X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1c344e89c6dbe3776e529fb86bdeb2829d36fb2f..33820d94285c0004acce756e7d10d9698e6387d1:/src/os2/bitmap.cpp?ds=sidebyside diff --git a/src/os2/bitmap.cpp b/src/os2/bitmap.cpp index 9ce09578e5..f8ae3d715d 100644 --- a/src/os2/bitmap.cpp +++ b/src/os2/bitmap.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: bitmap.cpp +// Name: src/os2/bitmap.cpp // Purpose: wxBitmap // Author: David Webster // Modified by: @@ -9,13 +9,11 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #pragma implementation "bitmap.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" +#include "wx/bitmap.h" + #ifndef WX_PRECOMP #include @@ -24,15 +22,14 @@ #include "wx/app.h" #include "wx/palette.h" #include "wx/dcmemory.h" - #include "wx/bitmap.h" #include "wx/icon.h" + #include "wx/log.h" + #include "wx/image.h" #endif +#include "wx/os2/dc.h" #include "wx/os2/private.h" -#include "wx/log.h" -//#include "wx/msw/dib.h" -#include "wx/image.h" #include "wx/xpmdecod.h" // ---------------------------------------------------------------------------- @@ -58,42 +55,61 @@ wxBitmapRefData::wxBitmapRefData() m_pSelectedInto = NULL; m_nNumColors = 0; m_pBitmapMask = NULL; - m_hBitmap = (WXHBITMAP) NULL; + m_hBitmap = (WXHBITMAP) NULL; } // end of wxBitmapRefData::wxBitmapRefData -void wxBitmapRefData::Free() +wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData &tocopy) { - wxASSERT_MSG( !m_pSelectedInto, - wxT("deleting bitmap still selected into wxMemoryDC") ); + m_nQuality = tocopy.m_nQuality; + m_pSelectedInto = NULL; // don't copy this + m_nNumColors = tocopy.m_nNumColors; + + // copy the mask + if (tocopy.m_pBitmapMask) + m_pBitmapMask = new wxMask(*tocopy.m_pBitmapMask); + m_hBitmap = wxCopyBmp(tocopy.m_hBitmap); +} + +void wxBitmapRefData::Free() +{ + if ( m_pSelectedInto ) + { + wxLogLastError(wxT("GpiDeleteBitmap(hbitmap)")); + } if (m_hBitmap) { - if ( !::GpiDeleteBitmap((HBITMAP)m_hBitmap) ) + if (!::GpiDeleteBitmap((HBITMAP)m_hBitmap)) { - wxLogLastError("GpiDeleteBitmap(hbitmap)"); + wxLogLastError(wxT("GpiDeleteBitmap(hbitmap)")); } } - - delete m_pBitmapMask; - m_pBitmapMask = NULL; + if (m_pBitmapMask) + { + delete m_pBitmapMask; + m_pBitmapMask = NULL; + } } // end of wxBitmapRefData::Free // ---------------------------------------------------------------------------- // wxBitmap creation // ---------------------------------------------------------------------------- +wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const +{ + return new wxBitmapRefData(*static_cast(data)); +} + // this function should be called from all wxBitmap ctors void wxBitmap::Init() { - // m_refData = NULL; done in the base class ctor - - if (wxTheBitmapList) - wxTheBitmapList->AddBitmap(this); + m_bIsMono = false; + // + // True for all bitmaps created from bits, wxImages, Xpms + // } // end of wxBitmap::Init -bool wxBitmap::CopyFromIconOrCursor( - const wxGDIImage& rIcon -) +bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& rIcon) { HPOINTER hIcon = (HPOINTER)rIcon.GetHandle(); POINTERINFO SIconInfo; @@ -101,7 +117,7 @@ bool wxBitmap::CopyFromIconOrCursor( if (!::WinQueryPointerInfo(hIcon, &SIconInfo)) { wxLogLastError(wxT("WinQueryPointerInfo")); - return FALSE; + return false; } wxBitmapRefData* pRefData = new wxBitmapRefData; @@ -116,10 +132,12 @@ bool wxBitmap::CopyFromIconOrCursor( pRefData->m_hBitmap = (WXHBITMAP)SIconInfo.hbmColor; - // - // No mask in the Info struct in OS/2 - // - return(TRUE); + wxMask* pMask = new wxMask(SIconInfo.hbmPointer); + + pMask->SetMaskBitmap(GetHBITMAP()); + SetMask(pMask); + + return true; } // end of wxBitmap::CopyFromIconOrCursor bool wxBitmap::CopyFromCursor( @@ -129,7 +147,7 @@ bool wxBitmap::CopyFromCursor( UnRef(); if (!rCursor.Ok()) - return(FALSE); + return(false); return(CopyFromIconOrCursor(rCursor)); } // end of wxBitmap::CopyFromCursor @@ -140,22 +158,20 @@ bool wxBitmap::CopyFromIcon( UnRef(); if (!rIcon.Ok()) - return(FALSE); + return(false); return CopyFromIconOrCursor(rIcon); } // end of wxBitmap::CopyFromIcon wxBitmap::~wxBitmap() { - if (wxTheBitmapList) - wxTheBitmapList->DeleteObject(this); } // end of wxBitmap::~wxBitmap wxBitmap::wxBitmap( const char zBits[] -, int nTheWidth -, int nTheHeight -, int nNoBits +, int nWidth +, int nHeight +, int nDepth ) { Init(); @@ -167,68 +183,102 @@ wxBitmap::wxBitmap( HPS hPs; DEVOPENSTRUC vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL }; SIZEL vSize = {0, 0}; + char* pzData; wxASSERT(vHabmain != NULL); - hDc = ::DevOpenDC(vHabmain, OD_MEMORY, (PSZ)"*", 1L, (PDEVOPENDATA)&vDop, 0L); + m_refData = pRefData; - vHeader.cbFix = sizeof(vHeader); - vHeader.cx = (USHORT)nTheWidth; - vHeader.cy = (USHORT)nTheHeight; - vHeader.cPlanes = 1L; - vHeader.cBitCount = nNoBits; - vHeader.ulCompression = BCA_UNCOMP; - vHeader.cxResolution = 0; - vHeader.cyResolution = 0; - vHeader.cclrUsed = 0; - vHeader.cclrImportant = 0; - vHeader.usUnits = BRU_METRIC; - vHeader.usRecording = BRA_BOTTOMUP; - vHeader.usRendering = BRH_NOTHALFTONED; - vHeader.cSize1 = 0; - vHeader.cSize2 = 0; - vHeader.ulColorEncoding = 0; - vHeader.ulIdentifier = 0; + pRefData->m_nWidth = nWidth; + pRefData->m_nHeight = nHeight; + pRefData->m_nDepth = nDepth; + pRefData->m_nNumColors = 0; + pRefData->m_pSelectedInto = NULL; + hDc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); hPs = ::GpiCreatePS(vHabmain, hDc, &vSize, GPIA_ASSOC | PU_PELS); if (hPs == 0) { - wxLogLastError("GpiCreatePS Failure"); + wxLogLastError(wxT("GpiCreatePS Failure")); } - m_refData = pRefData; + if (nDepth == 1) + { + // + // We assume that it is in XBM format which is not quite the same as + // the format CreateBitmap() wants because the order of bytes in the + // line is reversed! + // + const size_t nBytesPerLine = (nWidth + 7) / 8; + const size_t nPadding = nBytesPerLine % 2; + const size_t nLen = nHeight * (nPadding + nBytesPerLine); + const char* pzSrc = zBits; + int nRows; + size_t nCols; + + pzData = (char *)malloc(nLen); + + char* pzDst = pzData; + + for (nRows = 0; nRows < nHeight; nRows++) + { + for (nCols = 0; nCols < nBytesPerLine; nCols++) + { + unsigned char ucVal = *pzSrc++; + unsigned char ucReversed = 0; + int nBits; - pRefData->m_nWidth = nTheWidth; - pRefData->m_nHeight = nTheHeight; - pRefData->m_nDepth = nNoBits; - pRefData->m_nNumColors = 0; - pRefData->m_pSelectedInto = NULL; + for (nBits = 0; nBits < 8; nBits++) + { + ucReversed <<= 1; + ucReversed = (unsigned char)(ucReversed | (ucVal & 0x01)); + ucVal >>= 1; + } + *pzDst++ = ucReversed; + } + if (nPadding) + *pzDst++ = 0; + } + } + else + { + // + // Bits should already be in Windows standard format + // + pzData = (char *)zBits; // const_cast is harmless + } + + if (nDepth > 24) + nDepth = 24; // MAX supported in PM + memset(&vHeader, '\0', 16); + vHeader.cbFix = 16; + vHeader.cx = (USHORT)nWidth; + vHeader.cy = (USHORT)nHeight; + vHeader.cPlanes = 1L; + vHeader.cBitCount = (USHORT)nDepth; + vHeader.usReserved = 0; + + memset(&vInfo, '\0', 16); + vInfo.cbFix = 16; + vInfo.cx = (USHORT)nWidth; + vInfo.cy = (USHORT)nHeight; + vInfo.cPlanes = 1L; + vInfo.cBitCount = (USHORT)nDepth; + + HBITMAP hBmp = ::GpiCreateBitmap(hPs, &vHeader, CBM_INIT, (PBYTE)pzData, &vInfo); - HBITMAP hBmp = ::GpiCreateBitmap(hPs, &vHeader, 0L, NULL, &vInfo); if (!hBmp) { - wxLogLastError("CreateBitmap"); + wxLogLastError(wxT("CreateBitmap")); } + ::GpiDestroyPS(hPs); + ::DevCloseDC(hDc); SetHBITMAP((WXHBITMAP)hBmp); } // end of wxBitmap::wxBitmap wxBitmap::wxBitmap( - int nW -, int nH -, int nD -) -{ - Init(); - - (void)Create( nW - ,nH - ,nD - ); -} // end of wxBitmap::wxBitmap - -wxBitmap::wxBitmap( - void* pData -, long lType + const void* pData +, wxBitmapType lType , int nWidth , int nHeight , int nDepth @@ -245,15 +295,15 @@ wxBitmap::wxBitmap( } // end of wxBitmap::wxBitmap wxBitmap::wxBitmap( - const wxString& rFilename -, long lType + int nId +, wxBitmapType lType ) { Init(); - - LoadFile( rFilename - ,(int)lType + LoadFile( nId + ,lType ); + SetId(nId); } // end of wxBitmap::wxBitmap bool wxBitmap::Create( @@ -272,6 +322,10 @@ bool wxBitmap::Create( GetBitmapData()->m_nHeight = nH; GetBitmapData()->m_nDepth = nD; + // + // Xpms and bitmaps from other images can also be mono's, but only + // mono's need help changing their colors with MemDC changes + // if (nD > 0) { DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; @@ -279,12 +333,14 @@ bool wxBitmap::Create( HDC hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); HPS hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC); - memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2)); - vHeader.cbFix = sizeof(BITMAPINFOHEADER2); + if (nD == 1) + m_bIsMono = true; + memset(&vHeader, '\0', 16); + vHeader.cbFix = 16; vHeader.cx = nW; vHeader.cy = nH; vHeader.cPlanes = 1; - vHeader.cBitCount = nD; + vHeader.cBitCount = 24; //nD; hBmp = ::GpiCreateBitmap( hPS ,&vHeader @@ -305,12 +361,15 @@ bool wxBitmap::Create( hDCScreen = ::GpiQueryDevice(hPSScreen); ::DevQueryCaps(hDCScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitCount); - memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2)); - vHeader.cbFix = sizeof(BITMAPINFOHEADER2); + if (lBitCount > 24) + lBitCount = 24; + + memset(&vHeader, '\0', 16); + vHeader.cbFix = 16; vHeader.cx = nW; vHeader.cy = nH; vHeader.cPlanes = 1; - vHeader.cBitCount = lBitCount; + vHeader.cBitCount = (USHORT)lBitCount; hBmp = ::GpiCreateBitmap( hPSScreen ,&vHeader @@ -324,41 +383,42 @@ bool wxBitmap::Create( } SetHBITMAP((WXHBITMAP)hBmp); -#if WXWIN_COMPATIBILITY_2 - GetBitmapData()->m_bOk = hBmp != 0; -#endif // WXWIN_COMPATIBILITY_2 - return Ok(); } // end of wxBitmap::Create -bool wxBitmap::CreateFromXpm( - const char** ppData -) +bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type) { -#if wxUSE_IMAGE && wxUSE_XPM - Init(); + UnRef(); - wxCHECK_MSG(ppData != NULL, FALSE, wxT("invalid bitmap data")) + wxBitmapHandler *handler = wxDynamicCast(FindHandler(type), wxBitmapHandler); - wxXPMDecoder vDecoder; - wxImage vImg = vDecoder.ReadData(ppData); + if ( handler ) + { + m_refData = new wxBitmapRefData; - wxCHECK_MSG(vImg.Ok(), FALSE, wxT("invalid bitmap data")) + return handler->LoadFile(this, filename, type, -1, -1); + } +#if wxUSE_IMAGE + else // no bitmap handler found + { + wxImage image; + if ( image.LoadFile( filename, type ) && image.Ok() ) + { + *this = wxBitmap(image); - *this = wxBitmap(vImg); - return TRUE; -#else - return FALSE; -#endif -} // end of wxBitmap::CreateFromXpm + return true; + } + } +#endif // wxUSE_IMAGE + + return false; +} bool wxBitmap::LoadFile( - const wxString& rFilename -, long lType + int nId +, wxBitmapType lType ) { - HPS hPs = NULLHANDLE; - UnRef(); wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType) @@ -370,8 +430,7 @@ bool wxBitmap::LoadFile( m_refData = new wxBitmapRefData; return(pHandler->LoadFile( this - ,rFilename - ,hPs + ,nId ,lType , -1 , -1 @@ -379,20 +438,13 @@ bool wxBitmap::LoadFile( } else { - wxImage vImage; - - if (!vImage.LoadFile(rFilename, lType) || !vImage.Ok() ) - return(FALSE); - - *this = vImage.ConvertToBitmap(); - - return(TRUE); + return false; } } // end of wxBitmap::LoadFile bool wxBitmap::Create( - void* pData -, long lType + const void* pData +, wxBitmapType lType , int nWidth , int nHeight , int nDepth @@ -406,10 +458,9 @@ bool wxBitmap::Create( if (!pHandler) { - wxLogDebug(wxT("Failed to create bitmap: no bitmap handler for " - "type %d defined."), lType); + wxLogDebug(wxT("Failed to create bitmap: no bitmap handler for type %ld defined."), lType); - return(FALSE); + return false; } m_refData = new wxBitmapRefData; @@ -425,7 +476,7 @@ bool wxBitmap::Create( bool wxBitmap::SaveFile( const wxString& rFilename -, int lType +, wxBitmapType lType , const wxPalette* pPalette ) { @@ -444,10 +495,10 @@ bool wxBitmap::SaveFile( else { // FIXME what about palette? shouldn't we use it? - wxImage vImage(*this); + wxImage vImage = ConvertToImage(); if (!vImage.Ok()) - return(FALSE); + return false; return(vImage.SaveFile( rFilename ,lType @@ -457,338 +508,565 @@ bool wxBitmap::SaveFile( // ---------------------------------------------------------------------------- -// wxImage-wxBitmap convertion +// wxImage-wxBitmap conversion // ---------------------------------------------------------------------------- -bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) +bool wxBitmap::CreateFromImage ( + const wxImage& rImage +, int nDepth +) { - wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") ) - -// TODO: -/* - int sizeLimit = 1024*768*3; - - // width and height of the device-dependent bitmap - int width = GetWidth(); - int bmpHeight = GetHeight(); - - // calc the number of bytes per scanline and padding - int bytePerLine = width*3; - int sizeDWORD = sizeof( DWORD ); - int lineBoundary = bytePerLine % sizeDWORD; - int padding = 0; - if( lineBoundary > 0 ) + wxCHECK_MSG(rImage.Ok(), false, wxT("invalid image")); + m_refData = new wxBitmapRefData(); + + int nSizeLimit = 1024 * 768 * 3; + int nWidth = rImage.GetWidth(); + int nBmpHeight = rImage.GetHeight(); + int nBytePerLine = nWidth * 3; + int nSizeDWORD = sizeof(DWORD); + int nLineBoundary = nBytePerLine % nSizeDWORD; + int nPadding = 0; + + if (nLineBoundary > 0) { - padding = sizeDWORD - lineBoundary; - bytePerLine += padding; + nPadding = nSizeDWORD - nLineBoundary; + nBytePerLine += nPadding; } - // calc the number of DIBs and heights of DIBs - int numDIB = 1; - int