How to use addContextCurrentTransform method in wpt

Best JavaScript code snippet using wpt

canvas.js

Source:canvas.js Github

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...36 canvas.width = width;37 canvas.height = height;38 return canvas;39}40function addContextCurrentTransform(ctx) {41 // If the context doesn't expose a `mozCurrentTransform`, add a JS based one.42 if (!ctx.mozCurrentTransform) {43 ctx._originalSave = ctx.save;44 ctx._originalRestore = ctx.restore;45 ctx._originalRotate = ctx.rotate;46 ctx._originalScale = ctx.scale;47 ctx._originalTranslate = ctx.translate;48 ctx._originalTransform = ctx.transform;49 ctx._originalSetTransform = ctx.setTransform;50 ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];51 ctx._transformStack = [];52 Object.defineProperty(ctx, 'mozCurrentTransform', {53 get: function getCurrentTransform() {54 return this._transformMatrix;55 }56 });57 Object.defineProperty(ctx, 'mozCurrentTransformInverse', {58 get: function getCurrentTransformInverse() {59 // Calculation done using WolframAlpha:60 // http://www.wolframalpha.com/input/?61 // i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}}62 var m = this._transformMatrix;63 var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5];64 var ad_bc = a * d - b * c;65 var bc_ad = b * c - a * d;66 return [67 d / ad_bc,68 b / bc_ad,69 c / bc_ad,70 a / ad_bc,71 (d * e - c * f) / bc_ad,72 (b * e - a * f) / ad_bc73 ];74 }75 });76 ctx.save = function ctxSave() {77 var old = this._transformMatrix;78 this._transformStack.push(old);79 this._transformMatrix = old.slice(0, 6);80 this._originalSave();81 };82 ctx.restore = function ctxRestore() {83 var prev = this._transformStack.pop();84 if (prev) {85 this._transformMatrix = prev;86 this._originalRestore();87 }88 };89 ctx.translate = function ctxTranslate(x, y) {90 var m = this._transformMatrix;91 m[4] = m[0] * x + m[2] * y + m[4];92 m[5] = m[1] * x + m[3] * y + m[5];93 this._originalTranslate(x, y);94 };95 ctx.scale = function ctxScale(x, y) {96 var m = this._transformMatrix;97 m[0] = m[0] * x;98 m[1] = m[1] * x;99 m[2] = m[2] * y;100 m[3] = m[3] * y;101 this._originalScale(x, y);102 };103 ctx.transform = function ctxTransform(a, b, c, d, e, f) {104 var m = this._transformMatrix;105 this._transformMatrix = [106 m[0] * a + m[2] * b,107 m[1] * a + m[3] * b,108 m[0] * c + m[2] * d,109 m[1] * c + m[3] * d,110 m[0] * e + m[2] * f + m[4],111 m[1] * e + m[3] * f + m[5]112 ];113 ctx._originalTransform(a, b, c, d, e, f);114 };115 ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {116 this._transformMatrix = [a, b, c, d, e, f];117 ctx._originalSetTransform(a, b, c, d, e, f);118 };119 ctx.rotate = function ctxRotate(angle) {120 var cosValue = Math.cos(angle);121 var sinValue = Math.sin(angle);122 var m = this._transformMatrix;123 this._transformMatrix = [124 m[0] * cosValue + m[2] * sinValue,125 m[1] * cosValue + m[3] * sinValue,126 m[0] * (-sinValue) + m[2] * cosValue,127 m[1] * (-sinValue) + m[3] * cosValue,128 m[4],129 m[5]130 ];131 this._originalRotate(angle);132 };133 }134}135var CachedCanvases = (function CachedCanvasesClosure() {136 var cache = {};137 return {138 getCanvas: function CachedCanvases_getCanvas(id, width, height,139 trackTransform) {140 var canvasEntry;141 if (cache[id] !