| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/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 |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #ifdef __GNUG__ |
| 21 | #pragma implementation "dcprint.h" |
| 22 | #endif |
| 23 | |
| 24 | // For compilers that support precompilation, includes "wx.h". |
| 25 | #include "wx/wxprec.h" |
| 26 | |
| 27 | #ifdef __BORLANDC__ |
| 28 | #pragma hdrstop |
| 29 | #endif |
| 30 | |
| 31 | #ifndef WX_PRECOMP |
| 32 | #include "wx/string.h" |
| 33 | #include "wx/log.h" |
| 34 | #include "wx/window.h" |
| 35 | #include "wx/dcmemory.h" |
| 36 | #endif |
| 37 | |
| 38 | #if wxUSE_PRINTING_ARCHITECTURE |
| 39 | |
| 40 | #include "wx/msw/private.h" |
| 41 | #include "wx/msw/dib.h" |
| 42 | #include "wx/dcprint.h" |
| 43 | #include "math.h" |
| 44 | |
| 45 | #if wxUSE_COMMON_DIALOGS |
| 46 | #include <commdlg.h> |
| 47 | #endif |
| 48 | |
| 49 | #ifndef __WIN32__ |
| 50 | #include <print.h> |
| 51 | #endif |
| 52 | |
| 53 | // mingw32 defines GDI_ERROR incorrectly |
| 54 | #if defined(__GNUWIN32__) || !defined(GDI_ERROR) |
| 55 | #undef GDI_ERROR |
| 56 | #define GDI_ERROR ((int)-1) |
| 57 | #endif |
| 58 | |
| 59 | // ---------------------------------------------------------------------------- |
| 60 | // wxWin macros |
| 61 | // ---------------------------------------------------------------------------- |
| 62 | |
| 63 | IMPLEMENT_CLASS(wxPrinterDC, wxDC) |
| 64 | |
| 65 | // ============================================================================ |
| 66 | // implementation |
| 67 | // ============================================================================ |
| 68 | |
| 69 | // ---------------------------------------------------------------------------- |
| 70 | // wxPrinterDC construction |
| 71 | // ---------------------------------------------------------------------------- |
| 72 | |
| 73 | // This form is deprecated |
| 74 | wxPrinterDC::wxPrinterDC(const wxString& driver_name, |
| 75 | const wxString& device_name, |
| 76 | const wxString& file, |
| 77 | bool interactive, |
| 78 | int orientation) |
| 79 | { |
| 80 | m_isInteractive = interactive; |
| 81 | |
| 82 | if ( !file.empty() ) |
| 83 | m_printData.SetFilename(file); |
| 84 | |
| 85 | #if wxUSE_COMMON_DIALOGS |
| 86 | if ( interactive ) |
| 87 | { |
| 88 | PRINTDLG pd; |
| 89 | |
| 90 | pd.lStructSize = sizeof( PRINTDLG ); |
| 91 | pd.hwndOwner = (HWND) NULL; |
| 92 | pd.hDevMode = (HANDLE)NULL; |
| 93 | pd.hDevNames = (HANDLE)NULL; |
| 94 | pd.Flags = PD_RETURNDC | PD_NOSELECTION | PD_NOPAGENUMS; |
| 95 | pd.nFromPage = 0; |
| 96 | pd.nToPage = 0; |
| 97 | pd.nMinPage = 0; |
| 98 | pd.nMaxPage = 0; |
| 99 | pd.nCopies = 1; |
| 100 | pd.hInstance = (HINSTANCE)NULL; |
| 101 | |
| 102 | m_ok = PrintDlg( &pd ) != 0; |
| 103 | if ( m_ok ) |
| 104 | { |
