*
* ***** END LICENSE BLOCK ***** */
+Components.utils.import("resource://gre/modules/Services.jsm");
+
var gColorPalette = [];
-var gPref = Components.classes["@mozilla.org/preferences-service;1"]
- .getService(Components.interfaces.nsIPrefService)
- .getBranch(null);
var gStartTime = 0;
var gMbrotBundle;
var gCurrentImageData;
+var gLastImageData;
function Startup() {
- updateIterMenu();
- updateAlgoMenu();
- updatePaletteMenu();
gMbrotBundle = document.getElementById("mbrotBundle");
document.getElementById("statusLabel").value = gMbrotBundle.getString("statusEmpty");
img.addEventListener("touchcancel", imgEvHandler, false);
img.addEventListener("touchleave", imgEvHandler, false);
img.addEventListener("touchmove", imgEvHandler, false);
+
+ Services.obs.notifyObservers(window, "mandelbrot-loaded", null);
}
function getAdjustPref(prefname) {
case "image.height":
value = 0;
try {
- value = gPref.getIntPref("mandelbrot." + prefname);
+ value = Services.prefs.getIntPref("mandelbrot." + prefname);
}
catch (e) { }
if ((value < 10) || (value > 5000)) {
value = 300;
- gPref.setIntPref("mandelbrot." + prefname, value);
+ Services.prefs.setIntPref("mandelbrot." + prefname, value);
}
return value;
case "last_image.Cr_*":
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"));
+ Cr_min = parseFloat(Services.prefs.getCharPref("mandelbrot.last_image.Cr_min"));
+ Cr_max = parseFloat(Services.prefs.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);
+ Services.prefs.setCharPref("mandelbrot.last_image.Cr_min", Cr_min);
+ Services.prefs.setCharPref("mandelbrot.last_image.Cr_max", Cr_max);
return {Cr_min: Cr_min, Cr_max: Cr_max};
case "last_image.Ci_*":
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"));
+ Ci_min = parseFloat(Services.prefs.getCharPref("mandelbrot.last_image.Ci_min"));
+ Ci_max = parseFloat(Services.prefs.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);
+ Services.prefs.setCharPref("mandelbrot.last_image.Ci_min", Ci_min);
+ Services.prefs.setCharPref("mandelbrot.last_image.Ci_max", Ci_max);
return {Ci_min: Ci_min, Ci_max: Ci_max};
case "iteration_max":
value = 500;
try {
- value = gPref.getIntPref("mandelbrot." + prefname);
+ value = Services.prefs.getIntPref("mandelbrot." + prefname);
}
catch (e) {
setIter(value);
case "use_algorithm":
value = "numeric";
try {
- value = gPref.getCharPref("mandelbrot." + prefname);
+ value = Services.prefs.getCharPref("mandelbrot." + prefname);
}
catch (e) {
setAlgorithm(value);
case "color_palette":
value = "kairo";
try {
- value = gPref.getCharPref("mandelbrot." + prefname);
+ value = Services.prefs.getCharPref("mandelbrot." + prefname);
}
catch(e) {
setPalette(value);
case "syncProportions":
value = true;
try {
- value = gPref.getBoolPref("mandelbrot." + prefname);
+ value = Services.prefs.getBoolPref("mandelbrot." + prefname);
}
catch(e) {
- gPref.setBoolPref("mandelbrot." + prefname, value);
+ Services.prefs.setBoolPref("mandelbrot." + prefname, value);
}
return value;
default:
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);
+ Services.prefs.setCharPref("mandelbrot.last_image.Cr_min", C_mid.r - iWidth * CRatio / 2);
+ Services.prefs.setCharPref("mandelbrot.last_image.Cr_max", C_mid.r + iWidth * CRatio / 2);
+ Services.prefs.setCharPref("mandelbrot.last_image.Ci_min", C_mid.i - iHeight * CRatio / 2);
+ Services.prefs.setCharPref("mandelbrot.last_image.Ci_max", C_mid.i + iHeight * CRatio / 2);
drawImage();
}
document.getElementById("statusLabel").value = gMbrotBundle.getString("statusDrawing");
+ if (gCurrentImageData) {
+ gLastImageData = gCurrentImageData;
+ }
+
let Cr_vals = getAdjustPref("last_image.Cr_*");
let Cr_min = Cr_vals.Cr_min;
let Cr_max = Cr_vals.Cr_max;
let iterMax = getAdjustPref("iteration_max");
let algorithm = getAdjustPref("use_algorithm");
+ let currentPalette = getAdjustPref("color_palette");
+ if (!gColorPalette || !gColorPalette.length)
+ gColorPalette = getColorPalette(currentPalette);
+
let iWidth = getAdjustPref("image.width");
let iHeight = getAdjustPref("image.height");
var zoomstart;
var imgBackup;
+var zoomTouchID;
let imgEvHandler = {
handleEvent: function(aEvent) {
let canvas = document.getElementById("mbrotImage");
let context = canvas.getContext("2d");
+ let touchEvent = aEvent.type.indexOf('touch') != -1;
+
+ // Bail out if this is neither a touch nor left-click.