== undefined) {142 canvasEntry = cache[id];143 canvasEntry.canvas.width = width;144 canvasEntry.canvas.height = height;145 // reset canvas transform for emulated mozCurrentTransform, if needed146 canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);147 } else {148 var canvas = createScratchCanvas(width, height);149 var ctx = canvas.getContext('2d');150 if (trackTransform) {151 addContextCurrentTransform(ctx);152 }153 cache[id] = canvasEntry = {canvas: canvas, context: ctx};154 }155 return canvasEntry;156 },157 clear: function () {158 for (var id in cache) {159 var canvasEntry = cache[id];160 // Zeroing the width and height causes Firefox to release graphics161 // resources immediately, which can greatly reduce memory consumption.162 canvasEntry.canvas.width = 0;163 canvasEntry.canvas.height = 0;164 delete cache[id];165 }166 }167 };168})();169function compileType3Glyph(imgData) {170 var POINT_TO_PROCESS_LIMIT = 1000;171 var width = imgData.width, height = imgData.height;172 var i, j, j0, width1 = width + 1;173 var points = new Uint8Array(width1 * (height + 1));174 var POINT_TYPES =175 new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);176 // decodes bit-packed mask data177 var lineSize = (width + 7) & ~7, data0 = imgData.data;178 var data = new Uint8Array(lineSize * height), pos = 0, ii;179 for (i = 0, ii = data0.length; i < ii; i++) {180 var mask = 128, elem = data0[i];181 while (mask > 0) {182 data[pos++] = (elem & mask) ? 0 : 255;183 mask >>= 1;184 }185 }186 // finding iteresting points: every point is located between mask pixels,187 // so there will be points of the (width + 1)x(height + 1) grid. Every point188 // will have flags assigned based on neighboring mask pixels:189 // 4 | 8190 // --P--191 // 2 | 1192 // We are interested only in points with the flags:193 // - outside corners: 1, 2, 4, 8;194 // - inside corners: 7, 11, 13, 14;195 // - and, intersections: 5, 10.196 var count = 0;197 pos = 0;198 if (data[pos] !== 0) {199 points[0] = 1;200 ++count;201 }202 for (j = 1; j < width; j++) {203 if (data[pos] !== data[pos + 1]) {204 points[j] = data[pos] ? 2 : 1;205 ++count;206 }207 pos++;208 }209 if (data[pos] !== 0) {210 points[j] = 2;211 ++count;212 }213 for (i = 1; i < height; i++) {214 pos = i * lineSize;215 j0 = i * width1;216 if (data[pos - lineSize] !== data[pos]) {217 points[j0] = data[pos] ? 1 : 8;218 ++count;219 }220 // 'sum' is the position of the current pixel configuration in the 'TYPES'221 // array (in order 8-1-2-4, so we can use '>>2' to shift the column).222 var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);223 for (j = 1; j < width; j++) {224 sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) +225 (data[pos - lineSize + 1] ? 8 : 0);226 if (POINT_TYPES[sum]) {227 points[j0 + j] = POINT_TYPES[sum];228 ++count;229 }230 pos++;231 }232 if (data[pos - lineSize] !== data[pos]) {233 points[j0 + j] = data[pos] ? 2 : 4;234 ++count;235 }236 if (count > POINT_TO_PROCESS_LIMIT) {237 return null;238 }239 }240 pos = lineSize * (height - 1);241 j0 = i * width1;242 if (data[pos] !== 0) {243 points[j0] = 8;244 ++count;245 }246 for (j = 1; j < width; j++) {247 if (data[pos] !== data[pos + 1]) {248 points[j0 + j] = data[pos] ? 4 : 8;249 ++count;250 }251 pos++;252 }253 if (data[pos] !== 0) {254 points[j0 + j] = 4;255 ++count;256 }257 if (count > POINT_TO_PROCESS_LIMIT) {258 return null;259 }260 // building outlines261 var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);262 var outlines = [];263 for (i = 0; count && i <= height; i++) {264 var p = i * width1;265 var end = p + width;266 while (p < end && !points[p]) {267 p++;268 }269 if (p === end) {270 continue;271 }272 var coords = [p % width1, i];273 var type = points[p], p0 = p, pp;274 do {275 var step = steps[type];276 do {277 p += step;278 } while (!points[p]);279 pp = points[p];280 if (pp !== 5 && pp !== 10) {281 // set new direction282 type = pp;283 // delete mark284 points[p] = 0;285 } else { // type is 5 or 10, ie, a crossing286 // set new direction287 type = pp & ((0x33 * type) >> 4);288 // set new type for "future hit"289 points[p] &= (type >> 2 | type << 2);290 }291 coords.push(p % width1);292 coords.push((p / width1) | 0);293 --count;294 } while (p0 !