diff options
| -rw-r--r-- | gm/dashing.cpp | 26 | ||||
| -rw-r--r-- | gyp/SampleApp.gyp | 1 | ||||
| -rw-r--r-- | samplecode/SampleMegaStroke.cpp | 99 |
3 files changed, 126 insertions, 0 deletions
diff --git a/gm/dashing.cpp b/gm/dashing.cpp index aed4c0019f..e44e356b87 100644 --- a/gm/dashing.cpp +++ b/gm/dashing.cpp @@ -502,6 +502,32 @@ DEF_SIMPLE_GM(longpathdash, canvas, 512, 512) { canvas->drawPath(lines, p); } +DEF_SIMPLE_GM(longlinedash, canvas, 512, 512) { + SkPaint p; + p.setAntiAlias(true); + p.setStyle(SkPaint::kStroke_Style); + p.setStrokeWidth(80); + + const SkScalar intervals[] = { 2, 2 }; + p.setPathEffect(SkDashPathEffect::Create(intervals, SK_ARRAY_COUNT(intervals), 0))->unref(); + canvas->drawRect(SkRect::MakeXYWH(-10000, 100, 20000, 20), p); +} + +DEF_SIMPLE_GM(longwavyline, canvas, 512, 512) { + SkPaint p; + p.setAntiAlias(true); + p.setStyle(SkPaint::kStroke_Style); + p.setStrokeWidth(2); + + SkPath wavy; + wavy.moveTo(-10000, 100); + for (SkScalar i = -10000; i < 10000; i += 20) { + wavy.quadTo(i + 5, 95, i + 10, 100); + wavy.quadTo(i + 15, 105, i + 20, 100); + } + canvas->drawPath(wavy, p); +} + ////////////////////////////////////////////////////////////////////////////// DEF_GM(return new DashingGM;) diff --git a/gyp/SampleApp.gyp b/gyp/SampleApp.gyp index 7409b76f20..1cd78b77d2 100644 --- a/gyp/SampleApp.gyp +++ b/gyp/SampleApp.gyp @@ -85,6 +85,7 @@ '../samplecode/SampleLua.cpp', '../samplecode/SampleManyRects.cpp', '../samplecode/SampleMeasure.cpp', + '../samplecode/SampleMegaStroke.cpp', '../samplecode/SamplePatch.cpp', '../samplecode/SamplePath.cpp', '../samplecode/SamplePathClip.cpp', diff --git a/samplecode/SampleMegaStroke.cpp b/samplecode/SampleMegaStroke.cpp new file mode 100644 index 0000000000..d85915600a --- /dev/null +++ b/samplecode/SampleMegaStroke.cpp @@ -0,0 +1,99 @@ +/* + * Copyright 2016 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "SampleCode.h" +#include "SkCanvas.h" +#include "SkPath.h" +#include "SkRandom.h" + +class MegaStrokeView : public SampleView { +public: + MegaStrokeView() { + fClip.set(0, 0, 950, 600); + fAngle = 0; + fPlusMinus = 0; + SkRandom rand; + fMegaPath.reset(); + for (int index = 0; index < 921; ++index) { + for (int segs = 0; segs < 40; ++segs) { + fMegaPath.lineTo(SkIntToScalar(index), SkIntToScalar(rand.nextRangeU(500, 600))); + } + } + } + +protected: + // overrides from SkEventSink + bool onQuery(SkEvent* evt) override { + if (SampleCode::TitleQ(*evt)) { + SampleCode::TitleR(evt, "MegaStroke"); + return true; + } + + SkUnichar uni; + if (SampleCode::CharQ(*evt, &uni)) { + fClip.set(0, 0, 950, 600); + } + SkString str; + evt->getType(&str); + if (str == SkString("SampleCode_Key_Event")) { + fClip.set(0, 0, 950, 600); + } + return this->INHERITED::onQuery(evt); + } + + void onDrawBackground(SkCanvas* canvas) override { + } + + void onDrawContent(SkCanvas* canvas) override { + SkPaint paint; + paint.setAntiAlias(true); + paint.setARGB(255,255,153,0); + paint.setStyle(SkPaint::kStroke_Style); + paint.setStrokeWidth(1); + + canvas->save(); + canvas->clipRect(fClip); + canvas->clear(SK_ColorWHITE); + canvas->drawPath(fMegaPath, paint); + canvas->restore(); + + SkPaint divSimPaint; + divSimPaint.setColor(SK_ColorBLUE); + SkScalar x = SkScalarSin(fAngle * SK_ScalarPI / 180) * 200 + 250; + SkScalar y = SkScalarCos(fAngle * SK_ScalarPI / 180) * 200 + 250; + + if ((fPlusMinus ^= 1)) { + fAngle += 5; + } else { + fAngle -= 5; + } + SkRect divSim = SkRect::MakeXYWH(x, y, 100, 100); + divSim.outset(30, 30); + canvas->drawRect(divSim, divSimPaint); + fClip = divSim; + } + + void onSizeChange() override { + fClip.set(0, 0, 950, 600); + } + + bool onAnimate(const SkAnimTimer& ) override { + return true; + } + +private: + SkPath fMegaPath; + SkRect fClip; + int fAngle; + int fPlusMinus; + typedef SampleView INHERITED; +}; + +////////////////////////////////////////////////////////////////////////////// + +static SkView* MyFactory() { return new MegaStrokeView; } +static SkViewRegister reg(MyFactory); |