6b921b7e4a
Also adds tests for static png,jpg,gif Was unable to simply expose drawDrawable because the JS side of things does not understand inheritance (specifically, it doesn't know what is a descendant from SkDrawable). Change-Id: I6a833c93f22ef90ae12e901168ff428e20504209 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/242562 Reviewed-by: Kevin Lubick <kjlubick@google.com>
718 lines
19 KiB
JavaScript
718 lines
19 KiB
JavaScript
/*
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* This externs file prevents the Closure JS compiler from minifying away
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* names of objects created by Emscripten.
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* Basically, by defining empty objects and functions here, Closure will
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* know not to rename them. This is needed because of our pre-js files,
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* that is, the JS we hand-write to bundle into the output. That JS will be
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* hit by the closure compiler and thus needs to know about what functions
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* have special names and should not be minified.
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*
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* Emscripten does not support automatically generating an externs file, so we
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* do it by hand. The general process is to write some JS code, and then put any
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* calls to CanvasKit or related things in here. Running ./compile.sh and then
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* looking at the minified results or running the Release trybot should
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* verify nothing was missed. Optionally, looking directly at the minified
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* pathkit.js can be useful when developing locally.
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*
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* Docs:
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* https://github.com/cljsjs/packages/wiki/Creating-Externs
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* https://github.com/google/closure-compiler/wiki/Types-in-the-Closure-Type-System
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*
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* Example externs:
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* https://github.com/google/closure-compiler/tree/master/externs
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*/
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var CanvasKit = {
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// public API (i.e. things we declare in the pre-js file)
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Color: function() {},
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/** @return {CanvasKit.SkRect} */
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LTRBRect: function() {},
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/** @return {CanvasKit.SkRect} */
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XYWHRect: function() {},
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/** @return {CanvasKit.SkRRect} */
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RRectXY: function() {},
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/** @return {ImageData} */
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ImageData: function() {},
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GetWebGLContext: function() {},
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MakeBlurMaskFilter: function() {},
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MakeCanvas: function() {},
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MakeCanvasSurface: function() {},
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MakeGrContext: function() {},
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/** @return {CanvasKit.SkAnimatedImage} */
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MakeAnimatedImageFromEncoded: function() {},
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/** @return {CanvasKit.SkImage} */
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MakeImageFromEncoded: function() {},
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/** @return {LinearCanvasGradient} */
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MakeLinearGradientShader: function() {},
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MakeOnScreenGLSurface: function() {},
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MakePathFromCmds: function() {},
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MakePathFromOp: function() {},
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MakePathFromSVGString: function() {},
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MakeRadialGradientShader: function() {},
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MakeRenderTarget: function() {},
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MakeSWCanvasSurface: function() {},
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MakeManagedAnimation: function() {},
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MakeSkDashPathEffect: function() {},
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MakeSkVertices: function() {},
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MakeSurface: function() {},
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/** @return {RadialCanvasGradient} */
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MakeTwoPointConicalGradientShader: function() {},
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MakeWebGLCanvasSurface: function() {},
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/** @return {TonalColors} */
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computeTonalColors: function() {},
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currentContext: function() {},
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getColorComponents: function() {},
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getSkDataBytes: function() {},
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multiplyByAlpha: function() {},
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setCurrentContext: function() {},
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// private API (i.e. things declared in the bindings that we use
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// in the pre-js file)
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_MakeImage: function() {},
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_MakeLinearGradientShader: function() {},
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_MakePathFromCmds: function() {},
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_MakeRadialGradientShader: function() {},
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_MakeManagedAnimation: function() {},
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_MakeSkDashPathEffect: function() {},
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_MakeSkVertices: function() {},
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_MakeTwoPointConicalGradientShader: function() {},
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_decodeAnimatedImage: function() {},
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_decodeImage: function() {},
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_drawShapedText: function() {},
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_getRasterDirectSurface: function() {},
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_getRasterN32PremulSurface: function() {},
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// The testing object is meant to expose internal functions
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// for more fine-grained testing, e.g. parseColor
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_testing: {},
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// Objects and properties on CanvasKit
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GrContext: {
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// public API (from C++ bindings)
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getResourceCacheLimitBytes: function() {},
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getResourceCacheUsageBytes: function() {},
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setResourceCacheLimitBytes: function() {},
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},
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RSXFormBuilder: function() {},
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SkColorBuilder: function() {},
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SkRectBuilder: function() {},
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ShapedText: {
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// public API (from C++ bindings)
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getBounds: function() {},
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},
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SkAnimatedImage: {
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// public API (from C++ bindings)
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getRepetitionCount: function() {},
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decodeNextFrame: function() {},
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},
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SkCanvas: {
