qicnshandler.cpp File Reference

(8a62fb36a8c456fb4e1229cca8bfca88f6e57890)

#include "qicnshandler_p.h"
#include <QtCore/qmath.h>
#include <QtCore/qendian.h>
#include <QtCore/qregularexpression.h>
#include <QtCore/qbuffer.h>
#include <QtGui/qimage.h>

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Functions
	Q_STATIC_ASSERT (sizeof(ICNSColorTableMono)/sizeof(ICNSColorTableMono[0])==(1<< ICNSEntry::DepthMono))
	Q_STATIC_ASSERT (sizeof(ICNSColorTable4bit)/sizeof(ICNSColorTable4bit[0])==(1<< ICNSEntry::Depth4bit))
	Q_STATIC_ASSERT (sizeof(ICNSColorTable8bit)/sizeof(ICNSColorTable8bit[0])==(1<< ICNSEntry::Depth8bit))
static QDataStream &	operator>> (QDataStream &in, ICNSBlockHeader &p)
static QDataStream &	operator<< (QDataStream &out, const ICNSBlockHeader &p)
static bool	isPowOf2OrDividesBy16 (quint32 u, qreal r)
static bool	isBlockHeaderValid (const ICNSBlockHeader &header, quint64 bound=0)
static bool	isIconCompressed (const ICNSEntry &icon)
static bool	isMaskSuitable (const ICNSEntry &mask, const ICNSEntry &icon, ICNSEntry::Depth target)
static QByteArray	nameFromOSType (quint32 ostype)
static quint32	nameToOSType (const QByteArray &ostype)
static QByteArray	nameForCompressedIcon (quint8 iconNumber)
static QList< QRgb >	getColorTable (ICNSEntry::Depth depth)
static bool	parseIconEntryData (ICNSEntry &icon, QIODevice *device)
static bool	parseIconEntryInfo (ICNSEntry &icon)
static QImage	readMask (const ICNSEntry &mask, QDataStream &stream)
template<ICNSEntry::Depth depth>
static QImage	readLowDepthIcon (const ICNSEntry &icon, QDataStream &stream)
static QImage	read32bitIcon (const ICNSEntry &icon, QDataStream &stream)

Variables
static QT_BEGIN_NAMESPACE const quint8	ICNSBlockHeaderSize = 8
static const QRgb	ICNSColorTableMono []
static const QRgb	ICNSColorTable4bit []
static const QRgb	ICNSColorTable8bit []

Function Documentation

getColorTable()

static QList< QRgb > getColorTable ( ICNSEntry::Depth depth )

inlinestatic

Definition at line 363 of file qicnshandler.cpp.

References ICNSEntry::Depth4bit, ICNSEntry::Depth8bit, ICNSEntry::DepthMono, ICNSColorTable4bit, ICNSColorTable8bit, ICNSColorTableMono, and QRgb.

Referenced by readLowDepthIcon().

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isBlockHeaderValid()

static bool isBlockHeaderValid ( const ICNSBlockHeader & header, quint64 bound = 0 )

inlinestatic

Definition at line 324 of file qicnshandler.cpp.

References header(), ICNSBlockHeaderSize, and qBound().

Referenced by QICNSHandler::write().

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isIconCompressed()

static bool isIconCompressed ( const ICNSEntry & icon )

inlinestatic

Definition at line 330 of file qicnshandler.cpp.

References icon, ICNSEntry::JP2, and ICNSEntry::PNG.

Referenced by parseIconEntryInfo().

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isMaskSuitable()

static bool isMaskSuitable ( const ICNSEntry & mask, const ICNSEntry & icon, ICNSEntry::Depth target )

inlinestatic

Definition at line 335 of file qicnshandler.cpp.

References icon.

isPowOf2OrDividesBy16()

static bool isPowOf2OrDividesBy16 ( quint32 u, qreal r )

inlinestatic

Definition at line 319 of file qicnshandler.cpp.

Referenced by parseIconEntryInfo().

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nameForCompressedIcon()

static QByteArray nameForCompressedIcon ( quint8 iconNumber )

inlinestatic

Definition at line 354 of file qicnshandler.cpp.

References base, QByteArray::number(), and QByteArrayLiteral.

Referenced by QICNSHandler::write().

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nameFromOSType()

static QByteArray nameFromOSType ( quint32 ostype )

inlinestatic

Definition at line 341 of file qicnshandler.cpp.

References QByteArray(), and qToBigEndian().

Referenced by QICNSHandler::option(), parseIconEntryInfo(), QICNSHandler::read(), and readMask().

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nameToOSType()

static quint32 nameToOSType ( const QByteArray & ostype )

inlinestatic

Definition at line 347 of file qicnshandler.cpp.

References QByteArray::constData(), qFromBigEndian(), and QByteArray::size().

Referenced by QICNSHandler::write().

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operator<<()

static QDataStream & operator<< ( QDataStream & out, const ICNSBlockHeader & p )

inlinestatic

Definition at line 312 of file qicnshandler.cpp.

References out.

operator>>()

static QDataStream & operator>> ( QDataStream & in, ICNSBlockHeader & p )

inlinestatic

Definition at line 305 of file qicnshandler.cpp.

parseIconEntryData()

static bool parseIconEntryData ( ICNSEntry & icon, QIODevice * device )

static

Definition at line 387 of file qicnshandler.cpp.

