static void fuzz763_2s(skiatest::Reporter* reporter, const char* filename) { SkPath path; path.setFillType((SkPath::FillType) 0); path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0, 0 path.cubicTo(SkBits2Float(0x76773011), SkBits2Float(0x5d66fe78), SkBits2Float(0xbbeeff66), SkBits2Float(0x637677a2), SkBits2Float(0x205266fe), SkBits2Float(0xec296fdf)); // 1.25339e+33f, 1.0403e+18f, -0.00729363f, 4.54652e+21f, 1.78218e-19f, -8.19347e+26f path.lineTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0, 0 path.close(); path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0, 0 path.quadTo(SkBits2Float(0xec4eecec), SkBits2Float(0x6e6f10ec), SkBits2Float(0xb6b6ecf7), SkBits2Float(0xb6b6b6b6)); // -1.00063e+27f, 1.84968e+28f, -5.45161e-06f, -5.44529e-06f path.moveTo(SkBits2Float(0x002032b8), SkBits2Float(0xecfeb6b6)); // 2.95693e-39f, -2.46344e+27f path.moveTo(SkBits2Float(0x73737300), SkBits2Float(0x73735273)); // 1.9288e+31f, 1.9278e+31f path.cubicTo(SkBits2Float(0x1616ece4), SkBits2Float(0xdf020018), SkBits2Float(0x77772965), SkBits2Float(0x1009db73), SkBits2Float(0x80ececec), SkBits2Float(0xf7ffffff)); // 1.21917e-25f, -9.36751e+18f, 5.01303e+33f, 2.71875e-29f, -2.17582e-38f, -1.03846e+34f path.lineTo(SkBits2Float(0x73737300), SkBits2Float(0x73735273)); // 1.9288e+31f, 1.9278e+31f path.close(); path.moveTo(SkBits2Float(0x73737300), SkBits2Float(0x73735273)); // 1.9288e+31f, 1.9278e+31f path.conicTo(SkBits2Float(0xec0700ec), SkBits2Float(0xecececec), SkBits2Float(0xececccec), SkBits2Float(0x772965ec), SkBits2Float(0x77777377)); // -6.52837e+26f, -2.2914e+27f, -2.29019e+27f, 3.4358e+33f, 5.0189e+33f path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.close(); path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.quadTo(SkBits2Float(0x29ec02ec), SkBits2Float(0x1009ecec), SkBits2Float(0x80ececec), SkBits2Float(0xf7ffffff)); // 1.0481e-13f, 2.7201e-29f, -2.17582e-38f, -1.03846e+34f path.lineTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.close(); path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.conicTo(SkBits2Float(0xff003aff), SkBits2Float(0xdbec2300), SkBits2Float(0xecececec), SkBits2Float(0x6fdf6052), SkBits2Float(0x41ecec29)); // -1.70448e+38f, -1.32933e+17f, -2.2914e+27f, 1.38263e+29f, 29.6153f path.lineTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.close(); path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.quadTo(SkBits2Float(0xecf76e6f), SkBits2Float(0xeccfddec), SkBits2Float(0xecececcc), SkBits2Float(0x66000066)); // -2.39301e+27f, -2.01037e+27f, -2.2914e+27f, 1.51118e+23f path.lineTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.close(); path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.cubicTo(SkBits2Float(0x772965df), SkBits2Float(0x77777377), SkBits2Float(0x77777876), SkBits2Float(0x665266fe), SkBits2Float(0xecececdf), SkBits2Float(0x0285806e)); // 3.4358e+33f, 5.0189e+33f, 5.0193e+33f, 2.48399e+23f, -2.2914e+27f, 1.96163e-37f path.lineTo(SkBits2Float(0xecececeb), SkBits2Float(0xecec0700)); // -2.2914e+27f, -2.28272e+27f path.lineTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.close(); path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.lineTo(SkBits2Float(0x65ecfaec), SkBits2Float(0xde777729)); // 1.39888e+23f, -4.45794e+18f path.conicTo(SkBits2Float(0x74777777), SkBits2Float(0x66fe7876), SkBits2Float(0xecdf6660), SkBits2Float(0x726eecec), SkBits2Float(0x29d610ec)); // 7.84253e+31f, 6.00852e+23f, -2.16059e+27f, 4.73241e+30f, 9.50644e-14f path.lineTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f path.close(); path.moveTo(SkBits2Float(0xd0ecec10), SkBits2Float(0x6e6eecdb)); // -3.17991e+10f, 1.84859e+28f path.quadTo(SkBits2Float(0x003affec), SkBits2Float(0xec2300ef), SkBits2Float(0xecececdb), SkBits2Float(0xcfececec)); // 5.41827e-39f, -7.88237e+26f, -2.2914e+27f, -7.9499e+09f path.lineTo(SkBits2Float(0xd0ecec10), SkBits2Float(0x6e6eecdb)); // -3.17991e+10f, 1.84859e+28f path.close(); path.moveTo(SkBits2Float(0xd0ecec10), SkBits2Float(0x6e6eecdb)); // -3.17991e+10f, 1.84859e+28f path.quadTo(SkBits2Float(0xecccec80), SkBits2Float(0xfa66ecec), SkBits2Float(0x66fa0000), SkBits2Float(0x772965df)); // -1.9819e+27f, -2.99758e+35f, 5.90296e+23f, 3.4358e+33f path.moveTo(SkBits2Float(0x77777790), SkBits2Float(0x00807677)); // 5.01923e+33f, 1.17974e-38f path.close(); path.moveTo(SkBits2Float(0x77777790), SkBits2Float(0x00807677)); // 5.01923e+33f, 1.17974e-38f