| // This file is type-checked by the Typescript definitions. It is not actually executed. |
| // Test it by running `npm run dtslint` in the parent directory. |
| import { |
| CanvasKitInit, |
| AnimatedImage, |
| Canvas, |
| CanvasKit, |
| ColorFilter, |
| Font, |
| FontMgr, |
| Image, |
| ImageFilter, |
| ImageInfo, |
| MaskFilter, |
| Paint, |
| Paragraph, |
| Path, |
| PathEffect, |
| Shader, |
| SkPicture, |
| TextBlob, |
| Typeface, |
| Vertices, |
| } from "canvaskit-wasm"; |
| |
| CanvasKitInit({locateFile: (file: string) => '/node_modules/canvaskit/bin/' + file}).then((CK: CanvasKit) => { |
| animatedImageTests(CK); |
| canvasTests(CK); |
| canvas2DTests(CK); |
| colorFilterTests(CK); |
| colorTests(CK); |
| contourMeasureTests(CK); |
| imageFilterTests(CK); |
| imageTests(CK); |
| fontTests(CK); |
| fontMgrTests(CK); |
| globalTests(CK); |
| mallocTests(CK); |
| maskFilterTests(CK); |
| matrixTests(CK); |
| paintTests(CK); |
| paragraphTests(CK); |
| paragraphBuilderTests(CK); |
| particlesTests(CK); |
| pathEffectTests(CK); |
| pathTests(CK); |
| pictureTests(CK); |
| rectangleTests(CK); |
| runtimeEffectTests(CK); |
| skottieTests(CK); |
| shaderTests(CK); |
| surfaceTests(CK); |
| textBlobTests(CK); |
| vectorTests(CK); |
| verticesTests(CK); |
| }); |
| |
| function animatedImageTests(CK: CanvasKit) { |
| const buff = new ArrayBuffer(10); |
| const img = CK.MakeAnimatedImageFromEncoded(buff); // $ExpectType AnimatedImage | null |
| if (!img) return; |
| const n = img.decodeNextFrame(); // $ExpectType number |
| const f = img.getFrameCount(); // $ExpectType number |
| const r = img.getRepetitionCount(); // $ExpectType number |
| const h = img.height(); // $ExpectType number |
| const still = img.makeImageAtCurrentFrame(); // $ExpectType Image | null |
| img.reset(); |
| const w = img.width(); // $ExpectType number |
| } |
| |
| // In an effort to keep these type-checking tests easy to read and understand, we can "inject" |
| // types instead of actually having to create them from scratch. To inject them, we define them |
| // as an optional parameter and then have a null check to make sure that optional-ness does not |
| // cause errors. |
| function canvasTests(CK: CanvasKit, canvas?: Canvas, paint?: Paint, path?: Path, |
| img?: Image, aImg?: AnimatedImage, para?: Paragraph, |
| skp?: SkPicture, font?: Font, textBlob?: TextBlob, verts?: Vertices, |
| imageInfo?: ImageInfo, imgFilter?: ImageFilter) { |
| if (!canvas || !paint || !path || !img || !aImg || !para || !skp || !font || |
| !textBlob || !verts || !imageInfo || !imgFilter) { |
| return; |
| } |
| const someColor = [0.9, 0.8, 0.7, 0.6]; // Making sure arrays are accepted as colors. |
| const someRect = [4, 3, 2, 1]; // Making sure arrays are accepted as rects. |
| // Making sure arrays are accepted as rrects. |
| const someRRect = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]; |
| const someMatrix = CK.Malloc(Float32Array, 16); // Make sure matrixes can be malloc'd. |
| |
| canvas.clear(CK.RED); |
| canvas.clipPath(path, CK.ClipOp.Intersect, false); |
| canvas.clipRect(someRect, CK.ClipOp.Intersect, true); |
| canvas.clipRRect(CK.RRectXY(someRect, 10, 20), CK.ClipOp.Difference, true); |
| canvas.concat([1, 0, 0, 0, 1, 0, 0, 0, 1]); |
| canvas.concat(someMatrix); |
| canvas.drawArc(someRect, 0, 90, true, paint); |
| canvas.drawAtlas(img, [1, 2, 3, 4, 5, 6, 7, 8], [8, 7, 6, 5, 4, 3, 2, 1], paint); |
| canvas.drawAtlas(img, [1, 2, 3, 4, 5, 6, 7, 8], [8, 7, 6, 5, 4, 3, 2, 1], paint, |
| CK.BlendMode.Darken, |
| [CK.ColorAsInt(100, 110, 120), CK.ColorAsInt(130, 140, 150)]); |
| canvas.drawCircle(20, 20, 20, paint); |
| canvas.drawColor(someColor); |
| canvas.drawColor(someColor, CK.BlendMode.ColorDodge); |
| canvas.drawColorComponents(0.2, 1.0, -0.02, 0.5); |
| canvas.drawColorComponents(0.2, 1.0, -0.02, 0.5, CK.BlendMode.ColorDodge); |
| canvas.drawColorInt(CK.ColorAsInt(100, 110, 120)); |
| canvas.drawColorInt(CK.ColorAsInt(100, 110, 120), CK.BlendMode.ColorDodge); |
| canvas.drawDRRect(someRRect, CK.RRectXY(someRect, 10, 20), paint); |
| canvas.drawImage(img, 0, -43); |
| canvas.drawImage(img, 0, -43, paint); |
| canvas.drawImageAtCurrentFrame(aImg, 0, -43); |
| canvas.drawImageAtCurrentFrame(aImg, 0, -43, paint); |
| canvas.drawImageCubic(img, 0, -43, 1 / 3, 1 / 4, null); |
| canvas.drawImageOptions(img, 0, -43, CK.FilterMode.Nearest, CK.MipmapMode.Nearest, paint); |
| canvas.drawImageNine(img, someRect, someRect, CK.FilterMode.Nearest); |
| canvas.drawImageNine(img, CK.XYWHiRect(10, 20, 40, 40), someRect, CK.FilterMode.Linear, paint); |
