| /* |
| * Copyright 2018 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/android/SkAnimatedImage.h" |
| #include "include/codec/SkAndroidCodec.h" |
| #include "include/core/SkBlendMode.h" |
| #include "include/core/SkBlurTypes.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkColorFilter.h" |
| #include "include/core/SkData.h" |
| #include "include/core/SkDrawable.h" |
| #include "include/core/SkEncodedImageFormat.h" |
| #include "include/core/SkFilterQuality.h" |
| #include "include/core/SkFont.h" |
| #include "include/core/SkFontMgr.h" |
| #include "include/core/SkFontTypes.h" |
| #include "include/core/SkImage.h" |
| #include "include/core/SkImageFilter.h" |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkMaskFilter.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkPath.h" |
| #include "include/core/SkPathEffect.h" |
| #include "include/core/SkPathMeasure.h" |
| #include "include/core/SkPicture.h" |
| #include "include/core/SkPictureRecorder.h" |
| #include "include/core/SkRRect.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkShader.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkStrokeRec.h" |
| #include "include/core/SkSurface.h" |
| #include "include/core/SkSurfaceProps.h" |
| #include "include/core/SkTextBlob.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/core/SkTypes.h" |
| #include "include/core/SkVertices.h" |
| #include "include/effects/SkCornerPathEffect.h" |
| #include "include/effects/SkDashPathEffect.h" |
| #include "include/effects/SkDiscretePathEffect.h" |
| #include "include/effects/SkGradientShader.h" |
| #include "include/effects/SkImageFilters.h" |
| #include "include/effects/SkTrimPathEffect.h" |
| #include "include/pathops/SkPathOps.h" |
| #include "include/utils/SkParsePath.h" |
| #include "include/utils/SkShadowUtils.h" |
| #include "modules/skshaper/include/SkShaper.h" |
| #include "src/core/SkFontMgrPriv.h" |
| #include "src/core/SkMakeUnique.h" |
| |
| #include <iostream> |
| #include <string> |
| |
| #include "modules/canvaskit/WasmAliases.h" |
| #include <emscripten.h> |
| #include <emscripten/bind.h> |
| |
| #if SK_SUPPORT_GPU |
| #include "include/gpu/GrBackendSurface.h" |
| #include "include/gpu/GrContext.h" |
| #include "include/gpu/gl/GrGLInterface.h" |
| #include "include/gpu/gl/GrGLTypes.h" |
| |
| #include <GL/gl.h> |
| #include <emscripten/html5.h> |
| #endif |
| |
| #ifdef SK_INCLUDE_PARAGRAPH |
| #include "modules/skparagraph/include/Paragraph.h" |
| #endif |
| // Aliases for less typing |
| using BoneIndices = SkVertices::BoneIndices; |
| using BoneWeights = SkVertices::BoneWeights; |
| using Bone = SkVertices::Bone; |
| |
| #ifndef SK_NO_FONTS |
| sk_sp<SkFontMgr> SkFontMgr_New_Custom_Data(const uint8_t** datas, const size_t* sizes, int n); |
| #endif |
| |
| struct SimpleMatrix { |
| SkScalar scaleX, skewX, transX; |
| SkScalar skewY, scaleY, transY; |
| SkScalar pers0, pers1, pers2; |
| }; |
| |
| SkMatrix toSkMatrix(const SimpleMatrix& sm) { |
| return SkMatrix::MakeAll(sm.scaleX, sm.skewX , sm.transX, |
| sm.skewY , sm.scaleY, sm.transY, |
| sm.pers0 , sm.pers1 , sm.pers2); |
| } |
| |
| SimpleMatrix toSimpleSkMatrix(const SkMatrix& sm) { |
| SimpleMatrix m {sm[0], sm[1], sm[2], |
| sm[3], sm[4], sm[5], |
| sm[6], sm[7], sm[8]}; |
| return m; |
| } |
| |
| struct SimpleImageInfo { |
| int width; |
| int height; |
| SkColorType colorType; |
| SkAlphaType alphaType; |
| // TODO color spaces? |
| }; |
| |
| SkImageInfo toSkImageInfo(const SimpleImageInfo& sii) { |
| return SkImageInfo::Make(sii.width, sii.height, sii.colorType, sii.alphaType); |
| } |
| |
| #if SK_SUPPORT_GPU |
| sk_sp<GrContext> MakeGrContext(EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context) |
| { |
| EMSCRIPTEN_RESULT r = emscripten_webgl_make_context_current(context); |
| if (r < 0) { |
| printf("failed to make webgl context current %d\n", r); |
| return nullptr; |
| } |
| // setup GrContext |
| auto interface = GrGLMakeNativeInterface(); |
| // setup contexts |
| sk_sp<GrContext> grContext(GrContext::MakeGL(interface)); |
| return grContext; |
| } |
| |
| sk_sp<SkSurface> MakeOnScreenGLSurface(sk_sp<GrContext> grContext, int width, int height) { |
| glClearColor(0, 0, 0, 0); |
| glClearStencil(0); |
| glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); |
| |
| |
| // Wrap the frame buffer object attached to the screen in a Skia render |
| // target so Skia can render to it |
| GrGLint buffer; |
| glGetIntegerv(GL_FRAMEBUFFER_BINDING, &buffer); |
| GrGLFramebufferInfo info; |
| info.fFBOID = (GrGLuint) buffer; |
| SkColorType colorType; |
| |
| info.fFormat = GL_RGBA8; |
| colorType = kRGBA_8888_SkColorType; |
| |
| GrBackendRenderTarget target(width, height, 0, 8, info); |
| |
| sk_sp<SkSurface> surface(SkSurface::MakeFromBackendRenderTarget(grContext.get(), target, |
| kBottomLeft_GrSurfaceOrigin, |
| colorType, nullptr, nullptr)); |
| return surface; |
| } |
| |
| sk_sp<SkSurface> MakeRenderTarget(sk_sp<GrContext> grContext, int width, int height) { |
| SkImageInfo info = SkImageInfo::MakeN32(width, height, SkAlphaType::kPremul_SkAlphaType); |
| |
| sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(grContext.get(), |
| SkBudgeted::kYes, |
| info, 0, |
| kBottomLeft_GrSurfaceOrigin, |
| nullptr, true)); |
| return surface; |
| } |
| |
| sk_sp<SkSurface> MakeRenderTarget(sk_sp<GrContext> grContext, SimpleImageInfo sii) { |
| sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(grContext.get(), |
| SkBudgeted::kYes, |
| toSkImageInfo(sii), 0, |
| kBottomLeft_GrSurfaceOrigin, |
| nullptr, true)); |
| return surface; |
| } |
| #endif |
| |
| |
| //======================================================================================== |
| // Path things |
| //======================================================================================== |
| |
| // All these Apply* methods are simple wrappers to avoid returning an object. |
| // The default WASM bindings produce code that will leak if a return value |
| // isn't assigned to a JS variable and has delete() called on it. |
| // These Apply methods, combined with the smarter binding code allow for chainable |
| // commands that don't leak if the return value is ignored (i.e. when used intuitively). |
| |
| void ApplyAddArc(SkPath& orig, const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle) { |
| orig.addArc(oval, startAngle, sweepAngle); |
| } |
| |
| void ApplyAddOval(SkPath& orig, const SkRect& oval, bool ccw, unsigned start) { |
| orig.addOval(oval, ccw ? SkPath::Direction::kCCW_Direction : |
| SkPath::Direction::kCW_Direction, start); |
| } |
| |
| void ApplyAddPath(SkPath& orig, const SkPath& newPath, |
| SkScalar scaleX, SkScalar skewX, SkScalar transX, |
| SkScalar skewY, SkScalar scaleY, SkScalar transY, |
| SkScalar pers0, SkScalar pers1, SkScalar pers2, |
| bool extendPath) { |
| SkMatrix m = SkMatrix::MakeAll(scaleX, skewX , transX, |
| skewY , scaleY, transY, |
| pers0 , pers1 , pers2); |
| orig.addPath(newPath, m, extendPath ? SkPath::kExtend_AddPathMode : |
| SkPath::kAppend_AddPathMode); |
| } |
| |
| void ApplyAddRect(SkPath& path, SkScalar left, SkScalar top, |
| SkScalar right, SkScalar bottom, bool ccw) { |
| path.addRect(left, top, right, bottom, |
| ccw ? SkPath::Direction::kCCW_Direction : |
| SkPath::Direction::kCW_Direction); |
| } |
| |
| void ApplyAddRoundRect(SkPath& path, SkScalar left, SkScalar top, |
| SkScalar right, SkScalar bottom, uintptr_t /* SkScalar* */ rPtr, |
| bool ccw) { |
| // See comment below for uintptr_t explanation |
| const SkScalar* radii = reinterpret_cast<const SkScalar*>(rPtr); |
| path.addRoundRect(SkRect::MakeLTRB(left, top, right, bottom), radii, |
| ccw ? SkPath::Direction::kCCW_Direction : SkPath::Direction::kCW_Direction); |
| } |
| |
| |
| void ApplyArcTo(SkPath& p, SkScalar x1, SkScalar y1, SkScalar x2, SkScalar y2, |
| SkScalar radius) { |
| p.arcTo(x1, y1, x2, y2, radius); |
| } |
| |
| void ApplyArcToAngle(SkPath& p, SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, bool forceMoveTo) { |
