void PlatformGraphicsContextSkia::addInnerRoundedRectClip(const IntRect& rect,
                                                      int thickness)
{
    SkPath path;
    SkRect r(rect);

    path.addOval(r, SkPath::kCW_Direction);
    // Only perform the inset if we won't invert r
    if (2 * thickness < rect.width() && 2 * thickness < rect.height()) {
        // Adding one to the thickness doesn't make the border too thick as
        // it's painted over afterwards. But without this adjustment the
        // border appears a little anemic after anti-aliasing.
        r.inset(SkIntToScalar(thickness + 1), SkIntToScalar(thickness + 1));
        path.addOval(r, SkPath::kCCW_Direction);
    }
    mCanvas->clipPath(path, SkRegion::kIntersect_Op, true);
}
Example #2
0
 SkRect draw(SkCanvas* canvas, const SkPaint& paint) override {
     SkPath path;
     path.addCircle(15, 15, 10);
     path.addOval(SkRect::MakeXYWH(2, 2, 22, 37));
     path.setFillType(SkPath::kEvenOdd_FillType);
     canvas->drawPath(path, paint);
     return path.getBounds();
 }
// ensure that we don't accidentally screw up the bounds when the oval is
// fractional, and the impl computes the center and radii, and uses them to
// reconstruct the edges of the circle.
// see bug# 1504910
static void test_circlebounds(SkCanvas* canvas) {
#ifdef SK_SCALAR_IS_FLOAT
    SkRect r = { 1.39999998f, 1, 21.3999996f, 21 };
    SkPath p;
    p.addOval(r);
    SkASSERT(r == p.getBounds());
#endif
}
Example #4
0
    void drawRectSkeleton(SkCanvas* max, const SkRect& r) {
        SkPaint paint;
        this->setupSkeletonPaint(&paint);
        SkPath path;

        fRectAsOval ? path.addOval(r) : path.addRect(r);
        max->drawPath(path, paint);
    }
void GraphicsContext::addInnerRoundedRectClip(const IntRect& rect, int thickness)
{
    if (paintingDisabled())
        return;

    SkRect r(rect);
    if (!isRectSkiaSafe(getCTM(), r))
        return;

    SkPath path;
    path.addOval(r, SkPath::kCW_Direction);
    // only perform the inset if we won't invert r
    if (2 * thickness < rect.width() && 2 * thickness < rect.height()) {
        r.inset(SkIntToScalar(thickness) ,SkIntToScalar(thickness));
        path.addOval(r, SkPath::kCCW_Direction);
    }
    platformContext()->canvas()->clipPath(path);
}
Example #6
0
void SkBitmapDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPaint& paint) {
    CHECK_FOR_ANNOTATION(paint);

    SkPath path;
    path.addOval(oval);
    // call the VIRTUAL version, so any subclasses who do handle drawPath aren't
    // required to override drawOval.
    this->drawPath(draw, path, paint, NULL, true);
}
void GraphicsContext::addInnerRoundedRectClip(const IntRect& rect, int thickness)
{
    if (paintingDisabled())
        return;

    SkRect r(rect);
    SkPath path;
    path.addOval(r, SkPath::kCW_Direction);
    // only perform the inset if we won't invert r
    if (2 * thickness < rect.width() && 2 * thickness < rect.height()) {
        // Adding one to the thickness doesn't make the border too thick as
        // it's painted over afterwards. But without this adjustment the
        // border appears a little anemic after anti-aliasing.
        r.inset(SkIntToScalar(thickness + 1), SkIntToScalar(thickness + 1));
        path.addOval(r, SkPath::kCCW_Direction);
    }
    platformContext()->clipPathAntiAliased(path);
}
    TextOnPathView() {
        SkRect r;
        r.set(SkIntToScalar(100), SkIntToScalar(100),
              SkIntToScalar(300), SkIntToScalar(300));
        fPath.addOval(r);
        fPath.offset(SkIntToScalar(-50), SkIntToScalar(-50));

        fHOffset = SkIntToScalar(50);
    }
Example #9
0
// we used to assert if the bounds of the device (clip) was larger than 32K
// even when the path itself was smaller. We just draw and hope in the debug
// version to not assert.
static void test_giantaa() {
    const int W = 400;
    const int H = 400;
    SkAutoTUnref<SkCanvas> canvas(SkCanvas::NewRasterN32(33000, 10));

