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Code Issues Releases Wiki Activity

Added touch support to bitmap editor

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This commit is contained in:
Jeremy Ruston 2012-04-01 09:59:49 +01:00
parent 1e54001672
commit d985f9b09e
1 changed files with 24 additions and 1 deletions
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25
js/macros/edit.js
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@ -34,6 +34,29 @@ BitmapEditor.prototype.renderInDom = function() {
BitmapEditor.prototype.addEventHandlers = function() { BitmapEditor.prototype.addEventHandlers = function() {
var self = this; var self = this;
this.macroNode.domNode.addEventListener("touchstart",function(event) {
self.brushDown = true;
event.preventDefault();
event.stopPropagation();
return false;
},false);
this.macroNode.domNode.addEventListener("touchmove",function(event) {
if(self.brushDown) {
self.moveTo(event.touches[0].clientX,event.touches[0].clientY);
}
event.preventDefault();
event.stopPropagation();
return false;
},false);
this.macroNode.domNode.addEventListener("touchend",function(event) {
if(self.brushDown) {
self.brushDown = false;
self.saveChanges();
}
event.preventDefault();
event.stopPropagation();
return false;
},false);
this.macroNode.domNode.addEventListener("mousedown",function(event) { this.macroNode.domNode.addEventListener("mousedown",function(event) {
self.brushDown = true; self.brushDown = true;
event.stopPropagation(); event.stopPropagation();
@ -71,7 +94,7 @@ BitmapEditor.prototype.saveChanges = function() {
var tiddler = this.macroNode.store.getTiddler(this.macroNode.tiddlerTitle); var tiddler = this.macroNode.store.getTiddler(this.macroNode.tiddlerTitle);
if(tiddler) { if(tiddler) {
// data URIs look like "data:<type>;base64,<text>" // data URIs look like "data:<type>;base64,<text>"
var dataURL = this.macroNode.content[0].domNode.toDataURL(tiddler.type), var dataURL = this.macroNode.content[0].domNode.toDataURL(tiddler.type,0.95),
posColon = dataURL.indexOf(":"), posColon = dataURL.indexOf(":"),
posSemiColon = dataURL.indexOf(";"), posSemiColon = dataURL.indexOf(";"),
posComma = dataURL.indexOf(","), posComma = dataURL.indexOf(","),