| canvas.drawImageRect(img, someRect, someRect, paint); |
| canvas.drawImageRect(img, CK.XYWHRect(90, 90, 40, 40), someRect, paint); |
| canvas.drawImageRect(img, someRect, someRect, paint, true); |
| canvas.drawImageRectCubic(img, someRect, someRect, 1 / 5, 1 / 6); |
| canvas.drawImageRectCubic(img, someRect, someRect, 1 / 5, 1 / 6, paint); |
| canvas.drawImageRectOptions(img, someRect, someRect, CK.FilterMode.Linear, CK.MipmapMode.None); |
| canvas.drawImageRectOptions(img, someRect, someRect, CK.FilterMode.Linear, CK.MipmapMode.None, paint); |
| canvas.drawLine(1, 2, 3, 4, paint); |
| canvas.drawOval(someRect, paint); |
| canvas.drawPaint(paint); |
| canvas.drawParagraph(para, 10, 7); |
| canvas.drawPath(path, paint); |
| canvas.drawPicture(skp); |
| canvas.drawPoints(CK.PointMode.Lines, [1, 2, 3, 4, 5, 6], paint); |
| canvas.drawRect(someRect, paint); |
| canvas.drawRect4f(5, 6, 7, 8, paint); |
| canvas.drawRRect(someRRect, paint); |
| canvas.drawShadow(path, [1, 2, 3], [4, 5, 6], 7, someColor, CK.BLUE, 0); |
| const mallocedVector3 = CK.Malloc(Float32Array, 3); |
| canvas.drawShadow(path, mallocedVector3, mallocedVector3, 7, someColor, CK.BLUE, 0); |
| canvas.drawText('foo', 1, 2, paint, font); |
| canvas.drawTextBlob(textBlob, 10, 20, paint); |
| canvas.drawVertices(verts, CK.BlendMode.DstOut, paint); |
| const matrOne = canvas.findMarkedCTM('thing'); // $ExpectType Float32Array | null |
| const matrTwo = canvas.getLocalToDevice(); // $ExpectType Float32Array |
| const sc = canvas.getSaveCount(); // $ExpectType number |
| const matrThree = canvas.getTotalMatrix(); // $ExpectType number[] |
| const surface = canvas.makeSurface(imageInfo); // $ExpectType Surface | null |
| canvas.markCTM('more ctm'); |
| const pixels = canvas.readPixels(85, 1000, {// $Uint8Array | Float32Array | null |
| width: 79, |
| height: 205, |
| colorType: CK.ColorType.RGBA_8888, |
| alphaType: CK.AlphaType.Unpremul, |
| colorSpace: CK.ColorSpace.SRGB, |
| }); |
| const m = CK.Malloc(Uint8Array, 10); |
| img.readPixels(85, 1000, { |
| width: 79, |
| height: 205, |
| colorType: CK.ColorType.RGBA_8888, |
| alphaType: CK.AlphaType.Unpremul, |
| colorSpace: CK.ColorSpace.SRGB, |
| }, m, 4 * 85); |
| canvas.restore(); |
| canvas.restoreToCount(2); |
| canvas.rotate(1, 2, 3); |
| const height = canvas.save(); // $ExpectType number |
| const h2 = canvas.saveLayer(); // $ExpectType number |
| const h3 = canvas.saveLayer(paint); // $ExpectType number |
| const h4 = canvas.saveLayer(paint, someRect); |
| const h5 = canvas.saveLayer(paint, someRect, imgFilter, CK.SaveLayerF16ColorType); |
| const h6 = canvas.saveLayer(paint, someRect, null, CK.SaveLayerInitWithPrevious); |
| canvas.scale(5, 10); |
| canvas.skew(10, 5); |
| canvas.translate(20, 30); |
| const ok = canvas.writePixels([1, 2, 3, 4], 1, 1, 10, 20); // $ExpectType boolean |
| const ok2 = canvas.writePixels([1, 2, 3, 4], 1, 1, 10, 20, CK.AlphaType.Premul, |
| CK.ColorType.Alpha_8, CK.ColorSpace.DISPLAY_P3); |
| } |
| |
| function canvas2DTests(CK: CanvasKit) { |
| const bytes = new ArrayBuffer(10); |
| |
| const canvas = CK.MakeCanvas(100, 200); |
| const img = canvas.decodeImage(bytes); |
| const ctx = canvas.getContext('2d'); |
| ctx!.lineTo(2, 4); |
| canvas.loadFont(bytes, { |
| family: 'BungeeNonSystem', |
| style: 'normal', |
| weight: '400', |
| }); |
| const p2d = canvas.makePath2D(); |
| p2d.quadraticCurveTo(1, 2, 3, 4); |
| const iData = new CK.ImageData(40, 50); |
| const imgStr = canvas.toDataURL(); |
| } |
| |
| function colorTests(CK: CanvasKit) { |
| const colorOne = CK.Color(200, 200, 200, 0.8); // $ExpectType Float32Array |
| const colorTwo = CK.Color4f(0.8, 0.8, 0.8, 0.7); // $ExpectType Float32Array |
| const colorThree = CK.ColorAsInt(240, 230, 220); // $ExpectType number |
| const colorFour = CK.parseColorString('#887766'); // $ExpectType Float32Array |
| const colors = CK.computeTonalColors({ // $ExpectType TonalColorsOutput |
| ambient: colorOne, |
| spot: [0.2, 0.4, 0.6, 0.8], |
| }); |
| |
| // Deprecated Color functions |
| const [r, g, b, a] = CK.getColorComponents(colorTwo); |
| const alphaChanged = CK.multiplyByAlpha(colorOne, 0.1); |
| } |
| |
| function colorFilterTests(CK: CanvasKit) { |
| const cf = CK.ColorFilter; // less typing |
| const filterOne = cf.MakeBlend(CK.CYAN, CK.BlendMode.ColorBurn); // $ExpectType ColorFilter |
| const filterTwo = cf.MakeLinearToSRGBGamma(); // $ExpectType ColorFilter |
| const filterThree = cf.MakeSRGBToLinearGamma(); // $ExpectType ColorFilter |
