Mercurial > hg > svgui

diff view/View.h @ 1357:93eaff6f206d

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Rework cacheing logic to reduce the number of reallocations and be more correct about the repaint areas. I don't expect the difference to be really noticeable but in theory performance should be a little better...
author Chris Cannam
date Thu, 11 Oct 2018 14:59:34 +0100
parents 40b9a495a0e0
children 694004228ab7
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--- a/view/View.h	Thu Oct 11 10:15:45 2018 +0100
+++ b/view/View.h	Thu Oct 11 14:59:34 2018 +0100
@@ -440,6 +440,7 @@
     virtual void paintEvent(QPaintEvent *e);
     virtual void drawSelections(QPainter &);
     virtual bool shouldLabelSelections() const { return true; }
+    virtual void drawPlayPointer(QPainter &);
     virtual bool render(QPainter &paint, int x0, sv_frame_t f0, sv_frame_t f1);
     virtual void setPaintFont(QPainter &paint);
 
@@ -499,6 +500,7 @@
 
     QPixmap            *m_cache;  // I own this
     QPixmap            *m_buffer; // I own this
+    bool                m_cacheValid;
     sv_frame_t          m_cacheCentreFrame;
     ZoomLevel           m_cacheZoomLevel;
     bool                m_selectionCached;