qbmphandler.cpp File Reference

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

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Functions
static QT_BEGIN_NAMESPACE void	swapPixel01 (QImage *image)
static QDataStream &	operator>> (QDataStream &s, BMP_FILEHDR &bf)
static QDataStream &	operator<< (QDataStream &s, const BMP_FILEHDR &bf)
static QDataStream &	operator>> (QDataStream &s, BMP_INFOHDR &bi)
static QDataStream &	operator<< (QDataStream &s, const BMP_INFOHDR &bi)
static uint	calc_shift (uint mask)
static uint	calc_scale (uint low_mask)
static uint	apply_scale (uint value, uint scale)
static bool	read_dib_fileheader (QDataStream &s, BMP_FILEHDR &bf)
static bool	read_dib_infoheader (QDataStream &s, BMP_INFOHDR &bi)
static bool	read_dib_body (QDataStream &s, const BMP_INFOHDR &bi, qint64 datapos, qint64 startpos, QImage &image)
bool	qt_write_dib (QDataStream &s, const QImage &image, 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()

static uint apply_scale ( uint  value, uint  scale  )

inlinestatic

Definition at line 158 of file qbmphandler.cpp.

Referenced by read_dib_body().

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calc_scale()

static uint calc_scale ( uint  low_mask )

static

Definition at line 148 of file qbmphandler.cpp.

Referenced by read_dib_body().

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calc_shift()

static uint calc_shift ( uint  mask )

static

Definition at line 138 of file qbmphandler.cpp.

Referenced by read_dib_body().

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operator<<() [1/2]

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

static

Definition at line 53 of file qbmphandler.cpp.

References BMP_FILEHDR::bfOffBits, BMP_FILEHDR::bfReserved1, BMP_FILEHDR::bfReserved2, BMP_FILEHDR::bfSize, BMP_FILEHDR::bfType, and QDataStream::writeRawData().

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operator<<() [2/2]

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

static

Definition at line 105 of file qbmphandler.cpp.

References BMP_INFOHDR::biAlphaMask, BMP_INFOHDR::biBitCount, BMP_INFOHDR::biBlueMask, BMP_INFOHDR::biClrImportant, BMP_INFOHDR::biClrUsed, BMP_INFOHDR::biCompression, BMP_INFOHDR::biCSType, BMP_INFOHDR::biEndpoints, BMP_INFOHDR::biGammaBlue, BMP_INFOHDR::biGammaGreen, BMP_INFOHDR::biGammaRed, BMP_INFOHDR::biGreenMask, BMP_INFOHDR::biHeight, BMP_INFOHDR::biIntent, BMP_INFOHDR::biPlanes, BMP_INFOHDR::biProfileData, BMP_INFOHDR::biProfileSize, BMP_INFOHDR::biRedMask, BMP_INFOHDR::biReserved, BMP_INFOHDR::biSize, BMP_INFOHDR::biSizeImage, BMP_INFOHDR::biWidth, BMP_INFOHDR::biXPelsPerMeter, BMP_INFOHDR::biYPelsPerMeter, BMP_WIN4, BMP_WIN5, and i.

operator>>() [1/2]

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

static

Definition at line 46 of file qbmphandler.cpp.

References BMP_FILEHDR::bfOffBits, BMP_FILEHDR::bfReserved1, BMP_FILEHDR::bfReserved2, BMP_FILEHDR::bfSize, BMP_FILEHDR::bfType, and QDataStream::readRawData().

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operator>>() [2/2]

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

static

Definition at line 74 of file qbmphandler.cpp.

References BMP_INFOHDR::biAlphaMask, BMP_INFOHDR::biBitCount, BMP_INFOHDR::biBlueMask, BMP_INFOHDR::biClrImportant, BMP_INFOHDR::biClrUsed, BMP_INFOHDR::biCompression, BMP_INFOHDR::biCSType, BMP_INFOHDR::biEndpoints, BMP_INFOHDR::biGammaBlue, BMP_INFOHDR::biGammaGreen, BMP_INFOHDR::biGammaRed, BMP_INFOHDR::biGreenMask, BMP_INFOHDR::biHeight, BMP_INFOHDR::biIntent, BMP_INFOHDR::biPlanes, BMP_INFOHDR::biProfileData, BMP_INFOHDR::biProfileSize, BMP_INFOHDR::biRedMask, BMP_INFOHDR::biReserved, BMP_INFOHDR::biSize, BMP_INFOHDR::biSizeImage, BMP_INFOHDR::biWidth, BMP_INFOHDR::biXPelsPerMeter, BMP_INFOHDR::biYPelsPerMeter, BMP_OS2, BMP_RGB, BMP_WIN, BMP_WIN4, BMP_WIN5, and i.

qt_write_dib()

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

Definition at line 585 of file qbmphandler.cpp.