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// public API (from C++ bindings)
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clear: function() {},
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clipPath: function() {},
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clipRect: function() {},
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concat: function() {},
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drawArc: function() {},
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drawCircle: function() {},
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drawDRRect: function() {},
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drawAnimatedImage: function() {},
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drawImage: function() {},
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drawImageRect: function() {},
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drawLine: function() {},
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drawOval: function() {},
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drawPaint: function() {},
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drawPath: function() {},
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drawPicture: function() {},
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drawRRect: function() {},
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drawRect: function() {},
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drawRoundRect: function() {},
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drawShadow: function() {},
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drawText: function() {},
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drawTextBlob: function() {},
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drawVertices: function() {},
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flush: function() {},
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getSaveCount: function() {},
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getTotalMatrix: function() {},
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makeSurface: function() {},
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restore: function() {},
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restoreToCount: function() {},
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rotate: function() {},
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save: function() {},
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saveLayer: function() {},
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scale: function() {},
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skew: function() {},
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translate: function() {},
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// private API
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_drawAtlas: function() {},
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_drawSimpleText: function() {},
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_readPixels: function() {},
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_writePixels: function() {},
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delete: function() {},
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},
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SkColorFilter: {
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// public API (from C++ bindings and JS interface)
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MakeBlend: function() {},
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MakeCompose: function() {},
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MakeLerp: function() {},
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MakeLinearToSRGBGamma: function() {},
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MakeMatrix: function() {},
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MakeSRGBToLinearGamma: function() {},
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// private API (from C++ bindings)
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_makeMatrix: function() {},
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},
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SkColorMatrix: {
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concat: function() {},
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identity: function() {},
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postTranslate: function() {},
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rotated: function() {},
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scaled: function() {},
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},
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SkFont: {
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// public API (from C++ bindings)
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getScaleX: function() {},
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getSize: function() {},
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getSkewX: function() {},
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getTypeface: function() {},
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measureText: function() {},
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setScaleX: function() {},
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setSize: function() {},
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setSkewX: function() {},
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setTypeface: function() {},
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// private API (from C++ bindings)
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_getWidths: function() {},
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},
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SkFontMgr: {
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// public API (from C++ bindings)
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RefDefault: function() {},
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countFamilies: function() {},
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// private API
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_makeTypefaceFromData: function() {},
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},
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SkImage: {
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// public API (from C++ bindings)
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height: function() {},
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width: function() {},
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// private API
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_encodeToData: function() {},
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_encodeToDataWithFormat: function() {},
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_makeShader: function() {},
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},
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SkMatrix: {
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identity: function() {},
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invert: function() {},
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mapPoints: function() {},
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multiply: function() {},
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rotated: function() {},
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scaled: function() {},
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skewed: function() {},
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translated: function() {},
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},
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SkPaint: {
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// public API (from C++ bindings)
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/** @return {CanvasKit.SkPaint} */
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copy: function() {},
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getBlendMode: function() {},
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getColor: function() {},
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getFilterQuality: function() {},
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getStrokeCap: function() {},
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getStrokeJoin: function() {},
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getStrokeMiter: function() {},
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getStrokeWidth: function() {},
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setAntiAlias: function() {},
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setBlendMode: function() {},
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setColor: function() {},
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setFilterQuality: function() {},
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setMaskFilter: function() {},
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setPathEffect: function() {},
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setShader: function() {},
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setStrokeCap: function() {},
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setStrokeJoin: function() {},
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setStrokeMiter: function() {},
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setStrokeWidth: function() {},
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setStyle: function() {},
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//private API
