|  | /* | 
|  | * Copyright 2011 Google Inc. | 
|  | * | 
|  | * Use of this source code is governed by a BSD-style license that can be | 
|  | * found in the LICENSE file. | 
|  | */ | 
|  |  | 
|  | #include "gm/gm.h" | 
|  | #include "include/core/SkCanvas.h" | 
|  | #include "include/core/SkColor.h" | 
|  | #include "include/core/SkPaint.h" | 
|  | #include "include/core/SkPath.h" | 
|  | #include "include/core/SkPathBuilder.h" | 
|  | #include "include/core/SkPathEffect.h" | 
|  | #include "include/core/SkPathUtils.h" | 
|  | #include "include/core/SkPoint.h" | 
|  | #include "include/core/SkRect.h" | 
|  | #include "include/core/SkScalar.h" | 
|  | #include "include/core/SkSize.h" | 
|  | #include "include/core/SkString.h" | 
|  | #include "include/core/SkTypes.h" | 
|  | #include "include/effects/SkDashPathEffect.h" | 
|  | #include "include/utils/SkParsePath.h" | 
|  | #include "src/base/SkFloatBits.h" | 
|  | #include "src/base/SkRandom.h" | 
|  | #include "tools/ToolUtils.h" | 
|  |  | 
|  | #include <string.h> | 
|  |  | 
|  | #if defined(SK_GRAPHITE) | 
|  | #include "include/gpu/graphite/ContextOptions.h" | 
|  | #endif | 
|  |  | 
|  | #define W   400 | 
|  | #define H   400 | 
|  | #define N   50 | 
|  |  | 
|  | constexpr SkScalar SW = SkIntToScalar(W); | 
|  | constexpr SkScalar SH = SkIntToScalar(H); | 
|  |  | 
|  | static void rnd_rect(SkRect* r, SkPaint* paint, SkRandom& rand) { | 
|  | SkScalar x = rand.nextUScalar1() * W; | 
|  | SkScalar y = rand.nextUScalar1() * H; | 
|  | SkScalar w = rand.nextUScalar1() * (W >> 2); | 
|  | SkScalar h = rand.nextUScalar1() * (H >> 2); | 
|  | SkScalar hoffset = rand.nextSScalar1(); | 
|  | SkScalar woffset = rand.nextSScalar1(); | 
|  |  | 
|  | r->setXYWH(x, y, w, h); | 
|  | r->offset(-w/2 + woffset, -h/2 + hoffset); | 
|  |  | 
|  | paint->setColor(rand.nextU()); | 
|  | paint->setAlphaf(1.0f); | 
|  | } | 
|  |  | 
|  |  | 
|  | class StrokesGM : public skiagm::GM { | 
|  | public: | 
|  | StrokesGM() {} | 
|  |  | 
|  | protected: | 
|  | SkString getName() const override { return SkString("strokes_round"); } | 
|  |  | 
|  | SkISize getISize() override { return SkISize::Make(W, H * 2); } | 
|  |  | 
|  | #if defined(SK_GRAPHITE) | 
|  | void modifyGraphiteContextOptions(skgpu::graphite::ContextOptions* options) const override { | 
|  | options->fMaxPathAtlasTextureSize = 0; | 
|  | options->fAllowMultipleAtlasTextures = false; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | void onDraw(SkCanvas* canvas) override { | 
|  | SkPaint paint; | 
|  | paint.setStyle(SkPaint::kStroke_Style); | 
|  | paint.setStrokeWidth(SkIntToScalar(9)/2); | 
|  |  | 
|  | for (int y = 0; y < 2; y++) { | 
|  | paint.setAntiAlias(!!y); | 
|  | SkAutoCanvasRestore acr(canvas, true); | 
|  | canvas->translate(0, SH * y); | 
|  | canvas->clipRect(SkRect::MakeLTRB( | 
|  | SkIntToScalar(2), SkIntToScalar(2) | 
|  | , SW - SkIntToScalar(2), SH - SkIntToScalar(2) | 
|  | )); | 
