src/msw/dcprint.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcprint.cpp
   3 // Purpose:     wxPrinterDC class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dcprint.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #endif
  25
  26 #include "wx/dcprint.h"
  27 #include "math.h"
  28
  29 #include <windows.h>
  30
  31 #if wxUSE_COMMON_DIALOGS
  32 #include <commdlg.h>
  33 #endif
  34
  35 #ifndef __WIN32__
  36 #include <print.h>
  37 #endif
  38
  39 #ifdef DrawText
  40 #undef DrawText
  41 #endif
  42
  43 #ifdef GetCharWidth
  44 #undef GetCharWidth
  45 #endif
  46
  47 #ifdef StartDoc
  48 #undef StartDoc
  49 #endif
  50
  51 #if !USE_SHARED_LIBRARY
  52 IMPLEMENT_CLASS(wxPrinterDC, wxDC)
  53 #endif
  54
  55 wxPrinterDC::wxPrinterDC(const wxString& driver_name, const wxString& device_name, const wxString& file, bool interactive, int orientation)
  56 {
  57   m_isInteractive = interactive;
  58
  59   if (!file.IsNull() && file != "")
  60     m_filename = file;
  61
  62 #if wxUSE_COMMON_DIALOGS
  63    if (interactive)
  64    {
  65      PRINTDLG pd;
  66
  67      pd.lStructSize = sizeof( PRINTDLG );
  68      pd.hwndOwner=(HWND) NULL;
  69      pd.hDevMode=(HANDLE)NULL;
  70      pd.hDevNames=(HANDLE)NULL;
  71      pd.Flags=PD_RETURNDC | PD_NOSELECTION | PD_NOPAGENUMS;
  72      pd.nFromPage=0;
  73      pd.nToPage=0;
  74      pd.nMinPage=0;
  75      pd.nMaxPage=0;
  76      pd.nCopies=1;
  77      pd.hInstance=(HINSTANCE)NULL;
  78
  79      if ( PrintDlg( &pd ) != 0 )
  80      {
  81        m_hDC = (WXHDC) pd.hDC;
  82        m_ok = TRUE;
  83      }
  84      else
  85      {
  86        m_ok = FALSE;
  87        return;
  88      }
  89
  90 //     m_dontDelete = TRUE;
  91    }
  92    else
  93 #endif
  94    if ((!driver_name.IsNull() && driver_name != "") &&
  95        (!device_name.IsNull() && device_name != "") &&
  96        (!file.IsNull() && file != ""))
  97    {
  98      m_hDC = (WXHDC) CreateDC((char *) (const char *) driver_name, (char *) (const char *) device_name, (char *) (const char *) file, NULL);
  99      m_ok = m_hDC ? TRUE: FALSE;
 100    }
 101    else
 102    {
 103      m_hDC = wxGetPrinterDC(orientation);
 104      m_ok = m_hDC ? TRUE: FALSE;
 105    }
 106
 107    if (m_hDC)
 108    {
 109 //     int width = GetDeviceCaps(m_hDC, VERTRES);
 110 //     int height = GetDeviceCaps(m_hDC, HORZRES);
 111      SetMapMode(MM_TEXT);
 112    }
 113   SetBrush(*wxBLACK_BRUSH);
 114   SetPen(*wxBLACK_PEN);
 115 }
 116
 117 wxPrinterDC::wxPrinterDC(WXHDC theDC)
 118 {
 119   m_isInteractive = FALSE;
 120
 121   m_hDC = theDC;
 122   m_ok = TRUE;
 123   if (m_hDC)
 124  {
 125 //     int width = GetDeviceCaps(m_hDC, VERTRES);
 126 //     int height = GetDeviceCaps(m_hDC, HORZRES);
 127     SetMapMode(MM_TEXT);
 128   }
 129   SetBrush(*wxBLACK_BRUSH);
 130   SetPen(*wxBLACK_PEN);
 131 }
 132
 133 wxPrinterDC::~wxPrinterDC(void)
 134 {
 135 }
 136
 137 WXHDC wxGetPrinterDC(int orientation)
 138 {
 139     HDC         hDC;
 140     LPDEVMODE   lpDevMode = NULL;
 141     LPDEVNAMES  lpDevNames;
 142     LPSTR       lpszDriverName;
 143     LPSTR       lpszDeviceName;
 144     LPSTR       lpszPortName;
 145
 146     PRINTDLG    pd;
 147     // __GNUWIN32__ has trouble believing PRINTDLG is 66 bytes - thinks it is 68
 148     pd.lStructSize    = 66; // sizeof(PRINTDLG);
 149     pd.hwndOwner      = (HWND)NULL;
 150     pd.hDevMode       = NULL; // Will be created by PrintDlg
 151     pd.hDevNames      = NULL; // Ditto
 152     pd.Flags          = PD_RETURNDEFAULT;
 153     pd.nCopies        = 1;
 154
 155     if (!PrintDlg((LPPRINTDLG)&pd))
 156     {
 157         if ( pd.hDevMode )
 158             GlobalFree(pd.hDevMode);
 159         if (pd.hDevNames)
 160             GlobalFree(pd.hDevNames);
 161
 162         return(0);
 163     }
 164
 165     if (!pd.hDevNames)
 166     {
 167         if ( pd.hDevMode )
 168             GlobalFree(pd.hDevMode);
 169     }
 170
 171     lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames);
 172     lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset;
 173     lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset;
 174     lpszPortName   = (LPSTR)lpDevNames + lpDevNames->wOutputOffset;
 175     GlobalUnlock(pd.hDevNames);
 176
 177     if ( pd.hDevMode )
 178     {
 179         lpDevMode = (DEVMODE*) GlobalLock(pd.hDevMode);
 180         lpDevMode->dmOrientation = orientation;
 181         lpDevMode->dmFields |= DM_ORIENTATION;
 182     }
 183
 184 #ifdef __WIN32__
 185     hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (DEVMODE *)lpDevMode);
 186 #else
 187     hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (LPSTR)lpDevMode);
 188 #endif
 189
 190     if (pd.hDevMode && lpDevMode)
 191         GlobalUnlock(pd.hDevMode);
 192
 193     if (pd.hDevNames)
 194     {
 195             GlobalFree(pd.hDevNames);
 196             pd.hDevNames=NULL;
 197     }
 198     if (pd.hDevMode)
 199     {
 200         GlobalFree(pd.hDevMode);
 201         pd.hDevMode=NULL;
 202     }
 203     return (WXHDC) hDC;
 204 }
 205
 206