PoDoFo 0.9.20
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#include <PdfExtGState.h>
Inherits PoDoFo::PdfDictionaryElement.
Public Member Functions | |
PdfExtGState (PdfDocument &doc) | |
void | SetFillOpacity (double opac) |
void | SetStrokeOpacity (double opac) |
void | SetBlendMode (const std::string_view &blendMode) |
void | SetOverprint (bool enable=true) |
void | SetFillOverprint (bool enable=true) |
void | SetStrokeOverprint (bool enable=true) |
void | SetNonZeroOverprint (bool enable=true) |
void | SetRenderingIntent (const std::string_view &intent) |
void | SetFrequency (double frequency) |
const PdfName & | GetIdentifier () const |
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.
PdfExtGState::PdfExtGState | ( | PdfDocument & | doc | ) |
Create a new PdfExtGState object which will introduce itself automatically to every page object it is used on.
parent | parent document |
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inline |
Returns the identifier of this ExtGState how it is known in the pages resource dictionary.
void PdfExtGState::SetBlendMode | ( | const std::string_view & | blendMode | ) |
Sets the transparency blend mode
blendMode | one of the predefined blending modes (see PdfDeclarations.h) |
void PdfExtGState::SetFillOpacity | ( | double | opac | ) |
Sets the opacity value to be used for fill operations
opac | a floating point value from 0 (transparent) to 1 (opaque) |
void PdfExtGState::SetFillOverprint | ( | bool | enable = true | ) |
Enables/Disables overprinting for Fill operations
enable | enable or disable |
void PdfExtGState::SetFrequency | ( | double | frequency | ) |
Set the frequency for halftones
frequency | screen frequency, measured in halftone cells per inch in device space |
void PdfExtGState::SetNonZeroOverprint | ( | bool | enable = true | ) |
Enables/Disables non-zero overprint mode
enable | enable or disable |
void PdfExtGState::SetOverprint | ( | bool | enable = true | ) |
Enables/Disables overprinting for both Fill & Stroke
enable | enable or disable |
void PdfExtGState::SetRenderingIntent | ( | const std::string_view & | intent | ) |
Set the Rendering Intent
intent | one of the predefined intents |
void PdfExtGState::SetStrokeOpacity | ( | double | opac | ) |
Sets the opacity value to be used for stroking operations
opac | a floating point value from 0 (transparent) to 1 (opaque) |
void PdfExtGState::SetStrokeOverprint | ( | bool | enable = true | ) |
Enables/Disables overprinting for Stroke operations
enable | enable or disable |