#include "qtransform.h"
#include "qdatastream.h"
#include "qdebug.h"
#include "qhashfunctions.h"
#include "qregion.h"
#include "qpainterpath.h"
#include "qpainterpath_p.h"
#include "qvariant.h"
#include "qmath_p.h"
#include <qnumeric.h>
#include <private/qbezier_p.h>

Include dependency graph for qtransform.cpp:

Classes
struct	QHomogeneousCoordinate

Macros
#define	Q_NEAR_CLIP (sizeof(qreal) == sizeof(double) ? 0.000001 : 0.0001)

#define	MAP(x, y, nx, ny)

Functions
QDataStream &	operator<< (QDataStream &s, const QTransform &m)

QDataStream &	operator>> (QDataStream &s, QTransform &t)

QDebug	operator<< (QDebug dbg, const QTransform &m)

QPainterPath	qt_regionToPath (const QRegion &region)

Q_GUI_EXPORT bool	qt_scaleForTransform (const QTransform &transform, qreal *scale)

QDataStream &	operator>> (QDataStream &s, QTransform::Affine &m)

QDataStream &	operator<< (QDataStream &s, const QTransform::Affine &m)

Variables
const qreal	inv_dist_to_plane = 1. / 1024.

Macro Definition Documentation

◆ MAP

#define MAP	(	x,
		y,
		nx,
		ny
	)

Value:

    do { \
        qreal FX_ = x; \
        qreal FY_ = y; \
        switch(t) {   \
        case TxNone:  \
            nx = FX_;   \
            ny = FY_;   \
            break;    \
        case TxTranslate:    \
            nx = FX_ + m_matrix[2][0];                \
            ny = FY_ + m_matrix[2][1];                \
            break;                              \
        case TxScale:                           \
            nx = m_matrix[0][0] * FX_ + m_matrix[2][0];  \
            ny = m_matrix[1][1] * FY_ + m_matrix[2][1];  \
            break;                              \
        case TxRotate:                          \
        case TxShear:                           \
        case TxProject:                                      \
            nx = m_matrix[0][0] * FX_ + m_matrix[1][0] * FY_ + m_matrix[2][0];        \
            ny = m_matrix[0][1] * FX_ + m_matrix[1][1] * FY_ + m_matrix[2][1];        \
            if (t == TxProject) {                                       \
                qreal w = (m_matrix[0][2] * FX_ + m_matrix[1][2] * FY_ + m_matrix[2][2]);              \
                if (w < qreal(Q_NEAR_CLIP)) w = qreal(Q_NEAR_CLIP);     \
                w = 1./w;                                               \
                nx *= w;                                                \
                ny *= w;                                                \
            }                                                           \
        }                                                               \
    } while (0)

Definition at line 68 of file qtransform.cpp.

◆ Q_NEAR_CLIP

#define Q_NEAR_CLIP (sizeof(qreal) == sizeof(double) ? 0.000001 : 0.0001)

Definition at line 63 of file qtransform.cpp.

Function Documentation

◆ operator<<() [1/3]

QDataStream& operator<<	(	QDataStream &	s,
		const QTransform &	m
	)

◆ operator<<() [2/3]

QDataStream& operator<<	(	QDataStream &	s,
		const QTransform::Affine &	m
	)

Definition at line 2350 of file qtransform.cpp.

◆ operator<<() [3/3]

QDebug operator<<	(	QDebug	dbg,
		const QTransform &	m
	)

Definition at line 1082 of file qtransform.cpp.

◆ operator>>() [1/2]

QDataStream& operator>>	(	QDataStream &	s,
		QTransform &	t
	)

◆ operator>>() [2/2]

QDataStream& operator>>	(	QDataStream &	s,
		QTransform::Affine &	m
	)

Definition at line 2324 of file qtransform.cpp.

◆ qt_regionToPath()

QPainterPath qt_regionToPath ( const QRegion & region )

Definition at line 1043 of file qregion.cpp.

◆ qt_scaleForTransform()

Q_GUI_EXPORT bool qt_scaleForTransform	(	const QTransform &	transform,
		qreal *	scale
	)

Definition at line 2283 of file qtransform.cpp.

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Variable Documentation

◆ inv_dist_to_plane

const qreal inv_dist_to_plane = 1. / 1024.

Definition at line 572 of file qtransform.cpp.

Classes

Macros

Functions

Variables