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minor-fix: scale images keeping aspect ration when previewing images in dialogs

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This commit is contained in:
Le Tan 2017-09-29 19:57:52 +08:00
parent 18ed9b761a
commit f9080db71c
2 changed files with 31 additions and 2 deletions
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23
src/dialog/vconfirmdeletiondialog.cpp
View File

@ -95,6 +95,22 @@ void VConfirmDeletionDialog::setupUI(const QString &p_title,
m_listWidget = new QListWidget();
connect(m_listWidget, &QListWidget::currentRowChanged,
this, &VConfirmDeletionDialog::currentFileChanged);
connect(m_listWidget, &QListWidget::itemActivated,
this, [this](QListWidgetItem *p_item) {
// Open it using resource manager.
if (!p_item) {
return;
}
ConfirmItemWidget *widget = getItemWidget(p_item);
Q_ASSERT(widget);
QString filePath = m_items[widget->getIndex()].m_path;
if (!filePath.isEmpty()) {
QUrl url = QUrl::fromLocalFile(filePath);
QDesktopServices::openUrl(url);
}
});
m_previewer = new QLabel();
@ -195,7 +211,12 @@ void VConfirmDeletionDialog::currentFileChanged(int p_row)
if (!image.isNull()) {
int width = 512 * VUtils::calculateScaleFactor();
QSize previewSize(width, width);
m_previewer->setPixmap(image.scaled(previewSize));
if (image.width() > width || image.height() > width) {
m_previewer->setPixmap(image.scaled(previewSize, Qt::KeepAspectRatio));
} else {
m_previewer->setPixmap(image);
}
succeed = true;
}
}

10
src/dialog/vinsertimagedialog.cpp
View File

@ -120,7 +120,15 @@ void VInsertImageDialog::setImage(const QImage &image)
} else {
*(this->image) = image;
}
imagePreviewLabel->setPixmap(QPixmap::fromImage(this->image->scaled(previewSize)));
QPixmap pixmap;
if (image.width() > width || image.height() > width) {
pixmap = QPixmap::fromImage(this->image->scaled(previewSize, Qt::KeepAspectRatio));
} else {
pixmap = QPixmap::fromImage(*(this->image));
}
imagePreviewLabel->setPixmap(pixmap);
imagePreviewLabel->setVisible(true);
enableOkButton();
}