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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkCanvas.h"
#include "SkPath.h"
#include "SkTArray.h"
namespace skiagm {
// this GM tests hairlines which fill nearly the entire render target
class StLouisArchGM : public GM {
protected:
SkString onShortName() override {
return SkString("stlouisarch");
}
SkISize onISize() override { return SkISize::Make((int)kWidth, (int)kHeight); }
void onOnceBeforeDraw() override {
{
SkPath* bigQuad = &fPaths.push_back();
bigQuad->moveTo(0, 0);
bigQuad->quadTo(kWidth/2, kHeight, kWidth, 0);
}
{
SkPath* degenBigQuad = &fPaths.push_back();
SkScalar yPos = kHeight / 2 + 10;
degenBigQuad->moveTo(0, yPos);
degenBigQuad->quadTo(0, yPos, kWidth, yPos);
}
{
SkPath* bigCubic = &fPaths.push_back();
bigCubic->moveTo(0, 0);
bigCubic->cubicTo(0, kHeight,
kWidth, kHeight,
kWidth, 0);
}
{
SkPath* degenBigCubic = &fPaths.push_back();
SkScalar yPos = kHeight / 2;
degenBigCubic->moveTo(0, yPos);
degenBigCubic->cubicTo(0, yPos,
0, yPos,
kWidth, yPos);
}
{
SkPath* bigConic = &fPaths.push_back();
bigConic->moveTo(0, 0);
bigConic->conicTo(kWidth/2, kHeight, kWidth, 0, .5);
}
{
SkPath* degenBigConic = &fPaths.push_back();
SkScalar yPos = kHeight / 2 - 10;
degenBigConic->moveTo(0, yPos);
degenBigConic->conicTo(0, yPos, kWidth, yPos, .5);
}
}
void onDraw(SkCanvas* canvas) override {
canvas->save();
canvas->scale(1, -1);
canvas->translate(0, -kHeight);
for (int p = 0; p < fPaths.count(); ++p) {
SkPaint paint;
paint.setARGB(0xff, 0, 0, 0);
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(0);
canvas->drawPath(fPaths[p], paint);
}
canvas->restore();
}
const SkScalar kWidth = 256;
const SkScalar kHeight = 256;
private:
SkTArray<SkPath> fPaths;
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new StLouisArchGM; }
static GMRegistry reg(MyFactory);
}
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