| p.arcTo(oval, startAngle, sweepAngle, forceMoveTo); |
| } |
| |
| void ApplyArcToArcSize(SkPath& orig, SkScalar rx, SkScalar ry, SkScalar xAxisRotate, |
| bool useSmallArc, bool ccw, SkScalar x, SkScalar y) { |
| auto arcSize = useSmallArc ? SkPath::ArcSize::kSmall_ArcSize : SkPath::ArcSize::kLarge_ArcSize; |
| auto sweep = ccw ? SkPath::Direction::kCCW_Direction : SkPath::Direction::kCW_Direction; |
| orig.arcTo(rx, ry, xAxisRotate, arcSize, sweep, x, y); |
| } |
| |
| void ApplyRArcToArcSize(SkPath& orig, SkScalar rx, SkScalar ry, SkScalar xAxisRotate, |
| bool useSmallArc, bool ccw, SkScalar dx, SkScalar dy) { |
| auto arcSize = useSmallArc ? SkPath::ArcSize::kSmall_ArcSize : SkPath::ArcSize::kLarge_ArcSize; |
| auto sweep = ccw ? SkPath::Direction::kCCW_Direction : SkPath::Direction::kCW_Direction; |
| orig.rArcTo(rx, ry, xAxisRotate, arcSize, sweep, dx, dy); |
| } |
| |
| void ApplyClose(SkPath& p) { |
| p.close(); |
| } |
| |
| void ApplyConicTo(SkPath& p, SkScalar x1, SkScalar y1, SkScalar x2, SkScalar y2, |
| SkScalar w) { |
| p.conicTo(x1, y1, x2, y2, w); |
| } |
| |
| void ApplyRConicTo(SkPath& p, SkScalar dx1, SkScalar dy1, SkScalar dx2, SkScalar dy2, |
| SkScalar w) { |
| p.rConicTo(dx1, dy1, dx2, dy2, w); |
| } |
| |
| void ApplyCubicTo(SkPath& p, SkScalar x1, SkScalar y1, SkScalar x2, SkScalar y2, |
| SkScalar x3, SkScalar y3) { |
| p.cubicTo(x1, y1, x2, y2, x3, y3); |
| } |
| |
| void ApplyRCubicTo(SkPath& p, SkScalar dx1, SkScalar dy1, SkScalar dx2, SkScalar dy2, |
| SkScalar dx3, SkScalar dy3) { |
| p.rCubicTo(dx1, dy1, dx2, dy2, dx3, dy3); |
| } |
| |
| void ApplyLineTo(SkPath& p, SkScalar x, SkScalar y) { |
| p.lineTo(x, y); |
| } |
| |
| void ApplyRLineTo(SkPath& p, SkScalar dx, SkScalar dy) { |
| p.rLineTo(dx, dy); |
| } |
| |
| void ApplyMoveTo(SkPath& p, SkScalar x, SkScalar y) { |
| p.moveTo(x, y); |
| } |
| |
| void ApplyRMoveTo(SkPath& p, SkScalar dx, SkScalar dy) { |
| p.rMoveTo(dx, dy); |
| } |
| |
| void ApplyReset(SkPath& p) { |
| p.reset(); |
| } |
| |
| void ApplyRewind(SkPath& p) { |
| p.rewind(); |
| } |
| |
| void ApplyQuadTo(SkPath& p, SkScalar x1, SkScalar y1, SkScalar x2, SkScalar y2) { |
| p.quadTo(x1, y1, x2, y2); |
| } |
| |
| void ApplyRQuadTo(SkPath& p, SkScalar dx1, SkScalar dy1, SkScalar dx2, SkScalar dy2) { |
| p.rQuadTo(dx1, dy1, dx2, dy2); |
| } |
| |
| void ApplyTransform(SkPath& orig, |
| SkScalar scaleX, SkScalar skewX, SkScalar transX, |
| SkScalar skewY, SkScalar scaleY, SkScalar transY, |
| SkScalar pers0, SkScalar pers1, SkScalar pers2) { |
| SkMatrix m = SkMatrix::MakeAll(scaleX, skewX , transX, |
| skewY , scaleY, transY, |
| pers0 , pers1 , pers2); |
| orig.transform(m); |
| } |
| |
| bool EMSCRIPTEN_KEEPALIVE ApplySimplify(SkPath& path) { |
| return Simplify(path, &path); |
| } |
| |
| bool EMSCRIPTEN_KEEPALIVE ApplyPathOp(SkPath& pathOne, const SkPath& pathTwo, SkPathOp op) { |
| return Op(pathOne, pathTwo, op, &pathOne); |
| } |
| |
| JSString EMSCRIPTEN_KEEPALIVE ToSVGString(const SkPath& path) { |
| SkString s; |
| SkParsePath::ToSVGString(path, &s); |
| return emscripten::val(s.c_str()); |
| } |
| |
| SkPathOrNull EMSCRIPTEN_KEEPALIVE MakePathFromSVGString(std::string str) { |
| SkPath path; |
| if (SkParsePath::FromSVGString(str.c_str(), &path)) { |
| return emscripten::val(path); |
| } |
| return emscripten::val::null(); |
| } |
| |
| SkPathOrNull EMSCRIPTEN_KEEPALIVE MakePathFromOp(const SkPath& pathOne, const SkPath& pathTwo, SkPathOp op) { |
| SkPath out; |
| if (Op(pathOne, pathTwo, op, &out)) { |
| return emscripten::val(out); |
| } |
| return emscripten::val::null(); |
| } |
| |
| SkPath EMSCRIPTEN_KEEPALIVE CopyPath(const SkPath& a) { |
| SkPath copy(a); |
| return copy; |
| } |
| |
| bool EMSCRIPTEN_KEEPALIVE Equals(const SkPath& a, const SkPath& b) { |
| return a == b; |
| } |
| |
| // ================================================================================= |
| // Creating/Exporting Paths with cmd arrays |
| // ================================================================================= |
| |
| static const int MOVE = 0; |
| static const int LINE = 1; |
| static const int QUAD = 2; |
| static const int CONIC = 3; |
| static const int CUBIC = 4; |
| static const int CLOSE = 5; |
| |
| template <typename VisitFunc> |
| void VisitPath(const SkPath& p, VisitFunc&& f) { |
| SkPath::RawIter iter(p); |
| SkPoint pts[4]; |
| SkPath::Verb verb; |
| while ((verb = iter.next(pts)) != SkPath::kDone_Verb) { |
| f(verb, pts, iter); |
| } |
| } |
| |
| JSArray EMSCRIPTEN_KEEPALIVE ToCmds(const SkPath& path) { |
| JSArray cmds = emscripten::val::array(); |
| |
| VisitPath(path, [&cmds](SkPath::Verb verb, const SkPoint pts[4], SkPath::RawIter iter) { |
| JSArray cmd = emscripten::val::array(); |
| switch (verb) { |
| case SkPath::kMove_Verb: |
| cmd.call<void>("push", MOVE, pts[0].x(), pts[0].y()); |
| break; |
| case SkPath::kLine_Verb: |
| cmd.call<void>("push", LINE, pts[1].x(), pts[1].y()); |
| break; |
| case SkPath::kQuad_Verb: |
| cmd.call<void>("push", QUAD, pts[1].x(), pts[1].y(), pts[2].x(), pts[2].y()); |
| break; |
| case SkPath::kConic_Verb: |
| cmd.call<void>("push", CONIC, |
| pts[1].x(), pts[1].y(), |
| pts[2].x(), pts[2].y(), iter.conicWeight()); |
| break; |
| case SkPath::kCubic_Verb: |
| cmd.call<void>("push", CUBIC, |
| pts[1].x(), pts[1].y(), |
| pts[2].x(), pts[2].y(), |
| pts[3].x(), pts[3].y()); |
| break; |
| case SkPath::kClose_Verb: |
| cmd.call<void>("push", CLOSE); |
| break; |
| case SkPath::kDone_Verb: |
| SkASSERT(false); |
| break; |
| } |
| cmds.call<void>("push", cmd); |
| }); |
| return cmds; |
| } |
| |
| // This type signature is a mess, but it's necessary. See, we can't use "bind" (EMSCRIPTEN_BINDINGS) |
| // and pointers to primitive types (Only bound types like SkPoint). We could if we used |
| // cwrap (see https://becominghuman.ai/passing-and-returning-webassembly-array-parameters-a0f572c65d97) |
| // but that requires us to stick to C code and, AFAIK, doesn't allow us to return nice things like |
| // SkPath or SkOpBuilder. |
| // |
| // So, basically, if we are using C++ and EMSCRIPTEN_BINDINGS, we can't have primitive pointers |
| // in our function type signatures. (this gives an error message like "Cannot call foo due to unbound |
| // types Pi, Pf"). But, we can just pretend they are numbers and cast them to be pointers and |
| // the compiler is happy. |
| SkPathOrNull EMSCRIPTEN_KEEPALIVE MakePathFromCmds(uintptr_t /* float* */ cptr, int numCmds) { |
| const auto* cmds = reinterpret_cast<const float*>(cptr); |
| SkPath path; |
| float x1, y1, x2, y2, x3, y3; |
| |
| // if there are not enough arguments, bail with the path we've constructed so far. |
| #define CHECK_NUM_ARGS(n) \ |
| if ((i + n) > numCmds) { \ |
| SkDebugf("Not enough args to match the verbs. Saw %d commands\n", numCmds); \ |
| return emscripten::val::null(); \ |
| } |
| |
| for(int i = 0; i < numCmds;){ |
| switch (sk_float_floor2int(cmds[i++])) { |
| case MOVE: |
| CHECK_NUM_ARGS(2); |
| x1 = cmds[i++], y1 = cmds[i++]; |
| path.moveTo(x1, y1); |
| break; |
| case LINE: |
| CHECK_NUM_ARGS(2); |
| x1 = cmds[i++], y1 = cmds[i++]; |
| path.lineTo(x1, y1); |
| break; |
| case QUAD: |
| CHECK_NUM_ARGS(4); |
| x1 = cmds[i++], y1 = cmds[i++]; |
| x2 = cmds[i++], y2 = cmds[i++]; |
| path.quadTo(x1, y1, x2, y2); |
| break; |
| case CONIC: |
| CHECK_NUM_ARGS(5); |
| x1 = cmds[i++], y1 = cmds[i++]; |
| x2 = cmds[i++], y2 = cmds[i++]; |
| x3 = cmds[i++]; // weight |
| path.conicTo(x1, y1, x2, y2, x3); |
| break; |
| case CUBIC: |
| CHECK_NUM_ARGS(6); |
| x1 = cmds[i++], y1 = cmds[i++]; |
| x2 = cmds[i++], y2 = cmds[i++]; |
| x3 = cmds[i++], y3 = cmds[i++]; |
| path.cubicTo(x1, y1, x2, y2, x3, y3); |
| break; |
| case CLOSE: |
| path.close(); |
| break; |
| default: |
| SkDebugf(" path: UNKNOWN command %f, aborting dump...\n", cmds[i-1]); |
| return emscripten::val::null(); |
| } |
| } |
| |
| #undef CHECK_NUM_ARGS |
| |
| return emscripten::val(path); |
| } |
