blob: 6be2999dbda39b3a1e0662bb6fd9d3e1f2308c75 [file] [log] [blame]
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "src/base/SkRandom.h"
namespace skiagm {
#define W 400
#define H 400
#define N 100
constexpr SkScalar SW = SkIntToScalar(W);
constexpr SkScalar SH = SkIntToScalar(H);
class StrokeRectsGM : public GM {
public:
StrokeRectsGM(bool rotated) : fRotated(rotated) {}
protected:
SkString getName() const override {
if (fRotated) {
return SkString("strokerects_rotated");
} else {
return SkString("strokerects");
}
}
SkISize getISize() override { return SkISize::Make(W * 2, H * 2); }
static void rnd_rect(SkRect* r, SkRandom& rand) {
SkScalar x = rand.nextUScalar1() * W;
SkScalar y = rand.nextUScalar1() * H;
SkScalar w = rand.nextUScalar1() * (W >> 2);
SkScalar h = rand.nextUScalar1() * (H >> 2);
SkScalar hoffset = rand.nextSScalar1();
SkScalar woffset = rand.nextSScalar1();
r->setXYWH(x, y, w, h);
r->offset(-w/2 + woffset, -h/2 + hoffset);
}
void onDraw(SkCanvas* canvas) override {
if (fRotated) {
canvas->rotate(45.f, SW, SH);
}
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
for (int y = 0; y < 2; y++) {
paint.setAntiAlias(!!y);
for (int x = 0; x < 2; x++) {
paint.setStrokeWidth(x * SkIntToScalar(3));
SkAutoCanvasRestore acr(canvas, true);
canvas->translate(SW * x, SH * y);
canvas->clipRect(SkRect::MakeLTRB(
SkIntToScalar(2), SkIntToScalar(2)
, SW - SkIntToScalar(2), SH - SkIntToScalar(2)
));
SkRandom rand;
for (int i = 0; i < N; i++) {
SkRect r;
rnd_rect(&r, rand);
canvas->drawRect(r, paint);
}
}
}
}
private:
bool fRotated;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM( return new StrokeRectsGM(false); )
DEF_GM( return new StrokeRectsGM(true); )
} // namespace skiagm