|  |  | 
|  | SkRandom rand; | 
|  | for (int i = 0; i < N; i++) { | 
|  | SkRect r; | 
|  | rnd_rect(&r, &paint, rand); | 
|  | canvas->drawOval(r, paint); | 
|  | rnd_rect(&r, &paint, rand); | 
|  | canvas->drawRoundRect(r, r.width()/4, r.height()/4, paint); | 
|  | rnd_rect(&r, &paint, rand); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | private: | 
|  | using INHERITED = skiagm::GM; | 
|  | }; | 
|  |  | 
|  | /* See | 
|  | https://code.google.com/p/chromium/issues/detail?id=422974          and | 
|  | http://jsfiddle.net/1xnku3sg/2/ | 
|  | */ | 
|  | class ZeroLenStrokesGM : public skiagm::GM { | 
|  | SkPath fMoveHfPath, fMoveZfPath, fDashedfPath, fRefPath[4]; | 
|  | SkPath fCubicPath, fQuadPath, fLinePath; | 
|  | protected: | 
|  | void onOnceBeforeDraw() override { | 
|  | auto parse_assert_result = [](const char str[]) { | 
|  | auto path = SkParsePath::FromSVGString(str); | 
|  | SkAssertResult(path.has_value()); | 
|  | return *path; | 
|  | }; | 
|  |  | 
|  | fMoveHfPath = parse_assert_result("M0,0h0M10,0h0M20,0h0"); | 
|  | fMoveZfPath = parse_assert_result("M0,0zM10,0zM20,0z"); | 
|  | fDashedfPath = parse_assert_result("M0,0h25"); | 
|  | fCubicPath = parse_assert_result("M 0 0 C 0 0 0 0 0 0"); | 
|  | fQuadPath = parse_assert_result("M 0 0 Q 0 0 0 0"); | 
|  | fLinePath = parse_assert_result("M 0 0 L 0 0"); | 
|  |  | 
|  | SkPathBuilder builders[4]; | 
|  | for (int i = 0; i < 3; ++i) { | 
|  | builders[0].addCircle(i * 10.f, 0, 5); | 
|  | builders[1].addCircle(i * 10.f, 0, 10); | 
|  | builders[2].addRect({i * 10.f - 4, -2, i * 10.f + 4, 6}); | 
|  | builders[3].addRect({i * 10.f - 10, -10, i * 10.f + 10, 10}); | 
|  | } | 
|  | for (int i = 0; i < 4; ++i) { | 
|  | fRefPath[i] = builders[i].detach(); | 
|  | } | 
|  | } | 
|  |  | 
|  | SkString getName() const override { return SkString("zeroPath"); } | 
|  |  | 
|  | SkISize getISize() override { return SkISize::Make(W, H * 2); } | 
|  |  | 
|  | void onDraw(SkCanvas* canvas) override { | 
|  | SkPaint fillPaint, strokePaint, dashPaint; | 
|  | fillPaint.setAntiAlias(true); | 
|  | strokePaint = fillPaint; | 
|  | strokePaint.setStyle(SkPaint::kStroke_Style); | 
|  | for (int i = 0; i < 2; ++i) { | 
|  | fillPaint.setAlphaf(1.0f); | 
|  | strokePaint.setAlphaf(1.0f); | 
|  | strokePaint.setStrokeWidth(i ? 8.f : 10.f); | 
|  | strokePaint.setStrokeCap(i ? SkPaint::kSquare_Cap : SkPaint::kRound_Cap); | 
|  | canvas->save(); | 
|  | canvas->translate(10 + i * 100.f, 10); | 
|  | canvas->drawPath(fMoveHfPath, strokePaint); | 
|  | canvas->translate(0, 20); | 
|  | canvas->drawPath(fMoveZfPath, strokePaint); | 
|  | dashPaint = strokePaint; | 
|  | const SkScalar intervals[] = { 0, 10 }; | 
|  | dashPaint.setPathEffect(SkDashPathEffect::Make(intervals, 0)); | 
|  | (void)skpathutils::FillPathWithPaint(fDashedfPath, dashPaint); | 
|  | canvas->translate(0, 20); | 
|  | canvas->drawPath(fDashedfPath, dashPaint); | 
|  | canvas->translate(0, 20); | 
