зеркало из https://github.com/mozilla/moz-skia.git
97 строки
2.6 KiB
C++
97 строки
2.6 KiB
C++
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/*
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* Copyright 2011 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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namespace skiagm {
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class FillTypeGM : public GM {
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SkPath fPath;
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public:
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FillTypeGM() {
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this->setBGColor(0xFFDDDDDD);
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}
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void makePath() {
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if (fPath.isEmpty()) {
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const SkScalar radius = SkIntToScalar(45);
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fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius);
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fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius);
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}
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}
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protected:
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virtual SkString onShortName() {
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return SkString("filltypes");
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}
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virtual SkISize onISize() {
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return make_isize(835, 840);
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}
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void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft,
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SkScalar scale, const SkPaint& paint) {
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const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) };
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canvas->save();
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canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
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canvas->clipRect(r);
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canvas->drawColor(SK_ColorWHITE);
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fPath.setFillType(ft);
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canvas->translate(r.centerX(), r.centerY());
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canvas->scale(scale, scale);
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canvas->translate(-r.centerX(), -r.centerY());
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canvas->drawPath(fPath, paint);
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canvas->restore();
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}
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void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) {
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showPath(canvas, 0, 0, SkPath::kWinding_FillType,
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scale, paint);
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showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType,
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scale, paint);
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showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType,
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scale, paint);
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showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType,
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scale, paint);
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}
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virtual void onDraw(SkCanvas* canvas) {
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this->makePath();
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canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
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SkPaint paint;
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const SkScalar scale = SkIntToScalar(5)/4;
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paint.setAntiAlias(false);
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showFour(canvas, SK_Scalar1, paint);
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canvas->translate(SkIntToScalar(450), 0);
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showFour(canvas, scale, paint);
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paint.setAntiAlias(true);
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canvas->translate(SkIntToScalar(-450), SkIntToScalar(450));
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showFour(canvas, SK_Scalar1, paint);
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canvas->translate(SkIntToScalar(450), 0);
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showFour(canvas, scale, paint);
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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 GM* MyFactory(void*) { return new FillTypeGM; }
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static GMRegistry reg(MyFactory);
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}
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