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How to use generateGL method in wpt

Best JavaScript code snippet using wpt

webgl.js

Source:webgl.js

...61    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);62    return texture;63  }64  var currentGL, currentCanvas;65  function generateGL() {66    if (currentGL) {67      return;68    }69    currentCanvas = document.createElement('canvas');70    currentGL = currentCanvas.getContext('webgl',71      { premultipliedalpha: false });72  }73  var smaskVertexShaderCode = '\74  attribute vec2 a_position;                                    \75  attribute vec2 a_texCoord;                                    \76                                                                \77  uniform vec2 u_resolution;                                    \78                                                                \79  varying vec2 v_texCoord;                                      \80                                                                \81  void main() {                                                 \82    vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0;   \83    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \84                                                                \85    v_texCoord = a_texCoord;                                    \86  }                                                             ';87  var smaskFragmentShaderCode = '\88  precision mediump float;                                      \89                                                                \90  uniform vec4 u_backdrop;                                      \91  uniform int u_subtype;                                        \92  uniform sampler2D u_image;                                    \93  uniform sampler2D u_mask;                                     \94                                                                \95  varying vec2 v_texCoord;                                      \96                                                                \97  void main() {                                                 \98    vec4 imageColor = texture2D(u_image, v_texCoord);           \99    vec4 maskColor = texture2D(u_mask, v_texCoord);             \100    if (u_backdrop.a > 0.0) {                                   \101      maskColor.rgb = maskColor.rgb * maskColor.a +             \102                      u_backdrop.rgb * (1.0 - maskColor.a);     \103    }                                                           \104    float lum;                                                  \105    if (u_subtype == 0) {                                       \106      lum = maskColor.a;                                        \107    } else {                                                    \108      lum = maskColor.r * 0.3 + maskColor.g * 0.59 +            \109            maskColor.b * 0.11;                                 \110    }                                                           \111    imageColor.a *= lum;                                        \112    imageColor.rgb *= imageColor.a;                             \113    gl_FragColor = imageColor;                                  \114  }                                                             ';115  var smaskCache = null;116  function initSmaskGL() {117    var canvas, gl;118    generateGL();119    canvas = currentCanvas;120    currentCanvas = null;121    gl = currentGL;122    currentGL = null;123    // setup a GLSL program124    var vertexShader = createVertexShader(gl, smaskVertexShaderCode);125    var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);126    var program = createProgram(gl, [vertexShader, fragmentShader]);127    gl.useProgram(program);128    var cache = {};129    cache.gl = gl;130    cache.canvas = canvas;131    cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');132    cache.positionLocation = gl.getAttribLocation(program, 'a_position');133    cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');134    cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');135    var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');136    var texLayerLocation = gl.getUniformLocation(program, 'u_image');137    var texMaskLocation = gl.getUniformLocation(program, 'u_mask');138    // provide texture coordinates for the rectangle.139    var texCoordBuffer = gl.createBuffer();140    gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);141    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([142      0.0,  0.0,143      1.0,  0.0,144      0.0,  1.0,145      0.0,  1.0,146      1.0,  0.0,147      1.0,  1.0]), gl.STATIC_DRAW);148    gl.enableVertexAttribArray(texCoordLocation);149    gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);150    gl.uniform1i(texLayerLocation, 0);151    gl.uniform1i(texMaskLocation, 1);152    smaskCache = cache;153  }154  function composeSMask(layer, mask, properties) {155    var width = layer.width, height = layer.height;156    if (!smaskCache) {157      initSmaskGL();158    }159    var cache = smaskCache,canvas = cache.canvas, gl = cache.gl;160    canvas.width = width;161    canvas.height = height;162    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);163    gl.uniform2f(cache.resolutionLocation, width, height);164    if (properties.backdrop) {165      gl.uniform4f(cache.resolutionLocation, properties.backdrop[0],166                   properties.backdrop[1], properties.backdrop[2], 1);167    } else {168      gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);169    }170    gl.uniform1i(cache.subtypeLocation,171                 properties.subtype === 'Luminosity' ? 1 : 0);172    // Create a textures173    var texture = createTexture(gl, layer, gl.TEXTURE0);174    var maskTexture = createTexture(gl, mask, gl.TEXTURE1);175    // Create a buffer and put a single clipspace rectangle in176    // it (2 triangles)177    var buffer = gl.createBuffer();178    gl.bindBuffer(gl.ARRAY_BUFFER, buffer);179    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([180      0, 0,181      width, 0,182      0, height,183      0, height,184      width, 0,185      width, height]), gl.STATIC_DRAW);186    gl.enableVertexAttribArray(cache.positionLocation);187    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);188    // draw189    gl.clearColor(0, 0, 0, 0);190    gl.enable(gl.BLEND);191    gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);192    gl.clear(gl.COLOR_BUFFER_BIT);193    gl.drawArrays(gl.TRIANGLES, 0, 6);194    gl.flush();195    gl.deleteTexture(texture);196    gl.deleteTexture(maskTexture);197    gl.deleteBuffer(buffer);198    return canvas;199  }200  var figuresVertexShaderCode = '\201  attribute vec2 a_position;                                    \202  attribute vec3 a_color;                                       \203                                                                \204  uniform vec2 u_resolution;                                    \205  uniform vec2 u_scale;                                         \206  uniform vec2 u_offset;                                        \207                                                                \208  varying vec4 v_color;                                         \209                                                                \210  void main() {                                                 \211    vec2 position = (a_position + u_offset) * u_scale;          \212    vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;     \213    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \214                                                                \215    v_color = vec4(a_color / 255.0, 1.0);                       \216  }                                                             ';217  var figuresFragmentShaderCode = '\218  precision mediump float;                                      \219                                                                \220  varying vec4 v_color;                                         \221                                                                \222  void main() {                                                 \223    gl_FragColor = v_color;                                     \224  }                                                             ';225  var figuresCache = null;226  function initFiguresGL() {227    var canvas, gl;228    generateGL();229    canvas = currentCanvas;230    currentCanvas = null;231    gl = currentGL;232    currentGL = null;233    // setup a GLSL program234    var vertexShader = createVertexShader(gl, figuresVertexShaderCode);235    var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);236    var program = createProgram(gl, [vertexShader, fragmentShader]);237    gl.useProgram(program);238    var cache = {};239    cache.gl = gl;240    cache.canvas = canvas;241    cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');242    cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');243    cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');244    cache.positionLocation = gl.getAttribLocation(program, 'a_position');245    cache.colorLocation = gl.getAttribLocation(program, 'a_color');246    figuresCache = cache;247  }248  function drawFigures(width, height, backgroundColor, figures, context) {249    if (!figuresCache) {250      initFiguresGL();251    }252    var cache = figuresCache, canvas = cache.canvas, gl = cache.gl;253    canvas.width = width;254    canvas.height = height;255    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);256    gl.uniform2f(cache.resolutionLocation, width, height);257    // count triangle points258    var count = 0;259    var i, ii, rows;260    for (i = 0, ii = figures.length; i < ii; i++) {261      switch (figures[i].type) {262        case 'lattice':263          rows = (figures[i].coords.length / figures[i].verticesPerRow) | 0;264          count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;265          break;266        case 'triangles':267          count += figures[i].coords.length;268          break;269      }270    }271    // transfer data272    var coords = new Float32Array(count * 2);273    var colors = new Uint8Array(count * 3);274    var coordsMap = context.coords, colorsMap = context.colors;275    var pIndex = 0, cIndex = 0;276    for (i = 0, ii = figures.length; i < ii; i++) {277      var figure = figures[i], ps = figure.coords, cs = figure.colors;278      switch (figure.type) {279        case 'lattice':280          var cols = figure.verticesPerRow;281          rows = (ps.length / cols) | 0;282          for (var row = 1; row < rows; row++) {283            var offset = row * cols + 1;284            for (var col = 1; col < cols; col++, offset++) {285              coords[pIndex] = coordsMap[ps[offset - cols - 1]];286              coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];287              coords[pIndex + 2] = coordsMap[ps[offset - cols]];288              coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];289              coords[pIndex + 4] = coordsMap[ps[offset - 1]];290              coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];291              colors[cIndex] = colorsMap[cs[offset - cols - 1]];292              colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];293              colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];294              colors[cIndex + 3] = colorsMap[cs[offset - cols]];295              colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];296              colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];297              colors[cIndex + 6] = colorsMap[cs[offset - 1]];298              colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];299              colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];300              coords[pIndex + 6] = coords[pIndex + 2];301              coords[pIndex + 7] = coords[pIndex + 3];302              coords[pIndex + 8] = coords[pIndex + 4];303              coords[pIndex + 9] = coords[pIndex + 5];304              coords[pIndex + 10] = coordsMap[ps[offset]];305              coords[pIndex + 11] = coordsMap[ps[offset] + 1];306              colors[cIndex + 9] = colors[cIndex + 3];307              colors[cIndex + 10] = colors[cIndex + 4];308              colors[cIndex + 11] = colors[cIndex + 5];309              colors[cIndex + 12] = colors[cIndex + 6];310              colors[cIndex + 13] = colors[cIndex + 7];311              colors[cIndex + 14] = colors[cIndex + 8];312              colors[cIndex + 15] = colorsMap[cs[offset]];313              colors[cIndex + 16] = colorsMap[cs[offset] + 1];314              colors[cIndex + 17] = colorsMap[cs[offset] + 2];315              pIndex += 12;316              cIndex += 18;317            }318          }319          break;320        case 'triangles':321          for (var j = 0, jj = ps.length; j < jj; j++) {322            coords[pIndex] = coordsMap[ps[j]];323            coords[pIndex + 1] = coordsMap[ps[j] + 1];324            colors[cIndex] = colorsMap[cs[i]];325            colors[cIndex + 1] = colorsMap[cs[j] + 1];326            colors[cIndex + 2] = colorsMap[cs[j] + 2];327            pIndex += 2;328            cIndex += 3;329          }330          break;331      }332    }333    // draw334    if (backgroundColor) {335      gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255,336                    backgroundColor[2] / 255, 1.0);337    } else {338      gl.clearColor(0, 0, 0, 0);339    }340    gl.clear(gl.COLOR_BUFFER_BIT);341    var coordsBuffer = gl.createBuffer();342    gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);343    gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);344    gl.enableVertexAttribArray(cache.positionLocation);345    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);346    var colorsBuffer = gl.createBuffer();347    gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);348    gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);349    gl.enableVertexAttribArray(cache.colorLocation);350    gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false,351                           0, 0);352    gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);353    gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);354    gl.drawArrays(gl.TRIANGLES, 0, count);355    gl.flush();356    gl.deleteBuffer(coordsBuffer);357    gl.deleteBuffer(colorsBuffer);358    return canvas;359  }360  function cleanup() {361    if (smaskCache && smaskCache.canvas) {362      smaskCache.canvas.width = 0;363      smaskCache.canvas.height = 0;364    }365    if (figuresCache && figuresCache.canvas) {366      figuresCache.canvas.width = 0;367      figuresCache.canvas.height = 0;368    }369    smaskCache = null;370    figuresCache = null;371  }372  return {373    get isEnabled() {374      if (PDFJS.disableWebGL) {375        return false;376      }377      var enabled = false;378      try {379        generateGL();380        enabled = !!currentGL;381      } catch (e) { }382      return shadow(this, 'isEnabled', enabled);383    },384    composeSMask: composeSMask,385    drawFigures: drawFigures,386    clear: cleanup387  };...

