| /* |
| * 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/SkColorSpace.h" |
| #include "include/core/SkData.h" |
| #include "include/core/SkEncodedImageFormat.h" |
| #include "include/core/SkImage.h" |
| #include "include/core/SkImageFilter.h" |
| #include "include/core/SkImageGenerator.h" |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkM44.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/SkPoint3.h" |
| #include "include/core/SkRRect.h" |
| #include "include/core/SkSamplingOptions.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkSerialProcs.h" |
| #include "include/core/SkShader.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkStrokeRec.h" |
| #include "include/core/SkSurface.h" |
| #include "include/core/SkTextBlob.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/core/SkTypes.h" |
| #include "include/core/SkVertices.h" |
| #include "include/effects/Sk1DPathEffect.h" |
| #include "include/effects/Sk2DPathEffect.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/SkPerlinNoiseShader.h" |
| #include "include/effects/SkRuntimeEffect.h" |
| #include "include/effects/SkTrimPathEffect.h" |
| #include "include/private/SkShadowFlags.h" |
| #include "include/utils/SkParsePath.h" |
| #include "include/utils/SkShadowUtils.h" |
| #include "src/core/SkPathPriv.h" |
| #include "src/core/SkResourceCache.h" |
| #include "src/image/SkImage_Base.h" |
| #include "src/sksl/SkSLCompiler.h" |
| |
| #include "modules/canvaskit/WasmCommon.h" |
| #include <emscripten.h> |
| #include <emscripten/bind.h> |
| #include <emscripten/html5.h> |
| |
| #ifdef SK_GL |
| #include "include/gpu/GrBackendSurface.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "include/gpu/gl/GrGLInterface.h" |
| #include "include/gpu/gl/GrGLTypes.h" |
| #include "src/gpu/RefCntedCallback.h" |
| #include "src/gpu/ganesh/GrProxyProvider.h" |
| #include "src/gpu/ganesh/GrRecordingContextPriv.h" |
| #include "src/gpu/ganesh/gl/GrGLDefines_impl.h" |
| |
| #include <webgl/webgl1.h> |
| #endif |
| |
| #ifndef CK_NO_FONTS |
| #include "include/core/SkFont.h" |
| #include "include/core/SkFontMetrics.h" |
| #include "include/core/SkFontMgr.h" |
| #include "include/core/SkFontTypes.h" |
| #ifdef CK_INCLUDE_PARAGRAPH |
| #include "modules/skparagraph/include/Paragraph.h" |
| #endif // CK_INCLUDE_PARAGRAPH |
| #endif // CK_NO_FONTS |
| |
| #ifdef CK_INCLUDE_PATHOPS |
| #include "include/pathops/SkPathOps.h" |
| #endif |
| |
| #if defined(CK_INCLUDE_RUNTIME_EFFECT) && defined(SKSL_ENABLE_TRACING) |
| #include "include/sksl/SkSLDebugTrace.h" |
| #endif |
| |
| #ifndef CK_NO_FONTS |
| sk_sp<SkFontMgr> SkFontMgr_New_Custom_Data(sk_sp<SkData>* datas, int n); |
| #endif |
| |
| struct OptionalMatrix : SkMatrix { |
| OptionalMatrix(WASMPointerF32 mPtr) { |
| if (mPtr) { |
| const SkScalar* nineMatrixValues = reinterpret_cast<const SkScalar*>(mPtr); |
| this->set9(nineMatrixValues); |
| } |
| } |
| }; |
| |
| SkColor4f ptrToSkColor4f(WASMPointerF32 cPtr) { |
| float* fourFloats = reinterpret_cast<float*>(cPtr); |
| SkColor4f color; |
| memcpy(&color, fourFloats, 4 * sizeof(float)); |
| return color; |
| } |
| |
| SkRRect ptrToSkRRect(WASMPointerF32 fPtr) { |
| // In order, these floats should be 4 floats for the rectangle |
| // (left, top, right, bottom) and then 8 floats for the radii |
| // (upper left, upper right, lower right, lower left). |
| const SkScalar* twelveFloats = reinterpret_cast<const SkScalar*>(fPtr); |
| const SkRect rect = reinterpret_cast<const SkRect*>(twelveFloats)[0]; |
| const SkVector* radiiValues = reinterpret_cast<const SkVector*>(twelveFloats + 4); |
| |
| SkRRect rr; |
| rr.setRectRadii(rect, radiiValues); |
| return rr; |
| } |
| |
| // Surface creation structs and helpers |
| struct SimpleImageInfo { |
| int width; |
| int height; |
| SkColorType colorType; |
| SkAlphaType alphaType; |
| sk_sp<SkColorSpace> colorSpace; |
| }; |
| |
| SkImageInfo toSkImageInfo(const SimpleImageInfo& sii) { |
| return SkImageInfo::Make(sii.width, sii.height, sii.colorType, sii.alphaType, |
| sii.colorSpace ? sii.colorSpace : SkColorSpace::MakeSRGB()); |
| } |
| |
| #ifdef SK_GL |
| |
| // Set the pixel format based on the colortype. |
| // These degrees of freedom are removed from canvaskit only to keep the interface simpler. |
| struct ColorSettings { |
| ColorSettings(sk_sp<SkColorSpace> colorSpace) { |
| if (colorSpace == nullptr || colorSpace->isSRGB()) { |
| colorType = kRGBA_8888_SkColorType; |
| pixFormat = GR_GL_RGBA8; |
| } else { |
| colorType = kRGBA_F16_SkColorType; |
| pixFormat = GR_GL_RGBA16F; |
| } |
| }; |
| SkColorType colorType; |
| GrGLenum pixFormat; |
| }; |
| |
| sk_sp<GrDirectContext> MakeGrContext() |
| { |
| // We assume that any calls we make to GL for the remainder of this function will go to the |
| // desired WebGL Context. |
| // setup interface. |
| auto interface = GrGLMakeNativeInterface(); |
| // setup context |
| return GrDirectContext::MakeGL(interface); |
| } |
| |
| sk_sp<SkSurface> MakeOnScreenGLSurface(sk_sp<GrDirectContext> dContext, int width, int height, |
| sk_sp<SkColorSpace> colorSpace) { |
| // WebGL should already be clearing the color and stencil buffers, but do it again here to |
| // ensure Skia receives them in the expected state. |
| emscripten_glBindFramebuffer(GL_FRAMEBUFFER, 0); |
| emscripten_glClearColor(0, 0, 0, 0); |
| emscripten_glClearStencil(0); |
| emscripten_glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); |
| dContext->resetContext(kRenderTarget_GrGLBackendState | kMisc_GrGLBackendState); |
| |
| // The on-screen canvas is FBO 0. Wrap it in a Skia render target so Skia can render to it. |
| GrGLFramebufferInfo info; |
| info.fFBOID = 0; |
| |
| GrGLint sampleCnt; |
| emscripten_glGetIntegerv(GL_SAMPLES, &sampleCnt); |
| |
| GrGLint stencil; |
| emscripten_glGetIntegerv(GL_STENCIL_BITS, &stencil); |
| |
| if (!colorSpace) { |
| colorSpace = SkColorSpace::MakeSRGB(); |
| } |
| |
| const auto colorSettings = ColorSettings(colorSpace); |
| info.fFormat = colorSettings.pixFormat; |
| GrBackendRenderTarget target(width, height, sampleCnt, stencil, info); |
| sk_sp<SkSurface> surface(SkSurface::MakeFromBackendRenderTarget(dContext.get(), target, |
| kBottomLeft_GrSurfaceOrigin, colorSettings.colorType, colorSpace, nullptr)); |
| return surface; |
| } |
| |
| sk_sp<SkSurface> MakeRenderTarget(sk_sp<GrDirectContext> dContext, int width, int height) { |
| SkImageInfo info = SkImageInfo::MakeN32( |
| width, height, SkAlphaType::kPremul_SkAlphaType, SkColorSpace::MakeSRGB()); |
| |
| sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(dContext.get(), |
| SkBudgeted::kYes, |
| info, 0, |
| kBottomLeft_GrSurfaceOrigin, |
| nullptr, true)); |
| return surface; |
| } |
| |
| sk_sp<SkSurface> MakeRenderTarget(sk_sp<GrDirectContext> dContext, SimpleImageInfo sii) { |
| sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(dContext.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 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 ApplyArcToTangent(SkPath& p, SkScalar x1, SkScalar y1, SkScalar x2, SkScalar y2, |
| SkScalar radius) { |
| p.arcTo(x1, y1, x2, y2, radius); |
| } |
| |
| 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 ? SkPathDirection::kCCW : SkPathDirection::kCW; |
| 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 ? SkPathDirection::kCCW : SkPathDirection::kCW; |
| 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); |
| } |
| |
| #ifdef CK_INCLUDE_PATHOPS |
| bool ApplySimplify(SkPath& path) { |
| return Simplify(path, &path); |
| } |
| |
| bool ApplyPathOp(SkPath& pathOne, const SkPath& pathTwo, SkPathOp op) { |
| return Op(pathOne, pathTwo, op, &pathOne); |
| } |
| |
| SkPathOrNull 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(); |
| } |
| |
| SkPathOrNull MakeAsWinding(const SkPath& self) { |
| SkPath out; |
| if (AsWinding(self, &out)) { |
| return emscripten::val(out); |
| } |
| return emscripten::val::null(); |
| } |
| #endif |
| |
| JSString ToSVGString(const SkPath& path) { |
| SkString s; |
| SkParsePath::ToSVGString(path, &s); |
| return emscripten::val(s.c_str()); |
| } |
| |
| SkPathOrNull MakePathFromSVGString(std::string str) { |
| SkPath path; |
| if (SkParsePath::FromSVGString(str.c_str(), &path)) { |
| return emscripten::val(path); |
| } |
| return emscripten::val::null(); |
| } |
| |
| SkPath CopyPath(const SkPath& a) { |
| SkPath copy(a); |
| return copy; |
| } |
| |
| bool 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; |
| |
| Float32Array ToCmds(const SkPath& path) { |
| std::vector<SkScalar> cmds; |
| for (auto [verb, pts, w] : SkPathPriv::Iterate(path)) { |
| switch (verb) { |
| case SkPathVerb::kMove: |
| cmds.insert(cmds.end(), {MOVE, pts[0].x(), pts[0].y()}); |
| break; |
| case SkPathVerb::kLine: |
| cmds.insert(cmds.end(), {LINE, pts[1].x(), pts[1].y()}); |
| break; |
| case SkPathVerb::kQuad: |
| cmds.insert(cmds.end(), {QUAD, pts[1].x(), pts[1].y(), pts[2].x(), pts[2].y()}); |
| break; |
| case SkPathVerb::kConic: |
| cmds.insert(cmds.end(), {CONIC, |
| pts[1].x(), pts[1].y(), |
| pts[2].x(), pts[2].y(), *w}); |
| break; |
| case SkPathVerb::kCubic: |
| cmds.insert(cmds.end(), {CUBIC, |
| pts[1].x(), pts[1].y(), |
| pts[2].x(), pts[2].y(), |
| pts[3].x(), pts[3].y()}); |
| break; |
| case SkPathVerb::kClose: |
| cmds.push_back(CLOSE); |
| break; |
| } |
| } |
| return MakeTypedArray(cmds.size(), (const float*)cmds.data()); |
| } |
| |