| |
| //======================================================================================== |
| // Path Effects |
| //======================================================================================== |
| |
| bool ApplyDash(SkPath& path, SkScalar on, SkScalar off, SkScalar phase) { |
| SkScalar intervals[] = { on, off }; |
| auto pe = SkDashPathEffect::Make(intervals, 2, phase); |
| if (!pe) { |
| SkDebugf("Invalid args to dash()\n"); |
| return false; |
| } |
| SkStrokeRec rec(SkStrokeRec::InitStyle::kHairline_InitStyle); |
| if (pe->filterPath(&path, path, &rec, nullptr)) { |
| return true; |
| } |
| SkDebugf("Could not make dashed path\n"); |
| return false; |
| } |
| |
| bool ApplyTrim(SkPath& path, SkScalar startT, SkScalar stopT, bool isComplement) { |
| auto mode = isComplement ? SkTrimPathEffect::Mode::kInverted : SkTrimPathEffect::Mode::kNormal; |
| auto pe = SkTrimPathEffect::Make(startT, stopT, mode); |
| if (!pe) { |
| SkDebugf("Invalid args to trim(): startT and stopT must be in [0,1]\n"); |
| return false; |
| } |
| SkStrokeRec rec(SkStrokeRec::InitStyle::kHairline_InitStyle); |
| if (pe->filterPath(&path, path, &rec, nullptr)) { |
| return true; |
| } |
| SkDebugf("Could not trim path\n"); |
| return false; |
| } |
| |
| struct StrokeOpts { |
| // Default values are set in interface.js which allows clients |
| // to set any number of them. Otherwise, the binding code complains if |
| // any are omitted. |
| SkScalar width; |
| SkScalar miter_limit; |
| SkPaint::Join join; |
| SkPaint::Cap cap; |
| float precision; |
| }; |
| |
| bool ApplyStroke(SkPath& path, StrokeOpts opts) { |
| SkPaint p; |
| p.setStyle(SkPaint::kStroke_Style); |
| p.setStrokeCap(opts.cap); |
| p.setStrokeJoin(opts.join); |
| p.setStrokeWidth(opts.width); |
| p.setStrokeMiter(opts.miter_limit); |
| |
| return p.getFillPath(path, &path, nullptr, opts.precision); |
| } |
| |
| // to map from raw memory to a uint8array |
| Uint8Array getSkDataBytes(const SkData *data) { |
| return Uint8Array(typed_memory_view(data->size(), data->bytes())); |
| } |
| |
| // Text Shaping abstraction |
| |
| struct ShapedTextOpts { |
| SkFont font; |
| bool leftToRight; |
| std::string text; |
| SkScalar width; |
| }; |
| |
| std::unique_ptr<SkShaper> shaper; |
| |
| static sk_sp<SkTextBlob> do_shaping(const ShapedTextOpts& opts, SkPoint* pt) { |
| SkTextBlobBuilderRunHandler builder(opts.text.c_str(), {0, 0}); |
| if (!shaper) { |
| shaper = SkShaper::Make(); |
| } |
| shaper->shape(opts.text.c_str(), opts.text.length(), |
| opts.font, opts.leftToRight, |
| opts.width, &builder); |
| *pt = builder.endPoint(); |
| return builder.makeBlob(); |
| } |
| |
| class ShapedText { |
| public: |
| ShapedText(ShapedTextOpts opts) : fOpts(opts) {} |
| |
| SkRect getBounds() { |
| this->init(); |
| return SkRect::MakeLTRB(0, 0, fOpts.width, fPoint.y()); |
| } |
| |
| SkTextBlob* blob() { |
| this->init(); |
| return fBlob.get(); |
| } |
| private: |
| const ShapedTextOpts fOpts; |
| SkPoint fPoint; |
| sk_sp<SkTextBlob> fBlob; |
| |
| void init() { |
| if (!fBlob) { |
| fBlob = do_shaping(fOpts, &fPoint); |
| } |
| } |
| }; |
| |
| void drawShapedText(SkCanvas& canvas, ShapedText st, SkScalar x, |
| SkScalar y, SkPaint paint) { |
| canvas.drawTextBlob(st.blob(), x, y, paint); |
| } |
| |
| int saveLayerRec(SkCanvas& canvas, const SkPaint* paint, |
| const SkImageFilter* backdrop, SkCanvas::SaveLayerFlags flags) { |
| return canvas.saveLayer(SkCanvas::SaveLayerRec(nullptr, paint, backdrop, flags)); |
| } |
| |
| int saveLayerRecBounds(SkCanvas& canvas, const SkPaint* paint, const SkImageFilter* backdrop, |
| SkCanvas::SaveLayerFlags flags, const SkRect& bounds) { |
| return canvas.saveLayer(SkCanvas::SaveLayerRec(&bounds, paint, backdrop, flags)); |
| } |
| |
| // This is simpler than dealing with an SkPoint and SkVector |
| struct PosTan { |
| SkScalar px, py, tx, ty; |
| }; |
| |
| // SimpleRRect is simpler than passing a (complex) SkRRect over the wire to JS. |
| struct SimpleRRect { |
| SkRect rect; |
| |
| SkScalar rx1; |
| SkScalar ry1; |
| SkScalar rx2; |
| SkScalar ry2; |
| SkScalar rx3; |
| SkScalar ry3; |
| SkScalar rx4; |
| SkScalar ry4; |
| }; |
| |
| SkRRect toRRect(const SimpleRRect& r) { |
| SkVector fRadii[4] = {{r.rx1, r.ry1}, {r.rx2, r.ry2}, |
| {r.rx3, r.ry3}, {r.rx4, r.ry4}}; |
| SkRRect rr; |
| rr.setRectRadii(r.rect, fRadii); |
| return rr; |
| } |
| |
| struct TonalColors { |
| SkColor ambientColor; |
| SkColor spotColor; |
| }; |
| |
| TonalColors computeTonalColors(const TonalColors& in) { |
| TonalColors out; |
| SkShadowUtils::ComputeTonalColors(in.ambientColor, in.spotColor, |
| &out.ambientColor, &out.spotColor); |
| return out; |
| } |
| |
| // These objects have private destructors / delete methods - I don't think |
| // we need to do anything other than tell emscripten to do nothing. |
| namespace emscripten { |
| namespace internal { |
| template<typename ClassType> |
| void raw_destructor(ClassType *); |
| |
| template<> |
| void raw_destructor<SkData>(SkData *ptr) { |
| } |
| |
| template<> |
| void raw_destructor<SkVertices>(SkVertices *ptr) { |
| } |
| |
| #ifndef SK_NO_FONTS |
| template<> |
| void raw_destructor<SkTextBlob>(SkTextBlob *ptr) { |
| } |
| |
| template<> |
| void raw_destructor<SkTypeface>(SkTypeface *ptr) { |
| } |
| #endif |
| } |
| } |
| |
| // Some signatures below have uintptr_t instead of a pointer to a primitive |
| // type (e.g. SkScalar). This is necessary because we can't use "bind" (EMSCRIPTEN_BINDINGS) |
| // and pointers to primitive types (Only bound types like SkPoint). We could if we used |
| // cwrap (see https://becominghuman.ai/passing-and-returning-webassembly-array-parameters-a0f572c65d97) |
| // but that requires us to stick to C code and, AFAIK, doesn't allow us to return nice things like |
| // SkPath or SkCanvas. |
| // |
| // So, basically, if we are using C++ and EMSCRIPTEN_BINDINGS, we can't have primitive pointers |
| // in our function type signatures. (this gives an error message like "Cannot call foo due to unbound |
| // types Pi, Pf"). But, we can just pretend they are numbers and cast them to be pointers and |
| // the compiler is happy. |
| EMSCRIPTEN_BINDINGS(Skia) { |
| #if SK_SUPPORT_GPU |
| function("currentContext", &emscripten_webgl_get_current_context); |
| function("setCurrentContext", &emscripten_webgl_make_context_current); |
| function("MakeGrContext", &MakeGrContext); |
| function("MakeOnScreenGLSurface", &MakeOnScreenGLSurface); |
| function("MakeRenderTarget", select_overload<sk_sp<SkSurface>(sk_sp<GrContext>, int, int)>(&MakeRenderTarget)); |
| function("MakeRenderTarget", select_overload<sk_sp<SkSurface>(sk_sp<GrContext>, SimpleImageInfo)>(&MakeRenderTarget)); |
| |
| constant("gpu", true); |
| #endif |
| function("computeTonalColors", &computeTonalColors); |
| function("_decodeAnimatedImage", optional_override([](uintptr_t /* uint8_t* */ iptr, |
| size_t length)->sk_sp<SkAnimatedImage> { |
| uint8_t* imgData = reinterpret_cast<uint8_t*>(iptr); |
| sk_sp<SkData> bytes = SkData::MakeFromMalloc(imgData, length); |
| auto codec = SkAndroidCodec::MakeFromData(bytes); |
| if (nullptr == codec) { |
| return nullptr; |
| } |
| return SkAnimatedImage::Make(std::move(codec)); |
| }), allow_raw_pointers()); |
| function("_decodeImage", optional_override([](uintptr_t /* uint8_t* */ iptr, |
| size_t length)->sk_sp<SkImage> { |
| uint8_t* imgData = reinterpret_cast<uint8_t*>(iptr); |
| sk_sp<SkData> bytes = SkData::MakeFromMalloc(imgData, length); |
| return SkImage::MakeFromEncoded(std::move(bytes)); |
| }), allow_raw_pointers()); |
| function("_getRasterDirectSurface", optional_override([](const SimpleImageInfo ii, |
| uintptr_t /* uint8_t* */ pPtr, |
| size_t rowBytes)->sk_sp<SkSurface> { |
| uint8_t* pixels = reinterpret_cast<uint8_t*>(pPtr); |
| SkImageInfo imageInfo = toSkImageInfo(ii); |
| return SkSurface::MakeRasterDirect(imageInfo, pixels, rowBytes, nullptr); |
| }), allow_raw_pointers()); |
