chromium/third_party/skia/src/core/SkRasterClip.h

/*
 * Copyright 2010 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef SkRasterClip_DEFINED
#define SkRasterClip_DEFINED

#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkRegion.h"
#include "include/core/SkShader.h"
#include "include/private/base/SkAssert.h"
#include "include/private/base/SkDebug.h"
#include "include/private/base/SkNoncopyable.h"
#include "src/core/SkAAClip.h"

class SkBlitter;
class SkMatrix;
class SkPath;
class SkRRect;
enum class SkClipOp;

/**
 *  Wraps a SkRegion and SkAAClip, so we have a single object that can represent either our
 *  BW or antialiased clips.
 */
class SkRasterClip { … };

class SkAutoRasterClipValidate : SkNoncopyable { … };

#ifdef SK_DEBUG
    #define AUTO_RASTERCLIP_VALIDATE(rc) …
#else
    #define AUTO_RASTERCLIP_VALIDATE …
#endif

///////////////////////////////////////////////////////////////////////////////

/**
 *  Encapsulates the logic of deciding if we need to change/wrap the blitter
 *  for aaclipping. If so, getRgn and getBlitter return modified values. If
 *  not, they return the raw blitter and (bw) clip region.
 *
 *  We need to keep the constructor/destructor cost as small as possible, so we
 *  can freely put this on the stack, and not pay too much for the case when
 *  we're really BW anyways.
 */
class SkAAClipBlitterWrapper { … };

#endif