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updated Sepia filter and tests

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This commit is contained in:
Eric Rowell 2014-01-03 17:31:38 -08:00
parent 6ddefa05b5
commit 5060fbb8cb
3 changed files with 20 additions and 95 deletions
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34
src/filters/Sepia.js
View File

@ -10,21 +10,12 @@
* @license MPL v1.1 [http://www.pixastic.com/lib/license.txt]
*/
var Sepia = function (src, dst, opt) {
var data = src.data,
w = src.width,
y = src.height,
dstData = dst.data,
Kinetic.Filters.Sepia = function (imageData) {
var data = imageData.data,
w = imageData.width,
y = imageData.height,
w4 = w*4,
offsetY,
x,
offset,
or,
og,
ob,
r,
g,
b;
offsetY, x, offset, or, og, ob, r, g, b;
do {
offsetY = (y-1)*w4;
@ -40,20 +31,13 @@
g = or * 0.349 + og * 0.686 + ob * 0.168;
b = or * 0.272 + og * 0.534 + ob * 0.131;
dstData[offset] = r > 255 ? 255 : r;
dstData[offset+1] = g > 255 ? 255 : g;
dstData[offset+2] = b > 255 ? 255 : b;
dstData[offset+3] = data[offset+3];
data[offset] = r > 255 ? 255 : r;
data[offset+1] = g > 255 ? 255 : g;
data[offset+2] = b > 255 ? 255 : b;
data[offset+3] = data[offset+3];
} while (--x);
} while (--y);
};
Kinetic.Filters.Sepia = function(src,dst,opt){
if( this === Kinetic.Filters ){
Sepia(src, dst||src, opt );
}else{
Sepia.call(this, src, dst||src, {} );
}
};
})();

4
test/runner.html
View File

@ -95,8 +95,8 @@
<script src="unit/filters/Threshold-test.js"></script>
<script src="unit/filters/Levels-test.js"></script>
<!--<script src="unit/filters/Sepia-test.js"></script>
-->
<script src="unit/filters/Sepia-test.js"></script>
<!--=============== functional tests ================-->

77
test/unit/filters/Sepia-test.js
View File

@ -17,7 +17,8 @@ suite('Filter Sepia', function() {
layer.add(darth);
stage.add(layer);
darth.setFilter(Kinetic.Filters.Sepia);
darth.cache();
darth.filters([Kinetic.Filters.Sepia]);
layer.draw();
done();
@ -39,13 +40,17 @@ suite('Filter Sepia', function() {
y: 10,
image: imageObj,
crop: {x:128, y:48, width:256, height:128},
filter: Kinetic.Filters.Sepia,
draggable: true
});
layer.add(darth);
stage.add(layer);
darth.cache();
darth.filters([Kinetic.Filters.Sepia]);
layer.draw();
done();
};
@ -70,7 +75,8 @@ suite('Filter Sepia', function() {
layer.add(darth);
stage.add(layer);
darth.setFilter(Kinetic.Filters.Sepia);
darth.cache();
darth.filters([Kinetic.Filters.Sepia]);
layer.draw();
done();
@ -78,69 +84,4 @@ suite('Filter Sepia', function() {
imageObj.src = 'assets/lion.png';
});
// ======================================================
test('half layer', function (done) {
var stage = addStage();
var shapesLayer = new Kinetic.Layer();
// The important line!
shapesLayer.on('draw', function () {
var imageData = this.getContext().getImageData(0,0,this.getCanvas().width/2,this.getCanvas().height);
var scratchData = this.getContext().createImageData(imageData); // only size copied
Kinetic.Filters.Sepia(imageData,scratchData,{});
this.getContext().putImageData(scratchData,0,0);
});
var triangle = new Kinetic.RegularPolygon({
x: stage.getWidth() / 4,
y: stage.getHeight() / 2,
sides: 3,
radius: 80,
fillRadialGradientStartPoint: 0,
fillRadialGradientStartRadius: 0,
fillRadialGradientEndPoint: 0,
fillRadialGradientEndRadius: 70,
fillRadialGradientColorStops: [0, '#881111', 0.5, '#888811', 1, '#000088'],
stroke: 'black',
strokeWidth: 4,
draggable: true
});
var circle = new Kinetic.Circle({
x: 3 * stage.getWidth() / 4,
y: stage.getHeight() / 2,
radius: 70,
fill: '#880000',
stroke: 'black',
strokeWidth: 4,
draggable: true,
id: 'myCircle'
});
for( var i=0; i<10; i+=1 ){
for( var j=0; j<10; j+=1 ){
var rect = new Kinetic.Rect({
x: i/10*stage.getWidth(),
y: j/10*stage.getHeight(),
width: stage.getWidth()/10,
height: stage.getHeight()/10,
fill: (i+j)%2===0?'#FF0000':'#FFFF00',
stroke: 'black',
strokeWidth: 4,
draggable: true
});
shapesLayer.add(rect);
}
}
shapesLayer.add(circle);
shapesLayer.add(triangle);
stage.add(shapesLayer);
done();
});
});