PoDoFo::PdfExtGState Class Reference

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. More...

#include <PdfExtGState.h>

Inherits PoDoFo::PdfDictionaryElement.

Public Member Functions
void	SetFillOpacity (nullable< double > opacity)
	Sets the opacity value to be used for fill operations. More...
void	SetStrokeOpacity (nullable< double > opacity)
	Sets the opacity value to be used for stroking operations. More...
void	SetBlendMode (nullable< PdfBlendMode > blendMode)
	Sets the transparency blend mode. More...
void	SetOverprintEnabled (nullable< bool > enabled)
	Enables/Disables overprinting for both Fill & Stroke. More...
void	SetFillOverprintEnabled (nullable< bool > enabled)
	Enables/Disables overprinting for Fill operations. More...
void	SetStrokeOverprintEnabled (nullable< bool > enabled)
	Enables/Disables overprinting for Stroke operations. More...
void	SetNonZeroOverprintEnabled (nullable< bool > enabled)
	Enables/Disables non-zero overprint mode. More...
void	SetRenderingIntent (nullable< PdfRenderingIntent > intent)
	Set the Rendering Intent. More...
void	SetFrequency (double frequency)
	Set the frequency for halftones. More...

Friends
class	PdfDocument
class	PdfGraphicsStateWrapper

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.

Member Function Documentation

SetBlendMode()

void PdfExtGState::SetBlendMode

(

nullable< PdfBlendMode >

blendMode

)

Sets the transparency blend mode.

Parameters

blendMode

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

SetFillOpacity()

void PdfExtGState::SetFillOpacity

(

nullable< double >

opacity

)

Sets the opacity value to be used for fill operations.

Parameters

opacity

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

SetFillOverprintEnabled()

void PdfExtGState::SetFillOverprintEnabled

(

nullable< bool >

enabled

)

Enables/Disables overprinting for Fill operations.

Parameters

enable

enable or disable

SetFrequency()

void PdfExtGState::SetFrequency

(

double

frequency

)

Set the frequency for halftones.

Parameters

frequency

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

SetNonZeroOverprintEnabled()

void PdfExtGState::SetNonZeroOverprintEnabled

(

nullable< bool >

enabled

)

Enables/Disables non-zero overprint mode.

Parameters

enable

enable or disable

SetOverprintEnabled()

void PdfExtGState::SetOverprintEnabled

(

nullable< bool >

enabled

)

Enables/Disables overprinting for both Fill & Stroke.

Parameters

enable

enable or disable

SetRenderingIntent()

void PdfExtGState::SetRenderingIntent

(

nullable< PdfRenderingIntent >

intent

)

Set the Rendering Intent.

Parameters

intent

one of the predefined intents

SetStrokeOpacity()

void PdfExtGState::SetStrokeOpacity

(

nullable< double >

opacity

)

Sets the opacity value to be used for stroking operations.

Parameters

opacity

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

SetStrokeOverprintEnabled()

void PdfExtGState::SetStrokeOverprintEnabled

(

nullable< bool >

enabled

)

Enables/Disables overprinting for Stroke operations.

Parameters

enable

enable or disable

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

• src/podofo/main/PdfExtGState.h
• src/podofo/main/PdfExtGState.cpp