X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e306597309a120f2ae91385c731a5cb2722c52aa..ef0898052549fc7d1c71b1165dafef42c9735cdf:/src/msw/dcprint.cpp diff --git a/src/msw/dcprint.cpp b/src/msw/dcprint.cpp index 23593c665a..819514bb60 100644 --- a/src/msw/dcprint.cpp +++ b/src/msw/dcprint.cpp @@ -1,151 +1,246 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dcprint.cpp +// Name: src/msw/dcprint.cpp // Purpose: wxPrinterDC class // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "dcprint.h" +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) + #pragma implementation "dcprint.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #ifndef WX_PRECOMP + #include "wx/string.h" + #include "wx/log.h" + #include "wx/window.h" + #include "wx/dcmemory.h" +#endif + +#if wxUSE_PRINTING_ARCHITECTURE + +#include "wx/msw/private.h" + +#if wxUSE_WXDIB +#include "wx/msw/dib.h" #endif #include "wx/dcprint.h" #include "math.h" -#include - #if wxUSE_COMMON_DIALOGS -#include + #include #endif #ifndef __WIN32__ -#include + #include #endif -#ifdef DrawText -#undef DrawText +// mingw32 defines GDI_ERROR incorrectly +#if defined(__GNUWIN32__) || !defined(GDI_ERROR) + #undef GDI_ERROR + #define GDI_ERROR ((int)-1) #endif -#ifdef GetCharWidth -#undef GetCharWidth -#endif - -#ifdef StartDoc -#undef StartDoc -#endif +// ---------------------------------------------------------------------------- +// wxWin macros +// ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY IMPLEMENT_CLASS(wxPrinterDC, wxDC) -#endif -wxPrinterDC::wxPrinterDC(const wxString& driver_name, const wxString& device_name, const wxString& file, bool interactive, int orientation) +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxPrinterDC construction +// ---------------------------------------------------------------------------- + +// This form is deprecated +wxPrinterDC::wxPrinterDC(const wxString& driver_name, + const wxString& device_name, + const wxString& file, + bool interactive, + int orientation) { - m_isInteractive = interactive; + m_isInteractive = interactive; - if (!file.IsNull() && file != "") - m_filename = file; + if ( !file.empty() ) + m_printData.SetFilename(file); #if wxUSE_COMMON_DIALOGS - 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 ) - { - m_hDC = (WXHDC) pd.hDC; - m_ok = TRUE; - } - else - { - m_ok = FALSE; - return; - } - -// m_dontDelete = TRUE; - } - else + 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; + + m_ok = PrintDlg( &pd ) != 0; + if ( m_ok ) + { + m_hDC = (WXHDC) pd.hDC; + } + } + else +#endif // wxUSE_COMMON_DIALOGS + { + if ( !driver_name.empty() && !device_name.empty() && !file.empty() ) + { + m_hDC = (WXHDC) CreateDC(driver_name, device_name, file, NULL); + } + 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; + + // as we created it, we must delete it as well + m_bOwnsDC = TRUE; + } + + Init(); +} + +wxPrinterDC::wxPrinterDC(const wxPrintData& printData) +{ + m_printData = printData; + + m_isInteractive = FALSE; + + m_hDC = wxGetPrinterDC(printData); + m_ok = m_hDC != 0; + m_bOwnsDC = TRUE; + + Init(); +} + + +wxPrinterDC::wxPrinterDC(WXHDC dc) +{ + m_isInteractive = FALSE; + + m_hDC = dc; + m_bOwnsDC = TRUE; + m_ok = TRUE; +} + +void wxPrinterDC::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 {Start/End}{Page/Doc} methods +// ---------------------------------------------------------------------------- + +bool wxPrinterDC::StartDoc(const wxString& message) +{ + DOCINFO docinfo; + docinfo.cbSize = sizeof(DOCINFO); + docinfo.lpszDocName = (const wxChar*)message; + + wxString filename(m_printData.GetFilename()); + + if (filename.IsEmpty()) + docinfo.lpszOutput = NULL; + else + docinfo.lpszOutput = (const wxChar *) filename; + +#if defined(__WIN95__) + docinfo.lpszDatatype = NULL; + docinfo.fwType = 0; #endif - if ((!driver_name.IsNull() && driver_name != "") && - (!device_name.IsNull() && device_name != "") && - (!file.IsNull() && file != "")) - { - m_hDC = (WXHDC) CreateDC((char *) (const char *) driver_name, (char *) (const char *) device_name, (char *) (const char *) file, NULL); - m_ok = m_hDC ? TRUE: FALSE; - } - else - { - m_hDC = wxGetPrinterDC(orientation); - 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); + + if (!m_hDC) + return FALSE; + + int ret = ::StartDoc(GetHdc(), &docinfo); + + if (ret <= 0) + { + DWORD lastError = GetLastError(); + wxLogDebug(wxT("wxDC::StartDoc failed with error: %ld\n"), lastError); + } + + return (ret > 0); } -wxPrinterDC::wxPrinterDC(WXHDC theDC) +void wxPrinterDC::EndDoc() { - m_isInteractive = FALSE; - - m_hDC = theDC; - m_ok = TRUE; - if (m_hDC) - { -// int width = GetDeviceCaps(m_hDC, VERTRES); -// int height = GetDeviceCaps(m_hDC, HORZRES); - SetMapMode(wxMM_TEXT); - } - SetBrush(*wxBLACK_BRUSH); - SetPen(*wxBLACK_PEN); + if (m_hDC) ::EndDoc((HDC) m_hDC); } -wxPrinterDC::~wxPrinterDC(void) +void wxPrinterDC::StartPage() { + if (m_hDC) + ::StartPage((HDC) m_hDC); } -WXHDC wxGetPrinterDC(int orientation) +void wxPrinterDC::EndPage() { - HDC hDC; - LPDEVMODE lpDevMode = NULL; + if (m_hDC) + ::EndPage((HDC) m_hDC); +} + +// Returns default device and port names +static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName) +{ + deviceName.clear(); + LPDEVNAMES lpDevNames; - LPSTR lpszDriverName; - LPSTR lpszDeviceName; - LPSTR lpszPortName; + LPTSTR lpszDeviceName; + LPTSTR lpszPortName; PRINTDLG pd; - // __GNUWIN32__ has trouble believing PRINTDLG is 66 bytes - thinks it is 68 + + // 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 + pd.hwndOwner = (HWND)NULL; pd.hDevMode = NULL; // Will be created by PrintDlg pd.hDevNames = NULL; // Ditto @@ -159,48 +254,222 @@ WXHDC wxGetPrinterDC(int orientation) if (pd.hDevNames) GlobalFree(pd.hDevNames); - return(0); + return FALSE; } - if (!pd.hDevNames) + if (pd.hDevNames) { - if ( pd.hDevMode ) - GlobalFree(pd.hDevMode); + lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames); + lpszDeviceName = (LPTSTR)lpDevNames + lpDevNames->wDeviceOffset; + lpszPortName = (LPTSTR)lpDevNames + lpDevNames->wOutputOffset; + + deviceName = lpszDeviceName; + portName = lpszPortName; + + GlobalUnlock(pd.hDevNames); + GlobalFree(pd.hDevNames); + pd.hDevNames=NULL; } - lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames); - lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset; - lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset; - lpszPortName = (LPSTR)lpDevNames + lpDevNames->wOutputOffset; - GlobalUnlock(pd.hDevNames); + if (pd.hDevMode) + { + GlobalFree(pd.hDevMode); + pd.hDevMode=NULL; + } + return ( deviceName != wxEmptyString ); +} - if ( pd.hDevMode ) +// 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; + + HGLOBAL hDevMode = (HGLOBAL)(DWORD) printData.GetNativeData(); + + if ( hDevMode ) + lpDevMode = (DEVMODE*) GlobalLock(hDevMode); + + if ( !devNameStr ) { - lpDevMode = (DEVMODE*) GlobalLock(pd.hDevMode); - lpDevMode->dmOrientation = orientation; - lpDevMode->dmFields |= DM_ORIENTATION; + // Retrieve the default device name + wxString portName; + if ( !wxGetDefaultDeviceName(devNameStr, portName) ) + { + return 0; // Could not get default device name + } + deviceName = devNameStr.c_str(); } #ifdef __WIN32__ - hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (DEVMODE *)lpDevMode); + HDC hDC = CreateDC(driverName, deviceName, portName, (DEVMODE *) lpDevMode); #else - hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (LPSTR)lpDevMode); + HDC hDC = CreateDC(driverName, deviceName, portName, (LPSTR) lpDevMode); #endif - if (pd.hDevMode && lpDevMode) - GlobalUnlock(pd.hDevMode); + if (hDevMode && lpDevMode) + GlobalUnlock(hDevMode); - if (pd.hDevNames) + return (WXHDC) hDC; +} + +// ---------------------------------------------------------------------------- +// wxPrinterDC bit blitting/bitmap drawing +// ---------------------------------------------------------------------------- + +// 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) ) { - GlobalFree(pd.hDevNames); - pd.hDevNames=NULL; + wxLogLastError(_T("GetObject(DIBSECTION)")); + + return FALSE; } - if (pd.hDevMode) + + // 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 ) { - GlobalFree(pd.hDevMode); - pd.hDevMode=NULL; + wxLogLastError(wxT("StretchDIBits")); + + return FALSE; } - return (WXHDC) hDC; + + return TRUE; +#else + return FALSE; +#endif } +void wxPrinterDC::DoDrawBitmap(const wxBitmap& bmp, + wxCoord x, wxCoord y, + bool useMask) +{ + wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxPrinterDC::DrawBitmap") ); + + int width = bmp.GetWidth(), + height = bmp.GetHeight(); + + if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) || + !DrawBitmapUsingStretchDIBits(GetHdc(), bmp, x, y) ) + { + // no support for StretchDIBits() or an error occured if we got here + wxMemoryDC memDC; + memDC.SelectObject(bmp); + Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask); + + memDC.SelectObject(wxNullBitmap); + } +} + +bool wxPrinterDC::DoBlit(wxCoord xdest, wxCoord ydest, + wxCoord width, wxCoord height, + wxDC *source, + wxCoord WXUNUSED(xsrc), wxCoord WXUNUSED(ysrc), + int WXUNUSED(rop), bool useMask, + wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask)) +{ + wxBitmap& bmp = source->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. + RECT rect; + HDC dcSrc = GetHdcOf(*source); + MemoryHDC dcMask(dcSrc); + SelectInHDC selectMask(dcMask, (HBITMAP)mask->GetMaskBitmap()); + + for (int x = 0; x < width; x++) + { + for (int y = 0; y < height; y++) + { + COLORREF cref = ::GetPixel(dcMask, x, y); + if (cref) + { + HBRUSH brush = ::CreateSolidBrush(::GetPixel(dcSrc, x, y)); + rect.left = xdest + x; + rect.right = rect.left + 1; + rect.top = ydest + y; + rect.bottom = rect.top + 1; + ::FillRect(GetHdc(), &rect, brush); + ::DeleteObject(brush); + } + } + } + } + else // no mask + { + if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) || + !DrawBitmapUsingStretchDIBits(GetHdc(), bmp, xdest, ydest) ) + { + // 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 dcSrc = GetHdcOf(*source); + RECT rect; + for (int y = 0; y < height; y++) + { + // optimization: draw identical adjacent pixels together. + for (int x = 0; x < width; x++) + { + COLORREF col = ::GetPixel(dcSrc, x, y); + HBRUSH brush = ::CreateSolidBrush( col ); + + rect.left = xdest + x; + rect.top = ydest + y; + while( (x + 1 < width) && + (::GetPixel(dcSrc, x + 1, y) == col ) ) + { + ++x; + } + rect.right = xdest + x + 1; + rect.bottom = rect.top + 1; + ::FillRect((HDC) m_hDC, &rect, brush); + ::DeleteObject(brush); + } + } + } + } + + return TRUE; +} + +#endif + // wxUSE_PRINTING_ARCHITECTURE