X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3b9e3455225b670d30ee0fb67f8821ada9640f6d..fae5c452834a398c06a318e5da65cff7791eff2b:/src/os2/bitmap.cpp diff --git a/src/os2/bitmap.cpp b/src/os2/bitmap.cpp index 872a468db5..eb52b51de1 100644 --- a/src/os2/bitmap.cpp +++ b/src/os2/bitmap.cpp @@ -9,6 +9,10 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +#ifdef __GNUG__ + #pragma implementation "bitmap.h" +#endif + // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -34,12 +38,10 @@ // macros // ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARIES IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) -#endif // ============================================================================ // implementation @@ -55,7 +57,8 @@ wxBitmapRefData::wxBitmapRefData() m_pSelectedInto = NULL; m_nNumColors = 0; m_pBitmapMask = NULL; -} + m_hBitmap = (WXHBITMAP) NULL; +} // end of wxBitmapRefData::wxBitmapRefData void wxBitmapRefData::Free() { @@ -72,7 +75,7 @@ void wxBitmapRefData::Free() delete m_pBitmapMask; m_pBitmapMask = NULL; -} +} // end of wxBitmapRefData::Free // ---------------------------------------------------------------------------- // wxBitmap creation @@ -85,30 +88,38 @@ void wxBitmap::Init() if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -} +} // end of wxBitmap::Init bool wxBitmap::CopyFromIconOrCursor( const wxGDIImage& rIcon ) { + HPOINTER hIcon = (HPOINTER)rIcon.GetHandle(); + POINTERINFO SIconInfo; + + if (!::WinQueryPointerInfo(hIcon, &SIconInfo)) + { + wxLogLastError(wxT("WinQueryPointerInfo")); + return FALSE; + } wxBitmapRefData* pRefData = new wxBitmapRefData; m_refData = pRefData; - refData->m_width = rIcon.GetWidth(); - refData->m_height = rIcon.GetHeight(); - refData->m_depth = wxDisplayDepth(); + int nWidth = rIcon.GetWidth(); + int nHeight = rIcon.GetHeight(); - refData->m_hBitmap = (WXHBITMAP)rIcon.GetHandle(); - // no mask??? - refData->m_bitmapMask = new wxMask(); + pRefData->m_nWidth = nWidth; + pRefData->m_nHeight = nHeight; + pRefData->m_nDepth = wxDisplayDepth(); -#if WXWIN_COMPATIBILITY_2 - refData->m_ok = TRUE; -#endif // WXWIN_COMPATIBILITY_2 + pRefData->m_hBitmap = (WXHBITMAP)SIconInfo.hbmColor; + // + // No mask in the Info struct in OS/2 + // return(TRUE); -} +} // end of wxBitmap::CopyFromIconOrCursor bool wxBitmap::CopyFromCursor( const wxCursor& rCursor @@ -118,8 +129,8 @@ bool wxBitmap::CopyFromCursor( if (!rCursor.Ok()) return(FALSE); - return CopyFromIconOrCursor(wxGDIImage)rCursor); -} + return(CopyFromIconOrCursor(rCursor)); +} // end of wxBitmap::CopyFromCursor bool wxBitmap::CopyFromIcon( const wxIcon& rIcon @@ -130,18 +141,14 @@ bool wxBitmap::CopyFromIcon( if (!rIcon.Ok()) return(FALSE); -#if WXWIN_COMPATIBILITY_2 - refData->m_ok = TRUE; -#endif // WXWIN_COMPATIBILITY_2 - - return CopyFromIconOrCursor(icon); -} + return CopyFromIconOrCursor(rIcon); +} // end of wxBitmap::CopyFromIcon wxBitmap::~wxBitmap() { if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this); -} +} // end of wxBitmap::~wxBitmap wxBitmap::wxBitmap( const char zBits[] @@ -157,10 +164,10 @@ wxBitmap::wxBitmap( BITMAPINFO2 vInfo; HDC hDc; HPS hPs; - DEVOPENSTRUCT vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL }; + DEVOPENSTRUC vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL }; SIZEL vSize = {0, 0}; - wxAssert(vHabmain != NULL); + wxASSERT(vHabmain != NULL); hDc = ::DevOpenDC(vHabmain, OD_MEMORY, (PSZ)"*", 1L, (PDEVOPENDATA)&vDop, 0L); @@ -182,42 +189,58 @@ wxBitmap::wxBitmap( vHeader.ulColorEncoding = 0; vHeader.ulIdentifier = 0; - vhPs = ::GpiCreatePS(habMain, hdc, &vSize, GPIA_ASSOC | PU_PELS); - if (vhPs == 0) + hPs = ::GpiCreatePS(vHabmain, hDc, &vSize, GPIA_ASSOC | PU_PELS); + if (hPs == 0) { wxLogLastError("GpiCreatePS Failure"); } m_refData = pRefData; - refData->m_width = nTheWidth; - refData->m_height = nTheHeight; - refData->m_depth = nNoBits; - refData->m_numColors = 0; - refData->m_selectedInto = NULL; + pRefData->m_nWidth = nTheWidth; + pRefData->m_nHeight = nTheHeight; + pRefData->m_nDepth = nNoBits; + pRefData->m_nNumColors = 0; + pRefData->m_pSelectedInto = NULL; HBITMAP hBmp = ::GpiCreateBitmap(hPs, &vHeader, 0L, NULL, &vInfo); - if ( !hbmp ) + if (!hBmp) { wxLogLastError("CreateBitmap"); } - SetHBITMAP((WXHBITMAP)hbmp); -} + SetHBITMAP((WXHBITMAP)hBmp); +} // end of wxBitmap::wxBitmap +// // Create from XPM data +// wxBitmap::wxBitmap( char** ppData -, wxControl* WXUNUSED(pAnItem)) +) { Init(); -F (void)Create( (void *)ppData + (void)Create( (void *)ppData ,wxBITMAP_TYPE_XPM_DATA ,0 ,0 ,0 ); -} +} // end of wxBitmap::wxBitmap + +wxBitmap::wxBitmap( + const char** ppData +) +{ + Init(); + + (void)Create( (void *)ppData + ,wxBITMAP_TYPE_XPM_DATA + ,0 + ,0 + ,0 + ); +} // end of wxBitmap::wxBitmap wxBitmap::wxBitmap( int nW @@ -231,7 +254,7 @@ wxBitmap::wxBitmap( ,nH ,nD ); -} +} // end of wxBitmap::wxBitmap wxBitmap::wxBitmap( void* pData @@ -249,7 +272,7 @@ wxBitmap::wxBitmap( ,nHeight ,nDepth ); -} +} // end of wxBitmap::wxBitmap wxBitmap::wxBitmap( const wxString& rFilename @@ -261,7 +284,7 @@ wxBitmap::wxBitmap( LoadFile( rFilename ,(int)lType ); -} +} // end of wxBitmap::wxBitmap bool wxBitmap::Create( int nW @@ -271,224 +294,674 @@ bool wxBitmap::Create( { HBITMAP hBmp; BITMAPINFOHEADER2 vHeader; - BITMAPINFO2 vInfo; - HDC hDc; - HPS hPs; - DEVOPENSTRUCT vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL }; - SIZEL vSize = {0, 0}; - - wxAssert(vHabmain != NULL); - - hDc = ::DevOpenDC(vHabmain, OD_MEMORY, (PSZ)"*", 1L, (PDEVOPENDATA)&vDop, 0L); - - vHeader.cbFix = sizeof(vHeader); - vHeader.cx = (USHORT)nW; - vHeader.cy = (USHORT)nH; - vHeader.cPlanes = (USHORT)nD; - vHeader.cBitCount = 24; - 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; - - vhPs = ::GpiCreatePS(habMain, hdc, &vSize, GPIA_ASSOC | PU_PELS); - if (vhPs == 0) - { - wxLogLastError("GpiCreatePS Failure"); - } - + wxASSERT(vHabmain != NULL); UnRef(); m_refData = new wxBitmapRefData; - - GetBitmapData()->m_width = nW; - GetBitmapData()->m_height = nH; - GetBitmapData()->m_depth = nD; + GetBitmapData()->m_nWidth = nW; + GetBitmapData()->m_nHeight = nH; + GetBitmapData()->m_nDepth = nD; if (nD > 0) { - hBmp = ::GpiCreateBitmap(hPs, &vHeader, 0L, NULL, &vInfo); - if (!hBmp) - { - wxLogLastError("CreateBitmap"); - } + 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); + + memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2)); + vHeader.cbFix = sizeof(BITMAPINFOHEADER2); + vHeader.cx = nW; + vHeader.cy = nH; + vHeader.cPlanes = 1; + vHeader.cBitCount = nD; + + hBmp = ::GpiCreateBitmap( hPS + ,&vHeader + ,0L + ,NULL + ,NULL + ); + ::GpiDestroyPS(hPS); + ::DevCloseDC(hDC); } else { - ScreenHDC dc; - hbmp = ::CreateCompatibleBitmap(dc, w, h); - if ( !hbmp ) - { - wxLogLastError("CreateCompatibleBitmap"); - } - - GetBitmapData()->m_depth = wxDisplayDepth(); + HPS hPSScreen; + HDC hDCScreen; + LONG lBitCount; + + hPSScreen = ::WinGetScreenPS(HWND_DESKTOP); + hDCScreen = ::GpiQueryDevice(hPSScreen); + ::DevQueryCaps(hDCScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitCount); + + memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2)); + vHeader.cbFix = sizeof(BITMAPINFOHEADER2); + vHeader.cx = nW; + vHeader.cy = nH; + vHeader.cPlanes = 1; + vHeader.cBitCount = lBitCount; + + hBmp = ::GpiCreateBitmap( hPSScreen + ,&vHeader + ,0L + ,NULL + ,NULL + ); + + GetBitmapData()->m_nDepth = wxDisplayDepth(); + ::WinReleasePS(hPSScreen); } - - SetHBITMAP((WXHBITMAP)hbmp); + SetHBITMAP((WXHBITMAP)hBmp); #if WXWIN_COMPATIBILITY_2 - GetBitmapData()->m_ok = hbmp != 0; + GetBitmapData()->m_bOk = hBmp != 0; #endif // WXWIN_COMPATIBILITY_2 return Ok(); -} +} // end of wxBitmap::Create -bool wxBitmap::LoadFile(const wxString& filename, long type) +bool wxBitmap::LoadFile( + const wxString& rFilename +, long lType +) { + HPS hPs = NULLHANDLE; + UnRef(); - wxBitmapHandler *handler = wxDynamicCast(FindHandler(type), wxBitmapHandler); + wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType) + ,wxBitmapHandler + ); - if ( handler ) + if (pHandler) { m_refData = new wxBitmapRefData; - return handler->LoadFile(this, filename, type, -1, -1); + return(pHandler->LoadFile( this + ,rFilename + ,hPs + ,lType + , -1 + , -1 + )); } else { - wxImage image; - if ( !image.LoadFile( filename, type ) || !image.Ok() ) - return FALSE; + wxImage vImage; - *this = image.ConvertToBitmap(); + if (!vImage.LoadFile(rFilename, lType) || !vImage.Ok() ) + return(FALSE); - return TRUE; + *this = vImage.ConvertToBitmap(); + + return(TRUE); } -} +} // end of wxBitmap::LoadFile -bool wxBitmap::Create(void *data, long type, int width, int height, int depth) +bool wxBitmap::Create( + void* pData +, long lType +, int nWidth +, int nHeight +, int nDepth +) { UnRef(); - wxBitmapHandler *handler = wxDynamicCast(FindHandler(type), wxBitmapHandler); + wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType) + ,wxBitmapHandler + ); - if ( !handler ) + if (!pHandler) { wxLogDebug(wxT("Failed to create bitmap: no bitmap handler for " - "type %d defined."), type); + "type %d defined."), lType); - return FALSE; + return(FALSE); } m_refData = new wxBitmapRefData; - return handler->Create(this, data, type, width, height, depth); -} + return(pHandler->Create( this + ,pData + ,lType + ,nWidth + ,nHeight + ,nDepth + )); +} // end of wxBitmap::Create -bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette) +bool wxBitmap::SaveFile( + const wxString& rFilename +, int lType +, const wxPalette* pPalette +) { - wxBitmapHandler *handler = wxDynamicCast(FindHandler(type), wxBitmapHandler); + wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType) + ,wxBitmapHandler + ); - if ( handler ) + if (pHandler) { - return handler->SaveFile(this, filename, type, palette); + return pHandler->SaveFile( this + ,rFilename + ,lType + ,pPalette + ); } else { // FIXME what about palette? shouldn't we use it? - wxImage image( *this ); - if (!image.Ok()) - return FALSE; + wxImage vImage(*this); - return image.SaveFile( filename, type ); + if (!vImage.Ok()) + return(FALSE); + + return(vImage.SaveFile( rFilename + ,lType + )); } -} +} // end of wxBitmap::SaveFile + // ---------------------------------------------------------------------------- -// wxBitmap accessors +// wxImage-wxBitmap convertion // ---------------------------------------------------------------------------- -void wxBitmap::SetQuality(int q) +bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) { - EnsureHasData(); + 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 ) + { + padding = sizeDWORD - lineBoundary; + bytePerLine += padding; + } + // calc the number of DIBs and heights of DIBs + int numDIB = 1; + int hRemain = 0; + int height = sizeLimit/bytePerLine; + if( height >= bmpHeight ) + height = bmpHeight; + else + { + numDIB = bmpHeight / height; + hRemain = bmpHeight % height; + if( hRemain >0 ) numDIB++; + } - GetBitmapData()->m_quality = q; -} + // 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") ); + // 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 ) + { + wxFAIL_MSG( wxT("could not allocate memory for DIB") ); + free( lpDIBh ); + return bitmap; + } -#if WXWIN_COMPATIBILITY_2 -void wxBitmap::SetOk(bool isOk) -{ - EnsureHasData(); + // 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 ) + { + // 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; + } + ptbits = lpBits; - GetBitmapData()->m_ok = isOk; -} -#endif // WXWIN_COMPATIBILITY_2 + 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 ); + } + bitmap.SetHBITMAP( (WXHBITMAP) hbitmap ); -void wxBitmap::SetPalette(const wxPalette& palette) -{ - EnsureHasData(); + // similarly, created an mono-bitmap for the possible mask + if( 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 ) + { + // 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; + } + ptbits = lpBits; + for( int j=0; jSetMaskBitmap( (WXHBITMAP) hbitmap ); + bitmap.SetMask( mask ); + } - GetBitmapData()->m_bitmapPalette = palette; -} + // free allocated resources + ::SelectObject( memdc, 0 ); + ::DeleteDC( memdc ); + ::ReleaseDC(NULL, hdc); + free(lpDIBh); + free(lpBits); -void wxBitmap::SetMask(wxMask *mask) -{ - EnsureHasData(); + // check the wxBitmap object + if( bitmap.GetHBITMAP() ) + bitmap.SetOk( TRUE ); + else + bitmap.SetOk( FALSE ); +*/ - GetBitmapData()->m_bitmapMask = mask; + return TRUE; } -// Creates a bitmap that matches the device context, from -// an arbitray bitmap. At present, the original bitmap must have an -// associated palette. TODO: use a default palette if no palette exists. -// Contributed by Frederic Villeneuve -wxBitmap wxBitmap::GetBitmapForDC(wxDC& dc) const +wxImage wxBitmap::ConvertToImage() const { - wxMemoryDC memDC; - wxBitmap tmpBitmap(this->GetWidth(), this->GetHeight(), dc.GetDepth()); - HPALETTE hPal = (HPALETTE) NULL; - LPBITMAPINFO lpDib; - void *lpBits = (void*) NULL; + wxImage image; + + 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 ) + { + wxFAIL_MSG( wxT("could not allocate data for image") ); + return wxNullImage; + } - if( GetPalette() && GetPalette()->Ok() ) + // 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 ) { - tmpBitmap.SetPalette(*GetPalette()); - memDC.SelectObject(tmpBitmap); - memDC.SetPalette(*GetPalette()); - hPal = (HPALETTE)GetPalette()->GetHPALETTE(); + padding = sizeDWORD - lineBoundary; + bytePerLine += padding; + } +// TODO: +/* + // create a DIB header + int headersize = sizeof(BITMAPINFOHEADER); + LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); + if( !lpDIBh ) + { + wxFAIL_MSG( wxT("could not allocate data for DIB header") ); + free( data ); + return; + } + // 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 ) + { + wxFAIL_MSG( wxT("could not allocate data for DIB") ); + free( data ); + free( lpDIBh ); + return; + } + + // 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() ) + { + 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; + ptbits = lpBits; + for( i=0; i= 0) && (rRect.y >= 0) && + (rRect.x + rRect.width <= GetWidth()) && + (rRect.y + rRect.height <= GetHeight()), + wxNullBitmap, wxT("Invalid bitmap or bitmap region") ); + + wxBitmap vRet( rRect.width + ,rRect.height + ,GetDepth() + ); + wxASSERT_MSG( vRet.Ok(), wxT("GetSubBitmap error") ); + + + // + // Copy bitmap data + // + 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] = { rRect.x, rRect.y, + rRect.x + rRect.width, rRect.y + rRect.height, + 0, 0, GetWidth(), GetHeight() + }; + + ::GpiSetBitmap(hPSSrc, (HBITMAP) GetHBITMAP()); + ::GpiSetBitmap(hPSDst, (HBITMAP) vRet.GetHBITMAP()); + ::GpiBitBlt( hPSDst + ,hPSSrc + ,4L + ,vPoint + ,ROP_SRCCOPY + ,BBO_IGNORE + ); + + // + // Copy mask if there is one + // + if (GetMask()) { - return wxNullBitmap; + BITMAPINFOHEADER2 vBmih; + + memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2)); + vBmih.cbFix = sizeof(BITMAPINFOHEADER2); + vBmih.cx = rRect.width; + vBmih.cy = rRect.height; + vBmih.cPlanes = 1; + vBmih.cBitCount = 1; + + HBITMAP hBmpMask = ::GpiCreateBitmap( hPSDst + ,&vBmih + ,0L + ,NULL + ,NULL + ); + + ::GpiSetBitmap(hPSSrc, (HBITMAP) GetHBITMAP()); + ::GpiSetBitmap(hPSDst, (HBITMAP) vRet.GetHBITMAP()); + + ::GpiSetBitmap(hPSSrc, (HBITMAP) GetMask()->GetMaskBitmap()); + ::GpiSetBitmap(hPSDst, (HBITMAP) hBmpMask); + ::GpiBitBlt( hPSDst + ,hPSSrc + ,4L + ,vPoint + ,ROP_SRCCOPY + ,BBO_IGNORE + ); + + wxMask* pMask = new wxMask((WXHBITMAP)hBmpMask); + vRet.SetMask(pMask); } - lpBits = malloc(lpDib->bmiHeader.biSizeImage); + ::GpiSetBitmap(hPSSrc, NULL); + ::GpiSetBitmap(hPSDst, NULL); + ::GpiDestroyPS(hPSSrc); + ::GpiDestroyPS(hPSDst); + ::DevCloseDC(hDCSrc); + ::DevCloseDC(hDCDst); + return vRet; +} // end of wxBitmap::GetSubBitmap + +// ---------------------------------------------------------------------------- +// wxBitmap accessors +// ---------------------------------------------------------------------------- - ::GetBitmapBits(GetHbitmap(), lpDib->bmiHeader.biSizeImage, lpBits); +void wxBitmap::SetQuality( + int nQ +) +{ + EnsureHasData(); - ::SetDIBitsToDevice(GetHdcOf(memDC), 0, 0, - GetWidth(), GetHeight(), - 0, 0, 0, GetHeight(), - lpBits, lpDib, DIB_RGB_COLORS); + GetBitmapData()->m_nQuality = nQ; +} // end of wxBitmap::SetQuality - free(lpBits); +#if WXWIN_COMPATIBILITY_2 +void wxBitmap::SetOk( + bool bOk +) +{ + EnsureHasData(); - wxFreeDIB(lpDib); + GetBitmapData()->m_bOk = bOk; +} // end of wxBitmap::SetOk +#endif // WXWIN_COMPATIBILITY_2 - return tmpBitmap; -} +void wxBitmap::SetPalette( + const wxPalette& rPalette +) +{ + EnsureHasData(); + + GetBitmapData()->m_vBitmapPalette = rPalette; +} // end of wxBitmap::SetPalette + +void wxBitmap::SetMask( + wxMask* pMask +) +{ + EnsureHasData(); + + 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 +{ + 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); +} // end of wxBitmap::GetBitmapForDC // ---------------------------------------------------------------------------- // wxMask @@ -496,250 +969,404 @@ wxBitmap wxBitmap::GetBitmapForDC(wxDC& dc) const wxMask::wxMask() { - m_maskBitmap = 0; -} + m_hMaskBitmap = 0; +} // end of wxMask::wxMask // Construct a mask from a bitmap and a colour indicating // the transparent area -wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour) +wxMask::wxMask( + const wxBitmap& rBitmap +, const wxColour& rColour +) { - m_maskBitmap = 0; - Create(bitmap, colour); -} + m_hMaskBitmap = 0; + Create( rBitmap + ,rColour + ); +} // end of wxMask::wxMask // Construct a mask from a bitmap and a palette index indicating // the transparent area -wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex) +wxMask::wxMask( + const wxBitmap& rBitmap +, int nPaletteIndex +) { - m_maskBitmap = 0; - Create(bitmap, paletteIndex); -} + m_hMaskBitmap = 0; + Create( rBitmap + ,nPaletteIndex + ); +} // end of wxMask::wxMask // Construct a mask from a mono bitmap (copies the bitmap). -wxMask::wxMask(const wxBitmap& bitmap) +wxMask::wxMask( + const wxBitmap& rBitmap +) { - m_maskBitmap = 0; - Create(bitmap); -} + m_hMaskBitmap = 0; + Create(rBitmap); +} // end of wxMask::wxMask wxMask::~wxMask() { - if ( m_maskBitmap ) - ::DeleteObject((HBITMAP) m_maskBitmap); -} + if (m_hMaskBitmap) + ::GpiDeleteBitmap((HBITMAP)m_hMaskBitmap); +} // end of wxMask::~wxMask // Create a mask from a mono bitmap (copies the bitmap). -bool wxMask::Create(const wxBitmap& bitmap) +bool wxMask::Create( + const wxBitmap& rBitmap +) { - if ( m_maskBitmap ) + 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 ,0, rBitmap.GetWidth(), rBitmap.GetHeight(), + 0, 