aa458fb20a
BUG=skia:3075 TEST=ninja -C out/Debug TBR=reed@google.com Review URL: https://codereview.chromium.org/831113002
84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
/*
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* Copyright 2013 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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class CircularClipsGM : public skiagm::GM {
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SkScalar fX1, fX2, fY, fR;
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SkPath fCircle1, fCircle2;
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public:
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CircularClipsGM() {
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fX1 = 80;
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fX2 = 120;
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fY = 50;
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fR = 40;
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fCircle1.addCircle(fX1, fY, fR, SkPath::kCW_Direction);
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fCircle2.addCircle(fX2, fY, fR, SkPath::kCW_Direction);
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}
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protected:
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virtual uint32_t onGetFlags() const SK_OVERRIDE {
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return kSkipTiled_Flag | kAsBench_Flag;
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}
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virtual SkString onShortName() SK_OVERRIDE {
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return SkString("circular-clips");
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}
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virtual SkISize onISize() SK_OVERRIDE {
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return SkISize::Make(800, 600);
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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SkRegion::Op ops[] = {
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SkRegion::kDifference_Op,
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SkRegion::kIntersect_Op,
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SkRegion::kUnion_Op,
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SkRegion::kXOR_Op,
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SkRegion::kReverseDifference_Op,
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SkRegion::kReplace_Op,
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};
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SkRect rect = SkRect::MakeLTRB(fX1 - fR, fY - fR, fX2 + fR, fY + fR);
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SkPaint fillPaint;
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for (size_t i = 0; i < 4; i++) {
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fCircle1.toggleInverseFillType();
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if (i % 2 == 0) {
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fCircle2.toggleInverseFillType();
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}
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canvas->save();
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for (size_t op = 0; op < SK_ARRAY_COUNT(ops); op++) {
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canvas->save();
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canvas->clipPath(fCircle1, SkRegion::kReplace_Op);
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canvas->clipPath(fCircle2, ops[op]);
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canvas->drawRect(rect, fillPaint);
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canvas->restore();
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canvas->translate(0, 2 * fY);
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}
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canvas->restore();
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canvas->translate(fX1 + fX2, 0);
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}
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}
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private:
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typedef skiagm::GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM( return new CircularClipsGM; )
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