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