chris/OSCAR-code
1
0
Fork 0
mirror of https://gitlab.com/pholy/OSCAR-code.git synced 2025-04-05 10:40:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

Limit minimum zoom level

Browse Source
This commit is contained in:
Mark Watkins 2011-08-29 10:10:46 +10:00
parent 0a4cd5380c
commit 2a4b2d6544
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Graphs/gGraphView.cpp
View File

@ -141,6 +141,7 @@ EventDataType LayerGroup::Maxy()
}
const double zoom_hard_limit=500.0;
gGraph::gGraph(gGraphView *graphview,QString title,int height,short group) :
m_graphview(graphview),
@ -489,6 +490,7 @@ void gGraph::mouseReleaseEvent(QMouseEvent * event)
if (event->modifiers() & Qt::ControlModifier) zoom/=1.5;
}
xx*=zoom;
if (xx<qq/zoom_hard_limit) xx=qq/zoom_hard_limit;
if (xx>qq) xx=qq;
}
double j1=xmult*x;
@ -576,7 +578,7 @@ void gGraph::ZoomX(double mult,int origin_px)
double q=span*mult;
if (q>hardspan) q=hardspan;
if (q<hardspan/400.0) q=hardspan/400.0;
if (q<hardspan/zoom_hard_limit) q=hardspan/zoom_hard_limit;
min=min+origin-(q*ww);
max=min+q;