    SkPaint paint;
    paint.setAntiAlias(true);
    SkPath path;
    path.addOval(SkRect::MakeXYWH(-10, -10, 20 + W, 20 + H));
    canvas.get()->drawPath(path, paint);
}
// we used to assert if the bounds of the device (clip) was larger than 32K
// even when the path itself was smaller. We just draw and hope in the debug
// version to not assert.
static void test_giantaa() {
    const int W = 400;
    const int H = 400;
    auto surface(SkSurface::MakeRasterN32Premul(33000, 10));

    SkPaint paint;
    paint.setAntiAlias(true);
    SkPath path;
    path.addOval(SkRect::MakeXYWH(-10, -10, 20 + W, 20 + H));
    surface->getCanvas()->drawPath(path, paint);
}
Example #11
0
// we used to assert if the bounds of the device (clip) was larger than 32K
// even when the path itself was smaller. We just draw and hope in the debug
// version to not assert.
static void test_giantaa(skiatest::Reporter* reporter) {
    const int W = 400;
    const int H = 400;
    SkAutoTUnref<SkCanvas> canvas(new_canvas(33000, 10));
    canvas.get()->clear(SK_ColorTRANSPARENT);

    SkPaint paint;
    paint.setAntiAlias(true);
    SkPath path;
    path.addOval(SkRect::MakeXYWH(-10, -10, 20 + W, 20 + H));
    canvas.get()->drawPath(path, paint);
}
void GraphicsContext::clipOutEllipseInRect(const IntRect& rect)
{
    if (paintingDisabled())
        return;

    SkRect oval(rect);
    if (!isRectSkiaSafe(getCTM(), oval))
        return;

    SkPath path;
    path.addOval(oval, SkPath::kCCW_Direction);
    platformContext()->canvas()->clipPath(path, SkRegion::kDifference_Op);
}
Example #13
0
    void onDraw(SkCanvas* canvas) override {
        SkRect r = { 10, 10, 100, 60 };

        SkPath path;

        path.addRect(r); test_rev(canvas, path);

        canvas->translate(0, 100);
        path.offset(20, 20);
        path.addRect(r); test_rev(canvas, path);

        canvas->translate(0, 100);
        path.reset();
        path.moveTo(10, 10); path.lineTo(30, 30);
        path.addOval(r);
        r.offset(50, 20);
        path.addOval(r);
        test_rev(canvas, path);

        path = hiragino_maru_goth_pro_e();
        canvas->translate(0, 100);
        test_rev(canvas, path);
    }
Example #14
0
 virtual void onDraw(SkCanvas* canvas)
     {
     switch (fStyle)
         {
         case kRect_Style:
             canvas->drawRect(fRect, fPaint);
             break;
         case kOval_Style:
             canvas->drawOval(fRect, fPaint);
             break;
         case kRRect_Style:
             {
             SkScalar rx = fRect.width() / 5;
             SkScalar ry = fRect.height() / 5;
             if (rx < ry)
                 {
                 ry = rx;
                 }
             else
                 {
                 rx = ry;
                 }
             canvas->drawRoundRect(fRect, rx, ry, fPaint);
             break;
             }
         case kFrame_Style:
             {
             SkPath path;
             path.addOval(fRect, SkPath::kCW_Direction);
             SkRect r = fRect;
             r.inset(fRect.width()/6, 0);
             path.addOval(r, SkPath::kCCW_Direction);
             canvas->drawPath(path, fPaint);
             break;
             }
         }
     }
void Path::addArc(const FloatPoint& p, float r, float sa, float ea,
                  bool clockwise) {
    SkScalar    cx = SkFloatToScalar(p.x());
    SkScalar    cy = SkFloatToScalar(p.y());
    SkScalar    radius = SkFloatToScalar(r);

