X-Git-Url: https://git-public.kairo.at/?p=mandelbrot.git;a=blobdiff_plain;f=xulapp%2Fchrome%2Fmandelbrot%2Fcontent%2Fmandelbrot.js;h=e4c7d9a77de84f7dcae94470317f5f3ac5b86319;hp=4dd2a4b248e03a05b212e030a04c4c37bd54857c;hb=7e4a97763df3c87de84f26e740fbdaadbeb48b93;hpb=37b05b56ac0fd991bf2bacf28892a2418be4c911 diff --git a/xulapp/chrome/mandelbrot/content/mandelbrot.js b/xulapp/chrome/mandelbrot/content/mandelbrot.js index 4dd2a4b..e4c7d9a 100644 --- a/xulapp/chrome/mandelbrot/content/mandelbrot.js +++ b/xulapp/chrome/mandelbrot/content/mandelbrot.js @@ -1,54 +1,235 @@ -var gColorPalette = getColorPalette('kairo'); +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is KaiRo.at Mandelbrot, XULRunner version. + * + * The Initial Developer of the Original Code is + * Robert Kaiser . + * Portions created by the Initial Developer are Copyright (C) 2008 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Robert Kaiser + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +var gColorPalette = []; +var gPref = Components.classes["@mozilla.org/preferences-service;1"] + .getService(Components.interfaces.nsIPrefService) + .getBranch(null); +var gStartTime = 0; +var gMbrotBundle; +var gCurrentImageData; + +function Startup() { + updateIterMenu(); + updatePaletteMenu(); + gMbrotBundle = document.getElementById("mbrotBundle"); + document.getElementById("statusLabel").value = gMbrotBundle.getString("statusEmpty"); +} + +function adjustCoordsAndDraw(aC_min, aC_max) { + let iWidth = 0; + try { + iWidth = gPref.getIntPref("mandelbrot.image.width"); + } + catch (e) { } + if ((iWidth < 10) || (iWidth > 5000)) { + iWidth = 300; + gPref.setIntPref("mandelbrot.image.width", iWidth); + } + let iHeight = 0; + try { + iHeight = gPref.getIntPref("mandelbrot.image.height"); + } + catch (e) { } + if ((iHeight < 10) || (iHeight > 5000)) { + iHeight = 300; + gPref.setIntPref("mandelbrot.image.height", iHeight); + } + + // correct coordinates + if (aC_min.r < -2) + aC_min.r = -2; + if (aC_max.r > 2) + aC_max.r = 2; + if ((aC_min.r > 2) || (aC_max.r < -2) || (aC_min.r >= aC_max.r)) { + aC_min.r = -2.0; aC_max.r = 1.0; + } + if (aC_min.i < -2) + aC_min.i = -2; + if (aC_max.i > 2) + aC_max.i = 2; + if ((aC_min.i > 2) || (aC_max.i < -2) || (aC_min.i >= aC_max.i)) { + aC_min.i = -1.3; aC_max.i = 1.3; + } + + let CWidth = aC_max.r - aC_min.r; + let CHeight = aC_max.i - aC_min.i; + let C_mid = new complex(aC_min.r + CWidth / 2, aC_min.i + CHeight / 2); + + let CRatio = Math.max(CWidth / iWidth, CHeight / iHeight); + + gPref.setCharPref("mandelbrot.last_image.Cr_min", C_mid.r - iWidth * CRatio / 2); + gPref.setCharPref("mandelbrot.last_image.Cr_max", C_mid.r + iWidth * CRatio / 2); + gPref.setCharPref("mandelbrot.last_image.Ci_min", C_mid.i - iHeight * CRatio / 2); + gPref.setCharPref("mandelbrot.last_image.Ci_max", C_mid.i + iHeight * CRatio / 2); + + drawImage(); +} function drawImage() { - var canvas = document.getElementById("mbrotImage"); - if (canvas.getContext) { - var context = canvas.getContext("2d"); + let canvas = document.getElementById("mbrotImage"); + let context = canvas.getContext("2d"); - // example: - // context.fillStyle = "rgb(200,0,0)"; - // context.fillRect (10, 10, 55, 50); // x, y, width, height - // - // context.fillStyle = "rgba(0, 0, 200, 0.5)"; - // context.fillRect (30, 30, 55, 50); + document.getElementById("drawButton").hidden = true; - var Cr_min = -2.0; - var Cr_max = 1.0; - var Cr_scale = Cr_max - Cr_min; + document.getElementById("statusLabel").value = gMbrotBundle.getString("statusDrawing"); - var Ci_min = -1.5; - var Ci_max = 1.5; - var Ci_scale = Ci_max - Ci_min; + let Cr_min = -2.0; + let Cr_max = 1.0; + try { + Cr_min = parseFloat(gPref.getCharPref("mandelbrot.last_image.Cr_min")); + Cr_max = parseFloat(gPref.getCharPref("mandelbrot.last_image.Cr_max")); + } + catch (e) { } + if ((Cr_min < -3) || (Cr_min > 2) || + (Cr_max < -3) || (Cr_max > 2) || (Cr_min >= Cr_max)) { + Cr_min = -2.0; Cr_max = 1.0; + } + gPref.setCharPref("mandelbrot.last_image.Cr_min", Cr_min); + gPref.setCharPref("mandelbrot.last_image.Cr_max", Cr_max); - var iterMax = 500; + let Ci_min = -1.5; + let Ci_max = 1.5; + try { + Ci_min = parseFloat(gPref.getCharPref("mandelbrot.last_image.Ci_min")); + Ci_max = parseFloat(gPref.getCharPref("mandelbrot.last_image.Ci_max")); + } + catch (e) { } + if ((Ci_min < -2.5) || (Ci_min > 2.5) || + (Ci_max < -2.5) || (Ci_max > 2.5) || (Ci_min >= Ci_max)) { + Ci_min = -1.5; Ci_max = 1.5; + } + gPref.setCharPref("mandelbrot.last_image.Ci_min", Ci_min); + gPref.setCharPref("mandelbrot.last_image.Ci_max", Ci_max); - for (var img_x = 0; img_x < canvas.width; img_x++) { - for (var img_y = 0; img_y < canvas.height; img_y++) { - var C = new complex(Cr_min + (img_x / canvas.width) * Cr_scale, - Ci_min + (img_y / canvas.height) * Ci_scale); - window.setTimeout(drawPoint, 0, context, img_x, img_y, C, iterMax); - } - } + let iterMax = gPref.getIntPref("mandelbrot.iteration_max"); + let algorithm = gPref.getCharPref("mandelbrot.use_algorithm"); + + let iWidth = 0; + try { + iWidth = gPref.getIntPref("mandelbrot.image.width"); + } + catch (e) { } + if ((iWidth < 10) || (iWidth > 5000)) { + iWidth = 300; + gPref.setIntPref("mandelbrot.image.width", iWidth); } + let iHeight = 0; + try { + iHeight = gPref.getIntPref("mandelbrot.image.height"); + } + catch (e) { } + if ((iHeight < 10) || (iHeight > 5000)) { + iHeight = 300; + gPref.setIntPref("mandelbrot.image.height", iHeight); + } + + gCurrentImageData = { + C_min: new complex(Cr_min, Ci_min), + C_max: new complex(Cr_max, Ci_max), + iWidth: iWidth, + iHeight: iHeight, + iterMax: iterMax + }; + + canvas.width = iWidth; + canvas.height = iHeight; + + context.fillStyle = "rgba(255, 255, 255, 127)"; + context.fillRect(0, 0, canvas.width, canvas.height); + + gStartTime = new Date(); + + drawLine(0, [Cr_min, Cr_max, Ci_min, Ci_max], + canvas, context, iterMax, algorithm); +} + +function drawLine(line, dimensions, canvas, context, iterMax, algorithm) { + let Cr_min = dimensions[0]; + let Cr_max = dimensions[1]; + let Cr_scale = Cr_max - Cr_min; + + let Ci_min = dimensions[2]; + let Ci_max = dimensions[3]; + let Ci_scale = Ci_max - Ci_min; + + let pixels = []; + for (var img_y = line; img_y < canvas.height && img_y < line+8; img_y++) + for (let img_x = 0; img_x < canvas.width; img_x++) { + let C = new complex(Cr_min + (img_x / canvas.width) * Cr_scale, + Ci_min + (img_y / canvas.height) * Ci_scale); + pixels.push.apply(pixels, drawPoint(context, img_x, img_y, C, iterMax, algorithm)); + } + context.putImageData({width: canvas.width, height: pixels.length/4/canvas.width, data: pixels}, 0, line); + + if (img_y < canvas.height) + setTimeout(drawLine, 0, img_y, dimensions, canvas, context, iterMax, algorithm); + else if (gStartTime) + EndCalc(); +} + +function EndCalc() { + let endTime = new Date(); + let timeUsed = (endTime.getTime() - gStartTime.getTime()) / 1000; + document.getElementById("statusLabel").value = + gMbrotBundle.getFormattedString("statusTime", [timeUsed.toFixed(3)]); + gStartTime = 0; } function complex(aReal, aImag) { this.r = aReal; this.i = aImag; - this.square = function() { +} +complex.prototype = { + square: function() { return new complex(this.r * this.r - this.i * this.i, 2 * this.r * this.i); - } - this.dist = function() { + }, + dist: function() { return Math.sqrt(this.r * this.r + this.i * this.i); - } - this.add = function(aComplex) { + }, + add: function(aComplex) { return new complex(this.r + aComplex.r, this.i + aComplex.i); } } -function