X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a4bbc9f720cbd99d7092e8944e671a6291068b13..8f974c520a8733158591891458fda10fae4c3950:/src/mgl/dc.cpp?ds=sidebyside

diff --git a/src/mgl/dc.cpp b/src/mgl/dc.cpp
index bc91b0e75e..4b556de6b7 100644
--- a/src/mgl/dc.cpp
+++ b/src/mgl/dc.cpp
@@ -172,6 +172,7 @@ wxDC::wxDC()
     m_downloadedPatterns[0] = m_downloadedPatterns[1] = FALSE;
     
     m_mglFont = NULL;
+    m_globalClippingRegion = NULL;
 }
 
 
@@ -179,6 +180,7 @@ wxDC::~wxDC()
 {
     if (m_OwnsMGLDC) 
         delete m_MGLDC;
+    delete m_globalClippingRegion;
 }
 
 void wxDC::SetMGLDC(MGLDevCtx *mgldc, bool OwnsMGLDC)
@@ -188,6 +190,15 @@ void wxDC::SetMGLDC(MGLDevCtx *mgldc, bool OwnsMGLDC)
     m_MGLDC = mgldc;
     m_OwnsMGLDC = OwnsMGLDC;
 	m_ok = TRUE;
+    
+    if ( mgldc->getDC()->a.clipRegion )
+    {
+        m_globalClippingRegion = new MGLRegion;
+        mgldc->getClipRegion(*m_globalClippingRegion);
+    }
+    else
+        m_globalClippingRegion = NULL;
+    
     InitializeMGLDC();
 }
 
@@ -226,7 +237,13 @@ void wxDC::DoSetClippingRegion(wxCoord cx, wxCoord cy, wxCoord cw, wxCoord ch)
     else
         m_currentClippingRegion.Union(rect);
 
-    m_MGLDC->setClipRegion(m_currentClippingRegion.GetMGLRegion());
+    if ( m_globalClippingRegion )
+    {
+        m_MGLDC->setClipRegion(m_currentClippingRegion.GetMGLRegion()
+                               & *m_globalClippingRegion);
+    }
+    else
+        m_MGLDC->setClipRegion(m_currentClippingRegion.GetMGLRegion());
 
     m_clipping = TRUE;
     DO_SET_CLIPPING_BOX(m_currentClippingRegion)
@@ -265,7 +282,13 @@ void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
     else
         m_currentClippingRegion.Union(rg);
 
-    m_MGLDC->setClipRegion(m_currentClippingRegion.GetMGLRegion());
+    if ( m_globalClippingRegion )
+    {
+        m_MGLDC->setClipRegion(m_currentClippingRegion.GetMGLRegion()
+                               & *m_globalClippingRegion);
+    }
+    else
+        m_MGLDC->setClipRegion(m_currentClippingRegion.GetMGLRegion());
 
     m_clipping = TRUE;
     DO_SET_CLIPPING_BOX(m_currentClippingRegion)
@@ -275,7 +298,10 @@ void wxDC::DestroyClippingRegion()
 {
     wxCHECK_RET( Ok(), wxT("invalid dc") );
     
-    m_MGLDC->setClipRect(MGLRect(0, 0, m_MGLDC->sizex(), m_MGLDC->sizey()));
+    if ( m_globalClippingRegion )
+        m_MGLDC->setClipRegion(*m_globalClippingRegion);
+    else
+        m_MGLDC->setClipRect(MGLRect(0, 0, m_MGLDC->sizex(), m_MGLDC->sizey()));
     m_clipping = FALSE;
     m_currentClippingRegion.Clear();    
 }
@@ -308,9 +334,7 @@ void wxDC::Clear()
     wxCHECK_RET( Ok(), wxT("invalid dc") );
 
     m_MGLDC->makeCurrent(); // will go away with MGL6.0
-    m_MGLDC->clearDevice();
-    if ( m_backgroundBrush.GetStyle() != wxSOLID && 
-         m_backgroundBrush.GetStyle() != wxTRANSPARENT )
+    if ( m_backgroundBrush.GetStyle() != wxTRANSPARENT )
     {
         int w, h;
         wxBrush oldb = m_brush;
@@ -691,7 +715,6 @@ void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,d
 
 void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
 {
-    if ( m_pen.GetStyle() == wxTRANSPARENT ) return;
     m_MGLDC->makeCurrent(); // will go away with MGL6.0
     DrawAnyText(text, x, y);
 
@@ -785,7 +808,6 @@ void wxDC::DoDrawRotatedText(const wxString& text,
                              wxCoord x, wxCoord y,
                              double angle)
 {
-    if ( m_pen.GetStyle() == wxTRANSPARENT ) return;
     m_MGLDC->makeCurrent(); // will go away with MGL6.0
     
     if ( angle == 0 )