    SkRect  oval;
    oval.set(cx - radius, cy - radius, cx + radius, cy + radius);
    
    float sweep = ea - sa;
    bool prependOval = false;

    /*  Note if clockwise and the sign of the sweep disagree. This particular
        logic was deduced from http://canvex.lazyilluminati.com/misc/arc.html
    */
    if (clockwise && (sweep > 0 || sweep < -g2PI)) {
        sweep = fmodf(sweep, g2PI) - g2PI;
    } else if (!clockwise && (sweep < 0 || sweep > g2PI)) {
        sweep = fmodf(sweep, g2PI) + g2PI;
    }
    
    // If the abs(sweep) >= 2PI, then we need to add a circle before we call
    // arcTo, since it treats the sweep mod 2PI. We don't have a prepend call,
    // so we just remember this, and at the end create a new path with an oval
    // and our current path, and then swap then.
    //
    if (sweep >= g2PI || sweep <= -g2PI) {
        prependOval = true;
//        SkDebugf("addArc sa=%g ea=%g cw=%d sweep %g treat as circle\n", sa, ea, clockwise, sweep);

        // now reduce sweep to just the amount we need, so that the current
        // point is left where the caller expects it.
        sweep = fmodf(sweep, g2PI);
    }

    sa = fast_mod(sa, g2PI);
    SkScalar startDegrees = SkFloatToScalar(sa * g180OverPI);
    SkScalar sweepDegrees = SkFloatToScalar(sweep * g180OverPI);

//    SkDebugf("addArc sa=%g ea=%g cw=%d sweep=%g ssweep=%g\n", sa, ea, clockwise, sweep, SkScalarToFloat(sweepDegrees));
    m_path->arcTo(oval, startDegrees, sweepDegrees, false);
    
    if (prependOval) {
        SkPath tmp;
        tmp.addOval(oval);
        tmp.addPath(*m_path);
        m_path->swap(tmp);
    }
}
Example #16
0
PathTexture* OvalShapeCache::getOval(float width, float height, SkPaint* paint) {
    OvalShapeCacheEntry entry(width, height, paint);
    PathTexture* texture = get(entry);

    if (!texture) {
        SkPath path;
        SkRect r;
        r.set(0.0f, 0.0f, width, height);
        path.addOval(r, SkPath::kCW_Direction);

        texture = addTexture(entry, &path, paint);
    }

    return texture;
}
PathTexture* PathCache::getOval(float width, float height, const SkPaint* paint) {
    PathDescription entry(kShapeOval, paint);
    entry.shape.oval.mWidth = width;
    entry.shape.oval.mHeight = height;

    PathTexture* texture = get(entry);

    if (!texture) {
        SkPath path;
        SkRect r;
        r.set(0.0f, 0.0f, width, height);
        path.addOval(r, SkPath::kCW_Direction);

        texture = addTexture(entry, &path, paint);
    }

    return texture;
}
Example #18
0
    virtual void onDraw(SkCanvas* canvas) {
        SkPaint paint;
        paint.setAntiAlias(true);
        paint.setStyle(SkPaint::kStroke_Style);

        SkPath path;
        path.moveTo(20, 20);
        path.lineTo(70, 120);
        path.lineTo(120, 30);
        path.lineTo(170, 80);
        path.lineTo(240, 50);

        size_t i;
        canvas->save();
        for (i = 0; i < SK_ARRAY_COUNT(gPE); i++) {
            gPE[i](&paint);
            canvas->drawPath(path, paint);
            canvas->translate(0, 75);
        }
        canvas->restore();

        path.reset();
        SkRect r = { 0, 0, 250, 120 };
        path.addOval(r, SkPath::kCW_Direction);
        r.inset(50, 50);
        path.addRect(r, SkPath::kCCW_Direction);

        canvas->translate(320, 20);
        for (i = 0; i < SK_ARRAY_COUNT(gPE2); i++) {
            gPE2[i](&paint);
            canvas->drawPath(path, paint);
            canvas->translate(0, 160);
        }

