var gStartTime = 0;
var gMbrotBundle;
var gCurrentImageData;
+var gLastImageData;
function Startup() {
gMbrotBundle = document.getElementById("mbrotBundle");
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;