skia2/include/core/SkMallocPixelRef.h
Mike Klein c0bd9f9fe5 rewrite includes to not need so much -Ifoo
Current strategy: everything from the top

Things to look at first are the manual changes:

   - added tools/rewrite_includes.py
   - removed -Idirectives from BUILD.gn
   - various compile.sh simplifications
   - tweak tools/embed_resources.py
   - update gn/find_headers.py to write paths from the top
   - update gn/gn_to_bp.py SkUserConfig.h layout
     so that #include "include/config/SkUserConfig.h" always
     gets the header we want.

No-Presubmit: true
Change-Id: I73a4b181654e0e38d229bc456c0d0854bae3363e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209706
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
2019-04-24 16:27:11 +00:00

81 lines
2.7 KiB
C++

/*
* 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 "include/core/SkPixelRef.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkTypes.h"
class SkData;
struct SkImageInfo;
/** 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:
/**
* Return a new SkMallocPixelRef with the provided pixel storage and
* rowBytes. The caller is responsible for managing the lifetime of the
* pixel storage buffer, as this pixelref will not try to delete it.
*
* Returns NULL on failure.
*/
static sk_sp<SkPixelRef> MakeDirect(const SkImageInfo&, void* addr, size_t rowBytes);
/**
* 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.
*
* All pixel bytes are zeroed.
*
* Returns NULL on failure.
*/
static sk_sp<SkPixelRef> MakeAllocate(const SkImageInfo&, size_t rowBytes);
/**
* Return a new SkMallocPixelRef with the provided pixel storage and
* rowBytes. On destruction, ReleaseProc will be called.
*
* If ReleaseProc is NULL, the pixels will never be released. This
* can be useful if the pixels were stack allocated. However, such an
* SkMallocPixelRef must not live beyond its pixels (e.g. by copying
* an SkBitmap pointing to it, or drawing to an SkPicture).
*
* Returns NULL on failure.
*/
typedef void (*ReleaseProc)(void* addr, void* context);
static sk_sp<SkPixelRef> MakeWithProc(const SkImageInfo& info, size_t rowBytes, void* addr,
ReleaseProc proc, void* context);
/**
* Return a new SkMallocPixelRef that will use the provided SkData and
* rowBytes as pixel storage. The SkData will be ref()ed and on
* destruction of the PixelRef, the SkData will be unref()ed.
*
* Returns NULL on failure.
*/
static sk_sp<SkPixelRef> MakeWithData(const SkImageInfo&, size_t rowBytes, sk_sp<SkData> data);
protected:
~SkMallocPixelRef() override;
private:
ReleaseProc fReleaseProc;
void* fReleaseProcContext;
SkMallocPixelRef(const SkImageInfo&, void* addr, size_t rb, ReleaseProc proc, void* context);
typedef SkPixelRef INHERITED;
};
#endif