|  | canvas->drawPath(fRefPath[i * 2], fillPaint); | 
|  | strokePaint.setStrokeWidth(20); | 
|  | strokePaint.setAlphaf(0.5f); | 
|  | canvas->translate(0, 50); | 
|  | canvas->drawPath(fMoveHfPath, strokePaint); | 
|  | canvas->translate(0, 30); | 
|  | canvas->drawPath(fMoveZfPath, strokePaint); | 
|  | canvas->translate(0, 30); | 
|  | fillPaint.setAlphaf(0.5f); | 
|  | canvas->drawPath(fRefPath[1 + i * 2], fillPaint); | 
|  | canvas->translate(0, 30); | 
|  | canvas->drawPath(fCubicPath, strokePaint); | 
|  | canvas->translate(0, 30); | 
|  | canvas->drawPath(fQuadPath, strokePaint); | 
|  | canvas->translate(0, 30); | 
|  | canvas->drawPath(fLinePath, strokePaint); | 
|  | canvas->restore(); | 
|  | } | 
|  | } | 
|  |  | 
|  | private: | 
|  | using INHERITED = skiagm::GM; | 
|  | }; | 
|  |  | 
|  | class TeenyStrokesGM : public skiagm::GM { | 
|  | SkString getName() const override { return SkString("teenyStrokes"); } | 
|  |  | 
|  | SkISize getISize() override { return SkISize::Make(W, H * 2); } | 
|  |  | 
|  | static void line(SkScalar scale, SkCanvas* canvas, SkColor color) { | 
|  | SkPaint p; | 
|  | p.setAntiAlias(true); | 
|  | p.setStyle(SkPaint::kStroke_Style); | 
|  | p.setColor(color); | 
|  | canvas->translate(50, 0); | 
|  | canvas->save(); | 
|  | p.setStrokeWidth(scale * 5); | 
|  | canvas->scale(1 / scale, 1 / scale); | 
|  | canvas->drawLine(20 * scale, 20 * scale, 20 * scale, 100 * scale, p); | 
|  | canvas->drawLine(20 * scale, 20 * scale, 100 * scale, 100 * scale, p); | 
|  | canvas->restore(); | 
|  | } | 
|  |  | 
|  | void onDraw(SkCanvas* canvas) override { | 
|  | line(0.00005f, canvas, SK_ColorBLACK); | 
|  | line(0.000045f, canvas, SK_ColorRED); | 
|  | line(0.0000035f, canvas, SK_ColorGREEN); | 
|  | line(0.000003f, canvas, SK_ColorBLUE); | 
|  | line(0.000002f, canvas, SK_ColorBLACK); | 
|  | } | 
|  | private: | 
|  | using INHERITED = skiagm::GM; | 
|  | }; | 
|  |  | 
|  | DEF_SIMPLE_GM(CubicStroke, canvas, 384, 384) { | 
|  | SkPaint p; | 
|  | p.setAntiAlias(true); | 
|  | p.setStyle(SkPaint::kStroke_Style); | 
|  | p.setStrokeWidth(1.0720f); | 
|  | SkPath path = SkPathBuilder() | 
|  | .moveTo(-6000,-6000) | 
|  | .cubicTo(-3500,5500,-500,5500,2500,-6500) | 
|  | .detach(); | 
|  | canvas->drawPath(path, p); | 
|  | p.setStrokeWidth(1.0721f); | 
|  | canvas->translate(10, 10); | 
|  | canvas->drawPath(path, p); | 
|  | p.setStrokeWidth(1.0722f); | 
|  | canvas->translate(10, 10); | 
|  | canvas->drawPath(path, p); | 
|  | } | 
|  |  | 
|  | DEF_SIMPLE_GM(zerolinestroke, canvas, 90, 120) { | 
|  | SkPaint paint; | 
|  | paint.setStyle(SkPaint::kStroke_Style); | 
|  | paint.setStrokeWidth(20); | 
|  | paint.setAntiAlias(true); | 
|  | paint.setStrokeCap(SkPaint::kRound_Cap); | 
|  |  | 
|  | SkPath path = SkPathBuilder() | 
|  | .moveTo(30, 90) | 
|  | .lineTo(30, 90) | 
|  | .lineTo(60, 90) | 
|  | .lineTo(60, 90) | 
|  | .detach(); | 
|  | canvas->drawPath(path, paint); | 