| 105 | m_hDC = (WXHDC) pd.hDC; |
| 106 | } |
| 107 | } |
| 108 | else |
| 109 | #endif // wxUSE_COMMON_DIALOGS |
| 110 | { |
| 111 | if ( !driver_name.empty() && !device_name.empty() && !file.empty() ) |
| 112 | { |
| 113 | m_hDC = (WXHDC) CreateDC(driver_name, device_name, file, NULL); |
| 114 | } |
| 115 | else // we don't have all parameters, ask the user |
| 116 | { |
| 117 | wxPrintData printData; |
| 118 | printData.SetOrientation(orientation); |
| 119 | m_hDC = wxGetPrinterDC(printData); |
| 120 | } |
| 121 | |
| 122 | m_ok = m_hDC ? TRUE: FALSE; |
| 123 | |
| 124 | // as we created it, we must delete it as well |
| 125 | m_bOwnsDC = TRUE; |
| 126 | } |
| 127 | |
| 128 | Init(); |
| 129 | } |
| 130 | |
| 131 | wxPrinterDC::wxPrinterDC(const wxPrintData& printData) |
| 132 | { |
| 133 | m_printData = printData; |
| 134 | |
| 135 | m_isInteractive = FALSE; |
| 136 | |
| 137 | m_hDC = wxGetPrinterDC(printData); |
| 138 | m_ok = m_hDC != 0; |
| 139 | m_bOwnsDC = TRUE; |
| 140 | |
| 141 | Init(); |
| 142 | } |
| 143 | |
| 144 | |
| 145 | wxPrinterDC::wxPrinterDC(WXHDC dc) |
| 146 | { |
| 147 | m_isInteractive = FALSE; |
| 148 | |
| 149 | m_hDC = dc; |
| 150 | m_bOwnsDC = TRUE; |
| 151 | m_ok = TRUE; |
| 152 | } |
| 153 | |
| 154 | void wxPrinterDC::Init() |
| 155 | { |
| 156 | if ( m_hDC ) |
| 157 | { |
| 158 | // int width = GetDeviceCaps(m_hDC, VERTRES); |
| 159 | // int height = GetDeviceCaps(m_hDC, HORZRES); |
| 160 | SetMapMode(wxMM_TEXT); |
| 161 | |
| 162 | SetBrush(*wxBLACK_BRUSH); |
| 163 | SetPen(*wxBLACK_PEN); |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | // ---------------------------------------------------------------------------- |
| 168 | // wxPrinterDC {Start/End}{Page/Doc} methods |
| 169 | // ---------------------------------------------------------------------------- |
| 170 | |
| 171 | bool wxPrinterDC::StartDoc(const wxString& message) |
| 172 | { |
| 173 | DOCINFO docinfo; |
| 174 | docinfo.cbSize = sizeof(DOCINFO); |
| 175 | docinfo.lpszDocName = (const wxChar*)message; |
| 176 | |
| 177 | wxString filename(m_printData.GetFilename()); |
| 178 | |
| 179 | if (filename.IsEmpty()) |
| 180 | docinfo.lpszOutput = NULL; |
| 181 | else |
| 182 | docinfo.lpszOutput = (const wxChar *) filename; |
| 183 | |
| 184 | #if defined(__WIN95__) |
| 185 | docinfo.lpszDatatype = NULL; |
| 186 | docinfo.fwType = 0; |
| 187 | #endif |
| 188 | |
| 189 | if (!m_hDC) |
| 190 | return FALSE; |
| 191 | |
| 192 | int ret = ::StartDoc(GetHdc(), &docinfo); |
| 193 | |
| 194 | #ifndef __WIN16__ |
| 195 | if (ret <= 0) |
| 196 | { |
| 197 | DWORD lastError = GetLastError(); |
| 198 | wxLogDebug(wxT("wxDC::StartDoc failed with error: %ld\n"), lastError); |
| 199 | } |
| 200 | #endif |
| 201 | |
| 202 | return (ret > 0); |
| 203 | } |
| 204 | |
| 205 | void wxPrinterDC::EndDoc() |
