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Merge branch 'main' into HarshKhandeparkar-patch-2

Browse Source
This commit is contained in:
Harsh Khandeparkar
2020-07-08 10:55:08 +05:30
committed by GitHub
parent d6b687b1a7 a5abbeaf76
commit 0612cec6ba
18 changed files with 3700 additions and 1837 deletions
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7
.gitpod.dockerfile Normal file
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@@ -0,0 +1,7 @@
FROM gitpod/workspace-full
USER root
RUN sudo apt-get update && apt-get install -y apt-transport-https \
&& sudo apt-get install -y \
xserver-xorg-dev libxext-dev libxi-dev build-essential libxi-dev libglu1-mesa-dev libglew-dev pkg-config libglu1-mesa-dev freeglut3-dev mesa-common-dev \
&& apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/*

18
.gitpod.yml Normal file
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@@ -0,0 +1,18 @@
image:
file: .gitpod.dockerfile
tasks:
- init: npm run setup
command: npm start
ports:
- port: 3000
onOpen: open-preview
github:
prebuilds:
branches: true
pullRequests: true
pullRequestsFromForks: true
addCheck: true
addComment: true
addBadge: false
addLabel: false

27
.travis.yml
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@@ -1,8 +1,8 @@
sudo: required
language: node_js
node_js:
- '8'
- '10'
- '12'
env:
- CXX=g++-4.8
before_script:
@@ -10,15 +10,22 @@ before_script:
- curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
- chmod +x ./cc-test-reporter
- ./cc-test-reporter before-build
script:
- npm test
- npm run benchmark
- npm run gif-test
- grunt tests
- npm run core-tests
- npm run test-ui
- npm run test-ui-2
- grunt build
jobs:
include:
- name: "Base istanbul/tape node tests"
script: npm test
- name: "Benchmark tests"
script: npm run benchmark
- name: "Gif tests"
script: npm run gif-test
- name: "Browserify core tests and run"
script: grunt tests && npm run core-tests
- name: "Jasmine UI tests (mocked browser env)"
script: npm run test-ui
- name: "jest-puppeteer UI tests (full browser env)"
script: npm run test-ui-2
- name: "Grunt build test of dev environment"
script: grunt build
after_success:
- bash <(curl -s https://codecov.io/bash)
after_script:

9
Gruntfile.js
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@@ -44,7 +44,14 @@ module.exports = function(grunt) {
dest: 'dist/image-sequencer-ui.brow.js'
},
tests: {
src: ['test/core/sequencer/meta-modules.js', 'test/core/sequencer/image-sequencer.js', 'test/core/sequencer/chain.js', 'test/core/sequencer/replace.js', 'test/core/sequencer/import-export.js', 'test/core/sequencer/run.js', 'test/core/sequencer/dynamic-imports.js', 'test/core/util/*.js'],
src: ['test/core/sequencer/meta-modules.js',
'test/core/sequencer/image-sequencer.js',
'test/core/sequencer/chain.js',
'test/core/sequencer/replace.js',
'test/core/sequencer/import-export.js',
'test/core/sequencer/run.js',
'test/core/sequencer/dynamic-imports.js',
'test/core/util/*.js'],
dest: './output/core-tests.js'
}
},

10
README.md
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@@ -2,7 +2,9 @@ Image Sequencer
====
[![Code of Conduct](https://img.shields.io/badge/code-of%20conduct-green.svg)](https://publiclab.org/conduct)
[![npm version](https://badge.fury.io/js/image-sequencer.svg)](https://badge.fury.io/js/image-sequencer)
[![Build Status](https://travis-ci.org/publiclab/image-sequencer.svg?branch=master)](https://travis-ci.org/publiclab/image-sequencer) [![Maintainability](https://api.codeclimate.com/v1/badges/5906996dd2e90aca6398/maintainability)](https://codeclimate.com/github/publiclab/image-sequencer/maintainability) [![Codecov](https://img.shields.io/codecov/c/github/publiclab/image-sequencer.svg?logo=codecov)](https://codecov.io/gh/publiclab/image-sequencer)
[![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-ready--to--code-blue?logo=gitpod)](https://gitpod.io/from-referrer/)
- **Latest Stable Demo**: https://sequencer.publiclab.org
- **Latest Beta Demo**: https://beta.sequencer.publiclab.org
@@ -71,6 +73,12 @@ In case of a port conflict please run the following
npm i -g http-server ; http-server -p 3000
```
### Online one-click setup for contributing
Contribute to ImageSequencer using a fully featured online development environment that will automatically: clone the repo, install the dependencies and start the webserver.
[![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/from-referrer/)
### Browser
Just include [image-sequencer.min.js](https://github.com/publiclab/image-sequencer/blob/stable/dist/image-sequencer.min.js) in the Head section of your web page. See the [demo here](https://sequencer.publiclab.org)!
@@ -611,4 +619,4 @@ Modules that do not work:
3. Overlay
4. Blend
5. Histogram
6. WebGL Distort
6. WebGL Distort

3356
package-lock.json generated
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File diff suppressed because it is too large Load Diff

8
package.json
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@@ -39,7 +39,7 @@
"base64-img": "^1.0.4",
"bootstrap": "^3.4.1",
"bootstrap-colorpicker": "^2.5.3",
"buffer": "~5.4.0",
"buffer": "~5.6.0",
"commander": "^4.0.1",
"compressorjs": "^1.0.5",
"data-uri-to-buffer": "^3.0.0",
@@ -55,7 +55,7 @@
"image-sequencer-invert": "^1.0.0",
"imagejs": "0.0.9",
"imagemin": "^7.0.1",
"imagemin-jpegtran": "^6.0.0",
"imagemin-jpegtran": "^7.0.0",
"imagemin-pngquant": "^8.0.0",
"imgareaselect": "git://github.com/jywarren/imgareaselect.git#v1.0.0-rc.2",
"istanbul": "^0.4.5",
@@ -100,14 +100,14 @@
"jasmine-core": "^3.3.0",
"jasmine-jquery": "^2.1.1",
"jasmine-spec-reporter": "^4.2.1",
"jest": "^25.1.0",
"jest": "^26.1.0",
"jest-puppeteer": "^4.3.0",
"lint-staged": "^10.0.3",
"looks-same": "^7.0.0",
"matchdep": "^2.0.0",
"tap-spec": "^5.0.0",
"tape": "^4.9.2",
"tape-run": "^6.0.0",
"tape-run": "^7.0.0",
"uglify-es": "^3.3.7"
},
"husky": {

1
src/Modules.js
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@@ -11,6 +11,7 @@ module.exports = {
'canvas-resize': require('./modules/CanvasResize'),
'channel': require('./modules/Channel'),
'colorbar': require('./modules/Colorbar'),
'color-halftone': require('./modules/ColorHalftone'),
'color-temperature': require('./modules/ColorTemperature'),
'colormap': require('./modules/Colormap'),
'constrained-crop': require('./modules/ConstrainedCrop'),

135
src/modules/ColorHalftone/Module.js Normal file
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@@ -0,0 +1,135 @@
/*
* Generate halftone versions of CMYK channels and blend them with varying rotations as in analog print color separation processes.
