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Code Issues Projects Releases Wiki Activity

Moving (rendering related) DPI into FrameRenderer domain object

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Vince
2012-09-08 12:24:55 +02:00
parent 022773d3ab
commit 9411b2e3ae
4 changed files with 23 additions and 14 deletions
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21
js/rendering/FrameRenderer.js
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@ -1,20 +1,29 @@
(function () {
var ns = $.namespace("pskl.rendering");
ns.FrameRenderer = function () {};
ns.FrameRenderer.prototype.render = function (frame, canvas, dpi) {
this.dpi = null;
ns.FrameRenderer = function (dpi) {
if(dpi == undefined || isNaN(dpi)) {
throw "Bad FrameRenderer initialization. <dpi> not well defined.";
}
this.dpi = dpi;
};
ns.FrameRenderer.prototype.render = function (frame, canvas) {
for(var col = 0, width = frame.getWidth(); col < width; col++) {
for(var row = 0, height = frame.getHeight(); row < height; row++) {
this.drawPixel(col, row, frame, canvas, dpi);
this.drawPixel(col, row, frame, canvas, this.dpi);
}
}
};
ns.FrameRenderer.prototype.drawPixel = function (col, row, frame, canvas, dpi) {
ns.FrameRenderer.prototype.drawPixel = function (col, row, frame, canvas) {
var context = canvas.getContext('2d');
var color = frame.getPixel(col, row);
if(color == Constants.TRANSPARENT_COLOR) {
context.clearRect(col * dpi, row * dpi, dpi, dpi);
context.clearRect(col * this.dpi, row * this.dpi, this.dpi, this.dpi);
}
else {
if(color != Constants.SELECTION_TRANSPARENT_COLOR) {
@ -22,7 +31,7 @@
$.publish(Events.COLOR_USED, [color]);
}
context.fillStyle = color;
context.fillRect(col * dpi, row * dpi, dpi, dpi);
context.fillRect(col * this.dpi, row * this.dpi, this.dpi, this.dpi);
}
};
})();