path.cubicTo(SkBits2Float(0xecececec), SkBits2Float(0xfe66eaec), SkBits2Float(0xecdf1452), SkBits2Float(0x806eecec), SkBits2Float(0x10ececec), SkBits2Float(0xec000000)); // -2.2914e+27f, -7.67356e+37f, -2.15749e+27f, -1.01869e-38f, 9.34506e-29f, -6.1897e+26f path.lineTo(SkBits2Float(0x77777790), SkBits2Float(0x00807677)); // 5.01923e+33f, 1.17974e-38f path.close(); path.moveTo(SkBits2Float(0x77777790), SkBits2Float(0x00807677)); // 5.01923e+33f, 1.17974e-38f path.cubicTo(SkBits2Float(0x52668062), SkBits2Float(0x2965df66), SkBits2Float(0x77777377), SkBits2Float(0x76777773), SkBits2Float(0x1697fe78), SkBits2Float(0xeebfff00)); // 2.47499e+11f, 5.1042e-14f, 5.0189e+33f, 1.2548e+33f, 2.4556e-25f, -2.971e+28f path.lineTo(SkBits2Float(0x77777790), SkBits2Float(0x00807677)); // 5.01923e+33f, 1.17974e-38f path.close(); testSimplifyFuzz(reporter, path, filename); }
// A path which results in infs and nans when conics are converted to quads. static SkPath create_path_24() { SkPath path; path.moveTo(-2.20883e+37f, -1.02892e+37f); path.conicTo(-2.00958e+38f, -9.36107e+37f, -1.7887e+38f, -8.33215e+37f, 0.707107f); path.conicTo(-1.56782e+38f, -7.30323e+37f, 2.20883e+37f, 1.02892e+37f, 0.707107f); path.conicTo(2.00958e+38f, 9.36107e+37f, 1.7887e+38f, 8.33215e+37f, 0.707107f); path.conicTo(1.56782e+38f, 7.30323e+37f, -2.20883e+37f, -1.02892e+37f, 0.707107f); return path; }
static void fuzz_x3(skiatest::Reporter* reporter, const char* filename) { SkPath path; path.setFillType(SkPath::kWinding_FillType); path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0, 0 path.cubicTo(SkBits2Float(0x92743420), SkBits2Float(0x74747474), SkBits2Float(0x0f747c74), SkBits2Float(0xff538565), SkBits2Float(0x74744374), SkBits2Float(0x20437474)); // -7.70571e-28f, 7.74708e+31f, 1.20541e-29f, -2.8116e+38f, 7.74102e+31f, 1.65557e-19f path.conicTo(SkBits2Float(0x7474926d), SkBits2Float(0x7c747474), SkBits2Float(0x00170f74), SkBits2Float(0x3a7410d7), SkBits2Float(0x3a3a3a3a)); // 7.7508e+31f, 5.07713e+36f, 2.11776e-39f, 0.000931037f, 0.000710401f path.quadTo(SkBits2Float(0x203a3a3a), SkBits2Float(0x7459f43a), SkBits2Float(0x74747474), SkBits2Float(0x2043ad6e)); // 1.57741e-19f, 6.90724e+31f, 7.74708e+31f, 1.65745e-19f path.conicTo(SkBits2Float(0x7474b374), SkBits2Float(0x74747474), SkBits2Float(0x0f747c74), SkBits2Float(0xff537065), SkBits2Float(0x74744374)); // 7.75488e+31f, 7.74708e+31f, 1.20541e-29f, -2.81051e+38f, 7.74102e+31f path.cubicTo(SkBits2Float(0x3a3a3a3a), SkBits2Float(0x3a2c103a), SkBits2Float(0x7474263a), SkBits2Float(0x74976507), SkBits2Float(0x000000ff), SkBits2Float(0x00000000)); // 0.000710401f, 0.00065637f, 7.7374e+31f, 9.59578e+31f, 3.57331e-43f, 0 testSimplifyFuzz(reporter, path, filename); }
DEF_TEST(PathMeasureConic, reporter) { SkPoint stdP, hiP, pts[] = {{0,0}, {100,0}, {100,0}}; SkPath p; p.moveTo(0, 0); p.conicTo(pts[1], pts[2], 1); SkPathMeasure stdm(p, false); REPORTER_ASSERT(reporter, stdm.getPosTan(20, &stdP, nullptr)); p.reset(); p.moveTo(0, 0); p.conicTo(pts[1], pts[2], 10); stdm.setPath(&p, false); REPORTER_ASSERT(reporter, stdm.getPosTan(20, &hiP, nullptr)); REPORTER_ASSERT(reporter, 19.5f < stdP.fX && stdP.fX < 20.5f); REPORTER_ASSERT(reporter, 19.5f < hiP.fX && hiP.fX < 20.5f); }
SkPath SubsetVerbs::getSubsetPath() const { SkPath result; result.setFillType(fPath.getFillType()); if (!fSelected.count()) { return result; } SkPath::RawIter iter(fPath); uint8_t verb; SkPoint pts[4]; int verbIndex = 0; bool addMoveTo = true; bool addLineTo = false; while ((verb = iter.next(pts)) != SkPath::kDone_Verb) { bool enabled = SkPath::kLine_Verb <= verb && verb <= SkPath::kCubic_Verb ? fSelected[verbIndex++] : false; if (enabled) { if (addMoveTo) { result.moveTo(pts[0]); addMoveTo = false; } else if (addLineTo) { result.lineTo(pts[0]); addLineTo = false; } } switch (verb) { case SkPath::kMove_Verb: break; case SkPath::kLine_Verb: if (enabled) { result.lineTo(pts[1]); } break; case SkPath::kQuad_Verb: if (enabled) { result.quadTo(pts[1], pts[2]); } break; case SkPath::kConic_Verb: if (enabled) { result.conicTo(pts[1], pts[2], iter.conicWeight()); } break; case SkPath::kCubic_Verb: if (enabled) { result.cubicTo(pts[1], pts[2], pts[3]); } break; case SkPath::kClose_Verb: result.close(); addMoveTo = true; addLineTo = false; continue; default: SkDEBUGFAIL("bad verb"); return result; } addLineTo = !enabled; } return result; }
