chromium/third_party/skia/include/utils/SkCanvasStateUtils.h

/*
 * Copyright 2013 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef SkCanvasStateUtils_DEFINED
#define SkCanvasStateUtils_DEFINED

#include "include/core/SkTypes.h"

#include <memory>

class SkCanvas;
class SkCanvasState;

/**
 * A set of functions that are useful for copying the state of an SkCanvas
 * across a library boundary where the Skia library on the other side of the
 * boundary may be newer. The expected usage is outline below...
 *
 *                          Lib Boundary
 * CaptureCanvasState(...)      |||
 *   SkCanvas --> SkCanvasState |||
 *                              ||| CreateFromCanvasState(...)
 *                              |||   SkCanvasState --> SkCanvas`
 *                              ||| Draw into SkCanvas`
 *                              ||| Unref SkCanvas`
 * ReleaseCanvasState(...)      |||
 *
 */
class SK_API SkCanvasStateUtils { … };

#endif