        SkIRect rect = SkIRect::MakeXYWH(20, 20, 60, 60);
        for (i = 0; i < SK_ARRAY_COUNT(gPE); i++) {
            SkPaint p;
            p.setAntiAlias(true);
            p.setStyle(SkPaint::kFill_Style);
            gPE[i](&p);
            canvas->drawIRect(rect, p);
            canvas->translate(75, 0);
        }
    }
Example #19
0
static void show_fill(SkCanvas* canvas, bool doAA) {
    SkRandom rand;
    SkPaint paint;
    paint.setAntiAlias(doAA);
    
    for (int i = 0; i < 50; ++i) {
        SkRect r;
        SkPath p;
        
        r.setXYWH(rand.nextSScalar1() * W, rand.nextSScalar1() * H,
                  rand.nextUScalar1() * W, rand.nextUScalar1() * H);
        paint.setColor(rand.nextU());
        canvas->drawRect(r, paint);
        
        r.setXYWH(rand.nextSScalar1() * W, rand.nextSScalar1() * H,
                  rand.nextUScalar1() * W, rand.nextUScalar1() * H);
        paint.setColor(rand.nextU());
        p.addOval(r);
        canvas->drawPath(p, paint);
    }
}
Example #20
0
static void TestParsePath(skiatest::Reporter* reporter) {
    for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {
        SkPath  path;
        bool success = SkParsePath::FromSVGString(gRec[i].fStr, &path);
        REPORTER_ASSERT(reporter, success);
        const SkRect& expectedBounds = gRec[i].fBounds;
        const SkRect& pathBounds = path.getBounds();
        REPORTER_ASSERT(reporter, expectedBounds == pathBounds);

        test_to_from(reporter, path);
    }

    SkRect r;
    r.set(0, 0, SkFloatToScalar(10), SkFloatToScalar(10.5f));
    SkPath p;
    p.addRect(r);
    test_to_from(reporter, p);
    p.addOval(r);
    test_to_from(reporter, p);
    p.addRoundRect(r, SkFloatToScalar(4), SkFloatToScalar(4.5f));
    test_to_from(reporter, p);
}
Example #21
0
    void drawRectSkeleton(SkCanvas* max, const SkRect& r) {
        SkPaint paint;
        this->setupSkeletonPaint(&paint);
        SkPath path;

        if (fUseGPU && fAA) {
            SkRect rr = r;
            rr.inset(SkIntToScalar(fZoom)/2, SkIntToScalar(fZoom)/2);
            path.addRect(rr);
            path.moveTo(rr.fLeft, rr.fTop);
            path.lineTo(rr.fRight, rr.fBottom);
            rr = r;
            rr.inset(-SkIntToScalar(fZoom)/2, -SkIntToScalar(fZoom)/2);
            path.addRect(rr);
        } else {
            fRectAsOval ? path.addOval(r) : path.addRect(r);
            if (fUseGPU) {
                path.moveTo(r.fLeft, r.fTop);
                path.lineTo(r.fRight, r.fBottom);
            }
        }
        max->drawPath(path, paint);
    }
Example #22
0
    void onDrawContent(SkCanvas* canvas) override {
        SkPaint paintFill;
        SkPaint paintStroke;
        SkPath  path;

        canvas->save();
        canvas->translate(150, 150);
        canvas->scale(0.4f, 0.4f);
        canvas->rotate(-180.f/2.f);

        paintFill.setAntiAlias(true);
        paintFill.setColor(SK_ColorBLACK);
        paintStroke.setAntiAlias(true);
        paintStroke.setStyle(SkPaint::kStroke_Style);
        paintStroke.setColor(SK_ColorBLACK);
        paintStroke.setStrokeWidth(8);
        paintStroke.setStrokeCap(SkPaint::kRound_Cap);

