wxXmlNode::GetAttribute's pointer argument must not be NULL, check for it

[wxWidgets.git] / src / x11 / dc.cpp

diff --git a/src/x11/dc.cpp b/src/x11/dc.cpp
index cc5c5359a40be7d4cef5683d2b29c5bc72abf11f..1433d94f4a5cb10008c225e5ad453dc9b720a060 100644 (file)
--- a/src/x11/dc.cpp
+++ b/src/x11/dc.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dc.cpp
+// Name:        src/x11/dc.cpp
 // Purpose:     wxDC class
 // Author:      Julian Smart
 // Modified by:
@@ -9,26 +9,16 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-    #pragma implementation "dc.h"
-#endif
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/dc.h"
-#include "wx/dcmemory.h"
-#include "wx/defs.h"
-
-    IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
 
-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
+#ifndef WX_PRECOMP
+    #include "wx/dcmemory.h"
+#endif
 
-#define mm2inches        0.0393700787402
-#define inches2mm        25.4
-#define mm2twips         56.6929133859
-#define twips2mm         0.0176388888889
-#define mm2pt            2.83464566929
-#define pt2mm            0.352777777778
+IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
 
 //-----------------------------------------------------------------------------
 // wxDC
@@ -36,70 +26,24 @@
 
 wxDC::wxDC()
 {
-    m_ok = FALSE;
+    m_ok = false;
 
-    m_mm_to_pix_x = 1.0;
-    m_mm_to_pix_y = 1.0;
+    m_pen = *wxBLACK_PEN;
+    m_font = *wxNORMAL_FONT;
+    m_brush = *wxWHITE_BRUSH;
 
     m_backgroundMode = wxTRANSPARENT;
-
-    m_isInteractive = FALSE;
-}
-
-void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y)
-{
-    wxCHECK_RET( Ok(), "invalid dc" );
-    wxCHECK_RET( icon.Ok(), "invalid icon" );
-
-    DoDrawBitmap(icon, x, y, TRUE);
-}
-
-void wxDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
-{
-    wxCHECK_RET( bitmap.Ok(), "invalid bitmap" );
-
-    wxMemoryDC memDC;
-    memDC.SelectObject(bitmap);
-
-#if 0
-    // Not sure if we need this. The mask should leave the masked areas as per
-    // the original background of this DC.
-    if (useMask)
-    {
-        // There might be transparent areas, so make these the same colour as this
-        // DC
-        memDC.SetBackground(* GetBackground());
-        memDC.Clear();
-    }
-#endif // 0
-
-    Blit(x, y, bitmap.GetWidth(), bitmap.GetHeight(), &memDC, 0, 0, wxCOPY, useMask);
-
-    memDC.SelectObject(wxNullBitmap);
 }
 
 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 {
-    m_clipping = TRUE;
+    m_clipping = true;
     m_clipX1 = x;
     m_clipY1 = y;
     m_clipX2 = x + width;
     m_clipY2 = y + height;
 }
 
-void wxDC::DestroyClippingRegion()
-{
-    m_clipping = FALSE;
-}
-
-void wxDC::DoGetSize( int* width, int* height ) const
-{
-    if ( width )
-        *width = m_maxX - m_minX;
-    if ( height )
-        *height = m_maxY - m_minY;
-}
-
 void wxDC::DoGetSizeMM( int* width, int* height ) const
 {
     int w, h;
@@ -117,116 +61,3 @@ wxSize wxDC::GetPPI() const
     // TODO (should probably be pure virtual)
     return wxSize(0, 0);
 }
-
-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;
-    }
-    if (mode != wxMM_TEXT)
-    {
-        m_needComputeScaleX = TRUE;
-        m_needComputeScaleY = TRUE;
-    }
-}
-
-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 )
-{
-    m_signX = xLeftRight ?  1 : -1;
-    m_signY = yBottomUp  ? -1 :  1;
-    ComputeScaleAndOrigin();
-}
-
-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::ComputeScaleAndOrigin()
-{
-    m_scaleX = m_logicalScaleX * m_userScaleX;
-    m_scaleY = m_logicalScaleY * m_userScaleY;
-}
-