d7065e72da
This reverts commit 8d5b41b553.
Bug: skia:8444
Change-Id: I29b52c6fe9475c6113ec954b7918cf591111846c
Reviewed-on: https://skia-review.googlesource.com/c/161627
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
76 lines
3.8 KiB
C++
76 lines
3.8 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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#ifndef SkOverdrawCanvas_DEFINED
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#define SkOverdrawCanvas_DEFINED
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#include "SkCanvasVirtualEnforcer.h"
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#include "SkNWayCanvas.h"
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/**
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* Captures all drawing commands. Rather than draw the actual content, this device
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* increments the alpha channel of each pixel every time it would have been touched
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* by a draw call. This is useful for detecting overdraw.
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*/
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class SK_API SkOverdrawCanvas : public SkCanvasVirtualEnforcer<SkNWayCanvas> {
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public:
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/* Does not take ownership of canvas */
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SkOverdrawCanvas(SkCanvas*);
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void onDrawText(const void*, size_t, SkScalar, SkScalar, const SkPaint&) override;
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void onDrawPosText(const void*, size_t, const SkPoint[], const SkPaint&) override;
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void onDrawPosTextH(const void*, size_t, const SkScalar[], SkScalar, const SkPaint&) override;
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void onDrawTextRSXform(const void*, size_t, const SkRSXform[], const SkRect*,
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const SkPaint&) override;
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void onDrawTextBlob(const SkTextBlob*, SkScalar, SkScalar, const SkPaint&) override;
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void onDrawPatch(const SkPoint[12], const SkColor[4], const SkPoint[4], SkBlendMode,
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const SkPaint&) override;
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void onDrawPaint(const SkPaint&) override;
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void onDrawRect(const SkRect&, const SkPaint&) override;
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void onDrawRegion(const SkRegion&, const SkPaint&) override;
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void onDrawOval(const SkRect&, const SkPaint&) override;
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void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override;
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void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override;
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void onDrawRRect(const SkRRect&, const SkPaint&) override;
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void onDrawPoints(PointMode, size_t, const SkPoint[], const SkPaint&) override;
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void onDrawVerticesObject(const SkVertices*, const SkVertices::Bone bones[], int boneCount,
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SkBlendMode, const SkPaint&) override;
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void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[],
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int, SkBlendMode, const SkRect*, const SkPaint*) override;
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void onDrawPath(const SkPath&, const SkPaint&) override;
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void onDrawImage(const SkImage*, SkScalar, SkScalar, const SkPaint*) override;
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void onDrawImageRect(const SkImage*, const SkRect*, const SkRect&, const SkPaint*,
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SrcRectConstraint) override;
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void onDrawImageNine(const SkImage*, const SkIRect&, const SkRect&, const SkPaint*) override;
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void onDrawImageLattice(const SkImage*, const Lattice&, const SkRect&, const SkPaint*) override;
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void onDrawImageSet(const ImageSetEntry[], int count, float alpha, SkFilterQuality,
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SkBlendMode) override;
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void onDrawBitmap(const SkBitmap&, SkScalar, SkScalar, const SkPaint*) override;
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void onDrawBitmapRect(const SkBitmap&, const SkRect*, const SkRect&, const SkPaint*,
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SrcRectConstraint) override;
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void onDrawBitmapNine(const SkBitmap&, const SkIRect&, const SkRect&, const SkPaint*) override;
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void onDrawBitmapLattice(const SkBitmap&, const Lattice&, const SkRect&,
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const SkPaint*) override;
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void onDrawDrawable(SkDrawable*, const SkMatrix*) override;
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void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
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void onDrawAnnotation(const SkRect&, const char key[], SkData* value) override;
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void onDrawShadowRec(const SkPath&, const SkDrawShadowRec&) override;
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private:
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void drawPosTextCommon(const void*, size_t, const SkScalar[], int, const SkPoint&,
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const SkPaint&);
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inline SkPaint overdrawPaint(const SkPaint& paint);
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SkPaint fPaint;
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typedef SkCanvasVirtualEnforcer<SkNWayCanvas> INHERITED;
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};
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#endif
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