        // Hour marks
        SkRect rect;
#ifndef USE_PATH
        rect = SkRect::MakeLTRB(200-4, -4, 240+4, 4);
        SkRRect rrect;
        SkVector radii[4] = {{4,4}, {4,4}, {4,4}, {4,4}};
        rrect.setRectRadii(rect, radii);
#endif
        canvas->save();
        for (int i=0;i<12;i++){
            canvas->rotate(180.f/6.f);
#ifdef USE_PATH
            path.reset();
            path.moveTo(200,0);
            path.lineTo(240,0);
            canvas->drawPath(path, paintStroke);
#else
            canvas->drawRRect(rrect, paintFill);
#endif
        }
        canvas->restore();

        // Minute marks
        canvas->save();
#ifdef USE_PATH
        paintStroke.setStrokeWidth(5);
#else
        rect = SkRect::MakeLTRB(231.5f, -2.5f, 242.5, 2.5f);
        radii[0] = SkPoint::Make(2.5f,2.5f);
        radii[1] = SkPoint::Make(2.5f,2.5f);
        radii[2] = SkPoint::Make(2.5f,2.5f);
        radii[3] = SkPoint::Make(2.5f,2.5f);
        rrect.setRectRadii(rect, radii);
#endif
        for (int i=0;i<60;i++){
            if (i%5 == 0) {
                canvas->rotate(180.f/30.f);
                continue;
            }
#ifdef USE_PATH
            path.reset();
            path.moveTo(234,0);
            path.lineTo(240,0);
            canvas->drawPath(path, paintStroke);
#else
            canvas->drawRRect(rrect, paintFill);
#endif
            canvas->rotate(180.f/30.f);
        }
        canvas->restore();

        SkTime::DateTime time;
        SkTime::GetDateTime(&time);
        time.fHour = time.fHour >= 12 ? time.fHour-12 : time.fHour;
        paintFill.setColor(SK_ColorBLACK);

        // Write hours
        canvas->save();
        canvas->rotate(time.fHour*(180.f/6.f) + time.fMinute*(180.f/360.f)
                       + time.fSecond*(180.f/21600.f) );
#ifdef USE_PATH
        paintStroke.setStrokeWidth(14);
        path.reset();
        path.moveTo(-20,0);
        path.lineTo(80,0);
        canvas->drawPath(path, paintStroke);
#else
        rect = SkRect::MakeLTRB(-20-7, -7, 80+7, 7);
        radii[0] = SkPoint::Make(7,7);
        radii[1] = SkPoint::Make(7,7);
        radii[2] = SkPoint::Make(7,7);
        radii[3] = SkPoint::Make(7,7);
        rrect.setRectRadii(rect, radii);
        canvas->drawRRect(rrect, paintFill);
#endif
        canvas->restore();

        // Write minutes
        canvas->save();
        canvas->rotate(time.fMinute*(180.f/30.f)
                       + time.fSecond*(180.f/1800.f) );
#ifdef USE_PATH
        paintStroke.setStrokeWidth(10);
        path.reset();
        path.moveTo(-56,0);
        path.lineTo(224,0);
        canvas->drawPath(path, paintStroke);
#else
        rect = SkRect::MakeLTRB(-56-5, -5, 224+5, 5);
        radii[0] = SkPoint::Make(5,5);
        radii[1] = SkPoint::Make(5,5);
        radii[2] = SkPoint::Make(5,5);
        radii[3] = SkPoint::Make(5,5);
        rrect.setRectRadii(rect, radii);
        canvas->drawRRect(rrect, paintFill);
#endif
        canvas->restore();

