feat: add fit-in-view action

This commit is contained in:
Gary Wang 2021-06-04 13:53:47 +08:00
parent 3e51cd5603
commit 635199b85b
6 changed files with 20 additions and 0 deletions

View File

@ -24,6 +24,7 @@ void ActionManager::setupAction(MainWindow *mainWindow)
CREATE_NEW_ACTION(mainWindow, actionZoomIn);
CREATE_NEW_ACTION(mainWindow, actionZoomOut);
CREATE_NEW_ACTION(mainWindow, actionHorizontalFlip);
CREATE_NEW_ACTION(mainWindow, actionFitInView);
CREATE_NEW_ACTION(mainWindow, actionFitByWidth);
CREATE_NEW_ACTION(mainWindow, actionCopyPixmap);
CREATE_NEW_ACTION(mainWindow, actionCopyFilePath);
@ -48,6 +49,7 @@ void ActionManager::retranslateUi(MainWindow *mainWindow)
actionZoomIn->setText(QCoreApplication::translate("MainWindow", "Zoom in", nullptr));
actionZoomOut->setText(QCoreApplication::translate("MainWindow", "Zoom out", nullptr));
actionHorizontalFlip->setText(QCoreApplication::translate("MainWindow", "Flip &Horizontally", nullptr));
actionFitInView->setText("Fit in view"); // TODO: what should it called?
actionFitByWidth->setText("Fit by width"); // TODO: what should it called?
actionCopyPixmap->setText(QCoreApplication::translate("MainWindow", "Copy P&ixmap", nullptr));
actionCopyFilePath->setText(QCoreApplication::translate("MainWindow", "Copy &File Path", nullptr));

View File

@ -19,6 +19,7 @@ public:
QAction *actionZoomIn;
QAction *actionZoomOut;
QAction *actionHorizontalFlip;
QAction *actionFitInView;
QAction *actionFitByWidth;
QAction *actionCopyPixmap;
QAction *actionCopyFilePath;

View File

@ -208,6 +208,12 @@ void GraphicsView::checkAndDoFitInView(bool markItOnAnyway)
}
}
// Automately do fit in view when viewport(window) smaller than image original size.
void GraphicsView::setEnableAutoFitInView(bool enable)
{
m_enableFitInView = enable;
}
inline double zeroOrOne(double number)
{
return qFuzzyIsNull(number) ? 0 : (number > 0 ? 1 : -1);

View File

@ -33,6 +33,7 @@ public:
void fitByOrientation(Qt::Orientation ori = Qt::Horizontal, bool scaleDownOnly = false);
void checkAndDoFitInView(bool markItOnAnyway = true);
void setEnableAutoFitInView(bool enable = true);
static QTransform resetScale(const QTransform & orig);

View File

@ -421,6 +421,7 @@ void MainWindow::contextMenuEvent(QContextMenuEvent *event)
menu->addSeparator();
menu->addAction(m_am->actionHorizontalFlip);
menu->addAction(m_am->actionFitInView);
menu->addAction(m_am->actionFitByWidth);
menu->addSeparator();
@ -562,6 +563,14 @@ void MainWindow::on_actionHorizontalFlip_triggered()
m_graphicsView->flipView();
}
void MainWindow::on_actionFitInView_triggered()
{
// TODO: maybe do it if window is smaller than original image size?
m_graphicsView->setEnableAutoFitInView(false);
m_graphicsView->fitInView(m_gv->sceneRect(), Qt::KeepAspectRatio);
}
void MainWindow::on_actionFitByWidth_triggered()
{
m_graphicsView->fitByOrientation();

View File

@ -66,6 +66,7 @@ private slots:
void on_actionZoomIn_triggered();
void on_actionZoomOut_triggered();
void on_actionHorizontalFlip_triggered();
void on_actionFitInView_triggered();
void on_actionFitByWidth_triggered();
void on_actionCopyPixmap_triggered();
void on_actionCopyFilePath_triggered();