| SkPathOrNull MakePathFromCmds(WASMPointerF32 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); |
| } |
| |
| void PathAddVerbsPointsWeights(SkPath& path, WASMPointerU8 verbsPtr, int numVerbs, |
| WASMPointerF32 ptsPtr, int numPts, |
| WASMPointerF32 wtsPtr, int numWts) { |
| const uint8_t* verbs = reinterpret_cast<const uint8_t*>(verbsPtr); |
| const float* pts = reinterpret_cast<const float*>(ptsPtr); |
| const float* weights = reinterpret_cast<const float*>(wtsPtr); |
| |
| #define CHECK_NUM_POINTS(n) \ |
| if ((ptIdx + n) > numPts) { \ |
| SkDebugf("Not enough points to match the verbs. Saw %d points\n", numPts); \ |
| return; \ |
| } |
| #define CHECK_NUM_WEIGHTS(n) \ |
| if ((wtIdx + n) > numWts) { \ |
| SkDebugf("Not enough weights to match the verbs. Saw %d weights\n", numWts); \ |
| return; \ |
| } |
| |
| path.incReserve(numPts); |
| int ptIdx = 0; |
| int wtIdx = 0; |
| for (int v = 0; v < numVerbs; ++v) { |
| switch (verbs[v]) { |
| case MOVE: |
| CHECK_NUM_POINTS(2); |
| path.moveTo(pts[ptIdx], pts[ptIdx+1]); |
| ptIdx += 2; |
| break; |
| case LINE: |
| CHECK_NUM_POINTS(2); |
| path.lineTo(pts[ptIdx], pts[ptIdx+1]); |
| ptIdx += 2; |
| break; |
| case QUAD: |
| CHECK_NUM_POINTS(4); |
| path.quadTo(pts[ptIdx], pts[ptIdx+1], pts[ptIdx+2], pts[ptIdx+3]); |
| ptIdx += 4; |
| break; |
| case CONIC: |
| CHECK_NUM_POINTS(4); |
| CHECK_NUM_WEIGHTS(1); |
| path.conicTo(pts[ptIdx], pts[ptIdx+1], pts[ptIdx+2], pts[ptIdx+3], |
| weights[wtIdx]); |
| ptIdx += 4; |
| wtIdx++; |
| break; |
| case CUBIC: |
| CHECK_NUM_POINTS(6); |
| path.cubicTo(pts[ptIdx ], pts[ptIdx+1], |
| pts[ptIdx+2], pts[ptIdx+3], |
| pts[ptIdx+4], pts[ptIdx+5]); |
| ptIdx += 6; |
| break; |
| case CLOSE: |
| path.close(); |
| break; |
| } |
| } |
| #undef CHECK_NUM_POINTS |
| #undef CHECK_NUM_WEIGHTS |
| } |
| |
| SkPath MakePathFromVerbsPointsWeights(WASMPointerU8 verbsPtr, int numVerbs, |
| WASMPointerF32 ptsPtr, int numPts, |
| WASMPointerF32 wtsPtr, int numWts) { |
| SkPath path; |
| PathAddVerbsPointsWeights(path, verbsPtr, numVerbs, ptsPtr, numPts, wtsPtr, numWts); |
| return 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); |
| } |
| |
| // This function is private, we call it in interface.js |
| void computeTonalColors(WASMPointerF32 cPtrAmbi, WASMPointerF32 cPtrSpot) { |
| // private methods accepting colors take pointers to floats already copied into wasm memory. |
| float* ambiFloats = reinterpret_cast<float*>(cPtrAmbi); |
| float* spotFloats = reinterpret_cast<float*>(cPtrSpot); |
| SkColor4f ambiColor = { ambiFloats[0], ambiFloats[1], ambiFloats[2], ambiFloats[3]}; |
| SkColor4f spotColor = { spotFloats[0], spotFloats[1], spotFloats[2], spotFloats[3]}; |
| |
| // This function takes SkColor |
| SkColor resultAmbi, resultSpot; |
| SkShadowUtils::ComputeTonalColors( |
| ambiColor.toSkColor(), spotColor.toSkColor(), |
| &resultAmbi, &resultSpot); |
| |
| // Convert back to color4f |
| const SkColor4f ambi4f = SkColor4f::FromColor(resultAmbi); |
| const SkColor4f spot4f = SkColor4f::FromColor(resultSpot); |
| |
| // Re-use the caller's allocated memory to hold the result. |
| memcpy(ambiFloats, ambi4f.vec(), 4 * sizeof(SkScalar)); |
| memcpy(spotFloats, spot4f.vec(), 4 * sizeof(SkScalar)); |
| } |
| |
| #ifdef CK_INCLUDE_RUNTIME_EFFECT |
| struct RuntimeEffectUniform { |
| int columns; |
| int rows; |
| int slot; // the index into the uniforms array that this uniform begins. |
| bool isInteger; |
| }; |
| |
| RuntimeEffectUniform fromUniform(const SkRuntimeEffect::Uniform& u) { |
| RuntimeEffectUniform su; |
| su.rows = u.count; // arrayLength |
| su.columns = 1; |
| su.isInteger = false; |
| using Type = SkRuntimeEffect::Uniform::Type; |
| switch (u.type) { |
| case Type::kFloat: break; |
| case Type::kFloat2: su.columns = 2; break; |
| case Type::kFloat3: su.columns = 3; break; |
| case Type::kFloat4: su.columns = 4; break; |
| case Type::kFloat2x2: su.columns = 2; su.rows *= 2; break; |
| case Type::kFloat3x3: su.columns = 3; su.rows *= 3; break; |
| case Type::kFloat4x4: su.columns = 4; su.rows *= 4; break; |
| case Type::kInt: su.isInteger = true; break; |
| case Type::kInt2: su.columns = 2; su.isInteger = true; break; |
| case Type::kInt3: su.columns = 3; su.isInteger = true; break; |
| case Type::kInt4: su.columns = 4; su.isInteger = true; break; |
| } |
| su.slot = u.offset / sizeof(float); |
| return su; |
| } |
| |
| void castUniforms(void* data, size_t dataLen, const SkRuntimeEffect& effect) { |
| if (dataLen != effect.uniformSize()) { |
| // Incorrect number of uniforms. Our code below could read/write off the end of the buffer. |
| // However, shader creation is going to fail anyway, so just do nothing. |
| return; |
| } |
| |
| float* fltData = reinterpret_cast<float*>(data); |
| for (const auto& u : effect.uniforms()) { |
| RuntimeEffectUniform reu = fromUniform(u); |
| if (reu.isInteger) { |
| // The SkSL is expecting integers in the uniform data |
| for (int i = 0; i < reu.columns * reu.rows; ++i) { |
| int numAsInt = static_cast<int>(fltData[reu.slot + i]); |
| fltData[reu.slot + i] = SkBits2Float(numAsInt); |
| } |
| } |
| } |
| } |
| #endif |
| |
| sk_sp<SkData> alwaysSaveTypefaceBytes(SkTypeface* face, void*) { |
| return face->serialize(SkTypeface::SerializeBehavior::kDoIncludeData); |
| } |
| |
| // 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<SkContourMeasure>(SkContourMeasure* ptr) { |
| } |
| |
| template<> |
| void raw_destructor<SkVertices>(SkVertices* ptr) { |
| } |
| |
| #ifndef CK_NO_FONTS |
| template<> |
| void raw_destructor<SkTextBlob>(SkTextBlob* ptr) { |
| } |
| |
| template<> |
| void raw_destructor<SkTypeface>(SkTypeface* ptr) { |
| } |
| #endif |
| } |
| } |
| |
| // toBytes returns a Uint8Array that has a copy of the data in the given SkData. |
| Uint8Array toBytes(sk_sp<SkData> data) { |
| // By making the copy using the JS transliteration, we don't risk the SkData object being |
| // cleaned up before we make the copy. |
| return emscripten::val( |
| // https://emscripten.org/docs/porting/connecting_cpp_and_javascript/embind.html#memory-views |
| typed_memory_view(data->size(), data->bytes()) |
| ).call<Uint8Array>("slice"); // slice with no args makes a copy of the memory view. |
| } |
| |
| #ifdef SK_GL |
| // We need to call into the JS side of things to free webGL contexts. This object will be called |
| // with _setTextureCleanup after CanvasKit loads. The object will have one attribute, |
| // a function called deleteTexture that takes two ints. |
| JSObject textureCleanup = emscripten::val::null(); |
| |
| struct TextureReleaseContext { |
| // This refers to which webgl context, i.e. which surface, owns the texture. We need this |
| // to route the deleteTexture to the right context. |
| uint32_t webglHandle; |
| // This refers to the index of the texture in the complete list of textures. |
| uint32_t texHandle; |
| }; |
| |
| void deleteJSTexture(SkImage::ReleaseContext rc) { |
| auto ctx = reinterpret_cast<TextureReleaseContext*>(rc); |
| textureCleanup.call<void>("deleteTexture", ctx->webglHandle, ctx->texHandle); |
| delete ctx; |
| } |
| |
| class WebGLTextureImageGenerator : public SkImageGenerator { |
| public: |
| WebGLTextureImageGenerator(SkImageInfo ii, JSObject callbackObj): |
| SkImageGenerator(ii), |
| fCallback(callbackObj) {} |
| |
| ~WebGLTextureImageGenerator() { |
| // This cleans up the associated TextureSource that is used to make the texture |
| // (i.e. "makeTexture" below). We expect this destructor to be called when the |
| // SkImage that this Generator belongs to is destroyed. |
| fCallback.call<void>("freeSrc"); |
| } |
| |
| protected: |
| GrSurfaceProxyView onGenerateTexture(GrRecordingContext* ctx, |
| const SkImageInfo& info, |
| const SkIPoint& origin, |
| GrMipmapped mipmapped, |
| GrImageTexGenPolicy texGenPolicy) { |
| if (ctx->backend() != GrBackendApi::kOpenGL) { |
| return {}; |
| } |
| |
| GrGLTextureInfo glInfo; |
| // This callback is defined in gpu.js |
| glInfo.fID = fCallback.call<uint32_t>("makeTexture"); |
| // The format and target should match how we make the texture on the JS side |
| // See the implementation of the makeTexture function. |
| glInfo.fFormat = GR_GL_RGBA8; |
| glInfo.fTarget = GR_GL_TEXTURE_2D; |
| |
| // In order to bind the image source to the texture, makeTexture has changed which |
| // texture is "in focus" for the WebGL context. |
| GrAsDirectContext(ctx)->resetContext(kTextureBinding_GrGLBackendState); |
| |
| static constexpr auto kMipmapped = GrMipmapped::kNo; |
| GrBackendTexture backendTexture(info.width(), info.height(), kMipmapped, glInfo); |
| |
| const GrBackendFormat& format = backendTexture.getBackendFormat(); |
| const GrColorType colorType = SkColorTypeToGrColorType(info.colorType()); |
| if (!ctx->priv().caps()->areColorTypeAndFormatCompatible(colorType, format)) { |
| return {}; |
| } |
| |
| uint32_t webGLCtx = emscripten_webgl_get_current_context(); |
| auto releaseCtx = new TextureReleaseContext{webGLCtx, glInfo.fID}; |
| auto cleanupCallback = skgpu::RefCntedCallback::Make(deleteJSTexture, releaseCtx); |
| |
| sk_sp<GrSurfaceProxy> proxy = ctx->priv().proxyProvider()->wrapBackendTexture( |
| backendTexture, |
| kBorrow_GrWrapOwnership, |
| GrWrapCacheable::kYes, |
| kRead_GrIOType, |
| std::move(cleanupCallback)); |
| if (!proxy) { |
| return {}; |
| } |
| static constexpr auto kOrigin = kTopLeft_GrSurfaceOrigin; |
