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