mandelbrotValue (aC, aIterMax) { - var Z = new complex(0.0, 0.0); +function mandelbrotValueOO (aC, aIterMax) { + // this would be nice code in general but it looks like JS objects are too heavy for normal use. + let Z = new complex(0.0, 0.0); for (var iter = 0; iter < aIterMax; iter++) { Z = Z.square().add(aC); if (Z.r * Z.r + Z.i * Z.i > 256) { break; } @@ -56,75 +237,142 @@ function mandelbrotValue (aC, aIterMax) { return iter; } -function getColor(aIterValue, aIterMax) { - var standardizedValue = Math.round(aIterValue * 1024 / aIterMax); - return gColorPalette[standardizedValue]; - if (aIterValue == aIterMax) { - return "rgb(0,0,0)"; - } - else { - //return "rgb(" + img_x + "," + img_y + ",0)"; - return "rgb(255,255,255)"; +function mandelbrotValueNumeric (aC, aIterMax) { + // optimized numeric code for fast calculation + let Cr = aC.r, Ci = aC.i; + let Zr = 0.0, Zi = 0.0; + let Zr2 = Zr * Zr, Zi2 = Zi * Zi; + for (var iter = 0; iter < aIterMax; iter++) { + Zi = 2 * Zr * Zi + Ci; + Zr = Zr2 - Zi2 + Cr; + + Zr2 = Zr * Zr; Zi2 = Zi * Zi; + if (Zr2 + Zi2 > 256) { break; } } + return iter; +} + +function getColor(aIterValue, aIterMax) { + let standardizedValue = Math.round(aIterValue * 1024 / aIterMax); + if (gColorPalette && gColorPalette.length) + return gColorPalette[standardizedValue]; + + // fallback to simple b/w if for some reason we don't have a palette + if (aIterValue == aIterMax) + return [0, 0, 0, 255]; + else + return [255, 255, 255, 255]; } function getColorPalette(palName) { var palette = []; switch (palName) { case 'bw': - for (var i = 0; i < 1024; i++) { - palette[i] = 'rgb(255,255,255)'; + for (let i = 0; i < 1024; i++) { + palette[i] = [255, 255, 255, 255]; } - palette[1024] = 'rgb(0,0,0)'; + palette[1024] = [0, 0, 0, 255]; break; case 'kairo': // outer areas - for (var i = 0; i < 32; i++) { - var cc1 = Math.floor(i * 127 / 31); - var cc2 = 170 - Math.floor(i * 43 / 31); - palette[i] = 'rgb(' + cc1 + ',' + cc2 + ',' + cc1 + ')'; + for (let i = 0; i < 32; i++) { + let cc1 = Math.floor(i * 127 / 31); + let cc2 = 170 - Math.floor(i * 43 / 31); + palette[i] = [cc1, cc2, cc1, 255]; } // inner areas - for (var i = 0; i < 51; i++) { - var cc = Math.floor(i * 170 / 50); - palette[32 + i] = 'rgb(' + cc + ',0,' + (170 + cc) + ')'; + for (let i = 0; i < 51; i++) { + let cc = Math.floor(i * 170 / 50); + palette[32 + i] = [cc, 0, (170-cc), 255]; } // corona - for (var i = 0; i < 101; i++) { - var cc = Math.floor(i * 200 / 100); - palette[83 + i] = 'rgb(255,' + cc + ',0)'; + for (let i = 0; i < 101; i++) { + let cc = Math.floor(i * 200 / 100); + palette[83 + i] = [255, cc, 0, 255]; } // inner corona - for (var i = 0; i < 201; i++) { - var cc1 = 255 - Math.floor(i * 85 / 200); - var cc2 = 200 - Math.floor(i * 30 / 200); - var cc3 = Math.floor(i * 170 / 200); - palette[184 + i] = 'rgb(' + cc1 + ',' + cc2 + ',' + cc3 + ')'; - } - for (var i = 0; i < 301; i++) { - var cc1 = 170 - Math.floor(i * 43 / 300); - var cc2 = 170 + Math.floor(i * 85 / 300); - palette[385 + i] = 'rgb(' + cc1 + ',' + cc1 + ',' + cc2 + ')'; - } - for (var i = 0; i < 338; i++) { - var cc = 127 + Math.floor(i * 128 / 337); - palette[686 + i] = 'rgb(' + cc + ',' + cc + ',255)'; - } - palette[1024] = 'rgb(0,0,0)'; + for (let i = 0; i < 201; i++) { + let cc1 = 255 - Math.floor(i * 85 / 200); + let cc2 = 200 - Math.floor(i * 30 / 200); + let cc3 = Math.floor(i * 170 / 200); + palette[184 + i] = [cc1, cc2, cc3, 255]; + } + for (let i = 0; i < 301; i++) { + let cc1 = 170 - Math.floor(i * 43 / 300); + let cc2 = 170 + Math.floor(i * 85 / 300); + palette[385 + i] = [cc1, cc1, cc2, 255]; + } + for (let i = 0; i < 338; i++) { + let cc = 127 + Math.floor(i * 128 / 337); + palette[686 + i] = [cc, cc, 255, 255]; + } + palette[1024] = [0, 