| skgpu::Swizzle swizzle = ctx->priv().caps()->getReadSwizzle(format, colorType); |
| return GrSurfaceProxyView(std::move(proxy), kOrigin, swizzle); |
| } |
| |
| private: |
| JSObject fCallback; |
| }; |
| |
| // callbackObj has two functions in it, one to create a texture "makeTexture" and one to clean up |
| // the underlying texture source "freeSrc". This way, we can create WebGL textures for each |
| // surface/WebGLContext that the image is used on (we cannot share WebGLTextures across contexts). |
| sk_sp<SkImage> MakeImageFromGenerator(SimpleImageInfo ii, JSObject callbackObj) { |
| auto gen = std::make_unique<WebGLTextureImageGenerator>(toSkImageInfo(ii), callbackObj); |
| return SkImage::MakeFromGenerator(std::move(gen)); |
| } |
| #endif // SK_GL |
| |
| EMSCRIPTEN_BINDINGS(Skia) { |
| #ifdef SK_GL |
| function("_MakeGrContext", &MakeGrContext); |
| function("_MakeOnScreenGLSurface", &MakeOnScreenGLSurface); |
| function("_MakeRenderTargetWH", select_overload<sk_sp<SkSurface>(sk_sp<GrDirectContext>, int, int)>(&MakeRenderTarget)); |
| function("_MakeRenderTargetII", select_overload<sk_sp<SkSurface>(sk_sp<GrDirectContext>, SimpleImageInfo)>(&MakeRenderTarget)); |
| |
| constant("gpu", true); |
| #endif |
| function("getDecodeCacheLimitBytes", &SkResourceCache::GetTotalByteLimit); |
| function("setDecodeCacheLimitBytes", &SkResourceCache::SetTotalByteLimit); |
| function("getDecodeCacheUsedBytes" , &SkResourceCache::GetTotalBytesUsed); |
| |
| function("_computeTonalColors", &computeTonalColors); |
| function("_decodeAnimatedImage", optional_override([](WASMPointerU8 iptr, |
| size_t length)->sk_sp<SkAnimatedImage> { |
| uint8_t* imgData = reinterpret_cast<uint8_t*>(iptr); |
| auto bytes = SkData::MakeFromMalloc(imgData, length); |
| auto aCodec = SkAndroidCodec::MakeFromData(std::move(bytes)); |
| if (nullptr == aCodec) { |
| return nullptr; |
| } |
| |
| return SkAnimatedImage::Make(std::move(aCodec)); |
| }), allow_raw_pointers()); |
| function("_decodeImage", optional_override([](WASMPointerU8 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()); |
| |
| // These won't be called directly, there are corresponding JS helpers to deal with arrays. |
| function("_MakeImage", optional_override([](SimpleImageInfo ii, |
| WASMPointerU8 pPtr, int plen, |
| size_t rowBytes)->sk_sp<SkImage> { |
| 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("_getShadowLocalBounds", optional_override([]( |
| WASMPointerF32 ctmPtr, const SkPath& path, |
| WASMPointerF32 zPlaneParamPtr, WASMPointerF32 lightPosPtr, |
| SkScalar lightRadius, uint32_t flags, WASMPointerF32 outPtr) -> bool { |
| SkMatrix ctm; |
| const SkScalar* nineMatrixValues = reinterpret_cast<const SkScalar*>(ctmPtr); |
| ctm.set9(nineMatrixValues); |
| const SkVector3* zPlaneParams = reinterpret_cast<const SkVector3*>(zPlaneParamPtr); |
| const SkVector3* lightPos = reinterpret_cast<const SkVector3*>(lightPosPtr); |
| SkRect* outputBounds = reinterpret_cast<SkRect*>(outPtr); |
| return SkShadowUtils::GetLocalBounds(ctm, path, *zPlaneParams, *lightPos, lightRadius, |
| flags, outputBounds); |
| })); |
| |
| #ifdef CK_SERIALIZE_SKP |
| function("_MakePicture", optional_override([](WASMPointerU8 dPtr, |
| size_t bytes)->sk_sp<SkPicture> { |
| uint8_t* d = reinterpret_cast<uint8_t*>(dPtr); |
| sk_sp<SkData> data = SkData::MakeFromMalloc(d, bytes); |
| |
| return SkPicture::MakeFromData(data.get(), nullptr); |
| }), allow_raw_pointers()); |
| #endif |
| |
| #ifdef SK_GL |
| class_<GrDirectContext>("GrDirectContext") |
| .smart_ptr<sk_sp<GrDirectContext>>("sk_sp<GrDirectContext>") |
| .function("getResourceCacheLimitBytes", |
| optional_override([](GrDirectContext& self)->size_t { |
| int maxResources = 0;// ignored |
| size_t currMax = 0; |
| self.getResourceCacheLimits(&maxResources, &currMax); |
| return currMax; |
| })) |
| .function("getResourceCacheUsageBytes", |
| optional_override([](GrDirectContext& self)->size_t { |
| int usedResources = 0;// ignored |
| size_t currUsage = 0; |
| self.getResourceCacheUsage(&usedResources, &currUsage); |
| return currUsage; |
| })) |
| .function("releaseResourcesAndAbandonContext", |
| &GrDirectContext::releaseResourcesAndAbandonContext) |
| .function("setResourceCacheLimitBytes", |
| optional_override([](GrDirectContext& self, size_t maxResourceBytes)->void { |
| int maxResources = 0; |
| size_t currMax = 0; // ignored |
| self.getResourceCacheLimits(&maxResources, &currMax); |
| self.setResourceCacheLimits(maxResources, maxResourceBytes); |
| })); |
| |
| // This allows us to give the C++ code a JS callback to delete textures that |
| // have been passed in via makeImageFromTexture and makeImageFromTextureSource. |
| function("_setTextureCleanup", optional_override([](JSObject callbackObj)->void { |
| textureCleanup = callbackObj; |
| })); |
| #endif |
| |
| class_<SkAnimatedImage>("AnimatedImage") |
| .smart_ptr<sk_sp<SkAnimatedImage>>("sk_sp<AnimatedImage>") |
| .function("currentFrameDuration", &SkAnimatedImage::currentFrameDuration) |
| .function("decodeNextFrame", &SkAnimatedImage::decodeNextFrame) |
| .function("getFrameCount", &SkAnimatedImage::getFrameCount) |
| .function("getRepetitionCount", &SkAnimatedImage::getRepetitionCount) |
| .function("height", optional_override([](SkAnimatedImage& self)->int32_t { |
| // getBounds returns an SkRect, but internally, the width and height are ints. |
| return SkScalarFloorToInt(self.getBounds().height()); |
| })) |
| .function("makeImageAtCurrentFrame", &SkAnimatedImage::getCurrentFrame) |
| .function("reset", &SkAnimatedImage::reset) |
| .function("width", optional_override([](SkAnimatedImage& self)->int32_t { |
| return SkScalarFloorToInt(self.getBounds().width()); |
| })); |
| |
| class_<SkCanvas>("Canvas") |
| .constructor<>() |
| .function("_clear", optional_override([](SkCanvas& self, WASMPointerF32 cPtr) { |
| self.clear(ptrToSkColor4f(cPtr)); |
| })) |
| .function("clipPath", select_overload<void (const SkPath&, SkClipOp, bool)>(&SkCanvas::clipPath)) |
| .function("_clipRRect", optional_override([](SkCanvas& self, WASMPointerF32 fPtr, SkClipOp op, bool doAntiAlias) { |
| self.clipRRect(ptrToSkRRect(fPtr), op, doAntiAlias); |
| })) |
| .function("_clipRect", optional_override([](SkCanvas& self, WASMPointerF32 fPtr, SkClipOp op, bool doAntiAlias) { |
| const SkRect* rect = reinterpret_cast<const SkRect*>(fPtr); |
| self.clipRect(*rect, op, doAntiAlias); |
| })) |
| .function("_concat", optional_override([](SkCanvas& self, WASMPointerF32 mPtr) { |
| //TODO(skbug.com/10108): make the JS side be column major. |
| const SkScalar* sixteenMatrixValues = reinterpret_cast<const SkScalar*>(mPtr); |
| SkM44 m = SkM44::RowMajor(sixteenMatrixValues); |
| self.concat(m); |
| })) |
| .function("_drawArc", optional_override([](SkCanvas& self, WASMPointerF32 fPtr, |
| SkScalar startAngle, SkScalar sweepAngle, |
| bool useCenter, const SkPaint& paint) { |
| const SkRect* oval = reinterpret_cast<const SkRect*>(fPtr); |
| self.drawArc(*oval, startAngle, sweepAngle, useCenter, paint); |
| })) |
| .function("_drawAtlasOptions", optional_override([](SkCanvas& self, |
| const sk_sp<SkImage>& atlas, WASMPointerF32 xptr, |
| WASMPointerF32 rptr, WASMPointerU32 cptr, int count, |
| SkBlendMode mode, SkFilterMode filter, SkMipmapMode mipmap, |
| const SkPaint* paint)->void { |
| 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); |
| } |
| SkSamplingOptions sampling(filter, mipmap); |
| self.drawAtlas(atlas.get(), dstXforms, srcRects, colors, count, mode, sampling, |
| nullptr, paint); |
| }), allow_raw_pointers()) |
| .function("_drawAtlasCubic", optional_override([](SkCanvas& self, |
| const sk_sp<SkImage>& atlas, WASMPointerF32 xptr, |
| WASMPointerF32 rptr, WASMPointerU32 cptr, int count, |
| SkBlendMode mode, float B, float C, const SkPaint* paint)->void { |
| 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); |
| } |
| SkSamplingOptions sampling({B, C}); |
| self.drawAtlas(atlas.get(), dstXforms, srcRects, colors, count, mode, sampling, |
| nullptr, paint); |
| }), allow_raw_pointers()) |
| .function("_drawCircle", select_overload<void (SkScalar, SkScalar, SkScalar, const SkPaint& paint)>(&SkCanvas::drawCircle)) |
| .function("_drawColor", optional_override([](SkCanvas& self, WASMPointerF32 cPtr) { |
| self.drawColor(ptrToSkColor4f(cPtr)); |
| })) |
| .function("_drawColor", optional_override([](SkCanvas& self, WASMPointerF32 cPtr, SkBlendMode mode) { |
| self.drawColor(ptrToSkColor4f(cPtr), mode); |
| })) |
| .function("_drawColorInt", optional_override([](SkCanvas& self, SkColor color, SkBlendMode mode) { |
| self.drawColor(color, mode); |
| })) |
| .function("_drawDRRect", optional_override([](SkCanvas& self, WASMPointerF32 outerPtr, |
| WASMPointerF32 innerPtr, const SkPaint& paint) { |
| self.drawDRRect(ptrToSkRRect(outerPtr), ptrToSkRRect(innerPtr), paint); |
| })) |
| .function("_drawGlyphs", optional_override([](SkCanvas& self, |
| int count, |
| WASMPointerU16 glyphs, |
| WASMPointerF32 positions, |
| float x, float y, |
| const SkFont& font, |
| const SkPaint& paint)->void { |
| self.drawGlyphs(count, |
| reinterpret_cast<const uint16_t*>(glyphs), |
| reinterpret_cast<const SkPoint*>(positions), |
| {x, y}, font, paint); |
| })) |
| // TODO: deprecate this version, and require sampling |
| .function("_drawImage", optional_override([](SkCanvas& self, const sk_sp<SkImage>& image, |
| SkScalar x, SkScalar y, const SkPaint* paint) { |
