/usr/include/thunderbird/skia/SkMallocPixelRef.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | /*
* Copyright 2008 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.
*/
#ifndef SkMallocPixelRef_DEFINED
#define SkMallocPixelRef_DEFINED
#include "SkPixelRef.h"
/** We explicitly use the same allocator for our pixels that SkMask does,
so that we can freely assign memory allocated by one class to the other.
*/
class SK_API SkMallocPixelRef : public SkPixelRef {
public:
SK_DECLARE_INST_COUNT(SkMallocPixelRef)
/**
* Return a new SkMallocPixelRef with the provided pixel storage, rowBytes,
* and optional colortable. The caller is responsible for managing the
* lifetime of the pixel storage buffer, as this pixelref will not try
* to delete it.
*
* The pixelref will ref() the colortable (if not NULL).
*
* Returns NULL on failure.
*/
static SkMallocPixelRef* NewDirect(const SkImageInfo&, void* addr,
size_t rowBytes, SkColorTable*);
/**
* Return a new SkMallocPixelRef, automatically allocating storage for the
* pixels. If rowBytes are 0, an optimal value will be chosen automatically.
* If rowBytes is > 0, then it will be respected, or NULL will be returned
* if rowBytes is invalid for the specified info.
*
* This pixelref will ref() the specified colortable (if not NULL).
*
* Returns NULL on failure.
*/
static SkMallocPixelRef* NewAllocate(const SkImageInfo& info,
size_t rowBytes, SkColorTable*);
/**
* Return a new SkMallocPixelRef with the provided pixel storage,
* rowBytes, and optional colortable. On destruction, ReleaseProc
* will be called.
*
* This pixelref will ref() the specified colortable (if not NULL).
*
* Returns NULL on failure.
*/
typedef void (*ReleaseProc)(void* addr, void* context);
static SkMallocPixelRef* NewWithProc(const SkImageInfo& info,
size_t rowBytes, SkColorTable*,
void* addr, ReleaseProc proc,
void* context);
/**
* Return a new SkMallocPixelRef that will use the provided
* SkData, rowBytes, and optional colortable as pixel storage.
* The SkData will be ref()ed and on destruction of the PielRef,
* the SkData will be unref()ed.
*
* This pixelref will ref() the specified colortable (if not NULL).
*
* Returns NULL on failure.
*/
static SkMallocPixelRef* NewWithData(const SkImageInfo& info,
size_t rowBytes,
SkColorTable* ctable,
SkData* data);
void* getAddr() const { return fStorage; }
class PRFactory : public SkPixelRefFactory {
public:
virtual SkPixelRef* create(const SkImageInfo&,
size_t rowBytes,
SkColorTable*) SK_OVERRIDE;
};
protected:
// The ownPixels version of this constructor is deprecated.
SkMallocPixelRef(const SkImageInfo&, void* addr, size_t rb, SkColorTable*,
bool ownPixels);
virtual ~SkMallocPixelRef();
virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;
virtual void onUnlockPixels() SK_OVERRIDE;
virtual size_t getAllocatedSizeInBytes() const SK_OVERRIDE;
private:
void* fStorage;
SkColorTable* fCTable;
size_t fRB;
ReleaseProc fReleaseProc;
void* fReleaseProcContext;
SkMallocPixelRef(const SkImageInfo&, void* addr, size_t rb, SkColorTable*,
ReleaseProc proc, void* context);
typedef SkPixelRef INHERITED;
};
#endif
|