|  |  | 
|  | path = SkPath::Line({30, 30}, {60, 30}); | 
|  | canvas->drawPath(path, paint); | 
|  |  | 
|  | path = SkPathBuilder() | 
|  | .moveTo(30, 60) | 
|  | .lineTo(30, 60) | 
|  | .lineTo(60, 60) | 
|  | .detach(); | 
|  | canvas->drawPath(path, paint); | 
|  | } | 
|  |  | 
|  | DEF_SIMPLE_GM(quadcap, canvas, 200, 200) { | 
|  | SkPaint p; | 
|  | p.setAntiAlias(true); | 
|  | p.setStyle(SkPaint::kStroke_Style); | 
|  | p.setStrokeWidth(0); | 
|  | SkPoint pts[] = {{105.738571f,13.126318f}, | 
|  | {105.738571f,13.126318f}, | 
|  | {123.753784f,1.f}}; | 
|  | SkVector tangent = pts[1] - pts[2]; | 
|  | tangent.normalize(); | 
|  | SkPoint pts2[3]; | 
|  | memcpy(pts2, pts, sizeof(pts)); | 
|  | const SkScalar capOutset = SK_ScalarPI / 8; | 
|  | pts2[0].fX += tangent.fX * capOutset; | 
|  | pts2[0].fY += tangent.fY * capOutset; | 
|  | pts2[1].fX += tangent.fX * capOutset; | 
|  | pts2[1].fY += tangent.fY * capOutset; | 
|  | pts2[2].fX += -tangent.fX * capOutset; | 
|  | pts2[2].fY += -tangent.fY * capOutset; | 
|  |  | 
|  | SkPath path = SkPathBuilder().moveTo(pts2[0]).quadTo(pts2[1], pts2[2]).detach(); | 
|  | canvas->drawPath(path, p); | 
|  |  | 
|  | path = SkPathBuilder().moveTo(pts[0]).quadTo(pts[1], pts[2]).detach(); | 
|  | p.setStrokeCap(SkPaint::kRound_Cap); | 
|  | canvas->translate(30, 0); | 
|  | canvas->drawPath(path, p); | 
|  | } | 
|  |  | 
|  | class Strokes2GM : public skiagm::GM { | 
|  | SkPath fPath; | 
|  | protected: | 
|  | void onOnceBeforeDraw() override { | 
|  | SkRandom rand; | 
|  | SkPathBuilder builder; | 
|  | builder.moveTo(0, 0); | 
|  | for (int i = 0; i < 13; i++) { | 
|  | SkScalar x = rand.nextUScalar1() * (W >> 1); | 
|  | SkScalar y = rand.nextUScalar1() * (H >> 1); | 
|  | builder.lineTo(x, y); | 
|  | } | 
|  | fPath = builder.detach(); | 
|  | } | 
|  |  | 
|  | SkString getName() const override { return SkString("strokes_poly"); } | 
|  |  | 
|  | SkISize getISize() override { return SkISize::Make(W, H * 2); } | 
|  |  | 
|  | void onDraw(SkCanvas* canvas) override { | 
|  | canvas->drawColor(SK_ColorWHITE); | 
|  |  | 
|  | SkPaint paint; | 
|  | paint.setStyle(SkPaint::kStroke_Style); | 
|  | paint.setStrokeWidth(SkIntToScalar(9)/2); | 
|  |  | 
|  | for (int y = 0; y < 2; y++) { | 
|  | paint.setAntiAlias(!!y); | 
|  | SkAutoCanvasRestore acr(canvas, true); | 
|  | canvas->translate(0, SH * y); | 
|  | canvas->clipRect(SkRect::MakeLTRB(SkIntToScalar(2), | 
|  | SkIntToScalar(2), | 
|  | SW - SkIntToScalar(2), | 
|  | SH - SkIntToScalar(2))); | 
|  |  | 
|  | SkRandom rand; | 
|  | for (int i = 0; i < N/2; i++) { | 
|  | SkRect r; | 
|  | rnd_rect(&r, &paint, rand); | 
|  | canvas->rotate(SkIntToScalar(15), SW/2, SH/2); | 
|  | canvas->drawPath(fPath, paint); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | private: | 
|  | using INHERITED = skiagm::GM; | 
|  | }; | 
|  |  | 
|  | ////////////////////////////////////////////////////////////////////////////// | 
