X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5afb945835abd3e3e37213e108e79423407213dd..f5766910b6731eb03e82371416e9778203396ce7:/src/os2/dcmemory.cpp diff --git a/src/os2/dcmemory.cpp b/src/os2/dcmemory.cpp index a0aeef01b2..770e42bce4 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: @@ -12,104 +12,64 @@ // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" +#include "wx/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) ///////////////////////////////////////////////////////////////////////////// // Memory DC ///////////////////////////////////////////////////////////////////////////// -wxMemoryDC::wxMemoryDC(void) +wxMemoryDC::wxMemoryDC( const wxBitmap& bitmap ) { - ERRORID vError; - wxString sError; - HDC hDC; - HPS hPS; - DEVOPENSTRUC vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; - SIZEL vSize = {0, 0}; + CreateCompatible(NULL); + Init(); - // - // 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); - if (!::GpiCreateLogColorTable( m_hPS - ,0L - ,LCOLF_CONSECRGB - ,0L - ,(LONG)wxTheColourDatabase->m_nSize - ,(PLONG)wxTheColourDatabase->m_palTable - )) - { - vError = ::WinGetLastError(vHabmain); - sError = wxPMErrorToStr(vError); - wxLogError("Unable to set current color table. Error: %s\n", sError); - } - // - // Set the color table to RGB mode - // - if (!::GpiCreateLogColorTable( m_hPS - ,0L - ,LCOLF_RGB - ,0L - ,0L - ,NULL - )) - { - vError = ::WinGetLastError(vHabmain); - sError = wxPMErrorToStr(vError); - wxLogError("Unable to set current color table. Error: %s\n", sError); - } - } - 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; - } + if ( bitmap.IsOk() ) + SelectObject(bitmap); } // end of wxMemoryDC::wxMemoryDC wxMemoryDC::wxMemoryDC( wxDC* pOldDC ) { - HDC hDC; - HPS hPS; - DEVOPENSTRUC vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; - SIZEL vSize = {0, 0}; + CreateCompatible(pOldDC); + Init(); +} // end of wxMemoryDC::wxMemoryDC + +void wxMemoryDC::Init() +{ + 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 - pOldDC->BeginDrawing(); +bool wxMemoryDC::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, GetHdcOf(*pOldDC)); + hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE); if (hDC != DEV_ERROR) { hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC); @@ -117,38 +77,49 @@ wxMemoryDC::wxMemoryDC( { m_hPS = hPS; m_hDC = hDC; - m_ok = TRUE; - m_bOwnsDC = TRUE; - pOldDC->EndDrawing(); - SetBrush(*wxWHITE_BRUSH); - SetPen(*wxBLACK_PEN); + 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 { - pOldDC->EndDrawing(); m_hPS = NULLHANDLE; m_hDC = NULLHANDLE; - m_ok = FALSE; - m_bOwnsDC = FALSE; + m_ok = false; + m_bOwnsDC = false; } } else { - pOldDC->EndDrawing(); m_hPS = NULLHANDLE; m_hDC = NULLHANDLE; - m_ok = FALSE; - m_bOwnsDC = FALSE; + m_ok = false; + m_bOwnsDC = false; } -} // end of wxMemoryDC::wxMemoryDC -wxMemoryDC::~wxMemoryDC() -{ - if (m_hPS != NULLHANDLE) - ::GpiDestroyPS(m_hPS); - if (m_hDC != NULLHANDLE) - ::DevCloseDC(m_hDC); -} // end of wxMemoryDC::~wxMemoryDC + // + // 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 wxMemoryDC::SelectObject( const wxBitmap& rBitmap @@ -174,25 +145,46 @@ void wxMemoryDC::SelectObject( (rBitmap.GetSelectedInto() == this), 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; - WXHBITMAP hBmp = m_vSelectedBitmap.GetHBITMAP(); if (!hBmp) - return; + { + m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, NULLHANDLE); + return; + } m_vSelectedBitmap.SetSelectedInto(this); - hBmp = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp); + m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp); - if (hBmp == HBM_ERROR) + if (m_hOldBitmap == 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( @@ -209,5 +201,3 @@ void wxMemoryDC::DoGetSize( *pWidth = m_vSelectedBitmap.GetWidth(); *pHeight = m_vSelectedBitmap.GetHeight(); } // end of wxMemoryDC::DoGetSize - -