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delete: function() {},
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},
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SkPath: {
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// public API (from C++ bindings)
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computeTightBounds: function() {},
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contains: function() {},
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/** @return {CanvasKit.SkPath} */
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copy: function() {},
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countPoints: function() {},
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equals: function() {},
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getBounds: function() {},
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getFillType: function() {},
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getPoint: function() {},
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isEmpty: function() {},
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isVolatile: function() {},
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reset: function() {},
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rewind: function() {},
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setFillType: function() {},
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setIsVolatile: function() {},
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toSVGString: function() {},
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// private API
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_addArc: function() {},
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_addOval: function() {},
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_addPath: function() {},
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_addRect: function() {},
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_addRoundRect: function() {},
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_arc: function() {},
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_arcTo: function() {},
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_close: function() {},
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_conicTo: function() {},
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_cubicTo: function() {},
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_dash: function() {},
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_lineTo: function() {},
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_moveTo: function() {},
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_op: function() {},
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_quadTo: function() {},
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_rect: function() {},
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_simplify: function() {},
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_stroke: function() {},
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_transform: function() {},
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_trim: function() {},
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delete: function() {},
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dump: function() {},
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dumpHex: function() {},
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},
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SkPathMeasure: {
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getLength: function() {},
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getPosTan: function() {},
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isClosed: function() {},
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nextContour: function() {},
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},
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SkPicture: {
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DEBUGONLY_serialize: function() {},
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},
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SkPictureRecorder: {
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beginRecording: function() {},
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finishRecordingAsPicture: function() {},
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},
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SkRect: {
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fLeft: {},
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fTop: {},
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fRight: {},
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fBottom: {},
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},
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SkRRect: {
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rect: {},
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rx1: {},
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ry1: {},
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rx2: {},
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ry2: {},
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rx3: {},
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ry3: {},
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rx4: {},
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ry4: {},
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},
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SkSurface: {
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// public API (from C++ bindings)
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/** @return {CanvasKit.SkCanvas} */
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getCanvas: function() {},
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/** @return {CanvasKit.SkImage} */
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makeImageSnapshot: function() {},
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makeSurface: function() {},
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grContext: {},
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// private API
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_flush: function() {},
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_getRasterN32PremulSurface: function() {},
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delete: function() {},
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},
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SkTextBlob: {
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// public API (both C++ and JS bindings)
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MakeFromRSXform: function() {},
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MakeFromText: function() {},
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MakeOnPath: function() {},
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// private API (from C++ bindings)
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_MakeFromRSXform: function() {},
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_MakeFromText: function() {},
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},
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SkVertices: {
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// public API (from C++ bindings)
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bounds: function() {},
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mode: function() {},
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uniqueID: function() {},
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vertexCount: function() {},
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// private API
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/** @return {CanvasKit.SkVertices} */
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_applyBones: function() {},
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},
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_SkVerticesBuilder: {
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// public API (from C++ bindings)
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boneIndices: function() {},
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boneWeights: function() {},
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colors: function() {},
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detach: function() {},
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indices: function() {},
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positions: function() {},
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texCoords: function() {},
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},
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// Constants and Enums
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gpu: {},
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skottie: {},
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TRANSPARENT: {},
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RED: {},
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BLUE: {},
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YELLOW: {},
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CYAN: {},
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BLACK: {},
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WHITE: {},
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MOVE_VERB: {},
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LINE_VERB: {},
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QUAD_VERB: {},
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CONIC_VERB: {},
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CUBIC_VERB: {},
