X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d88de032d3009be88d0f0ba4a882784aa9493331..88594d02eb59a55ac85d3210a49d02918124617b:/src/os2/bitmap.cpp diff --git a/src/os2/bitmap.cpp b/src/os2/bitmap.cpp index 93ea059994..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" @@ -27,535 +31,1342 @@ #include "wx/os2/private.h" #include "wx/log.h" +//#include "wx/msw/dib.h" +#include "wx/image.h" + // ---------------------------------------------------------------------------- // macros // ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARIES IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) -#endif -wxBitmapRefData::wxBitmapRefData() -{ - m_ok = FALSE; - m_width = 0; - m_height = 0; - m_depth = 0; - m_quality = 0; - m_hBitmap = 0 ; - m_selectedInto = NULL; - m_numColors = 0; - m_bitmapMask = NULL; -} +IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) -wxBitmapRefData::~wxBitmapRefData() -{ - if (m_selectedInto) - { - wxChar buf[200]; - wxSprintf(buf, wxT("Bitmap was deleted without selecting out of wxMemoryDC %lX."), (unsigned long) m_selectedInto); - wxFatalError(buf); - } - if (m_hBitmap) - { -// TODO: DeleteObject((HBITMAP) m_hBitmap); - } - m_hBitmap = 0 ; - - if (m_bitmapMask) - delete m_bitmapMask; - m_bitmapMask = NULL; -} +// ============================================================================ +// implementation +// ============================================================================ -wxList wxBitmap::sm_handlers; +// ---------------------------------------------------------------------------- +// wxBitmapRefData +// ---------------------------------------------------------------------------- -wxBitmap::wxBitmap() +wxBitmapRefData::wxBitmapRefData() { - m_refData = NULL; - - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} - -wxBitmap::wxBitmap(const wxBitmap& bitmap) + m_nQuality = 0; + m_pSelectedInto = NULL; + m_nNumColors = 0; + m_pBitmapMask = NULL; + m_hBitmap = (WXHBITMAP) NULL; +} // end of wxBitmapRefData::wxBitmapRefData + +void wxBitmapRefData::Free() { -// TODO: -/* - wxIcon *icon = wxDynamicCast(&bitmap, wxIcon); - if ( icon ) - { - HDC hdc = ::CreateCompatibleDC(NULL); // screen DC - HBITMAP hbitmap = ::CreateCompatibleBitmap(hdc, - icon->GetWidth(), - icon->GetHeight()); - ::SelectObject(hdc, hbitmap); - ::DrawIcon(hdc, 0, 0, (HICON)icon->GetHICON()); - - ::DeleteDC(hdc); + wxASSERT_MSG( !m_pSelectedInto, + wxT("deleting bitmap still selected into wxMemoryDC") ); - SetHBITMAP((WXHBITMAP)hbitmap); - } - else + if (m_hBitmap) { - Ref(bitmap); + if ( !::GpiDeleteBitmap((HBITMAP)m_hBitmap) ) + { + wxLogLastError("GpiDeleteBitmap(hbitmap)"); + } } - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -*/ -} + delete m_pBitmapMask; + m_pBitmapMask = NULL; +} // end of wxBitmapRefData::Free -wxBitmap::~wxBitmap() +// ---------------------------------------------------------------------------- +// wxBitmap creation +// ---------------------------------------------------------------------------- + +// this function should be called from all wxBitmap ctors +void wxBitmap::Init() { + // m_refData = NULL; done in the base class ctor + if (wxTheBitmapList) - wxTheBitmapList->DeleteObject(this); -} + wxTheBitmapList->AddBitmap(this); +} // end of wxBitmap::Init -bool wxBitmap::FreeResource(bool WXUNUSED(force)) +bool wxBitmap::CopyFromIconOrCursor( + const wxGDIImage& rIcon +) { - if ( !M_BITMAPDATA ) - return FALSE; + HPOINTER hIcon = (HPOINTER)rIcon.GetHandle(); + POINTERINFO SIconInfo; - if (M_BITMAPDATA->m_selectedInto) - { - wxChar buf[200]; - wxSprintf(buf, wxT("Bitmap %lX was deleted without selecting out of wxMemoryDC %lX."), (unsigned long) this, (unsigned long) M_BITMAPDATA->m_selectedInto); - wxFatalError(buf); - } - if (M_BITMAPDATA->m_hBitmap) - { -// TODO: DeleteObject((HBITMAP) M_BITMAPDATA->m_hBitmap); - } - M_BITMAPDATA->m_hBitmap = 0 ; - -/* - if (M_BITMAPDATA->m_bitmapPalette) - delete M_BITMAPDATA->m_bitmapPalette; + if (!::WinQueryPointerInfo(hIcon, &SIconInfo)) + { + wxLogLastError(wxT("WinQueryPointerInfo")); + return FALSE; + } + wxBitmapRefData* pRefData = new wxBitmapRefData; - M_BITMAPDATA->m_bitmapPalette = NULL ; -*/ + m_refData = pRefData; - return TRUE; -} + int nWidth = rIcon.GetWidth(); + int nHeight = rIcon.GetHeight(); + pRefData->m_nWidth = nWidth; + pRefData->m_nHeight = nHeight; + pRefData->m_nDepth = wxDisplayDepth(); -wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits) -{ - m_refData = new wxBitmapRefData; + pRefData->m_hBitmap = (WXHBITMAP)SIconInfo.hbmColor; - M_BITMAPDATA->m_width = the_width ; - M_BITMAPDATA->m_height = the_height ; - M_BITMAPDATA->m_depth = no_bits ; - M_BITMAPDATA->m_numColors = 0; + // + // No mask in the Info struct in OS/2 + // + return(TRUE); +} // end of wxBitmap::CopyFromIconOrCursor - /* TODO: create the bitmap from data */ +bool wxBitmap::CopyFromCursor( + const wxCursor& rCursor +) +{ + UnRef(); - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + if (!rCursor.Ok()) + return(FALSE); + return(CopyFromIconOrCursor(rCursor)); +} // end of wxBitmap::CopyFromCursor -// Create from XPM data -wxBitmap::wxBitmap(char **data, wxControl *WXUNUSED(anItem)) +bool wxBitmap::CopyFromIcon( + const wxIcon& rIcon +) { - (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); -} + UnRef(); -wxBitmap::wxBitmap(int w, int h, int d) -{ - (void)Create(w, h, d); + if (!rIcon.Ok()) + return(FALSE); - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + return CopyFromIconOrCursor(rIcon); +} // end of wxBitmap::CopyFromIcon -wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth) +wxBitmap::~wxBitmap() { - (void) Create(data, type, width, height, depth); + if (wxTheBitmapList) + wxTheBitmapList->DeleteObject(this); +} // end of wxBitmap::~wxBitmap + +wxBitmap::wxBitmap( + const char zBits[] +, int nTheWidth +, int nTheHeight +, int nNoBits +) +{ + Init(); + + wxBitmapRefData* pRefData = new wxBitmapRefData; + BITMAPINFOHEADER2 vHeader; + BITMAPINFO2 vInfo; + HDC hDc; + HPS hPs; + DEVOPENSTRUC 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)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; + + hPs = ::GpiCreatePS(vHabmain, hDc, &vSize, GPIA_ASSOC | PU_PELS); + if (hPs == 0) + { + wxLogLastError("GpiCreatePS Failure"); + } - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + m_refData = pRefData; -wxBitmap::wxBitmap(const wxString& filename, long type) -{ - LoadFile(filename, (int)type); + pRefData->m_nWidth = nTheWidth; + pRefData->m_nHeight = nTheHeight; + pRefData->m_nDepth = nNoBits; + pRefData->m_nNumColors = 0; + pRefData->m_pSelectedInto = NULL; - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + HBITMAP hBmp = ::GpiCreateBitmap(hPs, &vHeader, 0L, NULL, &vInfo); + if (!hBmp) + { + wxLogLastError("CreateBitmap"); + } + SetHBITMAP((WXHBITMAP)hBmp); +} // end of wxBitmap::wxBitmap -bool wxBitmap::Create(int w, int h, int d) +// +// Create from XPM data +// +wxBitmap::wxBitmap( + char** ppData +) { - UnRef(); + Init(); + + (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 +, int nH +, int nD +) +{ + Init(); + + (void)Create( nW + ,nH + ,nD + ); +} // end of wxBitmap::wxBitmap + +wxBitmap::wxBitmap( + void* pData +, long lType +, int nWidth +, int nHeight +, int nDepth +) +{ + Init(); + + (void)Create( pData + ,lType + ,nWidth + ,nHeight + ,nDepth + ); +} // end of wxBitmap::wxBitmap + +wxBitmap::wxBitmap( + const wxString& rFilename +, long lType +) +{ + Init(); + + LoadFile( rFilename + ,(int)lType + ); +} // end of wxBitmap::wxBitmap + +bool wxBitmap::Create( + int nW +, int nH +, int nD +) +{ + HBITMAP hBmp; + BITMAPINFOHEADER2 vHeader; + wxASSERT(vHabmain != NULL); + UnRef(); m_refData = new wxBitmapRefData; + GetBitmapData()->m_nWidth = nW; + GetBitmapData()->m_nHeight = nH; + GetBitmapData()->m_nDepth = nD; - M_BITMAPDATA->m_width = w; - M_BITMAPDATA->m_height = h; - M_BITMAPDATA->m_depth = d; + if (nD > 0) + { + 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 + { + 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); - /* TODO: create new bitmap */ +#if WXWIN_COMPATIBILITY_2 + GetBitmapData()->m_bOk = hBmp != 0; +#endif // WXWIN_COMPATIBILITY_2 - return M_BITMAPDATA->m_ok; -} + return Ok(); +} // end of wxBitmap::Create -bool wxBitmap::LoadFile(const wxString& filename, long type) +bool wxBitmap::LoadFile( + const wxString& rFilename +, long lType +) { - UnRef(); + HPS hPs = NULLHANDLE; - m_refData = new wxBitmapRefData; + UnRef(); - wxBitmapHandler *handler = FindHandler(type); + wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType) + ,wxBitmapHandler + ); - if ( handler == NULL ) { - wxLogWarning("no bitmap handler for type %d defined.", type); + if (pHandler) + { + m_refData = new wxBitmapRefData; - return FALSE; + return(pHandler->LoadFile( this + ,rFilename + ,hPs + ,lType + , -1 + , -1 + )); } + else + { + wxImage vImage; - return handler->LoadFile(this, filename, type, -1, -1); -} + if (!vImage.LoadFile(rFilename, lType) || !vImage.Ok() ) + return(FALSE); -bool wxBitmap::Create(void *data, long type, int width, int height, int depth) + *this = vImage.ConvertToBitmap(); + + return(TRUE); + } +} // end of wxBitmap::LoadFile + +bool wxBitmap::Create( + void* pData +, long lType +, int nWidth +, int nHeight +, int nDepth +) { UnRef(); - m_refData = new wxBitmapRefData; - - wxBitmapHandler *handler = FindHandler(type); + wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType) + ,wxBitmapHandler + ); - if ( handler == NULL ) { - wxLogWarning("no bitmap handler for type %d defined.", type); + if (!pHandler) + { + wxLogDebug(wxT("Failed to create bitmap: no bitmap handler for " + "type %d defined."), lType); - return FALSE; + return(FALSE); } - return handler->Create(this, data, type, width, height, depth); -} - -bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette) -{ - wxBitmapHandler *handler = FindHandler(type); - - if ( handler == NULL ) { - wxLogWarning("no bitmap handler for type %d defined.", type); - - return FALSE; - } - - return handler->SaveFile(this, filename, type, palette); -} + m_refData = new wxBitmapRefData; -void wxBitmap::SetWidth(int w) + return(pHandler->Create( this + ,pData + ,lType + ,nWidth + ,nHeight + ,nDepth + )); +} // end of wxBitmap::Create + +bool wxBitmap::SaveFile( + const wxString& rFilename +, int lType +, const wxPalette* pPalette +) { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType) + ,wxBitmapHandler + ); - M_BITMAPDATA->m_width = w; -} + if (pHandler) + { + return pHandler->SaveFile( this + ,rFilename + ,lType + ,pPalette + ); + } + else + { + // FIXME what about palette? shouldn't we use it? + wxImage vImage(*this); -void wxBitmap::SetHeight(int h) -{ - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + if (!vImage.Ok()) + return(FALSE); - M_BITMAPDATA->m_height = h; -} + return(vImage.SaveFile( rFilename + ,lType + )); + } +} // end of wxBitmap::SaveFile -void wxBitmap::SetDepth(int d) -{ - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; - M_BITMAPDATA->m_depth = d; -} +// ---------------------------------------------------------------------------- +// wxImage-wxBitmap convertion +// ---------------------------------------------------------------------------- -void wxBitmap::SetQuality(int q) +bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") ) - M_BITMAPDATA->m_quality = q; -} - -void wxBitmap::SetOk(bool isOk) -{ - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; - - M_BITMAPDATA->m_ok = isOk; -} - -void wxBitmap::SetPalette(const