| 206 | { |
| 207 | if (m_hDC) ::EndDoc((HDC) m_hDC); |
| 208 | } |
| 209 | |
| 210 | void wxPrinterDC::StartPage() |
| 211 | { |
| 212 | if (m_hDC) |
| 213 | ::StartPage((HDC) m_hDC); |
| 214 | } |
| 215 | |
| 216 | void wxPrinterDC::EndPage() |
| 217 | { |
| 218 | if (m_hDC) |
| 219 | ::EndPage((HDC) m_hDC); |
| 220 | } |
| 221 | |
| 222 | // Returns default device and port names |
| 223 | static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName) |
| 224 | { |
| 225 | deviceName.clear(); |
| 226 | |
| 227 | LPDEVNAMES lpDevNames; |
| 228 | LPTSTR lpszDriverName; |
| 229 | LPTSTR lpszDeviceName; |
| 230 | LPTSTR lpszPortName; |
| 231 | |
| 232 | PRINTDLG pd; |
| 233 | |
| 234 | // Cygwin has trouble believing PRINTDLG is 66 bytes - thinks it is 68 |
| 235 | #ifdef __GNUWIN32__ |
| 236 | memset(&pd, 0, 66); |
| 237 | pd.lStructSize = 66; // sizeof(PRINTDLG); |
| 238 | #else |
| 239 | memset(&pd, 0, sizeof(PRINTDLG)); |
| 240 | pd.lStructSize = sizeof(PRINTDLG); |
| 241 | #endif |
| 242 | |
| 243 | pd.hwndOwner = (HWND)NULL; |
| 244 | pd.hDevMode = NULL; // Will be created by PrintDlg |
| 245 | pd.hDevNames = NULL; // Ditto |
| 246 | pd.Flags = PD_RETURNDEFAULT; |
| 247 | pd.nCopies = 1; |
| 248 | |
| 249 | if (!PrintDlg((LPPRINTDLG)&pd)) |
| 250 | { |
| 251 | if ( pd.hDevMode ) |
| 252 | GlobalFree(pd.hDevMode); |
| 253 | if (pd.hDevNames) |
| 254 | GlobalFree(pd.hDevNames); |
| 255 | |
| 256 | return FALSE; |
| 257 | } |
| 258 | |
| 259 | if (pd.hDevNames) |
| 260 | { |
| 261 | lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames); |
| 262 | lpszDriverName = (LPTSTR)lpDevNames + lpDevNames->wDriverOffset; |
| 263 | lpszDeviceName = (LPTSTR)lpDevNames + lpDevNames->wDeviceOffset; |
| 264 | lpszPortName = (LPTSTR)lpDevNames + lpDevNames->wOutputOffset; |
| 265 | |
| 266 | deviceName = lpszDeviceName; |
| 267 | portName = lpszPortName; |
| 268 | |
| 269 | GlobalUnlock(pd.hDevNames); |
| 270 | GlobalFree(pd.hDevNames); |
| 271 | pd.hDevNames=NULL; |
| 272 | } |
| 273 | |
| 274 | if (pd.hDevMode) |
| 275 | { |
| 276 | GlobalFree(pd.hDevMode); |
| 277 | pd.hDevMode=NULL; |
| 278 | } |
| 279 | return ( deviceName != wxT("") ); |
| 280 | } |
| 281 | |
| 282 | // Gets an HDC for the specified printer configuration |
| 283 | WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) |
| 284 | { |
| 285 | wxPrintData printData = printDataConst; |
| 286 | printData.ConvertToNative(); |
| 287 | |
| 288 | wxChar* driverName = (wxChar*) NULL; |
| 289 | |
| 290 | wxString devNameStr = printData.GetPrinterName(); |
| 291 | wxChar* portName = (wxChar*) NULL; // Obsolete in WIN32 |
| 292 | |
| 293 | const wxChar* deviceName; |
| 294 | if ( !devNameStr ) |
| 295 | deviceName = (wxChar*) NULL; |
| 296 | else |
| 297 | deviceName = devNameStr.c_str(); |
| 298 | |
