// 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"
-
-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
-
-#define mm2inches 0.0393700787402
-#define inches2mm 25.4
-#define mm2twips 56.6929133859
-#define twips2mm 0.0176388888889
-#define mm2pt 2.83464566929
-#define pt2mm 0.352777777778
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
//-----------------------------------------------------------------------------
// wxDC
{
m_ok = FALSE;
- m_mm_to_pix_x = 1.0;
- m_mm_to_pix_y = 1.0;
+ 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_pen = *wxBLACK_PEN;
m_font = *wxNORMAL_FONT;
- m_brush = *wxTRANSPARENT_BRUSH;
+ m_brush = *wxWHITE_BRUSH;
}
-void wxDC::DoSetClippingRegion( long x, long y, long width, long height )
+void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
m_clipping = TRUE;
m_clipX1 = x;
m_clipY2 = y + height;
}
-void wxDC::DestroyClippingRegion()
-{
- m_clipping = FALSE;
-}
-
// ---------------------------------------------------------------------------
// get DC capabilities
// ---------------------------------------------------------------------------
-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 = 0;
int h = 0;
GetSize( &w, &h );
- if (width) *width = int( double(w) / (m_scaleX*m_mm_to_pix_x) );
- if (height) *height = int( double(h) / (m_scaleY*m_mm_to_pix_y) );
+ 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
void wxDC::ComputeScaleAndOrigin()
{
- // CMB: copy scale to see if it changes
- double origScaleX = m_scaleX;
- double origScaleY = m_scaleY;
-
m_scaleX = m_logicalScaleX * m_userScaleX;
m_scaleY = m_logicalScaleY * m_userScaleY;
-
- // CMB: if scale has changed call SetPen to recalulate the line width
- if (m_scaleX != origScaleX || m_scaleY != origScaleY)
- {
- // this is a bit artificial, but we need to force wxDC to think
- // the pen has changed
- // It gives an Assert, Robert Roebling
-/*
- wxPen pen = m_pen;
- m_pen = wxNullPen;
- SetPen( pen );
-*/
- }
}
void wxDC::SetMapMode( int mode )
SetLogicalScale( 1.0, 1.0 );
break;
}
+ m_mappingMode = mode;
+
/* we don't do this mega optimisation
if (mode != wxMM_TEXT)
{
ComputeScaleAndOrigin();
}
-void wxDC::SetLogicalOrigin( long x, long y )
+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( long x, long y )
+void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
{
// only wxPostScripDC has m_signX = -1, we override SetDeviceOrigin there
m_deviceOriginX = x;
// coordinates transformations
// ---------------------------------------------------------------------------
-long wxDCBase::DeviceToLogicalX(long x) const
+wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
{
return ((wxDC *)this)->XDEV2LOG(x);
}
-long wxDCBase::DeviceToLogicalY(long y) const
+wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
{
return ((wxDC *)this)->YDEV2LOG(y);
}
-long wxDCBase::DeviceToLogicalXRel(long x) const
+wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
{
return ((wxDC *)this)->XDEV2LOGREL(x);
}
-long wxDCBase::DeviceToLogicalYRel(long y) const
+wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
{
return ((wxDC *)this)->YDEV2LOGREL(y);
}
-long wxDCBase::LogicalToDeviceX(long x) const
+wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
{
return ((wxDC *)this)->XLOG2DEV(x);
}
-long wxDCBase::LogicalToDeviceY(long y) const
+wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
{
return ((wxDC *)this)->YLOG2DEV(y);
}
-long wxDCBase::LogicalToDeviceXRel(long x) const
+wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
{
return ((wxDC *)this)->XLOG2DEVREL(x);
}
-long wxDCBase::LogicalToDeviceYRel(long y) const
+wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
{
return ((wxDC *)this)->YLOG2DEVREL(y);
}