CPDF_Function Class Reference

#include <cpdf_function.h>

Inheritance diagram for CPDF_Function:

Collaboration diagram for CPDF_Function:

Public Types
enum class	Type {   kTypeInvalid = -1 , kType0Sampled = 0 , kType2ExponentialInterpolation = 2 , kType3Stitching = 3 ,   kType4PostScript = 4 }

Public Member Functions
virtual	~CPDF_Function ()
absl::optional< uint32_t >	Call (pdfium::span< const float > inputs, pdfium::span< float > results) const
uint32_t	CountInputs () const
uint32_t	CountOutputs () const
float	GetDomain (int i) const
float	GetRange (int i) const
float	Interpolate (float x, float xmin, float xmax, float ymin, float ymax) const

Static Public Member Functions
static std::unique_ptr< CPDF_Function >	Load (RetainPtr< const CPDF_Object > pFuncObj)

Protected Types
using	VisitedSet = std::set<RetainPtr<const CPDF_Object>>

Protected Member Functions
	CPDF_Function (Type type)
bool	Init (const CPDF_Object *pObj, VisitedSet *pVisited)
virtual bool	v_Init (const CPDF_Object *pObj, VisitedSet *pVisited)=0
virtual bool	v_Call (pdfium::span< const float > inputs, pdfium::span< float > results) const =0

Static Protected Member Functions
static std::unique_ptr< CPDF_Function >	Load (RetainPtr< const CPDF_Object > pFuncObj, VisitedSet *pVisited)

Protected Attributes
const Type	m_Type
uint32_t	m_nInputs = 0
uint32_t	m_nOutputs = 0
std::vector< float >	m_Domains
std::vector< float >	m_Ranges

Detailed Description

Definition at line 23 of file cpdf_function.h.

Member Typedef Documentation

VisitedSet

using CPDF_Function::VisitedSet = std::set<RetainPtr<const CPDF_Object>>

protected

Definition at line 60 of file cpdf_function.h.

Member Enumeration Documentation

Type

enum class CPDF_Function::Type

strong

Enumerator
kTypeInvalid
kType0Sampled
kType2ExponentialInterpolation
kType3Stitching
kType4PostScript

Definition at line 26 of file cpdf_function.h.

Constructor & Destructor Documentation

~CPDF_Function()

CPDF_Function::~CPDF_Function ( )

virtualdefault

CPDF_Function()

CPDF_Function::CPDF_Function ( Type type )

explicitprotected

Definition at line 84 of file cpdf_function.cpp.

References m_Type.

Referenced by CPDF_ExpIntFunc::CPDF_ExpIntFunc(), CPDF_PSFunc::CPDF_PSFunc(), CPDF_SampledFunc::CPDF_SampledFunc(), and CPDF_StitchFunc::CPDF_StitchFunc().

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Member Function Documentation

Call()

absl::optional< uint32_t > CPDF_Function::Call	(	pdfium::span< const float >	inputs,
		pdfium::span< float >	results ) const

Definition at line 131 of file cpdf_function.cpp.

References m_nInputs, and m_nOutputs.

CountInputs()

uint32_t CPDF_Function::CountInputs ( ) const

inline

Definition at line 41 of file cpdf_function.h.

References m_nInputs.

CountOutputs()

uint32_t CPDF_Function::CountOutputs ( ) const

inline

Definition at line 42 of file cpdf_function.h.

References m_nOutputs.

GetDomain()

float CPDF_Function::GetDomain ( int i ) const

inline

Definition at line 43 of file cpdf_function.h.

GetRange()

float CPDF_Function::GetRange ( int i ) const

inline

Definition at line 44 of file cpdf_function.h.

Init()

bool CPDF_Function::Init ( const CPDF_Object * pObj, VisitedSet * pVisited )

protected

Definition at line 88 of file cpdf_function.cpp.

References CPDF_Object::AsStream(), kType0Sampled, kType4PostScript, m_nInputs, m_nOutputs, and m_Type.

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Interpolate()

float CPDF_Function::Interpolate	(	float	x,
		float	xmin,
		float	xmax,
		float	ymin,
		float	ymax ) const

Definition at line 164 of file cpdf_function.cpp.

Load() [1/2]

std::unique_ptr< CPDF_Function > CPDF_Function::Load ( RetainPtr< const CPDF_Object > pFuncObj )

static

Definition at line 43 of file cpdf_function.cpp.

Load() [2/2]

std::unique_ptr< CPDF_Function > CPDF_Function::Load ( RetainPtr< const CPDF_Object > pFuncObj, VisitedSet * pVisited )

staticprotected

Definition at line 50 of file cpdf_function.cpp.

References CPDF_Object::GetDict(), CPDF_Dictionary::GetIntegerFor(), kType0Sampled, kType2ExponentialInterpolation, kType3Stitching, and kType4PostScript.

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v_Call()

virtual bool CPDF_Function::v_Call ( pdfium::span< const float > inputs, pdfium::span< float > results ) const

protectedpure virtual

Implemented in CPDF_ExpIntFunc, CPDF_PSFunc, CPDF_SampledFunc, and CPDF_StitchFunc.

v_Init()

virtual bool CPDF_Function::v_Init ( const CPDF_Object * pObj, VisitedSet * pVisited )

protectedpure virtual

Implemented in CPDF_ExpIntFunc, CPDF_PSFunc, CPDF_SampledFunc, and CPDF_StitchFunc.

Member Data Documentation

m_Domains

std::vector<float> CPDF_Function::m_Domains

protected

Definition at line 72 of file cpdf_function.h.

m_nInputs

uint32_t CPDF_Function::m_nInputs = 0

protected

Definition at line 70 of file cpdf_function.h.

Referenced by Call(), CountInputs(), Init(), CPDF_ExpIntFunc::v_Call(), CPDF_SampledFunc::v_Call(), CPDF_ExpIntFunc::v_Init(), CPDF_SampledFunc::v_Init(), and CPDF_StitchFunc::v_Init().

m_nOutputs

uint32_t CPDF_Function::m_nOutputs = 0

protected

Definition at line 71 of file cpdf_function.h.

Referenced by Call(), CountOutputs(), Init(), CPDF_SampledFunc::v_Call(), CPDF_ExpIntFunc::v_Init(), and CPDF_SampledFunc::v_Init().

m_Ranges

std::vector<float> CPDF_Function::m_Ranges

protected

Definition at line 73 of file cpdf_function.h.

m_Type

const Type CPDF_Function::m_Type

protected

Definition at line 69 of file cpdf_function.h.

Referenced by CPDF_Function(), and Init().

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

• qtwebengine/src/3rdparty/chromium/third_party/pdfium/core/fpdfapi/page/cpdf_function.h (9c1f44f67466fea2fb20bb6f31fea388d8c65961)
• qtwebengine/src/3rdparty/chromium/third_party/pdfium/core/fpdfapi/page/cpdf_function.cpp (9c1f44f67466fea2fb20bb6f31fea388d8c65961)