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Ownerdrawn stuff. Text display done, image display next.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9572 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Webster
2001-03-22 23:23:19 +00:00
parent 9c0b55475a
commit 5afb945835
6 changed files with 392 additions and 69 deletions
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183
src/os2/dc.cpp
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@@ -1326,19 +1326,178 @@ wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
// bit blit
// ---------------------------------------------------------------------------
bool wxDC::DoBlit( wxCoord xdest
,wxCoord ydest
,wxCoord width
,wxCoord height
,wxDC *source
,wxCoord xsrc
,wxCoord ysrc
,int rop
,bool useMask
)
bool wxDC::DoBlit(
wxCoord vXdest
, wxCoord vYdest
, wxCoord vWidth
, wxCoord vHeight
, wxDC* pSource
, wxCoord vXsrc
, wxCoord vYsrc
, int nRop
, bool bUseMask
)
{
// TODO
return(TRUE);
wxMask* pMask = NULL;
CHARBUNDLE vCbnd;
COLORREF vOldTextColor;
COLORREF vOldBackground = ::GpiQueryBackColor(m_hPS);
POINTL aPoint[4] = { vXdest, vYdest
,vXdest + vWidth, vYdest + vHeight
,vXsrc, vYsrc
,vXsrc + vWidth, vYsrc + vHeight
};
if (bUseMask)
{
const wxBitmap& rBmp = pSource->m_vSelectedBitmap;
pMask = rBmp.GetMask();
if (!(rBmp.Ok() && pMask && pMask->GetMaskBitmap()))
{
bUseMask = FALSE;
}
}
::GpiQueryAttrs( m_hPS
,PRIM_CHAR
,CBB_COLOR
,&vCbnd
);
vOldTextColor = (COLORREF)vCbnd.lColor;
if (m_textForegroundColour.Ok())
{
vCbnd.lColor = (LONG)m_textForegroundColour.GetPixel();
::GpiSetAttrs( m_hPS // presentation-space handle
,PRIM_CHAR // Char primitive.
,CBB_COLOR // sets color.
,0
,&vCbnd // buffer for attributes.
);
}
if (m_textBackgroundColour.Ok())
{
::GpiSetBackColor(m_hPS, (LONG)m_textBackgroundColour.GetPixel());
}
LONG lRop = ROP_SRCCOPY;
switch (nRop)
{
case wxXOR: lRop = ROP_SRCINVERT; break;
case wxINVERT: lRop = ROP_DSTINVERT; break;
case wxOR_REVERSE: lRop = 0x00DD0228; break;
case wxAND_REVERSE: lRop = ROP_SRCERASE; break;
case wxCLEAR: lRop = ROP_ZERO; break;
case wxSET: lRop = ROP_ONE; break;
case wxOR_INVERT: lRop = ROP_MERGEPAINT; break;
case wxAND: lRop = ROP_SRCAND; break;
case wxOR: lRop = ROP_SRCPAINT; break;
case wxEQUIV: lRop = 0x00990066; break;
case wxNAND: lRop = 0x007700E6; break;
case wxAND_INVERT: lRop = 0x00220326; break;
case wxCOPY: lRop = ROP_SRCCOPY; break;
case wxNO_OP: lRop = ROP_NOTSRCERASE; break;
case wxSRC_INVERT: lRop = ROP_SRCINVERT; break;
case wxNOR: lRop = ROP_NOTSRCCOPY; break;
default:
wxFAIL_MSG( wxT("unsupported logical function") );
return FALSE;
}
bool bSuccess;
#if 0
if (bUseMask)
{
//
// Blit bitmap with mask
//
//
// Create a temp buffer bitmap and DCs to access it and the mask
//
HDC dc_mask = ::CreateCompatibleDC(GetHdcOf(*source));
HDC dc_buffer = ::CreateCompatibleDC(GetHdc());
HBITMAP buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), width, height);
::SelectObject(dc_mask, (HBITMAP) mask->GetMaskBitmap());
::SelectObject(dc_buffer, buffer_bmap);
// copy dest to buffer
if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
GetHdc(), xdest, ydest, SRCCOPY) )
{
wxLogLastError(wxT("BitBlt"));
}
// copy src to buffer using selected raster op
if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
GetHdcOf(*source), xsrc, ysrc, dwRop) )
{
wxLogLastError(wxT("BitBlt"));
}
// set masked area in buffer to BLACK (pixel value 0)
COLORREF prevBkCol = ::SetBkColor(GetHdc(), RGB(255, 255, 255));
COLORREF prevCol = ::SetTextColor(GetHdc(), RGB(0, 0, 0));
if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
dc_mask, xsrc, ysrc, SRCAND) )
{
wxLogLastError(wxT("BitBlt"));
}
// set unmasked area in dest to BLACK
::SetBkColor(GetHdc(), RGB(0, 0, 0));
::SetTextColor(GetHdc(), RGB(255, 255, 255));
if ( !::BitBlt(GetHdc(), xdest, ydest, (int)width, (int)height,
dc_mask, xsrc, ysrc, SRCAND) )
{
wxLogLastError(wxT("BitBlt"));
}
::SetBkColor(GetHdc(), prevBkCol); // restore colours to original values
::SetTextColor(GetHdc(), prevCol);
// OR buffer to dest
success = ::BitBlt(GetHdc(), xdest, ydest,
(int)width, (int)height,
dc_buffer, 0, 0, SRCPAINT) != 0;
if ( !success )
{
wxLogLastError(wxT("BitBlt"));
}
// tidy up temporary DCs and bitmap
::SelectObject(dc_mask, 0);
::DeleteDC(dc_mask);
::SelectObject(dc_buffer, 0);
::DeleteDC(dc_buffer);
::DeleteObject(buffer_bmap);
}
}
#endif
// else // no mask, just BitBlt() it
// {
bSuccess = (::GpiBitBlt( m_hPS
,pSource->GetHPS()
,4L
,aPoint
,lRop
,BBO_IGNORE
) != GPI_ERROR);
if (!bSuccess )
{
wxLogLastError(wxT("BitBlt"));
}
// }
vCbnd.lColor = (LONG)vOldTextColor;
::GpiSetAttrs( m_hPS // presentation-space handle
,PRIM_CHAR // Char primitive.
,CBB_COLOR // sets color.
,0
,&vCbnd // buffer for attributes.
);
::GpiSetBackColor(m_hPS, (LONG)vOldBackground);
return bSuccess;
}
void wxDC::DoGetSize( int* width, int* height ) const