bad1b2ff1d
git-svn-id: http://skia.googlecode.com/svn/trunk@4526 2bbb7eff-a529-9590-31e7-b0007b416f81
78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
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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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#include "SkCanvas.h"
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#include "SkCullPoints.h"
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#include "SkRandom.h"
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static void test_hittest(SkCanvas* canvas, const SkPath& path) {
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SkPaint paint;
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SkRect r = path.getBounds();
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paint.setColor(SK_ColorRED);
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canvas->drawPath(path, paint);
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const SkScalar MARGIN = SkIntToScalar(4);
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paint.setColor(0x800000FF);
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for (SkScalar y = r.fTop + SK_ScalarHalf - MARGIN; y < r.fBottom + MARGIN; y += SK_Scalar1) {
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for (SkScalar x = r.fLeft + SK_ScalarHalf - MARGIN; x < r.fRight + MARGIN; x += SK_Scalar1) {
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if (path.contains(x, y)) {
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canvas->drawPoint(x, y, paint);
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}
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}
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}
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}
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class HitTestPathGM : public skiagm::GM {
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public:
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HitTestPathGM () {}
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protected:
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virtual SkString onShortName() {
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return SkString("hittestpath");
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}
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virtual SkISize onISize() { return SkISize::Make(700, 460); }
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virtual void onDraw(SkCanvas* canvas) {
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SkPath path;
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SkRandom rand;
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int scale = 300;
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for (int i = 0; i < 4; ++i) {
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path.lineTo(rand.nextUScalar1() * scale, rand.nextUScalar1() * scale);
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path.quadTo(rand.nextUScalar1() * scale, rand.nextUScalar1() * scale,
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rand.nextUScalar1() * scale, rand.nextUScalar1() * scale);
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path.cubicTo(rand.nextUScalar1() * scale, rand.nextUScalar1() * scale,
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rand.nextUScalar1() * scale, rand.nextUScalar1() * scale,
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rand.nextUScalar1() * scale, rand.nextUScalar1() * scale);
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}
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path.setFillType(SkPath::kEvenOdd_FillType);
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path.offset(SkIntToScalar(20), SkIntToScalar(20));
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test_hittest(canvas, path);
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canvas->translate(SkIntToScalar(scale), 0);
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path.setFillType(SkPath::kWinding_FillType);
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test_hittest(canvas, path);
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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 HitTestPathGM; }
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static skiagm::GMRegistry reg(MyFactory);
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