== p);295 outlines.push(coords);296 --i;297 }298 var drawOutline = function(c) {299 c.save();300 // the path shall be painted in [0..1]x[0..1] space301 c.scale(1 / width, -1 / height);302 c.translate(0, -height);303 c.beginPath();304 for (var i = 0, ii = outlines.length; i < ii; i++) {305 var o = outlines[i];306 c.moveTo(o[0], o[1]);307 for (var j = 2, jj = o.length; j < jj; j += 2) {308 c.lineTo(o[j], o[j+1]);309 }310 }311 c.fill();312 c.beginPath();313 c.restore();314 };315 return drawOutline;316}317var CanvasExtraState = (function CanvasExtraStateClosure() {318 function CanvasExtraState(old) {319 // Are soft masks and alpha values shapes or opacities?320 this.alphaIsShape = false;321 this.fontSize = 0;322 this.fontSizeScale = 1;323 this.textMatrix = IDENTITY_MATRIX;324 this.textMatrixScale = 1;325 this.fontMatrix = FONT_IDENTITY_MATRIX;326 this.leading = 0;327 // Current point (in user coordinates)328 this.x = 0;329 this.y = 0;330 // Start of text line (in text coordinates)331 this.lineX = 0;332 this.lineY = 0;333 // Character and word spacing334 this.charSpacing = 0;335 this.wordSpacing = 0;336 this.textHScale = 1;337 this.textRenderingMode = TextRenderingMode.FILL;338 this.textRise = 0;339 // Default fore and background colors340 this.fillColor = '#000000';341 this.strokeColor = '#000000';342 this.patternFill = false;343 // Note: fill alpha applies to all non-stroking operations344 this.fillAlpha = 1;345 this.strokeAlpha = 1;346 this.lineWidth = 1;347 this.activeSMask = null; // nonclonable field (see the save method below)348 this.old = old;349 }350 CanvasExtraState.prototype = {351 clone: function CanvasExtraState_clone() {352 return Object.create(this);353 },354 setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {355 this.x = x;356 this.y = y;357 }358 };359 return CanvasExtraState;360})();361var CanvasGraphics = (function CanvasGraphicsClosure() {362 // Defines the time the executeOperatorList is going to be executing363 // before it stops and shedules a continue of execution.364 var EXECUTION_TIME = 15;365 // Defines the number of steps before checking the execution time366 var EXECUTION_STEPS = 10;367 function CanvasGraphics(canvasCtx, commonObjs, objs, imageLayer) {368 this.ctx = canvasCtx;369 this.current = new CanvasExtraState();370 this.stateStack = [];371 this.pendingClip = null;372 this.pendingEOFill = false;373 this.res = null;374 this.xobjs = null;375 this.commonObjs = commonObjs;376 this.objs = objs;377 this.imageLayer = imageLayer;378 this.groupStack = [];379 this.processingType3 = null;380 // Patterns are painted relative to the initial page/form transform, see pdf381 // spec 8.7.2 NOTE 1.382 this.baseTransform = null;383 this.baseTransformStack = [];384 this.groupLevel = 0;385 this.smaskStack = [];386 this.smaskCounter = 0;387 this.tempSMask = null;388 if (canvasCtx) {389 // NOTE: if mozCurrentTransform is polyfilled, then the current state of390 // the transformation must already be set in canvasCtx._transformMatrix.391 addContextCurrentTransform(canvasCtx);392 }393 this.cachedGetSinglePixelWidth = null;394 }395 function putBinaryImageData(ctx, imgData) {396 if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {397 ctx.putImageData(imgData, 0, 0);398 return;399 }400 // Put the image data to the canvas in chunks, rather than putting the401 // whole image at once. This saves JS memory, because the ImageData object402 // is smaller. It also possibly saves C++ memory within the implementation403 // of putImageData(). (E.g. in Firefox we make two short-lived copies of404 // the data passed to putImageData()). |n| shouldn't be too small, however,405 // because too many putImageData() calls will slow things down....

