36 lines
No EOL
1 KiB
JavaScript
36 lines
No EOL
1 KiB
JavaScript
(function () {
|
|
|
|
var ns = $.namespace("pskl.rendering");
|
|
ns.CanvasRenderer = function (frame, dpi) {
|
|
this.frame = frame;
|
|
this.dpi = dpi;
|
|
};
|
|
|
|
ns.CanvasRenderer.prototype.render = function (frame, dpi) {
|
|
var canvas = this.createCanvas_();
|
|
var context = canvas.getContext('2d');
|
|
for(var col = 0, width = this.frame.getWidth(); col < width; col++) {
|
|
for(var row = 0, height = this.frame.getHeight(); row < height; row++) {
|
|
var color = this.frame.getPixel(col, row);
|
|
this.renderPixel_(color, col, row, context);
|
|
}
|
|
}
|
|
|
|
return context;
|
|
};
|
|
|
|
ns.CanvasRenderer.prototype.renderPixel_ = function (color, col, row, context) {
|
|
if(color == Constants.TRANSPARENT_COLOR) {
|
|
color = "#FFF";
|
|
}
|
|
|
|
context.fillStyle = color;
|
|
context.fillRect(col * this.dpi, row * this.dpi, this.dpi, this.dpi);
|
|
};
|
|
|
|
ns.CanvasRenderer.prototype.createCanvas_ = function () {
|
|
var width = this.frame.getWidth() * this.dpi;
|
|
var height = this.frame.getHeight() * this.dpi;
|
|
return pskl.CanvasUtils.createCanvas(width, height);
|
|
};
|
|
})(); |