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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SKIA_EXT_BENCHMARKING_CANVAS_H_
#define SKIA_EXT_BENCHMARKING_CANVAS_H_
#include <stddef.h>
#include "base/values.h"
#include "skia/ext/refptr.h"
#include "third_party/skia/include/utils/SkNWayCanvas.h"
class SkXfermode;
namespace skia {
class SK_API BenchmarkingCanvas : public SkNWayCanvas {
public:
BenchmarkingCanvas(SkCanvas* canvas, unsigned flags = 0);
~BenchmarkingCanvas() override;
enum Flags {
kOverdrawVisualization_Flag = 0x01,
};
// Returns the number of draw commands executed on this canvas.
size_t CommandCount() const;
// Returns the list of executed draw commands.
const base::ListValue& Commands() const;
// Return the recorded render time (milliseconds) for a draw command index.
double GetTime(size_t index);
protected:
// SkCanvas overrides
void willSave() override;
SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override;
void willRestore() override;
void didConcat(const SkMatrix&) override;
void didSetMatrix(const SkMatrix&) override;
void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override;
void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override;
void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override;
void onClipRegion(const SkRegion&, SkRegion::Op) override;
void onDrawPaint(const SkPaint&) override;
void onDrawPoints(PointMode, size_t count, const SkPoint pts[],
const SkPaint&) override;
void onDrawRect(const SkRect&, const SkPaint&) override;
void onDrawOval(const SkRect&, const SkPaint&) override;
void onDrawRRect(const SkRRect&, const SkPaint&) override;
void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override;
void onDrawPath(const SkPath&, const SkPaint&) override;
void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override;
void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst,
const SkPaint*, SrcRectConstraint) override;
void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
const SkPaint*, SrcRectConstraint) override;
void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,
const SkPaint*) override;
void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
const SkPaint&) override;
void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
const SkPaint&) override;
void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
SkScalar constY, const SkPaint&) override;
void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint&) override;
void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) override;
private:
typedef SkNWayCanvas INHERITED;
class AutoOp;
base::ListValue op_records_;
unsigned flags_;
RefPtr<SkXfermode> overdraw_xfermode_;
};
}
#endif // SKIA_EXT_BENCHMARKING_CANVAS_H