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/string.h"
  27 #include "wx/log.h"
  28 #include "wx/window.h"
  29 #include "wx/msw/private.h"
  30 #include "wx/dcprint.h"
  31 #include "math.h"
  32
  33 #if wxUSE_COMMON_DIALOGS || defined(__WXWINE__)
  34 #include <commdlg.h>
  35 #endif
  36
  37 #ifndef __WIN32__
  38 #include <print.h>
  39 #endif
  40
  41 #if !USE_SHARED_LIBRARY
  42 IMPLEMENT_CLASS(wxPrinterDC, wxDC)
  43 #endif
  44
  45 // This form is deprecated
  46 wxPrinterDC::wxPrinterDC(const wxString& driver_name, const wxString& device_name, const wxString& file, bool interactive, int orientation)
  47 {
  48     m_isInteractive = interactive;
  49
  50     if (!file.IsNull() && file != _T(""))
  51         m_printData.SetFilename(file);
  52
  53 #if wxUSE_COMMON_DIALOGS
  54     if (interactive)
  55     {
  56         PRINTDLG pd;
  57
  58         pd.lStructSize = sizeof( PRINTDLG );
  59         pd.hwndOwner=(HWND) NULL;
  60         pd.hDevMode=(HANDLE)NULL;
  61         pd.hDevNames=(HANDLE)NULL;
  62         pd.Flags=PD_RETURNDC | PD_NOSELECTION | PD_NOPAGENUMS;
  63         pd.nFromPage=0;
  64         pd.nToPage=0;
  65         pd.nMinPage=0;
  66         pd.nMaxPage=0;
  67         pd.nCopies=1;
  68         pd.hInstance=(HINSTANCE)NULL;
  69
  70         if ( PrintDlg( &pd ) != 0 )
  71         {
  72             m_hDC = (WXHDC) pd.hDC;
  73             m_ok = TRUE;
  74         }
  75         else
  76         {
  77             m_ok = FALSE;
  78             return;
  79         }
  80
  81         //     m_dontDelete = TRUE;
  82     }
  83     else
  84 #endif
  85         if ((!driver_name.IsNull() && driver_name != _T("")) &&
  86             (!device_name.IsNull() && device_name != _T("")) &&
  87             (!file.IsNull() && file != _T("")))
  88         {
  89             m_hDC = (WXHDC) CreateDC(WXSTRINGCAST driver_name, WXSTRINGCAST device_name, WXSTRINGCAST file, NULL);
  90             m_ok = m_hDC ? TRUE: FALSE;
  91         }
  92         else
  93         {
  94             wxPrintData printData;
  95             printData.SetOrientation(orientation);
  96             m_hDC = wxGetPrinterDC(printData);
  97             m_ok = m_hDC ? TRUE: FALSE;
  98         }
  99
 100         if (m_hDC)
 101         {
 102             //     int width = GetDeviceCaps(m_hDC, VERTRES);
 103             //     int height = GetDeviceCaps(m_hDC, HORZRES);
 104             SetMapMode(wxMM_TEXT);
 105         }
 106         SetBrush(*wxBLACK_BRUSH);
 107         SetPen(*wxBLACK_PEN);
 108 }
 109
 110 wxPrinterDC::wxPrinterDC(const wxPrintData& printData)
 111 {
 112     m_printData = printData;
 113
 114     m_isInteractive = FALSE;
 115
 116     m_hDC = wxGetPrinterDC(printData);
 117     m_ok = (m_hDC != 0);
 118
 119     if (m_hDC)
 120         SetMapMode(wxMM_TEXT);
 121
 122     SetBrush(*wxBLACK_BRUSH);
 123     SetPen(*wxBLACK_PEN);
 124 }
 125
 126
 127 wxPrinterDC::wxPrinterDC(WXHDC theDC)
 128 {
 129     m_isInteractive = FALSE;
 130
 131     m_hDC = theDC;
 132     m_ok = TRUE;
 133     if (m_hDC)
 134     {
 135         //     int width = GetDeviceCaps(m_hDC, VERTRES);
 136         //     int height = GetDeviceCaps(m_hDC, HORZRES);
 137         SetMapMode(wxMM_TEXT);
 138     }
 139     SetBrush(*wxBLACK_BRUSH);
 140     SetPen(*wxBLACK_PEN);
 141 }
 142
 143 wxPrinterDC::~wxPrinterDC(void)
 144 {
 145 }
 146
