Qt 4.8
qdeclarativetranslate.cpp
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41 
42 #include "private/qdeclarativetranslate_p.h"
43 #include <private/qgraphicstransform_p.h>
44 #include <QDebug>
45 #include <QtCore/qmath.h>
46 
48 
50 {
51 public:
53  : x(0), y(0) {}
56 };
57 
63 {
64 }
65 
70 {
71 }
72 
85 {
87  return d->x;
88 }
90 {
92  if (d->x == x)
93  return;
94  d->x = x;
95  update();
96  emit xChanged();
97 }
98 
111 {
112  Q_D(const QDeclarativeTranslate);
113  return d->y;
114 }
116 {
118  if (d->y == y)
119  return;
120  d->y = y;
121  update();
122  emit yChanged();
123 }
124 
126 {
127  Q_D(const QDeclarativeTranslate);
128  matrix->translate(d->x, d->y, 0);
129 }
130 
void translate(const QVector3D &vector)
Multiplies this matrix by another that translates coordinates by the components of vector...
Definition: qmatrix4x4.cpp:944
double d
Definition: qnumeric_p.h:62
void update()
Notifies that this transform operation has changed its parameters in such a way that applyTo() will r...
double qreal
Definition: qglobal.h:1193
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QDeclarativeTranslate(QObject *parent=0)
Constructs an empty QDeclarativeTranslate object with the given parent.
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
#define Q_D(Class)
Definition: qglobal.h:2482
void applyTo(QMatrix4x4 *matrix) const
This pure virtual method has to be reimplemented in derived classes.
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
#define emit
Definition: qobjectdefs.h:76
The QMatrix4x4 class represents a 4x4 transformation matrix in 3D space.
Definition: qmatrix4x4.h:63
QObject * parent
Definition: qobject.h:92
~QDeclarativeTranslate()
Destroys the graphics scale.
The QGraphicsTransform class is an abstract base class for building advanced transformations on QGrap...