| const filterFour = cf.MakeCompose(filterOne, filterTwo); // $ExpectType ColorFilter |
| const filterFive = cf.MakeLerp(0.7, filterThree, filterFour); // $ExpectType ColorFilter |
| |
| const r = CK.ColorMatrix.rotated(0, .707, -.707); // $ExpectType Float32Array |
| const b = CK.ColorMatrix.rotated(2, .5, .866); |
| const s = CK.ColorMatrix.scaled(0.9, 1.5, 0.8, 0.8); |
| let cm = CK.ColorMatrix.concat(r, s); |
| cm = CK.ColorMatrix.concat(cm, b); |
| CK.ColorMatrix.postTranslate(cm, 20, 0, -10, 0); |
| |
| const filterSix = CK.ColorFilter.MakeMatrix(cm); // $ExpectType ColorFilter |
| } |
| |
| function contourMeasureTests(CK: CanvasKit, path?: Path) { |
| if (!path) return; |
| const iter = new CK.ContourMeasureIter(path, true, 2); // $ExpectType ContourMeasureIter |
| const contour = iter.next(); // $ExpectType ContourMeasure | null |
| if (!contour) return; |
| const pt = contour.getPosTan(2); // $ExpectType Float32Array |
| contour.getPosTan(2, pt); |
| const segment = contour.getSegment(0, 20, true); // $ExpectType Path |
| const closed = contour.isClosed(); // $ExpectType boolean |
| const length = contour.length(); // $ExpectType number |
| } |
| |
| function imageTests(CK: CanvasKit, imgElement?: HTMLImageElement) { |
| if (!imgElement) return; |
| const buff = new ArrayBuffer(10); |
| const img = CK.MakeImageFromEncoded(buff); // $ExpectType Image | null |
| const img2 = CK.MakeImageFromCanvasImageSource(imgElement); // $ExpectType Image |
| const img3 = CK.MakeImage({ // $ExpectType Image | null |
| width: 1, |
| height: 1, |
| alphaType: CK.AlphaType.Premul, |
| colorType: CK.ColorType.RGBA_8888, |
| colorSpace: CK.ColorSpace.SRGB |
| }, Uint8Array.of(255, 0, 0, 250), 4); |
| if (!img) return; |
| const dOne = img.encodeToBytes(); // $ExpectType Uint8Array | null |
| const dTwo = img.encodeToBytes(CK.ImageFormat.JPEG, 97); |
| const h = img.height(); |
| const w = img.width(); |
| const s1 = img.makeShaderCubic(CK.TileMode.Decal, CK.TileMode.Repeat, 1 / 3, 1 / 3); // $ExpectType Shader |
| const mm = img.makeCopyWithDefaultMipmaps(); // $ExpectType Image |
| const s2 = mm.makeShaderOptions(CK.TileMode.Decal, CK.TileMode.Repeat, // $ExpectType Shader |
| CK.FilterMode.Nearest, CK.MipmapMode.Linear, |
| CK.Matrix.identity()); |
| const pixels = img.readPixels(85, 1000, { // $ExpectType Float32Array | Uint8Array | null |
| width: 79, |
| height: 205, |
| colorType: CK.ColorType.RGBA_8888, |
| alphaType: CK.AlphaType.Unpremul, |
| colorSpace: CK.ColorSpace.SRGB, |
| }); |
| const m = CK.Malloc(Uint8Array, 10); |
| img.readPixels(85, 1000, { |
| width: 79, |
| height: 205, |
| colorType: CK.ColorType.RGBA_8888, |
| alphaType: CK.AlphaType.Unpremul, |
| colorSpace: CK.ColorSpace.SRGB, |
| }, m, 4 * 85); |
| const ii = img.getImageInfo(); // $ExpectType PartialImageInfo |
| const cs = img.getColorSpace(); // $ExpectType ColorSpace |
| cs.delete(); |
| img.delete(); |
| } |
| |
| function imageFilterTests(CK: CanvasKit, colorFilter?: ColorFilter) { |
| if (!colorFilter) return; |
| const imgf = CK.ImageFilter; // less typing |
| const filter = imgf.MakeBlur(2, 4, CK.TileMode.Mirror, null); // $ExpectType ImageFilter |
| const filter1 = imgf.MakeBlur(2, 4, CK.TileMode.Decal, filter); // $ExpectType ImageFilter |
| const filter2 = imgf.MakeColorFilter(colorFilter, null); // $ExpectType ImageFilter |
| const filter3 = imgf.MakeColorFilter(colorFilter, filter); // $ExpectType ImageFilter |
| const filter4 = imgf.MakeCompose(null, filter2); // $ExpectType ImageFilter |
| const filter5 = imgf.MakeCompose(filter3, null); // $ExpectType ImageFilter |
| const filter6 = imgf.MakeCompose(filter4, filter2); // $ExpectType ImageFilter |
| const filter7 = imgf.MakeMatrixTransform(CK.Matrix.scaled(2, 3, 10, 10), |
| CK.FilterQuality.High, null); |
| const filter8 = imgf.MakeMatrixTransform(CK.M44.identity(), |
| CK.FilterQuality.None, filter6); |
| } |
| |
| function fontTests(CK: CanvasKit, face?: Typeface, paint?: Paint) { |
| if (!face || !paint) return; |
| const font = new CK.Font(); // $ExpectType Font |
| const f2 = new CK.Font(face); // $ExpectType Font |
| const f3 = new CK.Font(null); // $ExpectType Font |
| const f4 = new CK.Font(face, 20); // $ExpectType Font |
| const f5 = new CK.Font(null, 20); // $ExpectType Font |
| const f6 = new CK.Font(null, 20, 2, 3); // $ExpectType Font |
| const f7 = new CK.Font(face, 20, 4, 5); // $ExpectType Font |
| |
| const glyphMalloc = CK.MallocGlyphIDs(20); |
| const someGlyphs = [1, 2, 3, 4, 5]; |
| |