 147 bool wxPrinterDC::StartDoc(const wxString& message)
 148 {
 149     DOCINFO docinfo;
 150     docinfo.cbSize = sizeof(DOCINFO);
 151     docinfo.lpszDocName = (const wxChar*)message;
 152
 153     wxString filename(m_printData.GetFilename());
 154
 155     if (filename.IsEmpty())
 156         docinfo.lpszOutput = NULL;
 157     else
 158         docinfo.lpszOutput = (const wxChar *) filename;
 159
 160 #if defined(__WIN95__)
 161     docinfo.lpszDatatype = NULL;
 162     docinfo.fwType = 0;
 163 #endif
 164
 165     if (!m_hDC)
 166         return FALSE;
 167
 168     int ret =
 169 #ifndef __WIN32__
 170         ::StartDoc((HDC) m_hDC, &docinfo);
 171 #else
 172 #ifdef UNICODE
 173     ::StartDocW((HDC) m_hDC, &docinfo);
 174 #else
 175 #ifdef __TWIN32__
 176     ::StartDoc((HDC) m_hDC, &docinfo);
 177 #else
 178     ::StartDocA((HDC) m_hDC, &docinfo);
 179 #endif
 180 #endif
 181 #endif
 182
 183 #ifndef __WIN16__
 184     if (ret <= 0)
 185     {
 186         DWORD lastError = GetLastError();
 187         wxLogDebug(_T("wxDC::StartDoc failed with error: %d\n"), lastError);
 188     }
 189 #endif
 190
 191     return (ret > 0);
 192 }
 193
 194 void wxPrinterDC::EndDoc(void)
 195 {
 196     if (m_hDC) ::EndDoc((HDC) m_hDC);
 197 }
 198
 199 void wxPrinterDC::StartPage(void)
 200 {
 201     if (m_hDC)
 202         ::StartPage((HDC) m_hDC);
 203 }
 204
 205 void wxPrinterDC::EndPage(void)
 206 {
 207     if (m_hDC)
 208         ::EndPage((HDC) m_hDC);
 209 }
 210
 211 // Returns default device and port names
 212 static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName)
 213 {
 214     deviceName = "";
 215
 216     LPDEVNAMES  lpDevNames;
 217     LPSTR       lpszDriverName;
 218     LPSTR       lpszDeviceName;
 219     LPSTR       lpszPortName;
 220
 221     PRINTDLG    pd;
 222
 223     // Cygwin has trouble believing PRINTDLG is 66 bytes - thinks it is 68
 224 #ifdef __GNUWIN32__
 225     pd.lStructSize    = 66; // sizeof(PRINTDLG);
 226 #else
 227     pd.lStructSize    = sizeof(PRINTDLG);
 228 #endif
 229
 230     pd.hwndOwner      = (HWND)NULL;
 231     pd.hDevMode       = NULL; // Will be created by PrintDlg
 232     pd.hDevNames      = NULL; // Ditto
 233     pd.Flags          = PD_RETURNDEFAULT;
 234     pd.nCopies        = 1;
 235
 236     if (!PrintDlg((LPPRINTDLG)&pd))
 237     {
 238         if ( pd.hDevMode )
 239             GlobalFree(pd.hDevMode);
 240         if (pd.hDevNames)
 241             GlobalFree(pd.hDevNames);
 242
 243         return FALSE;
 244     }
 245
 246     if (pd.hDevNames)
 247     {
 248         lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames);
 249         lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset;
 250         lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset;
 251         lpszPortName   = (LPSTR)lpDevNames + lpDevNames->wOutputOffset;
 252         GlobalUnlock(pd.hDevNames);
 253         GlobalFree(pd.hDevNames);
 254         pd.hDevNames=NULL;
 255
 256         deviceName = lpszDeviceName;
 257         portName = lpszPortName;
 258     }
 259
 260     if (pd.hDevMode)
 261     {
 262         GlobalFree(pd.hDevMode);
 263         pd.hDevMode=NULL;
 264     }
 265     return ( deviceName != _T("") );
 266 }
 267
 268 #if 0
 269 // This uses defaults, except for orientation, so we should eliminate this function
 270 // and use the 2nd form (passing wxPrintData) instead.
