1
2/*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8#ifndef SkPathHeap_DEFINED
9#define SkPathHeap_DEFINED
10
11#include "SkRefCnt.h"
12#include "SkChunkAlloc.h"
13#include "SkTDArray.h"
14
15class SkPath;
16class SkFlattenableReadBuffer;
17class SkFlattenableWriteBuffer;
18
19class SkPathHeap : public SkRefCnt {
20public:
21            SkPathHeap();
22            SkPathHeap(SkFlattenableReadBuffer&);
23    virtual ~SkPathHeap();
24
25    /** Copy the path into the heap, and return the new total number of paths.
26        Thus, the returned value will be index+1, where index is the index of
27        this newly added (copied) path.
28     */
29    int append(const SkPath&);
30
31    // called during picture-playback
32    int count() const { return fPaths.count(); }
33    const SkPath& operator[](int index) const {
34        return *fPaths[index];
35    }
36
37    void flatten(SkFlattenableWriteBuffer&) const;
38
39private:
40    // we store the paths in the heap (placement new)
41    SkChunkAlloc        fHeap;
42    // we just store ptrs into fHeap here
43    SkTDArray<SkPath*>  fPaths;
44};
45
46#endif
47
48