/////////////////////////////////////////////////////////////////////////////
-// Name: dc.cpp
+// Name: src/motif/dc.cpp
// Purpose: wxDC class
// Author: Julian Smart
// Modified by:
// 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"
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
+#ifndef WX_PRECOMP
+ #include "wx/dcmemory.h"
#endif
-//-----------------------------------------------------------------------------
-// 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
+IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
//-----------------------------------------------------------------------------
// wxDC
wxDC::wxDC()
{
- m_ok = FALSE;
-
- m_mm_to_pix_x = 1.0;
- m_mm_to_pix_y = 1.0;
+ m_ok = false;
m_backgroundMode = wxTRANSPARENT;
- m_isInteractive = FALSE;
+ m_isInteractive = false;
}
-void wxDC::DoDrawIcon( const wxIcon &icon, long x, long y)
+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);
+ DoDrawBitmap(icon, x, y, true);
}
-void wxDC::DoDrawBitmap( const wxBitmap& bitmap, long x, long y, bool useMask )
+void wxDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
{
wxCHECK_RET( bitmap.Ok(), "invalid bitmap" );
wxMemoryDC memDC;
- memDC.SelectObject(bitmap);
+ memDC.SelectObjectAsSource(bitmap);
#if 0
// Not sure if we need this. The mask should leave the masked areas as per
memDC.SelectObject(wxNullBitmap);
}
-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_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 )
// 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( long x, long y )
-{
- m_logicalOriginX = x * m_signX; // is this still correct ?
- m_logicalOriginY = y * m_signY;
- ComputeScaleAndOrigin();
-}
-
-void wxDC::SetDeviceOrigin( long x, long y )
-{
- m_externalDeviceOriginX = x;
- m_externalDeviceOriginY = y;
- ComputeScaleAndOrigin();
-}
-
-void wxDC::SetInternalDeviceOrigin( long x, long y )
-{
- m_internalDeviceOriginX = x;
- m_internalDeviceOriginY = y;
- ComputeScaleAndOrigin();
-}
-
-void wxDC::GetInternalDeviceOrigin( long *x, long *y )
-{
- if (x) *x = m_internalDeviceOriginX;
- if (y) *y = m_internalDeviceOriginY;
-}
-
-void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
-{
- m_signX = xLeftRight ? 1 : -1;
- m_signY = yBottomUp ? -1 : 1;
- ComputeScaleAndOrigin();
-}
-
-long wxDCBase::DeviceToLogicalX(long x) const
-{
- return ((wxDC *)this)->XDEV2LOG(x);
-}
-
-long wxDCBase::DeviceToLogicalY(long y) const
-{
- return ((wxDC *)this)->YDEV2LOG(y);
-}
-
-long wxDCBase::DeviceToLogicalXRel(long x) const
-{
- return ((wxDC *)this)->XDEV2LOGREL(x);
-}
-
-long wxDCBase::DeviceToLogicalYRel(long y) const
-{
- return ((wxDC *)this)->YDEV2LOGREL(y);
-}
-
-long wxDCBase::LogicalToDeviceX(long x) const
-{
- return ((wxDC *)this)->XLOG2DEV(x);
-}
-
-long wxDCBase::LogicalToDeviceY(long y) const
-{
- return ((wxDC *)this)->YLOG2DEV(y);
-}
-
-long wxDCBase::LogicalToDeviceXRel(long x) const
-{
- return ((wxDC *)this)->XLOG2DEVREL(x);
-}
-
-long wxDCBase::LogicalToDeviceYRel(long y) const
-{
- return ((wxDC *)this)->YLOG2DEVREL(y);
-}
-
-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;
-
- m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
- m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
-
- // 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
- wxPen* pen = & GetPen();
- wxPen tempPen;
- m_pen = tempPen;
- SetPen(* pen);
- }
-}
-
projects / wxWidgets.git / blobdiff