skia2/gm/stlouisarch.cpp
Ben Wagner 7fde8e1728 IWYU for gms.
This almost gets gms to be iwyu clean. The last bit is around gm.cpp
and the tracing framework and its use of atomic. Will also need a way
of keeping things from regressing, which is difficult due to needing to
do this outside-in.

Change-Id: I1393531e99da8b0f1a29f55c53c86d53f459af7d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211593
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
2019-05-02 17:48:53 +00:00

102 lines
2.8 KiB
C++

/*
* 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/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPath.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/private/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;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM( return new StLouisArchGM; )
}