 271 WXHDC wxGetPrinterDC(int orientation)
 272 {
 273     HDC         hDC;
 274     LPDEVMODE   lpDevMode = NULL;
 275     LPDEVNAMES  lpDevNames;
 276     LPSTR       lpszDriverName;
 277     LPSTR       lpszDeviceName;
 278     LPSTR       lpszPortName;
 279
 280     PRINTDLG    pd;
 281     // __GNUWIN32__ has trouble believing PRINTDLG is 66 bytes - thinks it is 68
 282 #ifdef __GNUWIN32__
 283     pd.lStructSize    = 66; // sizeof(PRINTDLG);
 284 #else
 285     pd.lStructSize    = sizeof(PRINTDLG);
 286 #endif
 287     pd.hwndOwner      = (HWND)NULL;
 288     pd.hDevMode       = NULL; // Will be created by PrintDlg
 289     pd.hDevNames      = NULL; // Ditto
 290     pd.Flags          = PD_RETURNDEFAULT;
 291     pd.nCopies        = 1;
 292
 293     if (!PrintDlg((LPPRINTDLG)&pd))
 294     {
 295         if ( pd.hDevMode )
 296             GlobalFree(pd.hDevMode);
 297         if (pd.hDevNames)
 298             GlobalFree(pd.hDevNames);
 299
 300         return(0);
 301     }
 302
 303     if (!pd.hDevNames)
 304     {
 305         if ( pd.hDevMode )
 306             GlobalFree(pd.hDevMode);
 307     }
 308
 309     lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames);
 310     lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset;
 311     lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset;
 312     lpszPortName   = (LPSTR)lpDevNames + lpDevNames->wOutputOffset;
 313     GlobalUnlock(pd.hDevNames);
 314
 315     if ( pd.hDevMode )
 316     {
 317         lpDevMode = (DEVMODE*) GlobalLock(pd.hDevMode);
 318         lpDevMode->dmOrientation = orientation;
 319         lpDevMode->dmFields |= DM_ORIENTATION;
 320     }
 321
 322 #ifdef __WIN32__
 323     hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (DEVMODE *)lpDevMode);
 324 #else
 325     hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (LPSTR)lpDevMode);
 326 #endif
 327
 328     if (pd.hDevMode && lpDevMode)
 329         GlobalUnlock(pd.hDevMode);
 330
 331     if (pd.hDevNames)
 332     {
 333         GlobalFree(pd.hDevNames);
 334         pd.hDevNames=NULL;
 335     }
 336     if (pd.hDevMode)
 337     {
 338         GlobalFree(pd.hDevMode);
 339         pd.hDevMode=NULL;
 340     }
 341     return (WXHDC) hDC;
 342 }
 343 #endif
 344
 345 // Gets an HDC for the specified printer configuration
 346 WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst)
 347 {
 348     wxPrintData printData = printDataConst;
 349     printData.ConvertToNative();
 350
 351     wxChar* driverName = (wxChar*) NULL;
 352
 353     wxString devNameStr = printData.GetPrinterName();
 354     wxChar* deviceName;
 355     wxChar* portName = (wxChar*) NULL; // Obsolete in WIN32
 356
 357     if (devNameStr == _T(""))
 358         deviceName = (wxChar*) NULL;
 359     else
 360         deviceName = WXSTRINGCAST devNameStr;
 361
 362     LPDEVMODE lpDevMode = (LPDEVMODE) NULL;
 363
 364     HGLOBAL hDevMode = (HGLOBAL)(DWORD) printData.GetNativeData();
 365
 366     if ( hDevMode )
 367         lpDevMode = (DEVMODE*) GlobalLock(hDevMode);
 368
 369     if (devNameStr == _T(""))
 370     {
 371         // Retrieve the default device name
 372         wxString portName;
 373         bool ret = wxGetDefaultDeviceName(devNameStr, portName);
 374
 375         wxASSERT_MSG( ret, _T("Could not get default device name.") );
 376
 377         deviceName = WXSTRINGCAST devNameStr;
 378     }
 379
 380 #ifdef __WIN32__
 381     HDC hDC = CreateDC(driverName, deviceName, portName, (DEVMODE *) lpDevMode);
 382 #else
 383     HDC hDC = CreateDC(driverName, deviceName, portName, (LPSTR) lpDevMode);
 384 #endif
 385
 386     if (hDevMode && lpDevMode)
 387         GlobalUnlock(hDevMode);
 388
 389     return (WXHDC) hDC;
 390 }
 391