| const glyphBounds = font.getGlyphBounds(glyphMalloc, paint); // $ExpectType Float32Array |
| font.getGlyphBounds(someGlyphs, null, glyphBounds); |
| |
| const ids = font.getGlyphIDs('abcd'); |
| font.getGlyphIDs('efgh', 4, ids); |
| |
| const widths = font.getGlyphWidths(glyphMalloc, paint); |
| font.getGlyphWidths(someGlyphs, null, widths); |
| |
| font.getScaleX(); |
| font.getSize(); |
| font.getSkewX(); |
| font.getTypeface(); |
| font.setEdging(CK.FontEdging.Alias); |
| font.setEmbeddedBitmaps(true); |
| font.setHinting(CK.FontHinting.Slight); |
| font.setLinearMetrics(true); |
| font.setScaleX(5); |
| font.setSize(15); |
| font.setSkewX(2); |
| font.setSubpixel(true); |
| font.setTypeface(null); |
| font.setTypeface(face); |
| } |
| |
| function fontMgrTests(CK: CanvasKit) { |
| const fm = CK.FontMgr.RefDefault(); // $ExpectType FontMgr |
| |
| const buff1 = new ArrayBuffer(10); |
| const buff2 = new ArrayBuffer(20); |
| |
| const fm2 = CK.FontMgr.FromData(buff1, buff2); |
| fm.countFamilies(); |
| fm.getFamilyName(0); |
| |
| const tf = fm.makeTypefaceFromData(buff1); // $ExpectType Typeface |
| } |
| |
| function globalTests(CK: CanvasKit, path?: Path) { |
| if (!path) { |
| return; |
| } |
| const ctx = CK.currentContext(); |
| CK.setCurrentContext(ctx); |
| CK.deleteContext(ctx); |
| const n = CK.getDecodeCacheLimitBytes(); |
| const u = CK.getDecodeCacheUsedBytes(); |
| CK.setDecodeCacheLimitBytes(1000); |
| const matr = CK.Matrix.rotated(Math.PI / 6); |
| const p = CK.getShadowLocalBounds(matr, path, [0, 0, 1], [500, 500, 20], 20, |
| CK.ShadowDirectionalLight | CK.ShadowGeometricOnly | CK.ShadowDirectionalLight); |
| const mallocedVector3 = CK.Malloc(Float32Array, 3); |
| const q = CK.getShadowLocalBounds(matr, path, mallocedVector3, mallocedVector3, 20, |
| CK.ShadowDirectionalLight | CK.ShadowGeometricOnly | CK.ShadowDirectionalLight); |
| } |
| |
| function paintTests(CK: CanvasKit, colorFilter?: ColorFilter, imageFilter?: ImageFilter, |
| maskFilter?: MaskFilter, pathEffect?: PathEffect, shader?: Shader) { |
| if (!colorFilter || !colorFilter || !imageFilter || !maskFilter || !pathEffect || !shader) { |
| return; |
| } |
| const paint = new CK.Paint(); // $ExpectType Paint |
| const newPaint = paint.copy(); // $ExpectType Paint |
| const bm = paint.getBlendMode(); |
| const color = paint.getColor(); // $ExpectType Float32Array |
| const sc = paint.getStrokeCap(); |
| const sj = paint.getStrokeJoin(); |
| const limit = paint.getStrokeMiter(); // $ExpectType number |
| const width = paint.getStrokeWidth(); // $ExpectType number |
| paint.setAlphaf(0.8); |
| paint.setAntiAlias(true); |
| paint.setBlendMode(bm); |
| paint.setColor(CK.RED); |
| paint.setColor([0, 0, 1.2, 0.5], CK.ColorSpace.DISPLAY_P3); |
| paint.setColorComponents(0, 0, 0.9, 1.0); |
| paint.setColorComponents(0, 0, 1.2, 0.5, CK.ColorSpace.DISPLAY_P3); |
| paint.setColorFilter(colorFilter); |
| paint.setColorInt(CK.ColorAsInt(20, 30, 40)); |
| paint.setColorInt(CK.ColorAsInt(20, 30, 40), CK.ColorSpace.SRGB); |
| paint.setImageFilter(imageFilter); |
| paint.setMaskFilter(maskFilter); |
| paint.setPathEffect(pathEffect); |
| paint.setShader(shader); |
| paint.setStrokeCap(CK.StrokeCap.Round); |
| paint.setStrokeJoin(CK.StrokeJoin.Miter); |
| paint.setStrokeMiter(10); |
| paint.setStrokeWidth(20); |
| paint.setStyle(CK.PaintStyle.Fill); |
| paint.delete(); |
| } |
| |
| function pathTests(CK: CanvasKit) { |
| const path = new CK.Path(); // $ExpectType Path |
| const p2 = CK.Path.MakeFromCmds([ // $ExpectType Path | null |
| [CK.MOVE_VERB, 0, 10], |
| [CK.LINE_VERB, 30, 40], |
| [CK.QUAD_VERB, 20, 50, 45, 60], |
| ]); |
| const verbs = CK.Malloc(Uint8Array, 10); |
| const points = CK.Malloc(Float32Array, 10); |
| const p3 = CK.Path.MakeFromVerbsPointsWeights(verbs, [1, 2, 3, 4]); // $ExpectType Path |
| const p4 = CK.Path.MakeFromVerbsPointsWeights([CK.CONIC_VERB], points, [2.3]); |
| const p5 = CK.Path.MakeFromOp(p4, p2!, CK.PathOp.ReverseDifference); // $ExpectType Path | null |
| const p6 = CK.Path.MakeFromSVGString('M 205,5 L 795,5 z'); // $ExpectType Path | null |
| |
| const someRect = CK.LTRBRect(10, 20, 30, 40); |
| // Making sure arrays are accepted as rrects. |
| const someRRect = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]; |
| |
| path.addArc(someRect, 0, 270); |
| path.addOval(someRect); |
| path.addOval(someRect, true, 3); |
| path.addPath(p2); |
| path.addPoly([20, 20, 40, 40, 20, 40], true); |
| path.addRect(someRect); |
| path.addRect(someRect, true); |
| path.addRRect(someRRect); |
