diff options
Diffstat (limited to 'src/gui/image/qpixmap.cpp')
| -rw-r--r-- | src/gui/image/qpixmap.cpp | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp index 7b225eb..474cd2e 100644 --- a/src/gui/image/qpixmap.cpp +++ b/src/gui/image/qpixmap.cpp @@ -1071,6 +1071,9 @@ QPixmap QPixmap::grabWidget(QWidget * widget, const QRect &rect) if (widget->testAttribute(Qt::WA_PendingResizeEvent) || !widget->testAttribute(Qt::WA_WState_Created)) sendResizeEvents(widget); + widget->d_func()->prepareToRender(QRegion(), + QWidget::DrawWindowBackground | QWidget::DrawChildren | QWidget::IgnoreMask); + QRect r(rect); if (r.width() < 0) r.setWidth(widget->width() - rect.x()); @@ -1081,8 +1084,8 @@ QPixmap QPixmap::grabWidget(QWidget * widget, const QRect &rect) return QPixmap(); QPixmap res(r.size()); - widget->render(&res, QPoint(), r, - QWidget::DrawWindowBackground | QWidget::DrawChildren | QWidget::IgnoreMask); + widget->d_func()->render(&res, QPoint(), r, QWidget::DrawWindowBackground + | QWidget::DrawChildren | QWidget::IgnoreMask, true); return res; } @@ -1363,10 +1366,27 @@ 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 |