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fixed layer drawFunc bug. Now using call() for layer beforeDraw and afterDraw custom functions so that they are executed from the layer's context

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This commit is contained in:
Eric Rowell
2012-05-19 22:18:33 -07:00
parent 7fcf5f156a
commit 97ddb507ea
3 changed files with 36 additions and 38 deletions
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35
dist/kinetic-core.js vendored
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@@ -2315,7 +2315,6 @@ Kinetic.Layer = function(config) {
this.lastDrawTime = 0;
this.beforeDrawFunc = undefined;
this.afterDrawFunc = undefined;
this.drawFunc = undefined;
this.canvas = document.createElement('canvas');
this.context = this.canvas.getContext('2d');
@@ -2338,11 +2337,11 @@ Kinetic.Layer.prototype = {
var date = new Date();
var time = date.getTime();
var timeDiff = time - this.lastDrawTime;
var tt = 1000 / throttle;
var tt = 1000 / throttle;
if(timeDiff >= tt) {
this._draw();
if(this.drawTimeout !== undefined) {
clearTimeout(this.drawTimeout);
this.drawTimeout = undefined;
@@ -2354,12 +2353,12 @@ Kinetic.Layer.prototype = {
*/
else if(this.drawTimeout === undefined) {
var that = this;
/*
* wait 17ms before trying again (60fps)
*/
/*
* wait 17ms before trying again (60fps)
*/
this.drawTimeout = setTimeout(function() {
that.draw();
}, 17);
}, 17);
}
},
/**
@@ -2429,29 +2428,29 @@ Kinetic.Layer.prototype = {
* private draw children
*/
_draw: function() {
var date = new Date();
var date = new Date();
var time = date.getTime();
this.lastDrawTime = time;
this.lastDrawTime = time;
// before draw handler
if(this.beforeDrawFunc !== undefined) {
this.beforeDrawFunc();
this.beforeDrawFunc.call(this);
}
this.clear();
if(this.attrs.visible) {
// draw custom func
if (this.drawFunc !== undefined) {
this.drawFunc();
}
// draw children
// draw custom func
if(this.attrs.drawFunc !== undefined) {
this.attrs.drawFunc.call(this);
}
// draw children
this._drawChildren();
}
// after draw handler
if(this.afterDrawFunc !== undefined) {
this.afterDrawFunc();
this.afterDrawFunc.call(this);
}
}
};

4
dist/kinetic-core.min.js vendored
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File diff suppressed because one or more lines are too long

35
src/Layer.js
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@@ -18,7 +18,6 @@ Kinetic.Layer = function(config) {
this.lastDrawTime = 0;
this.beforeDrawFunc = undefined;
this.afterDrawFunc = undefined;
this.drawFunc = undefined;
this.canvas = document.createElement('canvas');
this.context = this.canvas.getContext('2d');
@@ -41,11 +40,11 @@ Kinetic.Layer.prototype = {
var date = new Date();
var time = date.getTime();
var timeDiff = time - this.lastDrawTime;
var tt = 1000 / throttle;
var tt = 1000 / throttle;
if(timeDiff >= tt) {
this._draw();
if(this.drawTimeout !== undefined) {
clearTimeout(this.drawTimeout);
this.drawTimeout = undefined;
@@ -57,12 +56,12 @@ Kinetic.Layer.prototype = {
*/
else if(this.drawTimeout === undefined) {
var that = this;
/*
* wait 17ms before trying again (60fps)
*/
/*
* wait 17ms before trying again (60fps)
*/
this.drawTimeout = setTimeout(function() {
that.draw();
}, 17);
}, 17);
}
},
/**
@@ -132,29 +131,29 @@ Kinetic.Layer.prototype = {
* private draw children
*/
_draw: function() {
var date = new Date();
var date = new Date();
var time = date.getTime();
this.lastDrawTime = time;
this.lastDrawTime = time;
// before draw handler
if(this.beforeDrawFunc !== undefined) {
this.beforeDrawFunc();
this.beforeDrawFunc.call(this);
}
this.clear();
if(this.attrs.visible) {
// draw custom func
if (this.drawFunc !== undefined) {
this.drawFunc();
}
// draw children
// draw custom func
if(this.attrs.drawFunc !== undefined) {
this.attrs.drawFunc.call(this);
}
// draw children
this._drawChildren();
}
// after draw handler
if(this.afterDrawFunc !== undefined) {
this.afterDrawFunc();
this.afterDrawFunc.call(this);
}
}
};