| path.addRRect(someRRect, true); |
| path.addVerbsPointsWeights(verbs, [1, 2, 3, 4]); |
| path.addVerbsPointsWeights([CK.CONIC_VERB], points, [2.3]); |
| path.arc(0, 0, 10, 0, Math.PI / 2); |
| path.arc(0, 0, 10, 0, Math.PI / 2, true); |
| path.arcToOval(someRect, 15, 60, true); |
| path.arcToRotated(2, 4, 90, false, true, 0, 20); |
| path.arcToTangent(20, 20, 40, 50, 2); |
| path.close(); |
| let bounds = path.computeTightBounds(); // $ExpectType Float32Array |
| path.computeTightBounds(bounds); |
| path.conicTo(1, 2, 3, 4, 5); |
| let ok = path.contains(10, 20); // $ExpectType boolean |
| const pCopy = path.copy(); // $ExpectType Path |
| const count = path.countPoints(); // $ExpectType number |
| path.cubicTo(10, 10, 10, 10, 10, 10); |
| ok = path.dash(8, 4, 1); |
| ok = path.equals(pCopy); |
| bounds = path.getBounds(); // $ExpectType Float32Array |
| path.getBounds(bounds); |
| const ft = path.getFillType(); |
| const pt = path.getPoint(7); // $ExpectType Float32Array |
| path.getPoint(8, pt); |
| ok = path.isEmpty(); |
| ok = path.isVolatile(); |
| path.lineTo(10, -20); |
| path.moveTo(-20, -30); |
| path.offset(100, 100); |
| ok = path.op(p2!, CK.PathOp.Difference); |
| path.quadTo(10, 20, 30, 40); |
| path.rArcTo(10, 10, 90, false, true, 2, 4); |
| path.rConicTo(-1, 2, 4, 9, 3); |
| path.rCubicTo(20, 30, 40, 50, 2, 1); |
| path.reset(); |
| path.rewind(); |
| path.rLineTo(20, 30); |
| path.rMoveTo(40, 80); |
| path.rQuadTo(1, 2, 3, 4); |
| path.setFillType(CK.FillType.EvenOdd); |
| path.setIsVolatile(true); |
| ok = path.simplify(); |
| path.stroke(); |
| path.stroke({}); |
| path.stroke({ |
| width: 20, |
| miter_limit: 9, |
| precision: 0.5, |
| cap: CK.StrokeCap.Butt, |
| join: CK.StrokeJoin.Miter, |
| }); |
| const cmds = path.toCmds(); // $ExpectType PathCommand[] |
| const str = path.toSVGString(); // $ExpectType string |
| path.transform(CK.Matrix.identity()); |
| path.transform(1, 0, 0, 0, 1, 0, 0, 0, 1); |
| path.trim(0.1, 0.7, false); |
| } |
| |
| function paragraphTests(CK: CanvasKit, p?: Paragraph) { |
| if (!p) return; |
| const a = p.didExceedMaxLines(); // $ExpectType boolean |
| const b = p.getAlphabeticBaseline(); // $ExpectType number |
| const c = p.getGlyphPositionAtCoordinate(10, 3); // $ExpectType PositionWithAffinity |
| const d = p.getHeight(); // $ExpectType number |
| const e = p.getIdeographicBaseline(); // $ExpectType number |
| const f = p.getLongestLine(); // $ExpectType number |
| const g = p.getMaxIntrinsicWidth(); // $ExpectType number |
| const h = p.getMaxWidth(); // $ExpectType number |
| const i = p.getMinIntrinsicWidth(); // $ExpectType number |
| const j = p.getRectsForPlaceholders(); // $ExpectType Float32Array |
| const k = p.getRectsForRange(2, 10, CK.RectHeightStyle.Max, // $ExpectType Float32Array |
| CK.RectWidthStyle.Tight); |
| const l = p.getWordBoundary(10); // $ExpectType URange |
| p.layout(300); |
| const m = p.getLineMetrics(); // $ExpectType LineMetrics[] |
| } |
| |
| function paragraphBuilderTests(CK: CanvasKit, fontMgr?: FontMgr, paint?: Paint) { |
| if (!fontMgr || !paint) return; |
| const paraStyle = new CK.ParagraphStyle({ // $ExpectType ParagraphStyle |
| textStyle: { |
| color: CK.BLACK, |
| fontFamilies: ['Noto Serif'], |
| fontSize: 20, |
| }, |
| textAlign: CK.TextAlign.Center, |
| maxLines: 8, |
| ellipsis: '.._.', |
| strutStyle: { |
| strutEnabled: true, |
| fontFamilies: ['Roboto'], |
| fontSize: 28, |
| heightMultiplier: 1.5, |
| forceStrutHeight: true, |
| }, |
| }); |
| const blueText = new CK.TextStyle({ // $ExpectType TextStyle |
| backgroundColor: CK.Color(234, 208, 232), // light pink |
| color: CK.Color(48, 37, 199), |
| fontFamilies: ['Noto Serif'], |
| decoration: CK.LineThroughDecoration, |
| decorationThickness: 1.5, // multiplier based on font size |
| fontSize: 24, |
| fontFeatures: [{name: 'smcp', value: 1}], |
| shadows: [{color: CK.BLACK, blurRadius: 15}, |
| {color: CK.RED, blurRadius: 5, offset: [10, 10]}], |
| }); |
| |
| const builder = CK.ParagraphBuilder.Make(paraStyle, fontMgr); // $ExpectType ParagraphBuilder |
| |
| builder.pushStyle(blueText); |
| builder.addText('VAVAVAVAVAVAVA\nVAVA\n'); |
| builder.pop(); |
| const paragraph = builder.build(); // $ExpectType Paragraph |
| |
| const buf = new ArrayBuffer(10); |
| const fontSrc = CK.TypefaceFontProvider.Make(); // $ExpectType TypefaceFontProvider |
| fontSrc.registerFont(buf, 'sans-serif'); |
| const builder2 = CK.ParagraphBuilder.MakeFromFontProvider(// $ExpectType ParagraphBuilder |
| paraStyle, fontSrc); |