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CLOSE_VERB: {},
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AlphaType: {
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Opaque: {},
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Premul: {},
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Unpremul: {},
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},
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BlendMode: {
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Clear: {},
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Src: {},
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Dst: {},
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SrcOver: {},
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DstOver: {},
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SrcIn: {},
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DstIn: {},
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SrcOut: {},
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DstOut: {},
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SrcATop: {},
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DstATop: {},
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Xor: {},
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Plus: {},
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Modulate: {},
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Screen: {},
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Overlay: {},
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Darken: {},
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Lighten: {},
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ColorDodge: {},
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ColorBurn: {},
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HardLight: {},
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SoftLight: {},
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Difference: {},
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Exclusion: {},
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Multiply: {},
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Hue: {},
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Saturation: {},
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Color: {},
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Luminosity: {},
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},
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BlurStyle: {
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Normal: {},
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Solid: {},
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Outer: {},
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Inner: {},
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},
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ClipOp: {
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Difference: {},
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Intersect: {},
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},
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ColorType: {
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Alpha_8: {},
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RGB_565: {},
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ARGB_4444: {},
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RGBA_8888: {},
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RGB_888x: {},
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BGRA_8888: {},
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RGBA_1010102: {},
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RGB_101010x: {},
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Gray_8: {},
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RGBA_F16: {},
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RGBA_F32: {},
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},
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FillType: {
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Winding: {},
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EvenOdd: {},
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InverseWinding: {},
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InverseEvenOdd: {},
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},
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FilterQuality: {
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None: {},
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Low: {},
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Medium: {},
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High: {},
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},
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ImageFormat: {
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PNG: {},
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JPEG: {},
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},
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PaintStyle: {
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Fill: {},
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Stroke: {},
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StrokeAndFill: {},
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},
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PathOp: {
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Difference: {},
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Intersect: {},
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Union: {},
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XOR: {},
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ReverseDifference: {},
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},
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StrokeCap: {
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Butt: {},
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Round: {},
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Square: {},
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},
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StrokeJoin: {
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Miter: {},
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Round: {},
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Bevel: {},
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},
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TextEncoding: {
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UTF8: {},
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UTF16: {},
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UTF32: {},
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GlyphID: {},
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},
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TileMode: {
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Clamp: {},
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Repeat: {},
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Mirror: {},
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Decal: {},
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},
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VertexMode: {
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Triangles: {},
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TrianglesStrip: {},
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TriangleFan: {},
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},
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// Things Enscriptem adds for us
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/** Represents the heap of the WASM code
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* @type {ArrayBuffer}
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*/
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buffer: {},
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/**
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* @type {Float32Array}
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*/
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HEAPF32: {},
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/**
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* @type {Uint8Array}
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*/
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HEAPU8: {},
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/**
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* @type {Uint16Array}
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*/
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HEAPU16: {},
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/**
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* @type {Int32Array}
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*/
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HEAP32: {},
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/**
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* @type {Uint32Array}
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*/
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HEAPU32: {},
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_malloc: function() {},
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_free: function() {},
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onRuntimeInitialized: function() {},
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};
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// Public API things that are newly declared in the JS should go here.
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// It's not enough to declare them above, because closure can still erase them
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// unless they go on the prototype.