wxPalette& palette) -{ - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; +// 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++; + } - M_BITMAPDATA->m_bitmapPalette = palette ; -} + // 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; + } -void wxBitmap::SetMask(wxMask *mask) -{ - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + // 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; + + 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 ); - M_BITMAPDATA->m_bitmapMask = mask ; -} + // 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 ); + } -void wxBitmap::SetHBITMAP(WXHBITMAP bmp) -{ - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + // free allocated resources + ::SelectObject( memdc, 0 ); + ::DeleteDC( memdc ); + ::ReleaseDC(NULL, hdc); + free(lpDIBh); + free(lpBits); - M_BITMAPDATA->m_hBitmap = bmp; -} + // check the wxBitmap object + if( bitmap.GetHBITMAP() ) + bitmap.SetOk( TRUE ); + else + bitmap.SetOk( FALSE ); +*/ -void wxBitmap::AddHandler(wxBitmapHandler *handler) -{ - sm_handlers.Append(handler); + return TRUE; } -void wxBitmap::InsertHandler(wxBitmapHandler *handler) +wxImage wxBitmap::ConvertToImage() const { - sm_handlers.Insert(handler); -} + 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; + } -bool wxBitmap::RemoveHandler(const wxString& name) -{ - wxBitmapHandler *handler = FindHandler(name); - if ( handler ) + // 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 ) { - sm_handlers.DeleteObject(handler); - return TRUE; + 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; } - else - return FALSE; -} -wxBitmapHandler *wxBitmap::FindHandler(const wxString& name) -{ - wxNode *node = sm_handlers.First(); - while ( node ) + // 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; iData(); - if ( handler->GetName() == name ) - return handler; - node = node->Next(); + for( j=0; jGetMaskBitmap() ) + { + 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; iData(); - if ( handler->GetExtension() == extension && - (bitmapType == -1 || handler->GetType() == bitmapType) ) - return handler; - node = node->Next(); + SetMask( FALSE ); } - return NULL; + // free allocated resources + ::ReleaseDC(NULL, hdc); + free(lpDIBh); + free(lpBits); +*/ + + return image; } -wxBitmapHandler *wxBitmap::FindHandler(long bitmapType) + +// ---------------------------------------------------------------------------- +// sub bitmap extraction +// ---------------------------------------------------------------------------- + +wxBitmap wxBitmap::GetSubBitmap( + const wxRect& rRect +) const { - wxNode *node = sm_handlers.First(); - while ( node ) + wxCHECK_MSG( Ok() && + (rRect.x >= 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()) { - wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); - if (handler->GetType() == bitmapType) - return handler; - node = node->Next(); + 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); } - return NULL; -} -// 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 -{ - wxBitmap tmpBitmap(this->GetWidth(), this->GetHeight(), dc.GetDepth()); -// TODO: -/* - wxMemoryDC memDC; - HPALETTE hPal = (HPALETTE) NULL; - LPBITMAPINFO lpDib; - void *lpBits = (void*) NULL; + ::GpiSetBitmap(hPSSrc, NULL); + ::GpiSetBitmap(hPSDst, NULL); + ::GpiDestroyPS(hPSSrc); + ::GpiDestroyPS(hPSDst); + ::DevCloseDC(hDCSrc); + ::DevCloseDC(hDCDst); + return vRet; +} // end of wxBitmap::GetSubBitmap + +// ---------------------------------------------------------------------------- +// wxBitmap accessors +// ---------------------------------------------------------------------------- +void wxBitmap::SetQuality( + int nQ +) +{ + EnsureHasData(); - wxASSERT( this->GetPalette() && this->GetPalette()->Ok() && (this->GetPalette()->GetHPALETTE() != 0) ); + GetBitmapData()->m_nQuality = nQ; +} // end of wxBitmap::SetQuality - tmpBitmap.SetPalette(this->GetPalette()); - memDC.SelectObject(tmpBitmap); - memDC.SetPalette(this->GetPalette()); +#if WXWIN_COMPATIBILITY_2 +void wxBitmap::SetOk( + bool bOk +) +{ + EnsureHasData(); - hPal = (HPALETTE) this->GetPalette()->GetHPALETTE(); + GetBitmapData()->m_bOk = bOk; +} // end of wxBitmap::SetOk +#endif // WXWIN_COMPATIBILITY_2 - if( this->GetPalette() && this->GetPalette()->Ok() && (this->GetPalette()->GetHPALETTE() != 0) ) - { - tmpBitmap.SetPalette(* this->GetPalette()); - memDC.SelectObject(tmpBitmap); - memDC.SetPalette(* this->GetPalette()); - hPal = (HPALETTE) this->GetPalette()->GetHPALETTE(); - } - else - { - hPal = (HPALETTE) ::GetStockObject(DEFAULT_PALETTE); - wxPalette palette; - palette.SetHPALETTE( (WXHPALETTE)hPal ); - tmpBitmap.SetPalette( palette ); - memDC.SelectObject(tmpBitmap); - memDC.SetPalette( palette ); - } +void wxBitmap::SetPalette( + const wxPalette& rPalette +) +{ + EnsureHasData(); - // set the height negative because in a DIB the order of the lines is reversed - createDIB(this->GetWidth(), -this->GetHeight(), this->GetDepth(), hPal, &lpDib); + GetBitmapData()->m_vBitmapPalette = rPalette; +} // end of wxBitmap::SetPalette - lpBits = malloc(lpDib->bmiHeader.biSizeImage); +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}; - ::GetBitmapBits((HBITMAP)GetHBITMAP(), lpDib->bmiHeader.biSizeImage, lpBits); + 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); - ::SetDIBitsToDevice((HDC) memDC.GetHDC(), 0, 0, this->GetWidth(), this->GetHeight(), - 0, 0, 0, this->GetHeight(), lpBits, lpDib, DIB_RGB_COLORS); + // TODO: Set the points - free(lpBits); + vOldBitmap = (WXHBITMAP)::GpiSetBitmap(hPs, (HBITMAP)vTmpBitmap.GetHBITMAP()); + ::GpiBitBlt(hPs, hMemoryPS, 4L, vPoint, ROP_SRCCOPY, BBO_IGNORE); - freeDIB(lpDib); -*/ - return (tmpBitmap); -} + return(vTmpBitmap); +} // end of wxBitmap::GetBitmapForDC -/* - * wxMask - */ +// ---------------------------------------------------------------------------- +// wxMask +// ---------------------------------------------------------------------------- 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() { -// TODO: delete mask bitmap -} + 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 +) { -// TODO - return FALSE; -} + 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) + { + ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap); + m_hMaskBitmap = 0; + } + if (!rBitmap.Ok() || rBitmap.GetDepth() != 1) + { + return(FALSE); + } + + 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 +) { -// TODO - return FALSE; -} + if (m_hMaskBitmap) + { + ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap); + m_hMaskBitmap = 0; + } + if (rBitmap.Ok() && rBitmap.GetPalette()->Ok()) + { + unsigned char cRed; + unsigned char cGreen; + unsigned char cBlue; + + if (rBitmap.GetPalette()->GetRGB( nPaletteIndex + ,&cRed + ,&cGreen + ,&cBlue + )) + { + wxColour vTransparentColour( cRed + ,cGreen + ,cBlue + ); + + return (Create( rBitmap + ,vTransparentColour + )); + } + } + 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 +) { -// TODO - return FALSE; -} + 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) + { + ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap); + m_hMaskBitmap = 0; + } + if (!rBitmap.Ok()) + { + return(FALSE); + } -/* - * wxBitmapHandler - */ + // + // Scan the bitmap for the transparent colour and set + // the corresponding pixels in the mask to BLACK and + // the rest to WHITE + // + + 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 < rBitmap.GetWidth(); w++) + { + for (int h = 0; h < rBitmap.GetHeight(); h++) + { + POINTL vPt = {w, h}; + COLORREF vCol = (COLORREF)::GpiQueryPel(hPSSrc, &vPt); + if (vCol == (COLORREF)CLR_NOINDEX) + { + // + // Doesn't make sense to continue + // + bOk = FALSE; + break; + } + + if (vCol == vMaskColour) + { + ::GpiSetColor(hPSDst, OS2RGB(0, 0, 0)); + ::GpiSetPel(hPSDst, &vPt); + } + else + { + ::GpiSetColor(hPSDst, OS2RGB(255, 255, 255)); + ::GpiSetPel(hPSDst, &vPt); + } + } + } + ::GpiSetBitmap(hPSSrc, NULL); + ::GpiSetBitmap(hPSDst, NULL); + ::GpiDestroyPS(hPSSrc); + ::GpiDestroyPS(hPSDst); + ::DevCloseDC(hDCSrc); + ::DevCloseDC(hDCDst); + return(TRUE); +} // end of wxMask::Create -IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) +// ---------------------------------------------------------------------------- +// wxBitmapHandler +// ---------------------------------------------------------------------------- -bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth) +bool wxBitmapHandler::Create( + wxGDIImage* pImage +, void* pData +, long lFlags +, int nWidth +, int nHeight +, int nDepth +) { - return FALSE; + wxBitmap* pBitmap = wxDynamicCast( pImage + ,wxBitmap + ); + + return(pBitmap ? Create( pBitmap + ,pData + ,nWidth + ,nHeight + ,nDepth + ) : FALSE); } -bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long type, - int desiredWidth, int desiredHeight) +bool wxBitmapHandler::Load( + wxGDIImage* pImage +, const wxString& rName +, HPS hPs +, long lFlags +, int nWidth +, int nHeight +) { - return FALSE; + wxBitmap* pBitmap = wxDynamicCast( pImage + ,wxBitmap + ); + + return(pBitmap ? LoadFile( pBitmap + ,rName + ,hPs + ,lFlags + ,nWidth + ,nHeight + ) : FALSE); } -bool wxBitmapHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) +bool wxBitmapHandler::Save( + wxGDIImage* pImage +, const wxString& rName +, int lType +) { - return FALSE; + wxBitmap* pBitmap = wxDynamicCast( pImage + ,wxBitmap + ); + + return(pBitmap ? SaveFile( pBitmap + ,rName + ,lType + ) : FALSE); } -/* - * Standard handlers - */ - -/* TODO: bitmap handlers, a bit like this: -class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler +bool wxBitmapHandler::Create( + wxBitmap* WXUNUSED(pBitmap) +, void* WXUNUSED(pData) +, long WXUNUSED(lType) +, int WXUNUSED(nWidth) +, int WXUNUSED(nHeight) +, int WXUNUSED(nDepth) +) { - DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler) -public: - inline wxBMPResourceHandler() - { - m_name = "Windows bitmap resource"; - m_extension = ""; - m_type = wxBITMAP_TYPE_BMP_RESOURCE; - }; - - virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight); -}; -IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler) -*/ + return(FALSE); +} -void wxBitmap::CleanUpHandlers() +bool wxBitmapHandler::LoadFile( + wxBitmap* WXUNUSED(pBitmap) +, const wxString& WXUNUSED(rName) +, HPS WXUNUSED(hPs) +, long WXUNUSED(lType) +, int WXUNUSED(nDesiredWidth) +, int WXUNUSED(nDesiredHeight) +) { - wxNode *node = sm_handlers.First(); - while ( node ) - { - wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); - wxNode *next = node->Next(); - delete handler; - delete node; - node = next; - } + return(FALSE); } -void wxBitmap::InitStandardHandlers() +bool wxBitmapHandler::SaveFile( + wxBitmap* WXUNUSED(pBitmap) +, const wxString& WXUNUSED(rName) +, int WXUNUSED(nType) +, const wxPalette* WXUNUSED(pPalette) +) { -/* TODO: initialize all standard bitmap or derive class handlers here. - AddHandler(new wxBMPResourceHandler); - AddHandler(new wxBMPFileHandler); - AddHandler(new wxXPMFileHandler); - AddHandler(new wxXPMDataHandler); - AddHandler(new wxICOResourceHandler); - AddHandler(new wxICOFileHandler); -*/ + return(FALSE); } +// ---------------------------------------------------------------------------- +// Utility functions +// ---------------------------------------------------------------------------- +HBITMAP wxInvertMask( + HBITMAP hBmpMask +, int nWidth +, int nHeight +) +{ + HBITMAP hBmpInvMask = 0; + + wxCHECK_MSG( hBmpMask, 0, _T("invalid bitmap in wxInvertMask") ); + + // + // 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