Using AI Code Generation

1var wpt = require('./wpt.js');2var wpt2 = require('./wpt.js');3var wpt3 = require('./wpt.js');4var wpt4 = require('./wpt.js');5var wpt5 = require('./wpt.js');6var wpt6 = require('./wpt.js');7var wpt7 = require('./wpt.js');8var wpt8 = require('./wpt.js');9var wpt9 = require('./wpt.js');10var wpt10 = require('./wpt.js');11var wpt11 = require('./wpt.js');12var wpt12 = require('./wpt.js');13var wpt13 = require('./wpt.js');14var wpt14 = require('./wpt.js');15var wpt15 = require('./wpt.js');16var wpt16 = require('./wpt.js');17var wpt17 = require('./wpt.js');18var wpt18 = require('./wpt.js');19var wpt19 = require('./wpt.js');20var wpt20 = require('./wpt.js');21var wpt21 = require('./wpt.js');22var wpt22 = require('./wpt.js');23var wpt23 = require('./wpt.js');24var wpt24 = require('./wpt.js');25var wpt25 = require('./wpt.js');26var wpt26 = require('./wpt.js');27var wpt27 = require('./wpt.js');28var wpt28 = require('./wpt.js');29var wpt29 = require('./wpt.js');30var wpt30 = require('./wpt.js');31var wpt31 = require('./wpt.js');32var wpt32 = require('./wpt.js');33var wpt33 = require('./wpt.js');34var wpt34 = require('./wpt.js');35var wpt35 = require('./wpt.js');36var wpt36 = require('./wpt.js');37var wpt37 = require('./wpt.js');38var wpt38 = require('./wpt.js');39var wpt39 = require('./wpt.js');40var wpt40 = require('./wpt.js');41var wpt41 = require('./wpt.js');42var wpt42 = require('./wpt.js');43var wpt43 = require('./wpt.js');44var wpt44 = require('./wpt.js');