hRemain = 0; - int height = sizeLimit/bytePerLine; - if( height >= bmpHeight ) - height = bmpHeight; + + // + // Calc the number of DIBs and heights of DIBs + // + int nNumDIB = 1; + int nHRemain = 0; + int nHeight = nSizeLimit / nBytePerLine; + + if (nHeight >= nBmpHeight) + nHeight = nBmpHeight; else { - numDIB = bmpHeight / height; - hRemain = bmpHeight % height; - if( hRemain >0 ) numDIB++; + nNumDIB = nBmpHeight / nHeight; + nHRemain = nBmpHeight % nHeight; + if (nHRemain > 0) + nNumDIB++; } - // set bitmap parameters - wxBitmap bitmap; - wxCHECK_MSG( Ok(), bitmap, wxT("invalid image") ); - bitmap.SetWidth( width ); - bitmap.SetHeight( bmpHeight ); - bitmap.SetDepth( wxDisplayDepth() ); - - // create a DIB header - int headersize = sizeof(BITMAPINFOHEADER); - LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); - wxCHECK_MSG( lpDIBh, bitmap, wxT("could not allocate memory for DIB header") ); + // + // Set bitmap parameters + // + wxCHECK_MSG(rImage.Ok(), false, wxT("invalid image")); + SetWidth(nWidth); + SetHeight(nBmpHeight); + if (nDepth == 1) + m_bIsMono = true; + else + m_bIsMono = false; + if (nDepth == -1) + nDepth = wxDisplayDepth(); + SetDepth(nDepth); + +#if wxUSE_PALETTE + // + // Copy the palette from the source image + // + SetPalette(rImage.GetPalette()); +#endif // wxUSE_PALETTE + + // + // Create a DIB header + // + BITMAPINFOHEADER2 vHeader; + BITMAPINFO2 vInfo; + + // // Fill in the DIB header - lpDIBh->bmiHeader.biSize = headersize; - lpDIBh->bmiHeader.biWidth = (DWORD)width; - lpDIBh->bmiHeader.biHeight = (DWORD)(-height); - lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; - // the general formula for biSizeImage: - // ( ( ( ((DWORD)width*24) +31 ) & ~31 ) >> 3 ) * height; - lpDIBh->bmiHeader.biPlanes = 1; - lpDIBh->bmiHeader.biBitCount = 24; - lpDIBh->bmiHeader.biCompression = BI_RGB; - lpDIBh->bmiHeader.biClrUsed = 0; - // These seem not really needed for our purpose here. - lpDIBh->bmiHeader.biClrImportant = 0; - lpDIBh->bmiHeader.biXPelsPerMeter = 0; - lpDIBh->bmiHeader.biYPelsPerMeter = 0; - // memory for DIB data - unsigned char *lpBits; - lpBits = (unsigned char *)malloc( lpDIBh->bmiHeader.biSizeImage ); - if( !lpBits ) + // + memset(&vHeader, '\0', 16); + vHeader.cbFix = 16; + vHeader.cx = (ULONG)nWidth; + vHeader.cy = (ULONG)nHeight; + vHeader.cPlanes = 1L; + vHeader.cBitCount = 24; + + // + // Memory for DIB data + // + unsigned char* pucBits; + + pucBits = (unsigned char *)malloc(nBytePerLine * nHeight); + if(!pucBits) + { + wxFAIL_MSG(wxT("could not allocate memory for DIB")); + return false; + } + memset(pucBits, '\0', (nBytePerLine * nHeight)); + + // + // Create and set the device-dependent bitmap + // + DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; + SIZEL vSize = {0, 0}; + HDC hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); + HPS hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC); + LONG lScans; + HDC hDCScreen = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); + HPS hPSScreen; + HBITMAP hBmp; + HBITMAP hBmpOld; + + memset(&vInfo, '\0', 16); + vInfo.cbFix = 16; + vInfo.cx = (ULONG)nWidth; + vInfo.cy = (ULONG)nHeight; + vInfo.cPlanes = 1; + vInfo.cBitCount = 24; // Set to desired count going in + + hBmp = ::GpiCreateBitmap( hPS + ,&vHeader + ,0L + ,NULL + ,NULL + ); +#if wxUSE_PALETTE + HPAL hOldPalette = NULLHANDLE; + if (rImage.GetPalette().Ok()) { - wxFAIL_MSG( wxT("could not allocate memory for DIB") ); - free( lpDIBh ); - return bitmap; + hOldPalette = ::GpiSelectPalette(hPS, (HPAL)rImage.GetPalette().GetHPALETTE()); } +#endif // wxUSE_PALETTE + + // + // Copy image data into DIB data and then into DDB (in a loop) + // + unsigned char* pData = rImage.GetData(); + int i; + int j; + int n; + int nOrigin = 0; + unsigned char* ptdata = pData; + unsigned char* ptbits; + + if ((hBmpOld = ::GpiSetBitmap(hPS, hBmp)) == HBM_ERROR) + { + ERRORID vError; + wxString sError; - // create and set the device-dependent bitmap - HDC hdc = ::GetDC(NULL); - HDC memdc = ::CreateCompatibleDC( hdc ); - HBITMAP hbitmap; - hbitmap = ::CreateCompatibleBitmap( hdc, width, bmpHeight ); - ::SelectObject( memdc, hbitmap); - - // copy image data into DIB data and then into DDB (in a loop) - unsigned char *data = GetData(); - int i, j, n; - int origin = 0; - unsigned char *ptdata = data; - unsigned char *ptbits; - - for( n=0; n 1 && n == numDIB-1 && hRemain > 0 ) + if (nNumDIB > 1 && n == nNumDIB - 1 && nHRemain > 0) { - // redefine height and size of