6df8e3495a
The looper can generate more than one quad, but if any one is degenerate, give up, but not before generating the state for the line join to produce the correct end. Before, the early return allowed the inside path to contain multiple movetos that caused reversePath to assert. R=reed@google.com Review URL: https://codereview.chromium.org/948043002
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "SkCanvas.h"
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#include "SkPath.h"
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#include "SkParsePath.h"
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#include "SkDashPathEffect.h"
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/*
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* Inspired by http://code.google.com/p/chromium/issues/detail?id=112145
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*/
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class DashCubicsGM : public skiagm::GM {
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public:
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DashCubicsGM() {}
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protected:
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virtual SkString onShortName() {
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return SkString("dashcubics");
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}
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virtual SkISize onISize() {
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return SkISize::Make(860, 700);
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}
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void flower(SkCanvas* canvas, const SkPath& path, SkScalar intervals[2], SkPaint::Join join) {
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SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 0);
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeJoin(join);
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paint.setStrokeWidth(42);
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canvas->drawPath(path, paint);
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paint.setColor(SK_ColorRED);
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paint.setStrokeWidth(21);
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paint.setPathEffect(pe)->unref();
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canvas->drawPath(path, paint);
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paint.setColor(SK_ColorGREEN);
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paint.setPathEffect(NULL);
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paint.setStrokeWidth(0);
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canvas->drawPath(path, paint);
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}
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virtual void onDraw(SkCanvas* canvas) {
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SkPath path;
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const char* d = "M 337,98 C 250,141 250,212 250,212 C 250,212 250,212 250,212"
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"C 250,212 250,212 250,212 C 250,212 250,141 163,98 C 156,195 217,231 217,231"
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"C 217,231 217,231 217,231 C 217,231 217,231 217,231 C 217,231 156,195 75,250"
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"C 156,305 217,269 217,269 C 217,269 217,269 217,269 C 217,269 217,269 217,269"
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"C 217,269 156,305 163,402 C 250,359 250,288 250,288 C 250,288 250,288 250,288"
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"C 250,288 250,288 250,288 C 250,288 250,359 338,402 C 345,305 283,269 283,269"
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"C 283,269 283,269 283,269 C 283,269 283,269 283,269 C 283,269 345,305 425,250"
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"C 344,195 283,231 283,231 C 283,231 283,231 283,231 C 283,231 283,231 283,231"
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"C 283,231 344,195 338,98";
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SkParsePath::FromSVGString(d, &path);
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canvas->translate(-35.f, -55.f);
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for (int x = 0; x < 2; ++x) {
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for (int y = 0; y < 2; ++y) {
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canvas->save();
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canvas->translate(x * 430.f, y * 355.f);
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SkScalar intervals[] = { 5 + (x ? 0 : 0.0001f + 0.0001f), 10 };
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flower(canvas, path, intervals, y ? SkPaint::kDefault_Join : SkPaint::kRound_Join);
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canvas->restore();
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}
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}
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}
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private:
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static skiagm::GM* MyFactory(void*) { return new DashCubicsGM; }
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static skiagm::GMRegistry reg(MyFactory);
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