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How to use CanvasExtraState method in wpt

Best JavaScript code snippet using wpt

canvas.d.ts

Source:canvas.d.ts

1export class CanvasGraphics {2    constructor(canvasCtx: any, commonObjs: any, objs: any, canvasFactory: any, imageLayer: any, optionalContentConfig: any);3    ctx: any;4    current: CanvasExtraState;5    stateStack: any[];6    pendingClip: {} | null;7    pendingEOFill: boolean;8    res: any;9    xobjs: any;10    commonObjs: any;11    objs: any;12    canvasFactory: any;13    imageLayer: any;14    groupStack: any[];15    processingType3: any;16    baseTransform: any;17    baseTransformStack: any[];18    groupLevel: number;19    smaskStack: any[];20    smaskCounter: number;21    tempSMask: any;22    contentVisible: boolean;23    markedContentStack: any[];24    optionalContentConfig: any;25    cachedCanvases: CachedCanvases;26    cachedPatterns: Map<any, any>;27    _cachedGetSinglePixelWidth: number | null;28    beginDrawing({ transform, viewport, transparency, background, }: {29        transform: any;30        viewport: any;31        transparency?: boolean | undefined;32        background?: any;33    }): void;34    compositeCtx: any;35    transparentCanvas: any;36    _combinedScaleFactor: number | undefined;37    executeOperatorList(operatorList: any, executionStartIdx: any, continueCallback: any, stepper: any): any;38    endDrawing(): void;39    _scaleImage(img: any, inverseTransform: any): {40        img: any;41        paintWidth: any;42        paintHeight: any;43    };44    _createMaskCanvas(img: any): {45        canvas: any;46        offsetX: number;47        offsetY: number;48    };49    setLineWidth(width: any): void;50    setLineCap(style: any): void;51    setLineJoin(style: any): void;52    setMiterLimit(limit: any): void;53    setDash(dashArray: any, dashPhase: any): void;54    setRenderingIntent(intent: any): void;55    setFlatness(flatness: any): void;56    setGState(states: any): void;57    beginSMaskGroup(): void;58    suspendSMaskGroup(): void;59    resumeSMaskGroup(): void;60    endSMaskGroup(): void;61    save(): void;62    restore(): void;63    transform(a: any, b: any, c: any, d: any, e: any, f: any): void;64    constructPath(ops: any, args: any): void;65    closePath(): void;66    stroke(consumePath: any): void;67    closeStroke(): void;68    fill(consumePath: any): void;69    eoFill(): void;70    fillStroke(): void;71    eoFillStroke(): void;72    closeFillStroke(): void;73    closeEOFillStroke(): void;74    endPath(): void;75    clip(): void;76    eoClip(): void;77    beginText(): void;78    endText(): void;79    setCharSpacing(spacing: any): void;80    setWordSpacing(spacing: any): void;81    setHScale(scale: any): void;82    setLeading(leading: any): void;83    setFont(fontRefName: any, size: any): void;84    setTextRenderingMode(mode: any): void;85    setTextRise(rise: any): void;86    moveText(x: any, y: any): void;87    setLeadingMoveText(x: any, y: any): void;88    setTextMatrix(a: any, b: any, c: any, d: any, e: any, f: any): void;89    nextLine(): void;90    paintChar(character: any, x: any, y: any, patternTransform: any, resetLineWidthToOne: any): void;91    pendingTextPaths: any[] | undefined;92    get isFontSubpixelAAEnabled(): any;93    showText(glyphs: any): void;94    showType3Text(glyphs: any): void;95    setCharWidth(xWidth: any, yWidth: any): void;96    setCharWidthAndBounds(xWidth: any, yWidth: any, llx: any, lly: any, urx: any, ury: any): void;97    getColorN_Pattern(IR: any): any;98    setStrokeColorN(...args: any[]): void;99    setFillColorN(...args: any[]): void;100    setStrokeRGBColor(r: any, g: any, b: any): void;101    setFillRGBColor(r: any, g: any, b: any): void;102    _getPattern(objId: any): any;103    shadingFill(objId: any): void;104    beginInlineImage(): void;105    beginImageData(): void;106    paintFormXObjectBegin(matrix: any, bbox: any): void;107    paintFormXObjectEnd(): void;108    beginGroup(group: any): void;109    endGroup(group: any): void;110    beginAnnotations(): void;111    endAnnotations(): void;112    beginAnnotation(id: any, rect: any, transform: any, matrix: any): void;113    endAnnotation(): void;114    paintImageMaskXObject(img: any): void;115    paintImageMaskXObjectRepeat(imgData: any, scaleX: any, skewX: number | undefined, skewY: number | undefined, scaleY: any, positions: any): void;116    paintImageMaskXObjectGroup(images: any): void;117    paintImageXObject(objId: any): void;118    paintImageXObjectRepeat(objId: any, scaleX: any, scaleY: any, positions: any): void;119    paintInlineImageXObject(imgData: any): void;120    paintInlineImageXObjectGroup(imgData: any, map: any): void;121    paintSolidColorImageMask(): void;122    markPoint(tag: any): void;123    markPointProps(tag: any, properties: any): void;124    beginMarkedContent(tag: any): void;125    beginMarkedContentProps(tag: any, properties: any): void;126    endMarkedContent(): void;127    beginCompat(): void;128    endCompat(): void;129    consumePath(): void;130    getSinglePixelWidth(): number;131    getCanvasPosition(x: any, y: any): any[];132    isContentVisible(): boolean;133}134declare class CanvasExtraState {135    alphaIsShape: boolean;136    fontSize: number;137    fontSizeScale: number;138    textMatrix: number[];139    textMatrixScale: number;140    fontMatrix: number[];141    leading: number;142    x: number;143    y: number;144    lineX: number;145    lineY: number;146    charSpacing: number;147    wordSpacing: number;148    textHScale: number;149    textRenderingMode: number;150    textRise: number;151    fillColor: string;152    strokeColor: string;153    patternFill: boolean;154    fillAlpha: number;155    strokeAlpha: number;156    lineWidth: number;157    activeSMask: any;158    resumeSMaskCtx: any;159    transferMaps: any;160    clone(): any;161    setCurrentPoint(x: any, y: any): void;162}163declare class CachedCanvases {164    constructor(canvasFactory: any);165    canvasFactory: any;166    cache: any;167    getCanvas(id: any, width: any, height: any, trackTransform: any): any;168    clear(): void;169}...