| function("_getRasterN32PremulSurface", optional_override([](int width, int height)->sk_sp<SkSurface> { |
| return SkSurface::MakeRasterN32Premul(width, height, nullptr); |
| }), allow_raw_pointers()); |
| |
| function("getSkDataBytes", &getSkDataBytes, allow_raw_pointers()); |
| function("MakeSkCornerPathEffect", &SkCornerPathEffect::Make, allow_raw_pointers()); |
| function("MakeSkDiscretePathEffect", &SkDiscretePathEffect::Make, allow_raw_pointers()); |
| // Deprecated: use Canvaskit.SkMaskFilter.MakeBlur |
| function("MakeBlurMaskFilter", optional_override([](SkBlurStyle style, SkScalar sigma, bool respectCTM)->sk_sp<SkMaskFilter> { |
| // Adds a little helper because emscripten doesn't expose default params. |
| return SkMaskFilter::MakeBlur(style, sigma, respectCTM); |
| }), allow_raw_pointers()); |
| function("_MakePathFromCmds", &MakePathFromCmds); |
| function("MakePathFromOp", &MakePathFromOp); |
| function("MakePathFromSVGString", &MakePathFromSVGString); |
| |
| // These won't be called directly, there's a JS helper to deal with typed arrays. |
| function("_MakeSkDashPathEffect", optional_override([](uintptr_t /* float* */ cptr, int count, SkScalar phase)->sk_sp<SkPathEffect> { |
| // See comment above for uintptr_t explanation |
| const float* intervals = reinterpret_cast<const float*>(cptr); |
| return SkDashPathEffect::Make(intervals, count, phase); |
| }), allow_raw_pointers()); |
| function("_MakeImage", optional_override([](SimpleImageInfo ii, |
| uintptr_t /* uint8_t* */ pPtr, int plen, |
| size_t rowBytes)->sk_sp<SkImage> { |
| // See comment above for uintptr_t explanation |
| uint8_t* pixels = reinterpret_cast<uint8_t*>(pPtr); |
| SkImageInfo info = toSkImageInfo(ii); |
| sk_sp<SkData> pixelData = SkData::MakeFromMalloc(pixels, plen); |
| |
| return SkImage::MakeRasterData(info, pixelData, rowBytes); |
| }), allow_raw_pointers()); |
| function("_MakeLinearGradientShader", optional_override([](SkPoint start, SkPoint end, |
| uintptr_t /* SkColor* */ cPtr, uintptr_t /* SkScalar* */ pPtr, |
| int count, SkTileMode mode, uint32_t flags)->sk_sp<SkShader> { |
| SkPoint points[] = { start, end }; |
| // See comment above for uintptr_t explanation |
| const SkColor* colors = reinterpret_cast<const SkColor*> (cPtr); |
| const SkScalar* positions = reinterpret_cast<const SkScalar*>(pPtr); |
| |
| return SkGradientShader::MakeLinear(points, colors, positions, count, |
| mode, flags, nullptr); |
| }), allow_raw_pointers()); |
| function("_MakeLinearGradientShader", optional_override([](SkPoint start, SkPoint end, |
| uintptr_t /* SkColor* */ cPtr, uintptr_t /* SkScalar* */ pPtr, |
| int count, SkTileMode mode, uint32_t flags, |
| const SimpleMatrix& lm)->sk_sp<SkShader> { |
| SkPoint points[] = { start, end }; |
| // See comment above for uintptr_t explanation |
| const SkColor* colors = reinterpret_cast<const SkColor*> (cPtr); |
| const SkScalar* positions = reinterpret_cast<const SkScalar*>(pPtr); |
| |
| SkMatrix localMatrix = toSkMatrix(lm); |
| |
| return SkGradientShader::MakeLinear(points, colors, positions, count, |
| mode, flags, &localMatrix); |
| }), allow_raw_pointers()); |
| function("_MakeRadialGradientShader", optional_override([](SkPoint center, SkScalar radius, |
| uintptr_t /* SkColor* */ cPtr, uintptr_t /* SkScalar* */ pPtr, |
| int count, SkTileMode mode, uint32_t flags)->sk_sp<SkShader> { |
| // See comment above for uintptr_t explanation |
| const SkColor* colors = reinterpret_cast<const SkColor*> (cPtr); |
| const SkScalar* positions = reinterpret_cast<const SkScalar*>(pPtr); |
| |
| return SkGradientShader::MakeRadial(center, radius, colors, positions, count, |
| mode, flags, nullptr); |
| }), allow_raw_pointers()); |
| function("_MakeRadialGradientShader", optional_override([](SkPoint center, SkScalar radius, |
| uintptr_t /* SkColor* */ cPtr, uintptr_t /* SkScalar* */ pPtr, |
| int count, SkTileMode mode, uint32_t flags, |
| const SimpleMatrix& lm)->sk_sp<SkShader> { |
| // See comment above for uintptr_t explanation |
| const SkColor* colors = reinterpret_cast<const SkColor*> (cPtr); |
| const SkScalar* positions = reinterpret_cast<const SkScalar*>(pPtr); |
| |
| SkMatrix localMatrix = toSkMatrix(lm); |
| return SkGradientShader::MakeRadial(center, radius, colors, positions, count, |
| mode, flags, &localMatrix); |
| }), allow_raw_pointers()); |
| function("_MakeTwoPointConicalGradientShader", optional_override([]( |
| SkPoint start, SkScalar startRadius, |
| SkPoint end, SkScalar endRadius, |
| uintptr_t /* SkColor* */ cPtr, uintptr_t /* SkScalar* */ pPtr, |
| int count, SkTileMode mode, uint32_t flags)->sk_sp<SkShader> { |
| // See comment above for uintptr_t explanation |
| const SkColor* colors = reinterpret_cast<const SkColor*> (cPtr); |
| const SkScalar* positions = reinterpret_cast<const SkScalar*>(pPtr); |
| |
| return SkGradientShader::MakeTwoPointConical(start, startRadius, end, endRadius, |
| colors, positions, count, mode, |
| flags, nullptr); |
| }), allow_raw_pointers()); |
| function("_MakeTwoPointConicalGradientShader", optional_override([]( |
| SkPoint start, SkScalar startRadius, |
| SkPoint end, SkScalar endRadius, |
| uintptr_t /* SkColor* */ cPtr, uintptr_t /* SkScalar* */ pPtr, |
| int count, SkTileMode mode, uint32_t flags, |
| const SimpleMatrix& lm)->sk_sp<SkShader> { |
| // See comment above for uintptr_t explanation |
| const SkColor* colors = reinterpret_cast<const SkColor*> (cPtr); |
| const SkScalar* positions = reinterpret_cast<const SkScalar*>(pPtr); |
| |
| SkMatrix localMatrix = toSkMatrix(lm); |
| return SkGradientShader::MakeTwoPointConical(start, startRadius, end, endRadius, |
| colors, positions, count, mode, |
| flags, &localMatrix); |
| }), allow_raw_pointers()); |
| |
| #if SK_SUPPORT_GPU |
| class_<GrContext>("GrContext") |
| .smart_ptr<sk_sp<GrContext>>("sk_sp<GrContext>") |
| .function("getResourceCacheLimitBytes", optional_override([](GrContext& self)->size_t { |
| int maxResources = 0;// ignored |
| size_t currMax = 0; |
| self.getResourceCacheLimits(&maxResources, &currMax); |
| return currMax; |
| })) |
| .function("getResourceCacheUsageBytes", optional_override([](GrContext& self)->size_t { |
| int usedResources = 0;// ignored |
| size_t currUsage = 0; |
| self.getResourceCacheUsage(&usedResources, &currUsage); |
| return currUsage; |
| })) |
| .function("setResourceCacheLimitBytes", optional_override([](GrContext& self, size_t maxResourceBytes)->void { |
| int maxResources = 0; |
| size_t currMax = 0; // ignored |
| self.getResourceCacheLimits(&maxResources, &currMax); |
| self.setResourceCacheLimits(maxResources, maxResourceBytes); |
| })); |
| #endif |
| |
| class_<SkAnimatedImage>("SkAnimatedImage") |
| .smart_ptr<sk_sp<SkAnimatedImage>>("sk_sp<SkAnimatedImage>") |
| .function("decodeNextFrame", &SkAnimatedImage::decodeNextFrame) |
| .function("getFrameCount", &SkAnimatedImage::getFrameCount) |
| .function("getRepetitionCount", &SkAnimatedImage::getRepetitionCount) |
| .function("height", optional_override([](SkAnimatedImage& self)->int32_t { |
| return self.dimensions().height(); |
| })) |
| .function("reset", &SkAnimatedImage::reset) |
| .function("width", optional_override([](SkAnimatedImage& self)->int32_t { |
| return self.dimensions().width(); |
| })); |
| |
| class_<SkCanvas>("SkCanvas") |
| .constructor<>() |
| .function("clear", &SkCanvas::clear) |
| .function("clipPath", select_overload<void (const SkPath&, SkClipOp, bool)>(&SkCanvas::clipPath)) |
| .function("clipRRect", optional_override([](SkCanvas& self, const SimpleRRect& r, SkClipOp op, bool doAntiAlias) { |
| self.clipRRect(toRRect(r), op, doAntiAlias); |
| })) |
| .function("clipRect", select_overload<void (const SkRect&, SkClipOp, bool)>(&SkCanvas::clipRect)) |
| .function("concat", optional_override([](SkCanvas& self, const SimpleMatrix& m) { |
| self.concat(toSkMatrix(m)); |
| })) |
| .function("drawArc", &SkCanvas::drawArc) |
| .function("_drawAtlas", optional_override([](SkCanvas& self, |