0, rBitmap.GetWidth(), rBitmap.GetHeight() + }; + + if (m_hMaskBitmap) { - ::DeleteObject((HBITMAP) m_maskBitmap); - m_maskBitmap = 0; + ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap); + m_hMaskBitmap = 0; } - if (!bitmap.Ok() || bitmap.GetDepth() != 1) + if (!rBitmap.Ok() || rBitmap.GetDepth() != 1) { - return FALSE; + return(FALSE); } - m_maskBitmap = (WXHBITMAP) CreateBitmap( - bitmap.GetWidth(), - bitmap.GetHeight(), - 1, 1, 0 - ); - HDC srcDC = CreateCompatibleDC(0); - SelectObject(srcDC, (HBITMAP) bitmap.GetHBITMAP()); - HDC destDC = CreateCompatibleDC(0); - SelectObject(destDC, (HBITMAP) m_maskBitmap); - BitBlt(destDC, 0, 0, bitmap.GetWidth(), bitmap.GetHeight(), srcDC, 0, 0, SRCCOPY); - SelectObject(srcDC, 0); - DeleteDC(srcDC); - SelectObject(destDC, 0); - DeleteDC(destDC); - return TRUE; -} + + memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2)); + vBmih.cbFix = sizeof(BITMAPINFOHEADER2); + vBmih.cx = rBitmap.GetWidth(); + vBmih.cy = rBitmap.GetHeight(); + vBmih.cPlanes = 1; + vBmih.cBitCount = 1; + + m_hMaskBitmap = ::GpiCreateBitmap( hPSDst + ,&vBmih + ,0L + ,NULL + ,NULL + ); + + ::GpiSetBitmap(hPSSrc, (HBITMAP) rBitmap.GetHBITMAP()); + ::GpiSetBitmap(hPSDst, (HBITMAP) m_hMaskBitmap); + ::GpiBitBlt( hPSDst + ,hPSSrc + ,4L + ,vPoint + ,ROP_SRCCOPY + ,BBO_IGNORE + ); + + ::GpiDestroyPS(hPSSrc); + ::GpiDestroyPS(hPSDst); + ::DevCloseDC(hDCSrc); + ::DevCloseDC(hDCDst); + return(TRUE); +} // end of wxMask::Create // Create a mask from a bitmap and a palette index indicating // the transparent area -bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex) +bool wxMask::Create( + const wxBitmap& rBitmap +, int nPaletteIndex +) { - if ( m_maskBitmap ) + if (m_hMaskBitmap) { - ::DeleteObject((HBITMAP) m_maskBitmap); - m_maskBitmap = 0; + ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap); + m_hMaskBitmap = 0; } - if (bitmap.Ok() && bitmap.GetPalette()->Ok()) + if (rBitmap.Ok() && rBitmap.GetPalette()->Ok()) { - unsigned char red, green, blue; - if (bitmap.GetPalette()->GetRGB(paletteIndex, &red, &green, &blue)) + unsigned char cRed; + unsigned char cGreen; + unsigned char cBlue; + + if (rBitmap.GetPalette()->GetRGB( nPaletteIndex + ,&cRed + ,&cGreen + ,&cBlue + )) { - wxColour transparentColour(red, green, blue); - return Create(bitmap, transparentColour); + wxColour vTransparentColour( cRed + ,cGreen + ,cBlue + ); + + return (Create( rBitmap + ,vTransparentColour + )); } } - return FALSE; -} + return(FALSE); +} // end of wxMask::Create // Create a mask from a bitmap and a colour indicating // the transparent area -bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) +bool wxMask::Create( + const wxBitmap& rBitmap +, const wxColour& rColour +) { - if ( m_maskBitmap ) + bool bOk = TRUE; + COLORREF vMaskColour = OS2RGB( rColour.Red() + ,rColour.Green() + ,rColour.Blue() + ); + BITMAPINFOHEADER2 vBmih; + SIZEL vSize = {0, 0}; + DEVOPENSTRUC vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL }; + 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 ,0, rBitmap.GetWidth(), rBitmap.GetHeight(), + 0, 0, rBitmap.GetWidth(), rBitmap.GetHeight() + }; + + if (m_hMaskBitmap) { - ::DeleteObject((HBITMAP) m_maskBitmap); - m_maskBitmap = 0; + ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap); + m_hMaskBitmap = 0; } - if (!bitmap.Ok()) + if (!rBitmap.Ok()) { - return FALSE; + return(FALSE); } - // scan the bitmap for the transparent colour and set + // + // Scan the bitmap for the transparent colour and set // the corresponding pixels in the mask to BLACK and // the rest to WHITE - COLORREF maskColour = RGB(colour.Red(), colour.Green(), colour.Blue()); - m_maskBitmap = (WXHBITMAP) ::CreateBitmap( - bitmap.GetWidth(), - bitmap.GetHeight(), - 