VALUES (?1,?2,?3,?4,?5,?6)"); |
607 | statement.bindStringParameter(0, bmName); | |
86e67c44 RK |
608 | statement.bindStringParameter(1, gCurrentImageData.iterMax); |
609 | statement.bindStringParameter(2, gCurrentImageData.C_min.r); | |
610 | statement.bindStringParameter(3, gCurrentImageData.C_max.r); | |
611 | statement.bindStringParameter(4, gCurrentImageData.C_min.i); | |
612 | statement.bindStringParameter(5, gCurrentImageData.C_max.i); | |
287a980b RK |
613 | statement.execute(); |
614 | statement.finalize(); | |
615 | connection.commitTransaction(); | |
616 | connection.close(); | |
2eed6617 RK |
617 | } |
618 | ||
6e98af87 | 619 | function updateIterMenu() { |
aad35028 | 620 | let currentIter = 0; |
6e98af87 | 621 | try { |
aad35028 | 622 | currentIter = gPref.getIntPref("mandelbrot.iteration_max"); |
6e98af87 | 623 | } |
aad35028 | 624 | catch(e) { } |
6e98af87 RK |
625 | if (currentIter < 10) { |
626 | currentIter = 500; | |
627 | setIter(currentIter); | |
628 | } | |
629 | ||
aad35028 RK |
630 | let popup = document.getElementById("menu_iterPopup"); |
631 | let item = popup.firstChild; | |
6e98af87 RK |
632 | while (item) { |
633 | if (item.getAttribute("name") == "iter") { | |
634 | if (item.getAttribute("value") == currentIter) | |
635 | item.setAttribute("checked","true"); | |
636 | else | |
637 | item.removeAttribute("checked"); | |
638 | } | |
639 | item = item.nextSibling; | |
640 | } | |
641 | } | |
642 | ||
643 | function setIter(aIter) { | |
644 | gPref.setIntPref("mandelbrot.iteration_max", aIter); | |
645 | } | |
646 | ||
647 | function updatePaletteMenu() { | |
aad35028 | 648 | let currentPalette = ''; |
6e98af87 | 649 | try { |
aad35028 | 650 | currentPalette = gPref.getCharPref("mandelbrot.color_palette"); |
6e98af87 | 651 | } |
aad35028 | 652 | catch(e) { } |
6e98af87 RK |
653 | if (!currentPalette.length) { |
654 | currentPalette = 'kairo'; | |
655 | setPalette(currentPalette); | |
656 | } | |
657 | if (!gColorPalette || !gColorPalette.length) | |
658 | gColorPalette = getColorPalette(currentPalette); | |
659 | ||
aad35028 RK |
660 | let popup = document.getElementById("menu_palettePopup"); |
661 | let item = popup.firstChild; | |
6e98af87 RK |
662 | while (item) { |
663 | if (item.getAttribute("name") == "palette") { | |
664 | if (item.getAttribute("value") == currentPalette) | |
665 | item.setAttribute("checked", "true"); | |
666 | else | |
667 | item.removeAttribute("checked"); | |
668 | } | |
669 | item = item.nextSibling; | |
670 | } | |
671 | } | |
672 | ||
673 | function setPalette(aPaletteID) { | |
674 | gPref.setCharPref("mandelbrot.color_palette", aPaletteID); | |
675 | gColorPalette = getColorPalette(aPaletteID); | |
676 | } | |
677 | ||
6403d662 | 678 | function imgSettings() { |
60e048b2 RK |
679 | let anchor = null; |
680 | let position = "before_start"; | |
681 | if (document.getElementById("mandelbrotWindow").nodeName == "page") { | |
682 | anchor = document.getElementById("mandelbrotToolbar"); | |
683 | } | |
684 | else { | |
685 | anchor = document.getElementById("mandelbrotMenubar"); | |
686 | position = "after_start"; | |
687 | } | |
688 | document.getElementById("imgSettingsPanel").showPopup(anchor, position); | |
6403d662 RK |
689 | } |
690 | ||
6e98af87 | 691 | function updateDebugMenu() { |
84e4253d RK |
692 | let scope = (document.getElementById("mandelbrotWindow").nodeName == "page") ? "content" : "chrome"; |
693 | for each (let type in ["tracejit", "methodjit"]) { | |
694 | let jitMenuItem = document.getElementById(type + "Enabled"); | |
695 | jitMenuItem.setAttribute("checked", gPref.getBoolPref("javascript.options." + type + "." + scope)); | |
696 | } | |
6e98af87 RK |
697 | } |
698 | ||
84e4253d RK |
699 | function toggleJITState(jitMenuItem, jittype) { |
700 | let scope = (document.getElementById("mandelbrotWindow").nodeName == "page") ? "content" : "chrome"; | |
701 | let jitpref = "javascript.options." + jittype + "jit." + scope; | |
