X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..977c53206a4be411999140b514507e161e1f0a04:/src/msw/dcprint.cpp diff --git a/src/msw/dcprint.cpp b/src/msw/dcprint.cpp index e8ccc8bac8..9ca81119cb 100644 --- a/src/msw/dcprint.cpp +++ b/src/msw/dcprint.cpp @@ -5,7 +5,7 @@ // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem +// Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "dcprint.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,38 +24,50 @@ #pragma hdrstop #endif +#if wxUSE_PRINTING_ARCHITECTURE + +#include "wx/dcprint.h" +#include "wx/msw/dcprint.h" + #ifndef WX_PRECOMP + #include "wx/msw/wrapcdlg.h" #include "wx/string.h" #include "wx/log.h" #include "wx/window.h" #include "wx/dcmemory.h" + #include "wx/math.h" #endif -#if wxUSE_PRINTING_ARCHITECTURE - #include "wx/msw/private.h" -#include "wx/dcprint.h" -#include "math.h" -#if wxUSE_COMMON_DIALOGS || defined(__WXWINE__) - #include +#if wxUSE_WXDIB + #include "wx/msw/dib.h" #endif +#include "wx/printdlg.h" +#include "wx/msw/printdlg.h" + #ifndef __WIN32__ #include #endif // mingw32 defines GDI_ERROR incorrectly -#ifdef __GNUWIN32__ +#if defined(__GNUWIN32__) || !defined(GDI_ERROR) #undef GDI_ERROR #define GDI_ERROR ((int)-1) #endif +#if defined(__WXUNIVERSAL__) && wxUSE_POSTSCRIPT_ARCHITECTURE_IN_MSW + #define wxUSE_PS_PRINTING 1 +#else + #define wxUSE_PS_PRINTING 0 +#endif + // ---------------------------------------------------------------------------- // wxWin macros // ---------------------------------------------------------------------------- -IMPLEMENT_CLASS(wxPrinterDC, wxDC) +IMPLEMENT_ABSTRACT_CLASS(wxPrinterDCImpl, wxMSWDCImpl) // ============================================================================ // implementation @@ -69,179 +77,188 @@ IMPLEMENT_CLASS(wxPrinterDC, wxDC) // wxPrinterDC construction // ---------------------------------------------------------------------------- +#if 0 // This form is deprecated -wxPrinterDC::wxPrinterDC(const wxString& driver_name, const wxString& device_name, const wxString& file, bool interactive, int orientation) +wxPrinterDC::wxPrinterDC(const wxString& driver_name, + const wxString& device_name, + const wxString& file, + bool interactive, + wxPrintOrientation orientation) { m_isInteractive = interactive; - if ( !!file ) + if ( !file.empty() ) m_printData.SetFilename(file); #if wxUSE_COMMON_DIALOGS - if (interactive) + if ( interactive ) { PRINTDLG pd; pd.lStructSize = sizeof( PRINTDLG ); - pd.hwndOwner=(HWND) NULL; - pd.hDevMode=(HANDLE)NULL; - pd.hDevNames=(HANDLE)NULL; - pd.Flags=PD_RETURNDC | PD_NOSELECTION | PD_NOPAGENUMS; - pd.nFromPage=0; - pd.nToPage=0; - pd.nMinPage=0; - pd.nMaxPage=0; - pd.nCopies=1; - pd.hInstance=(HINSTANCE)NULL; - - if ( PrintDlg( &pd ) != 0 ) + pd.hwndOwner = (HWND) NULL; + pd.hDevMode = (HANDLE)NULL; + pd.hDevNames = (HANDLE)NULL; + pd.Flags = PD_RETURNDC | PD_NOSELECTION | PD_NOPAGENUMS; + pd.nFromPage = 0; + pd.nToPage = 0; + pd.nMinPage = 0; + pd.nMaxPage = 0; + pd.nCopies = 1; + pd.hInstance = (HINSTANCE)NULL; + + m_ok = PrintDlg( &pd ) != 0; + if ( m_ok ) { m_hDC = (WXHDC) pd.hDC; - m_ok = TRUE; } - else - { - m_ok = FALSE; - return; - } - - // m_dontDelete = TRUE; } else #endif // wxUSE_COMMON_DIALOGS - if ((!driver_name.IsNull() && driver_name != wxT("")) && - (!device_name.IsNull() && device_name != wxT("")) && - (!file.IsNull() && file != wxT(""))) + { + if ( !driver_name.empty() && !device_name.empty() && !file.empty() ) { - m_hDC = (WXHDC) CreateDC(WXSTRINGCAST driver_name, WXSTRINGCAST device_name, WXSTRINGCAST file, NULL); - m_ok = m_hDC ? TRUE: FALSE; + m_hDC = (WXHDC) CreateDC(driver_name.wx_str(), + device_name.wx_str(), + file.fn_str(), + NULL); } - else + else // we don't have all parameters, ask the user { wxPrintData printData; printData.SetOrientation(orientation); m_hDC = wxGetPrinterDC(printData); - m_ok = m_hDC ? TRUE: FALSE; } - if (m_hDC) - { - // int width = GetDeviceCaps(m_hDC, VERTRES); - // int height = GetDeviceCaps(m_hDC, HORZRES); - SetMapMode(wxMM_TEXT); - } - SetBrush(*wxBLACK_BRUSH); - SetPen(*wxBLACK_PEN); + m_ok = m_hDC ? true: false; + + // as we created it, we must delete it as well + m_bOwnsDC = true; + } + + Init(); } +#endif -wxPrinterDC::wxPrinterDC(const wxPrintData& printData) +wxPrinterDCImpl::wxPrinterDCImpl( wxPrinterDC *owner, const wxPrintData& printData ) : + wxMSWDCImpl( owner ) { m_printData = printData; - m_isInteractive = FALSE; + m_isInteractive = false; m_hDC = wxGetPrinterDC(printData); - m_ok = (m_hDC != 0); + m_ok = m_hDC != 0; + m_bOwnsDC = true; - if (m_hDC) - SetMapMode(wxMM_TEXT); - - SetBrush(*wxBLACK_BRUSH); - SetPen(*wxBLACK_PEN); + Init(); } -wxPrinterDC::wxPrinterDC(WXHDC theDC) +wxPrinterDCImpl::wxPrinterDCImpl( wxPrinterDC *owner, WXHDC dc ) : + wxMSWDCImpl( owner ) { - m_isInteractive = FALSE; + m_isInteractive = false; - m_hDC = theDC; - m_ok = TRUE; - if (m_hDC) + m_hDC = dc; + m_bOwnsDC = true; + m_ok = true; +} + +void wxPrinterDCImpl::Init() +{ + if ( m_hDC ) { // int width = GetDeviceCaps(m_hDC, VERTRES); // int height = GetDeviceCaps(m_hDC, HORZRES); SetMapMode(wxMM_TEXT); - } - SetBrush(*wxBLACK_BRUSH); - SetPen(*wxBLACK_PEN); -} -wxPrinterDC::~wxPrinterDC() -{ + SetBrush(*wxBLACK_BRUSH); + SetPen(*wxBLACK_PEN); + } } // ---------------------------------------------------------------------------- -// wxPrinterDC {Start/End}{Page/Doc} methods +// wxPrinterDCImpl {Start/End}{Page/Doc} methods // ---------------------------------------------------------------------------- -bool wxPrinterDC::StartDoc(const wxString& message) +bool wxPrinterDCImpl::StartDoc(const wxString& message) { DOCINFO docinfo; docinfo.cbSize = sizeof(DOCINFO); - docinfo.lpszDocName = (const wxChar*)message; + docinfo.lpszDocName = message.wx_str(); wxString filename(m_printData.GetFilename()); - if (filename.IsEmpty()) + if (filename.empty()) docinfo.lpszOutput = NULL; else - docinfo.lpszOutput = (const wxChar *) filename; + docinfo.lpszOutput = filename.wx_str(); -#if defined(__WIN95__) docinfo.lpszDatatype = NULL; docinfo.fwType = 0; -#endif if (!m_hDC) - return FALSE; + return false; - int ret = ::StartDoc(GetHdc(), &docinfo); - -#ifndef __WIN16__ - if (ret <= 0) + if ( ::StartDoc(GetHdc(), &docinfo) <= 0 ) { - DWORD lastError = GetLastError(); - wxLogDebug(wxT("wxDC::StartDoc failed with error: %d\n"), lastError); + wxLogLastError(wxT("StartDoc")); + return false; } -#endif - return (ret > 0); + return true; } -void wxPrinterDC::EndDoc() +void wxPrinterDCImpl::EndDoc() { if (m_hDC) ::EndDoc((HDC) m_hDC); } -void