QPngHandlerPrivate Class Reference

Collaboration diagram for QPngHandlerPrivate:

Classes
struct	AllocatedMemoryPointers

Public Types
enum	State { Ready , ReadHeader , ReadingEnd , Error }
enum	ColorSpaceState { Undefined = 0 , GammaChrm = 1 , Srgb = 2 , Icc = 3 }

Public Member Functions
	QPngHandlerPrivate (QPngHandler *qq)
bool	readPngHeader ()
bool	readPngImage (QImage *image)
void	readPngTexts (png_info *info)
QImage::Format	readImageFormat ()

Public Attributes
float	gamma
float	fileGamma
int	quality
int	compression
QString	description
QSize	scaledSize
QStringList	readTexts
QColorSpace	colorSpace
ColorSpaceState	colorSpaceState
png_struct *	png_ptr
png_info *	info_ptr
png_info *	end_info
AllocatedMemoryPointers	amp
State	state
QPngHandler *	q

Detailed Description

Definition at line 61 of file qpnghandler.cpp.

Member Enumeration Documentation

ColorSpaceState

enum QPngHandlerPrivate::ColorSpaceState

Enumerator
Undefined
GammaChrm
Srgb
Icc

Definition at line 71 of file qpnghandler.cpp.

State

enum QPngHandlerPrivate::State

Enumerator
Ready
ReadHeader
ReadingEnd
Error

Definition at line 64 of file qpnghandler.cpp.

Constructor & Destructor Documentation

QPngHandlerPrivate()

QPngHandlerPrivate::QPngHandlerPrivate ( QPngHandler * qq )

inline

Definition at line 78 of file qpnghandler.cpp.

Member Function Documentation

readImageFormat()

QImage::Format QPngHandlerPrivate::readImageFormat

(

)

Definition at line 709 of file qpnghandler.cpp.

References QImage::Format_ARGB32, QImage::Format_Grayscale16, QImage::Format_Grayscale8, QImage::Format_Indexed8, QImage::Format_Invalid, QImage::Format_Mono, QImage::Format_RGB32, QImage::Format_RGBA64, QImage::Format_RGBX64, info_ptr, palette, and png_ptr.

Referenced by QPngHandler::option().

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readPngHeader()

bool QPngHandlerPrivate::readPngHeader

(

)

Definition at line 506 of file qpnghandler.cpp.

References QColorSpacePrimaries::areValid(), QColorSpacePrimaries::bluePoint, colorSpace, colorSpaceState, end_info, Error, fileGamma, QColorSpace::fromIccProfile(), QString::fromLatin1(), QColorSpace::Gamma, GammaChrm, QColorSpacePrivate::get(), QColorSpacePrimaries::greenPoint, Icc, info_ptr, iod_read_fn(), png_ptr, Q_UNUSED, QByteArray(), qt_png_warning(), ReadHeader, readPngTexts(), QColorSpacePrimaries::redPoint, Srgb, QColorSpace::SRgb, state, and QColorSpacePrimaries::whitePoint.

Referenced by QPngHandler::option(), and readPngImage().

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readPngImage()

bool QPngHandlerPrivate::readPngImage

(

QImage *

image

)

Definition at line 609 of file qpnghandler.cpp.

References amp, colorSpace, colorSpaceState, QPngHandlerPrivate::AllocatedMemoryPointers::deallocate(), end_info, Error, FAST_SCAN_LINE, fileGamma, QImage::Format_Indexed8, gamma, QColorSpace::Gamma, GammaChrm, i, Qt::IgnoreAspectRatio, info_ptr, QSize::isValid(), QColorSpace::isValid(), png_ptr, read_image_scaled(), ReadingEnd, readPngHeader(), readPngTexts(), readTexts, Ready, QPngHandlerPrivate::AllocatedMemoryPointers::row_pointers, scaledSize, QColorSpace::setTransferFunction(), setup_qt(), Qt::SmoothTransformation, state, and Undefined.

Referenced by QPngHandler::read().

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readPngTexts()

void QPngHandlerPrivate::readPngTexts

(

png_info *

info

)

Definition at line 475 of file qpnghandler.cpp.

References description, QString::fromLatin1(), QString::fromUtf8(), info, QString::isEmpty(), png_ptr, Q_UNUSED, readTexts, and QString::simplified().

Referenced by readPngHeader(), and readPngImage().

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Member Data Documentation

amp

AllocatedMemoryPointers QPngHandlerPrivate::amp

Definition at line 124 of file qpnghandler.cpp.

Referenced by readPngImage().

colorSpace

QColorSpace QPngHandlerPrivate::colorSpace

Definition at line 89 of file qpnghandler.cpp.

Referenced by readPngHeader(), and readPngImage().

colorSpaceState

ColorSpaceState QPngHandlerPrivate::colorSpaceState

Definition at line 90 of file qpnghandler.cpp.

Referenced by readPngHeader(), and readPngImage().

compression

int QPngHandlerPrivate::compression

Definition at line 85 of file qpnghandler.cpp.

Referenced by QPngHandler::option(), QPngHandler::setOption(), and QPngHandler::write().

description

QString QPngHandlerPrivate::description

Definition at line 86 of file qpnghandler.cpp.

Referenced by QPngHandler::option(), readPngTexts(), QPngHandler::setOption(), and QPngHandler::write().

end_info

png_info* QPngHandlerPrivate::end_info

Definition at line 94 of file qpnghandler.cpp.

Referenced by QPngHandler::~QPngHandler(), readPngHeader(), and readPngImage().

fileGamma

float QPngHandlerPrivate::fileGamma

Definition at line 83 of file qpnghandler.cpp.

Referenced by QPngHandler::option(), readPngHeader(), and readPngImage().

gamma

float QPngHandlerPrivate::gamma

Definition at line 82 of file qpnghandler.cpp.

Referenced by QPngHandler::option(), readPngImage(), QPngHandler::setOption(), and QPngHandler::write().

info_ptr

png_info* QPngHandlerPrivate::info_ptr

Definition at line 93 of file qpnghandler.cpp.

Referenced by QPngHandler::~QPngHandler(), QPngHandler::option(), readImageFormat(), readPngHeader(), and readPngImage().

png_ptr

png_struct* QPngHandlerPrivate::png_ptr

Definition at line 92 of file qpnghandler.cpp.

Referenced by QPngHandler::~QPngHandler(), QPngHandler::option(), readImageFormat(), readPngHeader(), readPngImage(), and readPngTexts().

q

QPngHandler* QPngHandlerPrivate::q

Definition at line 128 of file qpnghandler.cpp.

quality

int QPngHandlerPrivate::quality

Definition at line 84 of file qpnghandler.cpp.

Referenced by QPngHandler::option(), QPngHandler::setOption(), and QPngHandler::write().

readTexts

QStringList QPngHandlerPrivate::readTexts

Definition at line 88 of file qpnghandler.cpp.

Referenced by readPngImage(), and readPngTexts().

scaledSize

QSize QPngHandlerPrivate::scaledSize

Definition at line 87 of file qpnghandler.cpp.

Referenced by QPngHandler::option(), readPngImage(), and QPngHandler::setOption().

state

State QPngHandlerPrivate::state

Definition at line 126 of file qpnghandler.cpp.

Referenced by QPngHandler::canRead(), QPngHandler::option(), readPngHeader(), and readPngImage().

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

• qtbase/src/gui/image/qpnghandler.cpp (003cef9d40f2e840f2690bd465994deaab5c2b95)