|  |  | 
|  | static SkRect inset(const SkRect& r) { | 
|  | SkRect rr(r); | 
|  | rr.inset(r.width()/10, r.height()/10); | 
|  | return rr; | 
|  | } | 
|  |  | 
|  | class Strokes3GM : public skiagm::GM { | 
|  | static SkPath make0(const SkRect& bounds, SkString* title) { | 
|  | title->set("CW CW"); | 
|  | return SkPathBuilder() | 
|  | .addRect(bounds, SkPathDirection::kCW) | 
|  | .addRect(inset(bounds), SkPathDirection::kCW) | 
|  | .detach(); | 
|  | } | 
|  |  | 
|  | static SkPath make1(const SkRect& bounds, SkString* title) { | 
|  | title->set("CW CCW"); | 
|  | return SkPathBuilder() | 
|  | .addRect(bounds, SkPathDirection::kCW) | 
|  | .addRect(inset(bounds), SkPathDirection::kCCW) | 
|  | .detach(); | 
|  | } | 
|  |  | 
|  | static SkPath make2(const SkRect& bounds, SkString* title) { | 
|  | title->set("CW CW"); | 
|  | return SkPathBuilder() | 
|  | .addOval(bounds, SkPathDirection::kCW) | 
|  | .addOval(inset(bounds), SkPathDirection::kCW) | 
|  | .detach(); | 
|  | } | 
|  |  | 
|  | static SkPath make3(const SkRect& bounds, SkString* title) { | 
|  | title->set("CW CCW"); | 
|  | return SkPathBuilder() | 
|  | .addOval(bounds, SkPathDirection::kCW) | 
|  | .addOval(inset(bounds), SkPathDirection::kCCW) | 
|  | .detach(); | 
|  | } | 
|  |  | 
|  | static SkPath make4(const SkRect& bounds, SkString* title) { | 
|  | title->set("CW CW"); | 
|  |  | 
|  | SkRect r = bounds; | 
|  | r.inset(bounds.width() / 10, -bounds.height() / 10); | 
|  | return SkPathBuilder() | 
|  | .addRect(bounds, SkPathDirection::kCW) | 
|  | .addOval(r, SkPathDirection::kCW) | 
|  | .detach(); | 
|  | } | 
|  |  | 
|  | static SkPath make5(const SkRect& bounds, SkString* title) { | 
|  | title->set("CW CCW"); | 
|  |  | 
|  | SkRect r = bounds; | 
|  | r.inset(bounds.width() / 10, -bounds.height() / 10); | 
|  | return SkPathBuilder() | 
|  | .addRect(bounds, SkPathDirection::kCW) | 
|  | .addOval(r, SkPathDirection::kCCW) | 
|  | .detach(); | 
|  | } | 
|  |  | 
|  | public: | 
|  | Strokes3GM() {} | 
|  |  | 
|  | protected: | 
|  | SkString getName() const override { return SkString("strokes3"); } | 
|  |  | 
|  | SkISize getISize() override { return SkISize::Make(1500, 1500); } | 
|  |  | 
|  | void onDraw(SkCanvas* canvas) override { | 
|  | SkPaint origPaint; | 
|  | origPaint.setAntiAlias(true); | 
|  | origPaint.setStyle(SkPaint::kStroke_Style); | 
|  | SkPaint fillPaint(origPaint); | 
|  | fillPaint.setColor(SK_ColorRED); | 
|  | SkPaint strokePaint(origPaint); | 
|  | strokePaint.setColor(ToolUtils::color_to_565(0xFF4444FF)); | 
|  |  | 
|  | SkPath (*procs[])(const SkRect&, SkString*) = { | 
|  | make0, make1, make2, make3, make4, make5 | 
|  | }; | 
|  |  | 
|  | canvas->translate(SkIntToScalar(20), SkIntToScalar(80)); | 
|  |  | 
|  | SkRect bounds = SkRect::MakeWH(SkIntToScalar(50), SkIntToScalar(50)); | 
|  | SkScalar dx = bounds.width() * 4/3; | 
|  | SkScalar dy = bounds.height() * 5; | 