+ if (!touchEvent && aEvent.button != 0)
+ return;
+
+ // Bail out if the started touch can't be found.
+ if (touchEvent && zoomstart &&
+ !aEvent.changedTouches.identifiedTouch(zoomTouchID))
+ return;
+
+ let coordObj = touchEvent ?
+ aEvent.changedTouches.identifiedTouch(zoomTouchID) :
+ aEvent;
+
switch (aEvent.type) {
case 'mousedown':
case 'touchstart':
- if (aEvent.button == 0) {
- // left button - start dragzoom
- zoomstart = {x: aEvent.clientX - canvas.offsetLeft,
- y: aEvent.clientY - canvas.offsetTop};
- imgBackup = context.getImageData(0, 0, canvas.width, canvas.height);
+ if (touchEvent) {
+ zoomTouchID = aEvent.changedTouches.item(0).identifier;
+ coordObj = aEvent.changedTouches.identifiedTouch(zoomTouchID);
}
+ // left button - start dragzoom
+ zoomstart = {x: coordObj.clientX - canvas.offsetLeft,
+ y: coordObj.clientY - canvas.offsetTop};
+ imgBackup = context.getImageData(0, 0, canvas.width, canvas.height);
break;
case 'mouseup':
case 'touchend':
- if (aEvent.button == 0 && zoomstart) {
+ if (zoomstart) {
context.putImageData(imgBackup, 0, 0);
- let zoomend = {x: aEvent.clientX - canvas.offsetLeft,
- y: aEvent.clientY - canvas.offsetTop};
+ let zoomend = {x: coordObj.clientX - canvas.offsetLeft,
+ y: coordObj.clientY - canvas.offsetTop};
// make sure zoomend is bigger than zoomstart
if ((zoomend.x == zoomstart.x) || (zoomend.y == zoomstart.y)) {
break;
case 'mousemove':
case 'touchmove':
- if (aEvent.button == 0 && zoomstart) {
+ if (zoomstart) {
context.putImageData(imgBackup, 0, 0);
context.strokeStyle = "rgb(255,255,31)";
context.strokeRect(zoomstart.x, zoomstart.y,
- aEvent.clientX - canvas.offsetLeft - zoomstart.x,
- aEvent.clientY - canvas.offsetTop - zoomstart.y);
+ coordObj.clientX - canvas.offsetLeft - zoomstart.x,
+ coordObj.clientY - canvas.offsetTop - zoomstart.y);
}
break;
}
}
}
-function exitMandelbrot() {
- var appInfo = Components.classes["@mozilla.org/xre/app-info;1"]
- .getService(Components.interfaces.nsIXULAppInfo);
- if (appInfo.ID == "mandelbrot@kairo.at")
- quitApp(false);
- else
- window.close();
-}
-
function updateBookmarkMenu(aParent) {
document.getElementById("bookmarkSave").disabled =
- (!document.getElementById("drawButton").hidden || (gStartTime > 0));
+ (!document.getElementById("drawButton").hidden || (gStartTime > 0));
+
+ document.getElementById("bookmarkBack").disabled = !gLastImageData;
while (aParent.hasChildNodes() &&
aParent.lastChild.id != "bookmarkSeparator")
na.setAttribute("disabled", "true");
}
+function goBack() {
+ if (gLastImageData) {
+ Services.prefs.setIntPref("mandelbrot.iteration_max",
+ gLastImageData.iterMax);
+ // use gLastImageData.iWidth, gLastImageData.iHeight ???
