Replaced /'s with \'s as BCC requires \'s for path names

[wxWidgets.git] / src / mgl / dc.cpp

diff --git a/src/mgl/dc.cpp b/src/mgl/dc.cpp
index ecaa40dc6a74326f5869776559dc3f57b57ef357..4b556de6b735d32484e8b4c2146b91c9122a29ee 100644 (file)
--- 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);
 
@@ -765,7 +788,7 @@ void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
     if ( m_font.GetUnderlined() )
     {
         int x1 = xx, y1 = yy;
-        int x2, y2;
+        int x2 = 0 , y2 = 0;
         int w = m_MGLDC->textWidth(c_text);
         m_MGLDC->underScoreLocation(x1, y1, c_text);
         switch (m_MGLDC->getTextDirection())
@@ -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 )
@@ -1387,7 +1409,8 @@ wxSize wxDC::GetPPI() const
 bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
                   wxCoord width, wxCoord height,
                   wxDC *source, wxCoord xsrc, wxCoord ysrc,
-                  int rop, bool useMask)
+                  int rop, bool useMask,
+                  wxCoord xsrcMask, wxCoord ysrcMask)
 {
     wxCHECK_MSG( Ok(), FALSE, wxT("invalid dc") );
     wxCHECK_MSG( source, FALSE, wxT("invalid source dc") );
@@ -1396,6 +1419,17 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
     xsrc = source->LogicalToDeviceX(xsrc);
     ysrc = source->LogicalToDeviceY(ysrc);
 
+    /* FIXME_MGL: use the mask origin when drawing transparently */
+    if (xsrcMask == -1 && ysrcMask == -1)
+    {
+        xsrcMask = xsrc; ysrcMask = ysrc;
+    }
+    else
+    {
+        xsrcMask = source->LogicalToDeviceX(xsrcMask);
+        ysrcMask = source->LogicalToDeviceY(ysrcMask);
+    }
+
     CalcBoundingBox(xdest, ydest);
     CalcBoundingBox(xdest + width, ydest + height);