0, 0, 255]; break; case 'rainbow-linear1': - for (var i = 0; i < 256; i++) { - palette[i] = 'rgb(' + i + ',0,0)'; - palette[256 + i] = 'rgb(255,' + i + ',0)'; - palette[512 + i] = 'rgb(' + (255 - i) + ',255,' + i + ')'; - palette[768 + i] = 'rgb(' + i + ',' + (255 - i) + ',255)'; + for (let i = 0; i < 256; i++) { + palette[i] = [i, 0, 0, 255]; + palette[256 + i] = [255, i, 0, 255]; + palette[512 + i] = [255 - i, 255, i, 255]; + palette[768 + i] = [i, 255-i, 255, 255]; + } + palette[1024] = [0, 0, 0, 255]; + break; + case 'rainbow-squared1': + for (let i = 0; i < 34; i++) { + let cc = Math.floor(i * 255 / 33); + palette[i] = [cc, 0, 0, 255]; + } + for (let i = 0; i < 137; i++) { + let cc = Math.floor(i * 255 / 136); + palette[34 + i] = [255, cc, 0, 255]; } - palette[1024] = 'rgb(0,0,0)'; + for (let i = 0; i < 307; i++) { + let cc = Math.floor(i * 255 / 306); + palette[171 + i] = [255 - cc, 255, cc, 255]; + } + for (let i = 0; i < 546; i++) { + let cc = Math.floor(i * 255 / 545); + palette[478 + i] = [cc, 255 - cc, 255, 255]; + } + palette[1024] = [0, 0, 0, 255]; + break; + case 'rainbow-linear2': + for (let i = 0; i < 205; i++) { + let cc = Math.floor(i * 255 / 204); + palette[i] = [255, cc, 0, 255]; + palette[204 + i] = [255 - cc, 255, 0, 255]; + palette[409 + i] = [0, 255, cc, 255]; + palette[614 + i] = [0, 255 - cc, 255, 255]; + palette[819 + i] = [cc, 0, 255, 255]; + } + palette[1024] = [0, 0, 0, 255]; + break; + case 'rainbow-squared2': + for (let i = 0; i < 19; i++) { + let cc = Math.floor(i * 255 / 18); + palette[i] = [255, cc, 0, 255]; + } + for (let i = 0; i < 74; i++) { + let cc = Math.floor(i * 255 / 73); + palette[19 + i] = [255 - cc, 255, 0, 255]; + } + for (let i = 0; i < 168; i++) { + let cc = Math.floor(i * 255 / 167); + palette[93 + i] = [0, 255, cc, 255]; + } + for (let i = 0; i < 298; i++) { + let cc = Math.floor(i * 255 / 297); + palette[261 + i] = [0, 255 - cc, 255, 255]; + } + for (let i = 0; i < 465; i++) { + let cc = Math.floor(i * 255 / 464); + palette[559 + i] = [cc, 0, 255, 255]; + } + palette[1024] = [0, 0, 0, 255]; break; } -/* -Select Case palnr -Case 1 'Standard-Palette (QB-Colors) + /* + 'Standard-Palette (QB-Colors) For i = 0 To 1024 xx = CInt(i * 500 / 1024 + 2) If xx <= 15 Then clr = xx @@ -132,80 +380,367 @@ Case 1 'Standard-Palette (QB-Colors) If xx >= 500 Then clr = 0 palette(i) = QBColor(clr) Next -Case 3 'Regenbogen-Palette 1 (qu.) - For i = 0 To 33 - clr = CInt(i * 255 / 33) - palette(i) = RGB(clr, 0, 0) - Next - For i = 0 To 136 - clr = CInt(i * 255 / 136) - palette(34 + i) = RGB(255, clr, 0) - Next - For i = 0 To 306 - clr = CInt(i * 255 / 306) - palette(171 + i) = RGB(255 - clr, 255, clr) - Next - For i = 0 To 545 - clr = CInt(i * 255 / 545) - palette(478 + i) = RGB(clr, 255 - clr, 255) - Next -Case 4 'Regenbogen-Palette 2 (linear) - For i = 0 To 204 - clr = CInt(i * 255 / 204) - palette(i) = RGB(255, clr, 0) - palette(204 + i) = RGB(255 - clr, 255, 0) - palette(409 + i) = RGB(0, 255, clr) - palette(614 + i) = RGB(0, 255 - clr, 255) - palette(819 + i) = RGB(clr, 0, 255) - Next -Case 5 'Regenbogen-Palette 2 (qu.) - For i = 0 To 18 - clr = CInt(i * 255 / 18) - palette(i) = RGB(255, clr, 0) - Next - For i = 0 To 73 - clr = CInt(i * 255 / 73) - palette(20 + i) = RGB(255 - clr, 255, 0) - Next - For i = 0 To 167 - clr = CInt(i * 255 / 167) - palette(93 + i) = RGB(0, 255, clr) - Next - For i = 0 To 297 - clr = CInt(i * 255 / 297) - palette(261 + i) = RGB(0, 255 - clr, 255) - Next - For i = 0 To 464 - clr = CInt(i * 255 / 464) - palette(559 + i) = RGB(clr, 0, 255) - Next -*/ + */ return palette; } -function drawPoint(context, img_x, img_y, C, iterMax) { - var itVal = mandelbrotValue(C, iterMax); - context.fillStyle = getColor(itVal, iterMax); - context.fillRect (img_x, img_y, 1, 1); // x, y, width, height +function drawPoint(context, img_x, img_y, C, iterMax, algorithm) { + var itVal; + switch (algorithm) { + case 'oo': + itVal = mandelbrotValueOO(C, iterMax); + break; + case 'numeric': + default: + itVal = mandelbrotValueNumeric(C, iterMax); + break; + } + return getColor(itVal, iterMax); +} + +/***** pure UI functions *****/ + +var zoomstart; +var imgBackup; + +function mouseevent(etype, event) { + let canvas = document.getElementById("mbrotImage"); + let context = canvas.getContext("2d"); + switch (etype) { + case 'down': + if (event.button == 0) { + // left button - start dragzoom + zoomstart = {x: event.clientX - canvas.offsetLeft, + y: event.clientY - canvas.offsetTop}; + imgBackup = context.getImageData(0, 0, canvas.width, canvas.height); + } + break; + case 'up': + if (event.button == 0 && zoomstart) { + context.putImageData(imgBackup, 0, 0); + let zoomend = {x: event.clientX - canvas.offsetLeft, + y: event.clientY - canvas.offsetTop}; + + // make sure zoomend is bigger than zoomstart + if ((zoomend.x == zoomstart.x) || (zoomend.y == zoomstart.y)) { + // cannot zoom what has no area, discard it + zoomstart = undefined; + return; + } + if (zoomend.x < zoomstart.x) + [zoomend.x, zoomstart.x] = [zoomstart.x, zoomend.x]; + if (zoomend.y < zoomstart.y) + [zoomend.y, zoomstart.y] = [zoomstart.y, zoomend.y]; + + let prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"] + .getService(Components.interfaces.nsIPromptService); + let ok = prompts.confirm(null, gMbrotBundle.getString("zoomConfirmTitle"), + gMbrotBundle.getString("zoomConfirmLabel")); + // ok is now true if OK was clicked, and false if cancel was clicked + if (ok) { + // determine new "coordinates" + let CWidth = gCurrentImageData.C_max.r - gCurrentImageData.C_min.r; + let CHeight = gCurrentImageData.C_max.i - gCurrentImageData.C_min.i; + let newC_min = new complex( + gCurrentImageData.C_min.r + zoomstart.x / gCurrentImageData.iWidth * CWidth, + gCurrentImageData.C_min.i + zoomstart.y / gCurrentImageData.iHeight * CHeight); + let newC_max = new complex( + gCurrentImageData.C_min.r + zoomend.x / gCurrentImageData.iWidth * CWidth, + gCurrentImageData.C_min.i + zoomend.y / gCurrentImageData.iHeight * CHeight); + + adjustCoordsAndDraw(newC_min, newC_max); + } + } + zoomstart = undefined; + break; + case 'move': + if (event.button == 0 && zoomstart) { + context.putImageData(imgBackup, 0, 0); + context.strokeStyle = "rgb(255,255,31)"; + context.strokeRect(zoomstart.x, zoomstart.y, + event.clientX - canvas.offsetLeft - zoomstart.x, + event.clientY - canvas.offsetTop - zoomstart.y); + } + break; + } } function saveImage() { - // should call filepicker! - saveCanvas(document.getElementById("mbrotImage"), "/home/robert/temp/canvas-save.png") + const nsIFilePicker = Components.interfaces.nsIFilePicker; + let fp = null; + try { + fp = Components.classes["@mozilla.org/filepicker;1"] + .createInstance(nsIFilePicker); + } catch (e) {} + if (!fp) return; + let promptString = gMbrotBundle.getString("savePrompt"); + fp.init(window, promptString, nsIFilePicker.modeSave); + fp.appendFilter(gMbrotBundle.getString("pngFilterName"), "*.png"); + fp.defaultString = "mandelbrot.png"; + + let fpResult = fp.show(); + if (fpResult != nsIFilePicker.returnCancel) { + saveCanvas(document.getElementById("mbrotImage"), fp.file); + } +} + +function updateBookmarkMenu(aParent) { + document.getElementById("bookmarkSave").disabled = + (!document.getElementById("drawButton").hidden || (gStartTime > 0)); + + while (aParent.hasChildNodes() && + aParent.lastChild.id != "bookmarkSeparator") + aParent.removeChild(aParent.lastChild); + + let file = Components.classes["@mozilla.org/file/directory_service;1"] + .getService(Components.interfaces.nsIProperties) + .get("ProfD", Components.interfaces.nsIFile); + file.append("mandelbookmarks.sqlite"); + if (file.exists()) { + let connection = Components.classes["@mozilla.org/storage/service;1"] + .getService(Components.interfaces.mozIStorageService) + .openDatabase(file); + try { + if (connection.tableExists("bookmarks")) { + let statement = connection.createStatement( + "SELECT name,ROWID FROM bookmarks ORDER BY ROWID ASC"); + while (statement.executeStep()) { + let newItem = aParent.appendChild(document.createElement("menuitem")); + newItem.setAttribute("label", statement.getString(0)); + newItem.setAttribute("bmRowID", statement.getString(1)); + } + statement.reset(); + statement.finalize(); + return; + } + } finally { + connection.close(); + } + } + // Create the "Nothing Available" Menu item and disable it. + let na = aParent.appendChild(document.createElement("menuitem")); + na.setAttribute("label", gMbrotBundle.getString("noBookmarks")); + na.setAttribute("disabled", "true"); +} + +function callBookmark(evtarget) { + if (evtarget.id == "bookmarkSave" || evtarget.id == "bookmarkSeparator") + return; + if (evtarget.id == "bookmarkOverview") { + adjustCoordsAndDraw(new complex(0,0), new complex(0,0)); + return; + } + + if (evtarget.getAttribute('bmRowID')) { + let iterMax = 0; + let C_min = null; + let C_max = null; + + let file = Components.classes["@mozilla.org/file/directory_service;1"] + .getService(Components.interfaces.nsIProperties) + .get("ProfD", Components.interfaces.nsIFile); + file.append("mandelbookmarks.sqlite"); + let connection = Components.classes["@mozilla.org/storage/service;1"] + .getService(Components.interfaces.mozIStorageService) + .openDatabase(file); + let statement = connection.createStatement( + "SELECT iteration_max,Cr_min,Cr_max,Ci_min,Ci_max FROM bookmarks WHERE ROWID=?1"); + statement.bindStringParameter(0, evtarget.getAttribute('bmRowID')); + while (statement.executeStep()) { + iterMax = statement.getInt32(0); + C_min = new complex(statement.getDouble(1), statement.getDouble(3)); + C_max = new complex(statement.getDouble(2), statement.getDouble(4)); + } + statement.finalize(); + connection.close(); + + if (iterMax && C_min && C_max) { + gPref.setIntPref("mandelbrot.iteration_max", iterMax); + adjustCoordsAndDraw(C_min, C_max); + } + } } -// function below is from from http://developer.mozilla.org/en/docs/Code_snippets:Canvas -function saveCanvas(canvas, destFile) { - // convert string filepath to an nsIFile - var file = Components.classes["@mozilla.org/file/local;1"] - .createInstance(Components.interfaces.nsILocalFile); - file.initWithPath(destFile); +function saveBookmark() { + // retrieve wanted bookmark name with a prompt + let prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"] + .getService(Components.interfaces.nsIPromptService); + let input = {value: ""}; // empty default value + let ok = prompts.prompt(null, gMbrotBundle.getString("saveBookmarkTitle"), gMbrotBundle.getString("saveBookmarkLabel"), input, null, {}); + // ok is true if OK is pressed, false if Cancel. input.value holds the value of the edit field if "OK" was pressed. + if (!ok || !input.value) + return + + let bmName = input.value; + + // Open or create the bookmarks database. + let file = Components.classes["@mozilla.org/file/directory_service;1"] + .getService(Components.interfaces.nsIProperties) + .get("ProfD", Components.interfaces.nsIFile); + file.append("mandelbookmarks.sqlite"); + let connection = Components.classes["@mozilla.org/storage/service;1"] + .getService(Components.interfaces.mozIStorageService) + .openDatabase(file); + connection.beginTransaction(); + if (!connection.tableExists("bookmarks")) + connection.createTable("bookmarks", "name TEXT, iteration_max