| const sk_sp<SkImage>& atlas, uintptr_t /* SkRSXform* */ xptr, |
| uintptr_t /* SkRect* */ rptr, uintptr_t /* SkColor* */ cptr, int count, |
| SkBlendMode mode, const SkPaint* paint)->void { |
| // See comment above for uintptr_t explanation |
| const SkRSXform* dstXforms = reinterpret_cast<const SkRSXform*>(xptr); |
| const SkRect* srcRects = reinterpret_cast<const SkRect*>(rptr); |
| const SkColor* colors = nullptr; |
| if (cptr) { |
| colors = reinterpret_cast<const SkColor*>(cptr); |
| } |
| self.drawAtlas(atlas, dstXforms, srcRects, colors, count, mode, nullptr, paint); |
| }), allow_raw_pointers()) |
| .function("drawCircle", select_overload<void (SkScalar, SkScalar, SkScalar, const SkPaint& paint)>(&SkCanvas::drawCircle)) |
| .function("drawColor", &SkCanvas::drawColor) |
| .function("drawDRRect",optional_override([](SkCanvas& self, const SimpleRRect& o, const SimpleRRect& i, const SkPaint& paint) { |
| self.drawDRRect(toRRect(o), toRRect(i), paint); |
| })) |
| .function("drawAnimatedImage", optional_override([](SkCanvas& self, sk_sp<SkAnimatedImage>& aImg, |
| SkScalar x, SkScalar y)->void { |
| self.drawDrawable(aImg.get(), x, y); |
| }), allow_raw_pointers()) |
| .function("drawImage", select_overload<void (const sk_sp<SkImage>&, SkScalar, SkScalar, const SkPaint*)>(&SkCanvas::drawImage), allow_raw_pointers()) |
| .function("drawImageRect", optional_override([](SkCanvas& self, const sk_sp<SkImage>& image, |
| SkRect src, SkRect dst, |
| const SkPaint* paint, bool fastSample)->void { |
| self.drawImageRect(image, src, dst, paint, |
| fastSample ? SkCanvas::kFast_SrcRectConstraint : |
| SkCanvas::kStrict_SrcRectConstraint); |
| }), allow_raw_pointers()) |
| .function("drawLine", select_overload<void (SkScalar, SkScalar, SkScalar, SkScalar, const SkPaint&)>(&SkCanvas::drawLine)) |
| .function("drawOval", &SkCanvas::drawOval) |
| .function("drawPaint", &SkCanvas::drawPaint) |
| #ifdef SK_INCLUDE_PARAGRAPH |
| .function("drawParagraph", optional_override([](SkCanvas& self, skia::textlayout::Paragraph* p, |
| SkScalar x, SkScalar y) { |
| p->paint(&self, x, y); |
| }), allow_raw_pointers()) |
| #endif |
| .function("drawPath", &SkCanvas::drawPath) |
| // Of note, picture is *not* what is colloquially thought of as a "picture", what we call |
| // a bitmap. An SkPicture is a series of draw commands. |
| .function("drawPicture", select_overload<void (const sk_sp<SkPicture>&)>(&SkCanvas::drawPicture)) |
| .function("drawRRect",optional_override([](SkCanvas& self, const SimpleRRect& r, const SkPaint& paint) { |
| self.drawRRect(toRRect(r), paint); |
| })) |
| .function("drawRect", &SkCanvas::drawRect) |
| .function("drawRoundRect", &SkCanvas::drawRoundRect) |
| .function("drawShadow", optional_override([](SkCanvas& self, const SkPath& path, |
| const SkPoint3& zPlaneParams, |
| const SkPoint3& lightPos, SkScalar lightRadius, |
| SkColor ambientColor, SkColor spotColor, |
| uint32_t flags) { |
| SkShadowUtils::DrawShadow(&self, path, zPlaneParams, lightPos, lightRadius, |
| ambientColor, spotColor, flags); |
| })) |
| #ifndef SK_NO_FONTS |
| .function("_drawShapedText", &drawShapedText) |
| .function("_drawSimpleText", optional_override([](SkCanvas& self, uintptr_t /* char* */ sptr, |
| size_t len, SkScalar x, SkScalar y, const SkFont& font, |
| const SkPaint& paint) { |
| // See comment above for uintptr_t explanation |
| const char* str = reinterpret_cast<const char*>(sptr); |
| |
| self.drawSimpleText(str, len, SkTextEncoding::kUTF8, x, y, font, paint); |
| })) |
| .function("drawTextBlob", select_overload<void (const sk_sp<SkTextBlob>&, SkScalar, SkScalar, const SkPaint&)>(&SkCanvas::drawTextBlob)) |
| #endif |
| .function("drawVertices", select_overload<void (const sk_sp<SkVertices>&, SkBlendMode, const SkPaint&)>(&SkCanvas::drawVertices)) |
| .function("flush", &SkCanvas::flush) |
| .function("getSaveCount", &SkCanvas::getSaveCount) |
| .function("getTotalMatrix", optional_override([](const SkCanvas& self)->SimpleMatrix { |
| SkMatrix m = self.getTotalMatrix(); |
| return toSimpleSkMatrix(m); |
| })) |
| .function("makeSurface", optional_override([](SkCanvas& self, SimpleImageInfo sii)->sk_sp<SkSurface> { |
| return self.makeSurface(toSkImageInfo(sii), nullptr); |
| }), allow_raw_pointers()) |
| .function("_readPixels", optional_override([](SkCanvas& self, SimpleImageInfo di, |
| uintptr_t /* uint8_t* */ pPtr, |
| size_t dstRowBytes, int srcX, int srcY) { |
| uint8_t* pixels = reinterpret_cast<uint8_t*>(pPtr); |
| SkImageInfo dstInfo = toSkImageInfo(di); |
| |
| return self.readPixels(dstInfo, pixels, dstRowBytes, srcX, srcY); |
| })) |
| .function("restore", &SkCanvas::restore) |
| .function("restoreToCount", &SkCanvas::restoreToCount) |
| .function("rotate", select_overload<void (SkScalar, SkScalar, SkScalar)>(&SkCanvas::rotate)) |
| .function("save", &SkCanvas::save) |
| // 2 params |
| .function("saveLayer", select_overload<int (const SkRect&, const SkPaint*)>(&SkCanvas::saveLayer), |
| allow_raw_pointers()) |
| // 3 params (effectively with SaveLayerRec, but no bounds) |
| .function("saveLayer", saveLayerRec, allow_raw_pointers()) |
| // 4 params (effectively with SaveLayerRec) |
| .function("saveLayer", saveLayerRecBounds, allow_raw_pointers()) |
| |
| .function("scale", &SkCanvas::scale) |
| .function("skew", &SkCanvas::skew) |
| .function("translate", &SkCanvas::translate) |
| .function("_writePixels", optional_override([](SkCanvas& self, SimpleImageInfo di, |
| uintptr_t /* uint8_t* */ pPtr, |
| size_t srcRowBytes, int dstX, int dstY) { |
| uint8_t* pixels = reinterpret_cast<uint8_t*>(pPtr); |
| SkImageInfo dstInfo = toSkImageInfo(di); |
| |
| return self.writePixels(dstInfo, pixels, srcRowBytes, dstX, dstY); |
| })); |
| |
| class_<SkColorFilter>("SkColorFilter") |
| .smart_ptr<sk_sp<SkColorFilter>>("sk_sp<SkColorFilter>>") |
| .class_function("MakeBlend", &SkColorFilters::Blend) |
| .class_function("MakeCompose", &SkColorFilters::Compose) |
| .class_function("MakeLerp", &SkColorFilters::Lerp) |
| .class_function("MakeLinearToSRGBGamma", &SkColorFilters::LinearToSRGBGamma) |
| .class_function("_makeMatrix", optional_override([](uintptr_t /* float* */ fPtr) { |
| float* twentyFloats = reinterpret_cast<float*>(fPtr); |
| return SkColorFilters::Matrix(twentyFloats); |
| })) |
| .class_function("MakeSRGBToLinearGamma", &SkColorFilters::SRGBToLinearGamma); |
| |
| class_<SkData>("SkData") |
| .smart_ptr<sk_sp<SkData>>("sk_sp<SkData>>") |
| .function("size", &SkData::size); |
| |
| class_<SkDrawable>("SkDrawable") |
| .smart_ptr<sk_sp<SkDrawable>>("sk_sp<SkDrawable>>"); |
| |
| #ifndef SK_NO_FONTS |
| class_<SkFont>("SkFont") |
| .constructor<>() |
| .constructor<sk_sp<SkTypeface>>() |
| .constructor<sk_sp<SkTypeface>, SkScalar>() |
| .constructor<sk_sp<SkTypeface>, SkScalar, SkScalar, SkScalar>() |
| .function("getScaleX", &SkFont::getScaleX) |
| .function("getSize", &SkFont::getSize) |
| .function("getSkewX", &SkFont::getSkewX) |
| .function("getTypeface", &SkFont::getTypeface, allow_raw_pointers()) |
| .function("_getWidths", optional_override([](SkFont& self, uintptr_t /* char* */ sptr, |
| size_t strLen, size_t expectedCodePoints, |
| uintptr_t /* SkScalar* */ wptr) -> bool { |
| char* str = reinterpret_cast<char*>(sptr); |
| SkScalar* widths = reinterpret_cast<SkScalar*>(wptr); |
| |
| SkGlyphID* glyphStorage = new SkGlyphID[expectedCodePoints]; |
| int actualCodePoints = self.textToGlyphs(str, strLen, SkTextEncoding::kUTF8, |
| glyphStorage, expectedCodePoints); |
| if (actualCodePoints != expectedCodePoints) { |
| SkDebugf("Actually %d glyphs, expected only %d\n", |
| actualCodePoints, expectedCodePoints); |
| return false; |
| } |
| |
| self.getWidths(glyphStorage, actualCodePoints, widths); |
| delete[] glyphStorage; |
| return true; |
| })) |
| .function("measureText", optional_override([](SkFont& self, std::string text) { |
| // TODO(kjlubick): This does not work well for non-ascii |
| // Need to maybe add a helper in interface.js that supports UTF-8 |
