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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LoggingCanvas_h
#define LoggingCanvas_h
#include "platform/graphics/InterceptingCanvas.h"
#include "platform/json/JSONValues.h"
#include <memory>
namespace blink {
class LoggingCanvas : public InterceptingCanvasBase {
public:
LoggingCanvas(int width, int height);
// Returns a snapshot of the current log data.
std::unique_ptr<JSONArray> log();
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 onDrawPath(const SkPath&, 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 onDrawBitmapNine(const SkBitmap&,
const SkIRect& center,
const SkRect& dst,
const SkPaint*) override;
void onDrawImage(const SkImage*, SkScalar, SkScalar, const SkPaint*) override;
void onDrawImageRect(const SkImage*,
const SkRect* src,
const SkRect& dst,
const SkPaint*,
SrcRectConstraint) override;
virtual void onDrawVertices(VertexMode vmode,
int vertexCount,
const SkPoint vertices[],
const SkPoint texs[],
const SkColor colors[],
SkBlendMode bmode,
const uint16_t indices[],
int indexCount,
const SkPaint&) override;
void onDrawDRRect(const SkRRect& outer,
const SkRRect& inner,
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&,
const SkMatrix*,
const SkPaint&) override;
void onDrawTextBlob(const SkTextBlob*,
SkScalar x,
SkScalar y,
const SkPaint&) override;
void onClipRect(const SkRect&, SkClipOp, ClipEdgeStyle) override;
void onClipRRect(const SkRRect&, SkClipOp, ClipEdgeStyle) override;
void onClipPath(const SkPath&, SkClipOp, ClipEdgeStyle) override;
void onClipRegion(const SkRegion&, SkClipOp) override;
virtual void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*);
void didSetMatrix(const SkMatrix&) override;
void didConcat(const SkMatrix&) override;
void willSave() override;
SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override;
void willRestore() override;
private:
friend class AutoLogger;
std::unique_ptr<JSONArray> m_log;
};
#ifndef NDEBUG
String pictureAsDebugString(const SkPicture*);
void showSkPicture(const SkPicture*);
#endif
} // namespace blink
#endif // LoggingCanvas_h
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