speeding up rectangle drawing by using specific methods, needs 40% less time

[wxWidgets.git] / src / osx / carbon / renderer.cpp

diff --git a/src/osx/carbon/renderer.cpp b/src/osx/carbon/renderer.cpp
index 2481dd2242732914376dffed360ca956c7e1a736..26aa6d6bafd9a2ac4694a3f40dfd4e43142ac815 100644 (file)
--- a/src/osx/carbon/renderer.cpp
+++ b/src/osx/carbon/renderer.cpp
@@ -39,12 +39,17 @@
 #endif // wxHAS_DRAW_TITLE_BAR_BITMAP
 
 
-// check if we're currently in a paint event
-inline bool wxInPaintEvent(wxWindow* win, wxDC& dc)
+// check if we're having a CGContext we can draw into
+inline bool wxHasCGContext(wxWindow* win, wxDC& dc)
 {
-    return win->MacGetCGContextRef() != NULL ||
-           // wxMemoryDC's also have a valid CGContext.
-           dc.IsKindOf( CLASSINFO(wxMemoryDC) );
+    wxGCDCImpl* gcdc = wxDynamicCast( dc.GetImpl() , wxGCDCImpl);
+    
+    if ( gcdc )
+    {
+        if ( gcdc->GetGraphicsContext()->GetNativeContext() )
+            return true;
+    }
+    return false;
 }
 
 
@@ -62,6 +67,8 @@ public:
 
     virtual int GetHeaderButtonHeight(wxWindow *win);
 
+    virtual int GetHeaderButtonMargin(wxWindow *win);
+
     // draw the expanded/collapsed icon for a tree control item
     virtual void DrawTreeItemButton( wxWindow *win,
         wxDC& dc,
@@ -156,7 +163,7 @@ int wxRendererMac::DrawHeaderButton( wxWindow *win,
     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 
     HIRect headerRect = CGRectMake( x, y, w, h );
-    if ( !wxInPaintEvent(win, dc) )
+    if ( !wxHasCGContext(win, dc) )
     {
         win->Refresh( &rect );
     }
@@ -225,6 +232,12 @@ int wxRendererMac::GetHeaderButtonHeight(wxWindow* WXUNUSED(win))
     return -1;
 }
 
+int wxRendererMac::GetHeaderButtonMargin(wxWindow *WXUNUSED(win))
+{
+    wxFAIL_MSG( "GetHeaderButtonMargin() not implemented" );
+    return -1;
+}
+
 void wxRendererMac::DrawTreeItemButton( wxWindow *win,
     wxDC& dc,
     const wxRect& rect,
@@ -239,7 +252,7 @@ void wxRendererMac::DrawTreeItemButton( wxWindow *win,
     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 
     HIRect headerRect = CGRectMake( x, y, w, h );
-    if ( !wxInPaintEvent(win, dc) )
+    if ( !wxHasCGContext(win, dc) )
     {
         win->Refresh( &rect );
     }
@@ -285,7 +298,7 @@ void wxRendererMac::DrawSplitterSash( wxWindow *win,
     // under compositing we should only draw when called by the OS, otherwise just issue a redraw command
     // strange redraw errors occur if we don't do this
 
-    if ( !wxInPaintEvent(win, dc) )
+    if ( !wxHasCGContext(win, dc) )
     {
         wxRect rect( (int) splitterRect.origin.x, (int) splitterRect.origin.y, (int) splitterRect.size.width,
                      (int) splitterRect.size.height );
@@ -355,7 +368,7 @@ wxRendererMac::DrawMacThemeButton(wxWindow *win,
     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 
     HIRect headerRect = CGRectMake( x, y, w, h );
-    if ( !wxInPaintEvent(win, dc) )
+    if ( !wxHasCGContext(win, dc) )
     {
         win->Refresh( &rect );
     }
@@ -563,7 +576,7 @@ void wxRendererMac::DrawTextCtrl(wxWindow* win, wxDC& dc,
     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 
     HIRect hiRect = CGRectMake( x, y, w, h );
-    if ( !wxInPaintEvent(win, dc) )
+    if ( !wxHasCGContext(win, dc) )
     {
         win->Refresh( &rect );
     }