| self.drawImage(image.get(), x, y, SkSamplingOptions(), paint); |
| }), allow_raw_pointers()) |
| .function("_drawImageCubic", optional_override([](SkCanvas& self, const sk_sp<SkImage>& img, |
| SkScalar left, SkScalar top, |
| float B, float C, // See SkSamplingOptions.h for docs. |
| const SkPaint* paint)->void { |
| self.drawImage(img.get(), left, top, SkSamplingOptions({B, C}), paint); |
| }), allow_raw_pointers()) |
| .function("_drawImageOptions", optional_override([](SkCanvas& self, const sk_sp<SkImage>& img, |
| SkScalar left, SkScalar top, |
| SkFilterMode filter, SkMipmapMode mipmap, |
| const SkPaint* paint)->void { |
| self.drawImage(img.get(), left, top, {filter, mipmap}, paint); |
| }), allow_raw_pointers()) |
| |
| .function("_drawImageNine", optional_override([](SkCanvas& self, const sk_sp<SkImage>& image, |
| WASMPointerU32 centerPtr, WASMPointerF32 dstPtr, |
| SkFilterMode filter, const SkPaint* paint)->void { |
| const SkIRect* center = reinterpret_cast<const SkIRect*>(centerPtr); |
| const SkRect* dst = reinterpret_cast<const SkRect*>(dstPtr); |
| |
| self.drawImageNine(image.get(), *center, *dst, filter, paint); |
| }), allow_raw_pointers()) |
| // TODO: deprecate this version, and require sampling |
| .function("_drawImageRect", optional_override([](SkCanvas& self, const sk_sp<SkImage>& image, |
| WASMPointerF32 srcPtr, WASMPointerF32 dstPtr, |
| const SkPaint* paint, bool fastSample)->void { |
| const SkRect* src = reinterpret_cast<const SkRect*>(srcPtr); |
| const SkRect* dst = reinterpret_cast<const SkRect*>(dstPtr); |
| self.drawImageRect(image, *src, *dst, SkSamplingOptions(), paint, |
| fastSample ? SkCanvas::kFast_SrcRectConstraint: |
| SkCanvas::kStrict_SrcRectConstraint); |
| }), allow_raw_pointers()) |
| .function("_drawImageRectCubic", optional_override([](SkCanvas& self, const sk_sp<SkImage>& image, |
| WASMPointerF32 srcPtr, WASMPointerF32 dstPtr, |
| float B, float C, // See SkSamplingOptions.h for docs. |
| const SkPaint* paint)->void { |
| const SkRect* src = reinterpret_cast<const SkRect*>(srcPtr); |
| const SkRect* dst = reinterpret_cast<const SkRect*>(dstPtr); |
| auto constraint = SkCanvas::kStrict_SrcRectConstraint; // TODO: get from caller |
| self.drawImageRect(image.get(), *src, *dst, SkSamplingOptions({B, C}), paint, constraint); |
| }), allow_raw_pointers()) |
| .function("_drawImageRectOptions", optional_override([](SkCanvas& self, const sk_sp<SkImage>& image, |
| WASMPointerF32 srcPtr, WASMPointerF32 dstPtr, |
| SkFilterMode filter, SkMipmapMode mipmap, |
| const SkPaint* paint)->void { |
| const SkRect* src = reinterpret_cast<const SkRect*>(srcPtr); |
| const SkRect* dst = reinterpret_cast<const SkRect*>(dstPtr); |
| auto constraint = SkCanvas::kStrict_SrcRectConstraint; // TODO: get from caller |
| self.drawImageRect(image.get(), *src, *dst, {filter, mipmap}, paint, constraint); |
| }), allow_raw_pointers()) |
| .function("_drawLine", select_overload<void (SkScalar, SkScalar, SkScalar, SkScalar, const SkPaint&)>(&SkCanvas::drawLine)) |
| .function("_drawOval", optional_override([](SkCanvas& self, WASMPointerF32 fPtr, |
| const SkPaint& paint)->void { |
| const SkRect* oval = reinterpret_cast<const SkRect*>(fPtr); |
| self.drawOval(*oval, paint); |
| })) |
| .function("_drawPaint", &SkCanvas::drawPaint) |
| #ifdef CK_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) |
| .function("_drawPatch", optional_override([](SkCanvas& self, |
| WASMPointerF32 cubics, |
| WASMPointerU32 colors, |
| WASMPointerF32 texs, |
| SkBlendMode mode, |
| const SkPaint& paint)->void { |
| self.drawPatch(reinterpret_cast<const SkPoint*>(cubics), |
| reinterpret_cast<const SkColor*>(colors), |
| reinterpret_cast<const SkPoint*>(texs), |
| mode, paint); |
| })) |
| // 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("_drawPoints", optional_override([](SkCanvas& self, SkCanvas::PointMode mode, |
| WASMPointerF32 pptr, |
| int count, SkPaint& paint)->void { |
| const SkPoint* pts = reinterpret_cast<const SkPoint*>(pptr); |
| self.drawPoints(mode, count, pts, paint); |
| })) |
| .function("_drawRRect",optional_override([](SkCanvas& self, WASMPointerF32 fPtr, const SkPaint& paint) { |
| self.drawRRect(ptrToSkRRect(fPtr), paint); |
| })) |
| .function("_drawRect", optional_override([](SkCanvas& self, WASMPointerF32 fPtr, |
| const SkPaint& paint)->void { |
| const SkRect* rect = reinterpret_cast<const SkRect*>(fPtr); |
| self.drawRect(*rect, paint); |
| })) |
| .function("_drawRect4f", optional_override([](SkCanvas& self, SkScalar left, SkScalar top, |
| SkScalar right, SkScalar bottom, |
| const SkPaint& paint)->void { |
| const SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); |
| self.drawRect(rect, paint); |
| })) |
| .function("_drawShadow", optional_override([](SkCanvas& self, const SkPath& path, |
| WASMPointerF32 zPlaneParamPtr, |
| WASMPointerF32 lightPosPtr, |
| SkScalar lightRadius, |
| WASMPointerF32 ambientColorPtr, |
| WASMPointerF32 spotColorPtr, |
| uint32_t flags) { |
| const SkVector3* zPlaneParams = reinterpret_cast<const SkVector3*>(zPlaneParamPtr); |
| const SkVector3* lightPos = reinterpret_cast<const SkVector3*>(lightPosPtr); |
| |
| SkShadowUtils::DrawShadow(&self, path, *zPlaneParams, *lightPos, lightRadius, |
| ptrToSkColor4f(ambientColorPtr).toSkColor(), |
| ptrToSkColor4f(spotColorPtr).toSkColor(), |
| flags); |
| })) |
| #ifndef CK_NO_FONTS |
| .function("_drawSimpleText", optional_override([](SkCanvas& self, WASMPointerU8 sptr, |
| size_t len, SkScalar x, SkScalar y, const SkFont& font, |
| const SkPaint& paint) { |
| 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)) |
| // 4x4 matrix functions |
| // Just like with getTotalMatrix, we allocate the buffer for the 16 floats to go in from |
| // interface.js, so it can also free them when its done. |
| .function("_getLocalToDevice", optional_override([](const SkCanvas& self, WASMPointerF32 mPtr) { |
| SkScalar* sixteenMatrixValues = reinterpret_cast<SkScalar*>(mPtr); |
| if (!sixteenMatrixValues) { |
| return; // matrix cannot be null |
| } |
| SkM44 m = self.getLocalToDevice(); |
| m.getRowMajor(sixteenMatrixValues); |
| })) |
| .function("getSaveCount", &SkCanvas::getSaveCount) |
| // We allocate room for the matrix from the JS side and free it there so as to not have |
| // an awkward moment where we malloc something here and "just know" to free it on the |
| // JS side. |
| .function("_getTotalMatrix", optional_override([](const SkCanvas& self, WASMPointerU8 mPtr) { |
| SkScalar* nineMatrixValues = reinterpret_cast<SkScalar*>(mPtr); |
| if (!nineMatrixValues) { |
| return; // matrix cannot be null |
| } |
| SkMatrix m = self.getTotalMatrix(); |
| m.get9(nineMatrixValues); |
| })) |
| .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, |
| WASMPointerU8 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) |
| .function("_saveLayer", optional_override([](SkCanvas& self, const SkPaint* p, WASMPointerF32 fPtr, |
| const SkImageFilter* backdrop, SkCanvas::SaveLayerFlags flags)->int { |
| SkRect* bounds = reinterpret_cast<SkRect*>(fPtr); |
| return self.saveLayer(SkCanvas::SaveLayerRec(bounds, p, backdrop, flags)); |
| }), allow_raw_pointers()) |
| .function("saveLayerPaint", optional_override([](SkCanvas& self, const SkPaint p)->int { |
| return self.saveLayer(SkCanvas::SaveLayerRec(nullptr, &p, 0)); |
| })) |
| .function("scale", &SkCanvas::scale) |
| .function("skew", &SkCanvas::skew) |
| .function("translate", &SkCanvas::translate) |
| .function("_writePixels", optional_override([](SkCanvas& self, SimpleImageInfo di, |
| WASMPointerU8 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>("ColorFilter") |
| .smart_ptr<sk_sp<SkColorFilter>>("sk_sp<ColorFilter>>") |
| .class_function("_MakeBlend", optional_override([](WASMPointerF32 cPtr, SkBlendMode mode)->sk_sp<SkColorFilter> { |
| return SkColorFilters::Blend(ptrToSkColor4f(cPtr).toSkColor(), mode); |
| })) |
| .class_function("MakeCompose", &SkColorFilters::Compose) |
| .class_function("MakeLerp", &SkColorFilters::Lerp) |
| .class_function("MakeLinearToSRGBGamma", &SkColorFilters::LinearToSRGBGamma) |
| .class_function("_makeMatrix", optional_override([](WASMPointerF32 fPtr) { |
| float* twentyFloats = reinterpret_cast<float*>(fPtr); |
| return SkColorFilters::Matrix(twentyFloats); |
| })) |
| .class_function("MakeSRGBToLinearGamma", &SkColorFilters::SRGBToLinearGamma); |
| |
| class_<SkContourMeasureIter>("ContourMeasureIter") |
| .constructor<const SkPath&, bool, SkScalar>() |
| .function("next", &SkContourMeasureIter::next); |
| |
| class_<SkContourMeasure>("ContourMeasure") |
| .smart_ptr<sk_sp<SkContourMeasure>>("sk_sp<ContourMeasure>>") |
| .function("_getPosTan", optional_override([](SkContourMeasure& self, |
| SkScalar distance, |
| WASMPointerF32 oPtr) -> void { |
| SkPoint* pointAndVector = reinterpret_cast<SkPoint*>(oPtr); |
| if (!self.getPosTan(distance, pointAndVector, pointAndVector + 1)) { |
| SkDebugf("zero-length path in getPosTan\n"); |
| } |
| })) |
| .function("getSegment", optional_override([](SkContourMeasure& self, SkScalar startD, |
| SkScalar stopD, bool startWithMoveTo) -> SkPath { |
| SkPath p; |
| bool ok = self.getSegment(startD, stopD, &p, startWithMoveTo); |
| if (ok) { |
| return p; |
| } |
| return SkPath(); |
| })) |
| .function("isClosed", &SkContourMeasure::isClosed) |
| .function("length", &SkContourMeasure::length); |
| |
| #ifndef CK_NO_FONTS |
