chromium/third_party/skia/src/core/SkPathEffect.cpp

/*
 * Copyright 2006 The Android Open Source Project
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#include "include/core/SkPathEffect.h"

#include "include/core/SkFlattenable.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPath.h"
#include "include/core/SkRefCnt.h"
#include "include/private/base/SkAssert.h"
#include "src/core/SkPathEffectBase.h"
#include "src/core/SkReadBuffer.h"
#include "src/core/SkWriteBuffer.h"

#include <cstddef>
#include <utility>

class SkStrokeRec;
struct SkDeserialProcs;
struct SkRect;

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

bool SkPathEffect::filterPath(SkPath* dst, const SkPath& src, SkStrokeRec* rec,
                              const SkRect* bounds) const { … }

bool SkPathEffect::filterPath(SkPath* dst, const SkPath& src, SkStrokeRec* rec,
                              const SkRect* bounds, const SkMatrix& ctm) const { … }

bool SkPathEffectBase::asPoints(PointData* results, const SkPath& src,
                    const SkStrokeRec& rec, const SkMatrix& mx, const SkRect* rect) const { … }

SkPathEffect::DashType SkPathEffect::asADash(DashInfo* info) const { … }

bool SkPathEffect::needsCTM() const { … }

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

/** \class SkPairPathEffect

 Common baseclass for Compose and Sum. This subclass manages two pathEffects,
 including flattening them. It does nothing in filterPath, and is only useful
 for managing the lifetimes of its two arguments.
 */
class SkPairPathEffect : public SkPathEffectBase { … };

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

class SkComposePathEffect : public SkPairPathEffect { … };

sk_sp<SkFlattenable> SkComposePathEffect::CreateProc(SkReadBuffer& buffer) { … }

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

/** \class SkSumPathEffect

 This subclass of SkPathEffect applies two pathEffects, one after the other.
 Its filterPath() returns true if either of the effects succeeded.
 */
class SkSumPathEffect : public SkPairPathEffect { … };

sk_sp<SkFlattenable> SkSumPathEffect::CreateProc(SkReadBuffer& buffer) { … }

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

sk_sp<SkPathEffect> SkPathEffect::MakeSum(sk_sp<SkPathEffect> first, sk_sp<SkPathEffect> second) { … }

sk_sp<SkPathEffect> SkPathEffect::MakeCompose(sk_sp<SkPathEffect> outer,
                                              sk_sp<SkPathEffect> inner) { … }

void SkPathEffectBase::RegisterFlattenables() { … }

sk_sp<SkPathEffect> SkPathEffect::Deserialize(const void* data, size_t size,
                                              const SkDeserialProcs* procs) { … }