a5414c4a8e
That simplifies the way to declare it a friend, as needed in SkCanvas. BUG=skia:2914 TEST=make most R=reed@google.com Review URL: https://codereview.chromium.org/645773002
87 lines
2.4 KiB
C++
Executable File
87 lines
2.4 KiB
C++
Executable File
/*
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* Copyright 2014 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 "SkRandom.h"
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#define W 400
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#define H 400
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#define N 10
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static const SkScalar SH = SkIntToScalar(H);
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static void rnd_quad(SkPath* p, SkPaint* paint, SkLCGRandom& rand) {
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p->moveTo(rand.nextRangeScalar(0, W), rand.nextRangeScalar(0, H));
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for (int x = 0; x < 2; ++x) {
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p->quadTo(rand.nextRangeScalar(W / 4, W), rand.nextRangeScalar(0, H),
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rand.nextRangeScalar(0, W), rand.nextRangeScalar(H / 4, H));
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}
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paint->setColor(rand.nextU());
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SkScalar width = rand.nextRangeScalar(1, 5);
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width *= width;
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paint->setStrokeWidth(width);
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paint->setAlpha(0xFF);
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}
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static void rnd_cubic(SkPath* p, SkPaint* paint, SkLCGRandom& rand) {
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p->moveTo(rand.nextRangeScalar(0, W), rand.nextRangeScalar(0, H));
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for (int x = 0; x < 2; ++x) {
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p->cubicTo(rand.nextRangeScalar(W / 4, W), rand.nextRangeScalar(0, H),
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rand.nextRangeScalar(0, W), rand.nextRangeScalar(H / 4, H),
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rand.nextRangeScalar(W / 4, W), rand.nextRangeScalar(H / 4, H));
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}
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paint->setColor(rand.nextU());
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SkScalar width = rand.nextRangeScalar(1, 5);
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width *= width;
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paint->setStrokeWidth(width);
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paint->setAlpha(0xFF);
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}
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class BeziersGM : public skiagm::GM {
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public:
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BeziersGM() {}
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protected:
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virtual uint32_t onGetFlags() const SK_OVERRIDE {
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return kSkipTiled_Flag;
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}
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virtual SkString onShortName() {
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return SkString("beziers");
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}
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virtual SkISize onISize() {
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return SkISize::Make(W, H*2);
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}
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virtual void onDraw(SkCanvas* canvas) {
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SkPaint paint;
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(SkIntToScalar(9)/2);
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paint.setAntiAlias(true);
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SkLCGRandom rand;
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for (int i = 0; i < N; i++) {
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SkPath p;
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rnd_quad(&p, &paint, rand);
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canvas->drawPath(p, paint);
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}
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canvas->translate(0, SH);
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for (int i = 0; i < N; i++) {
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SkPath p;
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rnd_cubic(&p, &paint, rand);
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canvas->drawPath(p, paint);
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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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static skiagm::GM* F0(void*) { return new BeziersGM; }
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static skiagm::GMRegistry R0(F0);
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