| class_<SkFont>("Font") |
| .constructor<>() |
| .constructor<sk_sp<SkTypeface>>() |
| .constructor<sk_sp<SkTypeface>, SkScalar>() |
| .constructor<sk_sp<SkTypeface>, SkScalar, SkScalar, SkScalar>() |
| .function("_getGlyphWidthBounds", optional_override([](SkFont& self, WASMPointerU16 gPtr, |
| int numGlyphs, WASMPointerF32 wPtr, |
| WASMPointerF32 rPtr, |
| SkPaint* paint) { |
| const SkGlyphID* glyphs = reinterpret_cast<const SkGlyphID*>(gPtr); |
| // On the JS side only one of these is set at a time for easier ergonomics. |
| SkRect* outputRects = reinterpret_cast<SkRect*>(rPtr); |
| SkScalar* outputWidths = reinterpret_cast<SkScalar*>(wPtr); |
| self.getWidthsBounds(glyphs, numGlyphs, outputWidths, outputRects, paint); |
| }), allow_raw_pointers()) |
| .function("_getGlyphIDs", optional_override([](SkFont& self, WASMPointerU8 sptr, |
| size_t strLen, size_t expectedCodePoints, |
| WASMPointerU16 iPtr) -> int { |
| char* str = reinterpret_cast<char*>(sptr); |
| SkGlyphID* glyphIDs = reinterpret_cast<SkGlyphID*>(iPtr); |
| |
| int actualCodePoints = self.textToGlyphs(str, strLen, SkTextEncoding::kUTF8, |
| glyphIDs, expectedCodePoints); |
| return actualCodePoints; |
| })) |
| .function("getMetrics", optional_override([](SkFont& self) -> JSObject { |
| SkFontMetrics fm; |
| self.getMetrics(&fm); |
| |
| JSObject j = emscripten::val::object(); |
| j.set("ascent", fm.fAscent); |
| j.set("descent", fm.fDescent); |
| j.set("leading", fm.fLeading); |
| if (!(fm.fFlags & SkFontMetrics::kBoundsInvalid_Flag)) { |
| const float rect[] = { |
| fm.fXMin, fm.fTop, fm.fXMax, fm.fBottom |
| }; |
| j.set("bounds", MakeTypedArray(4, rect)); |
| } |
| return j; |
| })) |
| .function("_getGlyphIntercepts", optional_override([](SkFont& self, |
| WASMPointerU16 gPtr, size_t numGlyphs, bool ownGlyphs, |
| WASMPointerF32 pPtr, size_t numPos, bool ownPos, |
| float top, float bottom) -> Float32Array { |
| JSSpan<uint16_t> glyphs(gPtr, numGlyphs, ownGlyphs); |
| JSSpan<float> pos (pPtr, numPos, ownPos); |
| if (glyphs.size() > (pos.size() >> 1)) { |
| return emscripten::val("Not enough x,y position pairs for glyphs"); |
| } |
| auto sects = self.getIntercepts(glyphs.data(), SkToInt(glyphs.size()), |
| (const SkPoint*)pos.data(), top, bottom); |
| return MakeTypedArray(sects.size(), (const float*)sects.data()); |
| }), allow_raw_pointers()) |
| .function("getScaleX", &SkFont::getScaleX) |
| .function("getSize", &SkFont::getSize) |
| .function("getSkewX", &SkFont::getSkewX) |
| .function("isEmbolden", &SkFont::isEmbolden) |
| .function("getTypeface", &SkFont::getTypeface, allow_raw_pointers()) |
| .function("setEdging", &SkFont::setEdging) |
| .function("setEmbeddedBitmaps", &SkFont::setEmbeddedBitmaps) |
| .function("setHinting", &SkFont::setHinting) |
| .function("setLinearMetrics", &SkFont::setLinearMetrics) |
| .function("setScaleX", &SkFont::setScaleX) |
| .function("setSize", &SkFont::setSize) |
| .function("setSkewX", &SkFont::setSkewX) |
| .function("setEmbolden", &SkFont::setEmbolden) |
| .function("setSubpixel", &SkFont::setSubpixel) |
| .function("setTypeface", &SkFont::setTypeface, allow_raw_pointers()); |
| |
| class_<SkFontMgr>("FontMgr") |
| .smart_ptr<sk_sp<SkFontMgr>>("sk_sp<FontMgr>") |
| .class_function("_fromData", optional_override([](WASMPointerU32 dPtr, |
| WASMPointerU32 sPtr, |
| int numFonts)->sk_sp<SkFontMgr> { |
| auto datas = reinterpret_cast<const uint8_t**>(dPtr); |
| auto sizes = reinterpret_cast<const size_t*>(sPtr); |
| |
| std::unique_ptr<sk_sp<SkData>[]> skdatas(new sk_sp<SkData>[numFonts]); |
| for (int i = 0; i < numFonts; ++i) { |
| skdatas[i] = SkData::MakeFromMalloc(datas[i], sizes[i]); |
| } |
| |
| return SkFontMgr_New_Custom_Data(skdatas.get(), numFonts); |
| }), allow_raw_pointers()) |
| .function("countFamilies", &SkFontMgr::countFamilies) |
| .function("getFamilyName", optional_override([](SkFontMgr& self, int index)->JSString { |
| if (index < 0 || index >= self.countFamilies()) { |
| return emscripten::val::null(); |
| } |
| SkString s; |
| self.getFamilyName(index, &s); |
| return emscripten::val(s.c_str()); |
| })) |
| #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("_makeTypefaceFromData", optional_override([](SkFontMgr& self, |
| WASMPointerU8 fPtr, |
| int flen)->sk_sp<SkTypeface> { |
| uint8_t* font = reinterpret_cast<uint8_t*>(fPtr); |
| sk_sp<SkData> fontData = SkData::MakeFromMalloc(font, flen); |
| |
| return self.makeFromData(fontData); |
| }), allow_raw_pointers()); |
| #endif // CK_NO_FONTS |
| |
| class_<SkImage>("Image") |
| .smart_ptr<sk_sp<SkImage>>("sk_sp<Image>") |
| #ifdef SK_GL |
| .class_function("_makeFromGenerator", &MakeImageFromGenerator) |
| #endif |
| // Note that this needs to be cleaned up with delete(). |
| .function("getColorSpace", optional_override([](sk_sp<SkImage> self)->sk_sp<SkColorSpace> { |
| return self->imageInfo().refColorSpace(); |
| }), allow_raw_pointers()) |
| .function("getImageInfo", optional_override([](sk_sp<SkImage> self)->JSObject { |
| // We cannot return a SimpleImageInfo because the colorspace object would be leaked. |
| JSObject result = emscripten::val::object(); |
| SkImageInfo ii = self->imageInfo(); |
| result.set("alphaType", ii.alphaType()); |
| result.set("colorType", ii.colorType()); |
| result.set("height", ii.height()); |
| result.set("width", ii.width()); |
| return result; |
| })) |
| .function("height", &SkImage::height) |
| .function("encodeToBytes", optional_override([](sk_sp<SkImage> self) -> Uint8Array { |
| sk_sp<SkData> data = self->encodeToData(); |
| if (!data) { |
| return emscripten::val::null(); |
| } |
| return toBytes(data); |
| })) |
| .function("encodeToBytes", optional_override([](sk_sp<SkImage> self, |
| SkEncodedImageFormat fmt, int quality) -> Uint8Array { |
| sk_sp<SkData> data = self->encodeToData(fmt, quality); |
| if (!data) { |
| return emscripten::val::null(); |
| } |
| return toBytes(data); |
| })) |
| .function("makeCopyWithDefaultMipmaps", optional_override([](sk_sp<SkImage> self)->sk_sp<SkImage> { |
| return self->withDefaultMipmaps(); |
| })) |
| .function("_makeShaderCubic", optional_override([](sk_sp<SkImage> self, |
| SkTileMode tx, SkTileMode ty, |
| float B, float C, // See SkSamplingOptions.h for docs. |
| WASMPointerF32 mPtr)->sk_sp<SkShader> { |
| return self->makeShader(tx, ty, SkSamplingOptions({B, C}), OptionalMatrix(mPtr)); |
| }), allow_raw_pointers()) |
| .function("_makeShaderOptions", optional_override([](sk_sp<SkImage> self, |
| SkTileMode tx, SkTileMode ty, |
| SkFilterMode filter, SkMipmapMode mipmap, |
| WASMPointerF32 mPtr)->sk_sp<SkShader> { |
| return self->makeShader(tx, ty, {filter, mipmap}, OptionalMatrix(mPtr)); |
| }), allow_raw_pointers()) |
| .function("_readPixels", optional_override([](sk_sp<SkImage> self, |
| SimpleImageInfo sii, WASMPointerU8 pPtr, |
| size_t dstRowBytes, int srcX, int srcY)->bool { |
| uint8_t* pixels = reinterpret_cast<uint8_t*>(pPtr); |
| SkImageInfo ii = toSkImageInfo(sii); |
| // TODO(adlai) Migrate CanvasKit API to require DirectContext arg here. |
| GrDirectContext* dContext = nullptr; |
| #ifdef SK_GL |
| dContext = GrAsDirectContext(as_IB(self.get())->context()); |
| #endif |
| return self->readPixels(dContext, ii, pixels, dstRowBytes, srcX, srcY); |
| }), allow_raw_pointers()) |
| .function("width", &SkImage::width); |
| |
| class_<SkImageFilter>("ImageFilter") |
| .smart_ptr<sk_sp<SkImageFilter>>("sk_sp<ImageFilter>") |
| .class_function("MakeBlur", optional_override([](SkScalar sigmaX, SkScalar sigmaY, |
| SkTileMode tileMode, sk_sp<SkImageFilter> input)->sk_sp<SkImageFilter> { |
| return SkImageFilters::Blur(sigmaX, sigmaY, tileMode, input); |
| })) |
| .class_function("MakeColorFilter", optional_override([](sk_sp<SkColorFilter> cf, |
| sk_sp<SkImageFilter> input)->sk_sp<SkImageFilter> { |
| return SkImageFilters::ColorFilter(cf, input); |
| })) |
| .class_function("MakeCompose", &SkImageFilters::Compose) |
| .class_function("_MakeMatrixTransformCubic", |
| optional_override([](WASMPointerF32 mPtr, float B, float C, |
| sk_sp<SkImageFilter> input)->sk_sp<SkImageFilter> { |
| OptionalMatrix matr(mPtr); |
| return SkImageFilters::MatrixTransform(matr, SkSamplingOptions({B, C}), input); |
| })) |
| .class_function("_MakeMatrixTransformOptions", |
| optional_override([](WASMPointerF32 mPtr, SkFilterMode fm, SkMipmapMode mm, |
| sk_sp<SkImageFilter> input)->sk_sp<SkImageFilter> { |
| OptionalMatrix matr(mPtr); |
| return SkImageFilters::MatrixTransform(matr, SkSamplingOptions(fm, mm), input); |
| })); |
| |
| class_<SkMaskFilter>("MaskFilter") |
| .smart_ptr<sk_sp<SkMaskFilter>>("sk_sp<MaskFilter>") |
| .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>("Paint") |
| .constructor<>() |
| .function("copy", optional_override([](const SkPaint& self)->SkPaint { |
| SkPaint p(self); |
| return p; |
| })) |
| // provide an allocated place to put the returned color |
| .function("_getColor", optional_override([](SkPaint& self, WASMPointerF32 cPtr)->void { |
| const SkColor4f& c = self.getColor4f(); |
| float* fourFloats = reinterpret_cast<float*>(cPtr); |
| memcpy(fourFloats, c.vec(), 4 * sizeof(SkScalar)); |
| })) |
| .function("getStrokeCap", &SkPaint::getStrokeCap) |
| .function("getStrokeJoin", &SkPaint::getStrokeJoin) |
| .function("getStrokeMiter", &SkPaint::getStrokeMiter) |
| .function("getStrokeWidth", &SkPaint::getStrokeWidth) |
| .function("setAntiAlias", &SkPaint::setAntiAlias) |