static SkPath make_path() { SkPath path; int numOps = R(30); for (int i = 0; i < numOps; ++i) { switch (R(6)) { case 0: path.moveTo(make_scalar(), make_scalar()); break; case 1: path.lineTo(make_scalar(), make_scalar()); break; case 2: path.quadTo(make_scalar(), make_scalar(), make_scalar(), make_scalar()); break; case 3: path.conicTo(make_scalar(), make_scalar(), make_scalar(), make_scalar(), make_scalar()); break; case 4: path.cubicTo(make_scalar(), make_scalar(), make_scalar(), make_scalar(), make_scalar(), make_scalar()); break; case 5: default: path.arcTo(make_scalar(), make_scalar(), make_scalar(), make_scalar(), make_scalar()); break; } } path.close(); return path; }
void onOnceBeforeDraw() override { { SkPath* bigQuad = &fPaths.push_back(); bigQuad->moveTo(0, 0); bigQuad->quadTo(kWidth/2, kHeight, kWidth, 0); } { SkPath* degenBigQuad = &fPaths.push_back(); SkScalar yPos = kHeight / 2 + 10; degenBigQuad->moveTo(0, yPos); degenBigQuad->quadTo(0, yPos, kWidth, yPos); } { SkPath* bigCubic = &fPaths.push_back(); bigCubic->moveTo(0, 0); bigCubic->cubicTo(0, kHeight, kWidth, kHeight, kWidth, 0); } { SkPath* degenBigCubic = &fPaths.push_back(); SkScalar yPos = kHeight / 2; degenBigCubic->moveTo(0, yPos); degenBigCubic->cubicTo(0, yPos, 0, yPos, kWidth, yPos); } { SkPath* bigConic = &fPaths.push_back(); bigConic->moveTo(0, 0); bigConic->conicTo(kWidth/2, kHeight, kWidth, 0, .5); } { SkPath* degenBigConic = &fPaths.push_back(); SkScalar yPos = kHeight / 2 - 10; degenBigConic->moveTo(0, yPos); degenBigConic->conicTo(0, yPos, kWidth, yPos, .5); } }
SkPath SubsetContours::getSubsetPath() const { SkPath result; result.setFillType(fPath.getFillType()); if (!fSelected.count()) { return result; } SkPath::RawIter iter(fPath); uint8_t verb; SkPoint pts[4]; int contourCount = 0; bool enabled = fSelected[0]; bool addMoveTo = true; while ((verb = iter.next(pts)) != SkPath::kDone_Verb) { if (enabled && addMoveTo) { result.moveTo(pts[0]); addMoveTo = false; } switch (verb) { case SkPath::kMove_Verb: break; case SkPath::kLine_Verb: if (enabled) { result.lineTo(pts[1]); } break; case SkPath::kQuad_Verb: if (enabled) { result.quadTo(pts[1], pts[2]); } break; case SkPath::kConic_Verb: if (enabled) { result.conicTo(pts[1], pts[2], iter.conicWeight()); } break; case SkPath::kCubic_Verb: if (enabled) { result.cubicTo(pts[1], pts[2], pts[3]); } break; case SkPath::kClose_Verb: if (enabled) { result.close(); } if (++contourCount >= fSelected.count()) { break; } enabled = fSelected[contourCount]; addMoveTo = true; continue; default: SkDEBUGFAIL("bad verb"); return result; } } return result; }
static void writeFrames() { const int scale = 5; for (int index = 0; index < (int) SK_ARRAY_COUNT(frameSizes); ++index) { SkDRect bounds; bool boundsSet = false; int frameSize = frameSizes[index]; for (int fIndex = 0; fIndex < frameSize; ++fIndex) { const SkDConic& dC = frames[index][fIndex]; SkDConic dConic = {{{ {dC.fPts[0].fX * scale, dC.fPts[0].fY * scale }, {dC.fPts[1].fX * scale, dC.fPts[1].fY * scale }, {dC.fPts[2].fX * scale, dC.fPts[2].fY * scale }}}, dC.fWeight }; SkDRect dBounds; dBounds.setBounds(dConic); if (!boundsSet) { bounds = dBounds; boundsSet = true; } else { bounds.add((SkDPoint&) dBounds.fLeft); bounds.add((SkDPoint&) dBounds.fRight); } } bounds.fLeft -= 10; bounds.fTop -= 10; bounds.fRight += 10; bounds.fBottom += 10; SkBitmap bitmap; bitmap.tryAllocPixels(SkImageInfo::MakeN32Premul( SkScalarRoundToInt(SkDoubleToScalar(bounds.width())), SkScalarRoundToInt(SkDoubleToScalar(bounds.height())))); SkCanvas canvas(bitmap); SkPaint paint; paint.setAntiAlias(true); paint.setStyle(SkPaint::kStroke_Style); canvas.translate(SkDoubleToScalar(-bounds.fLeft), SkDoubleToScalar(-bounds.fTop)); canvas.drawColor(SK_ColorWHITE); for (int fIndex = 0; fIndex < frameSize; ++fIndex) { const SkDConic& dC = frames[index][fIndex]; SkDConic dConic = {{{ {dC.fPts[0].fX * scale, dC.fPts[0].fY * scale }, {dC.fPts[1].fX * scale, dC.fPts[1].fY * scale }, {dC.fPts[2].fX * scale, dC.fPts[2].fY * scale }}}, dC.fWeight }; SkPath path; path.moveTo(dConic.fPts[0].asSkPoint()); path.conicTo(dConic.fPts[1].asSkPoint(), dConic.fPts[2].asSkPoint(), dConic.fWeight); if (fIndex < 2) { paint.setARGB(0x80, 0xFF, 0, 0); } else { paint.setARGB(0x80, 0, 0, 0xFF); } canvas.drawPath(path, paint); } SkString filename("c:\\Users\\caryclark\\Documents\\"); filename.appendf("f%d.png", index); SkImageEncoder::EncodeFile(filename.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100); } }