702 | let jitEnabled = !gPref.getBoolPref(jitpref); | |
703 | gPref.setBoolPref(jitpref, jitEnabled) | |
704 | jitMenuItem.setAttribute("checked", jitEnabled ? "true" : "false"); | |
6e98af87 RK |
705 | } |
706 | ||
707 | function updateAlgoMenu() { | |
aad35028 | 708 | let currentAlgo = ''; |
6e98af87 | 709 | try { |
aad35028 | 710 | currentAlgo = gPref.getCharPref("mandelbrot.use_algorithm"); |
6e98af87 | 711 | } |
aad35028 | 712 | catch(e) { } |
6e98af87 RK |
713 | if (!currentAlgo.length) { |
714 | currentAlgo = 'numeric'; | |
715 | setAlgorithm(currentAlgo); | |
716 | } | |
717 | ||
aad35028 RK |
718 | let popup = document.getElementById("menu_algoPopup"); |
719 | let item = popup.firstChild; | |
6e98af87 RK |
720 | while (item) { |
721 | if (item.getAttribute("name") == "algorithm") { | |
722 | if (item.getAttribute("value") == currentAlgo) | |
723 | item.setAttribute("checked", "true"); | |
724 | else | |
725 | item.removeAttribute("checked"); | |
726 | } | |
727 | item = item.nextSibling; | |
728 | } | |
729 | } | |
730 | ||
731 | function setAlgorithm(algoID) { | |
732 | gPref.setCharPref("mandelbrot.use_algorithm", algoID); | |
733 | } | |
734 | ||
af3c147c | 735 | function addonsManager(aPane) { |
aad35028 | 736 | let theEM = Components.classes["@mozilla.org/appshell/window-mediator;1"] |
af3c147c RK |
737 | .getService(Components.interfaces.nsIWindowMediator) |
738 | .getMostRecentWindow("Extension:Manager"); | |
739 | if (theEM) { | |
740 | theEM.focus(); | |
741 | if (aPane) | |
742 | theEM.showView(aPane); | |
743 | return; | |
744 | } | |
745 | ||
746 | const EMURL = "chrome://mozapps/content/extensions/extensions.xul"; | |
747 | const EMFEATURES = "all,dialog=no"; | |
748 | if (aPane) | |
749 | window.openDialog(EMURL, "", EMFEATURES, aPane); | |
750 | else | |
751 | window.openDialog(EMURL, "", EMFEATURES); | |
752 | } | |
753 | ||
754 | function errorConsole() { | |
755 | toOpenWindowByType("global:console", "chrome://global/content/console.xul"); | |
756 | } | |
757 | ||
8a2b6e17 RK |
758 | function initImgSettings() { |
759 | // Get values from prefs. | |
760 | for each (let coord in ["Cr_min", "Cr_max", "Ci_min", "Ci_max"]) { | |
761 | document.getElementById("is_" + coord).value = | |
762 | roundCoord(parseFloat(gPref.getCharPref("mandelbrot.last_image." + coord))); | |
763 | } | |
764 | for each (let dim in ["width", "height"]) { | |
765 | document.getElementById("is_img_" + dim).value = | |
766 | gPref.getIntPref("mandelbrot.image." + dim); | |
767 | } | |
768 | document.getElementById("is_syncProp").checked = | |
769 | gPref.getBoolPref("mandelbrot.syncProportions"); | |
770 | ||
771 | // Calculate scales. | |
772 | recalcCoord("Cr", "scale"); | |
773 | recalcCoord("Ci", "scale"); | |
774 | ||
775 | // Clear the preview. | |
776 | let canvas = document.getElementById("is_mbrotPreview"); | |
777 | let context = canvas.getContext("2d"); | |
778 | context.fillStyle = "rgba(255, 255, 255, 127)"; | |
779 | context.fillRect(0, 0, canvas.width, canvas.height); | |
780 | } | |
781 | ||
782 | function closeImgSettings() { | |
783 | // Hide popup, which will automatically make a call to save values. | |
784 | document.getElementById("imgSettingsPanel").hidePopup(); | |
785 | } | |
786 | ||
787 | function saveImgSettings() { | |
788 | // Get values to prefs. | |
789 | for each (let coord in ["Cr_min", "Cr_max", "Ci_min", "Ci_max"]) { | |
790 | gPref.setCharPref("mandelbrot.last_image." + coord, | |
791 | document.getElementById("is_" + coord).value); | |
792 | } | |
793 | for each (let dim in ["width", "height"]) { | |
794 | gPref.setIntPref("mandelbrot.image." + dim, | |
795 | document.getElementById("is_img_" + dim).value); | |
796 | } | |
797 | gPref.setBoolPref("mandelbrot.syncProportions", | |
798 | document.getElementById("is_syncProp").checked); | |
799 | } | |
800 | ||
801 | function checkISValue(textbox, type) { | |
802 | if (type == "coord") { | |
803 | textbox.value = roundCoord(parseFloat(textbox.value)); | |
