vista tree crash fix

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

diff --git a/src/mgl/dc.cpp b/src/mgl/dc.cpp
index 312969a018b31029ebe15515035feb41d2b45595..06ab0b335dd0d634960c1d9c054254987fbea740 100644 (file)
--- a/src/mgl/dc.cpp
+++ b/src/mgl/dc.cpp
@@ -1091,15 +1091,16 @@ void wxDC::SetPalette(const wxPalette& palette)
 {
     wxCHECK_RET( Ok(), wxT("invalid dc") );
 
-    if ( palette == wxNullPalette )
+    if ( !palette.Ok() )
     {
         if ( m_oldPalette.Ok() )
             SetPalette(m_oldPalette);
         return;
     }
 
-    if ( !palette.Ok() ) return;
-    if ( m_palette == palette ) return;
+    if ( palette.IsSameAs(m_palette) )
+        return;
+
     m_oldPalette = m_palette;
     m_palette = palette;
 
@@ -1220,7 +1221,7 @@ wxCoord wxDC::GetCharWidth() const
 
 void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
                            wxCoord *descent, wxCoord *externalLeading,
-                           wxFont *theFont) const
+                           const wxFont *theFont) const
 {
     wxFont oldFont;
 
@@ -1236,7 +1237,7 @@ void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
     if ( x )
         // VS: YDEV is corrent, it should *not* be XDEV, because font's are
         //     only scaled according to m_scaleY
-        *x = YDEV2LOGREL(m_MGLDC->textWidth(string.c_str()));
+        *x = YDEV2LOGREL(m_MGLDC->textWidth(string.wc_str()));
     if ( y )
         *y = YDEV2LOGREL(m_MGLDC->textHeight());
     if ( descent )
@@ -1249,7 +1250,6 @@ void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 }
 
 
-
 // ---------------------------------------------------------------------------
 // mapping modes
 // ---------------------------------------------------------------------------
@@ -1269,114 +1269,6 @@ void wxDC::ComputeScaleAndOrigin()
     m_scaleX = newX, m_scaleY = newY;
 }
 
-void wxDC::SetMapMode(int mode)
-{
-    switch (mode)
-    {
-        case wxMM_TWIPS:
-          SetLogicalScale(twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y);
-          break;
-        case wxMM_POINTS:
-          SetLogicalScale(pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y);
-          break;
-        case wxMM_METRIC:
-          SetLogicalScale(m_mm_to_pix_x, m_mm_to_pix_y);
-          break;
-        case wxMM_LOMETRIC:
-          SetLogicalScale(m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0);
-          break;
-        default:
-        case wxMM_TEXT:
-          SetLogicalScale(1.0, 1.0);
-          break;
-    }
-    m_mappingMode = mode;
-}
-
-void wxDC::SetUserScale( double x, double y )
-{
-    // allow negative ? -> no
-    m_userScaleX = x;
-    m_userScaleY = y;
-    ComputeScaleAndOrigin();
-}
-
-void wxDC::SetLogicalScale( double x, double y )
-{
-    // allow negative ?
-    m_logicalScaleX = x;
-    m_logicalScaleY = y;
-    ComputeScaleAndOrigin();
-}
-
-void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
-{
-    m_logicalOriginX = x * m_signX;   // is this still correct ?
-    m_logicalOriginY = y * m_signY;
-    ComputeScaleAndOrigin();
-}
-
-void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
-{
-    // only wxPostScripDC has m_signX = -1, we override SetDeviceOrigin there
-    m_deviceOriginX = x;
-    m_deviceOriginY = y;
-    ComputeScaleAndOrigin();
-}
-
-void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
-{
-    // only wxPostScripDC has m_signX = -1, we override SetAxisOrientation there
-    m_signX = (xLeftRight ?  1 : -1);
-    m_signY = (yBottomUp  ? -1 :  1);
-    ComputeScaleAndOrigin();
-}
-
-// ---------------------------------------------------------------------------
-// coordinates transformations
-// ---------------------------------------------------------------------------
-
-wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
-{
-    return ((wxDC *)this)->XDEV2LOG(x);
-}
-
-wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
-{
-    return ((wxDC *)this)->YDEV2LOG(y);
-}
-
-wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
-{
-    return ((wxDC *)this)->XDEV2LOGREL(x);
-}
-
-wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
-{
-    return ((wxDC *)this)->YDEV2LOGREL(y);
-}
-
-wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
-{
-    return ((wxDC *)this)->XLOG2DEV(x);
-}
-
-wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
-{
-    return ((wxDC *)this)->YLOG2DEV(y);
-}
-
-wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
-{
-    return ((wxDC *)this)->XLOG2DEVREL(x);
-}
-
-wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
-{
-    return ((wxDC *)this)->YLOG2DEVREL(y);
-}
-
-
 void wxDC::DoGetSize(int *w, int *h) const
 {
     if (w) *w = m_MGLDC->sizex()+1;
@@ -1547,7 +1439,7 @@ void wxDC::DoDrawSubBitmap(const wxBitmap &bmp,
         // This sequence of operations ensures that the source's transparent
         // area need not be black, and logical functions are supported.
 
-        wxBitmap *mask = bmp.GetMask()->GetBitmap();
+        wxBitmap mask = bmp.GetMask()->GetBitmap();
 
         MGLMemoryDC *temp;
 
@@ -1572,10 +1464,10 @@ void wxDC::DoDrawSubBitmap(const wxBitmap &bmp,
         DoBitBlt(bmp, temp, x, y, w, h, 0, 0, dw, dh, mglRop,
                  useStretching, putSection);
 
-        mask->SetMonoPalette(wxColour(0,0,0), wxColour(255,255,255));
-        DoBitBlt(*mask, temp, x, y, w, h, 0, 0, dw, dh, MGL_R2_MASKSRC,
+        mask.SetMonoPalette(wxColour(0,0,0), wxColour(255,255,255));
+        DoBitBlt(mask, temp, x, y, w, h, 0, 0, dw, dh, MGL_R2_MASKSRC,
                  useStretching, putSection);
-        DoBitBlt(*mask, m_MGLDC, x, y, w, h, dx, dy, dw, dh, MGL_R2_MASKNOTSRC,
+        DoBitBlt(mask, m_MGLDC, x, y, w, h, dx, dy, dw, dh, MGL_R2_MASKNOTSRC,
                  useStretching, putSection);
 
         m_MGLDC->bitBlt(*temp, 0, 0, dw, dh, dx, dy, MGL_OR_MODE);