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Bugfixing: Output preview dialog crash and scrollbar update

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This commit is contained in:
Jakub Melka 2021-03-14 16:46:57 +01:00
parent 9dcdf10d1a
commit c633b1b4b8
1 changed files with 13 additions and 9 deletions
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22
Pdf4QtViewerPlugins/OutputPreviewPlugin/outputpreviewdialog.cpp
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@ -50,6 +50,7 @@ OutputPreviewDialog::OutputPreviewDialog(const pdf::PDFDocument* document, pdf::
connect(ui->redPaperColorEdit, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &OutputPreviewDialog::onPaperColorChanged);
connect(ui->greenPaperColorEdit, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &OutputPreviewDialog::onPaperColorChanged);
connect(ui->bluePaperColorEdit, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &OutputPreviewDialog::onPaperColorChanged);
connect(ui->pageIndexScrollBar, &QScrollBar::valueChanged, this, &OutputPreviewDialog::updatePageImage);
connect(ui->inksTreeWidget->model(), &QAbstractItemModel::dataChanged, this, &OutputPreviewDialog::onInksChanged);
updatePageImage();
@ -295,16 +296,19 @@ void OutputPreviewDialog::onPageImageRendered()
{
QApplication::restoreOverrideCursor();
RenderedImage result = m_future.result();
m_future = QFuture<RenderedImage>();
m_futureWatcher->deleteLater();
m_futureWatcher = nullptr;
ui->imageLabel->setPixmap(QPixmap::fromImage(result.image));
if (m_needUpdateImage)
if (m_future.isFinished())
{
updatePageImage();
RenderedImage result = m_future.result();
m_future = QFuture<RenderedImage>();
m_futureWatcher->deleteLater();
m_futureWatcher = nullptr;
ui->imageLabel->setPixmap(QPixmap::fromImage(result.image));
if (m_needUpdateImage)
{
updatePageImage();
}
}
}