| builder2.pushPaintStyle(blueText, paint, paint); |
| builder2.addPlaceholder(); |
| builder2.addPlaceholder(10, 20, CK.PlaceholderAlignment.Top, CK.TextBaseline.Ideographic, 3); |
| } |
| |
| function particlesTests(CK: CanvasKit, canvas?: Canvas) { |
| if (!canvas) return; |
| |
| const par = CK.MakeParticles('some json'); // $ExpectType Particles |
| par.draw(canvas); |
| par.uniforms()[0] = 1.2; |
| const a = par.getUniform(1); // $ExpectType SkSLUniform |
| const b = par.getUniformCount(); // $ExpectType number |
| const c = par.getUniformFloatCount(); // $ExpectType number |
| const d = par.getUniformName(3); // $ExpectType string |
| par.uniforms()[2] = 4.5; |
| par.setPosition([3, 5]); |
| par.setRate(3); |
| par.start(0, true); |
| par.update(2); |
| |
| const buff = new ArrayBuffer(10); |
| const par2 = CK.MakeParticles('other json', { // $ExpectType Particles |
| 'flightAnim.gif': buff, |
| }); |
| } |
| |
| function pathEffectTests(CK: CanvasKit) { |
| const pe1 = CK.PathEffect.MakeCorner(2); // $ExpectType PathEffect | null |
| const pe2 = CK.PathEffect.MakeDash([2, 4]); // $ExpectType PathEffect |
| const pe3 = CK.PathEffect.MakeDash([2, 4, 6, 8], 10); // $ExpectType PathEffect |
| const pe4 = CK.PathEffect.MakeDiscrete(10, 2, 0); // $ExpectType PathEffect |
| } |
| |
| function mallocTests(CK: CanvasKit) { |
| const mFoo = CK.Malloc(Float32Array, 5); |
| const mArray = mFoo.toTypedArray(); // $ExpectType TypedArray |
| mArray[3] = 1.7; |
| const mSubArray = mFoo.subarray(0, 2); // $ExpectType TypedArray |
| mSubArray[0] = 2; |
| CK.Free(mFoo); |
| } |
| |
| function maskFilterTests(CK: CanvasKit) { |
| const mf = CK.MaskFilter.MakeBlur(CK.BlurStyle.Solid, 8, false); // $ExpectType MaskFilter |
| } |
| |
| function matrixTests(CK: CanvasKit) { |
| const m33 = CK.Matrix; // less typing |
| const matrA = m33.identity(); // $ExpectType number[] |
| const matrB = m33.rotated(0.1); // $ExpectType number[] |
| const matrC = m33.rotated(0.1, 15, 20); // $ExpectType number[] |
| const matrD = m33.multiply(matrA, matrB); // $ExpectType number[] |
| const matrE = m33.multiply(matrA, matrB, matrC, matrB, matrA); // $ExpectType number[] |
| const matrF = m33.scaled(1, 2); // $ExpectType number[] |
| const matrG = m33.scaled(1, 2, 3, 4); // $ExpectType number[] |
| const matrH = m33.skewed(1, 2); // $ExpectType number[] |
| const matrI = m33.skewed(1, 2, 3, 4); // $ExpectType number[] |
| const matrJ = m33.translated(1, 2); // $ExpectType number[] |
| const matrK = m33.invert(matrJ); |
| |
| const m44 = CK.M44; |
| const matr1 = m44.identity(); // $ExpectType number[] |
| const matr2 = m44.invert(matr1); |
| const matr3 = m44.lookat([1, 2, 3], [4, 5, 6], [7, 8, 9]); // $ExpectType number[] |
| const matr4 = m44.multiply(matr1, matr3); // $ExpectType number[] |
| const matr5 = m44.mustInvert(matr1); // $ExpectType number[] |
| const matr6 = m44.perspective(1, 8, 0.4); // $ExpectType number[] |
| const matr7 = m44.rc(matr6, 0, 3); // $ExpectType number |
| const matr8 = m44.rotated([2, 3, 4], -0.4); // $ExpectType number[] |
| const matr9 = m44.rotatedUnitSinCos([4, 3, 2], 0.9, 0.1); // $ExpectType number[] |
| const matr10 = m44.scaled([5, 5, 5]); // $ExpectType number[] |
| const matr11 = m44.setupCamera(CK.LTRBRect(1, 2, 3, 4), 0.4, { |
| eye: [0, 0, 1], |
| coa: [0, 0, 0], |
| up: [0, 1, 0], |
| near: 0.2, |
| far: 4, |
| angle: Math.PI / 12, |
| }); |
| const matr12 = m44.translated([3, 2, 1]); // $ExpectType number[] |
| const matr13 = m44.transpose([4, 5, 8]); // $ExpectType number[] |
| } |
| |
| function pictureTests(CK: CanvasKit) { |
| const recorder = new CK.PictureRecorder(); // $ExpectType PictureRecorder |
| const canvas = recorder.beginRecording(CK.LTRBRect(0, 0, 100, 100)); // $ExpectType Canvas |
| const pic = recorder.finishRecordingAsPicture(); // $ExpectType SkPicture |
| const bytes = pic.serialize(); // $ExpectType Uint8Array | null |
| const pic2 = CK.MakePicture(bytes!); |
| } |
| |
| function rectangleTests(CK: CanvasKit) { |
| const rectOne = CK.LTRBRect(5, 10, 20, 30); // $ExpectType Float32Array |
| const rectTwo = CK.XYWHRect(5, 10, 15, 20); // $ExpectType Float32Array |
| const iRectOne = CK.LTRBiRect(105, 110, 120, 130); // $ExpectType Int32Array |
| const iRectTwo = CK.XYWHiRect(105, 110, 15, 20); // $ExpectType Int32Array |
| const rrectOne = CK.RRectXY(rectOne, 3, 7); // $ExpectType Float32Array |
| } |
| |
| function runtimeEffectTests(CK: CanvasKit) { |
| const rt = CK.RuntimeEffect.Make('not real sksl code'); // $ExpectType RuntimeEffect | null |