wxPrinterDC::StartPage() +void wxPrinterDCImpl::StartPage() { if (m_hDC) ::StartPage((HDC) m_hDC); } -void wxPrinterDC::EndPage() +void wxPrinterDCImpl::EndPage() { if (m_hDC) ::EndPage((HDC) m_hDC); } + +wxRect wxPrinterDCImpl::GetPaperRect() const + +{ + if (!IsOk()) return wxRect(0, 0, 0, 0); + int w = ::GetDeviceCaps((HDC) m_hDC, PHYSICALWIDTH); + int h = ::GetDeviceCaps((HDC) m_hDC, PHYSICALHEIGHT); + int x = -::GetDeviceCaps((HDC) m_hDC, PHYSICALOFFSETX); + int y = -::GetDeviceCaps((HDC) m_hDC, PHYSICALOFFSETY); + return wxRect(x, y, w, h); +} + + +#if !wxUSE_PS_PRINTING + // Returns default device and port names static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName) { - deviceName = ""; + deviceName.clear(); LPDEVNAMES lpDevNames; - LPSTR lpszDriverName; - LPSTR lpszDeviceName; - LPSTR lpszPortName; + LPTSTR lpszDeviceName; + LPTSTR lpszPortName; PRINTDLG pd; // Cygwin has trouble believing PRINTDLG is 66 bytes - thinks it is 68 #ifdef __GNUWIN32__ + memset(&pd, 0, 66); pd.lStructSize = 66; // sizeof(PRINTDLG); #else + memset(&pd, 0, sizeof(PRINTDLG)); pd.lStructSize = sizeof(PRINTDLG); #endif @@ -258,15 +275,14 @@ static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName) if (pd.hDevNames) GlobalFree(pd.hDevNames); - return FALSE; + return false; } if (pd.hDevNames) { lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames); - lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset; - lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset; - lpszPortName = (LPSTR)lpDevNames + lpDevNames->wOutputOffset; + lpszDeviceName = (LPTSTR)lpDevNames + lpDevNames->wDeviceOffset; + lpszPortName = (LPTSTR)lpDevNames + lpDevNames->wOutputOffset; deviceName = lpszDeviceName; portName = lpszPortName; @@ -281,306 +297,193 @@ static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName) GlobalFree(pd.hDevMode); pd.hDevMode=NULL; } - return ( deviceName != wxT("") ); + return ( !deviceName.empty() ); } -#if 0 -// This uses defaults, except for orientation, so we should eliminate this function -// and use the 2nd form (passing wxPrintData) instead. -WXHDC wxGetPrinterDC(int orientation) -{ - HDC hDC; - LPDEVMODE lpDevMode = NULL; - LPDEVNAMES lpDevNames; - LPSTR lpszDriverName; - LPSTR lpszDeviceName; - LPSTR lpszPortName; +#endif // !wxUSE_PS_PRINTING - PRINTDLG pd; - // __GNUWIN32__ has trouble believing PRINTDLG is 66 bytes - thinks it is 68 -#ifdef __GNUWIN32__ - pd.lStructSize = 66; // sizeof(PRINTDLG); -#else - pd.lStructSize = sizeof(PRINTDLG); -#endif - pd.hwndOwner = (HWND)NULL; - pd.hDevMode = NULL; // Will be created by PrintDlg - pd.hDevNames = NULL; // Ditto - pd.Flags = PD_RETURNDEFAULT; - pd.nCopies = 1; - - if (!PrintDlg((LPPRINTDLG)&pd)) +// Gets an HDC for the specified printer configuration +WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) +{ +#if wxUSE_PS_PRINTING + // TODO + wxUnusedVar(printDataConst); + return 0; +#else // native Windows printing + wxWindowsPrintNativeData *data = + (wxWindowsPrintNativeData *) printDataConst.GetNativeData(); + + data->TransferFrom( printDataConst ); + + wxString deviceName = printDataConst.GetPrinterName(); + if ( deviceName.empty() ) { - if ( pd.hDevMode ) - GlobalFree(pd.hDevMode); - if (pd.hDevNames) - GlobalFree(pd.hDevNames); - - return(0); + // Retrieve the default device name + wxString portName; + if ( !wxGetDefaultDeviceName(deviceName, portName) ) + { + return 0; // Could not get default device name + } } - if (!pd.hDevNames) - { - if ( pd.hDevMode ) - GlobalFree(pd.hDevMode); - } - lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames); - lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset; - lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset; - lpszPortName = (LPSTR)lpDevNames + lpDevNames->wOutputOffset; - GlobalUnlock(pd.hDevNames); + GlobalPtrLock lockDevMode; + const HGLOBAL devMode = data->GetDevMode(); + if ( devMode ) + lockDevMode.Init(devMode); - if ( pd.hDevMode ) + HDC hDC = ::CreateDC + ( + NULL, // no driver name as we use device name + deviceName.wx_str(), + NULL, // unused + static_cast(lockDevMode.Get()) + ); + if ( !hDC ) { - lpDevMode = (DEVMODE*) GlobalLock(pd.hDevMode); - lpDevMode->dmOrientation = orientation; - lpDevMode->dmFields |= DM_ORIENTATION; + wxLogLastError(wxT("CreateDC(printer)")); } -#ifdef __WIN32__ - hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (DEVMODE *)lpDevMode); -#else - hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (LPSTR)lpDevMode); -#endif - - if (pd.hDevMode && lpDevMode) - GlobalUnlock(pd.hDevMode); - - if (pd.hDevNames) - { - GlobalFree(pd.hDevNames); - pd.hDevNames=NULL; - } - if (pd.hDevMode) - { - GlobalFree(pd.hDevMode); - pd.hDevMode=NULL; - } return (WXHDC) hDC; +#endif // PostScript/Windows printing } -#endif - -// Gets an HDC for the specified printer configuration -WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) -{ - wxPrintData printData = printDataConst; - printData.ConvertToNative(); - - wxChar* driverName = (wxChar*) NULL; - wxString devNameStr = printData.GetPrinterName(); - wxChar* portName = (wxChar*) NULL; // Obsolete in WIN32 - - const wxChar* deviceName; - if ( !devNameStr ) - deviceName = (wxChar*) NULL; - else - deviceName = devNameStr.c_str(); - - LPDEVMODE lpDevMode = (LPDEVMODE) NULL; +// ---------------------------------------------------------------------------- +// wxPrinterDCImpl bit blitting/bitmap drawing +// ---------------------------------------------------------------------------- - HGLOBAL hDevMode = (HGLOBAL)(DWORD) printData.GetNativeData(); +// helper of DoDrawBitmap() and DoBlit() +static +bool DrawBitmapUsingStretchDIBits(HDC hdc, + const wxBitmap& bmp, + wxCoord x, wxCoord y) +{ +#if wxUSE_WXDIB + wxDIB dib(bmp); + bool ok = dib.IsOk(); + if ( !ok ) + return false; + + DIBSECTION ds; + if ( !::GetObject(dib.GetHandle(), sizeof(ds), &ds) ) + { + wxLogLastError(wxT("GetObject(DIBSECTION)")); - if ( hDevMode ) - lpDevMode = (DEVMODE*) GlobalLock(hDevMode); + return false; + } - if ( !devNameStr ) + // ok, we've got all data we need, do blit it + if ( ::StretchDIBits + ( + hdc, + x, y, + ds.dsBmih.biWidth, ds.dsBmih.biHeight, + 0, 0, + ds.dsBmih.biWidth, ds.dsBmih.biHeight, + ds.dsBm.bmBits, + (LPBITMAPINFO)&ds.dsBmih, + DIB_RGB_COLORS, + SRCCOPY + ) == GDI_ERROR ) { - // Retrieve the default device name - wxString portName; -#ifdef __WXDEBUG__ - bool ret = -#else // !Debug - (void) -#endif // Debug/Release - wxGetDefaultDeviceName(devNameStr, portName); - - wxASSERT_MSG( ret, wxT("Could