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TImageConvOperation Class Reference

class TImageConvOperation

Image Conversion Library extensions. When applied together there is an implicit order for operations: 1. Crop or clip. 2. Scale 3. Rotate / mirror over axis. Operation extension for Image Conversion Library. Allows rotation and mirror over axis.

Public Member Functions
IMPORT_C void	AddOperationL ( TOperation )
IMPORT_C TUint	Capabilities ()
IMPORT_C void	ClearOperationStack ()

Private Member Functions
	TImageConvOperation ()
void	SetExtension ( MImageConvExtension *)

Public Member Enumerations
enum	TOperation { ERotation90DegreesClockwise = 0x01, ERotation180DegreesClockwise = 0x02, ERotation270DegreesClockwise = 0x04, EMirrorHorizontalAxis = 0x08, EMirrorVerticalAxis = 0x10 }

Private Attributes
MImageConvOperation *	iExtension
TInt	iReserved

Constructor & Destructor Documentation

TImageConvOperation()

IMPORT_C

TImageConvOperation

(

)

[private]

Member Functions Documentation

AddOperationL(TOperation)

IMPORT_C void

AddOperationL

(

TOperation

aOperation

)

Set up an operation be applied to the source. May be called more than once to set up a stack of operations, but it is not possible to add more than one operation in a single call. The operations are applied to the image in the same order as they are added.

leave: if more than one TOperation enum is passed for each individual call

Parameters

TOperation aOperation

The operation to add to the current stack of operations.

Capabilities()

IMPORT_C TUint

Capabilities

(

)

const

Get the codec plugin's capabilities.

ClearOperationStack()

IMPORT_C void

ClearOperationStack

(

)

Remove all operations previously set.

SetExtension(MImageConvExtension *)

void

SetExtension

(

MImageConvExtension *

aExtension

)

[private]

Parameters

MImageConvExtension * aExtension

Member Enumerations Documentation

Enum TOperation

Operations or transforms on an image.

Enumerators

ERotation90DegreesClockwise = 0x01	Rotate source 90 degrees clockwise.
ERotation180DegreesClockwise = 0x02	Rotate source 180 degrees clockwise.
ERotation270DegreesClockwise = 0x04	Rotate source 270 degrees clockwise.
EMirrorHorizontalAxis = 0x08	Mirror source about the horizontal axis.
EMirrorVerticalAxis = 0x10	Mirror source about the vertical axis.

Member Data Documentation

MImageConvOperation * iExtension

MImageConvOperation *

iExtension

[private]

TInt iReserved

TInt

iReserved

[private]