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. More...

#include <SkMallocPixelRef.h>

Inheritance diagram for SkMallocPixelRef:

Public Types
typedef void(*	ReleaseProc )(void addr, void context)
	Return a new SkMallocPixelRef with the provided pixel storage, rowBytes, and optional colortable. More...

Static Public Member Functions
static sk_sp< SkPixelRef >	MakeDirect (const SkImageInfo &, void *addr, size_t rowBytes, sk_sp< SkColorTable >)
	Return a new SkMallocPixelRef with the provided pixel storage, rowBytes, and optional colortable. More...

static sk_sp< SkPixelRef >	MakeAllocate (const SkImageInfo &, size_t rowBytes, sk_sp< SkColorTable >)
	Return a new SkMallocPixelRef, automatically allocating storage for the pixels. More...

static sk_sp< SkPixelRef >	MakeZeroed (const SkImageInfo &, size_t rowBytes, sk_sp< SkColorTable >)
	Identical to MakeAllocate, except all pixel bytes are zeroed.

static sk_sp< SkPixelRef >	MakeWithProc (const SkImageInfo &info, size_t rowBytes, sk_sp< SkColorTable >, void addr, ReleaseProc proc, void context)

static sk_sp< SkPixelRef >	MakeWithData (const SkImageInfo &info, size_t rowBytes, sk_sp< SkColorTable >, sk_sp< SkData > data)
	Return a new SkMallocPixelRef that will use the provided SkData, rowBytes, and optional colortable as pixel storage. More...

Private Types
typedef SkPixelRef	INHERITED

Private Member Functions
	SkMallocPixelRef (const SkImageInfo &, void addr, size_t rb, sk_sp< SkColorTable >, ReleaseProc proc, void context)

Static Private Member Functions
static sk_sp< SkPixelRef >	MakeUsing (void (alloc)(size_t), const SkImageInfo &, size_t rowBytes, sk_sp< SkColorTable >)

Private Attributes
ReleaseProc	fReleaseProc

void *	fReleaseProcContext

Additional Inherited Members
Public Member Functions inherited from SkPixelRef
	SkPixelRef (int width, int height, void *addr, size_t rowBytes, sk_sp< SkColorTable >=nullptr)

int	width () const

int	height () const

void *	pixels () const

SkColorTable *	colorTable () const

size_t	rowBytes () const

uint32_t	getGenerationID () const
	Returns a non-zero, unique value corresponding to the pixels in this pixelref. More...

void	notifyPixelsChanged ()
	Call this if you have changed the contents of the pixels. More...

bool	isImmutable () const
	Returns true if this pixelref is marked as immutable, meaning that the contents of its pixels will not change for the lifetime of the pixelref.

void	setImmutable ()
	Marks this pixelref is immutable, meaning that the contents of its pixels will not change for the lifetime of the pixelref. More...

void	addGenIDChangeListener (GenIDChangeListener *listener)

void	notifyAddedToCache ()

virtual SkDiscardableMemory *	diagnostic_only_getDiscardable () const

Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()
	Default construct, initializing the reference count to 1.

virtual	~SkRefCntBase ()
	Destruct, asserting that the reference count is 1.

int32_t	getRefCnt () const
	Return the reference count. More...

void	validate () const

bool	unique () const
	May return true if the caller is the only owner. More...

void	ref () const
	Increment the reference count. More...

void	unref () const
	Decrement the reference count. More...

Protected Member Functions inherited from SkPixelRef
virtual void	onNotifyPixelsChanged ()

Protected Member Functions inherited from SkRefCntBase
void	internal_dispose_restore_refcnt_to_1 () const
	Allow subclasses to call this if they've overridden internal_dispose so they can reset fRefCnt before the destructor is called or if they choose not to call the destructor (e.g. More...

Detailed Description

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.

Member Typedef Documentation

typedef void(* SkMallocPixelRef::ReleaseProc)(void *addr, void *context)

Return a new SkMallocPixelRef with the provided pixel storage, rowBytes, and optional colortable.

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.

Member Function Documentation

static sk_sp<SkPixelRef> SkMallocPixelRef::MakeAllocate	(	const SkImageInfo &	,
		size_t	rowBytes,
		sk_sp< SkColorTable >
	)

static

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 sk_sp<SkPixelRef> SkMallocPixelRef::MakeDirect	(	const SkImageInfo &	,
		void *	addr,
		size_t	rowBytes,
		sk_sp< SkColorTable >
	)

static

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.

Returns NULL on failure.

static sk_sp<SkPixelRef> SkMallocPixelRef::MakeWithData	(	const SkImageInfo &	info,
		size_t	rowBytes,
		sk_sp< SkColorTable >	,
		sk_sp< SkData >	data
	)

static

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.

Returns NULL on failure.

The documentation for this class was generated from the following file:

include/core/SkMallocPixelRef.h

Public Types

Static Public Member Functions

Private Types

Private Member Functions

Static Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Member Function Documentation