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CanvasKit.SkPath.prototype.addArc = function() {};
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CanvasKit.SkPath.prototype.addOval = function() {};
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CanvasKit.SkPath.prototype.addPath = function() {};
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CanvasKit.SkPath.prototype.addRect = function() {};
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CanvasKit.SkPath.prototype.addRoundRect = function() {};
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CanvasKit.SkPath.prototype.arc = function() {};
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CanvasKit.SkPath.prototype.arcTo = function() {};
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CanvasKit.SkPath.prototype.close = function() {};
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CanvasKit.SkPath.prototype.conicTo = function() {};
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CanvasKit.SkPath.prototype.cubicTo = function() {};
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CanvasKit.SkPath.prototype.dash = function() {};
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CanvasKit.SkPath.prototype.lineTo = function() {};
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CanvasKit.SkPath.prototype.moveTo = function() {};
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CanvasKit.SkPath.prototype.offset = function() {};
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CanvasKit.SkPath.prototype.op = function() {};
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CanvasKit.SkPath.prototype.quadTo = function() {};
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CanvasKit.SkPath.prototype.rect = function() {};
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CanvasKit.SkPath.prototype.simplify = function() {};
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CanvasKit.SkPath.prototype.stroke = function() {};
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CanvasKit.SkPath.prototype.transform = function() {};
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CanvasKit.SkPath.prototype.trim = function() {};
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CanvasKit.SkPicture.prototype.DEBUGONLY_saveAsFile = function() {};
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CanvasKit.SkSurface.prototype.dispose = function() {};
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CanvasKit.SkSurface.prototype.flush = function() {};
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CanvasKit.SkSurface.prototype.requestAnimationFrame = function() {};
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CanvasKit.SkSurface.prototype.captureFrameAsSkPicture = function() {};
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/** @return {CanvasKit.SkVertices} */
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CanvasKit.SkVertices.prototype.applyBones = function() {};
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CanvasKit.SkImage.prototype.encodeToData = function() {};
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CanvasKit.SkImage.prototype.makeShader = function() {};
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CanvasKit.SkCanvas.prototype.drawAtlas = function() {};
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CanvasKit.SkCanvas.prototype.drawText = function() {};
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/** @return {Uint8Array} */
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CanvasKit.SkCanvas.prototype.readPixels = function() {};
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CanvasKit.SkCanvas.prototype.writePixels = function() {};
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CanvasKit.SkFontMgr.prototype.MakeTypefaceFromData = function() {};
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CanvasKit.SkFont.prototype.getWidths = function() {};
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CanvasKit.RSXFormBuilder.prototype.build = function() {};
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CanvasKit.RSXFormBuilder.prototype.delete = function() {};
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CanvasKit.RSXFormBuilder.prototype.push = function() {};
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CanvasKit.RSXFormBuilder.prototype.set = function() {};
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CanvasKit.SkColorBuilder.prototype.build = function() {};
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CanvasKit.SkColorBuilder.prototype.delete = function() {};
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CanvasKit.SkColorBuilder.prototype.push = function() {};
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CanvasKit.SkColorBuilder.prototype.set = function() {};
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// Define StrokeOpts object
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var StrokeOpts = {};
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StrokeOpts.prototype.width;
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StrokeOpts.prototype.miter_limit;
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StrokeOpts.prototype.cap;
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StrokeOpts.prototype.join;
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StrokeOpts.prototype.precision;
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// Define everything created in the canvas2d spec here
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var HTMLCanvas = {};
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HTMLCanvas.prototype.decodeImage = function() {};
