PoDoFo::PdfExtGState Class Reference

#include <PdfExtGState.h>

Inheritance diagram for PoDoFo::PdfExtGState:

Public Member Functions
	PdfExtGState (PdfVecObjects *pParent)
	PdfExtGState (PdfDocument *pParent)
const PdfName &	GetIdentifier () const
void	SetFillOpacity (float opac)
void	SetStrokeOpacity (float opac)
void	SetBlendMode (const char *blendMode)
void	SetOverprint (bool enable=true)
void	SetFillOverprint (bool enable=true)
void	SetStrokeOverprint (bool enable=true)
void	SetNonZeroOverprint (bool enable=true)
void	SetRenderingIntent (const char *intent)
void	SetFrequency (double frequency)
Public Member Functions inherited from PoDoFo::PdfElement
PdfObject *	GetObject ()
const PdfObject *	GetObject () const

Additional Inherited Members
Protected Member Functions inherited from PoDoFo::PdfElement
	PdfElement (const char *pszType, PdfVecObjects *pParent)
	PdfElement (const char *pszType, PdfDocument *pParent)
	PdfElement (const char *pszType, PdfObject *pObject)
	PdfElement (EPdfDataType eExpectedDataType, PdfObject *pObject)
const char *	TypeNameForIndex (int i, const char **ppTypes, long lLen) const
int	TypeNameToIndex (const char *pszType, const char **ppTypes, long lLen, int nUnknownValue) const
PdfObject *	CreateObject (const char *pszType=NULL)
PdfObject *	GetNonConstObject () const

Detailed Description

This class wraps the ExtGState object used in the Resource Dictionary of a Content-supporting element (page, Pattern, etc.) The main usage is for transparency, but it also support a variety of prepress features.

Constructor & Destructor Documentation

PdfExtGState() [1/2]

PoDoFo::PdfExtGState::PdfExtGState

(

PdfVecObjects *

pParent

)

Create a new PdfExtGState object which will introduce itself automatically to every page object it is used on.

Parameters

pParent

parent vector of objects

PdfExtGState() [2/2]

PoDoFo::PdfExtGState::PdfExtGState

(

PdfDocument *

pParent

)

Create a new PdfExtGState object which will introduce itself automatically to every page object it is used on.

Parameters

pParent

parent document

Member Function Documentation

GetIdentifier()

const PdfName & PoDoFo::PdfExtGState::GetIdentifier ( ) const

inline

Returns the identifier of this ExtGState how it is known in the pages resource dictionary.

Returns

PdfName containing the identifier (e.g. /ExtGS13)

SetBlendMode()

void PoDoFo::PdfExtGState::SetBlendMode

(

const char *

blendMode

)

Sets the transparency blend mode

Parameters

blendMode

one of the predefined blending modes (see PodofoDefines.h)

SetFillOpacity()

void PoDoFo::PdfExtGState::SetFillOpacity

(

float

opac

)

Sets the opacity value to be used for fill operations

Parameters

opac	a floating point value from 0 (transparent) to 1 (opaque)

SetFillOverprint()

void PoDoFo::PdfExtGState::SetFillOverprint

(

bool

enable = true

)

Enables/Disables overprinting for Fill operations

Parameters

enable

enable or disable

SetFrequency()

void PoDoFo::PdfExtGState::SetFrequency

(

double

frequency

)

Set the frequency for halftones

Parameters

frequency

screen frequency, measured in halftone cells per inch in device space

SetNonZeroOverprint()

void PoDoFo::PdfExtGState::SetNonZeroOverprint

(

bool

enable = true

)

Enables/Disables non-zero overprint mode

Parameters

enable

enable or disable

SetOverprint()

void PoDoFo::PdfExtGState::SetOverprint

(

bool

enable = true

)

Enables/Disables overprinting for both Fill & Stroke

Parameters

enable

enable or disable

SetRenderingIntent()

void PoDoFo::PdfExtGState::SetRenderingIntent

(

const char *

intent

)

Set the Rendering Intent

Parameters

intent

one of the predefined intents (see Podofo.h)

SetStrokeOpacity()

void PoDoFo::PdfExtGState::SetStrokeOpacity

(

float

opac

)

Sets the opacity value to be used for stroking operations

Parameters

opac	a floating point value from 0 (transparent) to 1 (opaque)

SetStrokeOverprint()

void PoDoFo::PdfExtGState::SetStrokeOverprint

(

bool

enable = true

)

Enables/Disables overprinting for Stroke operations

Parameters

enable

enable or disable