static void writePng(const SkConic& c, const SkConic ch[2], const char* name) { const int scale = 10; SkConic conic, chopped[2]; for (int index = 0; index < 3; ++index) { conic.fPts[index].fX = c.fPts[index].fX * scale; conic.fPts[index].fY = c.fPts[index].fY * scale; for (int chIndex = 0; chIndex < 2; ++chIndex) { chopped[chIndex].fPts[index].fX = ch[chIndex].fPts[index].fX * scale; chopped[chIndex].fPts[index].fY = ch[chIndex].fPts[index].fY * scale; } } conic.fW = c.fW; chopped[0].fW = ch[0].fW; chopped[1].fW = ch[1].fW; SkBitmap bitmap; SkRect bounds; conic.computeTightBounds(&bounds); bounds.outset(10, 10); bitmap.tryAllocPixels(SkImageInfo::MakeN32Premul( SkScalarRoundToInt(bounds.width()), SkScalarRoundToInt(bounds.height()))); SkCanvas canvas(bitmap); SkPaint paint; paint.setAntiAlias(true); paint.setStyle(SkPaint::kStroke_Style); canvas.translate(-bounds.fLeft, -bounds.fTop); canvas.drawColor(SK_ColorWHITE); SkPath path; path.moveTo(conic.fPts[0]); path.conicTo(conic.fPts[1], conic.fPts[2], conic.fW); paint.setARGB(0x80, 0xFF, 0, 0); canvas.drawPath(path, paint); path.reset(); path.moveTo(chopped[0].fPts[0]); path.conicTo(chopped[0].fPts[1], chopped[0].fPts[2], chopped[0].fW); path.moveTo(chopped[1].fPts[0]); path.conicTo(chopped[1].fPts[1], chopped[1].fPts[2], chopped[1].fW); paint.setARGB(0x80, 0, 0, 0xFF); canvas.drawPath(path, paint); SkString filename("c:\\Users\\caryclark\\Documents\\"); filename.appendf("%s.png", name); SkImageEncoder::EncodeFile(filename.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100); }
static void writeDPng(const SkDConic& dC, const char* name) { const int scale = 5; SkDConic dConic = {{{ {dC.fPts[0].fX * scale, dC.fPts[0].fY * scale }, {dC.fPts[1].fX * scale, dC.fPts[1].fY * scale }, {dC.fPts[2].fX * scale, dC.fPts[2].fY * scale }}}, dC.fWeight }; SkBitmap bitmap; SkDRect bounds; bounds.setBounds(dConic); bounds.fLeft -= 10; bounds.fTop -= 10; bounds.fRight += 10; bounds.fBottom += 10; bitmap.tryAllocPixels(SkImageInfo::MakeN32Premul( SkScalarRoundToInt(SkDoubleToScalar(bounds.width())), SkScalarRoundToInt(SkDoubleToScalar(bounds.height())))); SkCanvas canvas(bitmap); SkPaint paint; paint.setAntiAlias(true); paint.setStyle(SkPaint::kStroke_Style); canvas.translate(SkDoubleToScalar(-bounds.fLeft), SkDoubleToScalar(-bounds.fTop)); canvas.drawColor(SK_ColorWHITE); SkPath path; path.moveTo(dConic.fPts[0].asSkPoint()); path.conicTo(dConic.fPts[1].asSkPoint(), dConic.fPts[2].asSkPoint(), dConic.fWeight); paint.setARGB(0x80, 0xFF, 0, 0); canvas.drawPath(path, paint); path.reset(); const int chops = 2; for (int tIndex = 0; tIndex < chops; ++tIndex) { SkDConic chopped = dConic.subDivide(tIndex / (double) chops, (tIndex + 1) / (double) chops); path.moveTo(chopped.fPts[0].asSkPoint()); path.conicTo(chopped.fPts[1].asSkPoint(), chopped.fPts[2].asSkPoint(), chopped.fWeight); } paint.setARGB(0x80, 0, 0, 0xFF); canvas.drawPath(path, paint); SkString filename("c:\\Users\\caryclark\\Documents\\"); filename.appendf("%s.png", name); SkImageEncoder::EncodeFile(filename.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100); }
void onDraw(SkCanvas* canvas) override { SkPath path; path.moveTo(10, 10); path.conicTo(10, 90, 50, 90, 0.9f); SkPaint paint; paint.setColor(SK_ColorBLUE); canvas->drawRect(path.getBounds(), paint); paint.setAntiAlias(true); paint.setColor(SK_ColorWHITE); canvas->drawPath(path, paint); }
static void fuzz_drawPath(Fuzz* fuzz) { SkPaint p; init_paint(fuzz, &p); sk_sp<SkSurface> surface; init_surface(fuzz, &surface); // TODO(kjlubick): put the ability to fuzz a path in shared file, with // other common things (e.g. rects, lines) uint8_t i, j; fuzz->nextRange(&i, 0, 10); // set i to number of operations to perform SkPath path; SkScalar a, b, c, d, e, f; for (int k = 0; k < i; ++k) { fuzz->nextRange(&j, 0, 5); // set j to choose operation to perform switch (j) { case 0: fuzz->next(&a, &b); path.moveTo(a, b); break; case 1: fuzz->next(&a, &b); path.lineTo(a, b); break; case 2: fuzz->next(&a, &b, &c, &d); path.quadTo(a, b, c, d); break; case 3: fuzz->next(&a, &b, &c, &d, &e); path.conicTo(a, b, c, d, e); break; case 4: fuzz->next(&a, &b, &c, &d, &e, &f); path.cubicTo(a, b, c, d, e, f); break; case 5: fuzz->next(&a, &b, &c, &d, &e); path.arcTo(a, b, c, d, e); break; } } path.close(); SkCanvas* cnv = surface->getCanvas(); cnv->drawPath(path, p); bool bl; fuzz->next(&bl); cnv->clipPath(path, kIntersect_SkClipOp, bl); }
