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CVisualFrame Class Reference

class CVisualFrame : public CBase
CVisualFrame IclExtJpegApi.lib
Since
3.2

Inherits from

Nested Classes and Structures

Public Member Functions
~CVisualFrame ()
IMPORT_C const RChunk & DataChunkL ()
IMPORT_C TDataContainer DataContainer ()
IMPORT_C TInt DataOffset ()
IMPORT_C TPtr8 DataPtrL ()
IMPORT_C TSize Dimension ()
IMPORT_C TInt FrameFormat ()
IMPORT_C const TFrameLayout & FrameLayout ()
IMPORT_C CImageFrame * GetImageFrameL ()
IMPORT_C TInt MaxSize ()
IMPORT_C CVisualFrame * NewL ( TDes8 &, const TSize &, TInt )
IMPORT_C CVisualFrame * NewL ( RChunk &, TInt , TInt , TInt , const TSize &, TInt )
IMPORT_C CVisualFrame * NewL ( TDes8 &, const TSize &, TInt , const TFrameLayout &)
IMPORT_C CVisualFrame * NewL ( RChunk &, TInt , TInt , const TSize &, TInt , const TFrameLayout &)
IMPORT_C CVisualFrame * NewL (const CImageFrame *)
IMPORT_C void SetSizeL ( TInt )
IMPORT_C TInt Size ()
Inherited Functions
CBase::CBase()
CBase::Delete(CBase *)
CBase::Extension_(TUint,TAny *&,TAny *)
CBase::operator new(TUint)
CBase::operator new(TUint,TAny *)
CBase::operator new(TUint,TLeave)
CBase::operator new(TUint,TLeave,TUint)
CBase::operator new(TUint,TUint)
CBase::~CBase()
Public Member Enumerations
enum TDataContainer { EInChunk , EInDescriptor }
enum TDataFormat {
EFormatMonochrome  = 0x0001, EFormat16bitRGB444  = 0x0002, EFormat16BitRGB565  = 0x0004, EFormat32BitRGB888  = 0x0008, EFormatJpeg  = 0x0010, EFormatExif  = 0x0020, EFormatFbsBitmapColor4K  = 0x0040, EFormatFbsBitmapColor64K  = 0x0080, EFormatFbsBitmapColor16M  = 0x0100, EFormatUserDefined  = 0x0200, EFormatYUV420Interleaved  = 0x0400, EFormatYUV420Planar  = 0x0800, EFormatYUV422  = 0x1000, EFormatYUV422Reversed  = 0x2000, EFormatYUV444  = 0x4000, EFormatYUV420SemiPlanar  = 0x8000, EFormatExtYUV422Interleaved  = 0x00100000, EFormatExtYUV422Planar  = 0x00200000, EFormatExtYUV444Planar  = 0x00400000, EFormatExtDctCoeff  = 0x00800000
}
Private Attributes
CVisualFrameImpl * iVisualFrameImpl

Constructor & Destructor Documentation

~CVisualFrame()

IMPORT_C ~CVisualFrame ( ) [virtual]

Destructor

Member Functions Documentation

DataChunkL()

IMPORT_C const RChunk & DataChunkL ( ) const
Returns a constant reference to the chunk containing the image data, if exists.
Since
3.2

DataContainer()

IMPORT_C TDataContainer DataContainer ( ) const
Returns the storage type of the image data.
Since
3.2

DataOffset()

IMPORT_C TInt DataOffset ( ) const
Returns the offset of the image data for non-planar, single-component or compressed images.
Since
3.2

DataPtrL()

IMPORT_C TPtr8 DataPtrL ( ) const
Returns a descriptor pointer to the image data location, if exists
Since
3.2

Dimension()

IMPORT_C TSize Dimension ( ) const
Returns the dimensions of the image.
Since
3.2

FrameFormat()

IMPORT_C TInt FrameFormat ( ) const
Return the image data format.
Since
3.2

FrameLayout()

IMPORT_C const TFrameLayout & FrameLayout ( ) const
Returns the layout of the image data for planar compressed images.
Since
3.2

GetImageFrameL()

IMPORT_C CImageFrame * GetImageFrameL ( )
Get image frame
Since
3.2

MaxSize()

IMPORT_C TInt MaxSize ( ) const
Returns the maximum size of the memory space reserved for image data
Since
3.2

NewL(TDes8 &, const TSize &, TInt)

IMPORT_C CVisualFrame * NewL ( TDes8 & aBuffer,
const TSize & aDimension,
TInt aFrameFormat
) [static]
Symbian C++ Two-phased constructor.
Since
3.2

Parameters

TDes8 & aBuffer A descriptor reference to buffer containing the image data.
const TSize & aDimension The dimensions of the corresponding image data.
TInt aFrameFormat The frame format of the corresponding image data.

