X-Git-Url: https://git-public.kairo.at/?p=mandelbrot.git;a=blobdiff_plain;f=xulapp%2Fchrome%2Fmandelbrot%2Fcontent%2Fmandelbrot.js;h=1ead31e1b2cb4e0423355e5690929c69dfcf864d;hp=aab0f02b884861fc98ea39afac4be8a042c97c73;hb=72eff46498152f4affe14d5cd9489e19b35156e2;hpb=2cb9a6b558e687bc39584fb763a9455b8db00204 diff --git a/xulapp/chrome/mandelbrot/content/mandelbrot.js b/xulapp/chrome/mandelbrot/content/mandelbrot.js index aab0f02..1ead31e 100644 --- a/xulapp/chrome/mandelbrot/content/mandelbrot.js +++ b/xulapp/chrome/mandelbrot/content/mandelbrot.js @@ -40,39 +40,92 @@ var gPref = Components.classes["@mozilla.org/preferences-service;1"] .getService(Components.interfaces.nsIPrefService) .getBranch(null); var gStartTime = 0; +var gMbrotBundle; function Startup() { updateIterMenu(); updatePaletteMenu(); - document.getElementById("statusLabel").value = - document.getElementById("mbrotBundle").getString("statusEmpty"); + gMbrotBundle = document.getElementById("mbrotBundle"); + document.getElementById("statusLabel").value = gMbrotBundle.getString("statusEmpty"); } function drawImage() { let canvas = document.getElementById("mbrotImage"); let context = canvas.getContext("2d"); - document.getElementById("statusLabel").value = - document.getElementById("mbrotBundle").getString("statusDrawing"); + document.getElementById("drawButton").hidden = true; + + document.getElementById("statusLabel").value = gMbrotBundle.getString("statusDrawing"); + + 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 < -2) || (Cr_min > 2) || + (Cr_max < -2) || (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); + + 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) || (Ci_min > 2) || + (Ci_max < -2) || (Ci_max > 2) || (Ci_min >= Ci_max)) { + Ci_min = -2.0; Ci_max = 1.0; + } + gPref.setCharPref("mandelbrot.last_image.Ci_min", Ci_min); + gPref.setCharPref("mandelbrot.last_image.Ci_max", Ci_max); let iterMax = gPref.getIntPref("mandelbrot.iteration_max"); let algorithm = gPref.getCharPref("mandelbrot.use_algorithm"); - context.fillStyle = "rgb(255, 255, 255)"; + 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); + } + + 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, canvas, context, iterMax, algorithm); + drawLine(0, [Cr_min, Cr_max, Ci_min, Ci_max], + canvas, context, iterMax, algorithm); } -function drawLine(line, canvas, context, iterMax, algorithm) { - let Cr_min = -2.0; - let Cr_max = 1.0; +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 = -1.5; - let Ci_max = 1.5; + let Ci_min = dimensions[2]; + let Ci_max = dimensions[3]; let Ci_scale = Ci_max - Ci_min; let pixels = []; @@ -85,8 +138,8 @@ function drawLine(line, canvas, context, 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, canvas, context, iterMax, algorithm); - else + setTimeout(drawLine, 0, img_y, dimensions, canvas, context, iterMax, algorithm); + else if (gStartTime) EndCalc(); } @@ -94,7 +147,8 @@ function EndCalc() { let endTime = new Date(); let timeUsed = (endTime.getTime() - gStartTime.getTime()) / 1000; document.getElementById("statusLabel").value = - document.getElementById("mbrotBundle").getFormattedString("statusTime", [timeUsed.toFixed(3)]); + gMbrotBundle.getFormattedString("statusTime", [timeUsed.toFixed(3)]); + gStartTime = 0; } function complex(aReal, aImag) { @@ -204,10 +258,62 @@ function getColorPalette(palName) { } 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]; + } + 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 @@ -215,54 +321,7 @@ 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; } @@ -282,9 +341,133 @@ function drawPoint(context, img_x, img_y, C, iterMax, algorithm) { /***** pure UI functions *****/ +var zoomstart; + +function mouseevent(etype, event) { + let canvas = document.getElementById("mbrotImage"); + switch (etype) { + case 'down': + if (event.button == 0) + // left button - start dragzoom + zoomstart = {x: event.clientX - canvas.offsetLeft, + y: event.clientY - canvas.offsetTop}; + break; + case 'up': + if (event.button == 0) { + var prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"] + .getService(Components.interfaces.nsIPromptService); + var ok = prompts.confirm(null, gMbrotBundle.getString("zoomConfirmTitle"), + gMbrotBundle.getString("zoomConfirmLabel") + ' --- ' + + zoomstart.x + ',' + zoomstart.y + '-' + + (event.clientX - canvas.offsetLeft) + ',' + + (event.clientY - canvas.offsetTop)); + // ok is now true if OK was clicked, and false if cancel was clicked + } + zoomstart = undefined; + break; + } +} + function saveImage() { - // XXX: should call filepicker! - saveCanvas(document.getElementById("mbrotImage"), "/home/robert/temp/canvas-save.png") + const nsIFilePicker = Components.interfaces.nsIFilePicker; + var fp = null; + try { + fp = Components.classes["@mozilla.org/filepicker;1"] + .createInstance(nsIFilePicker); + } catch (e) {} + if (!fp) return; + var promptString = gMbrotBundle.getString("savePrompt"); + fp.init(window, promptString, nsIFilePicker.modeSave); + fp.appendFilter(gMbrotBundle.getString("pngFilterName"), "*.png"); + fp.defaultString = "mandelbrot.png"; + + var 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); + + var 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()) { + var connection = Components.classes["@mozilla.org/storage/service;1"] + .getService(Components.interfaces.mozIStorageService) + .openDatabase(file); + try { + if (connection.tableExists("bookmarks")) { + var statement = connection.createStatement( + "SELECT name FROM bookmarks ORDER BY ROWID DESC"); + while (statement.executeStep()) + aParent.appendChild(document.createElement("menuitem")) + .setAttribute("label", statement.getString(0)); + statement.reset(); + statement.finalize(); + return; + } + } finally { + connection.close(); + } + } + // Create the "Nothing Available" Menu item and disable it. + var na = aParent.appendChild(document.createElement("menuitem")); + na.setAttribute("label", gMbrotBundle.getString("noBookmarks")); + na.setAttribute("disabled", "true"); +} + +function callBookmark(evtarget) { +} + +function saveBookmark() { + // retrieve wanted bookmark name with a prompt + var prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"] + .getService(Components.interfaces.nsIPromptService); + var input = {value: ""}; // empty default value + var 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 + + var bmName = input.value; + + // Open or create the bookmarks database. + var file = Components.classes["@mozilla.org/file/directory_service;1"] + .getService(Components.interfaces.nsIProperties) + .get("ProfD", Components.interfaces.nsIFile); + file.append("mandelbookmarks.sqlite"); + var 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 + var 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, gPref.getIntPref("mandelbrot.iteration_max")); + statement.bindStringParameter(2, parseFloat(gPref.getCharPref("mandelbrot.last_image.Cr_min"))); + statement.bindStringParameter(3, parseFloat(gPref.getCharPref("mandelbrot.last_image.Cr_max"))); + statement.bindStringParameter(4, parseFloat(gPref.getCharPref("mandelbrot.last_image.Ci_min"))); + statement.bindStringParameter(5, parseFloat(gPref.getCharPref("mandelbrot.last_image.Ci_max"))); + statement.execute(); + statement.finalize(); + connection.commitTransaction(); + connection.close(); } function updateIterMenu() { @@ -348,6 +531,10 @@ function setPalette(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")); @@ -388,21 +575,41 @@ function setAlgorithm(algoID) { gPref.setCharPref("mandelbrot.use_algorithm", algoID); } +function addonsManager(aPane) { + var 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); +} -/***** helper functions from external sources *****/ +function errorConsole() { + toOpenWindowByType("global:console", "chrome://global/content/console.xul"); +} -// 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); +/***** 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"] @@ -411,14 +618,8 @@ 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 @@ -432,3 +633,40 @@ 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); + } +}