-
-// ---------------------------------------------------------------------------
-// set various DC parameters
-// ---------------------------------------------------------------------------
-
-wxCoord wxDC::DeviceToLogicalX(wxCoord x) const
-{
- return wxRound((x - m_deviceOriginX) / m_scaleX) * m_signX + m_logicalOriginX;
-}
-
-wxCoord wxDC::DeviceToLogicalY(wxCoord y) const
-{
- return wxRound((y - m_deviceOriginY) / m_scaleY) * m_signY + m_logicalOriginY;
-}
-
-wxCoord wxDC::DeviceToLogicalXRel(wxCoord x) const
-{
- return wxRound(x / m_scaleX);
-}
-
-wxCoord wxDC::DeviceToLogicalYRel(wxCoord y) const
-{
- return wxRound(y / m_scaleY);
-}
-
-wxCoord wxDC::LogicalToDeviceX(wxCoord x) const
-{
- return wxRound((x - m_logicalOriginX) * m_scaleX) * m_signX + m_deviceOriginX;
-}
-
-wxCoord wxDC::LogicalToDeviceY(wxCoord y) const
-{
- return wxRound((y - m_logicalOriginY) * m_scaleY) * m_signY + m_deviceOriginY;
-}
-
-wxCoord wxDC::LogicalToDeviceXRel(wxCoord x) const
-{
- return wxRound(x * m_scaleX);
-}
-
-wxCoord wxDC::LogicalToDeviceYRel(wxCoord y) const
-{
- return wxRound(y * m_scaleY);
-}
-
-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();
-}