|  |  | 
|  | for (size_t i = 0; i < std::size(procs); ++i) { | 
|  | SkString str; | 
|  | SkPath orig = procs[i](bounds, &str); | 
|  |  | 
|  | canvas->save(); | 
|  | for (int j = 0; j < 13; ++j) { | 
|  | strokePaint.setStrokeWidth(SK_Scalar1 * j * j); | 
|  | canvas->drawPath(orig, strokePaint); | 
|  | canvas->drawPath(orig, origPaint); | 
|  | SkPath fill = skpathutils::FillPathWithPaint(orig, strokePaint); | 
|  | canvas->drawPath(fill, fillPaint); | 
|  | canvas->translate(dx + strokePaint.getStrokeWidth(), 0); | 
|  | } | 
|  | canvas->restore(); | 
|  | canvas->translate(0, dy); | 
|  | } | 
|  | } | 
|  |  | 
|  | private: | 
|  | using INHERITED = skiagm::GM; | 
|  | }; | 
|  |  | 
|  | class Strokes4GM : public skiagm::GM { | 
|  | public: | 
|  | Strokes4GM() {} | 
|  |  | 
|  | protected: | 
|  | SkString getName() const override { return SkString("strokes_zoomed"); } | 
|  |  | 
|  | SkISize getISize() override { return SkISize::Make(W, H * 2); } | 
|  |  | 
|  | void onDraw(SkCanvas* canvas) override { | 
|  | SkPaint paint; | 
|  | paint.setStyle(SkPaint::kStroke_Style); | 
|  | paint.setStrokeWidth(0.055f); | 
|  |  | 
|  | canvas->scale(1000, 1000); | 
|  | canvas->drawCircle(0, 2, 1.97f, paint); | 
|  | } | 
|  |  | 
|  | private: | 
|  | using INHERITED = skiagm::GM; | 
|  | }; | 
|  |  | 
|  | // Test stroking for curves that produce degenerate tangents when t is 0 or 1 (skbug.com/40035337) | 
|  | class Strokes5GM : public skiagm::GM { | 
|  | public: | 
|  | Strokes5GM() {} | 
|  |  | 
|  | protected: | 
|  | SkString getName() const override { return SkString("zero_control_stroke"); } | 
|  |  | 
|  | SkISize getISize() override { return SkISize::Make(W, H * 2); } | 
|  |  | 
|  | void onDraw(SkCanvas* canvas) override { | 
|  | SkPaint p; | 
|  | p.setColor(SK_ColorRED); | 
|  | p.setAntiAlias(true); | 
|  | p.setStyle(SkPaint::kStroke_Style); | 
|  | p.setStrokeWidth(40); | 
|  | p.setStrokeCap(SkPaint::kButt_Cap); | 
|  |  | 
|  | SkPath path = SkPathBuilder() | 
|  | .moveTo(157.474f,111.753f) | 
|  | .cubicTo(128.5f,111.5f,35.5f,29.5f,35.5f,29.5f) | 
|  | .detach(); | 
|  | canvas->drawPath(path, p); | 
|  | path = SkPathBuilder() | 
|  | .moveTo(250, 50) | 
|  | .quadTo(280, 80, 280, 80) | 
|  | .detach(); | 
|  | canvas->drawPath(path, p); | 
|  | path = SkPathBuilder() | 
|  | .moveTo(150, 50) | 
|  | .conicTo(180, 80, 180, 80, 0.707f) | 
|  | .detach(); | 
|  | canvas->drawPath(path, p); | 
|  |  | 
|  | path = SkPathBuilder() | 
|  | .moveTo(157.474f,311.753f) | 
|  | .cubicTo(157.474f,311.753f,85.5f,229.5f,35.5f,229.5f) | 
|  | .detach(); | 
|  | canvas->drawPath(path, p); | 
|  | path = SkPathBuilder() | 
|  | .moveTo(280, 250) | 
|  | .quadTo(280, 250, 310, 280) | 
|  | .detach(); | 
|  | canvas->drawPath(path, p); | 
|  | path = SkPathBuilder() | 
|  | .moveTo(180, 250) | 
|  | .conicTo(180, 250, 210, 280, 0.707f) | 
|  | .detach(); | 
|  | canvas->drawPath(path, p); | 