| .function("setAlphaf", &SkPaint::setAlphaf) |
| .function("setBlendMode", &SkPaint::setBlendMode) |
| .function("_setColor", optional_override([](SkPaint& self, WASMPointerF32 cPtr, |
| sk_sp<SkColorSpace> colorSpace) { |
| self.setColor(ptrToSkColor4f(cPtr), colorSpace.get()); |
| })) |
| .function("setColorInt", optional_override([](SkPaint& self, SkColor color) { |
| self.setColor(SkColor4f::FromColor(color), nullptr); |
| })) |
| .function("setColorInt", optional_override([](SkPaint& self, SkColor color, |
| sk_sp<SkColorSpace> colorSpace) { |
| self.setColor(SkColor4f::FromColor(color), colorSpace.get()); |
| })) |
| .function("setColorFilter", &SkPaint::setColorFilter) |
| .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_<SkColorSpace>("ColorSpace") |
| .smart_ptr<sk_sp<SkColorSpace>>("sk_sp<ColorSpace>") |
| .class_function("Equals", optional_override([](sk_sp<SkColorSpace> a, sk_sp<SkColorSpace> b)->bool { |
| return SkColorSpace::Equals(a.get(), b.get()); |
| })) |
| // These are private because they are to be called once in interface.js to |
| // avoid clients having to delete the returned objects. |
| .class_function("_MakeSRGB", &SkColorSpace::MakeSRGB) |
| .class_function("_MakeDisplayP3", optional_override([]()->sk_sp<SkColorSpace> { |
| return SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kDisplayP3); |
| })) |
| .class_function("_MakeAdobeRGB", optional_override([]()->sk_sp<SkColorSpace> { |
| return SkColorSpace::MakeRGB(SkNamedTransferFn::k2Dot2, SkNamedGamut::kAdobeRGB); |
| })); |
| |
| class_<SkPathEffect>("PathEffect") |
| .smart_ptr<sk_sp<SkPathEffect>>("sk_sp<PathEffect>") |
| .class_function("MakeCorner", &SkCornerPathEffect::Make) |
| .class_function("_MakeDash", optional_override([](WASMPointerF32 cptr, int count, |
| SkScalar phase)->sk_sp<SkPathEffect> { |
| const float* intervals = reinterpret_cast<const float*>(cptr); |
| return SkDashPathEffect::Make(intervals, count, phase); |
| }), allow_raw_pointers()) |
| .class_function("MakeDiscrete", &SkDiscretePathEffect::Make) |
| .class_function("_MakeLine2D", optional_override([](SkScalar width, |
| WASMPointerF32 mPtr)->sk_sp<SkPathEffect> { |
| SkMatrix matrix; |
| const SkScalar* nineMatrixValues = reinterpret_cast<const SkScalar*>(mPtr); |
| matrix.set9(nineMatrixValues); |
| return SkLine2DPathEffect::Make(width, matrix); |
| }), allow_raw_pointers()) |
| .class_function("MakePath1D", &SkPath1DPathEffect::Make) |
| .class_function("_MakePath2D", optional_override([](WASMPointerF32 mPtr, |
| SkPath path)->sk_sp<SkPathEffect> { |
| SkMatrix matrix; |
| const SkScalar* nineMatrixValues = reinterpret_cast<const SkScalar*>(mPtr); |
| matrix.set9(nineMatrixValues); |
| return SkPath2DPathEffect::Make(matrix, path); |
| }), allow_raw_pointers()); |
| |
| // TODO(kjlubick, reed) Make SkPath immutable and only creatable via a factory/builder. |
| class_<SkPath>("Path") |
| .constructor<>() |
| #ifdef CK_INCLUDE_PATHOPS |
| .class_function("MakeFromOp", &MakePathFromOp) |
| #endif |
| .class_function("MakeFromSVGString", &MakePathFromSVGString) |
| .class_function("_MakeFromCmds", &MakePathFromCmds) |
| .class_function("_MakeFromVerbsPointsWeights", &MakePathFromVerbsPointsWeights) |
| .function("_addArc", optional_override([](SkPath& self, |
| WASMPointerF32 fPtr, |
| SkScalar startAngle, SkScalar sweepAngle)->void { |
| const SkRect* oval = reinterpret_cast<const SkRect*>(fPtr); |
| self.addArc(*oval, startAngle, sweepAngle); |
| })) |
| .function("_addOval", optional_override([](SkPath& self, |
| WASMPointerF32 fPtr, |
| bool ccw, unsigned start)->void { |
| const SkRect* oval = reinterpret_cast<const SkRect*>(fPtr); |
| self.addOval(*oval, ccw ? SkPathDirection::kCCW : SkPathDirection::kCW, start); |
| })) |
| // interface.js has 3 overloads of addPath |
| .function("_addPath", &ApplyAddPath) |
| .function("_addPoly", optional_override([](SkPath& self, |
| WASMPointerF32 fPtr, |
| int count, bool close)->void { |
| const SkPoint* pts = reinterpret_cast<const SkPoint*>(fPtr); |
| self.addPoly(pts, count, close); |
| })) |
| .function("_addRect", optional_override([](SkPath& self, |
| WASMPointerF32 fPtr, |
| bool ccw)->void { |
| const SkRect* rect = reinterpret_cast<const SkRect*>(fPtr); |
| self.addRect(*rect, ccw ? SkPathDirection::kCCW : SkPathDirection::kCW); |
| })) |
| .function("_addRRect", optional_override([](SkPath& self, |
| WASMPointerF32 fPtr, |
| bool ccw)->void { |
| self.addRRect(ptrToSkRRect(fPtr), ccw ? SkPathDirection::kCCW : SkPathDirection::kCW); |
| })) |
| .function("_addVerbsPointsWeights", &PathAddVerbsPointsWeights) |
| .function("_arcToOval", optional_override([](SkPath& self, |
| WASMPointerF32 fPtr, SkScalar startAngle, |
| SkScalar sweepAngle, bool forceMoveTo)->void { |
| const SkRect* oval = reinterpret_cast<const SkRect*>(fPtr); |
| self.arcTo(*oval, startAngle, sweepAngle, forceMoveTo); |
| })) |
| .function("_arcToRotated", &ApplyArcToArcSize) |
| .function("_arcToTangent", ApplyArcToTangent) |
| .function("_close", &ApplyClose) |
| .function("_conicTo", &ApplyConicTo) |
| .function("countPoints", &SkPath::countPoints) |
| .function("contains", &SkPath::contains) |
| .function("_cubicTo", &ApplyCubicTo) |
| .function("_getPoint", optional_override([](SkPath& self, int index, |
| WASMPointerF32 oPtr)->void { |
| SkPoint* output = reinterpret_cast<SkPoint*>(oPtr); |
| *output = self.getPoint(index); |
| })) |
| .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) |
| |
| #ifdef CK_INCLUDE_PATHOPS |
| // PathOps |
| .function("_simplify", &ApplySimplify) |
| .function("_op", &ApplyPathOp) |
| .function("makeAsWinding", &MakeAsWinding) |
| #endif |
| // Exporting |
| .function("toSVGString", &ToSVGString) |
| .function("toCmds", &ToCmds) |
| |
| .function("setFillType", select_overload<void(SkPathFillType)>(&SkPath::setFillType)) |
| .function("getFillType", &SkPath::getFillType) |
| .function("_getBounds", optional_override([](SkPath& self, |
| WASMPointerF32 fPtr)->void { |
| SkRect* output = reinterpret_cast<SkRect*>(fPtr); |
| output[0] = self.getBounds(); |
| })) |
| .function("_computeTightBounds", optional_override([](SkPath& self, |
| WASMPointerF32 fPtr)->void { |
| SkRect* output = reinterpret_cast<SkRect*>(fPtr); |
| output[0] = self.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_<SkPictureRecorder>("PictureRecorder") |
| .constructor<>() |
| .function("_beginRecording", optional_override([](SkPictureRecorder& self, |
| WASMPointerF32 fPtr) -> SkCanvas* { |
| SkRect* bounds = reinterpret_cast<SkRect*>(fPtr); |
| return self.beginRecording(*bounds, nullptr); |
| }), allow_raw_pointers()) |
| .function("finishRecordingAsPicture", optional_override([](SkPictureRecorder& self) |
| -> sk_sp<SkPicture> { |
| return self.finishRecordingAsPicture(); |
| }), allow_raw_pointers()); |
| |
| class_<SkPicture>("Picture") |
| .smart_ptr<sk_sp<SkPicture>>("sk_sp<Picture>") |
| .function("_makeShader", optional_override([](SkPicture& self, |
| SkTileMode tmx, SkTileMode tmy, SkFilterMode mode, |
| WASMPointerF32 mPtr, WASMPointerF32 rPtr) -> sk_sp<SkShader> { |
| OptionalMatrix localMatrix(mPtr); |
| SkRect* tileRect = reinterpret_cast<SkRect*>(rPtr); |
| return self.makeShader(tmx, tmy, mode, &localMatrix, tileRect); |
| }), allow_raw_pointers()) |
| #ifdef CK_SERIALIZE_SKP |
| // The serialized format of an SkPicture (informally called an "skp"), is not something |
| // that clients should ever rely on. The format may change at anytime and no promises |
| // are made for backwards or forward compatibility. |
| .function("serialize", optional_override([](SkPicture& self) -> Uint8Array { |
| // We want to make sure we always save the underlying data of the Typeface to the |
| // SkPicture. By default, the data for "system" fonts is not saved, just an identifier |
| // (e.g. the family name and style). We do not want the user to have to supply a |
| // FontMgr with the correct fonts by name when deserializing, so we choose to always |
| // serialize the underlying data. This makes the SKPs a bit bigger, but easier to use. |
| SkSerialProcs sp; |
| sp.fTypefaceProc = &alwaysSaveTypefaceBytes; |
| |
| sk_sp<SkData> data = self.serialize(&sp); |
| if (!data) { |
| return emscripten::val::null(); |
| } |
| return toBytes(data); |
| }), allow_raw_pointers()) |
| #endif |
| ; |
| |
| class_<SkShader>("Shader") |
| .smart_ptr<sk_sp<SkShader>>("sk_sp<Shader>") |
| .class_function("MakeBlend", select_overload<sk_sp<SkShader>(SkBlendMode, sk_sp<SkShader>, sk_sp<SkShader>)>(&SkShaders::Blend)) |
| .class_function("_MakeColor", |
| optional_override([](WASMPointerF32 cPtr, sk_sp<SkColorSpace> colorSpace)->sk_sp<SkShader> { |
| return SkShaders::Color(ptrToSkColor4f(cPtr), colorSpace); |
| }) |
| ) |
| .class_function("MakeFractalNoise", optional_override([]( |
| SkScalar baseFreqX, SkScalar baseFreqY, |
| int numOctaves, SkScalar seed, |
| int tileW, int tileH)->sk_sp<SkShader> { |
| // if tileSize is empty (e.g. tileW <= 0 or tileH <= 0, it will be ignored. |
| SkISize tileSize = SkISize::Make(tileW, tileH); |
| return SkPerlinNoiseShader::MakeFractalNoise(baseFreqX, baseFreqY, |
| numOctaves, seed, &tileSize); |
| })) |
| // Here and in other gradient functions, cPtr is a pointer to an array of data |
| // representing colors. whether this is an array of SkColor or SkColor4f is indicated |
| // by the colorType argument. Only RGBA_8888 and RGBA_F32 are accepted. |