804 | } | |
805 | else if (type == "dim") { | |
806 | textbox.value = parseInt(textbox.value); | |
807 | } | |
808 | } | |
809 | ||
810 | function drawPreview() { | |
811 | let canvas = document.getElementById("is_mbrotPreview"); | |
812 | let context = canvas.getContext("2d"); | |
813 | ||
814 | if (document.getElementById("is_img_width").value / | |
815 | document.getElementById("is_img_height").value | |
816 | < 80 / 50) { | |
817 | canvas.height = 50; | |
818 | canvas.width = canvas.height * | |
819 | document.getElementById("is_img_width").value / | |
820 | document.getElementById("is_img_height").value; | |
821 | } | |
822 | else { | |
823 | canvas.width = 80; | |
824 | canvas.height = canvas.width * | |
825 | document.getElementById("is_imgHeight").value / | |
826 | document.getElementById("is_imgWidth").value; | |
827 | } | |
828 | ||
829 | let Cr_min = parseFloat(document.getElementById("is_Cr_min").value); | |
830 | let Cr_max = parseFloat(document.getElementById("is_Cr_max").value); | |
831 | if ((Cr_min < -2) || (Cr_min > 2) || | |
832 | (Cr_max < -2) || (Cr_max > 2) || (Cr_min >= Cr_max)) { | |
833 | Cr_min = -2.0; Cr_max = 1.0; | |
834 | } | |
835 | ||
836 | let Ci_min = parseFloat(document.getElementById("is_Ci_min").value); | |
837 | let Ci_max = parseFloat(document.getElementById("is_Ci_max").value); | |
838 | if ((Ci_min < -2) || (Ci_min > 2) || | |
839 | (Ci_max < -2) || (Ci_max > 2) || (Ci_min >= Ci_max)) { | |
840 | Ci_min = -2.0; Ci_max = 1.0; | |
841 | } | |
842 | ||
843 | let iterMax = gPref.getIntPref("mandelbrot.iteration_max"); | |
844 | let algorithm = gPref.getCharPref("mandelbrot.use_algorithm"); | |
845 | ||
846 | context.fillStyle = "rgba(255, 255, 255, 127)"; | |
847 | context.fillRect(0, 0, canvas.width, canvas.height); | |
848 | ||
849 | try { | |
850 | var currentPalette = gPref.getCharPref("mandelbrot.color_palette"); | |
851 | } | |
852 | catch(e) { | |
853 | var currentPalette = ""; | |
854 | } | |
855 | if (!currentPalette.length) { | |
856 | currentPalette = "kairo"; | |
857 | } | |
858 | gColorPalette = getColorPalette(currentPalette); | |
859 | ||
860 | drawLine(0, [Cr_min, Cr_max, Ci_min, Ci_max], | |
861 | canvas, context, iterMax, algorithm); | |
862 | } | |
863 | ||
864 | function recalcCoord(coord, target) { | |
865 | let othercoord = (coord == "Ci") ? "Cr" : "Ci"; | |
866 | let owndim = (coord == "Ci") ? "height" : "width"; | |
867 | let otherdim = (coord == "Ci") ? "width" : "height"; | |
868 | if (target == "scale") { | |
869 | var myscale = | |
870 | parseFloat(document.getElementById("is_" + coord + "_max").value) - | |
871 | parseFloat(document.getElementById("is_" + coord + "_min").value); | |
872 | document.getElementById("is_" + coord + "_scale").value = roundCoord(myscale); | |
873 | } | |
874 | else if (target == 'max') { | |
875 | let mymax = | |
876 | parseFloat(document.getElementById("is_" + coord + "_min").value) + | |
877 | parseFloat(document.getElementById("is_" + coord + "_scale").value); | |
878 | document.getElementById("is_" + coord + "_max").value = roundCoord(mymax); | |
879 | var myscale = document.getElementById("is_" + coord + "_scale").value; | |
880 | } | |
881 | if (document.getElementById("is_syncProp").checked) { | |
882 | let otherscale = myscale * | |
883 | document.getElementById("is_img_" + otherdim).value / | |
884 | document.getElementById("is_img_" + owndim).value; | |
885 | document.getElementById("is_" + othercoord + "_scale").value = roundCoord(otherscale); | |
886 | let othermax = | |
887 | parseFloat(document.getElementById("is_" + othercoord + "_min").value) + | |
888 | parseFloat(document.getElementById("is_" + othercoord + "_scale").value); | |
889 | document.getElementById("is_" + othercoord + "_max").value = roundCoord(othermax); | |
890 | } | |
891 | } | |
892 | ||
893 | function checkProportions() { | |
894 | if (!document.getElementById("is_syncProp").checked) { | |
895 | recalcCoord("Cr", "scale"); | |
