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
  14 #pragma implementation "dcprint.h"
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #endif
  26
  27 #include "wx/dcprint.h"
  28 #include "math.h"
  29 #include "fstream.h"
  30
  31 #include <windows.h>
  32
  33 #if wxUSE_COMMON_DIALOGS
  34 #include <commdlg.h>
  35 #endif
  36
  37 #ifndef __WIN32__
  38 #include <print.h>
  39 #endif
  40
  41 #ifdef DrawText
  42 #undef DrawText
  43 #endif
  44
  45 #ifdef GetCharWidth
  46 #undef GetCharWidth
  47 #endif
  48
  49 #ifdef StartDoc
  50 #undef StartDoc
  51 #endif
  52
  53 #if !USE_SHARED_LIBRARY
  54 IMPLEMENT_CLASS(wxPrinterDC, wxDC)
  55 #endif
  56
  57 wxPrinterDC::wxPrinterDC(const wxString& driver_name, const wxString& device_name, const wxString& file, bool interactive, int orientation)
  58 {
  59   m_isInteractive = interactive;
  60
  61   if (!file.IsNull() && file != "")
  62     m_filename = file;
  63
  64 #if wxUSE_COMMON_DIALOGS
  65    if (interactive)
  66    {
  67      PRINTDLG pd;
  68
  69      pd.lStructSize = sizeof( PRINTDLG );
  70      pd.hwndOwner=NULL;
  71      pd.hDevMode=(HANDLE)NULL;
  72      pd.hDevNames=(HANDLE)NULL;
  73      pd.Flags=PD_RETURNDC | PD_NOSELECTION | PD_NOPAGENUMS;
  74      pd.nFromPage=0;
  75      pd.nToPage=0;
  76      pd.nMinPage=0;
  77      pd.nMaxPage=0;
  78      pd.nCopies=1;
  79      pd.hInstance=(HINSTANCE)NULL;
  80
  81      if ( PrintDlg( &pd ) != 0 )
  82      {
  83        m_hDC = (WXHDC) pd.hDC;
  84        m_ok = TRUE;
  85      }
  86      else
  87      {
  88        m_ok = FALSE;
  89        return;
  90      }
  91
  92 //     m_dontDelete = TRUE;
  93    }
  94    else
  95 #endif
  96    if ((!driver_name.IsNull() && driver_name != "") &&
  97        (!device_name.IsNull() && device_name != "") &&
  98        (!file.IsNull() && file != ""))
  99    {
 100      m_hDC = (WXHDC) CreateDC((char *) (const char *) driver_name, (char *) (const char *) device_name, (char *) (const char *) file, NULL);
 101      m_ok = m_hDC ? TRUE: FALSE;
 102    }
 103    else
 104    {
 105      m_hDC = wxGetPrinterDC(orientation);
 106      m_ok = m_hDC ? TRUE: FALSE;
 107    }
 108
 109    if (m_hDC)
 110    {
 111 //     int width = GetDeviceCaps(m_hDC, VERTRES);
 112 //     int height = GetDeviceCaps(m_hDC, HORZRES);
 113      SetMapMode(MM_TEXT);
 114    }
 115   SetBrush(*wxBLACK_BRUSH);
 116   SetPen(*wxBLACK_PEN);
 117 }
 118
 119 wxPrinterDC::wxPrinterDC(WXHDC theDC)
 120 {
 121   m_isInteractive = FALSE;
 122
 123   m_hDC = theDC;
 124   m_ok = TRUE;
 125   if (m_hDC)
 126  {
 127 //     int width = GetDeviceCaps(m_hDC, VERTRES);
 128 //     int height = GetDeviceCaps(m_hDC, HORZRES);
 129     SetMapMode(MM_TEXT);
 130   }
 131   SetBrush(*wxBLACK_BRUSH);
 132   SetPen(*wxBLACK_PEN);
 133 }
 134
 135 wxPrinterDC::~wxPrinterDC(void)
 136 {
 137 }
 138
 139 WXHDC wxGetPrinterDC(int orientation)
 140 {
 141     HDC         hDC;
 142     LPDEVMODE   lpDevMode = NULL;
 143     LPDEVNAMES  lpDevNames;
 144     LPSTR       lpszDriverName;
 145     LPSTR       lpszDeviceName;
 146     LPSTR       lpszPortName;
 147
 148     PRINTDLG    pd;
 149     // __GNUWIN32__ has trouble believing PRINTDLG is 66 bytes - thinks it is 68
 150     pd.lStructSize    = 66; // sizeof(PRINTDLG);
 151     pd.hwndOwner      = (HWND)NULL;
 152     pd.hDevMode       = NULL; // Will be created by PrintDlg
 153     pd.hDevNames      = NULL; // Ditto
 154     pd.Flags          = PD_RETURNDEFAULT;
 155     pd.nCopies        = 1;
 156
 157     if (!PrintDlg((LPPRINTDLG)&pd))
 158     {
 159         if ( pd.hDevMode )
 160             GlobalFree(pd.hDevMode);
 161         if (pd.hDevNames)
 162             GlobalFree(pd.hDevNames);
 163
 164         return(0);
 165     }
 166
 167     if (!pd.hDevNames)
 168     {
 169         if ( pd.hDevMode )
 170             GlobalFree(pd.hDevMode);
 171     }
 172
 173     lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames);
 174     lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset;
 175     lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset;
 176     lpszPortName   = (LPSTR)lpDevNames + lpDevNames->wOutputOffset;
 177     GlobalUnlock(pd.hDevNames);
 178
 179     if ( pd.hDevMode )
 180     {
 181         lpDevMode = (DEVMODE*) GlobalLock(pd.hDevMode);
 182         lpDevMode->dmOrientation = orientation;
 183         lpDevMode->dmFields |= DM_ORIENTATION;
 184     }
 185
 186 #ifdef __WIN32__
 187     hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (DEVMODE *)lpDevMode);
 188 #else
 189     hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (LPSTR)lpDevMode);
 190 #endif
 191
 192     if (pd.hDevMode && lpDevMode)
 193         GlobalUnlock(pd.hDevMode);
 194
 195     if (pd.hDevNames)
 196     {
 197             GlobalFree(pd.hDevNames);
 198             pd.hDevNames=NULL;
 199     }
 200     if (pd.hDevMode)
 201     {
 202         GlobalFree(pd.hDevMode);
 203         pd.hDevMode=NULL;
 204     }
 205     return (WXHDC) hDC;
 206 }
 207
 208