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Using AI Code Generation

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1var wpt = require('wpt');2wpt.addContextCurrentTransform('test');3wpt.addContextCurrentTransform('test1');4wpt.addContextCurrentTransform('test2');5wpt.addContextCurrentTransform('test3');6wpt.addContextCurrentTransform('test4');7wpt.addContextCurrentTransform('test5');8wpt.addContextCurrentTransform('test6');9wpt.addContextCurrentTransform('test7');10wpt.addContextCurrentTransform('test8');11wpt.addContextCurrentTransform('test9');12var wpt = require('wpt');13wpt.addContextCurrentTransform('test');14wpt.addContextCurrentTransform('test1');15wpt.addContextCurrentTransform('test2');16wpt.addContextCurrentTransform('test3');17wpt.addContextCurrentTransform('test4');18wpt.addContextCurrentTransform('test5');19wpt.addContextCurrentTransform('test6');20wpt.addContextCurrentTransform('test7');21wpt.addContextCurrentTransform('test8');22wpt.addContextCurrentTransform('test9');23var wpt = require('wpt');24wpt.addContextCurrentTransform('test');25wpt.addContextCurrentTransform('test1');26wpt.addContextCurrentTransform('test2');27wpt.addContextCurrentTransform('test3');28wpt.addContextCurrentTransform('test4');29wpt.addContextCurrentTransform('test5');30wpt.addContextCurrentTransform('test6');31wpt.addContextCurrentTransform('test7');32wpt.addContextCurrentTransform('test8');33wpt.addContextCurrentTransform('test9');34var wpt = require('wpt');35wpt.addContextCurrentTransform('test');36wpt.addContextCurrentTransform('test1');37wpt.addContextCurrentTransform('test2');38wpt.addContextCurrentTransform('test3');39wpt.addContextCurrentTransform('test4');40wpt.addContextCurrentTransform('test5');41wpt.addContextCurrentTransform('test6');42wpt.addContextCurrentTransform('test7');43wpt.addContextCurrentTransform('test8');44wpt.addContextCurrentTransform('test9');

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Using AI Code Generation

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1var canvas = document.getElementById("canvas");2var context = canvas.getContext("2d");3context.addContextCurrentTransform(1, 0, 0, 1, 1, 1);4var canvas = document.getElementById("canvas");5var context = canvas.getContext("2d");6context.addContextCurrentTransform(1, 0, 0, 1, 1, 1);7var canvas = document.getElementById("canvas");8var context = canvas.getContext("2d");9context.addContextCurrentTransform(1, 0, 0, 1, 1, 1);10var canvas = document.getElementById("canvas");11var context = canvas.getContext("2d");12context.addContextCurrentTransform(1, 0, 0, 1, 1, 1);13var canvas = document.getElementById("canvas");14var context = canvas.getContext("2d");15context.addContextCurrentTransform(1, 0, 0, 1, 1, 1);16var canvas = document.getElementById("canvas");17var context = canvas.getContext("2d");18context.addContextCurrentTransform(1, 0, 0, 1, 1, 1);19var canvas = document.getElementById("canvas");20var context = canvas.getContext("2d");21context.addContextCurrentTransform(1, 0, 0, 1, 1, 1);22var canvas = document.getElementById("canvas");23var context = canvas.getContext("2d");24context.addContextCurrentTransform(1, 0, 0, 1, 1, 1);25var canvas = document.getElementById("canvas");26var context = canvas.getContext("2d");27context.addContextCurrentTransform(1, 0, 0, 1, 1, 1);28var canvas = document.getElementById("canvas");29var context = canvas.getContext("2d");

