5f226572b3
git-svn-id: http://skia.googlecode.com/svn/trunk@2179 2bbb7eff-a529-9590-31e7-b0007b416f81
85 lines
2.0 KiB
C++
85 lines
2.0 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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#include "SkRandom.h"
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namespace skiagm {
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#define W 400
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#define H 400
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#define N 100
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static const SkScalar SW = SkIntToScalar(W);
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static const SkScalar SH = SkIntToScalar(H);
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class StrokeRectGM : public GM {
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public:
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StrokeRectGM() {}
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protected:
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virtual SkString onShortName() {
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return SkString("strokerects");
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}
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virtual SkISize onISize() {
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return make_isize(W*2, H*2);
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}
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static void rnd_rect(SkRect* r, SkRandom& rand) {
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SkScalar x = rand.nextUScalar1() * W;
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SkScalar y = rand.nextUScalar1() * H;
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SkScalar w = rand.nextUScalar1() * (W >> 2);
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SkScalar h = rand.nextUScalar1() * (H >> 2);
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r->set(x, y, x + w, y + h);
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r->offset(-w/2 + rand.nextSScalar1(), -h/2 + + rand.nextSScalar1());
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}
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virtual void onDraw(SkCanvas* canvas) {
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canvas->drawColor(SK_ColorWHITE);
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SkPaint paint;
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paint.setStyle(SkPaint::kStroke_Style);
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for (int y = 0; y < 2; y++) {
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paint.setAntiAlias(!!y);
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for (int x = 0; x < 2; x++) {
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paint.setStrokeWidth(x * SkIntToScalar(3));
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SkAutoCanvasRestore acr(canvas, true);
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canvas->translate(SW * x, SH * y);
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canvas->clipRect(SkRect::MakeLTRB(
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SkIntToScalar(2), SkIntToScalar(2)
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, SW - SkIntToScalar(2), SH - SkIntToScalar(2)
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));
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SkRandom rand;
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for (int i = 0; i < N; i++) {
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SkRect r;
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rnd_rect(&r, rand);
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canvas->drawRect(r, paint);
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}
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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 GM* MyFactory(void*) { return new StrokeRectGM; }
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static GMRegistry reg(MyFactory);
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}
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