let canvas = document.getElementById("mbrotImage");
let context = canvas.getContext("2d");
+ document.getElementById("drawButton").hidden = true;
+
document.getElementById("statusLabel").value =
document.getElementById("mbrotBundle").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;
- try {
- Cr_min = gPref.getCharPref("mandelbrot.last_image.Cr_min");
- Cr_max = gPref.getCharPref("mandelbrot.last_image.Cr_max");
- }
- catch (e) { }
+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;
- try {
- Cr_min = gPref.getCharPref("mandelbrot.last_image.Ci_min");
- Cr_max = gPref.getCharPref("mandelbrot.last_image.Ci_max");
- }
- catch (e) { }
+ let Ci_min = dimensions[2];
+ let Ci_max = dimensions[3];
let Ci_scale = Ci_max - Ci_min;
let pixels = [];
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();
}
/***** 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)
+ alert(zoomstart.x + ',' + zoomstart.y + '-' +
+ (event.clientX - canvas.offsetLeft) + ',' +
+ (event.clientY - canvas.offsetTop));
+ zoomstart = undefined;
+ break;
+ }
+}
+
function saveImage() {
const bundle = document.getElementById("mbrotBundle");
const nsIFilePicker = Components.interfaces.nsIFilePicker;
}
}
+function updateBookmarksMenu(aParent) {
+ /* from SM UBhistory, needs to be adapted
+ while (aParent.hasChildNodes())
+ 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("urlbarhistory.sqlite");
+ if (file.exists()) {
+ var connection = Components.classes["@mozilla.org/storage/service;1"]
+ .getService(Components.interfaces.mozIStorageService)
+ .openDatabase(file);
+ try {
+ if (connection.tableExists("urlbarhistory")) {
+ var statement = connection.createStatement(
+ "SELECT url FROM urlbarhistory 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", gNavigatorBundle.getString("nothingAvailable"));
+ na.setAttribute("disabled", "true");
+ */
+}
+
+function callBookmark(evtarget) {
+}
+
+function saveBookmark() {
+ /* from SM UBhistory, needs to be adapted
+ // Open or create the urlbar history database.
+ var file = Components.classes["@mozilla.org/file/directory_service;1"]
+ .getService(Components.interfaces.nsIProperties)
+ .get("ProfD", Components.interfaces.nsIFile);
+ file.append("urlbarhistory.sqlite");
+ var connection = Components.classes["@mozilla.org/storage/service;1"]
+ .getService(Components.interfaces.mozIStorageService)
+ .openDatabase(file);
+ connection.beginTransaction();
+ if (!connection.tableExists("urlbarhistory"))
+ connection.createTable("urlbarhistory", "url TEXT, foo INTEGER, bar 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 the value as it was typed by the user in to urlbar history
+ statement = connection.createStatement(
+ "INSERT INTO urlbarhistory (url) VALUES (?1)");
+ statement.bindStringParameter(0, aUrlToAdd);
+ statement.execute();
+ statement.finalize();
+ */
+}
+
function updateIterMenu() {
try {
var currentIter = gPref.getIntPref("mandelbrot.iteration_max");
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);
+}
+
+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
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);
+ }
+}
projects / mandelbrot.git / blobdiff