X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..64ea838d8f4d1853b7d850db93ee565e901d099a:/src/os2/dcmemory.cpp diff --git a/src/os2/dcmemory.cpp b/src/os2/dcmemory.cpp index 9e6515d0bf..64acc9f90d 100644 --- a/src/os2/dcmemory.cpp +++ b/src/os2/dcmemory.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dcmemory.cpp +// Name: src/os2/dcmemory.cpp // Purpose: wxMemoryDC class // Author: David Webster // Modified by: @@ -12,78 +12,201 @@ // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" +#include "wx/dcmemory.h" +#include "wx/os2/dcmemory.h" + #ifndef WX_PRECOMP -#include "wx/utils.h" + #include "wx/utils.h" + #include "wx/app.h" + #include "wx/log.h" #endif #include "wx/os2/private.h" -#include "wx/dcmemory.h" - -IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxDC) +IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxPMDCImpl) -/* - * Memory DC - * - */ +///////////////////////////////////////////////////////////////////////////// +// Memory DC +///////////////////////////////////////////////////////////////////////////// -wxMemoryDC::wxMemoryDC(void) +wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner ) + : wxPMDCImpl( owner ) { - // TODO: -/* - m_hDC = (WXHDC) ::CreateCompatibleDC((HDC) NULL); - m_ok = (m_hDC != 0); - m_bOwnsDC = TRUE; - - 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 ); -*/ + CreateCompatible(NULL); + Init(); } -wxMemoryDC::wxMemoryDC(wxDC *old_dc) +wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap ) + : wxPMDCImpl( owner ) { - // TODO: -/* - old_dc->BeginDrawing(); - - m_hDC = (WXHDC) ::CreateCompatibleDC((HDC) old_dc->GetHDC()); - m_ok = (m_hDC != 0); - - old_dc->EndDrawing(); - - 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 ); -*/ + CreateCompatible(NULL); + Init(); + DoSelect(bitmap); } -wxMemoryDC::~wxMemoryDC(void) +wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxDC *pOldDC) + : wxPMDCImpl( owner ) { -}; + wxCHECK_RET( pOldDC, wxT("NULL dc in wxMemoryDC ctor") ); -void wxMemoryDC::SelectObject( const wxBitmap& bitmap ) -{ - // TODO: -}; + CreateCompatible(pOldDC); + Init(); +} // end of wxMemoryDC::wxMemoryDC -void wxMemoryDC::DoGetSize( int *width, int *height ) const +void wxMemoryDCImpl::Init() { - if (!m_vSelectedBitmap.Ok()) - { - *width = 0; *height = 0; - return; - } - *width = m_vSelectedBitmap.GetWidth(); - *height = m_vSelectedBitmap.GetHeight(); -}; - - + if (m_ok) + { + SetBrush(*wxWHITE_BRUSH); + SetPen(*wxBLACK_PEN); + + // the background mode is only used for text background and is set in + // DrawText() to OPAQUE as required, otherwise always TRANSPARENT + ::GpiSetBackMix( GetHPS(), BM_LEAVEALONE ); + } + memset(&m_vRclPaint, 0, sizeof(m_vRclPaint)); +} // end of wxMemoryDC::Init + +bool wxMemoryDCImpl::CreateCompatible( wxDC* WXUNUSED(pDC) ) +{ + HDC hDC; + HPS hPS; + DEVOPENSTRUC vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; + SIZEL vSize = {0, 0}; + + // + // 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; + // + // Set the wxWidgets color table + // + ::GpiCreateLogColorTable( m_hPS + ,0L + ,LCOLF_CONSECRGB + ,0L + ,(LONG)wxTheColourDatabase->m_nSize + ,(PLONG)wxTheColourDatabase->m_palTable + ); + ::GpiCreateLogColorTable( m_hPS + ,0L + ,LCOLF_RGB + ,0L + ,0L + ,NULL + ); + } + 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; + } + + // + // As we created the DC, we must delete it in the dtor + // + m_bOwnsDC = true; + m_ok = m_hDC != 0; + return m_ok; +} // end of wxMemoryDC::CreateCompatible + +void wxMemoryDCImpl::DoSelect( + const wxBitmap& rBitmap +) +{ + // + // Select old bitmap out of the device context + // + if (m_hOldBitmap) + { + ::GpiSetBitmap(m_hPS, NULLHANDLE); + if (m_vSelectedBitmap.IsOk()) + { + m_vSelectedBitmap.SetSelectedInto(NULL); + m_vSelectedBitmap = wxNullBitmap; + } + } + + // + // Check for whether the bitmap is already selected into a device context + // + wxCHECK_RET( !rBitmap.GetSelectedInto() || + (rBitmap.GetSelectedInto() == GetOwner()), + wxT("Bitmap is selected in another wxMemoryDC, delete the first wxMemoryDC or use SelectObject(NULL)") ); + + WXHBITMAP hBmp = rBitmap.GetHBITMAP(); + + if (!hBmp) + { + // + // Bmps drawn to are upside down, so flip it before committing + // + POINTL vPoint[4] = { {0, m_vSelectedBitmap.GetHeight()} + ,{m_vSelectedBitmap.GetWidth(), 0} + ,{0, 0} + ,{m_vSelectedBitmap.GetWidth(), m_vSelectedBitmap.GetHeight()} + }; + + + ::GpiBitBlt( m_hPS + ,m_hPS + ,4 + ,vPoint + ,ROP_SRCCOPY + ,BBO_IGNORE + ); + m_vSelectedBitmap.SetSelectedInto(NULL); + } + + m_vSelectedBitmap = rBitmap; + + + if (!hBmp) + { + + m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, NULLHANDLE); + return; + } + m_vSelectedBitmap.SetSelectedInto(GetOwner()); + m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp); + + if (m_hOldBitmap == HBM_ERROR) + { + wxLogLastError(wxT("SelectObject(memDC, bitmap)")); + wxFAIL_MSG(wxT("Couldn't select a bitmap into wxMemoryDC")); + } +} // end of wxMemoryDC::SelectObject + +void wxMemoryDCImpl::DoGetSize( + int* pWidth +, int* pHeight +) const +{ + if (!m_vSelectedBitmap.IsOk()) + { + *pWidth = 0; + *pHeight = 0; + return; + } + *pWidth = m_vSelectedBitmap.GetWidth(); + *pHeight = m_vSelectedBitmap.GetHeight(); +} // end of wxMemoryDC::DoGetSize