static SkPath make_path() { SkPath path; uint8_t numOps; fuzz->nextRange(&numOps, 0, 30); for (uint8_t i = 0; i < numOps; ++i) { uint8_t op; fuzz->nextRange(&op, 0, 5); SkScalar a, b, c, d, e, f; switch (op) { case 0: fuzz->next(&a, &b); path.moveTo(a, b); break; case 1: fuzz->next(&a, &b); path.lineTo(a, b); break; case 2: fuzz->next(&a, &b, &c, &d); path.quadTo(a, b, c, d); break; case 3: fuzz->next(&a, &b, &c, &d, &e); path.conicTo(a, b, c, d, e); break; case 4: fuzz->next(&a, &b, &c, &d, &e, &f); path.cubicTo(a, b, c, d, e, f); break; case 5: default: fuzz->next(&a, &b, &c, &d, &e); path.arcTo(a, b, c, d, e); break; } } path.close(); return path; }
static void fuzz_k1(skiatest::Reporter* reporter, const char* filename) { SkPath path; path.setFillType(SkPath::kWinding_FillType); path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0, 0 path.conicTo(SkBits2Float(0x2073732f), SkBits2Float(0x73f17f00), SkBits2Float(0x737b7b73), SkBits2Float(0x73916773), SkBits2Float(0x00738773)); // 2.0621e-19f, 3.82666e+31f, 1.99245e+31f, 2.30402e+31f, 1.06097e-38f path.lineTo(SkBits2Float(0x5803736d), SkBits2Float(0x807b5ba1)); // 5.78127e+14f, -1.13286e-38f path.cubicTo(SkBits2Float(0x7b7f7f7b), SkBits2Float(0x7373737b), SkBits2Float(0x1b617380), SkBits2Float(0x48541b10), SkBits2Float(0x73817373), SkBits2Float(0x00717373)); // 1.32662e+36f, 1.92882e+31f, 1.86489e-22f, 217196, 2.05123e+31f, 1.04188e-38f path.moveTo(SkBits2Float(0x7373739a), SkBits2Float(0x50001073)); // 1.92882e+31f, 8.59425e+09f path.cubicTo(SkBits2Float(0x7b738364), SkBits2Float(0x73607380), SkBits2Float(0x7b738362), SkBits2Float(0x00007180), SkBits2Float(0x7373739a), SkBits2Float(0x50001073)); // 1.26439e+36f, 1.77829e+31f, 1.26439e+36f, 4.07161e-41f, 1.92882e+31f, 8.59425e+09f path.cubicTo(SkBits2Float(0x7b737364), SkBits2Float(0x73607380), SkBits2Float(0x7b738366), SkBits2Float(0x73737380), SkBits2Float(0x73738873), SkBits2Float(0x96737353)); // 1.26407e+36f, 1.77829e+31f, 1.26439e+36f, 1.92882e+31f, 1.92947e+31f, -1.96658e-25f path.moveTo(SkBits2Float(0x00640000), SkBits2Float(0x73737373)); // 9.18355e-39f, 1.92882e+31f path.lineTo(SkBits2Float(0x40005d7b), SkBits2Float(0x58435460)); // 2.00571f, 8.59069e+14f path.cubicTo(SkBits2Float(0x7b7f7f7b), SkBits2Float(0x7373737b), SkBits2Float(0x1b617380), SkBits2Float(0x48400010), SkBits2Float(0x73817373), SkBits2Float(0x00717373)); // 1.32662e+36f, 1.92882e+31f, 1.86489e-22f, 196608, 2.05123e+31f, 1.04188e-38f path.moveTo(SkBits2Float(0x06737376), SkBits2Float(0x50001073)); // 4.5788e-35f, 8.59425e+09f path.cubicTo(SkBits2Float(0x7b737364), SkBits2Float(0x73737373), SkBits2Float(0x53737388), SkBits2Float(0x00967373), SkBits2Float(0x00640000), SkBits2Float(0x73737373)); // 1.26407e+36f, 1.92882e+31f, 1.04562e+12f, 1.38167e-38f, 9.18355e-39f, 1.92882e+31f path.lineTo(SkBits2Float(0x40005d7b), SkBits2Float(0x5843546d)); // 2.00571f, 8.59069e+14f path.cubicTo(SkBits2Float(0x7b7f7f7b), SkBits2Float(0x7373737b), SkBits2Float(0x1b617380), SkBits2Float(0x4840001e), SkBits2Float(0x73817373), SkBits2Float(0x007e7373)); // 1.32662e+36f, 1.92882e+31f, 1.86489e-22f, 196608, 2.05123e+31f, 1.16127e-38f path.moveTo(SkBits2Float(0x06737376), SkBits2Float(0x50001073)); // 4.5788e-35f, 8.59425e+09f path.cubicTo(SkBits2Float(0x7b737364), SkBits2Float(0x73607380), SkBits2Float(0x01008366), SkBits2Float(0x73737380), SkBits2Float(0x737d8873), SkBits2Float(0x7b4e7b53)); // 1.26407e+36f, 1.77829e+31f, 2.36042e-38f, 1.92882e+31f, 2.0087e+31f, 1.07211e+36f path.cubicTo(SkBits2Float(0x667b7b7b), SkBits2Float(0x73737b7b), SkBits2Float(0x73739167), SkBits2Float(0x40007387), SkBits2Float(0x5803736d), SkBits2Float(0x807b5ba1)); // 2.96898e+23f, 1.92907e+31f, 1.92974e+31f, 2.00705f, 5.78127e+14f, -1.13286e-38f path.cubicTo(SkBits2Float(0x7b7f7f7b), SkBits2Float(0x7373737b), SkBits2Float(0x1b617380), SkBits2Float(0x48401b10), SkBits2Float(0x73817373), SkBits2Float(0x00717373)); // 1.32662e+36f, 1.92882e+31f, 1.86489e-22f, 196716, 2.05123e+31f, 1.04188e-38f path.moveTo(SkBits2Float(0x7373739a), SkBits2Float(0x50001073)); // 1.92882e+31f, 8.59425e+09f path.cubicTo(SkBits2Float(0x7b737364), SkBits2Float(0x73607380), SkBits2Float(0x7b738366), SkBits2Float(0x00007180), SkBits2Float(0x7373739a), SkBits2Float(0x50001073)); // 1.26407e+36f, 1.77829e+31f, 1.26439e+36f, 4.07161e-41f, 1.92882e+31f, 