qbmphandler.cpp File Reference

(4053e2edcc164e716dd459b5448fc611c7b50fb0)

#include "private/qbmphandler_p.h"
#include <qimage.h>
#include <qlist.h>
#include <qvariant.h>
#include <algorithm>

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Functions
static QT_BEGIN_NAMESPACE void	swapPixel01 (QImage *imageimage)
static QDataStream &	operator>> (QDataStream &ss, BMP_FILEHDR &bf)
static QDataStream &	operator<< (QDataStream &ss, const BMP_FILEHDR &bf)
static QDataStream &	operator>> (QDataStream &ss, BMP_INFOHDR &bi)
static QDataStream &	operator<< (QDataStream &ss, const BMP_INFOHDR &bi)
static uint	calc_shift (uint maskmask)
static uint	calc_scale (uint low_mask)
static uint	apply_scale (uint valuevalue, uint scalescale)
static bool	read_dib_fileheader (QDataStream &ss, BMP_FILEHDR &bf)
static bool	read_dib_infoheader (QDataStream &ss, BMP_INFOHDR &bi)
static bool	read_dib_body (QDataStream &ss, const BMP_INFOHDR &bi, qint64 datapos, qint64 startpos, QImage &imageimage)
bool	qt_write_dib (QDataStream &ss, const QImage &imageimage, int bpl, int bpl_bmp, int nbits)

Variables
const int	BMP_FILEHDR_SIZE = 14
const int	BMP_OLD = 12
const int	BMP_WIN = 40
const int	BMP_OS2 = 64
const int	BMP_WIN4 = 108
const int	BMP_WIN5 = 124
const int	BMP_RGB = 0
const int	BMP_RLE8 = 1
const int	BMP_RLE4 = 2
const int	BMP_BITFIELDS = 3
const int	BMP_ALPHABITFIELDS = 4

Function Documentation

apply_scale()

uint apply_scale ( uint value, uint scale )

inlinestatic

Definition at line 161 of file qbmphandler.cpp.

Referenced by read_dib_body().

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calc_scale()

uint calc_scale ( uint low_mask )

static

Definition at line 151 of file qbmphandler.cpp.

Referenced by read_dib_body().

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calc_shift()

uint calc_shift ( uint mask )

static

Definition at line 141 of file qbmphandler.cpp.

Referenced by read_dib_body().

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operator<<() [1/2]

QDataStream & operator<< ( QDataStream & s, const BMP_FILEHDR & bf )

static

Definition at line 56 of file qbmphandler.cpp.

operator<<() [2/2]

QDataStream & operator<< ( QDataStream & s, const BMP_INFOHDR & bi )

static

Definition at line 108 of file qbmphandler.cpp.

References BMP_WIN4, and BMP_WIN5.

operator>>() [1/2]

QDataStream & operator>> ( QDataStream & s, BMP_FILEHDR & bf )

static

Definition at line 49 of file qbmphandler.cpp.

operator>>() [2/2]

QDataStream & operator>> ( QDataStream & s, BMP_INFOHDR & bi )

static

Definition at line 77 of file qbmphandler.cpp.

References BMP_OS2, BMP_RGB, BMP_WIN, BMP_WIN4, and BMP_WIN5.

qt_write_dib()

bool qt_write_dib	(	QDataStream &	s,
		const QImage &	image,
		int	bpl,
		int	bpl_bmp,
		int	nbits )

Definition at line 604 of file qbmphandler.cpp.

References BMP_RGB, and BMP_WIN.

read_dib_body()

bool read_dib_body ( QDataStream & s, const BMP_INFOHDR & bi, qint64 datapos, qint64 startpos, QImage & image )

static

Definition at line 211 of file qbmphandler.cpp.

References apply_scale(), BMP_ALPHABITFIELDS, BMP_BITFIELDS, BMP_OLD, BMP_RGB, BMP_RLE4, BMP_RLE8, BMP_WIN4, calc_scale(), calc_shift(), and swapPixel01().

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read_dib_fileheader()

bool read_dib_fileheader ( QDataStream & s, BMP_FILEHDR & bf )

static

Definition at line 177 of file qbmphandler.cpp.

read_dib_infoheader()

bool read_dib_infoheader ( QDataStream & s, BMP_INFOHDR & bi )

static

Definition at line 190 of file qbmphandler.cpp.

References BMP_BITFIELDS, BMP_RGB, BMP_RLE4, and BMP_RLE8.

swapPixel01()

QT_BEGIN_NAMESPACE void swapPixel01 ( QImage * image )

static

Definition at line 17 of file qbmphandler.cpp.

Referenced by read_dib_body().

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Variable Documentation

BMP_ALPHABITFIELDS

const int BMP_ALPHABITFIELDS = 4

Definition at line 74 of file qbmphandler.cpp.

Referenced by read_dib_body().

BMP_BITFIELDS

const int BMP_BITFIELDS = 3

Definition at line 73 of file qbmphandler.cpp.

Referenced by read_dib_body(), and read_dib_infoheader().

BMP_FILEHDR_SIZE

const int BMP_FILEHDR_SIZE = 14

Definition at line 47 of file qbmphandler.cpp.

BMP_OLD

const int BMP_OLD = 12

Definition at line 64 of file qbmphandler.cpp.

Referenced by read_dib_body().

BMP_OS2

const int BMP_OS2 = 64

Definition at line 66 of file qbmphandler.cpp.

Referenced by operator>>().

BMP_RGB

const int BMP_RGB = 0

Definition at line 70 of file qbmphandler.cpp.

Referenced by operator>>(), qt_write_dib(), read_dib_body(), and read_dib_infoheader().

BMP_RLE4

const int BMP_RLE4 = 2

Definition at line 72 of file qbmphandler.cpp.

Referenced by read_dib_body(), and read_dib_infoheader().

BMP_RLE8

const int BMP_RLE8 = 1

Definition at line 71 of file qbmphandler.cpp.

Referenced by read_dib_body(), and read_dib_infoheader().

BMP_WIN

const int BMP_WIN = 40

Definition at line 65 of file qbmphandler.cpp.

Referenced by operator>>(), and qt_write_dib().

BMP_WIN4

const int BMP_WIN4 = 108

Definition at line 67 of file qbmphandler.cpp.

Referenced by operator<<(), operator>>(), and read_dib_body().

BMP_WIN5

const int BMP_WIN5 = 124

Definition at line 68 of file qbmphandler.cpp.

Referenced by operator<<(), and operator>>().