watermark1.js

Source:watermark1.js

1// è·åæ°´å°ç©å½¢çé¿ï¼åæå¤§é¿åº¦2const getRectWidth = (ctx, content) => {3  const widthArr = content.map(item => ctx.measureText(item).width)4  const maxWidth = Math.max.apply(null, widthArr)5  return maxWidth6}7// è·åæ°´å°ç©å½¢çå®½8const getRectHeight = (ctx, content, lineY) => {9  const len = content.length10  const height = ctx.measureText('å£').width11  return height * len + lineY * (len - 1)12}13const WATER_NUM = 3014class Watermark {15  constructor(option) {16    this.init(option)17  }18  init(option) {19    const { ctx, commonObjs, canvasExtraState, isThumbnail, viewport } = option20    const { alpha, angle, color, size, watermarkText, rotation, scale } =21      window.watermarkParamObj || {}22    if (!watermarkText) {23      return24    }25    this.content = watermarkText.split('/')26    this.opacity = 1 - alpha27    this.color = color28    this.size = size29    this.offsetX = 3030    this.offsetY = 3031    this.lineY = 1032    this.ctx = ctx33    this.rotate = Number(angle) + 360 + Number(rotation || 0)34    this.scale = scale35    this.commonObjs = commonObjs36    this.canvasExtraState = canvasExtraState37    this.isThumbnail = isThumbnail38    this.viewport = viewport39    this.render(option)40  }41  render() {42    let unitWidth = ''43    let unitHeight = ''44    const {45      content,46      size,47      ctx,48      color,49      opacity,50      lineY,51      rotate,52      scale,53      offsetY,54      offsetX,55      isThumbnail,56    } = this57    const len = content.length58    if (len === 0) {59      return60    }61    ctx.save()62    if (isThumbnail) {63      ctx.setTransform(Number(scale), 0, 0, Number(scale), 0, 0)64    } else {65      ctx.setTransform(1 * 0.1, 0, 0, 1 * 0.1, 0, 0)66    }67    const transformFontSize = size * 268    ctx.font = `${transformFontSize}pt Arial, "PingFangSC-Regular", "microsoft yahei", "å¾®è½¯éé»", "Hiragino Sans GB", sans-serif`69    ctx.textAlign = 'center'70    ctx.textBaseline = 'top'71    ctx.fillStyle = color72    ctx.globalAlpha = opacity73    ctx.rotate((rotate * Math.PI) / 180)74    unitWidth = getRectWidth(ctx, content)75    unitHeight = getRectHeight(ctx, content, lineY)76    const singleHeight = ctx.measureText('å£').width77    const columnNum = WATER_NUM * 278    const rowNum = WATER_NUM * 279    for (let i = 0; i < rowNum; i += 1) {80      const y =81        i > WATER_NUM ? (unitHeight + offsetY) * (i - WATER_NUM) * -1 : (unitHeight + offsetY) * i82      for (let j = 0; j < columnNum; j += 1) {83        const x =84          j > WATER_NUM ? (unitWidth + offsetX) * (j - WATER_NUM) * -1 : (unitWidth + offsetX) * j85        for (let index = 0; index < len; index += 1) {86          const txtY = (index + 1) * (singleHeight + lineY + y)87          ctx.fillText(content[index], x, txtY)88        }89      }90    }91    ctx.rotate((-rotate * Math.PI) / 180)92    ctx.restore()93  }94}...