896 | } | |
897 | } | |
898 | ||
899 | function roundCoord(floatval) { | |
900 | // We should round to 10 decimals here or so | |
901 | return parseFloat(floatval.toFixed(10)); | |
902 | } | |
903 | ||
6e98af87 RK |
904 | /***** helper functions from external sources *****/ |
905 | ||
740b86d1 RK |
906 | // function below is based on http://developer.mozilla.org/en/docs/Code_snippets:Canvas |
907 | // custom modifications: | |
908 | // - use "a"-prefix on function arguments | |
909 | // - take an nsILocalFile as aDestFile argument | |
910 | // - always do silent download | |
911 | function saveCanvas(aCanvas, aDestFile) { | |
37b05b56 RK |
912 | // create a data url from the canvas and then create URIs of the source and targets |
913 | var io = Components.classes["@mozilla.org/network/io-service;1"] | |
914 | .getService(Components.interfaces.nsIIOService); | |
740b86d1 | 915 | var source = io.newURI(aCanvas.toDataURL("image/png", ""), "UTF8", null); |
37b05b56 RK |
916 | |
917 | // prepare to save the canvas data | |
918 | var persist = Components.classes["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"] | |
919 | .createInstance(Components.interfaces.nsIWebBrowserPersist); | |
920 | ||
921 | persist.persistFlags = Components.interfaces.nsIWebBrowserPersist.PERSIST_FLAGS_REPLACE_EXISTING_FILES; | |
922 | persist.persistFlags |= Components.interfaces.nsIWebBrowserPersist.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION; | |
923 | ||
37b05b56 | 924 | // save the canvas data to the file |
740b86d1 | 925 | persist.saveURI(source, null, null, null, null, aDestFile); |
37b05b56 RK |
926 | } |
927 | ||
928 | // function below is from http://developer.mozilla.org/en/docs/How_to_Quit_a_XUL_Application | |
929 | function quitApp(aForceQuit) { | |
930 | var appStartup = Components.classes['@mozilla.org/toolkit/app-startup;1'] | |
931 | .getService(Components.interfaces.nsIAppStartup); | |
932 | ||
933 | // eAttemptQuit will try to close each XUL window, but the XUL window can cancel the quit | |
934 | // process if there is unsaved data. eForceQuit will quit no matter what. | |
935 | var quitSeverity = aForceQuit ? Components.interfaces.nsIAppStartup.eForceQuit : | |
936 | Components.interfaces.nsIAppStartup.eAttemptQuit; | |
937 | appStartup.quit(quitSeverity); | |
938 | } | |
af3c147c RK |
939 | |
940 | // functions below are from comm-central/suite/common/tasksOverlay.js | |
941 | function toOpenWindow(aWindow) { | |
942 | try { | |
943 | // Try to focus the previously focused window e.g. message compose body | |
944 | aWindow.document.commandDispatcher.focusedWindow.focus(); | |
945 | } catch (e) { | |
946 | // e.g. full-page plugin or non-XUL document; just raise the top window | |
947 | aWindow.focus(); | |
948 | } | |
949 | } | |
950 | ||
951 | function toOpenWindowByType(inType, uri, features) { | |
952 | // don't do several loads in parallel | |
953 | if (uri in window) | |
954 | return; | |
955 | ||
956 | var topWindow = Components.classes["@mozilla.org/appshell/window-mediator;1"] | |
957 | .getService(Components.interfaces.nsIWindowMediator) | |
958 | .getMostRecentWindow(inType); | |
959 | if ( topWindow ) | |
960 | toOpenWindow( topWindow ); | |
961 | else { | |
962 | // open the requested window, but block it until it's fully loaded | |
963 | function newWindowLoaded(event) { | |
964 | // make sure that this handler is called only once | |
965 | window.removeEventListener("unload", newWindowLoaded, false); | |
966 | window[uri].removeEventListener("load", newWindowLoaded, false); | |
967 | delete window[uri]; | |
968 | } | |
969 | // remember the newly loading window until it's fully loaded | |
970 | // or until the current window passes away | |
971 | window[uri] = window.openDialog(uri, "", features || "all,dialog=no"); | |
972 | window[uri].addEventListener("load", newWindowLoaded, false); | |
973 | window.addEventListener("unload", newWindowLoaded, false); | |
974 | } | |
975 | } |