References BMP_INFOHDR::biBitCount, BMP_INFOHDR::biClrImportant, BMP_INFOHDR::biClrUsed, BMP_INFOHDR::biCompression, BMP_INFOHDR::biHeight, BMP_INFOHDR::biPlanes, BMP_INFOHDR::biSize, BMP_INFOHDR::biSizeImage, BMP_INFOHDR::biWidth, BMP_INFOHDR::biXPelsPerMeter, BMP_INFOHDR::biYPelsPerMeter, BMP_RGB, BMP_WIN, d, i, QDataStream::Ok, qBlue(), qGreen(), qRed(), QRgb, and rgb.

Referenced by QBmpHandler::write().

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read_dib_body()

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

static

Definition at line 210 of file qbmphandler.cpp.

References QImageIOHandler::allocateImage(), apply_scale(), BMP_INFOHDR::biAlphaMask, BMP_INFOHDR::biBitCount, BMP_INFOHDR::biBlueMask, BMP_INFOHDR::biClrImportant, BMP_INFOHDR::biClrUsed, BMP_INFOHDR::biCompression, BMP_INFOHDR::biGreenMask, BMP_INFOHDR::biHeight, BMP_INFOHDR::biPlanes, BMP_INFOHDR::biRedMask, BMP_INFOHDR::biSize, BMP_INFOHDR::biSizeImage, BMP_INFOHDR::biWidth, BMP_INFOHDR::biXPelsPerMeter, BMP_INFOHDR::biYPelsPerMeter, BMP_ALPHABITFIELDS, BMP_BITFIELDS, BMP_OLD, BMP_RGB, BMP_RLE4, BMP_RLE8, BMP_WIN4, calc_scale(), calc_shift(), d, QImage::Format_ARGB32, QImage::Format_Indexed8, QImage::Format_Mono, QImage::Format_RGB32, i, qDebug, qGray(), QRgb, qRgb(), qRgba(), rgb, and swapPixel01().

Referenced by QBmpHandler::read().

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read_dib_fileheader()

static bool read_dib_fileheader ( QDataStream &  s, BMP_FILEHDR &  bf  )

static

Definition at line 174 of file qbmphandler.cpp.

References BMP_FILEHDR::bfType, QDataStream::Ok, and qstrncmp().

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read_dib_infoheader()

static bool read_dib_infoheader ( QDataStream &  s, BMP_INFOHDR &  bi  )

static

Definition at line 188 of file qbmphandler.cpp.

References BMP_INFOHDR::biBitCount, BMP_INFOHDR::biCompression, BMP_INFOHDR::biHeight, BMP_INFOHDR::biPlanes, BMP_INFOHDR::biWidth, BMP_BITFIELDS, BMP_RGB, BMP_RLE4, BMP_RLE8, QDataStream::Ok, and qAbs().

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swapPixel01()

static QT_BEGIN_NAMESPACE void swapPixel01 ( QImage *  image )

static

Definition at line 14 of file qbmphandler.cpp.

References i, p2, and QRgb.

Referenced by read_dib_body().

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Variable Documentation

BMP_ALPHABITFIELDS

const int BMP_ALPHABITFIELDS = 4

Definition at line 71 of file qbmphandler.cpp.

Referenced by QBmpHandler::option(), QBmpHandler::read(), and read_dib_body().

BMP_BITFIELDS

const int BMP_BITFIELDS = 3

Definition at line 70 of file qbmphandler.cpp.

Referenced by QBmpHandler::option(), QBmpHandler::read(), read_dib_body(), and read_dib_infoheader().

BMP_FILEHDR_SIZE

const int BMP_FILEHDR_SIZE = 14

Definition at line 44 of file qbmphandler.cpp.

Referenced by QBmpHandler::read(), and QBmpHandler::write().

BMP_OLD

const int BMP_OLD = 12

Definition at line 61 of file qbmphandler.cpp.

Referenced by read_dib_body().

BMP_OS2

const int BMP_OS2 = 64

Definition at line 63 of file qbmphandler.cpp.

Referenced by operator>>().

BMP_RGB

const int BMP_RGB = 0

Definition at line 67 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 69 of file qbmphandler.cpp.

Referenced by read_dib_body(), and read_dib_infoheader().

BMP_RLE8

const int BMP_RLE8 = 1

Definition at line 68 of file qbmphandler.cpp.

Referenced by read_dib_body(), and read_dib_infoheader().

BMP_WIN

const int BMP_WIN = 40

Definition at line 62 of file qbmphandler.cpp.

Referenced by operator>>(), qt_write_dib(), and QBmpHandler::write().

BMP_WIN4

const int BMP_WIN4 = 108

Definition at line 64 of file qbmphandler.cpp.

Referenced by operator<<(), operator>>(), QBmpHandler::option(), and read_dib_body().

BMP_WIN5

const int BMP_WIN5 = 124

Definition at line 65 of file qbmphandler.cpp.

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