* Simulates a CMYK halftone rendering of the image by multiplying pixel values with a four rotated 2D sine wave patterns, one each for cyan, magenta, yellow, and black.
* http://evanw.github.io/glfx.js/docs/#colorHalftone
*/
module.exports = function ColorHalftone(options, UI) {
var defaults = require('./../../util/getDefaults.js')(require('./info.json'));
var output;
var fx = require('glfx');
var dataURItoBlob = function dataURItoBlob(dataURI) {
// convert base64/URLEncoded data component to raw binary data held in a string
var byteString;
if (dataURI.split(',')[0].indexOf('base64') >= 0)
byteString = atob(dataURI.split(',')[1]);
else
byteString = unescape(dataURI.split(',')[1]);
// separate out the mime component
var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];
// write the bytes of the string to a typed array
var ia = new Uint8Array(byteString.length);
for (var i = 0; i < byteString.length; i++) {
ia[i] = byteString.charCodeAt(i);
}
return new Blob([ia], { type: mimeString });
};
var canvasToBlobUrl = function canvasToBlobUrl(canvas) {
var blob = dataURItoBlob(canvas.toDataURL('image/png'));
return window.URL.createObjectURL(blob);
};
var colorHalftone = function colorHalftone(id, options, download) {
// try to create a WebGL canvas (will fail if WebGL isn't supported)
try {
var canvas = fx.canvas(1500, 1500);
} catch (e) {
alert(e);
return;
}
// convert the image to a texture
var imageEl = document.getElementById(id);
var image = new Image();
image.onload = function() {
var texture = canvas.texture(image);
canvas.draw(texture,
image.width, // * ratio,
image.height// * ratio
);
canvas.colorHalftone(
image.width / 2,
image.height / 2,
parseFloat(options.angle),
parseFloat(options.size)
).update();
var burl = canvasToBlobUrl(canvas);
if (download) {
window.open(burl);
} else { // replace the image
// keep non-blob version in case we have to fall back:
// image.src = canvas.toDataURL('image/png');
// window.location = canvas.toDataURL('image/png');
imageEl.src = burl;
}
};
$(image).hide();
image.src = imageEl.src;
};
function draw(input, callback) {
var step = this;
options.angle = options.angle || defaults.angle;
options.size = options.size || defaults.size;
if (!options.inBrowser) {
// this.output = input;
// callback();
require('../_nomodule/gl-context')(input, callback, step, options);
}
else {
var image = document.createElement('img');
image.onload = () => {
colorHalftone(
'img',
options
);
image.onload = () => {
var canvas = document.createElement('canvas');
canvas.width = image.naturalWidth; // or 'width' if you want a special/scaled size
canvas.height = image.naturalHeight; // or 'height' if you want a special/scaled size
canvas.getContext('2d').drawImage(image, 0, 0);
step.output = { src: canvas.toDataURL('image/png'), format: 'png' };
image.remove();
callback();
};
};
image.src = input.src;
image.id = 'img';
document.body.appendChild(image);
}
}
return {
options: options,
draw: draw,
output: output,
UI: UI
};
};

4
src/modules/ColorHalftone/index.js Normal file
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@@ -0,0 +1,4 @@
module.exports = [
require('./Module'),
require('./info.json')
];

22
src/modules/ColorHalftone/info.json Normal file
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@@ -0,0 +1,22 @@
{
"name": "color-halftone",
"requires": ["webgl"],
"description": "Generate halftone versions of CMYK channels and blend them with varying rotations as in analog print color separation processes.",
"inputs": {
"angle": {
"type": "float",
"desc": "angle of rotation of the halftone patterns in radians",
"default": "0.25",
"min": "0",
"max": "1.57"
},
"size": {
"type": "integer",
"desc": "the diameter of a dot in pixels",
"default": "4",
"min": "3",
"max": "20"
}
},
"docs-link":"https://github.com/publiclab/image-sequencer/blob/main/docs/MODULES.md#color-halftone-module"
}

14
src/modules/EdgeDetect/EdgeUtils.js
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@@ -13,11 +13,9 @@ const kernelx = [
[ 0, 0, 0],
[ 1, 2, 1]
];
let pixelsToBeSupressed = [];
module.exports = function(pixels, highThresholdRatio, lowThresholdRatio, useHysteresis) {
let angles = [], grads = [], strongEdgePixels = [], weakEdgePixels = [];
let angles = [], grads = [], strongEdgePixels = [], weakEdgePixels = [], pixelsToBeSupressed = [];
for (var x = 0; x < pixels.shape[0]; x++) {
grads.push([]);
@@ -34,8 +32,8 @@ module.exports = function(pixels, highThresholdRatio, lowThresholdRatio, useHyst
angles.slice(-1)[0].push(result.angle);
}
}
nonMaxSupress(pixels, grads, angles); // Non Maximum Suppression: Filter fine edges.
doubleThreshold(pixels, highThresholdRatio, lowThresholdRatio, grads, strongEdgePixels, weakEdgePixels); // Double Threshold: Categorizes edges into strong and weak edges based on two thresholds.
nonMaxSupress(pixels, grads, angles, pixelsToBeSupressed); // Non Maximum Suppression: Filter fine edges.
doubleThreshold(pixels, highThresholdRatio, lowThresholdRatio, grads, strongEdgePixels, weakEdgePixels, pixelsToBeSupressed); // Double Threshold: Categorizes edges into strong and weak edges based on two thresholds.
if(useHysteresis.toLowerCase() == 'true') hysteresis(strongEdgePixels, weakEdgePixels); // Optional Hysteresis (very slow) to minimize edges generated due to noise.
strongEdgePixels.forEach(pixel => preserve(pixels, pixel)); // Makes the strong edges White.
@@ -144,7 +142,7 @@ const removeElem = (arr = [], elem) => { // Removes the specified element from t
};
// Non Maximum Supression without interpolation.
function nonMaxSupress(pixels, grads, angles) {
function nonMaxSupress(pixels, grads, angles, pixelsToBeSupressed) {
angles = angles.map((arr) => arr.map(convertToDegrees));
for (let x = 0; x < pixels.shape[0]; x++) {
@@ -196,7 +194,7 @@ var convertToDegrees = radians => (radians * 180) / Math.PI;
var findMaxInMatrix = arr => Math.max(...arr.map(el => el.map(val => val ? val : 0)).map(el => Math.max(...el)));
// Applies the double threshold to the image.
function doubleThreshold(pixels, highThresholdRatio, lowThresholdRatio, grads, strongEdgePixels, weakEdgePixels) {
function doubleThreshold(pixels, highThresholdRatio, lowThresholdRatio, grads, strongEdgePixels, weakEdgePixels, pixelsToBeSupressed) {
const highThreshold = findMaxInMatrix(grads) * highThresholdRatio, // High Threshold relative to the strongest edge
lowThreshold = highThreshold * lowThresholdRatio; // Low threshold relative to high threshold

1
src/modules/EdgeDetect/Module.js
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@@ -16,7 +16,6 @@ module.exports = function edgeDetect(options, UI) {
// The function which is called on every draw.