| .class_function("_MakeLinearGradient", optional_override([]( |
| WASMPointerF32 fourFloatsPtr, |
| WASMPointerF32 cPtr, SkColorType colorType, |
| WASMPointerF32 pPtr, |
| int count, SkTileMode mode, uint32_t flags, |
| WASMPointerF32 mPtr, |
| sk_sp<SkColorSpace> colorSpace)->sk_sp<SkShader> { |
| const SkPoint* points = reinterpret_cast<const SkPoint*>(fourFloatsPtr); |
| const SkScalar* positions = reinterpret_cast<const SkScalar*>(pPtr); |
| OptionalMatrix localMatrix(mPtr); |
| |
| if (colorType == SkColorType::kRGBA_F32_SkColorType) { |
| const SkColor4f* colors = reinterpret_cast<const SkColor4f*>(cPtr); |
| return SkGradientShader::MakeLinear(points, colors, colorSpace, positions, count, |
| mode, flags, &localMatrix); |
| } else if (colorType == SkColorType::kRGBA_8888_SkColorType) { |
| const SkColor* colors = reinterpret_cast<const SkColor*>(cPtr); |
| return SkGradientShader::MakeLinear(points, colors, positions, count, |
| mode, flags, &localMatrix); |
| } |
| SkDebugf("%d is not an accepted colorType\n", colorType); |
| return nullptr; |
| }), allow_raw_pointers()) |
| .class_function("_MakeRadialGradient", optional_override([]( |
| SkScalar cx, SkScalar cy, SkScalar radius, |
| WASMPointerF32 cPtr, SkColorType colorType, |
| WASMPointerF32 pPtr, |
| int count, SkTileMode mode, uint32_t flags, |
| WASMPointerF32 mPtr, |
| sk_sp<SkColorSpace> colorSpace)->sk_sp<SkShader> { |
| const SkScalar* positions = reinterpret_cast<const SkScalar*>(pPtr); |
| OptionalMatrix localMatrix(mPtr); |
| if (colorType == SkColorType::kRGBA_F32_SkColorType) { |
| const SkColor4f* colors = reinterpret_cast<const SkColor4f*>(cPtr); |
| return SkGradientShader::MakeRadial({cx, cy}, radius, colors, colorSpace, |
| positions, count, mode, flags, &localMatrix); |
| } else if (colorType == SkColorType::kRGBA_8888_SkColorType) { |
| const SkColor* colors = reinterpret_cast<const SkColor*>(cPtr); |
| return SkGradientShader::MakeRadial({cx, cy}, radius, colors, positions, |
| count, mode, flags, &localMatrix); |
| } |
| SkDebugf("%d is not an accepted colorType\n", colorType); |
| return nullptr; |
| }), allow_raw_pointers()) |
| .class_function("_MakeSweepGradient", optional_override([](SkScalar cx, SkScalar cy, |
| WASMPointerF32 cPtr, SkColorType colorType, |
| WASMPointerF32 pPtr, |
| int count, SkTileMode mode, |
| SkScalar startAngle, SkScalar endAngle, |
| uint32_t flags, |
| WASMPointerF32 mPtr, |
| sk_sp<SkColorSpace> colorSpace)->sk_sp<SkShader> { |
| const SkScalar* positions = reinterpret_cast<const SkScalar*>(pPtr); |
| OptionalMatrix localMatrix(mPtr); |
| if (colorType == SkColorType::kRGBA_F32_SkColorType) { |
| const SkColor4f* colors = reinterpret_cast<const SkColor4f*>(cPtr); |
| return SkGradientShader::MakeSweep(cx, cy, colors, colorSpace, positions, count, |
| mode, startAngle, endAngle, flags, |
| &localMatrix); |
| } else if (colorType == SkColorType::kRGBA_8888_SkColorType) { |
| const SkColor* colors = reinterpret_cast<const SkColor*>(cPtr); |
| return SkGradientShader::MakeSweep(cx, cy, colors, positions, count, |
| mode, startAngle, endAngle, flags, |
| &localMatrix); |
| } |
| SkDebugf("%d is not an accepted colorType\n", colorType); |
| return nullptr; |
| }), allow_raw_pointers()) |
| .class_function("MakeTurbulence", optional_override([]( |
| SkScalar baseFreqX, SkScalar baseFreqY, |
| int numOctaves, SkScalar seed, |
| int tileW, int tileH)->sk_sp<SkShader> { |
| // if tileSize is empty (e.g. tileW <= 0 or tileH <= 0, it will be ignored. |
| SkISize tileSize = SkISize::Make(tileW, tileH); |
| return SkPerlinNoiseShader::MakeTurbulence(baseFreqX, baseFreqY, |
| numOctaves, seed, &tileSize); |
| })) |
| .class_function("_MakeTwoPointConicalGradient", optional_override([]( |
| WASMPointerF32 fourFloatsPtr, |
| SkScalar startRadius, SkScalar endRadius, |
| WASMPointerF32 cPtr, SkColorType colorType, |
| WASMPointerF32 pPtr, |
| int count, SkTileMode mode, uint32_t flags, |
| WASMPointerF32 mPtr, |
| sk_sp<SkColorSpace> colorSpace)->sk_sp<SkShader> { |
| const SkPoint* startAndEnd = reinterpret_cast<const SkPoint*>(fourFloatsPtr); |
| const SkScalar* positions = reinterpret_cast<const SkScalar*>(pPtr); |
| OptionalMatrix localMatrix(mPtr); |
| |
| if (colorType == SkColorType::kRGBA_F32_SkColorType) { |
| const SkColor4f* colors = reinterpret_cast<const SkColor4f*>(cPtr); |
| return SkGradientShader::MakeTwoPointConical(startAndEnd[0], startRadius, |
| startAndEnd[1], endRadius, |
| colors, colorSpace, positions, count, mode, |
| flags, &localMatrix); |
| } else if (colorType == SkColorType::kRGBA_8888_SkColorType) { |
| const SkColor* colors = reinterpret_cast<const SkColor*>(cPtr); |
| return SkGradientShader::MakeTwoPointConical(startAndEnd[0], startRadius, |
| startAndEnd[1], endRadius, |
| colors, positions, count, mode, |
| flags, &localMatrix); |
| } |
| SkDebugf("%d is not an accepted colorType\n", colorType); |
| return nullptr; |
| }), allow_raw_pointers()); |
| |
| #ifdef CK_INCLUDE_RUNTIME_EFFECT |
| #ifdef SKSL_ENABLE_TRACING |
| class_<SkSL::DebugTrace>("DebugTrace") |
| .smart_ptr<sk_sp<SkSL::DebugTrace>>("sk_sp<DebugTrace>") |
| .function("writeTrace", optional_override([](SkSL::DebugTrace& self) -> std::string { |
| SkDynamicMemoryWStream wstream; |
| self.writeTrace(&wstream); |
| sk_sp<SkData> trace = wstream.detachAsData(); |
| return std::string(reinterpret_cast<const char*>(trace->bytes()), trace->size()); |
| })); |
| |
| value_object<SkRuntimeEffect::TracedShader>("TracedShader") |
| .field("shader", &SkRuntimeEffect::TracedShader::shader) |
| .field("debugTrace", &SkRuntimeEffect::TracedShader::debugTrace); |
| #endif |
| |
| class_<SkRuntimeEffect>("RuntimeEffect") |
| .smart_ptr<sk_sp<SkRuntimeEffect>>("sk_sp<RuntimeEffect>") |
| .class_function("_Make", optional_override([](std::string sksl, |
| emscripten::val errHandler |
| )->sk_sp<SkRuntimeEffect> { |
| SkString s(sksl.c_str(), sksl.length()); |
| auto [effect, errorText] = SkRuntimeEffect::MakeForShader(s); |
| if (!effect) { |
| errHandler.call<void>("onError", val(errorText.c_str())); |
| return nullptr; |
| } |
| return effect; |
| })) |
| #ifdef SKSL_ENABLE_TRACING |
| .class_function("MakeTraced", optional_override([]( |
| sk_sp<SkShader> shader, |
| int traceCoordX, |
| int traceCoordY) -> SkRuntimeEffect::TracedShader { |
| return SkRuntimeEffect::MakeTraced(shader, SkIPoint::Make(traceCoordX, traceCoordY)); |
| })) |
| #endif |
| .function("_makeShader", optional_override([](SkRuntimeEffect& self, |
| WASMPointerF32 fPtr, |
| size_t fLen, |
| WASMPointerF32 mPtr)->sk_sp<SkShader> { |
| void* inputData = reinterpret_cast<void*>(fPtr); |
| castUniforms(inputData, fLen, self); |
| sk_sp<SkData> inputs = SkData::MakeFromMalloc(inputData, fLen); |
| |
| OptionalMatrix localMatrix(mPtr); |
| return self.makeShader(inputs, nullptr, 0, &localMatrix); |
| })) |
| .function("_makeShaderWithChildren", optional_override([](SkRuntimeEffect& self, |
| WASMPointerF32 fPtr, |
| size_t fLen, |
| WASMPointerU32 cPtrs, |
| size_t cLen, |
| WASMPointerF32 mPtr)->sk_sp<SkShader> { |
| void* inputData = reinterpret_cast<void*>(fPtr); |
| castUniforms(inputData, fLen, self); |
| sk_sp<SkData> inputs = SkData::MakeFromMalloc(inputData, fLen); |
| |
| sk_sp<SkShader>* children = new sk_sp<SkShader>[cLen]; |
| SkShader** childrenPtrs = reinterpret_cast<SkShader**>(cPtrs); |
| for (size_t i = 0; i < cLen; i++) { |
| // This bare pointer was already part of an sk_sp (owned outside of here), |
| // so we want to ref the new sk_sp so makeShader doesn't clean it up. |
| children[i] = sk_ref_sp<SkShader>(childrenPtrs[i]); |
| } |
| OptionalMatrix localMatrix(mPtr); |
| auto s = self.makeShader(inputs, children, cLen, &localMatrix); |
| delete[] children; |
| return s; |
| })) |
| .function("getUniformCount", optional_override([](SkRuntimeEffect& self)->int { |
| return self.uniforms().size(); |
| })) |
| .function("getUniformFloatCount", optional_override([](SkRuntimeEffect& self)->int { |
| return self.uniformSize() / sizeof(float); |
| })) |
| .function("getUniformName", optional_override([](SkRuntimeEffect& self, int i)->JSString { |
| auto it = self.uniforms().begin() + i; |
| return emscripten::val(it->name.c_str()); |
| })) |
| .function("getUniform", optional_override([](SkRuntimeEffect& self, int i)->RuntimeEffectUniform { |
| auto it = self.uniforms().begin() + i; |
| RuntimeEffectUniform su = fromUniform(*it); |
| return su; |
| })); |
| |
| value_object<RuntimeEffectUniform>("RuntimeEffectUniform") |
| .field("columns", &RuntimeEffectUniform::columns) |
| .field("rows", &RuntimeEffectUniform::rows) |
| .field("slot", &RuntimeEffectUniform::slot) |
| .field("isInteger", &RuntimeEffectUniform::isInteger); |
| |
| constant("rt_effect", true); |
| #endif |
| |
| class_<SkSurface>("Surface") |
| .smart_ptr<sk_sp<SkSurface>>("sk_sp<Surface>") |
| .class_function("_makeRasterDirect", optional_override([](const SimpleImageInfo ii, |
| WASMPointerU8 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("_flush", optional_override([](SkSurface& self) { |
| self.flushAndSubmit(false); |
| })) |
| .function("_getCanvas", &SkSurface::getCanvas, allow_raw_pointers()) |
| .function("imageInfo", optional_override([](SkSurface& self)->SimpleImageInfo { |
| const auto& ii = self.imageInfo(); |
| return {ii.width(), ii.height(), ii.colorType(), ii.alphaType(), ii.refColorSpace()}; |