INTEGER, Cr_min REAL, Cr_max REAL, Ci_min REAL, Ci_max REAL"); + // NULL. The value is a NULL value. + // INTEGER. The value is a signed integer, stored in 1, 2, 3, 4, 6, or 8 bytes depending on the magnitude of the value. + // REAL. The value is a floating point value, stored as an 8-byte IEEE floating point number. + // TEXT. The value is a text string, stored using the database encoding (UTF-8, UTF-16BE or UTF-16-LE). + + // Put value of the current image into the bookmarks table + let statement = connection.createStatement( + "INSERT INTO bookmarks (name,iteration_max,Cr_min,Cr_max,Ci_min,Ci_max) VALUES (?1,?2,?3,?4,?5,?6)"); + statement.bindStringParameter(0, bmName); + statement.bindStringParameter(1, gCurrentImageData.iterMax); + statement.bindStringParameter(2, gCurrentImageData.C_min.r); + statement.bindStringParameter(3, gCurrentImageData.C_max.r); + statement.bindStringParameter(4, gCurrentImageData.C_min.i); + statement.bindStringParameter(5, gCurrentImageData.C_max.i); + statement.execute(); + statement.finalize(); + connection.commitTransaction(); + connection.close(); +} + +function updateIterMenu() { + let currentIter = 0; + try { + currentIter = gPref.getIntPref("mandelbrot.iteration_max"); + } + catch(e) { } + if (currentIter < 10) { + currentIter = 500; + setIter(currentIter); + } + + let popup = document.getElementById("menu_iterPopup"); + let item = popup.firstChild; + while (item) { + if (item.getAttribute("name") == "iter") { + if (item.getAttribute("value") == currentIter) + item.setAttribute("checked","true"); + else + item.removeAttribute("checked"); + } + item = item.nextSibling; + } +} + +function setIter(aIter) { + gPref.setIntPref("mandelbrot.iteration_max", aIter); +} +function updatePaletteMenu() { + let currentPalette = ''; + try { + currentPalette = gPref.getCharPref("mandelbrot.color_palette"); + } + catch(e) { } + if (!currentPalette.length) { + currentPalette = 'kairo'; + setPalette(currentPalette); + } + if (!gColorPalette || !gColorPalette.length) + gColorPalette = getColorPalette(currentPalette); + + let popup = document.getElementById("menu_palettePopup"); + let item = popup.firstChild; + while (item) { + if (item.getAttribute("name") == "palette") { + if (item.getAttribute("value") == currentPalette) + item.setAttribute("checked", "true"); + else + item.removeAttribute("checked"); + } + item = item.nextSibling; + } +} + +function setPalette(aPaletteID) { + gPref.setCharPref("mandelbrot.color_palette", aPaletteID); + gColorPalette = getColorPalette(aPaletteID); +} + +function imgSettings() { + window.openDialog("chrome://mandelbrot/content/image-settings.xul"); +} + +function updateDebugMenu() { + var jitMenuItem = document.getElementById("jitEnabled"); + jitMenuItem.setAttribute("checked", gPref.getBoolPref("javascript.options.jit.chrome")); +} + +function toggleJITState(jitMenuItem) { + var jitEnabled = !gPref.getBoolPref("javascript.options.jit.chrome"); + gPref.setBoolPref("javascript.options.jit.chrome", jitEnabled) + jitMenuItem.setAttribute("checked", jitEnabled? "true" : "false"); +} + +function updateAlgoMenu() { + let currentAlgo = ''; + try { + currentAlgo = gPref.getCharPref("mandelbrot.use_algorithm"); + } + catch(e) { } + if (!currentAlgo.length) { + currentAlgo = 'numeric'; + setAlgorithm(currentAlgo); + } + + let popup = document.getElementById("menu_algoPopup"); + let item = popup.firstChild; + while (item) { + if (item.getAttribute("name") == "algorithm") { + if (item.getAttribute("value") == currentAlgo) + item.setAttribute("checked", "true"); + else + item.removeAttribute("checked"); + } + item = item.nextSibling; + } +} + +function setAlgorithm(algoID) { + gPref.setCharPref("mandelbrot.use_algorithm", algoID); +} + +function