function draw(input, callback, progressObj) {
progressObj.stop(true);
progressObj.overrideFlag = true;

2
src/modules/WebglDistort/Module.js
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@@ -6,7 +6,7 @@ module.exports = function DoNothing(options, UI) {
var defaults = require('./../../util/getDefaults.js')(require('./info.json'));
var output;
var fx = require('./glfx');
var fx = require('glfx');
var dataURItoBlob = function dataURItoBlob(dataURI) {
// convert base64/URLEncoded data component to raw binary data held in a string

152
src/modules/WebglDistort/glfx.js
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@@ -1,152 +0,0 @@
/*
* glfx.js
* http://evanw.github.com/glfx.js/
*
* Copyright 2011 Evan Wallace
* Released under the MIT license
*/
module.exports = function() {
function q(a, d, c) { return Math.max(a, Math.min(d, c)); } function w(b) { return { _: b, loadContentsOf: function(b) { a = this._.gl; this._.loadContentsOf(b); }, destroy: function() { a = this._.gl; this._.destroy(); } }; } function A(a) { return w(r.fromElement(a)); } function B(b, d) {
var c = a.UNSIGNED_BYTE; if (a.getExtension('OES_texture_float') && a.getExtension('OES_texture_float_linear')) { var e = new r(100, 100, a.RGBA, a.FLOAT); try { e.drawTo(function() { c = a.FLOAT; }); } catch (g) { } e.destroy(); } this._.texture && this._.texture.destroy();
this._.spareTexture && this._.spareTexture.destroy(); this.width = b; this.height = d; this._.texture = new r(b, d, a.RGBA, c); this._.spareTexture = new r(b, d, a.RGBA, c); this._.extraTexture = this._.extraTexture || new r(0, 0, a.RGBA, c); this._.flippedShader = this._.flippedShader || new h(null, 'uniform sampler2D texture;varying vec2 texCoord;void main(){gl_FragColor=texture2D(texture,vec2(texCoord.x,1.0-texCoord.y));}'); this._.isInitialized = !0;
} function C(a, d, c) {
this._.isInitialized &&
a._.width == this.width && a._.height == this.height || B.call(this, d ? d : a._.width, c ? c : a._.height); a._.use(); this._.texture.drawTo(function() { h.getDefaultShader().drawRect(); }); return this;
} function D() { this._.texture.use(); this._.flippedShader.drawRect(); return this; } function f(a, d, c, e) { (c || this._.texture).use(); this._.spareTexture.drawTo(function() { a.uniforms(d).drawRect(); }); this._.spareTexture.swapWith(e || this._.texture); } function E(a) { a.parentNode.insertBefore(this, a); a.parentNode.removeChild(a); return this; }
function F() { var b = new r(this._.texture.width, this._.texture.height, a.RGBA, a.UNSIGNED_BYTE); this._.texture.use(); b.drawTo(function() { h.getDefaultShader().drawRect(); }); return w(b); } function G() { var b = this._.texture.width, d = this._.texture.height, c = new Uint8Array(4 * b * d); this._.texture.drawTo(function() { a.readPixels(0, 0, b, d, a.RGBA, a.UNSIGNED_BYTE, c); }); return c; } function k(b) { return function() { a = this._.gl; return b.apply(this, arguments); }; } function x(a, d, c, e, g, l, n, p) {
var m = c - g, h = e - l, f = n - g, k = p - l; g = a - c + g - n; l =
d - e + l - p; var q = m * k - f * h, f = (g * k - f * l) / q, m = (m * l - g * h) / q; return [c - a + f * c, e - d + f * e, f, n - a + m * n, p - d + m * p, m, a, d, 1];
} function y(a) { var d = a[0], c = a[1], e = a[2], g = a[3], l = a[4], n = a[5], p = a[6], m = a[7]; a = a[8]; var f = d * l * a - d * n * m - c * g * a + c * n * p + e * g * m - e * l * p; return [(l * a - n * m) / f, (e * m - c * a) / f, (c * n - e * l) / f, (n * p - g * a) / f, (d * a - e * p) / f, (e * g - d * n) / f, (g * m - l * p) / f, (c * p - d * m) / f, (d * l - c * g) / f]; } function z(a) {
var d = a.length; this.xa = []; this.ya = []; this.u = []; this.y2 = []; a.sort(function(a, b) { return a[0] - b[0]; }); for (var c = 0; c < d; c++)this.xa.push(a[c][0]), this.ya.push(a[c][1]);
this.u[0] = 0; this.y2[0] = 0; for (c = 1; c < d - 1; ++c) { a = this.xa[c + 1] - this.xa[c - 1]; var e = (this.xa[c] - this.xa[c - 1]) / a, g = e * this.y2[c - 1] + 2; this.y2[c] = (e - 1) / g; this.u[c] = (6 * ((this.ya[c + 1] - this.ya[c]) / (this.xa[c + 1] - this.xa[c]) - (this.ya[c] - this.ya[c - 1]) / (this.xa[c] - this.xa[c - 1])) / a - e * this.u[c - 1]) / g; } this.y2[d - 1] = 0; for (c = d - 2; 0 <= c; --c)this.y2[c] = this.y2[c] * this.y2[c + 1] + this.u[c];
} function u(a, d) {
return new h(null, a + 'uniform sampler2D texture;uniform vec2 texSize;varying vec2 texCoord;void main(){vec2 coord=texCoord*texSize;' +
d + 'gl_FragColor=texture2D(texture,coord/texSize);vec2 clampedCoord=clamp(coord,vec2(0.0),texSize);if(coord!=clampedCoord){gl_FragColor.a*=max(0.0,1.0-length(coord-clampedCoord));}}');
} function H(b, d) {
a.brightnessContrast = a.brightnessContrast || new h(null, 'uniform sampler2D texture;uniform float brightness;uniform float contrast;varying vec2 texCoord;void main(){vec4 color=texture2D(texture,texCoord);color.rgb+=brightness;if(contrast>0.0){color.rgb=(color.rgb-0.5)/(1.0-contrast)+0.5;}else{color.rgb=(color.rgb-0.5)*(1.0+contrast)+0.5;}gl_FragColor=color;}');
f.call(this, a.brightnessContrast, { brightness: q(-1, b, 1), contrast: q(-1, d, 1) }); return this;
} function t(a) { a = new z(a); for (var d = [], c = 0; 256 > c; c++)d.push(q(0, Math.floor(256 * a.interpolate(c / 255)), 255)); return d; } function I(b, d, c) {
