42 #ifndef QVOLATILEIMAGE_P_H 43 #define QVOLATILEIMAGE_P_H 56 #include <QtGui/qimage.h> 57 #include <QtCore/qshareddata.h> 74 bool paintingActive()
const;
79 int bytesPerLine()
const;
80 int byteCount()
const;
82 bool hasAlphaChannel()
const;
83 void beginDataAccess()
const;
84 void endDataAccess(
bool readOnly =
false)
const;
86 const uchar *constBits()
const;
90 const QImage &constImageRef()
const;
92 void setAlphaChannel(
const QPixmap &alphaChannel);
93 void fill(
uint pixelValue);
94 void *duplicateNativeImage()
const;
103 #endif // QVOLATILEIMAGE_P_H Format
The following image formats are available in Qt.
#define QT_END_NAMESPACE
This macro expands to.
#define QT_BEGIN_NAMESPACE
This macro expands to.
The QImage class provides a hardware-independent image representation that allows direct access to th...
QSharedDataPointer< QVolatileImageData > d
The QPaintEngine class provides an abstract definition of how QPainter draws to a given device on a g...
The QRect class defines a rectangle in the plane using integer precision.
The QPixmap class is an off-screen image representation that can be used as a paint device...
static bool isNull(const QVariant::Private *d)