1, 1, 0 - ); - HDC srcDC = ::CreateCompatibleDC(0); - ::SelectObject(srcDC, (HBITMAP) bitmap.GetHBITMAP()); - HDC destDC = ::CreateCompatibleDC(0); - ::SelectObject(destDC, (HBITMAP) m_maskBitmap); - - // this is not very efficient, but I can't think + // + + memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2)); + vBmih.cbFix = sizeof(BITMAPINFOHEADER2); + vBmih.cx = rBitmap.GetWidth(); + vBmih.cy = rBitmap.GetHeight(); + vBmih.cPlanes = 1; + vBmih.cBitCount = 1; + + m_hMaskBitmap = ::GpiCreateBitmap( hPSDst + ,&vBmih + ,0L + ,NULL + ,NULL + ); + + ::GpiSetBitmap(hPSSrc, (HBITMAP) rBitmap.GetHBITMAP()); + ::GpiSetBitmap(hPSDst, (HBITMAP) m_hMaskBitmap); + + // + // This is not very efficient, but I can't think // of a better way of doing it - for (int w = 0; w < bitmap.GetWidth(); w++) + // + for (int w = 0; w < rBitmap.GetWidth(); w++) { - for (int h = 0; h < bitmap.GetHeight(); h++) + for (int h = 0; h < rBitmap.GetHeight(); h++) { - COLORREF col = GetPixel(srcDC, w, h); - if (col == maskColour) + POINTL vPt = {w, h}; + COLORREF vCol = (COLORREF)::GpiQueryPel(hPSSrc, &vPt); + if (vCol == (COLORREF)CLR_NOINDEX) { - ::SetPixel(destDC, w, h, RGB(0, 0, 0)); + // + // Doesn't make sense to continue + // + bOk = FALSE; + break; + } + + if (vCol == vMaskColour) + { + ::GpiSetColor(hPSDst, OS2RGB(0, 0, 0)); + ::GpiSetPel(hPSDst, &vPt); } else { - ::SetPixel(destDC, w, h, RGB(255, 255, 255)); + ::GpiSetColor(hPSDst, OS2RGB(255, 255, 255)); + ::GpiSetPel(hPSDst, &vPt); } } } - ::SelectObject(srcDC, 0); - ::DeleteDC(srcDC); - ::SelectObject(destDC, 0); - ::DeleteDC(destDC); - return TRUE; -} + ::GpiSetBitmap(hPSSrc, NULL); + ::GpiSetBitmap(hPSDst, NULL); + ::GpiDestroyPS(hPSSrc); + ::GpiDestroyPS(hPSDst); + ::DevCloseDC(hDCSrc); + ::DevCloseDC(hDCDst); + return(TRUE); +} // end of wxMask::Create // ---------------------------------------------------------------------------- // wxBitmapHandler // ---------------------------------------------------------------------------- -bool wxBitmapHandler::Create(wxGDIImage *image, - void *data, - long flags, - int width, int height, int depth) +bool wxBitmapHandler::Create( + wxGDIImage* pImage +, void* pData +, long lFlags +, int nWidth +, int nHeight +, int nDepth +) { - wxBitmap *bitmap = wxDynamicCast(image, wxBitmap); - - return bitmap ? Create(bitmap, data, width, height, depth) : FALSE; + wxBitmap* pBitmap = wxDynamicCast( pImage + ,wxBitmap + ); + + return(pBitmap ? Create( pBitmap + ,pData + ,nWidth + ,nHeight + ,nDepth + ) : FALSE); } -bool wxBitmapHandler::Load(wxGDIImage *image, - const wxString& name, - long flags, - int width, int height) +bool wxBitmapHandler::Load( + wxGDIImage* pImage +, const wxString& rName +, HPS hPs +, long lFlags +, int nWidth +, int nHeight +) { - wxBitmap *bitmap = wxDynamicCast(image, wxBitmap); - - return bitmap ? LoadFile(bitmap, name, flags, width, height) : FALSE; + wxBitmap* pBitmap = wxDynamicCast( pImage + ,wxBitmap + ); + + return(pBitmap ? LoadFile( pBitmap + ,rName + ,hPs + ,lFlags + ,nWidth + ,nHeight + ) : FALSE); } -bool wxBitmapHandler::Save(wxGDIImage *image, - const wxString& name, - int type) +bool wxBitmapHandler::Save( + wxGDIImage* pImage +, const wxString& rName +, int lType +) { - wxBitmap *bitmap = wxDynamicCast(image, wxBitmap); - - return bitmap ? SaveFile(bitmap, name, type) : FALSE; + wxBitmap* pBitmap = wxDynamicCast( pImage + ,wxBitmap + ); + + return(pBitmap ? SaveFile( pBitmap + ,rName + ,lType + ) : FALSE); } -bool wxBitmapHandler::Create(wxBitmap *WXUNUSED(bitmap), - void *WXUNUSED(data), - long WXUNUSED(type), - int WXUNUSED(width), - int WXUNUSED(height), - int WXUNUSED(depth)) +bool