b = t(b); 1 == arguments.length ? d = c = b : (d = t(d), c = t(c)); for (var e = [], g = 0; 256 > g; g++)e.splice(e.length, 0, b[g], d[g], c[g], 255); this._.extraTexture.initFromBytes(256, 1, e); this._.extraTexture.use(1); a.curves = a.curves || new h(null, 'uniform sampler2D texture;uniform sampler2D map;varying vec2 texCoord;void main(){vec4 color=texture2D(texture,texCoord);color.r=texture2D(map,vec2(color.r)).r;color.g=texture2D(map,vec2(color.g)).g;color.b=texture2D(map,vec2(color.b)).b;gl_FragColor=color;}');
a.curves.textures({ map: 1 }); f.call(this, a.curves, {}); return this;
} function J(b) {
a.denoise = a.denoise || new h(null, 'uniform sampler2D texture;uniform float exponent;uniform float strength;uniform vec2 texSize;varying vec2 texCoord;void main(){vec4 center=texture2D(texture,texCoord);vec4 color=vec4(0.0);float total=0.0;for(float x=-4.0;x<=4.0;x+=1.0){for(float y=-4.0;y<=4.0;y+=1.0){vec4 sample=texture2D(texture,texCoord+vec2(x,y)/texSize);float weight=1.0-abs(dot(sample.rgb-center.rgb,vec3(0.25)));weight=pow(weight,exponent);color+=sample*weight;total+=weight;}}gl_FragColor=color/total;}');
for (var d = 0; 2 > d; d++)f.call(this, a.denoise, { exponent: Math.max(0, b), texSize: [this.width, this.height] }); return this;
} function K(b, d) {
a.hueSaturation = a.hueSaturation || new h(null, 'uniform sampler2D texture;uniform float hue;uniform float saturation;varying vec2 texCoord;void main(){vec4 color=texture2D(texture,texCoord);float angle=hue*3.14159265;float s=sin(angle),c=cos(angle);vec3 weights=(vec3(2.0*c,-sqrt(3.0)*s-c,sqrt(3.0)*s-c)+1.0)/3.0;float len=length(color.rgb);color.rgb=vec3(dot(color.rgb,weights.xyz),dot(color.rgb,weights.zxy),dot(color.rgb,weights.yzx));float average=(color.r+color.g+color.b)/3.0;if(saturation>0.0){color.rgb+=(average-color.rgb)*(1.0-1.0/(1.001-saturation));}else{color.rgb+=(average-color.rgb)*(-saturation);}gl_FragColor=color;}');
f.call(this, a.hueSaturation, { hue: q(-1, b, 1), saturation: q(-1, d, 1) }); return this;
} function L(b) {
a.noise = a.noise || new h(null, 'uniform sampler2D texture;uniform float amount;varying vec2 texCoord;float rand(vec2 co){return fract(sin(dot(co.xy,vec2(12.9898,78.233)))*43758.5453);}void main(){vec4 color=texture2D(texture,texCoord);float diff=(rand(texCoord)-0.5)*amount;color.r+=diff;color.g+=diff;color.b+=diff;gl_FragColor=color;}');
f.call(this, a.noise, { amount: q(0, b, 1) }); return this;
} function M(b) {
a.sepia = a.sepia || new h(null, 'uniform sampler2D texture;uniform float amount;varying vec2 texCoord;void main(){vec4 color=texture2D(texture,texCoord);float r=color.r;float g=color.g;float b=color.b;color.r=min(1.0,(r*(1.0-(0.607*amount)))+(g*(0.769*amount))+(b*(0.189*amount)));color.g=min(1.0,(r*0.349*amount)+(g*(1.0-(0.314*amount)))+(b*0.168*amount));color.b=min(1.0,(r*0.272*amount)+(g*0.534*amount)+(b*(1.0-(0.869*amount))));gl_FragColor=color;}');
f.call(this, a.sepia, { amount: q(0, b, 1) }); return this;
} function N(b, d) {
a.unsharpMask = a.unsharpMask || new h(null, 'uniform sampler2D blurredTexture;uniform sampler2D originalTexture;uniform float strength;uniform float threshold;varying vec2 texCoord;void main(){vec4 blurred=texture2D(blurredTexture,texCoord);vec4 original=texture2D(originalTexture,texCoord);gl_FragColor=mix(blurred,original,1.0+strength);}');
this._.extraTexture.ensureFormat(this._.texture); this._.texture.use(); this._.extraTexture.drawTo(function() { h.getDefaultShader().drawRect(); }); this._.extraTexture.use(1); this.triangleBlur(b); a.unsharpMask.textures({ originalTexture: 1 }); f.call(this, a.unsharpMask, { strength: d }); this._.extraTexture.unuse(1); return this;
} function O(b) {
a.vibrance = a.vibrance || new h(null, 'uniform sampler2D texture;uniform float amount;varying vec2 texCoord;void main(){vec4 color=texture2D(texture,texCoord);float average=(color.r+color.g+color.b)/3.0;float mx=max(color.r,max(color.g,color.b));float amt=(mx-average)*(-amount*3.0);color.rgb=mix(color.rgb,vec3(mx),amt);gl_FragColor=color;}');
f.call(this, a.vibrance, { amount: q(-1, b, 1) }); return this;
} function P(b, d) {
a.vignette = a.vignette || new h(null, 'uniform sampler2D texture;uniform float size;uniform float amount;varying vec2 texCoord;void main(){vec4 color=texture2D(texture,texCoord);float dist=distance(texCoord,vec2(0.5,0.5));color.rgb*=smoothstep(0.8,size*0.799,dist*(amount+size));gl_FragColor=color;}');
f.call(this, a.vignette, { size: q(0, b, 1), amount: q(0, d, 1) }); return this;
} function Q(b, d, c) {
a.lensBlurPrePass = a.lensBlurPrePass || new h(null, 'uniform sampler2D texture;uniform float power;varying vec2 texCoord;void main(){vec4 color=texture2D(texture,texCoord);color=pow(color,vec4(power));gl_FragColor=vec4(color);}'); var e = 'uniform sampler2D texture0;uniform sampler2D texture1;uniform vec2 delta0;uniform vec2 delta1;uniform float power;varying vec2 texCoord;' +
s + 'vec4 sample(vec2 delta){float offset=random(vec3(delta,151.7182),0.0);vec4 color=vec4(0.0);float total=0.0;for(float t=0.0;t<=30.0;t++){float percent=(t+offset)/30.0;color+=texture2D(texture0,texCoord+delta*percent);total+=1.0;}return color/total;}';
a.lensBlur0 = a.lensBlur0 || new h(null, e + 'void main(){gl_FragColor=sample(delta0);}'); a.lensBlur1 = a.lensBlur1 || new h(null, e + 'void main(){gl_FragColor=(sample(delta0)+sample(delta1))*0.5;}'); a.lensBlur2 = a.lensBlur2 || (new h(null, e + 'void main(){vec4 color=(sample(delta0)+2.0*texture2D(texture1,texCoord))/3.0;gl_FragColor=pow(color,vec4(power));}')).textures({ texture1: 1 }); for (var e =
