dakedres/ronin
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Damn, I broke Chromatic

Browse Source
This commit is contained in:
Devine Lu Linvega 2017-01-11 15:32:51 -07:00
parent efc8ac170f
commit b6a61cd0d5
6 changed files with 46 additions and 68 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
index.html
View File

@ -33,11 +33,11 @@
<script type="text/javascript" src="scripts/filters/stencil.js"></script>
<script type="text/javascript" src="scripts/filters/rotate.js"></script>
<script type="text/javascript" src="scripts/filters/invert.js"></script>
<script type="text/javascript" src="scripts/filters/chromatic.js"></script>
<!-- Need to migrate
<script type="text/javascript" src="scripts/filters/saturation.js"></script>
<script type="text/javascript" src="scripts/filters/chromatic.js"></script>
<script type="text/javascript" src="scripts/filters/offset.js"></script>
<script type="text/javascript" src="scripts/filters/eval.js"></script>
<script type="text/javascript" src="scripts/filters/balance.js"></script>
-->

38
scripts/filters/_chromatic.js
View File

@ -1,38 +0,0 @@
Filter.prototype.filter_chromatic = function(pixels = this.pixels(),p = null)
{
var s;
if(p.length === 0)
s = {r:2,g:2,b:2};
else if(p.length < 3)
s = {r:parseFloat(p[0]), g:parseFloat(p[0])*.5, b:0};
else
s = {r:parseFloat(p[0]), g:parseFloat(p[1]), b:parseFloat(p[2])};
var hw = pixels.width*.5;
var hh = pixels.height*.5;
var maxLength = Math.sqrt(hw*hw+hh*hh);
var output = new ImageData(pixels.width, pixels.height);
for (var i=0; i<pixels.width; i++) {
for(var j=0; j<pixels.height; j++){
var x = i-hw;
var y = j-hh;
var a = Math.atan2(y,x);
var d = Math.sqrt(x*x+y*y);
var f = (d-s.r*d/maxLength);
x = Math.cos(a)*f+hw;
y = Math.sin(a)*f+hh;
var r = this.get_color_bilinear(pixels, x, y);
f = (d-s.g*d/maxLength);
x = Math.cos(a)*f+hw;
y = Math.sin(a)*f+hh;
var g = this.get_color_bilinear(pixels, x, y);
f = (d-s.b*d/maxLength);
x = Math.cos(a)*f+hw;
y = Math.sin(a)*f+hh;
var b = this.get_color_bilinear(pixels, x, y);
var c = {r:r.r, g:g.g, b:b.b,a:Math.max(r.a, Math.max(g.a,b.a))};
this.set_color(output, c, i,j);
}
}
ronin.canvas.clear();
ronin.surface.context().putImageData(output, 0, 0, 0, 0, pixels.width, pixels.height);
}

27
scripts/filters/_eval.js
View File

@ -1,27 +0,0 @@
Filter.prototype.filter_eval = function(pixels = this.pixels(),p = null)
{
console.log("working");
// : eval {x} % 100 == 0
var data = pixels.data;
for (var i = 0; i < data.length; i += 4) {
var x = (i/4) % pixels.width;
var y = Math.floor((i/4)/pixels.width);
var q = (x % parseInt(p[0]) === 0 && y % parseInt(p[1]) === 0);
if(x % 20 == 0 && y % 20 == 0){
data[i] = 50; // red
data[i + 1] = 50; // green
data[i + 2] = 50; // blue
data[i + 3] = 255; // alpha?
}
}
ronin.canvas.clear();
ronin.surface.context().putImageData(pixels, 0, 0, 0, 0, pixels.width, pixels.height);
console.log("done.");
}

43
scripts/filters/chromatic.js Normal file
View File

@ -0,0 +1,43 @@
function Filter_Chromatic()
{
Filter.call(this);
this.parameters = [];
// var pixels = this.pixels();
// var s;
// if(p.length === 0)
// s = {r:2,g:2,b:2};
// else if(p.length < 3)
// s = {r:parseFloat(p[0]), g:parseFloat(p[0])*.5, b:0};
// else
// s = {r:parseFloat(p[0]), g:parseFloat(p[1]), b:parseFloat(p[2])};
// var hw = pixels.width*.5;
// var hh = pixels.height*.5;
// var maxLength = Math.sqrt(hw*hw+hh*hh);
// var output = new ImageData(pixels.width, pixels.height);
// for (var i=0; i<pixels.width; i++) {
// for(var j=0; j<pixels.height; j++){
// var x = i-hw;
// var y = j-hh;
// var a = Math.atan2(y,x);
// var d = Math.sqrt(x*x+y*y);
// var f = (d-s.r*d/maxLength);
// x = Math.cos(a)*f+hw;
// y = Math.sin(a)*f+hh;
// var r = this.get_color_bilinear(pixels, x, y);
// f = (d-s.g*d/maxLength);
// x = Math.cos(a)*f+hw;
// y = Math.sin(a)*f+hh;
// var g = this.get_color_bilinear(pixels, x, y);
// f = (d-s.b*d/maxLength);
// x = Math.cos(a)*f+hw;
// y = Math.sin(a)*f+hh;
// var b = this.get_color_bilinear(pixels, x, y);
// var c = {r:r.r, g:g.g, b:b.b,a:Math.max(r.a, Math.max(g.a,b.a))};
// this.set_color(output, c, i,j);
// }
// }
// ronin.canvas.clear();
// ronin.surface.context().putImageData(output, 0, 0, 0, 0, pixels.width, pixels.height);
}

1
scripts/filters/invert.js
View File

@ -22,5 +22,4 @@ function Filter_Invert()
ronin.surface.active_layer.clear();
context.putImageData(imageData, 0, 0);
}
}

1
scripts/modules/render.js
View File

@ -8,6 +8,7 @@ function Render(rune)
this.collection["stencil"] = new Filter_Stencil();
this.collection["rotate"] = new Filter_Rotate();
this.collection["invert"] = new Filter_Invert();
this.collection["chromatic"] = new Filter_Chromatic();
this.active = function(cmd)
{