int CPreviewDC::SetMapMode(int nMapMode)
{
ASSERT(m_hAttribDC != NULL);
int nModeOld = ::SetMapMode(m_hAttribDC, nMapMode);
MirrorMappingMode(TRUE);
return nModeOld;
}
int CPreviewDC::SetMapMode( int nMapMode )
/****************************************/
{
int nOldMapMode = ::SetMapMode( m_hAttribDC, nMapMode );
MirrorMappingMode( TRUE );
return( nOldMapMode );
}
CSize CPreviewDC::ScaleWindowExt( int xNum, int xDenom, int yNum, int yDenom )
/****************************************************************************/
{
CSize size;
::ScaleWindowExtEx( m_hAttribDC, xNum, xDenom, yNum, yDenom, &size );
MirrorMappingMode( TRUE );
return( size );
}
void CPreviewDC::SetScaleRatio( int nNumerator, int nDenominator )
/****************************************************************/
{
m_nScaleNum = nNumerator;
m_nScaleDen = nDenominator;
MirrorMappingMode( TRUE );
MirrorFont();
}
CSize CPreviewDC::SetWindowExt( int cx, int cy )
/**********************************************/
{
CSize size;
::SetWindowExtEx( m_hAttribDC, cx, cy, &size );
MirrorMappingMode( TRUE );
return( size );
}
CSize CPreviewDC::SetWindowExt(int x, int y)
{
ASSERT(m_hAttribDC != NULL);
CSize sizeExtOld;
VERIFY(::SetWindowExtEx(m_hAttribDC, x, y, &sizeExtOld));
MirrorMappingMode(TRUE);
return sizeExtOld;
}
void CPreviewDC::SetAttribDC(HDC hDC)
{
ASSERT(hDC != NULL);
CDC::SetAttribDC(hDC);
MirrorMappingMode(TRUE);
MirrorFont();
MirrorAttributes();
}
CSize CPreviewDC::ScaleWindowExt(int xNum, int xDenom, int yNum, int yDenom)
{
ASSERT(m_hAttribDC != NULL);
CSize sizeExtOld;
VERIFY(::ScaleWindowExtEx(m_hAttribDC, xNum, xDenom, yNum, yDenom,
&sizeExtOld));
MirrorMappingMode(TRUE);
return sizeExtOld;
}
void CPreviewDC::SetAttribDC( HDC hDC )
/*************************************/
{
CDC::SetAttribDC( hDC );
if( m_hDC != NULL ) {
MirrorAttributes();
MirrorFont();
MirrorMappingMode( TRUE );
}
}
void CPreviewDC::SetScaleRatio(int nNumerator, int nDenominator)
{
m_nScaleNum = nNumerator;
m_nScaleDen = nDenominator;
if (m_hAttribDC != NULL)
{
MirrorMappingMode(TRUE);
MirrorFont();
}
}
void CPreviewDC::SetOutputDC( HDC hDC )
/*************************************/
{
CDC::SetOutputDC( hDC );
m_nSaveDCIndex = ::SaveDC( m_hDC );
if( m_hAttribDC != NULL ) {
MirrorAttributes();
MirrorFont();
MirrorMappingMode( FALSE );
}
}
void CPreviewDC::ClipToPage()
/***************************/
{
POINT point;
point.x = ::GetDeviceCaps( m_hAttribDC, HORZRES );
point.y = ::GetDeviceCaps( m_hAttribDC, VERTRES );
PrinterDPtoScreenDP( &point );
::SetMapMode( m_hDC, MM_TEXT );
::SetViewportOrgEx( m_hDC, m_sizeTopLeft.cx, m_sizeTopLeft.cy, NULL );
::SetWindowOrgEx( m_hDC, 0, 0, NULL );
::IntersectClipRect( m_hDC, 1, 1, point.x - 2, point.y - 2 );
MirrorMappingMode( FALSE );
}
void CPreviewDC::SetOutputDC(HDC hDC)
{
ASSERT(hDC != NULL);
m_nSaveDCIndex = ::SaveDC(hDC); // restore in ReleaseOutputDC()
CDC::SetOutputDC(hDC);
if (m_hAttribDC != NULL)
{
MirrorMappingMode(FALSE);
if (m_hFont)
::SelectObject(m_hDC, m_hFont);
else
MirrorFont();
MirrorAttributes();
}
}
void CPreviewDC::ClipToPage()
{
ASSERT(m_hAttribDC != NULL);
ASSERT(m_hDC != NULL);
// Create a rect in Screen Device coordinates that is one pixel larger
// on all sides than the actual page. This is to hide the fact that
// the printer to screen mapping mode is approximate and may result
// in rounding error.
CPoint pt(::GetDeviceCaps(m_hAttribDC, HORZRES),
::GetDeviceCaps(m_hAttribDC, VERTRES));
PrinterDPtoScreenDP(&pt);
// Set the screen dc to MM_TEXT and no WindowOrg for the interesection
::SetMapMode(m_hDC, MM_TEXT);
::SetWindowOrgEx(m_hDC, 0, 0, NULL);
::SetViewportOrgEx(m_hDC, m_sizeTopLeft.cx, m_sizeTopLeft.cy, NULL);
::IntersectClipRect(m_hDC, -1, -1, pt.x + 2, pt.y + 2);
// Resynchronize the mapping mode
MirrorMappingMode(FALSE);
}