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Using AI Code Generation

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1var transform = new AffineTransform();2transform.translate(10, 10);3transform.rotate(Math.PI/4);4transform.scale(2, 2);5transform.shear(0.5, 0.5);6transform.translate(-10, -10);7wptoolkit.addContextCurrentTransform(transform);8var transform = new AffineTransform();9transform.translate(10, 10);10transform.rotate(Math.PI/4);11transform.scale(2, 2);12transform.shear(0.5, 0.5);13transform.translate(-10, -10);14wptoolkit.addContextCurrentTransform(transform);15var transform = new AffineTransform();16transform.translate(10, 10);17transform.rotate(Math.PI/4);18transform.scale(2, 2);19transform.shear(0.5, 0.5);20transform.translate(-10, -10);21wptoolkit.addContextCurrentTransform(transform);22var transform = new AffineTransform();23transform.translate(10, 10);24transform.rotate(Math.PI/4);25transform.scale(2, 2);26transform.shear(0.5, 0.5);27transform.translate(-10, -10);28wptoolkit.addContextCurrentTransform(transform);29var transform = new AffineTransform();30transform.translate(10, 10);31transform.rotate(Math.PI/4);32transform.scale(2, 2);33transform.shear(0.5, 0.5);34transform.translate(-10, -10);35wptoolkit.addContextCurrentTransform(transform);36var transform = new AffineTransform();37transform.translate(10, 10);38transform.rotate(Math.PI/4);39transform.scale(2, 2);

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Using AI Code Generation

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1var wptoolkit = require("wptoolkit");2var context = new wptoolkit.Context();3var transform = new wptoolkit.Transform();4transform.addTranslation(10, 10, 0);5context.addContextCurrentTransform(transform);6transform.addRotation(10, 10, 0, 30);7context.addContextCurrentTransform(transform);8transform.addScaling(10, 10, 0);9context.addContextCurrentTransform(transform);10transform.addShearing(10, 10, 0);11context.addContextCurrentTransform(transform);12transform.addPerspective(10, 10, 0);13context.addContextCurrentTransform(transform);14transform.addPerspective(10, 10, 0);15context.addContextCurrentTransform(transform);16context.resetContextCurrentTransform();17transform.addTranslation(10, 10, 0);18context.addContextCurrentTransform(transform);19transform.addRotation(10, 10, 0, 30);20context.addContextCurrentTransform(transform);21transform.addScaling(10, 10, 0);22context.addContextCurrentTransform(transform);23transform.addShearing(10, 10, 0);24context.addContextCurrentTransform(transform);25transform.addPerspective(10, 10, 0);26context.addContextCurrentTransform(transform);27transform.addPerspective(10, 10, 0);28context.addContextCurrentTransform(transform);29context.resetContextCurrentTransform();30transform.addTranslation(10, 10, 0);31context.addContextCurrentTransform(transform);32transform.addRotation(10, 10, 0, 30);33context.addContextCurrentTransform(transform);34transform.addScaling(10, 10, 0);

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Using AI Code Generation

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1var wptoolkit = require("wptoolkit");2var wp = require("wptoolkit/lib/wptoolkit-common");3var x = 50;4var y = 50;5var z = 50;6var angle = 90;7var axis = 1;8wp.addContextCurrentTransform(x, y, z, angle, axis);9Example 3: Using addContextCurrentTransform() method10var wptoolkit = require("wptoolkit");11var wp = require("wptoolkit/lib/wptoolkit-common");12var x = 50;13var y = 50;14var z = 50;15var angle = 90;16var axis = 1;17wp.addContextCurrentTransform(x, y, z, angle, axis);18Example 4: Using addContextCurrentTransform() method19var wptoolkit = require("wptoolkit");20var wp = require("wptoolkit/lib/wptoolkit-common");21var x = 50;22var y = 50;23var z = 50;24var angle = 90;25var axis = 1;26wp.addContextCurrentTransform(x, y, z, angle, axis);

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Using AI Code Generation

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1var wpt = require("wpt-api");2var wpt = new wpt();3 console.log(data);4});5var wpt = require("wpt-api");6var wpt = new wpt();7 console.log(data);8});9var wpt = require("wpt-api");10var wpt = new wpt();11 console.log(data);12});13var wpt = require("wpt-api");14var wpt = new wpt();15 console.log(data);16});17var wpt = require("wpt-api");18var wpt = new wpt();19 console.log(data);20});

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