X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ad81651f00edc6f489d9b6a0839d316a964fd521..ef0898052549fc7d1c71b1165dafef42c9735cdf:/src/msw/dcprint.cpp?ds=sidebyside diff --git a/src/msw/dcprint.cpp b/src/msw/dcprint.cpp index 05daa7826d..819514bb60 100644 --- a/src/msw/dcprint.cpp +++ b/src/msw/dcprint.cpp @@ -1,108 +1,135 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 -#include "wx/string.h" -#include "wx/log.h" -#include "wx/window.h" +#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" -#if wxUSE_COMMON_DIALOGS || defined(__WXWINE__) -#include +#if wxUSE_COMMON_DIALOGS + #include #endif #ifndef __WIN32__ -#include + #include +#endif + +// mingw32 defines GDI_ERROR incorrectly +#if defined(__GNUWIN32__) || !defined(GDI_ERROR) + #undef GDI_ERROR + #define GDI_ERROR ((int)-1) #endif +// ---------------------------------------------------------------------------- +// wxWin macros +// ---------------------------------------------------------------------------- + IMPLEMENT_CLASS(wxPrinterDC, wxDC) +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxPrinterDC construction +// ---------------------------------------------------------------------------- + // 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, + int orientation) { m_isInteractive = interactive; - if (!file.IsNull() && file != wxT("")) + 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 - if ((!driver_name.IsNull() && driver_name != wxT("")) && - (!device_name.IsNull() && device_name != wxT("")) && - (!file.IsNull() && file != wxT(""))) +#endif // wxUSE_COMMON_DIALOGS + { + 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, device_name, file, 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(); } wxPrinterDC::wxPrinterDC(const wxPrintData& printData) @@ -112,35 +139,38 @@ wxPrinterDC::wxPrinterDC(const wxPrintData& printData) m_isInteractive = FALSE; m_hDC = wxGetPrinterDC(printData); - m_ok = (m_hDC != 0); - - if (m_hDC) - SetMapMode(wxMM_TEXT); + m_ok = m_hDC != 0; + m_bOwnsDC = TRUE; - SetBrush(*wxBLACK_BRUSH); - SetPen(*wxBLACK_PEN); + Init(); } -wxPrinterDC::wxPrinterDC(WXHDC theDC) +wxPrinterDC::wxPrinterDC(WXHDC dc) { m_isInteractive = FALSE; - m_hDC = theDC; + m_hDC = dc; + m_bOwnsDC = TRUE; m_ok = TRUE; - if (m_hDC) +} + +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); } - SetBrush(*wxBLACK_BRUSH); - SetPen(*wxBLACK_PEN); } -wxPrinterDC::~wxPrinterDC(void) -{ -} +// ---------------------------------------------------------------------------- +// wxPrinterDC {Start/End}{Page/Doc} methods +// ---------------------------------------------------------------------------- bool wxPrinterDC::StartDoc(const wxString& message) { @@ -163,44 +193,29 @@ bool wxPrinterDC::StartDoc(const wxString& message) if (!m_hDC) return FALSE; - int ret = -#ifndef __WIN32__ - ::StartDoc((HDC) m_hDC, &docinfo); -#else -#ifdef UNICODE - ::StartDocW((HDC) m_hDC, &docinfo); -#else -#ifdef __TWIN32__ - ::StartDoc((HDC) m_hDC, &docinfo); -#else - ::StartDocA((HDC) m_hDC, &docinfo); -#endif -#endif -#endif + int ret = ::StartDoc(GetHdc(), &docinfo); -#ifndef __WIN16__ if (ret <= 0) { DWORD lastError = GetLastError(); - wxLogDebug(wxT("wxDC::StartDoc failed with error: %d\n"), lastError); + wxLogDebug(wxT("wxDC::StartDoc failed with error: %ld\n"), lastError); } -#endif return (ret > 0); } -void wxPrinterDC::EndDoc(void) +void wxPrinterDC::EndDoc() { if (m_hDC) ::EndDoc((HDC) m_hDC); } -void wxPrinterDC::StartPage(void) +void wxPrinterDC::StartPage() { if (m_hDC) ::StartPage((HDC) m_hDC); } -void wxPrinterDC::EndPage(void) +void wxPrinterDC::EndPage() { if (m_hDC) ::EndPage((HDC) m_hDC); @@ -209,19 +224,20 @@ void wxPrinterDC::EndPage(void) // 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 @@ -244,101 +260,24 @@ static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName) if (pd.hDevNames) { lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames); - lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset; - lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset; - lpszPortName = (LPSTR)lpDevNames + lpDevNames->wOutputOffset; - GlobalUnlock(pd.hDevNames); - GlobalFree(pd.hDevNames); - pd.hDevNames=NULL; + lpszDeviceName = (LPTSTR)lpDevNames + lpDevNames->wDeviceOffset; + lpszPortName = (LPTSTR)lpDevNames + lpDevNames->wOutputOffset; deviceName = lpszDeviceName; portName = lpszPortName; - } - - if (pd.hDevMode) - { - GlobalFree(pd.hDevMode); - pd.hDevMode=NULL; - } - return ( deviceName != wxT("") ); -} - -#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; - - 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)) - { - if ( pd.hDevMode ) - GlobalFree(pd.hDevMode); - if (pd.hDevNames) - GlobalFree(pd.hDevNames); - - return(0); - } - - 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); - - if ( pd.hDevMode ) - { - lpDevMode = (DEVMODE*) GlobalLock(pd.hDevMode); - lpDevMode->dmOrientation = orientation; - lpDevMode->dmFields |= DM_ORIENTATION; - } - -#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) - { + GlobalUnlock(pd.hDevNames); GlobalFree(pd.hDevNames); pd.hDevNames=NULL; } + if (pd.hDevMode) { GlobalFree(pd.hDevMode); pd.hDevMode=NULL; } - return (WXHDC) hDC; + return ( deviceName != wxEmptyString ); } -#endif // Gets an HDC for the specified printer configuration WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) @@ -349,13 +288,13 @@ WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) wxChar* driverName = (wxChar*) NULL; wxString devNameStr = printData.GetPrinterName(); - wxChar* deviceName; wxChar* portName = (wxChar*) NULL; // Obsolete in WIN32 - if (devNameStr == wxT("")) + const wxChar* deviceName; + if ( !devNameStr ) deviceName = (wxChar*) NULL; else - deviceName = WXSTRINGCAST devNameStr; + deviceName = devNameStr.c_str(); LPDEVMODE lpDevMode = (LPDEVMODE) NULL; @@ -364,20 +303,15 @@ WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) if ( hDevMode ) lpDevMode = (DEVMODE*) GlobalLock(hDevMode); - if (devNameStr == wxT("")) + if ( !devNameStr ) { // 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.") ); - - deviceName = WXSTRINGCAST devNameStr; + if ( !wxGetDefaultDeviceName(devNameStr, portName) ) + { + return 0; // Could not get default device name + } + deviceName = devNameStr.c_str(); } #ifdef __WIN32__ @@ -392,3 +326,150 @@ WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) 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) ) + { + wxLogLastError(_T("GetObject(DIBSECTION)")); + + return FALSE; + } + + // 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 ) + { + wxLogLastError(wxT("StretchDIBits")); + + return FALSE; + } + + 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