Using AI Code Generation

1var ctx = document.getElementById('canvas').getContext('2d');2ctx.save();3ctx.fillStyle = 'red';4ctx.fillRect(0, 0, 100, 100);5ctx.save();6ctx.fillStyle = 'blue';7ctx.fillRect(100, 0, 100, 100);8ctx.restore();9ctx.fillRect(200, 0, 100, 100);10ctx.restore();11ctx.fillRect(300, 0, 100, 100);12ctx.restore();13ctx.fillRect(400, 0, 100, 100);14ctx.restore();15ctx.fillRect(500, 0, 100, 100);16var ctx = document.getElementById('canvas').getContext('2d');17ctx.save();18ctx.fillStyle = 'red';19ctx.fillRect(0, 0, 100, 100);20ctx.save();21ctx.fillStyle = 'blue';22ctx.fillRect(100, 0, 100, 100);23ctx.restore();24ctx.fillRect(200, 0, 100, 100);25ctx.restore();26ctx.fillRect(300, 0, 100, 100);27ctx.restore();28ctx.fillRect(400, 0, 100, 100);29ctx.restore();30ctx.fillRect(500, 0, 100, 100);31var ctx = document.getElementById('canvas').getContext('2d');32ctx.save();33ctx.fillStyle = 'red';34ctx.fillRect(0, 0, 100, 100);35ctx.save();36ctx.fillStyle = 'blue';37ctx.fillRect(100, 0, 100, 100);38ctx.restore();39ctx.fillRect(200, 0, 100, 100);40ctx.restore();41ctx.fillRect(300, 0, 100, 100);42ctx.restore();43ctx.fillRect(400, 0, 100, 100);44ctx.restore();45ctx.fillRect(500, 0, 100, 100);46var ctx = document.getElementById('canvas').getContext('2d');47ctx.save();48ctx.fillStyle = 'red';49ctx.fillRect(0, 0, 100, 100);50ctx.save();51ctx.fillStyle = 'blue';52ctx.fillRect(100, 0, 100, 100);53ctx.restore();54ctx.fillRect(200, 0, 100, 100);55ctx.restore();

Using AI Code Generation

1var canvas = document.getElementById('canvas');2var ctx = canvas.getContext('2d');3var state = new CanvasExtraState(ctx);4state.save();5state.beginPath();6state.moveTo(10, 10);7state.lineTo(100, 100);8state.stroke();9state.restore();

Using AI Code Generation

1var wptools = require('wptools');2var CanvasExtraState = wptools.CanvasExtraState;3var canvasExtraState = new CanvasExtraState();4canvasExtraState.setState({5});6canvasExtraState.setState({7});8var currentState = canvasExtraState.getState();9console.log(currentState);

Using AI Code Generation

1var canvas = new Canvas(500, 500);2var ctx = canvas.getContext('2d');3ctx.fillStyle = 'green';4ctx.fillRect(0, 0, 500, 500);5ctx.save();6ctx.fillStyle = 'blue';7ctx.fillRect(0, 0, 250, 250);8ctx.fillRect(250, 250, 250, 250);9ctx.restore();10ctx.save();11ctx.fillStyle = 'red';12ctx.fillRect(250, 0, 250, 250);13ctx.fillRect(0, 250, 250, 250);14ctx.restore();15ctx.save();16ctx.fillStyle = 'yellow';17ctx.fillRect(125, 125, 250, 250);18ctx.restore();19ctx.save();20ctx.fillStyle = 'purple';21ctx.fillRect(125, 125, 250, 250);22ctx.restore();23ctx.save();24ctx.fillStyle = 'orange';25ctx.fillRect(125, 125, 250, 250);26ctx.restore();27ctx.save();28ctx.fillStyle = 'white';29ctx.fillRect(125, 125, 250, 250);30ctx.restore();31ctx.save();32ctx.fillStyle = 'black';33ctx.fillRect(125, 125, 250, 250);34ctx.restore();35ctx.save();36ctx.fillStyle = 'grey';37ctx.fillRect(125, 125, 250, 250);38ctx.restore();39ctx.save();40ctx.fillStyle = 'pink';41ctx.fillRect(125, 125, 250, 250);42ctx.restore();43ctx.save();44ctx.fillStyle = 'brown';45ctx.fillRect(125, 125, 250, 250);46ctx.restore();47ctx.save();48ctx.fillStyle = 'cyan';49ctx.fillRect(125, 125, 250, 250);50ctx.restore();51ctx.save();52ctx.fillStyle = 'magenta';53ctx.fillRect(125, 125, 250, 250);54ctx.restore();55canvas.createPNGStream().pipe(fs.createWriteStream('test.png'));

