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profile: read DPR from QML page

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This is needed on mobile, where some screens have a high DPR.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2023-05-20 14:46:58 +02:00
parent 75886dd4d6
commit 15ea0440ad
1 changed files with 8 additions and 3 deletions
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11
profile-widget/profileview.cpp
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@ -24,8 +24,7 @@ ProfileView::ProfileView(QQuickItem *parent) : ChartView(parent, ProfileZValue::
zoomLevel(0), zoomLevel(0),
zoomedPosition(0.0), zoomedPosition(0.0),
empty(true), empty(true),
shouldCalculateMax(true), shouldCalculateMax(true)
profileScene(std::make_unique<ProfileScene>(1.0, false, false))
{ {
setBackgroundColor(Qt::black); setBackgroundColor(Qt::black);
setFlag(ItemHasContents, true); setFlag(ItemHasContents, true);
@ -57,7 +56,8 @@ void ProfileView::clear()
{ {
//clearPictures(); //clearPictures();
//disconnectPlannerConnections(); //disconnectPlannerConnections();
profileScene->clear(); if (profileScene)
profileScene->clear();
//handles.clear(); //handles.clear();
//gases.clear(); //gases.clear();
empty = true; empty = true;
@ -74,6 +74,11 @@ void ProfileView::plotDive(const struct dive *dIn, int dcIn, int flags)
return; return;
} }
// We can't create the scene in the constructor, because we can't get the DPR property there. Oh joy!
if (!profileScene) {
double dpr = std::clamp(property("dpr").toReal(), 1.0, 100.0);
profileScene = std::make_unique<ProfileScene>(dpr, false, false);
}
// If there was no previously displayed dive, turn off animations // If there was no previously displayed dive, turn off animations
if (empty) if (empty)
flags |= RenderFlags::Instant; flags |= RenderFlags::Instant;