the (possibly) last smaller DIB + // + // Redefine height and size of the (possibly) last smaller DIB // memory is not reallocated - height = hRemain; - lpDIBh->bmiHeader.biHeight = (DWORD)(-height); - lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; + // + nHeight = nHRemain; + vHeader.cy = (DWORD)(nHeight); + vHeader.cbImage = nBytePerLine * nHeight; } - ptbits = lpBits; - - for( j=0; jbmiHeader), CBM_INIT, lpBits, lpDIBh, DIB_RGB_COLORS ); - // The above line is equivalent to the following two lines. - // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); - // ::SetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS); - // or the following lines - // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); - // HDC memdc = ::CreateCompatibleDC( hdc ); - // ::SelectObject( memdc, hbitmap); - // ::SetDIBitsToDevice( memdc, 0, 0, width, height, - // 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS); - // ::SelectObject( memdc, 0 ); - // ::DeleteDC( memdc ); + hPSScreen = ::GpiCreatePS( vHabmain + ,hDCScreen + ,&vSize + ,PU_PELS | GPIA_ASSOC + ); + + POINTL vPoint[4] = { {0, nOrigin}, + {nWidth, nHeight}, + {0, 0}, {nWidth, nHeight} + }; + + + ::GpiBitBlt( hPSScreen + ,hPS + ,4 + ,vPoint + ,ROP_SRCCOPY + ,BBO_IGNORE + ); + ::GpiDestroyPS(hPSScreen); + nOrigin += nHeight; } - bitmap.SetHBITMAP( (WXHBITMAP) hbitmap ); + SetHBITMAP((WXHBITMAP)hBmp); +#if wxUSE_PALETTE + if (hOldPalette) + ::GpiSelectPalette(hPS, hOldPalette); +#endif // wxUSE_PALETTE - // similarly, created an mono-bitmap for the possible mask - if( HasMask() ) + // + // Similarly, created an mono-bitmap for the possible mask + // + if (rImage.HasMask()) { - hbitmap = ::CreateBitmap( (WORD)width, (WORD)bmpHeight, 1, 1, NULL ); - ::SelectObject( memdc, hbitmap); - if( numDIB == 1 ) height = bmpHeight; - else height = sizeLimit/bytePerLine; - lpDIBh->bmiHeader.biHeight = (DWORD)(-height); - lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; - origin = 0; - unsigned char r = GetMaskRed(); - unsigned char g = GetMaskGreen(); - unsigned char b = GetMaskBlue(); - unsigned char zero = 0, one = 255; - ptdata = data; - for( n=0; n 1 && n == numDIB - 1 && hRemain > 0 ) + if (nNumDIB > 1 && n == nNumDIB - 1 && nHRemain > 0) { - // redefine height and size of the (possibly) last smaller DIB + // + // Redefine height and size of the (possibly) last smaller DIB // memory is not reallocated - height = hRemain; - lpDIBh->bmiHeader.biHeight = (DWORD)(-height); - lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; + // + nHeight = nHRemain; + vHeader.cy = (DWORD)(nHeight); + vHeader.cbImage = nBytePerLine * nHeight; } - ptbits = lpBits; - for( int j=0; jSetMaskBitmap( (WXHBITMAP) hbitmap ); - bitmap.SetMask( mask ); - } - // free allocated resources - ::SelectObject( memdc, 0 ); - ::DeleteDC( memdc ); - ::ReleaseDC(NULL, hdc); - free(lpDIBh); - free(lpBits); + // + // Create a wxMask object + // + wxMask* pMask = new wxMask(); - // check the wxBitmap object - if( bitmap.GetHBITMAP() ) - bitmap.SetOk( TRUE ); - else - bitmap.SetOk( FALSE ); -*/ + pMask->SetMaskBitmap((WXHBITMAP)hBmp); + SetMask(pMask); + hBmpOld = ::GpiSetBitmap(hPS, hBmpOld); + } - return TRUE; -} + // + // Free allocated resources + // + ::GpiSetBitmap(hPS, NULLHANDLE); + ::GpiDestroyPS(hPS); + ::DevCloseDC(hDCScreen); + ::DevCloseDC(hDC); + free(pucBits); + return true; +} // end of wxBitmap::CreateFromImage wxImage wxBitmap::ConvertToImage() const { - wxImage image; + wxImage vImage; + wxDC* pDC; wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); - // create an wxImage object - int width = GetWidth(); - int height = GetHeight(); - image.Create( width, height ); - unsigned char *data = image.GetData(); - if( !data ) + // + // Create an wxImage object + // + int nWidth = GetWidth(); + int nHeight = GetHeight(); + int nDevWidth; + int nDevHeight; + int nBytePerLine = nWidth * 3; + int nSizeDWORD = sizeof(DWORD); + int nLineBoundary = nBytePerLine % nSizeDWORD; + int nPadding = 0; + unsigned char* pData; + unsigned char* lpBits; + long lScans; + BITMAPINFOHEADER2 vDIBh; + BITMAPINFO2 vDIBInfo; + HPS hPSMem; + HBITMAP hBitmap; + HBITMAP hOldBitmap; + DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; + SIZEL vSizlPage = {0,0}; + HDC hDCMem = NULLHANDLE; + + vImage.Create( nWidth + ,nHeight + ); + pData = vImage.GetData(); + if(!pData) { wxFAIL_MSG( wxT("could not allocate data for image") ); return wxNullImage; } + if(nLineBoundary > 0) + { + nPadding = nSizeDWORD - nLineBoundary; + nBytePerLine += nPadding; + } + wxDisplaySize( &nDevWidth + ,&nDevHeight + ); + // + // Create and fill a DIB header + // + memset(&vDIBh, '\0', 16); + vDIBh.cbFix = 16; + vDIBh.cx = nWidth; + vDIBh.cy = nHeight; + vDIBh.cPlanes = 1; + vDIBh.cBitCount = 24; + + memset(&vDIBInfo, '\0', 16); + vDIBInfo.cbFix = 16; + vDIBInfo.cx = nWidth; + vDIBInfo.cy = nHeight; + vDIBInfo.cPlanes = 1; + vDIBInfo.cBitCount = 24; + + lpBits = (unsigned char *)malloc(nBytePerLine * nHeight); + if (!lpBits) + { + wxFAIL_MSG(wxT("could not allocate data for DIB")); + free(pData); + return wxNullImage; + } + memset(lpBits, '\0', (nBytePerLine * nHeight)); + hBitmap = (HBITMAP)GetHBITMAP(); - // calc the number of bytes per scanline and padding in the DIB - int bytePerLine = width*3; - int sizeDWORD = sizeof( DWORD ); - int lineBoundary = bytePerLine % sizeDWORD; - int padding = 0; - if( lineBoundary > 0 ) + // + // May already be selected into a PS + // + pDC = GetSelectedInto(); + const wxPMDCImpl *impl; + if (pDC != NULL && + (impl = wxDynamicCast( pDC->GetImpl(), wxPMDCImpl )) != NULL) { - padding = sizeDWORD - lineBoundary; - bytePerLine += padding; + hPSMem = impl->GetHPS(); } -// TODO: -/* - // create a DIB header - int headersize = sizeof(BITMAPINFOHEADER); - LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); - if( !lpDIBh ) + else { - wxFAIL_MSG( wxT("could not allocate data for DIB header") ); - free( data ); - return; + hDCMem = ::DevOpenDC( vHabmain + ,OD_MEMORY + ,"*" + ,5L + ,(PDEVOPENDATA)&vDop + ,NULLHANDLE + ); + hPSMem = ::GpiCreatePS( vHabmain + ,hDCMem + ,&vSizlPage + ,PU_PELS | GPIA_ASSOC + ); } - // Fill in the DIB header - lpDIBh->bmiHeader.biSize = headersize; - lpDIBh->bmiHeader.biWidth = width; - lpDIBh->bmiHeader.biHeight = -height; - lpDIBh->bmiHeader.biSizeImage = bytePerLine * height; - lpDIBh->bmiHeader.biPlanes = 1; - lpDIBh->bmiHeader.biBitCount = 24; - lpDIBh->bmiHeader.biCompression = BI_RGB; - lpDIBh->bmiHeader.biClrUsed = 0; - // These seem not really needed for our purpose here. - lpDIBh->bmiHeader.biClrImportant = 0; - lpDIBh->bmiHeader.biXPelsPerMeter = 0; - lpDIBh->bmiHeader.biYPelsPerMeter = 0; - // memory for DIB data - unsigned char *lpBits; - lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage ); - if( !lpBits ) + if ((hOldBitmap = ::GpiSetBitmap(hPSMem, hBitmap)) == HBM_ERROR) { - wxFAIL_MSG( wxT("could not allocate data for DIB") ); - free( data ); - free( lpDIBh ); - return; + ERRORID vError; + wxString sError; + + vError = ::WinGetLastError(vHabmain); + sError = wxPMErrorToStr(vError); + } + + // + // Copy data from the device-dependent bitmap to the DIB + // + if ((lScans = ::GpiQueryBitmapBits( hPSMem + ,0L + ,(LONG)nHeight + ,(PBYTE)lpBits + ,&vDIBInfo + )) == GPI_ALTERROR) + { + ERRORID vError; + wxString sError; + + vError = ::WinGetLastError(vHabmain); + sError = wxPMErrorToStr(vError); } - // copy data from the device-dependent bitmap to the DIB - HDC hdc = ::GetDC(NULL); - HBITMAP hbitmap; - hbitmap = (HBITMAP) bitmap.GetHBITMAP(); - ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); - - // copy DIB data into the wxImage object - int i, j; - unsigned char *ptdata = data; - unsigned char *ptbits = lpBits; - for( i=0; iGetMaskBitmap() ) + // + // Similarly, set data according to the possible mask bitmap + // + if (GetMask() && GetMask()->GetMaskBitmap()) { - hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap(); - // memory DC created, color set, data copied, and memory DC deleted - HDC memdc = ::CreateCompatibleDC( hdc ); - ::SetTextColor( memdc, RGB( 0, 0, 0 ) ); - ::SetBkColor( memdc, RGB( 255, 255, 255 ) ); - ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); - ::DeleteDC( memdc ); - // background color set to RGB(16,16,16) in consistent with wxGTK - unsigned char r=16, g=16, b=16; - ptdata = data; + hBitmap = (HBITMAP)GetMask()->GetMaskBitmap(); + + // + // Memory DC/PS created, color set, data copied, and memory DC/PS deleted + // + HDC hMemDC = ::DevOpenDC( vHabmain + ,OD_MEMORY + ,"*" + ,5L + ,(PDEVOPENDATA)&vDop + ,NULLHANDLE + ); + HPS hMemPS = ::GpiCreatePS( vHabmain + ,hMemDC + ,&vSizlPage + ,PU_PELS | GPIA_ASSOC + ); + ::GpiSetColor(hMemPS, OS2RGB(0, 0, 0)); + ::GpiSetBackColor(hMemPS, OS2RGB(255, 255, 255) ); + ::GpiSetBitmap(hMemPS, hBitmap); + ::GpiQueryBitmapBits( hPSMem + ,0L + ,(LONG)nHeight + ,(PBYTE)lpBits + ,&vDIBInfo + ); + ::GpiSetBitmap(hMemPS, NULLHANDLE); + ::GpiDestroyPS(hMemPS); + ::DevCloseDC(hMemDC); + + // + // Background