diff options
Diffstat (limited to 'src/gui/image/qpixmap.cpp')
| -rw-r--r-- | src/gui/image/qpixmap.cpp | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp index 5626485..e51d858 100644 --- a/src/gui/image/qpixmap.cpp +++ b/src/gui/image/qpixmap.cpp @@ -1379,10 +1379,27 @@ void QPixmap::deref() */ /*! - \fn bool QPixmap::convertFromImage(const QImage &image, Qt::ImageConversionFlags flags) + Replaces this pixmap's data with the given \a image using the + specified \a flags to control the conversion. The \a flags + argument is a bitwise-OR of the \l{Qt::ImageConversionFlags}. + Passing 0 for \a flags sets all the default options. Returns true + if the result is that this pixmap is not null. - Use the static fromImage() function instead. + Note: this function was part of Qt 3 support in Qt 4.6 and earlier. + It has been promoted to official API status in 4.7 to support updating + the pixmap's image without creating a new QPixmap as fromImage() would. + + \sa fromImage() + \since 4.7 */ +bool QPixmap::convertFromImage(const QImage &image, Qt::ImageConversionFlags flags) +{ + if (image.isNull() || !data) + *this = QPixmap::fromImage(image, flags); + else + data->fromImage(image, flags); + return !isNull(); +} /*! \fn QPixmap QPixmap::xForm(const QMatrix &matrix) const |