not get default device name.") ); + wxLogLastError(wxT("StretchDIBits")); - deviceName = devNameStr.c_str(); + return false; } -#ifdef __WIN32__ - HDC hDC = CreateDC(driverName, deviceName, portName, (DEVMODE *) lpDevMode); + return true; #else - HDC hDC = CreateDC(driverName, deviceName, portName, (LPSTR) lpDevMode); + return false; #endif - - if (hDevMode && lpDevMode) - GlobalUnlock(hDevMode); - - return (WXHDC) hDC; } -// ---------------------------------------------------------------------------- -// wxPrinterDC bit blitting/bitmap drawing -// ---------------------------------------------------------------------------- - -// Win16 doesn't define GDI_ERROR. -#ifndef GDI_ERROR -#define GDI_ERROR -1 -#endif - -void wxPrinterDC::DoDrawBitmap(const wxBitmap &bmp, +void wxPrinterDCImpl::DoDrawBitmap(const wxBitmap& bmp, wxCoord x, wxCoord y, bool useMask) { - wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxPrinterDC::DrawBitmap") ); + wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap in wxPrinterDC::DrawBitmap") ); int width = bmp.GetWidth(), height = bmp.GetHeight(); - if ( ::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB ) - { - BITMAPINFO *info = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) ); - memset( info, 0, sizeof( BITMAPINFOHEADER ) ); - - int iBitsSize = ((width + 3 ) & ~3 ) * height; - - void* bits = malloc( iBitsSize ); - - info->bmiHeader.biSize = sizeof( BITMAPINFOHEADER ); - info->bmiHeader.biWidth = width; - info->bmiHeader.biHeight = height; - info->bmiHeader.biPlanes = 1; - info->bmiHeader.biBitCount = 8; - info->bmiHeader.biCompression = BI_RGB; - - ScreenHDC display; - if ( GetDIBits(display, GetHbitmapOf(bmp), 0, - bmp.GetHeight(), bits, info, - DIB_RGB_COLORS) ) - { - if ( ::StretchDIBits(GetHdc(), x, y, - width, height, - 0 , 0, width, height, - bits, info, - DIB_RGB_COLORS, SRCCOPY) == GDI_ERROR ) - { - wxLogLastError(wxT("StretchDIBits")); - } - } - - free(bits); - free(info); - } - else // no support for StretchDIBits() + if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) || + !DrawBitmapUsingStretchDIBits(GetHdc(), bmp, x, y) ) { + // no support for StretchDIBits() or an error occurred if we got here wxMemoryDC memDC; - memDC.SelectObject(bmp); - Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask); + memDC.SelectObjectAsSource(bmp); + + GetOwner()->Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask); memDC.SelectObject(wxNullBitmap); } } -bool wxPrinterDC::DoBlit(wxCoord xdest, wxCoord ydest, +bool wxPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC *source, - wxCoord xsrc, wxCoord ysrc, - int rop, bool useMask) + wxCoord WXUNUSED(xsrc), wxCoord WXUNUSED(ysrc), + wxRasterOperationMode WXUNUSED(rop), bool useMask, + wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask)) { - bool success = TRUE; - - if ( useMask ) + wxDCImpl *impl = source->GetImpl(); + wxMSWDCImpl *msw_impl = wxDynamicCast(impl, wxMSWDCImpl); + if (!msw_impl) + return false; + + wxBitmap& bmp = msw_impl->GetSelectedBitmap(); + wxMask *mask = useMask ? bmp.GetMask() : NULL; + if ( mask ) { - // If we are printing source colours are screen colours - // not printer colours and so we need copy the bitmap - // pixel by pixel. + // If we are printing source colours