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Cleanup of SpritesheetRenderer

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This commit is contained in:
juliandescottes 2012-09-20 01:10:13 +02:00
parent 562d669ae1
commit 9aba931b0a
1 changed files with 28 additions and 25 deletions
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53
js/rendering/SpritesheetRenderer.js
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@ -2,11 +2,10 @@
var ns = $.namespace("pskl.rendering"); var ns = $.namespace("pskl.rendering");
ns.SpritesheetRenderer = function (framesheet, renderingOptions) { ns.SpritesheetRenderer = function (framesheet) {
this.framesheet = framesheet; this.framesheet = framesheet;
}; };
/** /**
* Will open a new window displaying the spritesheet as a png * Will open a new window displaying the spritesheet as a png
*/ */
@ -14,31 +13,14 @@
var canvas = this.createCanvas_(); var canvas = this.createCanvas_();
for (var i = 0 ; i < this.framesheet.getFrameCount() ; i++) { for (var i = 0 ; i < this.framesheet.getFrameCount() ; i++) {
var frame = this.framesheet.getFrameByIndex(i); var frame = this.framesheet.getFrameByIndex(i);
var offsetWidth = i * this.framesheet.getWidth(); this.drawFrameInCanvas_(frame, canvas, i * this.framesheet.getWidth(), 0);
var offsetHeight = 0;
this.drawFrameInCanvas_(frame, canvas, offsetWidth, offsetHeight);
}
var options = [
"dialog=yes", "scrollbars=no", "status=no",
"width=" + this.framesheet.getWidth() * this.framesheet.getFrameCount(),
"height="+this.framesheet.getHeight()
].join(",");
window.open(canvas.toDataURL("image/png"), "piskel-export", options);
};
ns.SpritesheetRenderer.prototype.createCanvas_ = function () {
var frameCount = this.framesheet.getFrameCount();
if (frameCount > 0){
var width = frameCount * this.framesheet.getWidth();
var height = this.framesheet.getHeight();
var canvas = pskl.CanvasUtils.createCanvas(width, height);
return canvas;
} else {
throw "Cannot render empty Spritesheet"
} }
this.openCanvasAsPNGInWindow_(canvas);
}; };
/**
* TODO : (Julz) Mutualize with code already present in FrameRenderer
*/
ns.SpritesheetRenderer.prototype.drawFrameInCanvas_ = function (frame, canvas, offsetWidth, offsetHeight) { ns.SpritesheetRenderer.prototype.drawFrameInCanvas_ = function (frame, canvas, offsetWidth, offsetHeight) {
var context = canvas.getContext('2d'); var context = canvas.getContext('2d');
for(var col = 0, width = frame.getWidth(); col < width; col++) { for(var col = 0, width = frame.getWidth(); col < width; col++) {
@ -50,5 +32,26 @@
} }
} }
} }
} };
ns.SpritesheetRenderer.prototype.createCanvas_ = function () {
var frameCount = this.framesheet.getFrameCount();
if (frameCount > 0){
var width = frameCount * this.framesheet.getWidth();
var height = this.framesheet.getHeight();
return pskl.CanvasUtils.createCanvas(width, height);
} else {
throw "Cannot render empty Spritesheet"
}
};
ns.SpritesheetRenderer.prototype.openCanvasAsPNGInWindow_ = function (canvas) {
var options = [
"dialog=yes", "scrollbars=no", "status=no",
"width=" + this.framesheet.getWidth() * this.framesheet.getFrameCount(),
"height=" + this.framesheet.getHeight()
].join(",");
window.open(canvas.toDataURL("image/png"), "piskel-export", options);
};
})(); })();