[], g = 0; 3 > g; g++) { var l = c + 2 * g * Math.PI / 3; e.push([b * Math.sin(l) / this.width, b * Math.cos(l) / this.height]); } b = Math.pow(10, q(-1, d, 1)); f.call(this, a.lensBlurPrePass, { power: b }); this._.extraTexture.ensureFormat(this._.texture); f.call(this, a.lensBlur0, { delta0: e[0] }, this._.texture, this._.extraTexture); f.call(this, a.lensBlur1, { delta0: e[1], delta1: e[2] }, this._.extraTexture, this._.extraTexture); f.call(this, a.lensBlur0, { delta0: e[1] }); this._.extraTexture.use(1); f.call(this, a.lensBlur2, { power: 1 / b, delta0: e[2] }); return this;
}
function R(b, d, c, e, g, l) {
a.tiltShift = a.tiltShift || new h(null, 'uniform sampler2D texture;uniform float blurRadius;uniform float gradientRadius;uniform vec2 start;uniform vec2 end;uniform vec2 delta;uniform vec2 texSize;varying vec2 texCoord;' + s + 'void main(){vec4 color=vec4(0.0);float total=0.0;float offset=random(vec3(12.9898,78.233,151.7182),0.0);vec2 normal=normalize(vec2(start.y-end.y,end.x-start.x));float radius=smoothstep(0.0,1.0,abs(dot(texCoord*texSize-start,normal))/gradientRadius)*blurRadius;for(float t=-30.0;t<=30.0;t++){float percent=(t+offset-0.5)/30.0;float weight=1.0-abs(percent);vec4 sample=texture2D(texture,texCoord+delta/texSize*percent*radius);sample.rgb*=sample.a;color+=sample*weight;total+=weight;}gl_FragColor=color/total;gl_FragColor.rgb/=gl_FragColor.a+0.00001;}');
var n = c - b, p = e - d, m = Math.sqrt(n * n + p * p); f.call(this, a.tiltShift, { blurRadius: g, gradientRadius: l, start: [b, d], end: [c, e], delta: [n / m, p / m], texSize: [this.width, this.height] }); f.call(this, a.tiltShift, { blurRadius: g, gradientRadius: l, start: [b, d], end: [c, e], delta: [-p / m, n / m], texSize: [this.width, this.height] }); return this;
} function S(b) {
a.triangleBlur = a.triangleBlur || new h(null, 'uniform sampler2D texture;uniform vec2 delta;varying vec2 texCoord;' + s + 'void main(){vec4 color=vec4(0.0);float total=0.0;float offset=random(vec3(12.9898,78.233,151.7182),0.0);for(float t=-30.0;t<=30.0;t++){float percent=(t+offset-0.5)/30.0;float weight=1.0-abs(percent);vec4 sample=texture2D(texture,texCoord+delta*percent);sample.rgb*=sample.a;color+=sample*weight;total+=weight;}gl_FragColor=color/total;gl_FragColor.rgb/=gl_FragColor.a+0.00001;}');
f.call(this, a.triangleBlur, { delta: [b / this.width, 0] }); f.call(this, a.triangleBlur, { delta: [0, b / this.height] }); return this;
} function T(b, d, c) {
a.zoomBlur = a.zoomBlur || new h(null, 'uniform sampler2D texture;uniform vec2 center;uniform float strength;uniform vec2 texSize;varying vec2 texCoord;' + s + 'void main(){vec4 color=vec4(0.0);float total=0.0;vec2 toCenter=center-texCoord*texSize;float offset=random(vec3(12.9898,78.233,151.7182),0.0);for(float t=0.0;t<=40.0;t++){float percent=(t+offset)/40.0;float weight=4.0*(percent-percent*percent);vec4 sample=texture2D(texture,texCoord+toCenter*percent*strength/texSize);sample.rgb*=sample.a;color+=sample*weight;total+=weight;}gl_FragColor=color/total;gl_FragColor.rgb/=gl_FragColor.a+0.00001;}');
f.call(this, a.zoomBlur, { center: [b, d], strength: c, texSize: [this.width, this.height] }); return this;
} function U(b, d, c, e) {
a.colorHalftone = a.colorHalftone || new h(null, 'uniform sampler2D texture;uniform vec2 center;uniform float angle;uniform float scale;uniform vec2 texSize;varying vec2 texCoord;float pattern(float angle){float s=sin(angle),c=cos(angle);vec2 tex=texCoord*texSize-center;vec2 point=vec2(c*tex.x-s*tex.y,s*tex.x+c*tex.y)*scale;return(sin(point.x)*sin(point.y))*4.0;}void main(){vec4 color=texture2D(texture,texCoord);vec3 cmy=1.0-color.rgb;float k=min(cmy.x,min(cmy.y,cmy.z));cmy=(cmy-k)/(1.0-k);cmy=clamp(cmy*10.0-3.0+vec3(pattern(angle+0.26179),pattern(angle+1.30899),pattern(angle)),0.0,1.0);k=clamp(k*10.0-5.0+pattern(angle+0.78539),0.0,1.0);gl_FragColor=vec4(1.0-cmy-k,color.a);}');
f.call(this, a.colorHalftone, { center: [b, d], angle: c, scale: Math.PI / e, texSize: [this.width, this.height] }); return this;
} function V(b, d, c, e) {
a.dotScreen = a.dotScreen || new h(null, 'uniform sampler2D texture;uniform vec2 center;uniform float angle;uniform float scale;uniform vec2 texSize;varying vec2 texCoord;float pattern(){float s=sin(angle),c=cos(angle);vec2 tex=texCoord*texSize-center;vec2 point=vec2(c*tex.x-s*tex.y,s*tex.x+c*tex.y)*scale;return(sin(point.x)*sin(point.y))*4.0;}void main(){vec4 color=texture2D(texture,texCoord);float average=(color.r+color.g+color.b)/3.0;gl_FragColor=vec4(vec3(average*10.0-5.0+pattern()),color.a);}');
f.call(this, a.dotScreen, { center: [b, d], angle: c, scale: Math.PI / e, texSize: [this.width, this.height] }); return this;
} function W(b) {
a.edgeWork1 = a.edgeWork1 || new h(null, 'uniform sampler2D texture;uniform vec2 delta;varying vec2 texCoord;' + s + 'void main(){vec2 color=vec2(0.0);vec2 total=vec2(0.0);float offset=random(vec3(12.9898,78.233,151.7182),0.0);for(float t=-30.0;t<=30.0;t++){float percent=(t+offset-0.5)/30.0;float weight=1.0-abs(percent);vec3 sample=texture2D(texture,texCoord+delta*percent).rgb;float average=(sample.r+sample.g+sample.b)/3.0;color.x+=average*weight;total.x+=weight;if(abs(t)<15.0){weight=weight*2.0-1.0;color.y+=average*weight;total.y+=weight;}}gl_FragColor=vec4(color/total,0.0,1.0);}');