are screen colours not printer + // colours and so we need copy the bitmap pixel by pixel. RECT rect; - HDC dc_src = GetHdcOf(*source); - HDC dc_mask = ::CreateCompatibleDC(dc_src); + HDC dcSrc = GetHdcOf(*msw_impl); + MemoryHDC dcMask(dcSrc); + SelectInHDC selectMask(dcMask, (HBITMAP)mask->GetMaskBitmap()); - ::SelectObject(dc_mask, (HBITMAP) source->GetSelectedBitmap().GetMask()->GetMaskBitmap()); for (int x = 0; x < width; x++) { for (int y = 0; y < height; y++) { - COLORREF cref = ::GetPixel(dc_mask, x, y); + COLORREF cref = ::GetPixel(dcMask, x, y); if (cref) { - HBRUSH brush = ::CreateSolidBrush(::GetPixel(dc_src, x, y)); + HBRUSH brush = ::CreateSolidBrush(::GetPixel(dcSrc, x, y)); rect.left = xdest + x; rect.right = rect.left + 1; - rect.top = ydest + y; + rect.top = ydest + y; rect.bottom = rect.top + 1; ::FillRect(GetHdc(), &rect, brush); ::DeleteObject(brush); } } } - ::SelectObject(dc_mask, 0); - ::DeleteDC(dc_mask); } else // no mask { - if ( ::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB ) + if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) || + !DrawBitmapUsingStretchDIBits(GetHdc(), bmp, xdest, ydest) ) { - wxBitmap& bmp = source->GetSelectedBitmap(); - int width = bmp.GetWidth(), - height = bmp.GetHeight(); - - BITMAPINFO *info = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) ); - int iBitsSize = ((width + 3 ) & ~3 ) * height; - - void* bits = malloc( iBitsSize ); - - memset( info , 0 , sizeof( BITMAPINFOHEADER ) ); - - info->bmiHeader.biSize = sizeof( BITMAPINFOHEADER ); - info->bmiHeader.biWidth = width; - info->bmiHeader.biHeight = height; - info->bmiHeader.biPlanes = 1; - info->bmiHeader.biBitCount = 8; - info->bmiHeader.biCompression = BI_RGB; - - ScreenHDC display; - if ( !::GetDIBits(display, GetHbitmapOf(bmp), 0, - height, bits, info, DIB_RGB_COLORS) ) - { - wxLogLastError(wxT("GetDIBits")); + // no support for StretchDIBits - success = FALSE; - } - - if ( success ) - { - success = ::StretchDIBits(GetHdc(), xdest, ydest, - width, height, - xsrc, ysrc, - width, height, - bits, info , - DIB_RGB_COLORS, - SRCCOPY) != GDI_ERROR; - if ( !success ) - { - wxLogLastError(wxT("StretchDIBits")); - } - } - - free(bits); - free(info); - } - else // no support for StretchDIBits - { - // as we are printing, source colours are screen colours not printer - // colours and so we need copy the bitmap pixel by pixel. - HDC dc_src = GetHdcOf(*source); + // as we are printing, source colours are screen colours not + // printer colours and so we need copy the bitmap pixel by pixel. + HDC dcSrc = GetHdcOf(*msw_impl); RECT rect; for (int y = 0; y < height; y++) { - // This is Stefan Csomor's optimisation, where identical adjacent - // pixels are drawn together. + // optimization: draw identical adjacent pixels together. for (int x = 0; x < width; x++) { - COLORREF col = ::GetPixel(dc_src, x, y); + COLORREF col = ::GetPixel(dcSrc, x, y); HBRUSH brush = ::CreateSolidBrush( col ); rect.left = xdest + x; rect.top = ydest + y; - while( (x + 1 < width) && (::GetPixel(dc_src, x + 1, y) == col ) ) + while( (x + 1 < width) && + (::GetPixel(dcSrc, x + 1, y) == col ) ) { ++x; } @@ -593,7 +496,7 @@ bool wxPrinterDC::DoBlit(wxCoord xdest, wxCoord ydest, } } - return success; + return true; } #endif