-
-// ---------------------------------------------------------------------------
-// set various DC parameters
-// ---------------------------------------------------------------------------
-
-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 )
-{
- 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;
- }
-/* 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( 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 )
-{
- // 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
-// ---------------------------------------------------------------------------
-
-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);
-}
-