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HTMLCanvas.prototype.dispose = function() {};
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HTMLCanvas.prototype.getContext = function() {};
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HTMLCanvas.prototype.loadFont = function() {};
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HTMLCanvas.prototype.makePath2D = function() {};
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HTMLCanvas.prototype.toDataURL = function() {};
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var CanvasRenderingContext2D = {};
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CanvasRenderingContext2D.prototype.addHitRegion = function() {};
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CanvasRenderingContext2D.prototype.arc = function() {};
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CanvasRenderingContext2D.prototype.arcTo = function() {};
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CanvasRenderingContext2D.prototype.beginPath = function() {};
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CanvasRenderingContext2D.prototype.bezierCurveTo = function() {};
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CanvasRenderingContext2D.prototype.clearHitRegions = function() {};
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CanvasRenderingContext2D.prototype.clearRect = function() {};
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CanvasRenderingContext2D.prototype.clip = function() {};
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CanvasRenderingContext2D.prototype.closePath = function() {};
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CanvasRenderingContext2D.prototype.createImageData = function() {};
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CanvasRenderingContext2D.prototype.createLinearGradient = function() {};
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CanvasRenderingContext2D.prototype.createPattern = function() {};
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|
CanvasRenderingContext2D.prototype.createRadialGradient = function() {};
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CanvasRenderingContext2D.prototype.drawFocusIfNeeded = function() {};
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|
CanvasRenderingContext2D.prototype.drawImage = function() {};
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|
CanvasRenderingContext2D.prototype.ellipse = function() {};
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CanvasRenderingContext2D.prototype.fill = function() {};
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|
CanvasRenderingContext2D.prototype.fillRect = function() {};
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|
CanvasRenderingContext2D.prototype.fillText = function() {};
|
|
CanvasRenderingContext2D.prototype.getImageData = function() {};
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|
CanvasRenderingContext2D.prototype.getLineDash = function() {};
|
|
CanvasRenderingContext2D.prototype.isPointInPath = function() {};
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|
CanvasRenderingContext2D.prototype.isPointInStroke = function() {};
|
|
CanvasRenderingContext2D.prototype.lineTo = function() {};
|
|
CanvasRenderingContext2D.prototype.measureText = function() {};
|
|
CanvasRenderingContext2D.prototype.moveTo = function() {};
|
|
CanvasRenderingContext2D.prototype.putImageData = function() {};
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|
CanvasRenderingContext2D.prototype.quadraticCurveTo = function() {};
|
|
CanvasRenderingContext2D.prototype.rect = function() {};
|
|
CanvasRenderingContext2D.prototype.removeHitRegion = function() {};
|
|
CanvasRenderingContext2D.prototype.resetTransform = function() {};
|
|
CanvasRenderingContext2D.prototype.restore = function() {};
|
|
CanvasRenderingContext2D.prototype.rotate = function() {};
|
|
CanvasRenderingContext2D.prototype.save = function() {};
|
|
CanvasRenderingContext2D.prototype.scale = function() {};
|
|
CanvasRenderingContext2D.prototype.scrollPathIntoView = function() {};
|
|
CanvasRenderingContext2D.prototype.setLineDash = function() {};
|
|
CanvasRenderingContext2D.prototype.setTransform = function() {};
|
|
CanvasRenderingContext2D.prototype.stroke = function() {};
|
|
CanvasRenderingContext2D.prototype.strokeRect = function() {};
|
|
CanvasRenderingContext2D.prototype.strokeText = function() {};
|
|
CanvasRenderingContext2D.prototype.transform = function() {};
|
|
CanvasRenderingContext2D.prototype.translate = function() {};
|
|
|
|
var Path2D = {};
|
|
Path2D.prototype.addPath = function() {};
|
|
Path2D.prototype.arc = function() {};
|
|
Path2D.prototype.arcTo = function() {};
|
|
Path2D.prototype.bezierCurveTo = function() {};
|
|
Path2D.prototype.closePath = function() {};
|
|
Path2D.prototype.ellipse = function() {};
|
|
Path2D.prototype.lineTo = function() {};
|
|
Path2D.prototype.moveTo = function() {};
|
|
Path2D.prototype.quadraticCurveTo = function() {};
|
|
Path2D.prototype.rect = function() {};
|
|
|
|
var LinearCanvasGradient = {};
|
|
LinearCanvasGradient.prototype.addColorStop = function() {};
|
|
var RadialCanvasGradient = {};
|
|
RadialCanvasGradient.prototype.addColorStop = function() {};
|
|
var CanvasPattern = {};
|
|
CanvasPattern.prototype.setTransform = function() {};
|
|
|
|
var ImageData = {
|
|
/**
|
|
* @type {Uint8ClampedArray}
|
|
*/
|
|
data: {},
|
|
height: {},
|
|
width: {},
|
|
};
|
|
|
|
var DOMMatrix = {
|
|
a: {},
|
|
b: {},
|
|
c: {},
|
|
d: {},
|
|
e: {},
|
|
f: {},
|
|
};
|
|
|
|
// Not sure why this is needed - might be a bug in emsdk that this isn't properly declared.
|
|
function loadWebAssemblyModule() {};
|