|  | } | 
|  |  | 
|  | private: | 
|  | using INHERITED = skiagm::GM; | 
|  | }; | 
|  |  | 
|  |  | 
|  | ////////////////////////////////////////////////////////////////////////////// | 
|  |  | 
|  | DEF_GM( return new StrokesGM; ) | 
|  | DEF_GM( return new Strokes2GM; ) | 
|  | DEF_GM( return new Strokes3GM; ) | 
|  | DEF_GM( return new Strokes4GM; ) | 
|  | DEF_GM( return new Strokes5GM; ) | 
|  |  | 
|  | DEF_GM( return new ZeroLenStrokesGM; ) | 
|  | DEF_GM( return new TeenyStrokesGM; ) | 
|  |  | 
|  | DEF_SIMPLE_GM(zerolinedash, canvas, 256, 256) { | 
|  | canvas->clear(SK_ColorWHITE); | 
|  |  | 
|  | SkPaint paint; | 
|  | paint.setColor(SkColorSetARGB(255, 0, 0, 0)); | 
|  | paint.setStrokeWidth(11); | 
|  | paint.setStrokeCap(SkPaint::kRound_Cap); | 
|  | paint.setStrokeJoin(SkPaint::kBevel_Join); | 
|  |  | 
|  | SkScalar dash_pattern[] = {1, 5}; | 
|  | paint.setPathEffect(SkDashPathEffect::Make(dash_pattern, 0)); | 
|  |  | 
|  | canvas->drawLine(100, 100, 100, 100, paint); | 
|  | } | 
|  |  | 
|  | #ifdef PDF_IS_FIXED_SO_THIS_DOESNT_BREAK_IT | 
|  | DEF_SIMPLE_GM(longrect_dash, canvas, 250, 250) { | 
|  | canvas->clear(SK_ColorWHITE); | 
|  |  | 
|  | SkPaint paint; | 
|  | paint.setColor(SkColorSetARGB(255, 0, 0, 0)); | 
|  | paint.setStrokeWidth(5); | 
|  | paint.setStrokeCap(SkPaint::kRound_Cap); | 
|  | paint.setStrokeJoin(SkPaint::kBevel_Join); | 
|  | paint.setStyle(SkPaint::kStroke_Style); | 
|  | SkScalar dash_pattern[] = {1, 5}; | 
|  | paint.setPathEffect(SkDashPathEffect::Make(dash_pattern, 2, 0)); | 
|  | // try all combinations of stretching bounds | 
|  | for (auto left : { 20.f, -100001.f } ) { | 
|  | for (auto top : { 20.f, -100001.f } ) { | 
|  | for (auto right : { 40.f, 100001.f } ) { | 
|  | for (auto bottom : { 40.f, 100001.f } ) { | 
|  | canvas->save(); | 
|  | canvas->clipRect({10, 10, 50, 50}); | 
|  | canvas->drawRect({left, top, right, bottom}, paint); | 
|  | canvas->restore(); | 
|  | canvas->translate(60, 0); | 
|  | } | 
|  | } | 
|  | canvas->translate(-60 * 4, 60); | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif | 
|  |  | 
|  | DEF_SIMPLE_GM(inner_join_geometry, canvas, 1000, 700) { | 
|  | // These paths trigger cases where we must add inner join geometry. | 
|  | // skbug.com/40043052 | 
|  | const SkPoint pathPoints[] = { | 
|  | /*moveTo*/  /*lineTo*/  /*lineTo*/ | 
|  | {119,  71}, {129, 151}, {230,  24}, | 
|  | {200, 144}, {129, 151}, {230,  24}, | 
|  | {192, 176}, {224, 175}, {281, 103}, | 
|  | {233, 205}, {224, 175}, {281, 103}, | 
|  | {121, 216}, {234, 189}, {195, 147}, | 
|  | {141, 216}, {254, 189}, {238, 250}, | 
|  | {159, 202}, {269, 197}, {289, 165}, | 
|  | {159, 202}, {269, 197}, {287, 227}, | 
|  | }; | 
|  |  | 
|  | SkPaint pathPaint; | 
|  | pathPaint.setStroke(true); | 
|  | pathPaint.setAntiAlias(true); | 
|  | pathPaint.setStrokeWidth(100); | 
|  |  | 
|  | SkPaint skeletonPaint; | 
|  | skeletonPaint.setStroke(true); | 
