skia2/gm/circularclips.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

104 lines
2.7 KiB
C++

/*
* Copyright 2013 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/SkClipOp.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPath.h"
#include "include/core/SkRect.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTypes.h"
#include "src/core/SkClipOpPriv.h"
class CircularClipsGM : public skiagm::GM {
SkScalar fX1, fX2, fY, fR;
SkPath fCircle1, fCircle2;
protected:
void onOnceBeforeDraw() override {
fX1 = 80;
fX2 = 120;
fY = 50;
fR = 40;
fCircle1.addCircle(fX1, fY, fR, SkPath::kCW_Direction);
fCircle2.addCircle(fX2, fY, fR, SkPath::kCW_Direction);
}
bool runAsBench() const override { return true; }
SkString onShortName() override {
return SkString("circular-clips");
}
SkISize onISize() override {
return SkISize::Make(800, 600);
}
void onDraw(SkCanvas* canvas) override {
const SkClipOp ops[] = {
kDifference_SkClipOp,
kIntersect_SkClipOp,
kUnion_SkClipOp,
kXOR_SkClipOp,
kReverseDifference_SkClipOp,
kReplace_SkClipOp,
};
SkRect rect = SkRect::MakeLTRB(fX1 - fR, fY - fR, fX2 + fR, fY + fR);
SkPaint fillPaint;
// Giant background circular clips (AA, non-inverted, replace/isect)
fillPaint.setColor(0x80808080);
canvas->save();
canvas->scale(10, 10);
canvas->translate(-((fX1 + fX2)/2 - fR), -(fY - 2*fR/3));
canvas->clipPath(fCircle1, true);
canvas->clipPath(fCircle2, true);
canvas->drawRect(rect, fillPaint);
canvas->restore();
fillPaint.setColor(0xFF000000);
for (size_t i = 0; i < 4; i++) {
fCircle1.toggleInverseFillType();
if (i % 2 == 0) {
fCircle2.toggleInverseFillType();
}
canvas->save();
for (size_t op = 0; op < SK_ARRAY_COUNT(ops); op++) {
canvas->save();
canvas->clipPath(fCircle1);
canvas->clipPath(fCircle2, ops[op]);
canvas->drawRect(rect, fillPaint);
canvas->restore();
canvas->translate(0, 2 * fY);
}
canvas->restore();
canvas->translate(fX1 + fX2, 0);
}
}
private:
typedef skiagm::GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM( return new CircularClipsGM; )