NewL(RChunk &, TInt, TInt, TInt, const TSize &, TInt)

IMPORT_C CVisualFrame * NewL ( RChunk & aChunk,
TInt aSize,
TInt aMaxSize,
TInt aDataOffset,
const TSize & aDimension,
TInt aFrameFormat
) [static]
Symbian C++ Two-phased constructor.
Since
3.2

Parameters

RChunk & aChunk An RChunk reference to buffer containing the image data.
TInt aSize The amount of image data in bytes.
TInt aMaxSize
TInt aDataOffset The offset value specifying the location of the image data in the chunk.
const TSize & aDimension The dimensions of the corresponding image data.
TInt aFrameFormat The frame format of the corresponding image data.

NewL(TDes8 &, const TSize &, TInt, const TFrameLayout &)

IMPORT_C CVisualFrame * NewL ( TDes8 & aBuffer,
const TSize & aDimension,
TInt aFrameFormat,
const TFrameLayout & aFrameLayout
) [static]
Symbian C++ Two-phased constructor.
Since
3.2

Parameters

TDes8 & aBuffer A descriptor reference to buffer containing the image data.
const TSize & aDimension The dimensions of the corresponding image data.
TInt aFrameFormat
const TFrameLayout & aFrameLayout The layout of the image color components.

NewL(RChunk &, TInt, TInt, const TSize &, TInt, const TFrameLayout &)

IMPORT_C CVisualFrame * NewL ( RChunk & aChunk,
TInt aSize,
TInt aMaxSize,
const TSize & aDimension,
TInt aFrameFormat,
const TFrameLayout & aFrameLayout
) [static]
Symbian C++ Two-phased constructor.
Since
3.2

Parameters

RChunk & aChunk An RChunk reference to buffer containing the image data.
TInt aSize The amount of image data in bytes.
TInt aMaxSize The maximum size of the memory reserved in the chunk for the image data.
const TSize & aDimension The dimensions of the corresponding image data.
TInt aFrameFormat The frame format of the corresponding image data.
const TFrameLayout & aFrameLayout The layout of the image color components. TFrameLayout contains the scan line lengths and offsets for each component in planar YUV case

NewL(const CImageFrame *)

IMPORT_C CVisualFrame * NewL ( const CImageFrame * aImageFrame ) [static]

Symbian C++ Two-phased constructor.

Parameters

const CImageFrame * aImageFrame

SetSizeL(TInt)

IMPORT_C void SetSizeL ( TInt aSize )
Sets the amount of image data to the given value. Should be called when the image data amount is modified explicitly.
Since
3.2

Parameters

TInt aSize

Size()

IMPORT_C TInt Size ( ) const
Returns the amount of stored image data in bytes.
Since
3.2

Member Enumerations Documentation

Enum TDataContainer

Enumerators

EInChunk
EInDescriptor

Enum TDataFormat

Enumerators

EFormatMonochrome = 0x0001

8 bit greyscale values, 0=black, 255=white.

EFormat16bitRGB444 = 0x0002

Packed RGB triplets, 4 bits per pixel with red in the least significant bits and the 4 most significant bits unused.

EFormat16BitRGB565 = 0x0004

Packed RGB triplets, 5 bits per pixel for red and blue and 6 bits for green, with red in the least significant bits.

EFormat32BitRGB888 = 0x0008

Packed RGB triplets, 8 bits per pixel with red in the least significant bits and the 8 most significant bits unused.

EFormatJpeg = 0x0010

JFIF JPEG.

EFormatExif = 0x0020

EXIF JPEG

EFormatFbsBitmapColor4K = 0x0040

CFbsBitmap object with display mode EColor4K.

EFormatFbsBitmapColor64K = 0x0080

CFbsBitmap object with display mode EColor64K.

EFormatFbsBitmapColor16M = 0x0100

CFbsBitmap object with display mode EColor16M.

EFormatUserDefined = 0x0200

Implementation dependent.

EFormatYUV420Interleaved = 0x0400

4:2:0 format, 8 bits per sample, Y00Y01Y10Y11UV.

EFormatYUV420Planar = 0x0800

4:2:0 format, 8 bits per sample, Y00Y01Y02Y03...U0...V0...

EFormatYUV422 = 0x1000

4:2:2 format, 8 bits per sample, UY0VY1.

EFormatYUV422Reversed = 0x2000

4:2:2 format, 8 bits per sample, Y1VY0U.

EFormatYUV444 = 0x4000

4:4:4 format, 8 bits per sample, Y00U00V00 Y01U01V01...

EFormatYUV420SemiPlanar = 0x8000

4:2:0 format, 8 bits per sample, Y00Y01Y02Y03...U0V0...

EFormatExtYUV422Interleaved = 0x00100000

4:2:2 format, 8 bits per sample, Y0Y1UV.

EFormatExtYUV422Planar = 0x00200000

4:2:2 format, 8 bits per sample, Y0Y1Y2...U0U1...V0V1.

EFormatExtYUV444Planar = 0x00400000

4:4:4 format, 8 bits per sample, Y0U0V0Y1U1V1.

EFormatExtDctCoeff = 0x00800000

DCT coefficients

Member Data Documentation

CVisualFrameImpl * iVisualFrameImpl

CVisualFrameImpl * iVisualFrameImpl [private]

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