| 299 | LPDEVMODE lpDevMode = (LPDEVMODE) NULL; |
| 300 | |
| 301 | HGLOBAL hDevMode = (HGLOBAL)(DWORD) printData.GetNativeData(); |
| 302 | |
| 303 | if ( hDevMode ) |
| 304 | lpDevMode = (DEVMODE*) GlobalLock(hDevMode); |
| 305 | |
| 306 | if ( !devNameStr ) |
| 307 | { |
| 308 | // Retrieve the default device name |
| 309 | wxString portName; |
| 310 | #ifdef __WXDEBUG__ |
| 311 | bool ret = |
| 312 | #else // !Debug |
| 313 | (void) |
| 314 | #endif // Debug/Release |
| 315 | wxGetDefaultDeviceName(devNameStr, portName); |
| 316 | |
| 317 | wxASSERT_MSG( ret, wxT("Could not get default device name.") ); |
| 318 | |
| 319 | deviceName = devNameStr.c_str(); |
| 320 | } |
| 321 | |
| 322 | #ifdef __WIN32__ |
| 323 | HDC hDC = CreateDC(driverName, deviceName, portName, (DEVMODE *) lpDevMode); |
| 324 | #else |
| 325 | HDC hDC = CreateDC(driverName, deviceName, portName, (LPSTR) lpDevMode); |
| 326 | #endif |
| 327 | |
| 328 | if (hDevMode && lpDevMode) |
| 329 | GlobalUnlock(hDevMode); |
| 330 | |
| 331 | return (WXHDC) hDC; |
| 332 | } |
| 333 | |
| 334 | // ---------------------------------------------------------------------------- |
| 335 | // wxPrinterDC bit blitting/bitmap drawing |
| 336 | // ---------------------------------------------------------------------------- |
| 337 | |
| 338 | // helper of DoDrawBitmap() and DoBlit() |
| 339 | static |
| 340 | bool DrawBitmapUsingStretchDIBits(HDC hdc, |
| 341 | const wxBitmap& bmp, |
| 342 | wxCoord x, wxCoord y) |
| 343 | { |
| 344 | wxDIB dib(bmp); |
| 345 | if ( !dib.IsOk() ) |
| 346 | return FALSE; |
| 347 | |
| 348 | DIBSECTION ds; |
| 349 | if ( !::GetObject(dib.GetHandle(), sizeof(ds), &ds) ) |
| 350 | { |
| 351 | wxLogLastError(_T("GetObject(DIBSECTION)")); |
| 352 | |
| 353 | return FALSE; |
| 354 | } |
| 355 | |
| 356 | // ok, we've got all data we need, do blit it |
| 357 | if ( ::StretchDIBits |
| 358 | ( |
| 359 | hdc, |
| 360 | x, y, |
| 361 | ds.dsBmih.biWidth, ds.dsBmih.biHeight, |
| 362 | 0, 0, |
| 363 | ds.dsBmih.biWidth, ds.dsBmih.biHeight, |
| 364 | ds.dsBm.bmBits, |
| 365 | (LPBITMAPINFO)&ds.dsBmih, |
| 366 | DIB_RGB_COLORS, |
| 367 | SRCCOPY |
| 368 | ) == GDI_ERROR ) |
| 369 | { |
| 370 | wxLogLastError(wxT("StretchDIBits")); |
| 371 | |
| 372 | return FALSE; |
| 373 | } |
| 374 | |
| 375 | return TRUE; |
| 376 | } |
| 377 | |
| 378 | void wxPrinterDC::DoDrawBitmap(const wxBitmap& bmp, |
| 379 | wxCoord x, wxCoord y, |
| 380 | bool useMask) |
| 381 | { |
| 382 | wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxPrinterDC::DrawBitmap") ); |
| 383 | |
| 384 | int width = bmp.GetWidth(), |
| 385 | height = bmp.GetHeight(); |
| 386 | |
| 387 | if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) || |
| 388 | !DrawBitmapUsingStretchDIBits(GetHdc(), bmp, x, y) ) |
| 389 | { |
| 390 | // no support for StretchDIBits() or an error occured if we got here |