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3wpt.generateGL(function(err, data) {4	console.log(data);5});61. Fork it (

Using AI Code Generation

1var wptools = require('wptools');2var wp = wptools.page('Barack Obama');3wp.generateGL(function(err, response){4    console.log(response);5});6var wptools = require('wptools');7var wp = wptools.page('Barack Obama');8wp.generateGL(function(err, response){9    console.log(response);10});11##### generateGL() - Example Output12var wptools = require('wptools');13var wp = wptools.page('Barack Obama');14wp.generateGL(function(err, response){15    console.log(response);16});17var wptools = require('wptools');18var wp = wptools.page('Barack Obama');19wp.generateGL(function(err, response){20    console.log(response);21});22#### generateGL() - Example Output23var wptools = require('wptools');24var wp = wptools.page('Barack Obama');25wp.generateGL(function(err, response){26    console.log(response);27});28var wptools = require('wptools');29var wp = wptools.page('Barack Obama');30wp.generateGL(function(err, response){31    console.log(response);32});

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var fs = require('fs');3var path = require('path');4var gl = wptoolkit.generateGL({5    "layers": [{6    }]7});8fs.writeFileSync('test.png', gl);9output file (defaults to input file name)10width (required)11height (required)12backgroundColor (optional)13layers (required)14type (required)15text (required for text layers)16x (required for text layers)17y (required for text layers)18color (optional for text layers)

Using AI Code Generation

1var test = new WebPageTest('www.webpagetest.org');2    console.log(gl);3});4var WebPageTest = function(server) {5    this.server = server;6    this.generateGL = function(url, callback) {7    };8};9var WebPageTest = function(server) {10    this.server = server;11    this.generateGL = function(url, callback) {12    };13};14var WebPageTest = function(server) {15    this.server = server;16    this.generateGL = function(url, callback) {17    };18};19var WebPageTest = function(server) {20    this.server = server;21    this.generateGL = function(url, callback) {22    };23};24var WebPageTest = function(server) {25    this.server = server;26    this.generateGL = function(url, callback) {27    };28};29var WebPageTest = function(server) {30    this.server = server;31    this.generateGL = function(url, callback) {32    };33};34var WebPageTest = function(server) {35    this.server = server;36    this.generateGL = function(url, callback) {37    };38};39var WebPageTest = function(server) {40    this.server = server;41    this.generateGL = function(url, callback) {42    };43};

Using AI Code Generation

1var wptoolkit = require('/Users/ashishkumar/Documents/Projects/NodeJS/wptoolkit');2var gl = wptoolkit.generateGL();3var wptoolkit = require('/Users/ashishkumar/Documents/Projects/NodeJS/wptoolkit');4var gl = wptoolkit.generateGL();5var wptoolkit = require('/Users/ashishkumar/Documents/Projects/NodeJS/wptoolkit');6var gl = wptoolkit.generateGL();7var wptoolkit = require('/Users/ashishkumar/Documents/Projects/NodeJS/wptoolkit');8var gl = wptoolkit.generateGL();9var wptoolkit = require('/Users/ashishkumar/Documents/Projects/NodeJS/wptoolkit');10var gl = wptoolkit.generateGL();11var wptoolkit = require('/Users/ashishkumar/Documents/Projects/NodeJS/wptoolkit');12var gl = wptoolkit.generateGL();13var wptoolkit = require('/Users/ashishkumar/Documents/Projects/NodeJS/wptoolkit');14var gl = wptoolkit.generateGL();

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