a.edgeWork2 = a.edgeWork2 || new h(null, 'uniform sampler2D texture;uniform vec2 delta;varying vec2 texCoord;' + s + 'void main(){vec2 color=vec2(0.0);vec2 total=vec2(0.0);float offset=random(vec3(12.9898,78.233,151.7182),0.0);for(float t=-30.0;t<=30.0;t++){float percent=(t+offset-0.5)/30.0;float weight=1.0-abs(percent);vec2 sample=texture2D(texture,texCoord+delta*percent).xy;color.x+=sample.x*weight;total.x+=weight;if(abs(t)<15.0){weight=weight*2.0-1.0;color.y+=sample.y*weight;total.y+=weight;}}float c=clamp(10000.0*(color.y/total.y-color.x/total.x)+0.5,0.0,1.0);gl_FragColor=vec4(c,c,c,1.0);}');
f.call(this, a.edgeWork1, { delta: [b / this.width, 0] }); f.call(this, a.edgeWork2, { delta: [0, b / this.height] }); return this;
} function X(b, d, c) {
a.hexagonalPixelate = a.hexagonalPixelate || new h(null, 'uniform sampler2D texture;uniform vec2 center;uniform float scale;uniform vec2 texSize;varying vec2 texCoord;void main(){vec2 tex=(texCoord*texSize-center)/scale;tex.y/=0.866025404;tex.x-=tex.y*0.5;vec2 a;if(tex.x+tex.y-floor(tex.x)-floor(tex.y)<1.0)a=vec2(floor(tex.x),floor(tex.y));else a=vec2(ceil(tex.x),ceil(tex.y));vec2 b=vec2(ceil(tex.x),floor(tex.y));vec2 c=vec2(floor(tex.x),ceil(tex.y));vec3 TEX=vec3(tex.x,tex.y,1.0-tex.x-tex.y);vec3 A=vec3(a.x,a.y,1.0-a.x-a.y);vec3 B=vec3(b.x,b.y,1.0-b.x-b.y);vec3 C=vec3(c.x,c.y,1.0-c.x-c.y);float alen=length(TEX-A);float blen=length(TEX-B);float clen=length(TEX-C);vec2 choice;if(alen<blen){if(alen<clen)choice=a;else choice=c;}else{if(blen<clen)choice=b;else choice=c;}choice.x+=choice.y*0.5;choice.y*=0.866025404;choice*=scale/texSize;gl_FragColor=texture2D(texture,choice+center/texSize);}');
f.call(this, a.hexagonalPixelate, { center: [b, d], scale: c, texSize: [this.width, this.height] }); return this;
} function Y(b) {
a.ink = a.ink || new h(null, 'uniform sampler2D texture;uniform float strength;uniform vec2 texSize;varying vec2 texCoord;void main(){vec2 dx=vec2(1.0/texSize.x,0.0);vec2 dy=vec2(0.0,1.0/texSize.y);vec4 color=texture2D(texture,texCoord);float bigTotal=0.0;float smallTotal=0.0;vec3 bigAverage=vec3(0.0);vec3 smallAverage=vec3(0.0);for(float x=-2.0;x<=2.0;x+=1.0){for(float y=-2.0;y<=2.0;y+=1.0){vec3 sample=texture2D(texture,texCoord+dx*x+dy*y).rgb;bigAverage+=sample;bigTotal+=1.0;if(abs(x)+abs(y)<2.0){smallAverage+=sample;smallTotal+=1.0;}}}vec3 edge=max(vec3(0.0),bigAverage/bigTotal-smallAverage/smallTotal);gl_FragColor=vec4(color.rgb-dot(edge,edge)*strength*100000.0,color.a);}');
f.call(this, a.ink, { strength: b * b * b * b * b, texSize: [this.width, this.height] }); return this;
} function Z(b, d, c, e) {
a.bulgePinch = a.bulgePinch || u('uniform float radius;uniform float strength;uniform vec2 center;', 'coord-=center;float distance=length(coord);if(distance<radius){float percent=distance/radius;if(strength>0.0){coord*=mix(1.0,smoothstep(0.0,radius/distance,percent),strength*0.75);}else{coord*=mix(1.0,pow(percent,1.0+strength*0.75)*radius/distance,1.0-percent);}}coord+=center;');
f.call(this, a.bulgePinch, { radius: c, strength: q(-1, e, 1), center: [b, d], texSize: [this.width, this.height] }); return this;
} function $(b, d, c) {
a.matrixWarp = a.matrixWarp || u('uniform mat3 matrix;uniform bool useTextureSpace;', 'if(useTextureSpace)coord=coord/texSize*2.0-1.0;vec3 warp=matrix*vec3(coord,1.0);coord=warp.xy/warp.z;if(useTextureSpace)coord=(coord*0.5+0.5)*texSize;'); b = Array.prototype.concat.apply([], b); if (4 == b.length) b =
[b[0], b[1], 0, b[2], b[3], 0, 0, 0, 1]; else if (9 != b.length) throw 'can only warp with 2x2 or 3x3 matrix'; f.call(this, a.matrixWarp, { matrix: d ? y(b) : b, texSize: [this.width, this.height], useTextureSpace: c | 0 }); return this;
} function aa(a, d) {
var c = x.apply(null, d), e = x.apply(null, a), c = y(c); return this.matrixWarp([c[0] * e[0] + c[1] * e[3] + c[2] * e[6], c[0] * e[1] + c[1] * e[4] + c[2] * e[7], c[0] * e[2] + c[1] * e[5] + c[2] * e[8], c[3] * e[0] + c[4] * e[3] + c[5] * e[6], c[3] * e[1] + c[4] * e[4] + c[5] * e[7], c[3] * e[2] + c[4] * e[5] + c[5] * e[8], c[6] * e[0] + c[7] * e[3] + c[8] * e[6],
c[6] * e[1] + c[7] * e[4] + c[8] * e[7], c[6] * e[2] + c[7] * e[5] + c[8] * e[8]]);
} function ba(b, d, c, e) {
a.swirl = a.swirl || u('uniform float radius;uniform float angle;uniform vec2 center;', 'coord-=center;float distance=length(coord);if(distance<radius){float percent=(radius-distance)/radius;float theta=percent*percent*angle;float s=sin(theta);float c=cos(theta);coord=vec2(coord.x*c-coord.y*s,coord.x*s+coord.y*c);}coord+=center;');
f.call(this, a.swirl, { radius: c, center: [b, d], angle: e, texSize: [this.width, this.height] }); return this;
} var v = {}; (function() {
function a(b) {
if (!b.getExtension('OES_texture_float')) return !1; var c = b.createFramebuffer(), e = b.createTexture(); b.bindTexture(b.TEXTURE_2D, e); b.texParameteri(b.TEXTURE_2D, b.TEXTURE_MAG_FILTER, b.NEAREST); b.texParameteri(b.TEXTURE_2D, b.TEXTURE_MIN_FILTER, b.NEAREST); b.texParameteri(b.TEXTURE_2D, b.TEXTURE_WRAP_S, b.CLAMP_TO_EDGE); b.texParameteri(b.TEXTURE_2D, b.TEXTURE_WRAP_T, b.CLAMP_TO_EDGE);
b.texImage2D(b.TEXTURE_2D, 0, b.RGBA, 1, 1, 0, b.RGBA, b.UNSIGNED_BYTE, null); b.bindFramebuffer(b.FRAMEBUFFER, c); b.framebufferTexture2D(b.FRAMEBUFFER, b.COLOR_ATTACHMENT0, b.TEXTURE_2D, e, 0); c = b.createTexture(); b.bindTexture(b.TEXTURE_2D, c); b.texParameteri(b.TEXTURE_2D, b.TEXTURE_MAG_FILTER, b.LINEAR); b.texParameteri(b.TEXTURE_2D, b.TEXTURE_MIN_FILTER, b.LINEAR); b.texParameteri(b.TEXTURE_2D, b.TEXTURE_WRAP_S, b.CLAMP_TO_EDGE); b.texParameteri(b.TEXTURE_2D, b.TEXTURE_WRAP_T, b.CLAMP_TO_EDGE); b.texImage2D(b.TEXTURE_2D,