        // Write seconds
        canvas->save();
        canvas->rotate(time.fSecond*(180.f/30.f));
        paintFill.setColor(0xffd40000);
        paintStroke.setColor(0xffd40000);
        paintStroke.setStrokeWidth(6);
#ifdef USE_PATH
        path.reset();
        path.moveTo(-60,0);
        path.lineTo(166,0);
        canvas->drawPath(path, paintStroke);
#else
        rect = SkRect::MakeLTRB(-60-3, -3, 166+3, 3);
        radii[0] = SkPoint::Make(3,3);
        radii[1] = SkPoint::Make(3,3);
        radii[2] = SkPoint::Make(3,3);
        radii[3] = SkPoint::Make(3,3);
        rrect.setRectRadii(rect, radii);
        canvas->drawRRect(rrect, paintFill);
#endif
        rect = SkRect::MakeLTRB(-20, -20, 20, 20);
#ifdef USE_PATH
        path.reset();
        path.arcTo(rect, 0, 0, false);
        path.addOval(rect, SkPath::kCCW_Direction);
        path.arcTo(rect, 360, 0, true);
        canvas->drawPath(path, paintFill);
#else
        canvas->drawOval(rect, paintFill);
#endif
        rect = SkRect::MakeLTRB(-20+190, -20, 20+190, 20);
#ifdef USE_PATH
        path.reset();
        path.arcTo(rect, 0, 0, false);
        path.addOval(rect, SkPath::kCCW_Direction);
        path.arcTo(rect, 360, 0, true);
        canvas->drawPath(path, paintStroke);
#else
        canvas->drawOval(rect, paintStroke);
#endif
        paintFill.setColor(0xff505050);
#ifdef USE_PATH
        rect = SkRect::MakeLTRB(-6, -6, 6, 6);
        path.arcTo(rect, 0, 0, false);
        path.addOval(rect, SkPath::kCCW_Direction);
        path.arcTo(rect, 360, 0, true);
        canvas->drawPath(path, paintFill);
#else
        canvas->drawOval(rect, paintFill);
        rect = SkRect::MakeLTRB(-6, -6, 6, 6);
        canvas->drawOval(rect, paintFill);
#endif
        canvas->restore();

        paintStroke.setStrokeWidth(18);
        paintStroke.setColor(0xff325FA2);
        rect = SkRect::MakeLTRB(-284, -284, 284, 284);
#ifdef USE_PATH
        path.reset();
        path.arcTo(rect, 0, 0, false);
        path.addOval(rect, SkPath::kCCW_Direction);
        path.arcTo(rect, 360, 0, true);
        canvas->drawPath(path, paintStroke);
#else
        canvas->drawOval(rect, paintStroke);
#endif

        canvas->restore();

        this->inval(nullptr);
    }
Example #23
0
// ensure that we don't accidentally screw up the bounds when the oval is
// fractional, and the impl computes the center and radii, and uses them to
// reconstruct the edges of the circle.
// see bug# 1504910
static void test_circlebounds(SkCanvas*) {
    SkRect r = { 1.39999998f, 1, 21.3999996f, 21 };
    SkPath p;
    p.addOval(r);
    SkASSERT(r == p.getBounds());
}
Example #24
0
static void draw_oval(SkCanvas* canvas, bool showGL, int flags) {
    SkPaint paint;
    paint.setAntiAlias(true);

    SkRect r = SkRect::MakeLTRB(50, 70, 250, 370);

    setFade(&paint, showGL);
    canvas->drawOval(r, paint);
    if (showGL) {
        switch (flags) {
            case 0: {
                SkPath path;
                path.addOval(r);
                show_glframe(canvas, path);
            } break;
            case 1:
            case 3: {
                SkPath src, dst;
                src.addOval(r);
                tesselate(src, &dst);
                show_fan(canvas, dst, r.centerX(), r.centerY());
            } break;
            case 2: {
                SkPaint p(paint);
                show_mesh(canvas, r);
                setGLFrame(&p);
                paint.setStyle(SkPaint::kFill_Style);
                canvas->drawCircle(r.centerX(), r.centerY(), 3, p);
            } break;
        }
    }

    canvas->translate(320, 0);

