Update from https://crrev.com/311076

sky/engine/platform/graphics/LoggingCanvas.h

-/*
- * 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 SKY_ENGINE_PLATFORM_GRAPHICS_LOGGINGCANVAS_H_
-#define SKY_ENGINE_PLATFORM_GRAPHICS_LOGGINGCANVAS_H_
-
-#include "sky/engine/platform/JSONValues.h"
-#include "sky/engine/platform/graphics/InterceptingCanvas.h"
-
-namespace blink {
-
-class LoggingCanvas : public InterceptingCanvas {
-public:
-    LoggingCanvas(int width, int height);
-    PassRefPtr<JSONArray> log();
-
-    virtual void drawPaint(const SkPaint&) override;
-    virtual void drawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override;
-    virtual void drawRect(const SkRect&, const SkPaint&) override;
-    virtual void drawOval(const SkRect&, const SkPaint&) override;
-    virtual void drawRRect(const SkRRect&, const SkPaint&) override;
-    virtual void drawPath(const SkPath&, const SkPaint&) override;
-    virtual void drawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint* = 0) override;
-    virtual void drawBitmapRectToRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*, DrawBitmapRectFlags) override;
-    virtual void drawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, const SkPaint*) override;
-    virtual void drawSprite(const SkBitmap&, int left, int top, const SkPaint* = 0) override;
-    virtual void drawVertices(VertexMode vmode, int vertexCount, const SkPoint vertices[], const SkPoint texs[],
-        const SkColor colors[], SkXfermode* xmode, const uint16_t indices[], int indexCount, const SkPaint&) override;
-    virtual void drawData(const void* data, size_t length) override;
-    virtual void beginCommentGroup(const char* description) override;
-    virtual void addComment(const char* keyword, const char* value) override;
-    virtual void endCommentGroup() override;
-
-    virtual void onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint&) override;
-    virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, const SkPaint&) override;
-    virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], const SkPaint&) override;
-    virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], SkScalar constY, const SkPaint&) override;
-    virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath&, const SkMatrix*, const SkPaint&) override;
-    virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override;
-    virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override;
-    virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override;
-    virtual void onClipRegion(const SkRegion&, SkRegion::Op) override;
-    virtual void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*);
-    virtual void didSetMatrix(const SkMatrix&) override;
-    virtual void didConcat(const SkMatrix&) override;
-    virtual void willSave() override;
-    SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint*, SaveFlags) override;
-    virtual void willRestore() override;
-
-private:
-    RefPtr<JSONArray> m_log;
-    friend class AutoLogger;
-
-    struct VerbParams {
-        String name;
-        unsigned pointCount;
-        unsigned pointOffset;
-
-        VerbParams(const String& name, unsigned pointCount, unsigned pointOffset)
-            : name(name)
-            , pointCount(pointCount)
-            , pointOffset(pointOffset) { }
-    };
-
-    PassRefPtr<JSONObject> addItem(const String& name);
-    PassRefPtr<JSONObject> addItemWithParams(const String& name);
-    PassRefPtr<JSONObject> objectForSkRect(const SkRect&);
-    PassRefPtr<JSONObject> objectForSkIRect(const SkIRect&);
-    String pointModeName(PointMode);
-    PassRefPtr<JSONObject> objectForSkPoint(const SkPoint&);
-    PassRefPtr<JSONArray> arrayForSkPoints(size_t count, const SkPoint points[]);
-    PassRefPtr<JSONObject> objectForSkPicture(const SkPicture&);
-    PassRefPtr<JSONObject> objectForRadius(const SkRRect& rrect, SkRRect::Corner);
-    String rrectTypeName(SkRRect::Type);
-    String radiusName(SkRRect::Corner);
-    PassRefPtr<JSONObject> objectForSkRRect(const SkRRect&);
-    String fillTypeName(SkPath::FillType);
-    String convexityName(SkPath::Convexity);
-    String verbName(SkPath::Verb);
-    VerbParams segmentParams(SkPath::Verb);
-    PassRefPtr<JSONObject> objectForSkPath(const SkPath&);
-    String colorTypeName(SkColorType);
-    PassRefPtr<JSONObject> objectForBitmapData(const SkBitmap&);
-    PassRefPtr<JSONObject> objectForSkBitmap(const SkBitmap&);
-    PassRefPtr<JSONObject> objectForSkShader(const SkShader&);
-    String stringForSkColor(const SkColor&);
-    void appendFlagToString(String* flagsString, bool isSet, const String& name);
-    String stringForSkPaintFlags(const SkPaint&);
-    String filterLevelName(SkPaint::FilterLevel);
-    String textAlignName(SkPaint::Align);
-    String strokeCapName(SkPaint::Cap);
-    String strokeJoinName(SkPaint::Join);
-    String styleName(SkPaint::Style);
-    String textEncodingName(SkPaint::TextEncoding);
-    String hintingName(SkPaint::Hinting);
-    PassRefPtr<JSONObject> objectForSkPaint(const SkPaint&);
-    PassRefPtr<JSONArray> arrayForSkMatrix(const SkMatrix&);
-    PassRefPtr<JSONArray> arrayForSkScalars(size_t n, const SkScalar scalars[]);
-    String regionOpName(SkRegion::Op);
-    String saveFlagsToString(SkCanvas::SaveFlags);
-    String textEncodingCanonicalName(SkPaint::TextEncoding);
-    String stringForUTFText(const void* text, size_t length, SkPaint::TextEncoding);
-    String stringForText(const void* text, size_t byteLength, const SkPaint&);
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_PLATFORM_GRAPHICS_LOGGINGCANVAS_H_