Esempio n. 1
0
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;
}
Esempio n. 3
0
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);
}
Esempio n. 4
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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);
}
Esempio n. 5
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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;
}
Esempio n. 7
0
    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);
        }
    }
Esempio n. 8
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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);
}
Esempio n. 12
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    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);
    }
Esempio n. 13
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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);
}
Esempio n. 14
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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;
}
Esempio n. 15
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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);
}
Esempio n. 16
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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;
}
Esempio n. 17
0
    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);

        }
    }
Esempio n. 18
0
    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);
    }
Esempio n. 19
0
    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();
    }
Esempio n. 20
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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);
}