| })) |
| .function("height", &SkSurface::height) |
| #ifdef SK_GL |
| .function("_makeImageFromTexture", optional_override([](SkSurface& self, |
| uint32_t webglHandle, uint32_t texHandle, |
| SimpleImageInfo ii)->sk_sp<SkImage> { |
| auto releaseCtx = new TextureReleaseContext{webglHandle, texHandle}; |
| GrGLTextureInfo gti = {GR_GL_TEXTURE_2D, texHandle, |
| GR_GL_RGBA8}; // TODO(kjlubick) look at ii for this |
| GrBackendTexture gbt(ii.width, ii.height, GrMipmapped::kNo, gti); |
| auto dContext = GrAsDirectContext(self.getCanvas()->recordingContext()); |
| |
| return SkImage::MakeFromTexture( |
| dContext, |
| gbt, |
| GrSurfaceOrigin::kTopLeft_GrSurfaceOrigin, |
| ii.colorType, |
| ii.alphaType, |
| ii.colorSpace, |
| deleteJSTexture, |
| releaseCtx); |
| })) |
| #endif |
| .function("_makeImageSnapshot", optional_override([](SkSurface& self, WASMPointerU32 iPtr)->sk_sp<SkImage> { |
| SkIRect* bounds = reinterpret_cast<SkIRect*>(iPtr); |
| if (!bounds) { |
| return self.makeImageSnapshot(); |
| } |
| return self.makeImageSnapshot(*bounds); |
| })) |
| .function("_makeSurface", optional_override([](SkSurface& self, SimpleImageInfo sii)->sk_sp<SkSurface> { |
| return self.makeSurface(toSkImageInfo(sii)); |
| }), allow_raw_pointers()) |
| #ifdef SK_GL |
| .function("reportBackendTypeIsGPU", optional_override([](SkSurface& self) -> bool { |
| return self.getCanvas()->recordingContext() != nullptr; |
| })) |
| .function("sampleCnt", optional_override([](SkSurface& self)->int { |
| auto backendRT = self.getBackendRenderTarget(SkSurface::kFlushRead_BackendHandleAccess); |
| return (backendRT.isValid()) ? backendRT.sampleCnt() : 0; |
| })) |
| .function("_resetContext",optional_override([](SkSurface& self)->void { |
| GrAsDirectContext(self.recordingContext())->resetContext(kTextureBinding_GrGLBackendState); |
| })) |
| #else |
| .function("reportBackendTypeIsGPU", optional_override([](SkSurface& self) -> bool { |
| return false; |
| })) |
| #endif |
| .function("width", &SkSurface::width); |
| |
| #ifndef CK_NO_FONTS |
| class_<SkTextBlob>("TextBlob") |
| .smart_ptr<sk_sp<SkTextBlob>>("sk_sp<TextBlob>") |
| .class_function("_MakeFromRSXform", optional_override([](WASMPointerU8 sptr, |
| size_t strBtyes, |
| WASMPointerF32 xptr, |
| const SkFont& font)->sk_sp<SkTextBlob> { |
| const char* str = reinterpret_cast<const char*>(sptr); |
| const SkRSXform* xforms = reinterpret_cast<const SkRSXform*>(xptr); |
| |
| return SkTextBlob::MakeFromRSXform(str, strBtyes, xforms, font, SkTextEncoding::kUTF8); |
| }), allow_raw_pointers()) |
| .class_function("_MakeFromRSXformGlyphs", optional_override([](WASMPointerU16 gPtr, |
| size_t byteLen, |
| WASMPointerF32 xptr, |
| const SkFont& font)->sk_sp<SkTextBlob> { |
| const SkGlyphID* glyphs = reinterpret_cast<const SkGlyphID*>(gPtr); |
| const SkRSXform* xforms = reinterpret_cast<const SkRSXform*>(xptr); |
| |
| return SkTextBlob::MakeFromRSXform(glyphs, byteLen, xforms, font, SkTextEncoding::kGlyphID); |
| }), allow_raw_pointers()) |
| .class_function("_MakeFromText", optional_override([](WASMPointerU8 sptr, |
| size_t len, const SkFont& font)->sk_sp<SkTextBlob> { |
| const char* str = reinterpret_cast<const char*>(sptr); |
| return SkTextBlob::MakeFromText(str, len, font, SkTextEncoding::kUTF8); |
| }), allow_raw_pointers()) |
| .class_function("_MakeFromGlyphs", optional_override([](WASMPointerU16 gPtr, |
| size_t byteLen, const SkFont& font)->sk_sp<SkTextBlob> { |
| const SkGlyphID* glyphs = reinterpret_cast<const SkGlyphID*>(gPtr); |
| return SkTextBlob::MakeFromText(glyphs, byteLen, font, SkTextEncoding::kGlyphID); |
| }), allow_raw_pointers()); |
| |
| class_<SkTypeface>("Typeface") |
| .smart_ptr<sk_sp<SkTypeface>>("sk_sp<Typeface>") |
| .class_function("_MakeFreeTypeFaceFromData", optional_override([](WASMPointerU8 fPtr, |
| int flen)->sk_sp<SkTypeface> { |
| uint8_t* font = reinterpret_cast<uint8_t*>(fPtr); |
| sk_sp<SkData> fontData = SkData::MakeFromMalloc(font, flen); |
| |
| return SkFontMgr::RefDefault()->makeFromData(fontData); |
| }), allow_raw_pointers()) |
| .function("_getGlyphIDs", optional_override([](SkTypeface& self, WASMPointerU8 sptr, |
| size_t strLen, size_t expectedCodePoints, |
| WASMPointerU16 iPtr) -> int { |
| char* str = reinterpret_cast<char*>(sptr); |
| SkGlyphID* glyphIDs = reinterpret_cast<SkGlyphID*>(iPtr); |
| |
| int actualCodePoints = self.textToGlyphs(str, strLen, SkTextEncoding::kUTF8, |
| glyphIDs, expectedCodePoints); |
| return actualCodePoints; |
| })); |
| #endif |
| |
| class_<SkVertices>("Vertices") |
| .smart_ptr<sk_sp<SkVertices>>("sk_sp<Vertices>") |
| .function("_bounds", optional_override([](SkVertices& self, |
| WASMPointerF32 fPtr)->void { |
| SkRect* output = reinterpret_cast<SkRect*>(fPtr); |
| output[0] = self.bounds(); |
| })) |
| .function("uniqueID", &SkVertices::uniqueID); |
| |
| // Not intended to be called directly by clients |
| class_<SkVertices::Builder>("_VerticesBuilder") |
| .constructor<SkVertices::VertexMode, int, int, uint32_t>() |
| .function("colors", optional_override([](SkVertices::Builder& self)->WASMPointerF32{ |
| // Emscripten won't let us return bare pointers, but we can return ints just fine. |
| return reinterpret_cast<WASMPointerF32>(self.colors()); |
| })) |
| .function("detach", &SkVertices::Builder::detach) |
| .function("indices", optional_override([](SkVertices::Builder& self)->WASMPointerU16{ |
| // Emscripten won't let us return bare pointers, but we can return ints just fine. |
| return reinterpret_cast<WASMPointerU16>(self.indices()); |
| })) |
| .function("positions", optional_override([](SkVertices::Builder& self)->WASMPointerF32{ |
| // Emscripten won't let us return bare pointers, but we can return ints just fine. |
| return reinterpret_cast<WASMPointerF32>(self.positions()); |
| })) |
| .function("texCoords", optional_override([](SkVertices::Builder& self)->WASMPointerF32{ |
| // Emscripten won't let us return bare pointers, but we can return ints just fine. |
| return reinterpret_cast<WASMPointerF32>(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("RGBA_8888", SkColorType::kRGBA_8888_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); |
| |
| enum_<SkPathFillType>("FillType") |
| .value("Winding", SkPathFillType::kWinding) |
| .value("EvenOdd", SkPathFillType::kEvenOdd); |
| |
| enum_<SkFilterMode>("FilterMode") |
| .value("Nearest", SkFilterMode::kNearest) |
| .value("Linear", SkFilterMode::kLinear); |
| |
| // Only used to control the encode function. |
| // TODO(kjlubick): compile these out when the appropriate encoder is disabled. |
| enum_<SkEncodedImageFormat>("ImageFormat") |
| .value("PNG", SkEncodedImageFormat::kPNG) |
| .value("JPEG", SkEncodedImageFormat::kJPEG) |
| .value("WEBP", SkEncodedImageFormat::kWEBP); |
| |
| enum_<SkMipmapMode>("MipmapMode") |
| .value("None", SkMipmapMode::kNone) |
| .value("Nearest", SkMipmapMode::kNearest) |
| .value("Linear", SkMipmapMode::kLinear); |
| |
| enum_<SkPaint::Style>("PaintStyle") |
| .value("Fill", SkPaint::Style::kFill_Style) |
| .value("Stroke", SkPaint::Style::kStroke_Style); |
| |
| enum_<SkPath1DPathEffect::Style>("Path1DEffect") |
| .value("Translate", SkPath1DPathEffect::Style::kTranslate_Style) |
| .value("Rotate", SkPath1DPathEffect::Style::kRotate_Style) |
| .value("Morph", SkPath1DPathEffect::Style::kMorph_Style); |
| |
| #ifdef CK_INCLUDE_PATHOPS |
| 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); |
| #endif |
| |
| enum_<SkCanvas::PointMode>("PointMode") |
| .value("Points", SkCanvas::PointMode::kPoints_PointMode) |
| .value("Lines", SkCanvas::PointMode::kLines_PointMode) |
| .value("Polygon", SkCanvas::PointMode::kPolygon_PointMode); |
| |
| 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); |
| |
| #ifndef CK_NO_FONTS |
| enum_<SkFontHinting>("FontHinting") |
| .value("None", SkFontHinting::kNone) |
| .value("Slight", SkFontHinting::kSlight) |
| .value("Normal", SkFontHinting::kNormal) |
| .value("Full", SkFontHinting::kFull); |
| |
| enum_<SkFont::Edging>("FontEdging") |
| #ifndef CANVASKIT_NO_ALIAS_FONT |
| .value("Alias", SkFont::Edging::kAlias) |
| #endif |
| .value("AntiAlias", SkFont::Edging::kAntiAlias) |
| .value("SubpixelAntiAlias", SkFont::Edging::kSubpixelAntiAlias); |
| #endif |
| |
| 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://emscripten.org/docs/porting/connecting_cpp_and_javascript/embind.html#value-types |
| |
| value_object<SimpleImageInfo>("ImageInfo") |
| .field("width", &SimpleImageInfo::width) |
| .field("height", &SimpleImageInfo::height) |
| .field("colorType", &SimpleImageInfo::colorType) |
| .field("alphaType", &SimpleImageInfo::alphaType) |
| .field("colorSpace", &SimpleImageInfo::colorSpace); |
| |
| 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); |
| |
| 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", (int)SkCanvas::SaveLayerFlagsSet::kInitWithPrevious_SaveLayerFlag); |
| constant("SaveLayerF16ColorType", (int)SkCanvas::SaveLayerFlagsSet::kF16ColorType); |
| |
| constant("ShadowTransparentOccluder", (int)SkShadowFlags::kTransparentOccluder_ShadowFlag); |
| constant("ShadowGeometricOnly", (int)SkShadowFlags::kGeometricOnly_ShadowFlag); |
| constant("ShadowDirectionalLight", (int)SkShadowFlags::kDirectionalLight_ShadowFlag); |
| |
| #ifdef CK_INCLUDE_PARAGRAPH |
| constant("_GlyphRunFlags_isWhiteSpace", (int)skia::textlayout::Paragraph::kWhiteSpace_VisitorFlag); |
| #endif |
| } |