check that the version of __sync_sub_and_fetch that returns a value is supported...

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

diff --git a/src/gtk/dc.cpp b/src/gtk/dc.cpp
index 46ea5626c490821d5fe286b97c78456ae55343c8..0b26d59db97fa65585c6075b7b5cf54f2569481d 100644 (file)
--- a/src/gtk/dc.cpp
+++ b/src/gtk/dc.cpp
@@ -3,57 +3,37 @@
 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
-// Copyright:   (c) 1998 Robert Roebling, Markus Holzem
+// Copyright:   (c) 1998 Robert Roebling
 // 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 <gdk/gdk.h>
-#include <gtk/gtk.h>
+#include "wx/gtk/private.h"
 
 //-----------------------------------------------------------------------------
-// constants
+// wxGTKDCImpl
 //-----------------------------------------------------------------------------
 
-#define mm2inches        0.0393700787402
-#define inches2mm        25.4
-#define mm2twips         56.6929133859
-#define twips2mm         0.0176388888889
-#define mm2pt            2.83464566929
-#define pt2mm            0.352777777778
-
-//-----------------------------------------------------------------------------
-// wxDC
-//-----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxGTKDCImpl, wxDCImpl)
 
-IMPLEMENT_ABSTRACT_CLASS(wxDC, wxDCBase)
-
-wxDC::wxDC()
+wxGTKDCImpl::wxGTKDCImpl( wxDC *owner ) 
+   : wxDCImpl( owner )
 {
     m_ok = FALSE;
 
-    m_mm_to_pix_x = (double)wxGetDisplaySize().GetWidth() /
-                    (double)wxGetDisplaySizeMM().GetWidth();
-    m_mm_to_pix_y = (double)wxGetDisplaySize().GetHeight() /
-                    (double)wxGetDisplaySizeMM().GetHeight();
-
-    m_needComputeScaleX = FALSE; /* not used yet */
-    m_needComputeScaleY = FALSE; /* not used yet */
-
-    m_logicalFunction = wxCOPY;
-
     m_pen = *wxBLACK_PEN;
     m_font = *wxNORMAL_FONT;
     m_brush = *wxWHITE_BRUSH;
 }
 
-void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+wxGTKDCImpl::~wxGTKDCImpl()
+{
+}
+
+void wxGTKDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 {
     m_clipping = TRUE;
     m_clipX1 = x;
@@ -62,153 +42,22 @@ void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord hei
     m_clipY2 = y + height;
 }
 
-void wxDC::DestroyClippingRegion()
-{
-    m_clipping = FALSE;
-}
-
 // ---------------------------------------------------------------------------
 // get DC capabilities
 // ---------------------------------------------------------------------------
 
-void wxDC::DoGetSizeMM( int* width, int* height ) const
+void wxGTKDCImpl::DoGetSizeMM( int* width, int* height ) const
 {
     int w = 0;
     int h = 0;
-    GetSize( &w, &h );
+    GetOwner()->GetSize( &w, &h );
     if (width) *width = int( double(w) / (m_userScaleX*m_mm_to_pix_x) );
     if (height) *height = int( double(h) / (m_userScaleY*m_mm_to_pix_y) );
 }
 
 // Resolution in pixels per logical inch
-wxSize wxDC::GetPPI() const
+wxSize wxGTKDCImpl::GetPPI() const
 {
     // TODO (should probably be pure virtual)
     return wxSize(0, 0);
 }
-
-// ---------------------------------------------------------------------------
-// set various DC parameters
-// ---------------------------------------------------------------------------
-
-void wxDC::ComputeScaleAndOrigin()
-{
-    m_scaleX = m_logicalScaleX * m_userScaleX;
-    m_scaleY = m_logicalScaleY * m_userScaleY;
-}
-
-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;
-    
-/*  we don't do this mega optimisation
-    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 )
-{
-    // 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);
-}
-