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viewersizer: use float for all calculations, center manual zoom

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This commit is contained in:
itsmattkc
2023-02-22 10:41:17 -08:00
parent e44a3d221d
commit 060c3b0883
3 changed files with 62 additions and 35 deletions
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app/widget/viewer/viewer.cpp
+5 -4
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@@ -1376,10 +1376,10 @@ void ViewerWidget::ShowContextMenu(const QPoint &pos)
Menu* zoom_menu = new Menu(tr("Zoom"), &menu);
menu.addMenu(zoom_menu);
zoom_menu->addAction(tr("Fit"))->setData(0);
zoom_menu->addAction(tr("Fit"))->setData(-1);
for (int i=0;i<ViewerSizer::kZoomLevelCount;i++) {
int z = ViewerSizer::kZoomLevels[i];
zoom_menu->addAction(tr("%1%").arg(z))->setData(z);
double z = ViewerSizer::kZoomLevels[i];
zoom_menu->addAction(tr("%1%").arg(z * 100.0))->setData(z);
}
connect(zoom_menu, &QMenu::triggered, this, &ViewerWidget::SetZoomFromMenu);
@@ -1822,7 +1822,8 @@ void ViewerWidget::UpdateRendererAudioParameters()
void ViewerWidget::SetZoomFromMenu(QAction *action)
{
sizer_->SetZoom(action->data().toInt());
auto s = sizer_->GetContainerSize();
sizer_->SetZoomAnchored(action->data().toDouble(), s.width()/2, s.height()/2);
}
void ViewerWidget::ViewerInvalidatedVideoRange(const TimeRange &range)