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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9567 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Webster
2001-03-21 22:30:48 +00:00
parent 75ef572207
commit 23122f8c57
5 changed files with 239 additions and 134 deletions
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193
src/os2/dcmemory.cpp
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@@ -22,68 +22,163 @@
IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxDC)
/*
* Memory DC
*
*/
/////////////////////////////////////////////////////////////////////////////
// Memory DC
/////////////////////////////////////////////////////////////////////////////
wxMemoryDC::wxMemoryDC(void)
{
// TODO:
/*
m_hDC = (WXHDC) ::CreateCompatibleDC((HDC) NULL);
m_ok = (m_hDC != 0);
m_bOwnsDC = TRUE;
HDC hDC;
HPS hPS;
DEVOPENSTRUC vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
SIZEL vSize = {0, 0};
SetBrush(*wxWHITE_BRUSH);
SetPen(*wxBLACK_PEN);
//
// Create a memory device context
//
hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE);
if (hDC != DEV_ERROR)
{
hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
if (hPS != GPI_ERROR)
{
m_hPS = hPS;
m_hDC = hDC;
m_ok = TRUE;
m_bOwnsDC = TRUE;
SetBrush(*wxWHITE_BRUSH);
SetPen(*wxBLACK_PEN);
}
else
{
m_hPS = NULLHANDLE;
m_hDC = NULLHANDLE;
m_ok = FALSE;
m_bOwnsDC = FALSE;
}
}
else
{
m_hPS = NULLHANDLE;
m_hDC = NULLHANDLE;
m_ok = FALSE;
m_bOwnsDC = FALSE;
}
} // end of wxMemoryDC::wxMemoryDC
// the background mode is only used for text background
// and is set in DrawText() to OPAQUE as required, other-
// wise always TRANSPARENT, RR
::SetBkMode( GetHdc(), TRANSPARENT );
*/
}
wxMemoryDC::wxMemoryDC(wxDC *old_dc)
wxMemoryDC::wxMemoryDC(
wxDC* pOldDC
)
{
// TODO:
/*
old_dc->BeginDrawing();
HDC hDC;
HPS hPS;
DEVOPENSTRUC vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
SIZEL vSize = {0, 0};
m_hDC = (WXHDC) ::CreateCompatibleDC((HDC) old_dc->GetHDC());
m_ok = (m_hDC != 0);
pOldDC->BeginDrawing();
old_dc->EndDrawing();
//
// Create a memory device context
//
hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, GetHdcOf(*pOldDC));
if (hDC != DEV_ERROR)
{
hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
if (hPS != GPI_ERROR)
{
m_hPS = hPS;
m_hDC = hDC;
m_ok = TRUE;
m_bOwnsDC = TRUE;
pOldDC->EndDrawing();
SetBrush(*wxWHITE_BRUSH);
SetPen(*wxBLACK_PEN);
}
else
{
pOldDC->EndDrawing();
m_hPS = NULLHANDLE;
m_hDC = NULLHANDLE;
m_ok = FALSE;
m_bOwnsDC = FALSE;
}
}
else
{
pOldDC->EndDrawing();
m_hPS = NULLHANDLE;
m_hDC = NULLHANDLE;
m_ok = FALSE;
m_bOwnsDC = FALSE;
}
} // end of wxMemoryDC::wxMemoryDC
SetBrush(*wxWHITE_BRUSH);
SetPen(*wxBLACK_PEN);
// the background mode is only used for text background
// and is set in DrawText() to OPAQUE as required, other-
// wise always TRANSPARENT, RR
::SetBkMode( GetHdc(), TRANSPARENT );
*/
}
wxMemoryDC::~wxMemoryDC(void)
wxMemoryDC::~wxMemoryDC()
{
};
if (m_hPS != NULLHANDLE)
::GpiDestroyPS(m_hPS);
if (m_hDC != NULLHANDLE)
::DevCloseDC(m_hDC);
} // end of wxMemoryDC::~wxMemoryDC
void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
void wxMemoryDC::SelectObject(
const wxBitmap& rBitmap
)
{
// TODO:
};
//
// Select old bitmap out of the device context
//
if (m_hOldBitmap)
{
::GpiSetBitmap(m_hPS, NULLHANDLE);
if (m_vSelectedBitmap.Ok())
{
m_vSelectedBitmap.SetSelectedInto(NULL);
m_vSelectedBitmap = wxNullBitmap;
}
}
void wxMemoryDC::DoGetSize( int *width, int *height ) const
//
// Check for whether the bitmap is already selected into a device context
//
wxCHECK_RET( !rBitmap.GetSelectedInto() ||
(rBitmap.GetSelectedInto() == this),
wxT("Bitmap is selected in another wxMemoryDC, delete the first wxMemoryDC or use SelectObject(NULL)") );
m_vSelectedBitmap = rBitmap;
WXHBITMAP hBmp = m_vSelectedBitmap.GetHBITMAP();
if (!hBmp)
return;
m_vSelectedBitmap.SetSelectedInto(this);
hBmp = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp);
if (hBmp != HBM_ERROR)
{
wxLogLastError(wxT("SelectObject(memDC, bitmap)"));
wxFAIL_MSG(wxT("Couldn't select a bitmap into wxMemoryDC"));
}
else if (!m_hOldBitmap)
{
m_hOldBitmap = hBmp;
}
} // end of wxMemoryDC::SelectObject
void wxMemoryDC::DoGetSize(
int* pWidth
, int* pHeight
) const
{
if (!m_vSelectedBitmap.Ok())
{
*width = 0; *height = 0;
return;
}
*width = m_vSelectedBitmap.GetWidth();
*height = m_vSelectedBitmap.GetHeight();
};
if (!m_vSelectedBitmap.Ok())
{
*pWidth = 0;
*pHeight = 0;
return;
}
*pWidth = m_vSelectedBitmap.GetWidth();
*pHeight = m_vSelectedBitmap.GetHeight();
} // end of wxMemoryDC::DoGetSize