| 391 | wxMemoryDC memDC; |
| 392 | memDC.SelectObject(bmp); |
| 393 | |
| 394 | Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask); |
| 395 | |
| 396 | memDC.SelectObject(wxNullBitmap); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | bool wxPrinterDC::DoBlit(wxCoord xdest, wxCoord ydest, |
| 401 | wxCoord width, wxCoord height, |
| 402 | wxDC *source, |
| 403 | wxCoord xsrc, wxCoord ysrc, |
| 404 | int WXUNUSED(rop), bool useMask, |
| 405 | wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask)) |
| 406 | { |
| 407 | wxBitmap& bmp = source->GetSelectedBitmap(); |
| 408 | wxMask *mask = useMask ? bmp.GetMask() : NULL; |
| 409 | if ( mask ) |
| 410 | { |
| 411 | // If we are printing source colours are screen colours not printer |
| 412 | // colours and so we need copy the bitmap pixel by pixel. |
| 413 | RECT rect; |
| 414 | HDC dcSrc = GetHdcOf(*source); |
| 415 | MemoryHDC dcMask(dcSrc); |
| 416 | SelectInHDC selectMask(dcMask, (HBITMAP)mask->GetMaskBitmap()); |
| 417 | |
| 418 | for (int x = 0; x < width; x++) |
| 419 | { |
| 420 | for (int y = 0; y < height; y++) |
| 421 | { |
| 422 | COLORREF cref = ::GetPixel(dcMask, x, y); |
| 423 | if (cref) |
| 424 | { |
| 425 | HBRUSH brush = ::CreateSolidBrush(::GetPixel(dcSrc, x, y)); |
| 426 | rect.left = xdest + x; |
| 427 | rect.right = rect.left + 1; |
| 428 | rect.top = ydest + y; |
| 429 | rect.bottom = rect.top + 1; |
| 430 | ::FillRect(GetHdc(), &rect, brush); |
| 431 | ::DeleteObject(brush); |
| 432 | } |
| 433 | } |
| 434 | } |
| 435 | } |
| 436 | else // no mask |
| 437 | { |
| 438 | if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) || |
| 439 | !DrawBitmapUsingStretchDIBits(GetHdc(), bmp, xdest, ydest) ) |
| 440 | { |
| 441 | // no support for StretchDIBits |
| 442 | |
| 443 | // as we are printing, source colours are screen colours not |
| 444 | // printer colours and so we need copy the bitmap pixel by pixel. |
| 445 | HDC dcSrc = GetHdcOf(*source); |
| 446 | RECT rect; |
| 447 | for (int y = 0; y < height; y++) |
| 448 | { |
| 449 | // optimization: draw identical adjacent pixels together. |
| 450 | for (int x = 0; x < width; x++) |
| 451 | { |
| 452 | COLORREF col = ::GetPixel(dcSrc, x, y); |
| 453 | HBRUSH brush = ::CreateSolidBrush( col ); |
| 454 | |
| 455 | rect.left = xdest + x; |
| 456 | rect.top = ydest + y; |
| 457 | while( (x + 1 < width) && |
| 458 | (::GetPixel(dcSrc, x + 1, y) == col ) ) |
| 459 | { |
| 460 | ++x; |
| 461 | } |
| 462 | rect.right = xdest + x + 1; |
| 463 | rect.bottom = rect.top + 1; |
| 464 | ::FillRect((HDC) m_hDC, &rect, brush); |
| 465 | ::DeleteObject(brush); |
| 466 | } |
| 467 | } |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | return TRUE; |
| 472 | } |
| 473 | |
| 474 | #endif |
| 475 | // wxUSE_PRINTING_ARCHITECTURE |