+ adjustCoordsAndDraw(gLastImageData.C_min, gLastImageData.C_max);
+ gLastImageData = undefined;
+ }
+}
+
function callBookmark(evtarget) {
if (evtarget.id == "bookmarkSave" || evtarget.id == "bookmarkSeparator")
return;
connection.close();
if (iterMax && C_min && C_max) {
- gPref.setIntPref("mandelbrot.iteration_max", iterMax);
+ Services.prefs.setIntPref("mandelbrot.iteration_max", iterMax);
adjustCoordsAndDraw(C_min, C_max);
}
}
connection.close();
}
-function updateIterMenu() {
- let currentIter = getAdjustPref("iteration_max");
-
- 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 = getAdjustPref("color_palette");
- 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() {
let anchor = null;
let position = "before_start";
- if (document.getElementById("mandelbrotWindow").nodeName == "page") {
+ if (document.getElementById("mandelbrot-page").nodeName == "page") {
anchor = document.getElementById("mandelbrotToolbar");
}
else {
document.getElementById("imgSettingsPanel").showPopup(anchor, position);
}
-function updateDebugMenu() {
- let scope = (document.getElementById("mandelbrotWindow").nodeName == "page") ? "content" : "chrome";
- try {
- // This throws in versions that don't have JaegerMonkey yet --> catch block
- gPref.getBoolPref("javascript.options.methodjit." + scope);
-
- // We have JaegerMonkey, i.e. two prefs for trace/method JIT
- for each (let type in ["tracejit", "methodjit"]) {
- let jitMenuItem = document.getElementById(type + "Enabled");
- jitMenuItem.setAttribute("checked", gPref.getBoolPref("javascript.options." + type + "." + scope));
- }
- }
- catch (e) {
- // We have TraceMonkey only, i.e. one JIT pref, care only that is displayed
- for each (let type in ["tracejit", "methodjit"])
- document.getElementById(type + "Enabled").hidden = true;
- let jitMenuItem = document.getElementById("jitEnabled");
- jitMenuItem.hidden = false;
- jitMenuItem.setAttribute("checked", gPref.getBoolPref("javascript.options.jit." + scope));
- }
-}
-
-function toggleJITState(jitMenuItem, jittype) {
- let scope = (document.getElementById("mandelbrotWindow").nodeName == "page") ? "content" : "chrome";
- let jitpref = "javascript.options." + jittype + "jit." + scope;
- let jitEnabled = !gPref.getBoolPref(jitpref);
- gPref.setBoolPref(jitpref, jitEnabled)
- jitMenuItem.setAttribute("checked", jitEnabled ? "true" : "false");
-}
-
-function updateAlgoMenu() {
- let currentAlgo = getAdjustPref("use_algorithm");
-
- 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 initImgSettings() {
// Get values from prefs.
for each (let coord in ["Cr", "Ci"]) {
let context = canvas.getContext("2d");
context.fillStyle = "rgba(255, 255, 255, 127)";
context.fillRect(0, 0, canvas.width, canvas.height);
+
+ // Set lists to correct values.
+ updateIterList();
+ updatePaletteList();
+ updateAlgoList();
}
function closeImgSettings() {
function saveImgSettings() {
// Get values to prefs.
for each (let coord in ["Cr_min", "Cr_max", "Ci_min", "Ci_max"]) {
- gPref.setCharPref("mandelbrot.last_image." + coord,
- document.getElementById("is_" + coord).value);
+ Services.prefs.setCharPref("mandelbrot.last_image." + coord,
+ document.getElementById("is_" + coord).value);
}
for each (let dim in ["width", "height"]) {
- gPref.setIntPref("mandelbrot.image." + dim,
- document.getElementById("is_img_" + dim).value);
+ Services.prefs.setIntPref("mandelbrot.image." + dim,
+ document.getElementById("is_img_" + dim).value);
}
- gPref.setBoolPref("mandelbrot.syncProportions",
- document.getElementById("is_syncProp").checked);
+ Services.prefs.setBoolPref("mandelbrot.syncProportions",
+ document.getElementById("is_syncProp").checked);
}
function checkISValue(textbox, type) {
return parseFloat(floatval.toFixed(10));
}
+function updateIterList() {
+ let currentIter = getAdjustPref("iteration_max");
+ document.getElementById("iterList").value = currentIter;
+}
+
+function updatePaletteList() {
+ let currentPalette = getAdjustPref("color_palette");
+ if (!gColorPalette || !gColorPalette.length)
+ gColorPalette = getColorPalette(currentPalette);
+ document.getElementById("colorList").value = currentPalette;
+}
+
+function updateAlgoList() {
+ let currentAlgo = getAdjustPref("use_algorithm");
+ document.getElementById("algoList").value = currentAlgo;
+}
+
+function setIter(aIter) {
+ Services.prefs.setIntPref("mandelbrot.iteration_max", aIter);
+}
+
+function setPalette(aPaletteID) {
+ Services.prefs.setCharPref("mandelbrot.color_palette", aPaletteID);
+ gColorPalette = getColorPalette(aPaletteID);
+}
+
+function setAlgorithm(algoID) {
+ Services.prefs.setCharPref("mandelbrot.use_algorithm", algoID);
+}
+
+
/***** helper functions from external sources *****/
// function below is based on http://developer.mozilla.org/en/docs/Code_snippets:Canvas
projects / mandelbrot.git / blobdiff