0, b.RGBA, 2, 2, 0, b.RGBA, b.FLOAT, new Float32Array([2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])); var e = b.createProgram(), d = b.createShader(b.VERTEX_SHADER), g = b.createShader(b.FRAGMENT_SHADER); b.shaderSource(d, 'attribute vec2 vertex;void main(){gl_Position=vec4(vertex,0.0,1.0);}'); b.shaderSource(g, 'uniform sampler2D texture;void main(){gl_FragColor=texture2D(texture,vec2(0.5));}'); b.compileShader(d); b.compileShader(g); b.attachShader(e, d); b.attachShader(e,
g); b.linkProgram(e); d = b.createBuffer(); b.bindBuffer(b.ARRAY_BUFFER, d); b.bufferData(b.ARRAY_BUFFER, new Float32Array([0, 0]), b.STREAM_DRAW); b.enableVertexAttribArray(0); b.vertexAttribPointer(0, 2, b.FLOAT, !1, 0, 0); d = new Uint8Array(4); b.useProgram(e); b.viewport(0, 0, 1, 1); b.bindTexture(b.TEXTURE_2D, c); b.drawArrays(b.POINTS, 0, 1); b.readPixels(0, 0, 1, 1, b.RGBA, b.UNSIGNED_BYTE, d); return 127 === d[0] || 128 === d[0];
} function d() { } function c(a) {
'OES_texture_float_linear' === a ? (void 0 === this.$OES_texture_float_linear$ && Object.defineProperty(this,
'$OES_texture_float_linear$', { enumerable: !1, configurable: !1, writable: !1, value: new d }), a = this.$OES_texture_float_linear$) : a = n.call(this, a); return a;
} function e() { var a = f.call(this); -1 === a.indexOf('OES_texture_float_linear') && a.push('OES_texture_float_linear'); return a; } try { var g = document.createElement('canvas').getContext('experimental-webgl'); } catch (l) { } if (g && -1 === g.getSupportedExtensions().indexOf('OES_texture_float_linear') && a(g)) {
var n = WebGLRenderingContext.prototype.getExtension, f = WebGLRenderingContext.prototype.getSupportedExtensions;
WebGLRenderingContext.prototype.getExtension = c; WebGLRenderingContext.prototype.getSupportedExtensions = e;
}
})(); var a; v.canvas = function() {
var b = document.createElement('canvas'); try { a = b.getContext('experimental-webgl', { premultipliedAlpha: !1 }); } catch (d) { a = null; } if (!a) throw 'This browser does not support WebGL'; b._ = { gl: a, isInitialized: !1, texture: null, spareTexture: null, flippedShader: null }; b.texture = k(A); b.draw = k(C); b.update = k(D); b.replace = k(E); b.contents = k(F); b.getPixelArray = k(G); b.brightnessContrast = k(H);
b.hexagonalPixelate = k(X); b.hueSaturation = k(K); b.colorHalftone = k(U); b.triangleBlur = k(S); b.unsharpMask = k(N); b.perspective = k(aa); b.matrixWarp = k($); b.bulgePinch = k(Z); b.tiltShift = k(R); b.dotScreen = k(V); b.edgeWork = k(W); b.lensBlur = k(Q); b.zoomBlur = k(T); b.noise = k(L); b.denoise = k(J); b.curves = k(I); b.swirl = k(ba); b.ink = k(Y); b.vignette = k(P); b.vibrance = k(O); b.sepia = k(M); return b;
}; v.splineInterpolate = t; var h = function() {
function b(b, c) {
var e = a.createShader(b); a.shaderSource(e, c); a.compileShader(e); if (!a.getShaderParameter(e,
a.COMPILE_STATUS)) throw 'compile error: ' + a.getShaderInfoLog(e); return e;
} function d(d, l) { this.texCoordAttribute = this.vertexAttribute = null; this.program = a.createProgram(); d = d || c; l = l || e; l = 'precision highp float;' + l; a.attachShader(this.program, b(a.VERTEX_SHADER, d)); a.attachShader(this.program, b(a.FRAGMENT_SHADER, l)); a.linkProgram(this.program); if (!a.getProgramParameter(this.program, a.LINK_STATUS)) throw 'link error: ' + a.getProgramInfoLog(this.program); } var c = 'attribute vec2 vertex;attribute vec2 _texCoord;varying vec2 texCoord;void main(){texCoord=_texCoord;gl_Position=vec4(vertex*2.0-1.0,0.0,1.0);}',
e = 'uniform sampler2D texture;varying vec2 texCoord;void main(){gl_FragColor=texture2D(texture,texCoord);}'; d.prototype.destroy = function() { a.deleteProgram(this.program); this.program = null; }; d.prototype.uniforms = function(b) {
a.useProgram(this.program); for (var e in b) if (b.hasOwnProperty(e)) {
var c = a.getUniformLocation(this.program, e); if (null !== c) {
var d = b[e]; if ('[object Array]' == Object.prototype.toString.call(d)) switch (d.length) {
case 1: a.uniform1fv(c, new Float32Array(d)); break;
case 2: a.uniform2fv(c, new Float32Array(d)); break; case 3: a.uniform3fv(c, new Float32Array(d)); break; case 4: a.uniform4fv(c, new Float32Array(d)); break; case 9: a.uniformMatrix3fv(c, !1, new Float32Array(d)); break; case 16: a.uniformMatrix4fv(c, !1, new Float32Array(d)); break; default: throw 'dont\'t know how to load uniform "' + e + '" of length ' + d.length;
} else if ('[object Number]' == Object.prototype.toString.call(d)) a.uniform1f(c, d); else throw 'attempted to set uniform "' + e + '" to invalid value ' + (d || 'undefined').toString();
}
} return this;
}; d.prototype.textures = function(b) { a.useProgram(this.program); for (var c in b) b.hasOwnProperty(c) && a.uniform1i(a.getUniformLocation(this.program, c), b[c]); return this; }; d.prototype.drawRect = function(b, c, e, d) {
var f = a.getParameter(a.VIEWPORT); c = void 0 !== c ? (c - f[1]) / f[3] : 0; b = void 0 !== b ? (b - f[0]) / f[2] : 0; e = void 0 !== e ? (e - f[0]) / f[2] : 1; d = void 0 !== d ? (d - f[1]) / f[3] : 1; null == a.vertexBuffer && (a.vertexBuffer = a.createBuffer()); a.bindBuffer(a.ARRAY_BUFFER, a.vertexBuffer); a.bufferData(a.ARRAY_BUFFER, new Float32Array([b,
