SkPathOps.h

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/*
 * Copyright 2012 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#ifndef SkPathOps_DEFINED
#define SkPathOps_DEFINED
 
#include "include/core/SkPath.h"
#include "include/core/SkTypes.h"
#include "include/private/base/SkTArray.h"
#include "include/private/base/SkTDArray.h"
 
struct SkRect;
 
 
// FIXME: move everything below into the SkPath class
enum SkPathOp {
    kDifference_SkPathOp,         
    kIntersect_SkPathOp,          
    kUnion_SkPathOp,              
    kXOR_SkPathOp,                
    kReverseDifference_SkPathOp,  
};
 
bool SK_API Op(const SkPath& one, const SkPath& two, SkPathOp op, SkPath* result);
 
bool SK_API Simplify(const SkPath& path, SkPath* result);
 
bool SK_API TightBounds(const SkPath& path, SkRect* result);
 
bool SK_API AsWinding(const SkPath& path, SkPath* result);
 
class SK_API SkOpBuilder {
public:
    void add(const SkPath& path, SkPathOp _operator);
 
    bool resolve(SkPath* result);
 
private:
    skia_private::TArray<SkPath> fPathRefs;
    SkTDArray<SkPathOp> fOps;
 
    static bool FixWinding(SkPath* path);
    static void ReversePath(SkPath* path);
    void reset();
};
 
#endif