|  | skeletonPaint.setAntiAlias(true); | 
|  | skeletonPaint.setStrokeWidth(0); | 
|  | skeletonPaint.setColor(SK_ColorRED); | 
|  |  | 
|  | canvas->translate(0, 50); | 
|  | for (size_t i = 0; i < std::size(pathPoints) / 3; i++) { | 
|  | auto path = SkPath::Polygon({pathPoints + i * 3, 3}, false); | 
|  | canvas->drawPath(path, pathPaint); | 
|  |  | 
|  | SkPath fillPath = skpathutils::FillPathWithPaint(path, pathPaint); | 
|  | canvas->drawPath(fillPath, skeletonPaint); | 
|  |  | 
|  | canvas->translate(200, 0); | 
|  | if ((i + 1) % 4 == 0) { | 
|  | canvas->translate(-800, 200); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | DEF_SIMPLE_GM(skbug12244, canvas, 150, 150) { | 
|  | // Should look like a stroked triangle; these vertices are the results of the SkStroker | 
|  | // but we draw as a filled path in order to highlight that it's the GPU triangulating path | 
|  | // renderer that's the source of the problem, and not the stroking operation. The original | 
|  | // path was a simple: | 
|  | // m(0,0), l(100, 40), l(0, 80), l(0,0) with a stroke width of 15px | 
|  | SkPath path = SkPathBuilder() | 
|  | .moveTo(2.7854299545288085938, -6.9635753631591796875) | 
|  | .lineTo( 120.194366455078125,                   40) | 
|  | .lineTo(-7.5000004768371582031, 91.07775115966796875) | 
|  | .lineTo(-7.5000004768371582031, -11.077748298645019531) | 
|  | .lineTo(2.7854299545288085938, -6.9635753631591796875) | 
|  | .moveTo(-2.7854299545288085938, 6.9635753631591796875) | 
|  | .lineTo(                   0,                    0) | 
|  | .lineTo(                 7.5,                    0) | 
|  | .lineTo(7.5000004768371582031, 68.92224884033203125) | 
|  | .lineTo(  79.805633544921875,                   40) | 
|  | .lineTo(-2.7854299545288085938, 6.9635753631591796875) | 
|  | .detach(); | 
|  |  | 
|  | SkPaint p; | 
|  | p.setColor(SK_ColorGREEN); | 
|  |  | 
|  | canvas->translate(20.f, 20.f); | 
|  | canvas->drawPath(path, p); | 
|  | } | 
|  |  | 
|  | DEF_SIMPLE_GM(b_340982297, canvas, 80, 50) { | 
|  | SkPaint paint; | 
|  | paint.setAntiAlias(true); | 
|  |  | 
|  | SkPath path = SkPathBuilder() | 
|  | .moveTo(30.23983f, 48.5674667f) | 
|  | .lineTo(1.30884242f, 45.5222702f) | 
|  | .lineTo(2.97688866f, 29.6749554f) | 
|  | .lineTo(17.4423828f, 31.1975555f) | 
|  | .lineTo(2.94269657f, 30.0452003f) | 
|  | .lineTo(4.38597536f, 11.8849154f) | 
|  | .lineTo(33.3853493f, 14.1896257f) | 
|  | .close() | 
|  | .detach(); | 
|  |  | 
|  | canvas->drawPath(path, paint); | 
|  |  | 
|  | path = SkPathBuilder() | 
|  | .moveTo(73.3853455f, 4.18963623f) | 
|  | .lineTo(69.995636f, 39.1360626f) | 
|  | .lineTo(42.83145142f, 21.056778f) | 
|  | .lineTo(42.97689819f, 19.6749573f) | 
|  | .lineTo(57.4423828f, 21.1975555f) | 
|  | .lineTo(42.94268799f, 20.0451965f) | 
|  | .lineTo(44.38595581f, 1.88491821f) | 
|  | .close() | 
|  | .detach(); | 
|  |  | 
|  | canvas->drawPath(path, paint); | 
|  | } |