8.59425e+09f path.cubicTo(SkBits2Float(0x7b737364), SkBits2Float(0x73607380), SkBits2Float(0x79738366), SkBits2Float(0x79797979), SkBits2Float(0xff000079), SkBits2Float(0xf2f2f2ff)); // 1.26407e+36f, 1.77829e+31f, 7.90246e+34f, 8.09591e+34f, -1.70144e+38f, -9.62421e+30f path.cubicTo(SkBits2Float(0x6579796a), SkBits2Float(0x79795979), SkBits2Float(0x4d4d7b57), SkBits2Float(0x4d574d66), SkBits2Float(0x7968ac4d), SkBits2Float(0x79797979)); // 7.36318e+22f, 8.09185e+34f, 2.15463e+08f, 2.25761e+08f, 7.55067e+34f, 8.09591e+34f path.quadTo(SkBits2Float(0xf2f27b79), SkBits2Float(0x867b9c7b), SkBits2Float(0xddf2f2f2), SkBits2Float(0x1379796a)); // -9.60571e+30f, -4.73228e-35f, -2.18829e+18f, 3.14881e-27f path.lineTo(SkBits2Float(0x7373739a), SkBits2Float(0x50001073)); // 1.92882e+31f, 8.59425e+09f path.close(); path.moveTo(SkBits2Float(0x7373739a), SkBits2Float(0x50001073)); // 1.92882e+31f, 8.59425e+09f path.quadTo(SkBits2Float(0xe7797979), SkBits2Float(0xf2794d4d), SkBits2Float(0x79a8ddf2), SkBits2Float(0x13132513)); // -1.17811e+24f, -4.93793e+30f, 1.09601e+35f, 1.85723e-27f path.lineTo(SkBits2Float(0x7373739a), SkBits2Float(0x50001073)); // 1.92882e+31f, 8.59425e+09f path.close(); path.moveTo(SkBits2Float(0x7373739a), SkBits2Float(0x50001073)); // 1.92882e+31f, 8.59425e+09f path.quadTo(SkBits2Float(0x7b9c7b79), SkBits2Float(0xf4f2d886), SkBits2Float(0xf4f4f4f4), SkBits2Float(0xf4f4f4f4)); // 1.62501e+36f, -1.53922e+32f, -1.5526e+32f, -1.5526e+32f testSimplifyFuzz(reporter, path, filename); }
SkPath makePath() { SkPath path; for (uint32_t cIndex = 0; cIndex < fPathContourCount; ++cIndex) { uint32_t segments = makeSegmentCount(); for (uint32_t sIndex = 0; sIndex < segments; ++sIndex) { RandomAddPath addPathType = makeAddPathType(); ++fAddCount; if (fPrintName) { SkDebugf("%.*s%s\n", fPathDepth * 3, fTab, gRandomAddPathNames[addPathType]); } switch (addPathType) { case kAddArc: { SkRect oval = makeRect(); SkScalar startAngle = makeAngle(); SkScalar sweepAngle = makeAngle(); path.addArc(oval, startAngle, sweepAngle); validate(path); } break; case kAddRoundRect1: { SkRect rect = makeRect(); SkScalar rx = makeScalar(), ry = makeScalar(); SkPath::Direction dir = makeDirection(); path.addRoundRect(rect, rx, ry, dir); validate(path); } break; case kAddRoundRect2: { SkRect rect = makeRect(); SkScalar radii[8]; makeScalarArray(SK_ARRAY_COUNT(radii), radii); SkPath::Direction dir = makeDirection(); path.addRoundRect(rect, radii, dir); validate(path); } break; case kAddRRect: { SkRRect rrect = makeRRect(); SkPath::Direction dir = makeDirection(); path.addRRect(rrect, dir); validate(path); } break; case kAddPoly: { SkTDArray<SkPoint> points; makePointArray(&points); bool close = makeBool(); path.addPoly(&points[0], points.count(), close); validate(path); } break; case kAddPath1: if (fPathDepth < fPathDepthLimit) { ++fPathDepth; SkPath src = makePath(); validate(src); SkScalar dx = makeScalar(); SkScalar dy = makeScalar(); SkPath::AddPathMode mode = makeAddPathMode(); path.addPath(src, dx, dy, mode); --fPathDepth; validate(path); } break; case kAddPath2: if (fPathDepth < fPathDepthLimit) { ++fPathDepth; SkPath src = makePath(); validate(src); SkPath::AddPathMode mode = makeAddPathMode(); path.addPath(src, mode); --fPathDepth; validate(path); } break; case kAddPath3: if (fPathDepth < fPathDepthLimit) { ++fPathDepth; SkPath src = makePath(); validate(src); SkMatrix matrix = makeMatrix(); SkPath::AddPathMode mode = makeAddPathMode(); path.addPath(src, matrix, mode); --fPathDepth; validate(path); } break; case kReverseAddPath: if (fPathDepth < fPathDepthLimit) { ++fPathDepth; SkPath src = makePath(); validate(src); path.reverseAddPath(src); --fPathDepth; validate(path); } break; case kMoveToPath: { SkScalar x = makeScalar(); SkScalar y = makeScalar(); path.moveTo(x, y); validate(path); } break; case kRMoveToPath: { SkScalar x = makeScalar(); SkScalar y = makeScalar(); path.rMoveTo(x, y); validate(path); } break; case kLineToPath: { SkScalar x = makeScalar(); SkScalar y = makeScalar(); path.lineTo(x, y); validate(path); } break; case kRLineToPath: { SkScalar x = makeScalar(); SkScalar y = makeScalar(); path.rLineTo(x, y); validate(path); } break; case kQuadToPath: { SkPoint pt[2]; makePointArray(SK_ARRAY_COUNT(pt), pt); path.quadTo(pt[0], pt[1]); validate(path); } break; case kRQuadToPath: { SkPoint