Qt 4.8
qblittable.cpp
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41 
42 #include "qblittable_p.h"
43 
44 #ifndef QT_NO_BLITTABLE
46 
48 {
49 public:
50  QBlittablePrivate(const QSize &size, QBlittable::Capabilities caps)
51  : caps(caps), m_size(size), locked(false), cachedImg(0)
52  {}
53  QBlittable::Capabilities caps;
55  bool locked;
57 };
58 
59 
60 QBlittable::QBlittable(const QSize &size, Capabilities caps)
61  : d_ptr(new QBlittablePrivate(size,caps))
62 {
63 }
64 
66 {
67  delete d_ptr;
68 }
69 
70 
71 QBlittable::Capabilities QBlittable::capabilities() const
72 {
73  Q_D(const QBlittable);
74  return d->caps;
75 }
76 
78 {
79  Q_D(const QBlittable);
80  return d->m_size;
81 }
82 
84 {
85  Q_D(const QBlittable);
86  return d->locked;
87 }
88 
90 {
91  Q_D(QBlittable);
92  if (!d->locked) {
93  d->cachedImg = doLock();
94  d->locked = true;
95  }
96 
97  return d->cachedImg;
98 }
99 
101 {
102  Q_D(QBlittable);
103  if (d->locked) {
104  doUnlock();
105  d->locked = false;
106  }
107 }
108 
110 #endif //QT_NO_BLITTABLE
111 
double d
Definition: qnumeric_p.h:62
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QBlittable(const QSize &size, Capabilities caps)
Definition: qblittable.cpp:60
QImage * cachedImg
Definition: qblittable.cpp:56
QImage * lock()
Definition: qblittable.cpp:89
QBlittablePrivate(const QSize &size, QBlittable::Capabilities caps)
Definition: qblittable.cpp:50
#define Q_D(Class)
Definition: qglobal.h:2482
virtual void doUnlock()=0
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
QBlittablePrivate * d_ptr
Definition: qblittable_p.h:105
virtual ~QBlittable()
Definition: qblittable.cpp:65
The QImage class provides a hardware-independent image representation that allows direct access to th...
Definition: qimage.h:87
Capabilities capabilities() const
Definition: qblittable.cpp:71
void unlock()
Definition: qblittable.cpp:100
QSize size() const
Definition: qblittable.cpp:77
virtual QImage * doLock()=0
The QSize class defines the size of a two-dimensional object using integer point precision.
Definition: qsize.h:53
QBlittable::Capabilities caps
Definition: qblittable.cpp:53
bool isLocked() const
Definition: qblittable.cpp:83