| // Otherwise, go with std::wstring and set UTF-32 encoding. |
| return self.measureText(text.c_str(), text.length(), SkTextEncoding::kUTF8); |
| })) |
| .function("setScaleX", &SkFont::setScaleX) |
| .function("setSize", &SkFont::setSize) |
| .function("setSkewX", &SkFont::setSkewX) |
| .function("setTypeface", &SkFont::setTypeface, allow_raw_pointers()); |
| |
| class_<ShapedText>("ShapedText") |
| .constructor<ShapedTextOpts>() |
| .function("getBounds", &ShapedText::getBounds); |
| |
| class_<SkFontMgr>("SkFontMgr") |
| .smart_ptr<sk_sp<SkFontMgr>>("sk_sp<SkFontMgr>") |
| .class_function("_fromData", optional_override([](uintptr_t /* uint8_t** */ dPtr, |
| uintptr_t /* size_t* */ sPtr, |
| int numFonts)->sk_sp<SkFontMgr> { |
| // See comment above for uintptr_t explanation |
| auto datas = reinterpret_cast<const uint8_t**>(dPtr); |
| auto sizes = reinterpret_cast<const size_t*>(sPtr); |
| |
| return SkFontMgr_New_Custom_Data(datas, sizes, numFonts); |
| }), allow_raw_pointers()) |
| .class_function("RefDefault", &SkFontMgr::RefDefault) |
| #ifdef SK_DEBUG |
| .function("dumpFamilies", optional_override([](SkFontMgr& self) { |
| int numFam = self.countFamilies(); |
| SkDebugf("There are %d font families\n", numFam); |
| for (int i = 0 ; i< numFam; i++) { |
| SkString s; |
| self.getFamilyName(i, &s); |
| SkDebugf("\t%s\n", s.c_str()); |
| } |
| })) |
| #endif |
| .function("countFamilies", &SkFontMgr::countFamilies) |
| .function("_makeTypefaceFromData", optional_override([](SkFontMgr& self, |
| uintptr_t /* uint8_t* */ fPtr, |
| int flen)->sk_sp<SkTypeface> { |
| // See comment above for uintptr_t explanation |
| uint8_t* font = reinterpret_cast<uint8_t*>(fPtr); |
| sk_sp<SkData> fontData = SkData::MakeFromMalloc(font, flen); |
| |
| return self.makeFromData(fontData); |
| }), allow_raw_pointers()); |
| #endif |
| |
| class_<SkImage>("SkImage") |
| .smart_ptr<sk_sp<SkImage>>("sk_sp<SkImage>") |
| .function("height", &SkImage::height) |
| .function("width", &SkImage::width) |
| .function("_encodeToData", select_overload<sk_sp<SkData>()const>(&SkImage::encodeToData)) |
| .function("_encodeToDataWithFormat", select_overload<sk_sp<SkData>(SkEncodedImageFormat encodedImageFormat, int quality)const>(&SkImage::encodeToData)) |
| // Allow localMatrix to be optional, so we have 2 declarations of these shaders |
| .function("_makeShader", optional_override([](sk_sp<SkImage> self, |
| SkTileMode tx, SkTileMode ty)->sk_sp<SkShader> { |
| return self->makeShader(tx, ty, nullptr); |
| }), allow_raw_pointers()) |
| .function("_makeShader", optional_override([](sk_sp<SkImage> self, |
| SkTileMode tx, SkTileMode ty, |
| const SimpleMatrix& lm)->sk_sp<SkShader> { |
| SkMatrix localMatrix = toSkMatrix(lm); |
| |
| return self->makeShader(tx, ty, &localMatrix); |
| }), allow_raw_pointers()) |
| .function("_readPixels", optional_override([](sk_sp<SkImage> self, |
| SimpleImageInfo sii, uintptr_t /* uint8_t* */ pPtr, |
| size_t dstRowBytes, int srcX, int srcY)->bool { |
| // See comment above for uintptr_t explanation |
| uint8_t* pixels = reinterpret_cast<uint8_t*>(pPtr); |
| SkImageInfo ii = toSkImageInfo(sii); |
| |
| return self->readPixels(ii, pixels, dstRowBytes, srcX, srcY); |
| }), allow_raw_pointers()); |
| |
| class_<SkImageFilter>("SkImageFilter") |
| .smart_ptr<sk_sp<SkImageFilter>>("sk_sp<SkImageFilter>") |
| .class_function("MakeBlur", optional_override([](SkScalar sigmaX, SkScalar sigmaY, |
| SkTileMode tileMode, sk_sp<SkImageFilter> input)->sk_sp<SkImageFilter> { |
| // Emscripten does not like default args nor SkIRect* much |
| return SkImageFilters::Blur(sigmaX, sigmaY, tileMode, input); |
| })) |
| .class_function("MakeColorFilter", optional_override([](sk_sp<SkColorFilter> cf, |
| sk_sp<SkImageFilter> input)->sk_sp<SkImageFilter> { |
| // Emscripten does not like default args nor SkIRect* much |
| return SkImageFilters::ColorFilter(cf, input); |
| })) |
| .class_function("MakeCompose", &SkImageFilters::Compose); |
| |
| class_<SkMaskFilter>("SkMaskFilter") |
| .smart_ptr<sk_sp<SkMaskFilter>>("sk_sp<SkMaskFilter>") |
| .class_function("MakeBlur", optional_override([](SkBlurStyle style, SkScalar sigma, bool respectCTM)->sk_sp<SkMaskFilter> { |
| // Adds a little helper because emscripten doesn't expose default params. |
| return SkMaskFilter::MakeBlur(style, sigma, respectCTM); |
| }), allow_raw_pointers()); |
| |
| class_<SkPaint>("SkPaint") |
| .constructor<>() |
| .function("copy", optional_override([](const SkPaint& self)->SkPaint { |
| SkPaint p(self); |
| return p; |
| })) |
| .function("getBlendMode", &SkPaint::getBlendMode) |
| .function("getColor", &SkPaint::getColor) |
| .function("getFilterQuality", &SkPaint::getFilterQuality) |
| .function("getStrokeCap", &SkPaint::getStrokeCap) |
| .function("getStrokeJoin", &SkPaint::getStrokeJoin) |
| .function("getStrokeMiter", &SkPaint::getStrokeMiter) |
| .function("getStrokeWidth", &SkPaint::getStrokeWidth) |
| .function("setAntiAlias", &SkPaint::setAntiAlias) |
| .function("setBlendMode", &SkPaint::setBlendMode) |
| .function("setColor", optional_override([](SkPaint& self, SkColor c) { |
| self.setColor(c); |
| })) |
| .function("setColorf", optional_override([](SkPaint& self, |
| float r, float g, float b, float a) { |
| self.setColor({r, g, b, a}); |
| })) |
| .function("setColorFilter", &SkPaint::setColorFilter) |
| .function("setFilterQuality", &SkPaint::setFilterQuality) |
| .function("setImageFilter", &SkPaint::setImageFilter) |
| .function("setMaskFilter", &SkPaint::setMaskFilter) |
| .function("setPathEffect", &SkPaint::setPathEffect) |
| .function("setShader", &SkPaint::setShader) |
| .function("setStrokeCap", &SkPaint::setStrokeCap) |
| .function("setStrokeJoin", &SkPaint::setStrokeJoin) |
| .function("setStrokeMiter", &SkPaint::setStrokeMiter) |
| .function("setStrokeWidth", &SkPaint::setStrokeWidth) |
| .function("setStyle", &SkPaint::setStyle); |
| |
| class_<SkPathEffect>("SkPathEffect") |
| .smart_ptr<sk_sp<SkPathEffect>>("sk_sp<SkPathEffect>"); |
| |
| class_<SkPath>("SkPath") |
| .constructor<>() |
| .constructor<const SkPath&>() |
| .function("_addArc", &ApplyAddArc) |
| // interface.js has 3 overloads of addPath |
| .function("_addOval", &ApplyAddOval) |
| .function("_addPath", &ApplyAddPath) |
| // interface.js has 4 overloads of addRect |
| .function("_addRect", &ApplyAddRect) |
| // interface.js has 4 overloads of addRoundRect |
| .function("_addRoundRect", &ApplyAddRoundRect) |
| .function("_arcTo", &ApplyArcTo) |
| .function("_arcTo", &ApplyArcToAngle) |
| .function("_arcTo", &ApplyArcToArcSize) |
| .function("_close", &ApplyClose) |
| .function("_conicTo", &ApplyConicTo) |
| .function("countPoints", &SkPath::countPoints) |
| .function("contains", &SkPath::contains) |
| .function("_cubicTo", &ApplyCubicTo) |
| .function("getPoint", &SkPath::getPoint) |
| .function("isEmpty", &SkPath::isEmpty) |
| .function("isVolatile", &SkPath::isVolatile) |
| .function("_lineTo", &ApplyLineTo) |
| .function("_moveTo", &ApplyMoveTo) |
| .function("_quadTo", &ApplyQuadTo) |
| .function("_rArcTo", &ApplyRArcToArcSize) |
| .function("_rConicTo", &ApplyRConicTo) |
| .function("_rCubicTo", &ApplyRCubicTo) |
| .function("_rLineTo", &ApplyRLineTo) |
| .function("_rMoveTo", &ApplyRMoveTo) |
| .function("_rQuadTo", &ApplyRQuadTo) |
| .function("reset", &ApplyReset) |
| .function("rewind", &ApplyRewind) |
| .function("setIsVolatile", &SkPath::setIsVolatile) |
| .function("_transform", select_overload<void(SkPath&, SkScalar, SkScalar, SkScalar, SkScalar, SkScalar, SkScalar, SkScalar, SkScalar, SkScalar)>(&ApplyTransform)) |
| |
| // PathEffects |
| .function("_dash", &ApplyDash) |
| .function("_trim", &ApplyTrim) |
| .function("_stroke", &ApplyStroke) |
| |
| // PathOps |
| .function("_simplify", &ApplySimplify) |
| .function("_op", &ApplyPathOp) |
| |
| // Exporting |
| .function("toSVGString", &ToSVGString) |
| .function("toCmds", &ToCmds) |
| |
| .function("setFillType", &SkPath::setFillType) |
| .function("getFillType", &SkPath::getFillType) |