pt[2]; makePointArray(SK_ARRAY_COUNT(pt), pt); path.rQuadTo(pt[0].fX, pt[0].fY, pt[1].fX, pt[1].fY); validate(path); } break; case kConicToPath: { SkPoint pt[2]; makePointArray(SK_ARRAY_COUNT(pt), pt); SkScalar weight = makeScalar(); path.conicTo(pt[0], pt[1], weight); validate(path); } break; case kRConicToPath: { SkPoint pt[2]; makePointArray(SK_ARRAY_COUNT(pt), pt); SkScalar weight = makeScalar(); path.rConicTo(pt[0].fX, pt[0].fY, pt[1].fX, pt[1].fY, weight); validate(path); } break; case kCubicToPath: { SkPoint pt[3]; makePointArray(SK_ARRAY_COUNT(pt), pt); path.cubicTo(pt[0], pt[1], pt[2]); validate(path); } break; case kRCubicToPath: { SkPoint pt[3]; makePointArray(SK_ARRAY_COUNT(pt), pt); path.rCubicTo(pt[0].fX, pt[0].fY, pt[1].fX, pt[1].fY, pt[2].fX, pt[2].fY); validate(path); } break; case kArcToPath: { SkPoint pt[2]; makePointArray(SK_ARRAY_COUNT(pt), pt); SkScalar radius = makeScalar(); path.arcTo(pt[0], pt[1], radius); validate(path); } break; case kArcTo2Path: { SkRect oval = makeRect(); SkScalar startAngle = makeAngle(); SkScalar sweepAngle = makeAngle(); bool forceMoveTo = makeBool(); path.arcTo(oval, startAngle, sweepAngle, forceMoveTo); validate(path); } break; case kClosePath: path.close(); validate(path); break; } } } return path; }
void onOnceBeforeDraw() override { { const SkScalar w = SkScalarSqrt(2)/2; SkPath* conicCirlce = &fPaths.push_back(); conicCirlce->moveTo(0, 0); conicCirlce->conicTo(0, 50, 50, 50, w); conicCirlce->rConicTo(50, 0, 50, -50, w); conicCirlce->rConicTo(0, -50, -50, -50, w); conicCirlce->rConicTo(-50, 0, -50, 50, w); } { SkPath* hyperbola = &fPaths.push_back(); hyperbola->moveTo(0, 0); hyperbola->conicTo(0, 100, 100, 100, 2); } { SkPath* thinHyperbola = &fPaths.push_back(); thinHyperbola->moveTo(0, 0); thinHyperbola->conicTo(100, 100, 5, 0, 2); } { SkPath* veryThinHyperbola = &fPaths.push_back(); veryThinHyperbola->moveTo(0, 0); veryThinHyperbola->conicTo(100, 100, 1, 0, 2); } { SkPath* closedHyperbola = &fPaths.push_back(); closedHyperbola->moveTo(0, 0); closedHyperbola->conicTo(100, 100, 0, 0, 2); } { // using 1 as weight defaults to using quadTo SkPath* nearParabola = &fPaths.push_back(); nearParabola->moveTo(0, 0); nearParabola->conicTo(0, 100, 100, 100, 0.999f); } { SkPath* thinEllipse = &fPaths.push_back(); thinEllipse->moveTo(0, 0); thinEllipse->conicTo(100, 100, 5, 0, SK_ScalarHalf); } { SkPath* veryThinEllipse = &fPaths.push_back(); veryThinEllipse->moveTo(0, 0); veryThinEllipse->conicTo(100, 100, 1, 0, SK_ScalarHalf); } { SkPath* closedEllipse = &fPaths.push_back(); closedEllipse->moveTo(0, 0); closedEllipse->conicTo(100, 100, 0, 0, SK_ScalarHalf); } { const SkScalar w = SkScalarSqrt(2)/2; fGiantCircle.moveTo(2.1e+11f, -1.05e+11f); fGiantCircle.conicTo(2.1e+11f, 0, 1.05e+11f, 0, w); fGiantCircle.conicTo(0, 0, 0, -1.05e+11f, w); fGiantCircle.conicTo(0, -2.1e+11f, 1.05e+11f, -2.1e+11f, w); fGiantCircle.conicTo(2.1e+11f, -2.1e+11f, 2.1e+11f, -1.05e+11f, w); } }
void onDrawContent(SkCanvas* canvas) override { SkPath path; SkScalar width = fWidth; if (fCubicButton.fEnabled) { path.moveTo(fPts[0]); path.cubicTo(fPts[1], fPts[2], fPts[3]); setForGeometry(); draw_stroke(canvas, path, width, 950, false); } if (fConicButton.fEnabled) { path.moveTo(fPts[4]); path.conicTo(fPts[5], fPts[6], fWeight); setForGeometry(); draw_stroke(canvas, path, width, 950, false); } if (fQuadButton.fEnabled) { path.reset(); path.moveTo(fPts[7]); path.quadTo(fPts[8], fPts[9]); setForGeometry(); draw_stroke(canvas, path, width, 950, false); } if (fRRectButton.fEnabled) { SkScalar rad = 32; SkRect r; r.set(&fPts[10], 2); path.reset(); SkRRect rr; rr.setRectXY(r, rad, rad); path.addRRect(rr); setForGeometry(); draw_stroke(canvas, path, width, 950, false); path.reset(); SkRRect rr2; rr.inset(width/2, width/2, &rr2); path.addRRect(rr2, SkPath::kCCW_Direction); rr.inset(-width/2, -width/2, &rr2); path.addRRect(rr2, SkPath::kCW_Direction); SkPaint paint; paint.setAntiAlias(true); paint.setColor(0x40FF8844); canvas->drawPath(path, paint); } if (fCircleButton.fEnabled) { path.reset(); SkRect r; r.set(&fPts[12], 2); path.addOval(r); setForGeometry(); if (fCircleButton.fFill) { draw_fill(canvas, r, width); } else { draw_stroke(canvas, path, width, 950, false); } } if (fTextButton.fEnabled) { path.reset(); SkPaint paint; paint.setAntiAlias(true); paint.setTextSize(fTextSize); paint.getTextPath(fText.c_str(), fText.size(), 0, fTextSize, &path); setForText(); draw_stroke(canvas, path, width * fWidthScale / fTextSize, fTextSize, true); } if (fAnimate) { fWidth += fDWidth; if (fDWidth > 0 && fWidth > kWidthMax) { fDWidth = -fDWidth; } else if (fDWidth < 0 && fWidth < kWidthMin) { fDWidth = -fDWidth; } } setAsNeeded(); if (fConicButton.fEnabled) { draw_control(canvas, fWeightControl, fWeight, 0, 5, "weight"); } #ifdef SK_DEBUG draw_control(canvas, fErrorControl, gDebugStrokerError, kStrokerErrorMin, kStrokerErrorMax, "error"); #endif draw_control(canvas, fWidthControl, fWidth * fWidthScale, kWidthMin * fWidthScale, kWidthMax * fWidthScale, "width"); draw_button(canvas, fQuadButton); draw_button(canvas, fCubicButton); draw_button(canvas, fConicButton); draw_button(canvas, fRRectButton); draw_button(canvas, fCircleButton); draw_button(canvas, fTextButton); this->inval(NULL); }
void onDraw(SkCanvas* canvas) override { SkPaint p; p.setColor(SK_ColorRED); p.setAntiAlias(true); canvas->clear(0xFFFFFFFF); canvas->save(); SkScalar y = 0; canvas->translate(0, y); canvas->rotate(1); canvas->drawRect({ 20, 20, 200, 200 }, p); canvas->restore(); y += 200; canvas->translate(0, y); canvas->rotate(1); canvas->drawRect({ 20, 20, 20.2f, 200 }, p); canvas->drawRect({ 20, 200, 200, 200.1f }, p); canvas->drawCircle(100, 100, 30, p); canvas->restore(); // The following path is empty but it'll reveal bug chrome:662914 SkPath path; path.moveTo(SkBits2Float(0x429b9d5c), SkBits2Float(0x4367a041)); // 77.8073f, 231.626f // 77.8075f, 231.626f, 77.8074f, 231.625f, 77.8073f, 231.625f path.cubicTo(SkBits2Float(0x429b9d71), SkBits2Float(0x4367a022), SkBits2Float(0x429b9d64), SkBits2Float(0x4367a009), SkBits2Float(0x429b9d50), SkBits2Float(0x43679ff2)); path.lineTo(SkBits2Float(0x429b9d5c), SkBits2Float(0x4367a041)); // 77.8073f, 231.626f path.close(); canvas->drawPath(path, p); // The following path reveals a subtle SkAnalyticQuadraticEdge::updateQuadratic bug: // we should not use any snapped y for the intermediate values whose error may accumulate; // snapping should only be allowed once before updateLine. path.reset(); path.moveTo(SkBits2Float(0x434ba71e), SkBits2Float(0x438a06d0)); // 203.653f, 276.053f path.lineTo(SkBits2Float(0x43492a74), SkBits2Float(0x4396d70d)); // 201.166f, 301.68f // 200.921f, 304.207f, 196.939f, 303.82f, 0.707107f path.conicTo(SkBits2Float(0x4348ebaf), SkBits2Float(0x43981a75), SkBits2Float(0x4344f079), SkBits2Float(0x4397e900), SkBits2Float(0x3f3504f3)); path.close(); // Manually setting convexity is required. Otherwise, this path will be considered concave. path.setConvexity(SkPath::kConvex_Convexity); canvas->drawPath(path, p); // skbug.com/7573 y += 200; canvas->translate(0, y); p.setAntiAlias(true); path.reset(); path.moveTo(1.98009784f, 9.0162744f); path.lineTo(47.843992f, 10.1922744f); path.lineTo(47.804008f, 11.7597256f); path.lineTo(1.93990216f, 10.5837256f); canvas->drawPath(path, p); canvas->restore(); }
static void test_undetected_paths(skiatest::Reporter* reporter) { SkPath path; path.moveTo(0, 62.5f); path.lineTo(0, 3.5f); path.conicTo(0, 0, 3.5f, 0, 0.70710677f); path.lineTo(196.5f, 0); path.conicTo(200, 0, 200, 3.5f, 0.70710677f); path.lineTo(200, 62.5f); path.conicTo(200, 66, 196.5f, 66, 0.70710677f); path.lineTo(3.5f, 66); path.conicTo(0, 66, 0, 62.5, 0.70710677f); path.close(); force_path_contains_rrect(reporter, path); path.reset(); path.moveTo(0, 81.5f); path.lineTo(0, 3.5f); path.conicTo(0, 0, 3.5f, 0, 0.70710677f); path.lineTo(149.5, 0); path.conicTo(153, 0, 153, 3.5f, 0.70710677f); path.lineTo(153, 81.5f); path.conicTo(153, 85, 149.5f, 85, 0.70710677f); path.lineTo(3.5f, 85); path.conicTo(0, 85, 0, 81.5f, 0.70710677f); path.close(); force_path_contains_rrect(reporter, path); path.reset(); path.moveTo(14, 1189); path.lineTo(14, 21); path.conicTo(14, 14, 21, 14, 0.70710677f); path.lineTo(1363, 14); path.conicTo(1370, 14, 1370, 21, 0.70710677f); path.lineTo(1370, 1189); path.conicTo(1370, 1196, 1363, 1196, 0.70710677f); path.lineTo(21, 1196); path.conicTo(14, 1196, 14, 1189, 0.70710677f); path.close(); force_path_contains_rrect(reporter, path); path.reset(); path.moveTo(14, 1743); path.lineTo(14, 21); path.conicTo(14, 14, 21, 14, 0.70710677f); path.lineTo(1363, 14); path.conicTo(1370, 14, 1370, 21, 0.70710677f); path.lineTo(1370, 1743); path.conicTo(1370, 1750, 1363, 1750, 0.70710677f); path.lineTo(21, 1750); path.conicTo(14, 1750, 14, 1743, 0.70710677f); path.close(); force_path_contains_rrect(reporter, path); }