color set to RGB(16,16,16) in consistent with wxGTK + // + unsigned char ucRed = 16; + unsigned char ucGreen = 16; + unsigned char ucBlue = 16; + + ptdata = pData; ptbits = lpBits; - for( i=0; im_nQuality = nQ; } // end of wxBitmap::SetQuality -#if WXWIN_COMPATIBILITY_2 -void wxBitmap::SetOk( - bool bOk -) -{ - EnsureHasData(); - - GetBitmapData()->m_bOk = bOk; -} // end of wxBitmap::SetOk -#endif // WXWIN_COMPATIBILITY_2 - void wxBitmap::SetPalette( const wxPalette& rPalette ) @@ -924,34 +1191,9 @@ void wxBitmap::SetMask( GetBitmapData()->m_pBitmapMask = pMask; } // end of wxBitmap::SetMask -// -// Will try something for OS/2 but not really sure how close -// to the msw intent this is. -// -wxBitmap wxBitmap::GetBitmapForDC( - wxDC& rDc -) const +wxBitmap wxBitmap::GetBitmapForDC(wxDC& WXUNUSED(rDc)) const { - wxMemoryDC vMemDC; - wxBitmap vTmpBitmap( this->GetWidth() - ,this->GetHeight() - ,rDc.GetDepth() - ); - WXHBITMAP vOldBitmap; - HPS hMemoryPS; - HPS hPs; - POINTL vPoint[4]; - SIZEL vSize = {0,0}; - - hMemoryPS = ::GpiCreatePS(vHabmain, (HDC)vMemDC.GetHDC(), &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC); - hPs = ::GpiCreatePS(vHabmain, (HDC)rDc.GetHDC(), &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC); - - // TODO: Set the points - - vOldBitmap = (WXHBITMAP)::GpiSetBitmap(hPs, (HBITMAP)vTmpBitmap.GetHBITMAP()); - ::GpiBitBlt(hPs, hMemoryPS, 4L, vPoint, ROP_SRCCOPY, BBO_IGNORE); - - return(vTmpBitmap); + return(*this); } // end of wxBitmap::GetBitmapForDC // ---------------------------------------------------------------------------- @@ -963,6 +1205,11 @@ wxMask::wxMask() m_hMaskBitmap = 0; } // end of wxMask::wxMask +wxMask::wxMask(const wxMask& tocopy) +{ + m_hMaskBitmap = wxCopyBmp(tocopy.m_hMaskBitmap); +} // end of wxMask::wxMask + // Construct a mask from a bitmap and a colour indicating // the transparent area wxMask::wxMask( @@ -1016,8 +1263,8 @@ bool wxMask::Create( HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC); HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC); - POINTL vPoint[4] = { 0 ,0, rBitmap.GetWidth(), rBitmap.GetHeight(), - 0, 0, rBitmap.GetWidth(), rBitmap.GetHeight() + POINTL vPoint[4] = { {0 ,0}, {rBitmap.GetWidth(), rBitmap.GetHeight()}, + {0, 0}, {rBitmap.GetWidth(), rBitmap.GetHeight()} }; if (m_hMaskBitmap) @@ -1027,7 +1274,7 @@ bool wxMask::Create( } if (!rBitmap.Ok() || rBitmap.GetDepth() != 1) { - return(FALSE); + return false; } memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2)); @@ -1035,7 +1282,7 @@ bool wxMask::Create( vBmih.cx = rBitmap.GetWidth(); vBmih.cy = rBitmap.GetHeight(); vBmih.cPlanes = 1; - vBmih.cBitCount = 1; + vBmih.cBitCount = 24; m_hMaskBitmap = ::GpiCreateBitmap( hPSDst ,&vBmih @@ -1058,7 +1305,7 @@ bool wxMask::Create( ::GpiDestroyPS(hPSDst); ::DevCloseDC(hDCSrc); ::DevCloseDC(hDCDst); - return(TRUE); + return true; } // end of wxMask::Create // Create a mask from a bitmap and a palette index indicating @@ -1095,7 +1342,7 @@ bool wxMask::Create( )); } } - return(FALSE); + return false; } // end of wxMask::Create // Create a mask from a bitmap and a colour indicating @@ -1105,7 +1352,7 @@ bool wxMask::Create( , const wxColour& rColour ) { - bool bOk = TRUE; + bool bOk = true; COLORREF vMaskColour = OS2RGB( rColour.Red() ,rColour.Green() ,rColour.Blue() @@ -1117,9 +1364,6 @@ bool wxMask::Create( HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC); HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC); - POINTL vPoint[4] = { 0 ,0, rBitmap.GetWidth(), rBitmap.GetHeight(), - 0, 0, rBitmap.GetWidth(), rBitmap.GetHeight() - }; if (m_hMaskBitmap) { @@ -1128,7 +1372,7 @@ bool wxMask::Create( } if (!rBitmap.Ok()) { - return(FALSE); + return false; } // @@ -1169,7 +1413,7 @@ bool wxMask::Create( // // Doesn't make sense to continue // - bOk = FALSE; + bOk = false; break; } @@ -1191,39 +1435,37 @@ bool wxMask::Create( ::GpiDestroyPS(hPSDst); ::DevCloseDC(hDCSrc); ::DevCloseDC(hDCDst); - return(TRUE); + return true; } // end of wxMask::Create // ---------------------------------------------------------------------------- // wxBitmapHandler // ---------------------------------------------------------------------------- -bool wxBitmapHandler::Create( - wxGDIImage* pImage -, void* pData -, long lFlags -, int nWidth -, int nHeight -, int nDepth -) +bool wxBitmapHandler::Create( wxGDIImage* pImage, + const void* pData, + wxBitmapType lType, + int nWidth, + int nHeight, + int nDepth) { - wxBitmap* pBitmap = wxDynamicCast( pImage - ,wxBitmap - ); + wxBitmap* pBitmap = wxDynamicCast( pImage + ,wxBitmap + ); return(pBitmap ? Create( pBitmap ,pData + ,lType ,nWidth ,nHeight ,nDepth - ) : FALSE); + ) : false); } bool wxBitmapHandler::Load( wxGDIImage* pImage -, const wxString& rName -, HPS hPs -, long lFlags +, int nId +, wxBitmapType lFlags , int nWidth , int nHeight ) @@ -1233,19 +1475,18 @@ bool wxBitmapHandler::Load( ); return(pBitmap ? LoadFile( pBitmap - ,rName - ,hPs + ,nId ,lFlags ,nWidth ,nHeight - ) : FALSE); + ) : false); } bool wxBitmapHandler::Save( - wxGDIImage* pImage + const wxGDIImage* pImage , const wxString& rName -, int lType -) +, wxBitmapType lType +) const { wxBitmap* pBitmap = wxDynamicCast( pImage ,wxBitmap @@ -1254,41 +1495,51 @@ bool wxBitmapHandler::Save( return(pBitmap ? SaveFile( pBitmap ,rName ,lType - ) : FALSE); + ) : false); } bool wxBitmapHandler::Create( wxBitmap* WXUNUSED(pBitmap) -, void* WXUNUSED(pData) -, long WXUNUSED(lType) +, const void* WXUNUSED(pData) +, wxBitmapType WXUNUSED(lType) , int WXUNUSED(nWidth) , int WXUNUSED(nHeight) , int WXUNUSED(nDepth) ) { - return(FALSE); + return false; +} + +bool wxBitmapHandler::LoadFile( + wxBitmap* WXUNUSED(pBitmap) +, int WXUNUSED(nId) +, wxBitmapType WXUNUSED(lType) +, int WXUNUSED(nDesiredWidth) +, int WXUNUSED(nDesiredHeight) +) +{ + return false; } bool wxBitmapHandler::LoadFile( wxBitmap* WXUNUSED(pBitmap) , const wxString& WXUNUSED(rName) -, HPS WXUNUSED(hPs) -, long WXUNUSED(lType) +, wxBitmapType WXUNUSED(lType) , int WXUNUSED(nDesiredWidth) , int WXUNUSED(nDesiredHeight) ) { - return(FALSE); + return false; } bool wxBitmapHandler::SaveFile( wxBitmap* WXUNUSED(pBitmap) , const wxString& WXUNUSED(rName) -, int WXUNUSED(nType) +, wxBitmapType WXUNUSED(nType) , const wxPalette* WXUNUSED(pPalette) -) +) const { - return(FALSE); + return false; } // ---------------------------------------------------------------------------- @@ -1302,7 +1553,7 @@ HBITMAP wxInvertMask( { HBITMAP hBmpInvMask = 0; - wxCHECK_MSG( hBmpMask, 0, _T("invalid bitmap in wxInvertMask") ); + wxCHECK_MSG( hBmpMask, 0, wxT("invalid bitmap in wxInvertMask") ); // // Get width/height from the bitmap if not given @@ -1325,16 +1576,16 @@ HBITMAP wxInvertMask( HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC); HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC); - POINTL vPoint[4] = { 0 ,0, nWidth, nHeight, - 0, 0, nWidth, nHeight + POINTL vPoint[4] = { {0 ,0}, {nWidth, nHeight}, + {0, 0}, {nWidth, nHeight} }; - memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2)); - vBmih.cbFix = sizeof(BITMAPINFOHEADER2); + memset(&vBmih, '\0', 16); + vBmih.cbFix = 16; vBmih.cx = nWidth; vBmih.cy = nHeight; vBmih.cPlanes = 1; - vBmih.cBitCount = 1; + vBmih.cBitCount = 24; hBmpInvMask = ::GpiCreateBitmap( hPSDst ,&vBmih @@ -1361,3 +1612,84 @@ HBITMAP wxInvertMask( return hBmpInvMask; } // end of WxWinGdi_InvertMask + +HBITMAP wxCopyBmp( HBITMAP hBmp, bool flip, int nWidth, int nHeight ) +{ + wxCHECK_MSG( hBmp, 0, wxT("invalid bitmap in wxCopyBmp") ); + + // + // Get width/height from the bitmap if not given + // + if (!nWidth || !nHeight) + { + BITMAPINFOHEADER2 vBmhdr; + + vBmhdr.cbFix = 16; + ::GpiQueryBitmapInfoHeader( hBmp, + &vBmhdr ); + nWidth = (int)vBmhdr.cx; + nHeight = (int)vBmhdr.cy; + } + + BITMAPINFOHEADER2 vBmih; + SIZEL vSize = {0, 0}; + DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; + HDC hDCSrc = ::DevOpenDC( vHabmain, + OD_MEMORY, + "*", + 5L, + (PDEVOPENDATA)&vDop, + NULLHANDLE ); + HDC hDCDst = ::DevOpenDC( vHabmain, + OD_MEMORY, + "*", + 5L, + (PDEVOPENDATA)&vDop, + NULLHANDLE ); + HPS hPSSrc = ::GpiCreatePS( vHabmain, + hDCSrc, + &vSize, + PU_PELS | GPIA_ASSOC ); + HPS hPSDst = ::GpiCreatePS( vHabmain, + hDCDst, + &vSize, + PU_PELS | GPIA_ASSOC ); + POINTL vPoint[4] = { {0, nHeight}, + {nWidth, 0}, + {0, 0}, + {nWidth, nHeight} }; + if (!flip) + { + vPoint[0].y = 0; + vPoint[1].y = nHeight; + } + memset(&vBmih, '\0', 16); + vBmih.cbFix = 16; + vBmih.cx = nWidth; + vBmih.cy = nHeight; + vBmih.cPlanes = 1; + vBmih.cBitCount = 24; + + HBITMAP hInvBmp = ::GpiCreateBitmap( hPSDst, + &vBmih, + 0L, + NULL, + NULL ); + + ::GpiSetBitmap(hPSSrc, (HBITMAP) hBmp); + ::GpiSetBitmap(hPSDst, (HBITMAP) hInvBmp); + + ::GpiBitBlt( hPSDst, + hPSSrc, + 4L, + vPoint, + ROP_SRCCOPY, + BBO_IGNORE ); + + ::GpiDestroyPS(hPSSrc); + ::GpiDestroyPS(hPSDst); + ::DevCloseDC(hDCSrc); + ::DevCloseDC(hDCDst); + + return hInvBmp; +} // end of wxFlipBmp