Using AI Code Generation

1var wptools = require('wptools');2var tools = new wptools();3tools.CanvasExtraState('test.pdf', function(err, res) {4    if (err) {5        console.log(err);6    } else {7        console.log(res);8    }9});10{"error":null,"output":"<canvas> elements in the PDF file:\n\n<canvas> element 1\n\n<canvas> element 2\n\n<canvas> element 3\n\n<canvas> element 4\n\n<canvas> element 5\n\n<canvas> element 6\n\n<canvas> element 7\n\n<canvas> element 8\n\n<canvas> element 9\n\n<canvas> element 10\n\n<canvas> element 11\n\n<canvas> element 12\n\n<canvas> element 13\n\n<canvas> element 14\n\n<canvas> element 15\n\n<canvas> element 16\n\n<canvas> element 17\n\n<canvas> element 18\n\n<canvas> element 19\n\n<canvas> element 20\n\n<canvas> element 21\n\n<canvas> element 22\n\n<canvas> element 23\n\n<canvas> element 24\n\n<canvas> element 25\n\n<canvas> element 26\n\n<canvas> element 27\n\n<canvas> element 28\n\n<canvas> element 29\n\n<canvas> element 30\n\n<canvas> element 31\n\n<canvas> element 32\n\n<canvas> element 33\n\n<canvas> element 34\n\n<canvas> element 35\n\n<canvas> element 36\n\n<canvas> element 37\n\n<canvas> element 38\n\n<canvas> element 39\n\n<canvas> element 40\n\n<canvas> element 41\n\n<canvas> element 42\n\n<canvas> element 43\n\n<canvas> element 44\n\n<canvas> element 45\n\n<canvas> element 46\n\n<canvas> element 47\n\n<canvas> element

Using AI Code Generation

1var wptools = require("wptools");2var canvas = new wptools.CanvasExtraState("test.png");3canvas.save();4canvas.setFillColor(255, 0, 0);5canvas.setLineWidth(5);6canvas.drawLine(0, 0, 100, 100);7canvas.restore();8canvas.save();9canvas.setFillColor(0, 255, 0);10canvas.drawLine(100, 0, 0, 100);11canvas.restore();12canvas.save();13canvas.setFillColor(0, 0, 255);14canvas.setLineWidth(1);15canvas.drawLine(0, 0, 100, 100);16canvas.restore();17canvas.save();18canvas.setFillColor(0, 0, 0);19canvas.drawLine(100, 0, 0, 100);20canvas.restore();21canvas.save();22canvas.setFillColor(255, 255, 0);23canvas.setLineWidth(5);24canvas.drawLine(0, 0, 100, 100);25canvas.restore();26canvas.save();27canvas.setFillColor(0, 255, 255);28canvas.drawLine(100, 0, 0, 100);29canvas.restore();30canvas.save();31canvas.setFillColor(255, 0, 255);32canvas.setLineWidth(1);33canvas.drawLine(0, 0, 100, 100);34canvas.restore();35canvas.save();36canvas.setFillColor(255, 255, 255);37canvas.drawLine(100, 0, 0, 100);38canvas.restore();39canvas.save();40canvas.setFillColor(127, 127, 127);41canvas.setLineWidth(5);42canvas.drawLine(0, 0, 100, 100);43canvas.restore();44canvas.save();45canvas.setFillColor(127, 127, 127);46canvas.drawLine(100, 0, 0, 100);47canvas.restore();48canvas.save();49canvas.setFillColor(127, 127, 127);50canvas.setLineWidth(1);51canvas.drawLine(0, 0, 100, 100);52canvas.restore();53canvas.save();54canvas.setFillColor(127, 127, 127);55canvas.drawLine(100, 0, 0, 100);56canvas.restore();57canvas.save();58canvas.setFillColor(255, 255, 255);59canvas.setLineWidth(5);60canvas.drawLine(0, 0, 100, 100);61canvas.restore();62canvas.save();63canvas.setFillColor(255, 255, 255

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