| .function("getBounds", &SkPath::getBounds) |
| .function("computeTightBounds", &SkPath::computeTightBounds) |
| .function("equals", &Equals) |
| .function("copy", &CopyPath) |
| #ifdef SK_DEBUG |
| .function("dump", select_overload<void() const>(&SkPath::dump)) |
| .function("dumpHex", select_overload<void() const>(&SkPath::dumpHex)) |
| #endif |
| ; |
| |
| class_<SkPathMeasure>("SkPathMeasure") |
| .constructor<const SkPath&, bool, SkScalar>() |
| .function("getLength", &SkPathMeasure::getLength) |
| .function("getPosTan", optional_override([](SkPathMeasure& self, |
| SkScalar distance) -> PosTan { |
| SkPoint p{0, 0}; |
| SkVector v{0, 0}; |
| if (!self.getPosTan(distance, &p, &v)) { |
| SkDebugf("zero-length path in getPosTan\n"); |
| } |
| return PosTan{p.x(), p.y(), v.x(), v.y()}; |
| })) |
| .function("isClosed", &SkPathMeasure::isClosed) |
| .function("nextContour", &SkPathMeasure::nextContour); |
| |
| class_<SkPictureRecorder>("SkPictureRecorder") |
| .constructor<>() |
| .function("beginRecording", optional_override([](SkPictureRecorder& self, |
| const SkRect& bounds) -> SkCanvas* { |
| return self.beginRecording(bounds, nullptr, 0); |
| }), allow_raw_pointers()) |
| .function("finishRecordingAsPicture", optional_override([](SkPictureRecorder& self) |
| -> sk_sp<SkPicture> { |
| return self.finishRecordingAsPicture(0); |
| }), allow_raw_pointers()); |
| |
| class_<SkPicture>("SkPicture") |
| .smart_ptr<sk_sp<SkPicture>>("sk_sp<SkPicture>") |
| // The serialized format of an SkPicture (informally called an "skp"), is not something |
| // that clients should ever rely on. It is useful when filing bug reports, but that's |
| // about it. The format may change at anytime and no promises are made for backwards |
| // or forward compatibility. |
| .function("DEBUGONLY_serialize", optional_override([](SkPicture& self) -> sk_sp<SkData> { |
| // Emscripten doesn't play well with optional arguments, which we don't |
| // want to expose anyway. |
| return self.serialize(); |
| }), allow_raw_pointers()); |
| |
| class_<SkShader>("SkShader") |
| .smart_ptr<sk_sp<SkShader>>("sk_sp<SkShader>"); |
| |
| class_<SkSurface>("SkSurface") |
| .smart_ptr<sk_sp<SkSurface>>("sk_sp<SkSurface>") |
| .function("_flush", select_overload<void()>(&SkSurface::flush)) |
| .function("getCanvas", &SkSurface::getCanvas, allow_raw_pointers()) |
| .function("height", &SkSurface::height) |
| .function("makeImageSnapshot", select_overload<sk_sp<SkImage>()>(&SkSurface::makeImageSnapshot)) |
| .function("makeImageSnapshot", select_overload<sk_sp<SkImage>(const SkIRect& bounds)>(&SkSurface::makeImageSnapshot)) |
| .function("makeSurface", optional_override([](SkSurface& self, SimpleImageInfo sii)->sk_sp<SkSurface> { |
| return self.makeSurface(toSkImageInfo(sii)); |
| }), allow_raw_pointers()) |
| .function("width", &SkSurface::width); |
| |
| #ifndef SK_NO_FONTS |
| class_<SkTextBlob>("SkTextBlob") |
| .smart_ptr<sk_sp<SkTextBlob>>("sk_sp<SkTextBlob>>") |
| .class_function("_MakeFromRSXform", optional_override([](uintptr_t /* char* */ sptr, |
| size_t strBtyes, |
| uintptr_t /* SkRSXform* */ xptr, |
| const SkFont& font, |
| SkTextEncoding encoding)->sk_sp<SkTextBlob> { |
| // See comment above for uintptr_t explanation |
| const char* str = reinterpret_cast<const char*>(sptr); |
| const SkRSXform* xforms = reinterpret_cast<const SkRSXform*>(xptr); |
| |
| return SkTextBlob::MakeFromRSXform(str, strBtyes, xforms, font, encoding); |
| }), allow_raw_pointers()) |
| .class_function("_MakeFromText", optional_override([](uintptr_t /* char* */ sptr, |
| size_t len, const SkFont& font, |
| SkTextEncoding encoding)->sk_sp<SkTextBlob> { |
| // See comment above for uintptr_t explanation |
| const char* str = reinterpret_cast<const char*>(sptr); |
| return SkTextBlob::MakeFromText(str, len, font, encoding); |
| }), allow_raw_pointers()); |
| |
| class_<SkTypeface>("SkTypeface") |
| .smart_ptr<sk_sp<SkTypeface>>("sk_sp<SkTypeface>"); |
| #endif |
| |
| class_<SkVertices>("SkVertices") |
| .smart_ptr<sk_sp<SkVertices>>("sk_sp<SkVertices>") |
| .function("_applyBones", optional_override([](SkVertices& self, uintptr_t /* Bone* */ bptr, int boneCount)->sk_sp<SkVertices> { |
| // See comment above for uintptr_t explanation |
| const Bone* bones = reinterpret_cast<const Bone*>(bptr); |
| return self.applyBones(bones, boneCount); |
| })) |
| .function("bounds", &SkVertices::bounds) |
| .function("mode", &SkVertices::mode) |
| .function("uniqueID", &SkVertices::uniqueID) |
| #ifdef SK_DEBUG |
| .function("dumpPositions", optional_override([](SkVertices& self)->void { |
| auto pos = self.positions(); |
| for(int i = 0; i< self.vertexCount(); i++) { |
| SkDebugf("position[%d] = (%f, %f)\n", i, pos[i].x(), pos[i].y()); |
| } |
| })) |
| #endif |
| .function("vertexCount", &SkVertices::vertexCount); |
| |
| // Not intended to be called directly by clients |
| class_<SkVertices::Builder>("_SkVerticesBuilder") |
| .constructor<SkVertices::VertexMode, int, int, uint32_t>() |
| .function("boneIndices", optional_override([](SkVertices::Builder& self)->uintptr_t /* BoneIndices* */{ |
| // Emscripten won't let us return bare pointers, but we can return ints just fine. |
| return reinterpret_cast<uintptr_t>(self.boneIndices()); |
| })) |
| .function("boneWeights", optional_override([](SkVertices::Builder& self)->uintptr_t /* BoneWeights* */{ |
| // Emscripten won't let us return bare pointers, but we can return ints just fine. |
| return reinterpret_cast<uintptr_t>(self.boneWeights()); |
| })) |
| .function("colors", optional_override([](SkVertices::Builder& self)->uintptr_t /* SkColor* */{ |
| // Emscripten won't let us return bare pointers, but we can return ints just fine. |
| return reinterpret_cast<uintptr_t>(self.colors()); |
| })) |
| .function("detach", &SkVertices::Builder::detach) |
| .function("indices", optional_override([](SkVertices::Builder& self)->uintptr_t /* uint16_t* */{ |
| // Emscripten won't let us return bare pointers, but we can return ints just fine. |
| return reinterpret_cast<uintptr_t>(self.indices()); |
| })) |
| .function("positions", optional_override([](SkVertices::Builder& self)->uintptr_t /* SkPoint* */{ |
| // Emscripten won't let us return bare pointers, but we can return ints just fine. |
| return reinterpret_cast<uintptr_t>(self.positions()); |
| })) |
| .function("texCoords", optional_override([](SkVertices::Builder& self)->uintptr_t /* SkPoint* */{ |
| // Emscripten won't let us return bare pointers, but we can return ints just fine. |
| return reinterpret_cast<uintptr_t>(self.texCoords()); |
| })); |
| |
| enum_<SkAlphaType>("AlphaType") |
| .value("Opaque", SkAlphaType::kOpaque_SkAlphaType) |
| .value("Premul", SkAlphaType::kPremul_SkAlphaType) |
| .value("Unpremul", SkAlphaType::kUnpremul_SkAlphaType); |
| |
| enum_<SkBlendMode>("BlendMode") |
| .value("Clear", SkBlendMode::kClear) |
| .value("Src", SkBlendMode::kSrc) |
| .value("Dst", SkBlendMode::kDst) |
| .value("SrcOver", SkBlendMode::kSrcOver) |
| .value("DstOver", SkBlendMode::kDstOver) |
| .value("SrcIn", SkBlendMode::kSrcIn) |
| .value("DstIn", SkBlendMode::kDstIn) |
| .value("SrcOut", SkBlendMode::kSrcOut) |
| .value("DstOut", SkBlendMode::kDstOut) |
| .value("SrcATop", SkBlendMode::kSrcATop) |
| .value("DstATop", SkBlendMode::kDstATop) |
| .value("Xor", SkBlendMode::kXor) |
| .value("Plus", SkBlendMode::kPlus) |
| .value("Modulate", SkBlendMode::kModulate) |
| .value("Screen", SkBlendMode::kScreen) |
| .value("Overlay", SkBlendMode::kOverlay) |
| .value("Darken", SkBlendMode::kDarken) |
| .value("Lighten", SkBlendMode::kLighten) |
| .value("ColorDodge", SkBlendMode::kColorDodge) |
| .value("ColorBurn", SkBlendMode::kColorBurn) |
| .value("HardLight", SkBlendMode::kHardLight) |
| .value("SoftLight", SkBlendMode::kSoftLight) |
| .value("Difference", SkBlendMode::kDifference) |
| .value("Exclusion", SkBlendMode::kExclusion) |
| .value("Multiply", SkBlendMode::kMultiply) |
| .value("Hue", SkBlendMode::kHue) |
