blob: 041696384824aafb9bd9164df0157b79e886a2e0 [file] [log] [blame]
/*
* Copyright 2016 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/SkColor.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPath.h"
#include "include/core/SkRRect.h"
#include "include/core/SkRect.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "src/core/SkCanvasPriv.h"
namespace skiagm {
// This test exercise SkCanvas::androidFramework_replaceClip behavior
class ComplexClip4GM : public GM {
public:
ComplexClip4GM(bool aaclip)
: fDoAAClip(aaclip) {
this->setBGColor(0xFFDEDFDE);
}
protected:
SkString onShortName() override {
SkString str;
str.printf("complexclip4_%s",
fDoAAClip ? "aa" : "bw");
return str;
}
SkISize onISize() override { return SkISize::Make(970, 780); }
// Android Framework will still support the legacy kReplace SkClipOp on older devices, so
// this represents how to do so while also respecting the device restriction using the newer
// androidFramework_resetClip() API.
void emulateDeviceRestriction(SkCanvas* canvas, const SkIRect& deviceRestriction) {
// TODO(michaelludwig): It may make more sense for device clip restriction to move on to
// the SkSurface (which would let this GM draw correctly in viewer).
canvas->androidFramework_setDeviceClipRestriction(deviceRestriction);
}
void emulateClipRectReplace(SkCanvas* canvas,
const SkRect& clipRect,
bool aa) {
SkCanvasPriv::ResetClip(canvas);
canvas->clipRect(clipRect, SkClipOp::kIntersect, aa);
}
void emulateClipRRectReplace(SkCanvas* canvas,
const SkRRect& clipRRect,
bool aa) {
SkCanvasPriv::ResetClip(canvas);
canvas->clipRRect(clipRRect, SkClipOp::kIntersect, aa);
}
void emulateClipPathReplace(SkCanvas* canvas,
const SkPath& path,
bool aa) {
SkCanvasPriv::ResetClip(canvas);
canvas->clipPath(path, SkClipOp::kIntersect, aa);
}
void onDraw(SkCanvas* canvas) override {
SkPaint p;
p.setAntiAlias(fDoAAClip);
p.setColor(SK_ColorYELLOW);
canvas->save();
// draw a yellow rect through a rect clip
canvas->save();
emulateDeviceRestriction(canvas, SkIRect::MakeLTRB(100, 100, 300, 300));
canvas->drawColor(SK_ColorGREEN);
emulateClipRectReplace(canvas, SkRect::MakeLTRB(100, 200, 400, 500), fDoAAClip);
canvas->drawRect(SkRect::MakeLTRB(100, 200, 400, 500), p);
canvas->restore();
// draw a yellow rect through a diamond clip
canvas->save();
emulateDeviceRestriction(canvas, SkIRect::MakeLTRB(500, 100, 800, 300));
canvas->drawColor(SK_ColorGREEN);
SkPath pathClip = SkPath::Polygon({
{650, 200},
{900, 300},
{650, 400},
{650, 300},
}, true);
emulateClipPathReplace(canvas, pathClip, fDoAAClip);
canvas->drawRect(SkRect::MakeLTRB(500, 200, 900, 500), p);
canvas->restore();
// draw a yellow rect through a round rect clip
canvas->save();
emulateDeviceRestriction(canvas, SkIRect::MakeLTRB(500, 500, 800, 700));
canvas->drawColor(SK_ColorGREEN);
emulateClipRRectReplace(
canvas, SkRRect::MakeOval(SkRect::MakeLTRB(500, 600, 900, 750)), fDoAAClip);
canvas->drawRect(SkRect::MakeLTRB(500, 600, 900, 750), p);
canvas->restore();
// fill the clip with yellow color showing that androidFramework_replaceClip is
// in device space
canvas->save();
canvas->clipRect(SkRect::MakeLTRB(100, 400, 300, 750),
SkClipOp::kIntersect, fDoAAClip);
canvas->drawColor(SK_ColorGREEN);
// should not affect the device-space clip
canvas->rotate(20.f);
canvas->translate(50.f, 50.f);
emulateDeviceRestriction(canvas, SkIRect::MakeLTRB(150, 450, 250, 700));
canvas->drawColor(SK_ColorYELLOW);
canvas->restore();
canvas->restore();
}
private:
bool fDoAAClip;
using INHERITED = GM;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new ComplexClip4GM(false);)
DEF_GM(return new ComplexClip4GM(true);)
} // namespace skiagm