| if (!rt) return; |
| const rt2 = CK.RuntimeEffect.Make('not real sksl code', (err) => { |
| console.log(err); |
| }); |
| const someMatr = CK.Matrix.translated(2, 60); |
| const s1 = rt.makeShader([0, 1]); // $ExpectType Shader |
| const s2 = rt.makeShader([0, 1], true, someMatr); // $ExpectType Shader |
| const s3 = rt.makeShaderWithChildren([4, 5], true, [s1, s2]); // $ExpectType Shader |
| const s4 = rt.makeShaderWithChildren([4, 5], true, [s1, s2], someMatr); // $ExpectType Shader |
| const a = rt.getUniform(1); // $ExpectType SkSLUniform |
| const b = rt.getUniformCount(); // $ExpectType number |
| const c = rt.getUniformFloatCount(); // $ExpectType number |
| const d = rt.getUniformName(3); // $ExpectType string |
| } |
| |
| function skottieTests(CK: CanvasKit, canvas?: Canvas) { |
| if (!canvas) return; |
| |
| const anim = CK.MakeAnimation('some json'); // $ExpectType SkottieAnimation |
| const a = anim.duration(); // $ExpectType number |
| const b = anim.fps(); // $ExpectType number |
| const c = anim.version(); // $ExpectType string |
| const d = anim.size(); // $ExpectType Float32Array |
| anim.size(d); |
| const rect = anim.seek(0.5); |
| anim.seek(0.6, rect); |
| const rect2 = anim.seekFrame(12.3); |
| anim.seekFrame(12.3, rect2); |
| anim.render(canvas); |
| anim.render(canvas, rect); |
| |
| const buff = new ArrayBuffer(10); |
| const mAnim = CK.MakeManagedAnimation('other json', { // $ExpectType ManagedSkottieAnimation |
| 'flightAnim.gif': buff, |
| }); |
| mAnim.setColor('slider', CK.WHITE); |
| mAnim.setOpacity('slider', 0.8); |
| const e = mAnim.getMarkers(); // $ExpectType object[] |
| const f = mAnim.getColorProps(); // $ExpectType object[] |
| const g = mAnim.getOpacityProps(); // $ExpectType object[] |
| } |
| |
| function shaderTests(CK: CanvasKit) { |
| const s1 = CK.Shader.MakeColor([0.8, 0.2, 0.5, 0.9], // $ExpectType Shader |
| CK.ColorSpace.SRGB); |
| const s2 = CK.Shader.MakeBlend(CK.BlendMode.Src, s1, s1); // $ExpectType Shader |
| const s3 = CK.Shader.MakeLerp(0.3, s1, s2); // $ExpectType Shader |
| const s4 = CK.Shader.MakeLinearGradient(// $ExpectType Shader |
| [0, 0], [50, 100], |
| Float32Array.of( |
| 0, 1, 0, 0.8, |
| 1, 0, 0, 1, |
| 0, 0, 1, 0.5, |
| ), |
| [0, 0.65, 1.0], |
| CK.TileMode.Mirror |
| ); |
| const s5 = CK.Shader.MakeLinearGradient(// $ExpectType Shader |
| [0, 0], [50, 100], |
| Float32Array.of( |
| 0, 1, 0, 0.8, |
| 1, 0, 0, 1, |
| 0, 0, 1, 0.5, |
| ), |
| null, |
| CK.TileMode.Clamp, |
| CK.Matrix.rotated(Math.PI / 4, 0, 100), |
| 1, |
| CK.ColorSpace.SRGB, |
| ); |
| const s6 = CK.Shader.MakeRadialGradient(// $ExpectType Shader |
| [0, 0], 50, |
| Float32Array.of( |
| 0, 1, 0, 0.8, |
| 1, 0, 0, 1, |
| 0, 0, 1, 0.5, |
| ), |
| [0, 0.65, 1.0], |
| CK.TileMode.Decal, |
| ); |
| const s7 = CK.Shader.MakeRadialGradient(// $ExpectType Shader |
| [0, 0], 50, |
| Float32Array.of( |
| 0, 1, 0, 0.8, |
| 1, 0, 0, 1, |
| 0, 0, 1, 0.5, |
| ), |
| null, |
| CK.TileMode.Clamp, |
| CK.Matrix.skewed(3, -3), |
| 1, |
| CK.ColorSpace.SRGB, |
| ); |
| const s8 = CK.Shader.MakeTwoPointConicalGradient(// $ExpectType Shader |
| [0, 0], 20, |
| [50, 100], 60, |
| Float32Array.of( |
| 0, 1, 0, 0.8, |
| 1, 0, 0, 1, |
| 0, 0, 1, 0.5, |
| ), |
| [0, 0.65, 1.0], |
| CK.TileMode.Mirror |
| ); |
| const s9 = CK.Shader.MakeTwoPointConicalGradient(// $ExpectType Shader |
| [0, 0], 20, |
| [50, 100], 60, |
| Float32Array.of( |
| 0, 1, 0, 0.8, |
| 1, 0, 0, 1, |
| 0, 0, 1, 0.5, |
| ), |
| [0, 0.65, 1.0], |
| CK.TileMode.Mirror, |
| CK.Matrix.rotated(Math.PI / 4, 0, 100), |
| 1, |
| CK.ColorSpace.SRGB, |
| ); |
| const s10 = CK.Shader.MakeSweepGradient(// $ExpectType Shader |
| 0, 20, |
| Float32Array.of( |
| 0, 1, 0, 0.8, |
| 1, 0, 0, 1, |
| 0, 0, 1, 0.5, |
| ), |
| [0, 0.65, 1.0], |
| CK.TileMode.Mirror |
| ); |
| const s11 = CK.Shader.MakeSweepGradient(// $ExpectType Shader |
| 0, 20, |
| Float32Array.of( |
| 0, 1, 0, 0.8, |
| 1, 0, 0, 1, |
| 0, 0, 1, 0.5, |
| ), |
| null, |
| CK.TileMode.Mirror, |
| CK.Matrix.rotated(Math.PI / 4, 0, 100), |
| 1, |
| 15, 275, // start, end angle in degrees. |
| CK.ColorSpace.SRGB, |
| ); |
| const s12 = CK.Shader.MakeFractalNoise(0.1, 0.05, 2, 0, 80, 80); // $ExpectType Shader |
| const s13 = CK.Shader.MakeTurbulence(0.1, 0.05, 2, 0, 80, 80); // $ExpectType Shader |
| } |
| |
| function surfaceTests(CK: CanvasKit) { |
| const canvasEl = document.querySelector('canvas') as HTMLCanvasElement; |
| const surfaceOne = CK.MakeCanvasSurface(canvasEl)!; // $ExpectType Surface |
| const surfaceTwo = CK.MakeCanvasSurface('my_canvas')!; |