addonsManager(aPane) { + let theEM = Components.classes["@mozilla.org/appshell/window-mediator;1"] + .getService(Components.interfaces.nsIWindowMediator) + .getMostRecentWindow("Extension:Manager"); + if (theEM) { + theEM.focus(); + if (aPane) + theEM.showView(aPane); + return; + } + + const EMURL = "chrome://mozapps/content/extensions/extensions.xul"; + const EMFEATURES = "all,dialog=no"; + if (aPane) + window.openDialog(EMURL, "", EMFEATURES, aPane); + else + window.openDialog(EMURL, "", EMFEATURES); +} + +function errorConsole() { + toOpenWindowByType("global:console", "chrome://global/content/console.xul"); +} + +/***** helper functions from external sources *****/ + +// function below is based on http://developer.mozilla.org/en/docs/Code_snippets:Canvas +// custom modifications: +// - use "a"-prefix on function arguments +// - take an nsILocalFile as aDestFile argument +// - always do silent download +function saveCanvas(aCanvas, aDestFile) { // create a data url from the canvas and then create URIs of the source and targets var io = Components.classes["@mozilla.org/network/io-service;1"] .getService(Components.interfaces.nsIIOService); - var source = io.newURI(canvas.toDataURL("image/png", ""), "UTF8", null); - var target = io.newFileURI(file); + var source = io.newURI(aCanvas.toDataURL("image/png", ""), "UTF8", null); // prepare to save the canvas data var persist = Components.classes["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"] @@ -214,14 +749,8 @@ function saveCanvas(canvas, destFile) { persist.persistFlags = Components.interfaces.nsIWebBrowserPersist.PERSIST_FLAGS_REPLACE_EXISTING_FILES; persist.persistFlags |= Components.interfaces.nsIWebBrowserPersist.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION; - // displays a download dialog (remove these 3 lines for silent download) - var xfer = Components.classes["@mozilla.org/transfer;1"] - .createInstance(Components.interfaces.nsITransfer); - xfer.init(source, target, "", null, null, null, persist); - persist.progressListener = xfer; - // save the canvas data to the file - persist.saveURI(source, null, null, null, null, file); + persist.saveURI(source, null, null, null, null, aDestFile); } // function below is from http://developer.mozilla.org/en/docs/How_to_Quit_a_XUL_Application @@ -235,3 +764,40 @@ function quitApp(aForceQuit) { Components.interfaces.nsIAppStartup.eAttemptQuit; appStartup.quit(quitSeverity); } + +// functions below are from comm-central/suite/common/tasksOverlay.js +function toOpenWindow(aWindow) { + try { + // Try to focus the previously focused window e.g. message compose body + aWindow.document.commandDispatcher.focusedWindow.focus(); + } catch (e) { + // e.g. full-page plugin or non-XUL document; just raise the top window + aWindow.focus(); + } +} + +function toOpenWindowByType(inType, uri, features) { + // don't do several loads in parallel + if (uri in window) + return; + + var topWindow = Components.classes["@mozilla.org/appshell/window-mediator;1"] + .getService(Components.interfaces.nsIWindowMediator) + .getMostRecentWindow(inType); + if ( topWindow ) + toOpenWindow( topWindow ); + else { + // open the requested window, but block it until it's fully loaded + function newWindowLoaded(event) { + // make sure that this handler is called only once + window.removeEventListener("unload", newWindowLoaded, false); + window[uri].removeEventListener("load", newWindowLoaded, false); + delete window[uri]; + } + // remember the newly loading window until it's fully loaded + // or until the current window passes away + window[uri] = window.openDialog(uri, "", features || "all,dialog=no"); + window[uri].addEventListener("load", newWindowLoaded, false); + window.addEventListener("unload", newWindowLoaded, false); + } +}