    paint.setStyle(SkPaint::kStroke_Style);
    paint.setStrokeWidth(25);
    canvas->drawOval(r, paint);
    if (showGL) {
        switch (flags) {
            case 0: {
                SkPath path;
                SkScalar rad = paint.getStrokeWidth() / 2;
                r.outset(rad, rad);
                path.addOval(r);
                r.inset(rad*2, rad*2);
                path.addOval(r);
                show_glframe(canvas, path);
            } break;
            case 1: {
                SkPath path0, path1;
                SkScalar rad = paint.getStrokeWidth() / 2;
                r.outset(rad, rad);
                path0.addOval(r);
                r.inset(rad*2, rad*2);
                path1.addOval(r);
                show_mesh_between(canvas, path0, path1);
            } break;
            case 2: {
                SkPath path;
                path.addOval(r);
                show_glframe(canvas, path);
                SkScalar rad = paint.getStrokeWidth() / 2;
                r.outset(rad, rad);
                show_mesh(canvas, r);
            } break;
            case 3: {
                SkScalar rad = paint.getStrokeWidth() / 2;
                r.outset(rad, rad);
                SkPaint paint;
                paint.setAlpha(0x33);
                canvas->drawRect(r, paint);
                show_mesh(canvas, r);
            } break;
        }
    }
}
Example #25
0
void WRasterImage::Impl::drawPlainPath(SkPath &p, const WPainterPath& path)
{
  const std::vector<WPainterPath::Segment>& segments = path.segments();

  if (segments.size() > 0
      && segments[0].type() != WPainterPath::Segment::MoveTo)
    p.moveTo(SkDoubleToScalar(0), SkDoubleToScalar(0));

  for (unsigned i = 0; i < segments.size(); ++i) {
    const WPainterPath::Segment s = segments[i];

    switch (s.type()) {
    case WPainterPath::Segment::MoveTo:
      p.moveTo(SkDoubleToScalar(s.x()), SkDoubleToScalar(s.y()));
      break;
    case WPainterPath::Segment::LineTo:
      p.lineTo(SkDoubleToScalar(s.x()), SkDoubleToScalar(s.y()));
      break;
    case WPainterPath::Segment::CubicC1: {
      const double x1 = s.x();
      const double y1 = s.y();
      const double x2 = segments[i+1].x();
      const double y2 = segments[i+1].y();
      const double x3 = segments[i+2].x();
      const double y3 = segments[i+2].y();
      p.cubicTo(SkDoubleToScalar(x1), SkDoubleToScalar(y1),
                SkDoubleToScalar(x2), SkDoubleToScalar(y2),
                SkDoubleToScalar(x3), SkDoubleToScalar(y3));
      i += 2;
      break;
    }
    case WPainterPath::Segment::CubicC2:
    case WPainterPath::Segment::CubicEnd:
      assert(false);
    case WPainterPath::Segment::ArcC: {
      const double x = s.x();
      const double y = s.y();
      const double width = segments[i+1].x();
      const double height = segments[i+1].y();
      const double startAngle = segments[i+2].x();
      const double sweepAngle = segments[i+2].y();
      SkRect rect = SkRect::MakeXYWH(SkDoubleToScalar(x - width),
				     SkDoubleToScalar(y - height),
				     SkDoubleToScalar(width * 2.0),
				     SkDoubleToScalar(height * 2.0));
      if (sweepAngle != 360) 
	p.arcTo(rect,
		SkDoubleToScalar(-startAngle), SkDoubleToScalar(-sweepAngle),
		false);
      else
	p.addOval(rect, SkPath::kCCW_Direction);

      i += 2;
      break;
    }
    case WPainterPath::Segment::ArcR:
    case WPainterPath::Segment::ArcAngleSweep:
      assert(false);
    case WPainterPath::Segment::QuadC: {
      const double x1 = s.x();
      const double y1 = s.y();
      const double x2 = segments[i+1].x();
      const double y2 = segments[i+1].y();
      
      p.quadTo(SkDoubleToScalar(x1), SkDoubleToScalar(y1),
              SkDoubleToScalar(x2), SkDoubleToScalar(y2));

      i += 1;

      break;
    }
    case WPainterPath::Segment::QuadEnd:
      assert(false);
    }
  }
}
Example #26
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);
    }
Example #27
0
static void test_clip_bound_opt(skiatest::Reporter* reporter) {
    // Test for crbug.com/229011
    SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4),
                                    SkIntToScalar(2), SkIntToScalar(2));
    SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7),
                                    SkIntToScalar(1), SkIntToScalar(1));
    SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6),
                                    SkIntToScalar(1), SkIntToScalar(1));