| const surfaceThree = CK.MakeSWCanvasSurface(canvasEl)!; // $ExpectType Surface |
| const surfaceFour = CK.MakeSWCanvasSurface('my_canvas')!; |
| const surfaceFive = CK.MakeWebGLCanvasSurface(canvasEl, // $ExpectType Surface |
| CK.ColorSpace.SRGB, { |
| majorVersion: 2, |
| preferLowPowerToHighPerformance: 1, |
| })!; |
| const surfaceSix = CK.MakeWebGLCanvasSurface('my_canvas', CK.ColorSpace.DISPLAY_P3, { |
| enableExtensionsByDefault: 2, |
| })!; |
| const surfaceSeven = CK.MakeSurface(200, 200)!; // $ExpectType Surface |
| const m = CK.Malloc(Uint8Array, 5 * 5 * 4); |
| const surfaceEight = CK.MakeRasterDirectSurface({ |
| width: 5, |
| height: 5, |
| colorType: CK.ColorType.RGBA_8888, |
| alphaType: CK.AlphaType.Premul, |
| colorSpace: CK.ColorSpace.SRGB, |
| }, m, 20); |
| |
| surfaceOne.flush(); |
| const canvas = surfaceTwo.getCanvas(); // $ExpectType Canvas |
| const ii = surfaceThree.imageInfo(); // $ExpectType ImageInfo |
| const h = surfaceFour.height(); // $ExpectType number |
| const w = surfaceFive.width(); // $ExpectType number |
| const subsurface = surfaceOne.makeSurface(ii); // $ExpectType Surface |
| const isGPU = subsurface.reportBackendTypeIsGPU(); // $ExpectType boolean |
| const count = surfaceThree.sampleCnt(); // $ExpectType number |
| const img = surfaceFour.makeImageSnapshot([0, 3, 2, 5]); // $ExpectType Image |
| const img2 = surfaceSix.makeImageSnapshot(); // $ExpectType Image |
| |
| surfaceSeven.delete(); |
| |
| const ctx = CK.GetWebGLContext(canvasEl); // $ExpectType number |
| const grCtx = CK.MakeGrContext(ctx); |
| const surfaceNine = CK.MakeOnScreenGLSurface(grCtx, 100, 400, // $ExpectType Surface |
| CK.ColorSpace.ADOBE_RGB)!; |
| |
| const rt = CK.MakeRenderTarget(grCtx, 100, 200); // $ExpectType Surface | null |
| const rt2 = CK.MakeRenderTarget(grCtx, { // $ExpectType Surface | null |
| width: 79, |
| height: 205, |
| colorType: CK.ColorType.RGBA_8888, |
| alphaType: CK.AlphaType.Premul, |
| colorSpace: CK.ColorSpace.SRGB, |
| }); |
| } |
| |
| function textBlobTests(CK: CanvasKit, font?: Font, path?: Path) { |
| if (!font || !path) return; |
| const tb = CK.TextBlob; // less typing |
| const ids = font.getGlyphIDs('abc'); |
| const mXforms = CK.Malloc(Float32Array, ids.length * 4); |
| |
| const blob = tb.MakeFromGlyphs([5, 6, 7, 8], font); // $ExpectType TextBlob |
| const blob1 = tb.MakeFromGlyphs(ids, font); // $ExpectType TextBlob |
| const blob2 = tb.MakeFromRSXform('cdf', mXforms, font); // $ExpectType TextBlob |
| const blob3 = tb.MakeFromRSXform('c', [-1, 0, 2, 3], font); // $ExpectType TextBlob |
| const blob4 = tb.MakeFromRSXformGlyphs([3, 6], mXforms, font); // $ExpectType TextBlob |
| const blob5 = tb.MakeFromRSXformGlyphs(ids, [-1, 0, 2, 3], font); // $ExpectType TextBlob |
| const blob6 = tb.MakeFromText('xyz', font); // $ExpectType TextBlob |
| const blob7 = tb.MakeOnPath('tuv', path, font); // $ExpectType TextBlob |
| const blob8 = tb.MakeOnPath('tuv', path, font, 10); // $ExpectType TextBlob |
| } |
| |
| function vectorTests(CK: CanvasKit) { |
| const a = [1, 2, 3]; |
| const b = [4, 5, 6]; |
| |
| const vec = CK.Vector; // less typing |
| const v1 = vec.add(a, b); // $ExpectType VectorN |
| const v2 = vec.cross(a, b); // $ExpectType Vector3 |
| const n1 = vec.dist(a, b); // $ExpectType number |
| const n2 = vec.dot(a, b); // $ExpectType number |
| const n3 = vec.length(a); // $ExpectType number |
| const n4 = vec.lengthSquared(a); // $ExpectType number |
| const v3 = vec.mulScalar(a, 10); // $ExpectType VectorN |
| const v4 = vec.normalize(a); // $ExpectType VectorN |
| const v5 = vec.sub(a, b); // $ExpectType VectorN |
| } |
| |
| function verticesTests(CK: CanvasKit) { |
| const points = [ |
| 70, 170, 40, 90, 130, 150, 100, 50, |
| 225, 150, 225, 60, 310, 180, 330, 100, |
| ]; |
| const textureCoordinates = [ |
| 0, 240, 0, 0, 80, 240, 80, 0, |
| 160, 240, 160, 0, 240, 240, 240, 0, |
| ]; |
| const vertices = CK.MakeVertices(CK.VertexMode.TrianglesStrip, // $ExpectType Vertices |
| points, textureCoordinates); |
| |
| const points2 = new Float32Array(points); |
| // 1d float color array |
| const colors = Float32Array.of( |
| 1, 0, 0, 1, // red |
| 0, 1, 0, 1, // green |
| 0, 0, 1, 1, // blue |
| 1, 0, 1, 1); // purple |
| const vertices2 = CK.MakeVertices(CK.VertexMode.TriangleFan, |
| points2, null, colors, null, true); |
| |
| const rect = vertices.bounds(); // $ExpectType Float32Array |
| vertices.bounds(rect); |
| const id = vertices.uniqueID(); // $ExpectType number |
| } |