| .value("Saturation", SkBlendMode::kSaturation) |
| .value("Color", SkBlendMode::kColor) |
| .value("Luminosity", SkBlendMode::kLuminosity); |
| |
| enum_<SkBlurStyle>("BlurStyle") |
| .value("Normal", SkBlurStyle::kNormal_SkBlurStyle) |
| .value("Solid", SkBlurStyle::kSolid_SkBlurStyle) |
| .value("Outer", SkBlurStyle::kOuter_SkBlurStyle) |
| .value("Inner", SkBlurStyle::kInner_SkBlurStyle); |
| |
| enum_<SkClipOp>("ClipOp") |
| .value("Difference", SkClipOp::kDifference) |
| .value("Intersect", SkClipOp::kIntersect); |
| |
| enum_<SkColorType>("ColorType") |
| .value("Alpha_8", SkColorType::kAlpha_8_SkColorType) |
| .value("RGB_565", SkColorType::kRGB_565_SkColorType) |
| .value("ARGB_4444", SkColorType::kARGB_4444_SkColorType) |
| .value("RGBA_8888", SkColorType::kRGBA_8888_SkColorType) |
| .value("RGB_888x", SkColorType::kRGB_888x_SkColorType) |
| .value("BGRA_8888", SkColorType::kBGRA_8888_SkColorType) |
| .value("RGBA_1010102", SkColorType::kRGBA_1010102_SkColorType) |
| .value("RGB_101010x", SkColorType::kRGB_101010x_SkColorType) |
| .value("Gray_8", SkColorType::kGray_8_SkColorType) |
| .value("RGBA_F16", SkColorType::kRGBA_F16_SkColorType) |
| .value("RGBA_F32", SkColorType::kRGBA_F32_SkColorType) |
| .value("R8G8_unorm", SkColorType::kR8G8_unorm_SkColorType) |
| .value("A16_unorm", SkColorType::kA16_unorm_SkColorType) |
| .value("R16G16_unorm", SkColorType::kR16G16_unorm_SkColorType) |
| .value("A16_float", SkColorType::kA16_float_SkColorType) |
| .value("R16G16_float", SkColorType::kR16G16_float_SkColorType) |
| .value("R16G16B16A16_unorm", SkColorType::kR16G16B16A16_unorm_SkColorType); |
| |
| enum_<SkPath::FillType>("FillType") |
| .value("Winding", SkPath::FillType::kWinding_FillType) |
| .value("EvenOdd", SkPath::FillType::kEvenOdd_FillType) |
| .value("InverseWinding", SkPath::FillType::kInverseWinding_FillType) |
| .value("InverseEvenOdd", SkPath::FillType::kInverseEvenOdd_FillType); |
| |
| enum_<SkFilterQuality>("FilterQuality") |
| .value("None", SkFilterQuality::kNone_SkFilterQuality) |
| .value("Low", SkFilterQuality::kLow_SkFilterQuality) |
| .value("Medium", SkFilterQuality::kMedium_SkFilterQuality) |
| .value("High", SkFilterQuality::kHigh_SkFilterQuality); |
| |
| enum_<SkEncodedImageFormat>("ImageFormat") |
| .value("PNG", SkEncodedImageFormat::kPNG) |
| .value("JPEG", SkEncodedImageFormat::kJPEG); |
| |
| enum_<SkPaint::Style>("PaintStyle") |
| .value("Fill", SkPaint::Style::kFill_Style) |
| .value("Stroke", SkPaint::Style::kStroke_Style) |
| .value("StrokeAndFill", SkPaint::Style::kStrokeAndFill_Style); |
| |
| enum_<SkPathOp>("PathOp") |
| .value("Difference", SkPathOp::kDifference_SkPathOp) |
| .value("Intersect", SkPathOp::kIntersect_SkPathOp) |
| .value("Union", SkPathOp::kUnion_SkPathOp) |
| .value("XOR", SkPathOp::kXOR_SkPathOp) |
| .value("ReverseDifference", SkPathOp::kReverseDifference_SkPathOp); |
| |
| enum_<SkPaint::Cap>("StrokeCap") |
| .value("Butt", SkPaint::Cap::kButt_Cap) |
| .value("Round", SkPaint::Cap::kRound_Cap) |
| .value("Square", SkPaint::Cap::kSquare_Cap); |
| |
| enum_<SkPaint::Join>("StrokeJoin") |
| .value("Miter", SkPaint::Join::kMiter_Join) |
| .value("Round", SkPaint::Join::kRound_Join) |
| .value("Bevel", SkPaint::Join::kBevel_Join); |
| |
| enum_<SkTextEncoding>("TextEncoding") |
| .value("UTF8", SkTextEncoding::kUTF8) |
| .value("UTF16", SkTextEncoding::kUTF16) |
| .value("UTF32", SkTextEncoding::kUTF32) |
| .value("GlyphID", SkTextEncoding::kGlyphID); |
| |
| enum_<SkTileMode>("TileMode") |
| .value("Clamp", SkTileMode::kClamp) |
| .value("Repeat", SkTileMode::kRepeat) |
| .value("Mirror", SkTileMode::kMirror) |
| .value("Decal", SkTileMode::kDecal); |
| |
| enum_<SkVertices::VertexMode>("VertexMode") |
| .value("Triangles", SkVertices::VertexMode::kTriangles_VertexMode) |
| .value("TrianglesStrip", SkVertices::VertexMode::kTriangleStrip_VertexMode) |
| .value("TriangleFan", SkVertices::VertexMode::kTriangleFan_VertexMode); |
| |
| |
| // A value object is much simpler than a class - it is returned as a JS |
| // object and does not require delete(). |
| // https://kripken.github.io/emscripten-site/docs/porting/connecting_cpp_and_javascript/embind.html#value-types |
| value_object<ShapedTextOpts>("ShapedTextOpts") |
| .field("font", &ShapedTextOpts::font) |
| .field("leftToRight", &ShapedTextOpts::leftToRight) |
| .field("text", &ShapedTextOpts::text) |
| .field("width", &ShapedTextOpts::width); |
| |
| value_object<SkRect>("SkRect") |
| .field("fLeft", &SkRect::fLeft) |
| .field("fTop", &SkRect::fTop) |
| .field("fRight", &SkRect::fRight) |
| .field("fBottom", &SkRect::fBottom); |
| |
| value_object<SimpleRRect>("SkRRect") |
| .field("rect", &SimpleRRect::rect) |
| .field("rx1", &SimpleRRect::rx1) |
| .field("ry1", &SimpleRRect::ry1) |
| .field("rx2", &SimpleRRect::rx2) |
| .field("ry2", &SimpleRRect::ry2) |
| .field("rx3", &SimpleRRect::rx3) |
| .field("ry3", &SimpleRRect::ry3) |
| .field("rx4", &SimpleRRect::rx4) |
| .field("ry4", &SimpleRRect::ry4); |
| |
| value_object<SkIRect>("SkIRect") |
| .field("fLeft", &SkIRect::fLeft) |
| .field("fTop", &SkIRect::fTop) |
| .field("fRight", &SkIRect::fRight) |
| .field("fBottom", &SkIRect::fBottom); |
| |
| value_object<TonalColors>("TonalColors") |
| .field("ambient", &TonalColors::ambientColor) |
| .field("spot", &TonalColors::spotColor); |
| |
| value_object<SimpleImageInfo>("SkImageInfo") |
| .field("width", &SimpleImageInfo::width) |
| .field("height", &SimpleImageInfo::height) |
| .field("colorType", &SimpleImageInfo::colorType) |
| .field("alphaType", &SimpleImageInfo::alphaType); |
| |
| // SkPoints can be represented by [x, y] |
| value_array<SkPoint>("SkPoint") |
| .element(&SkPoint::fX) |
| .element(&SkPoint::fY); |
| |
| // SkPoint3s can be represented by [x, y, z] |
| value_array<SkPoint3>("SkPoint3") |
| .element(&SkPoint3::fX) |
| .element(&SkPoint3::fY) |
| .element(&SkPoint3::fZ); |
| |
| // PosTan can be represented by [px, py, tx, ty] |
| value_array<PosTan>("PosTan") |
| .element(&PosTan::px) |
| .element(&PosTan::py) |
| .element(&PosTan::tx) |
| .element(&PosTan::ty); |
| |
| // {"w": Number, "h", Number} |
| value_object<SkSize>("SkSize") |
| .field("w", &SkSize::fWidth) |
| .field("h", &SkSize::fHeight); |
| |
| value_object<SkISize>("SkISize") |
| .field("w", &SkISize::fWidth) |
| .field("h", &SkISize::fHeight); |
| |
| value_object<StrokeOpts>("StrokeOpts") |
| .field("width", &StrokeOpts::width) |
| .field("miter_limit", &StrokeOpts::miter_limit) |
| .field("join", &StrokeOpts::join) |
| .field("cap", &StrokeOpts::cap) |
| .field("precision", &StrokeOpts::precision); |
| |
| // Allows clients to supply a 1D array of 9 elements and the bindings |
| // will automatically turn it into a 3x3 2D matrix. |
| // e.g. path.transform([0,1,2,3,4,5,6,7,8]) |
| // This is likely simpler for the client than exposing SkMatrix |
| // directly and requiring them to do a lot of .delete(). |
| value_array<SimpleMatrix>("SkMatrix") |
| .element(&SimpleMatrix::scaleX) |
| .element(&SimpleMatrix::skewX) |
| .element(&SimpleMatrix::transX) |
| |
| .element(&SimpleMatrix::skewY) |
| .element(&SimpleMatrix::scaleY) |
| .element(&SimpleMatrix::transY) |
| |
| .element(&SimpleMatrix::pers0) |
| .element(&SimpleMatrix::pers1) |
| .element(&SimpleMatrix::pers2); |
| |
| constant("TRANSPARENT", SK_ColorTRANSPARENT); |
| constant("RED", SK_ColorRED); |
| constant("BLUE", SK_ColorBLUE); |
| constant("YELLOW", SK_ColorYELLOW); |
| constant("CYAN", SK_ColorCYAN); |
| constant("BLACK", SK_ColorBLACK); |
| constant("WHITE", SK_ColorWHITE); |
| // TODO(?) |
| |
| constant("MOVE_VERB", MOVE); |
| constant("LINE_VERB", LINE); |
| constant("QUAD_VERB", QUAD); |
| constant("CONIC_VERB", CONIC); |
| constant("CUBIC_VERB", CUBIC); |
| constant("CLOSE_VERB", CLOSE); |
| |
| constant("SaveLayerInitWithPrevious", SkCanvas::SaveLayerFlagsSet::kInitWithPrevious_SaveLayerFlag); |
| constant("SaveLayerF16ColorType", SkCanvas::SaveLayerFlagsSet::kF16ColorType); |
| |
| } |