    SkPath invPath;
    invPath.addOval(rect1);
    invPath.setFillType(SkPath::kInverseEvenOdd_FillType);
    SkPath path;
    path.addOval(rect2);
    SkPath path2;
    path2.addOval(rect3);
    SkIRect clipBounds;
    SkPictureRecorder recorder;

    // Testing conservative-raster-clip that is enabled by PictureRecord
    {
        SkCanvas* canvas = recorder.beginRecording(10, 10);
        canvas->clipPath(invPath, SkRegion::kIntersect_Op);
        bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds);
        REPORTER_ASSERT(reporter, true == nonEmpty);
        REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft);
        REPORTER_ASSERT(reporter, 0 == clipBounds.fTop);
        REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom);
        REPORTER_ASSERT(reporter, 10 == clipBounds.fRight);
    }
    {
        SkCanvas* canvas = recorder.beginRecording(10, 10);
        canvas->clipPath(path, SkRegion::kIntersect_Op);
        canvas->clipPath(invPath, SkRegion::kIntersect_Op);
        bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds);
        REPORTER_ASSERT(reporter, true == nonEmpty);
        REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft);
        REPORTER_ASSERT(reporter, 7 == clipBounds.fTop);
        REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom);
        REPORTER_ASSERT(reporter, 8 == clipBounds.fRight);
    }
    {
        SkCanvas* canvas = recorder.beginRecording(10, 10);
        canvas->clipPath(path, SkRegion::kIntersect_Op);
        canvas->clipPath(invPath, SkRegion::kUnion_Op);
        bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds);
        REPORTER_ASSERT(reporter, true == nonEmpty);
        REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft);
        REPORTER_ASSERT(reporter, 0 == clipBounds.fTop);
        REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom);
        REPORTER_ASSERT(reporter, 10 == clipBounds.fRight);
    }
    {
        SkCanvas* canvas = recorder.beginRecording(10, 10);
        canvas->clipPath(path, SkRegion::kDifference_Op);
        bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds);
        REPORTER_ASSERT(reporter, true == nonEmpty);
        REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft);
        REPORTER_ASSERT(reporter, 0 == clipBounds.fTop);
        REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom);
        REPORTER_ASSERT(reporter, 10 == clipBounds.fRight);
    }
    {
        SkCanvas* canvas = recorder.beginRecording(10, 10);
        canvas->clipPath(path, SkRegion::kReverseDifference_Op);
        bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds);
        // True clip is actually empty in this case, but the best
        // determination we can make using only bounds as input is that the
        // clip is included in the bounds of 'path'.
        REPORTER_ASSERT(reporter, true == nonEmpty);
        REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft);
        REPORTER_ASSERT(reporter, 7 == clipBounds.fTop);
        REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom);
        REPORTER_ASSERT(reporter, 8 == clipBounds.fRight);
    }
    {
        SkCanvas* canvas = recorder.beginRecording(10, 10);
        canvas->clipPath(path, SkRegion::kIntersect_Op);
        canvas->clipPath(path2, SkRegion::kXOR_Op);
        bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds);
        REPORTER_ASSERT(reporter, true == nonEmpty);
        REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft);
        REPORTER_ASSERT(reporter, 6 == clipBounds.fTop);
        REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom);
        REPORTER_ASSERT(reporter, 8 == clipBounds.fRight);
    }
}