References device, icon, ICNSEntry::IsIcon, ICNSEntry::JP2, magic, ICNSEntry::PNG, and QByteArrayLiteral.

parseIconEntryInfo()

static bool parseIconEntryInfo ( ICNSEntry & icon )

static

Definition at line 406 of file qicnshandler.cpp.

References ICNSEntry::Depth32bit, ICNSEntry::DepthMono, ICNSEntry::DepthUnknown, QString::fromLatin1(), ICNSEntry::GroupHuge, ICNSEntry::GroupLarge, ICNSEntry::GroupMini, ICNSEntry::GroupSmall, ICNSEntry::GroupThumbnail, icon, ICNSEntry::IconPlusMask, ICNSEntry::IsIcon, isIconCompressed(), ICNSEntry::IsMask, isPowOf2OrDividesBy16(), match(), nameFromOSType(), qPrintable, qRound(), qSqrt(), QStringLiteral, qWarning, r1, r2, ICNSEntry::RawIcon, and ICNSEntry::RLE24.

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Q_STATIC_ASSERT() [1/3]

Q_STATIC_ASSERT

(

sizeof(ICNSColorTable4bit)/sizeof(ICNSColorTable4bit[0])

= =(1<< ICNSEntry::Depth4bit)

)

Q_STATIC_ASSERT() [2/3]

Q_STATIC_ASSERT

(

sizeof(ICNSColorTable8bit)/sizeof(ICNSColorTable8bit[0])

= =(1<< ICNSEntry::Depth8bit)

)

Q_STATIC_ASSERT() [3/3]

Q_STATIC_ASSERT

(

sizeof(ICNSColorTableMono)/sizeof(ICNSColorTableMono[0])

= =(1<< ICNSEntry::DepthMono)

)

read32bitIcon()

static QImage read32bitIcon ( const ICNSEntry & icon, QDataStream & stream )

static

Definition at line 571 of file qicnshandler.cpp.

References QImageIOHandler::allocateImage(), QByteArray::constData(), QImage::Format_RGB32, i, icon, QByteArray::isEmpty(), line, qBlue(), qGreen(), qRed(), QRgb, qRgb(), rgb, and ICNSEntry::RLE24.

Referenced by QICNSHandler::read().

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readLowDepthIcon()

template<ICNSEntry::Depth depth>

static QImage readLowDepthIcon ( const ICNSEntry & icon, QDataStream & stream )

static

Definition at line 530 of file qicnshandler.cpp.

References QImageIOHandler::allocateImage(), ICNSEntry::Depth4bit, ICNSEntry::Depth8bit, ICNSEntry::DepthMono, QImage::Format_Indexed8, QImage::Format_Mono, getColorTable(), icon, and Q_STATIC_ASSERT.

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readMask()

static QImage readMask ( const ICNSEntry & mask, QDataStream & stream )

static

Definition at line 492 of file qicnshandler.cpp.

References QImageIOHandler::allocateImage(), ICNSEntry::Depth8bit, ICNSEntry::DepthMono, QImage::Format_RGB32, ICNSEntry::IconPlusMask, imageDataSize(), ICNSEntry::IsMask, line, nameFromOSType(), pos, QRgb, qRgb(), and qWarning.

Referenced by QICNSHandler::read().

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Variable Documentation

ICNSBlockHeaderSize

QT_BEGIN_NAMESPACE const quint8 ICNSBlockHeaderSize = 8

static

Definition at line 17 of file qicnshandler.cpp.

Referenced by isBlockHeaderValid(), and QICNSHandler::write().

ICNSColorTable4bit

const QRgb ICNSColorTable4bit[]

static

Initial value:

= {
    qRgb(0xFF, 0xFF, 0xFF),
    qRgb(0xFC, 0xF3, 0x05),
    qRgb(0xFF, 0x64, 0x02),
    qRgb(0xDD, 0x08, 0x06),
    qRgb(0xF2, 0x08, 0x84),
    qRgb(0x46, 0x00, 0xA5),
    qRgb(0x00, 0x00, 0xD4),
    qRgb(0x02, 0xAB, 0xEA),
    qRgb(0x1F, 0xB7, 0x14),
    qRgb(0x00, 0x64, 0x11),
    qRgb(0x56, 0x2C, 0x05),
    qRgb(0x90, 0x71, 0x3A),
    qRgb(0xC0, 0xC0, 0xC0),
    qRgb(0x80, 0x80, 0x80),
    qRgb(0x40, 0x40, 0x40),
    qRgb(0x00, 0x00, 0x00)
}

Definition at line 25 of file qicnshandler.cpp.

Referenced by getColorTable().

ICNSColorTable8bit

const QRgb ICNSColorTable8bit[]

static

Definition at line 45 of file qicnshandler.cpp.

Referenced by getColorTable().

ICNSColorTableMono

const QRgb ICNSColorTableMono[]

static

Initial value:

= {
    qRgb(0xFF, 0xFF, 0xFF),
    qRgb(0x00, 0x00, 0x00)
}

Definition at line 19 of file qicnshandler.cpp.

Referenced by getColorTable().