wxBitmapHandler::Create( + wxBitmap* WXUNUSED(pBitmap) +, void* WXUNUSED(pData) +, long WXUNUSED(lType) +, int WXUNUSED(nWidth) +, int WXUNUSED(nHeight) +, int WXUNUSED(nDepth) +) { - return FALSE; + return(FALSE); } -bool wxBitmapHandler::LoadFile(wxBitmap *WXUNUSED(bitmap), - const wxString& WXUNUSED(name), - long WXUNUSED(type), - int WXUNUSED(desiredWidth), - int WXUNUSED(desiredHeight)) +bool wxBitmapHandler::LoadFile( + wxBitmap* WXUNUSED(pBitmap) +, const wxString& WXUNUSED(rName) +, HPS WXUNUSED(hPs) +, long WXUNUSED(lType) +, int WXUNUSED(nDesiredWidth) +, int WXUNUSED(nDesiredHeight) +) { - return FALSE; + return(FALSE); } -bool wxBitmapHandler::SaveFile(wxBitmap *WXUNUSED(bitmap), - const wxString& WXUNUSED(name), - int WXUNUSED(type), - const wxPalette *WXUNUSED(palette)) +bool wxBitmapHandler::SaveFile( + wxBitmap* WXUNUSED(pBitmap) +, const wxString& WXUNUSED(rName) +, int WXUNUSED(nType) +, const wxPalette* WXUNUSED(pPalette) +) { - return FALSE; + return(FALSE); } // ---------------------------------------------------------------------------- -// DIB functions +// Utility functions // ---------------------------------------------------------------------------- - -bool wxCreateDIB(long xSize, long ySize, long bitsPerPixel, - HPALETTE hPal, LPBITMAPINFO* lpDIBHeader) +HBITMAP wxInvertMask( + HBITMAP hBmpMask +, int nWidth +, int nHeight +) { - unsigned long i, headerSize; - LPBITMAPINFO lpDIBheader = NULL; - LPPALETTEENTRY lpPe = NULL; + HBITMAP hBmpInvMask = 0; + wxCHECK_MSG( hBmpMask, 0, _T("invalid bitmap in wxInvertMask") ); - // Allocate space for a DIB header - headerSize = (sizeof(BITMAPINFOHEADER) + (256 * sizeof(PALETTEENTRY))); - lpDIBheader = (BITMAPINFO *) malloc(headerSize); - lpPe = (PALETTEENTRY *)((BYTE*)lpDIBheader + sizeof(BITMAPINFOHEADER)); - - GetPaletteEntries(hPal, 0, 256, lpPe); - - memset(lpDIBheader, 0x00, sizeof(BITMAPINFOHEADER)); - - // Fill in the static parts of the DIB header - lpDIBheader->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - lpDIBheader->bmiHeader.biWidth = xSize; - lpDIBheader->bmiHeader.biHeight = ySize; - lpDIBheader->bmiHeader.biPlanes = 1; - - // this value must be 1, 4, 8 or 24 so PixelDepth can only be - lpDIBheader->bmiHeader.biBitCount = (WORD)(bitsPerPixel); - lpDIBheader->bmiHeader.biCompression = BI_RGB; - lpDIBheader->bmiHeader.biSizeImage = xSize * abs(ySize) * bitsPerPixel >> 3; - lpDIBheader->bmiHeader.biClrUsed = 256; - - - // Initialize the DIB palette - for (i = 0; i < 256; i++) { - lpDIBheader->bmiColors[i].rgbReserved = lpPe[i].peFlags; - lpDIBheader->bmiColors[i].rgbRed = lpPe[i].peRed; - lpDIBheader->bmiColors[i].rgbGreen = lpPe[i].peGreen; - lpDIBheader->bmiColors[i].rgbBlue = lpPe[i].peBlue; - } - - *lpDIBHeader = lpDIBheader; - - return TRUE; -} - -void wxFreeDIB(LPBITMAPINFO lpDIBHeader) -{ - free(lpDIBHeader); -} + // + // Get width/height from the bitmap if not given + // + if (!nWidth || !nHeight) + { + BITMAPINFOHEADER2 vBmhdr; + ::GpiQueryBitmapInfoHeader( hBmpMask + ,&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 ,0, nWidth, nHeight, + 0, 0, nWidth, nHeight + }; + + memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2)); + vBmih.cbFix = sizeof(BITMAPINFOHEADER2); + vBmih.cx = nWidth; + vBmih.cy = nHeight; + vBmih.cPlanes = 1; + vBmih.cBitCount = 1; + + hBmpInvMask = ::GpiCreateBitmap( hPSDst + ,&vBmih + ,0L + ,NULL + ,NULL + ); + + ::GpiSetBitmap(hPSSrc, (HBITMAP) hBmpMask); + ::GpiSetBitmap(hPSDst, (HBITMAP) hBmpInvMask); + + ::GpiBitBlt( hPSDst + ,hPSSrc + ,4L + ,vPoint + ,ROP_SRCINVERT + ,BBO_IGNORE + ); + + ::GpiDestroyPS(hPSSrc); + ::GpiDestroyPS(hPSDst); + ::DevCloseDC(hDCSrc); + ::DevCloseDC(hDCDst); + + return hBmpInvMask; +} // end of WxWinGdi_InvertMask