c, b, d, e, c, e, d]), a.STATIC_DRAW); null == a.texCoordBuffer && (a.texCoordBuffer = a.createBuffer(), a.bindBuffer(a.ARRAY_BUFFER, a.texCoordBuffer), a.bufferData(a.ARRAY_BUFFER, new Float32Array([0, 0, 0, 1, 1, 0, 1, 1]), a.STATIC_DRAW)); null == this.vertexAttribute && (this.vertexAttribute = a.getAttribLocation(this.program, 'vertex'), a.enableVertexAttribArray(this.vertexAttribute)); null == this.texCoordAttribute && (this.texCoordAttribute = a.getAttribLocation(this.program, '_texCoord'), a.enableVertexAttribArray(this.texCoordAttribute));
a.useProgram(this.program); a.bindBuffer(a.ARRAY_BUFFER, a.vertexBuffer); a.vertexAttribPointer(this.vertexAttribute, 2, a.FLOAT, !1, 0, 0); a.bindBuffer(a.ARRAY_BUFFER, a.texCoordBuffer); a.vertexAttribPointer(this.texCoordAttribute, 2, a.FLOAT, !1, 0, 0); a.drawArrays(a.TRIANGLE_STRIP, 0, 4);
}; d.getDefaultShader = function() { a.defaultShader = a.defaultShader || new d; return a.defaultShader; }; return d;
}(); z.prototype.interpolate = function(a) {
for (var d = 0, c = this.ya.length - 1; 1 < c - d;) { var e = c + d >> 1; this.xa[e] > a ? c = e : d = e; } var e = this.xa[c] -
this.xa[d], g = (this.xa[c] - a) / e; a = (a - this.xa[d]) / e; return g * this.ya[d] + a * this.ya[c] + ((g * g * g - g) * this.y2[d] + (a * a * a - a) * this.y2[c]) * e * e / 6;
}; var r = function() {
function b(b, c, d, f) {
this.gl = a; this.id = a.createTexture(); this.width = b; this.height = c; this.format = d; this.type = f; a.bindTexture(a.TEXTURE_2D, this.id); a.texParameteri(a.TEXTURE_2D, a.TEXTURE_MAG_FILTER, a.LINEAR); a.texParameteri(a.TEXTURE_2D, a.TEXTURE_MIN_FILTER, a.LINEAR); a.texParameteri(a.TEXTURE_2D, a.TEXTURE_WRAP_S, a.CLAMP_TO_EDGE); a.texParameteri(a.TEXTURE_2D,
a.TEXTURE_WRAP_T, a.CLAMP_TO_EDGE); b && c && a.texImage2D(a.TEXTURE_2D, 0, this.format, b, c, 0, this.format, this.type, null);
} function d(a) { null == c && (c = document.createElement('canvas')); c.width = a.width; c.height = a.height; a = c.getContext('2d'); a.clearRect(0, 0, c.width, c.height); return a; } b.fromElement = function(c) { var d = new b(0, 0, a.RGBA, a.UNSIGNED_BYTE); d.loadContentsOf(c); return d; }; b.prototype.loadContentsOf = function(b) {
this.width = b.width || b.videoWidth; this.height = b.height || b.videoHeight; a.bindTexture(a.TEXTURE_2D,
this.id); a.texImage2D(a.TEXTURE_2D, 0, this.format, this.format, this.type, b);
}; b.prototype.initFromBytes = function(b, c, d) { this.width = b; this.height = c; this.format = a.RGBA; this.type = a.UNSIGNED_BYTE; a.bindTexture(a.TEXTURE_2D, this.id); a.texImage2D(a.TEXTURE_2D, 0, a.RGBA, b, c, 0, a.RGBA, this.type, new Uint8Array(d)); }; b.prototype.destroy = function() { a.deleteTexture(this.id); this.id = null; }; b.prototype.use = function(b) { a.activeTexture(a.TEXTURE0 + (b || 0)); a.bindTexture(a.TEXTURE_2D, this.id); }; b.prototype.unuse = function(b) {
a.activeTexture(a.TEXTURE0 +
(b || 0)); a.bindTexture(a.TEXTURE_2D, null);
}; b.prototype.ensureFormat = function(b, c, d, f) { if (1 == arguments.length) { var h = arguments[0]; b = h.width; c = h.height; d = h.format; f = h.type; } if (b != this.width || c != this.height || d != this.format || f != this.type) this.width = b, this.height = c, this.format = d, this.type = f, a.bindTexture(a.TEXTURE_2D, this.id), a.texImage2D(a.TEXTURE_2D, 0, this.format, b, c, 0, this.format, this.type, null); }; b.prototype.drawTo = function(b) {
a.framebuffer = a.framebuffer || a.createFramebuffer(); a.bindFramebuffer(a.FRAMEBUFFER,
a.framebuffer); a.framebufferTexture2D(a.FRAMEBUFFER, a.COLOR_ATTACHMENT0, a.TEXTURE_2D, this.id, 0); if (a.checkFramebufferStatus(a.FRAMEBUFFER) !== a.FRAMEBUFFER_COMPLETE) throw Error('incomplete framebuffer'); a.viewport(0, 0, this.width, this.height); b(); a.bindFramebuffer(a.FRAMEBUFFER, null);
}; var c = null; b.prototype.fillUsingCanvas = function(b) { b(d(this)); this.format = a.RGBA; this.type = a.UNSIGNED_BYTE; a.bindTexture(a.TEXTURE_2D, this.id); a.texImage2D(a.TEXTURE_2D, 0, a.RGBA, a.RGBA, a.UNSIGNED_BYTE, c); return this; };
b.prototype.toImage = function(b) { this.use(); h.getDefaultShader().drawRect(); var f = 4 * this.width * this.height, k = new Uint8Array(f), n = d(this), p = n.createImageData(this.width, this.height); a.readPixels(0, 0, this.width, this.height, a.RGBA, a.UNSIGNED_BYTE, k); for (var m = 0; m < f; m++)p.data[m] = k[m]; n.putImageData(p, 0, 0); b.src = c.toDataURL(); }; b.prototype.swapWith = function(a) {
var b; b = a.id; a.id = this.id; this.id = b; b = a.width; a.width = this.width; this.width = b; b = a.height; a.height = this.height; this.height = b; b = a.format; a.format =
this.format; this.format = b;
}; return b;
}(), s = 'float random(vec3 scale,float seed){return fract(sin(dot(gl_FragCoord.xyz+seed,scale))*43758.5453+seed);}'; return v;
}();

2
test/core/gifs/edge-detect.js
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8
test/core/modules/color-halftone.js Normal file
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const testModule = require('../templates/module-test'),
options = {
angle: '0.5',
size: '5'
},
benchmark = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAp0lEQVQ4T62SsQ3CMBBF3y/YgDUYAQE9IzACEvS0LAAZgRGoYQZGAXpzKFISWYmxzsCV1v/vnnTWCwy4CRaCO4WjBtDVBFvBwcsZAKJibTUXPHKwHMBl5QL0rGaCZ/tWCoitNoLj14CfDf4HqEkGS4Oz9/ZxTv1SgJNg5YUNAG3RYGpwAUbZj+TZFKASrFPZjwapsMHE4AqMuyt4DFKZAHvBrsggBXoDQmQp9u/Xo6IAAAAASUVORK5CYII=';
//testModule('webgl-distort', options, benchmark);

1761
yarn.lock
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