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1 | /* |
2 | * lpr for cygwin/windows | |
3 | * | |
4 | * Copyright (C) 2000-2003 Rick Rankin | |
5 | * http://www.cygwin.com/ml/cygwin/2000-07/msg00320.html | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation in version 2 of the License. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | #include "src/lpr/Printer.hh" | |
22 | #include "src/lpr/Win32Utils.hh" | |
23 | ||
24 | inline LPTSTR tstr(const string & str) | |
25 | { | |
26 | return const_cast<char*>(str.c_str()); | |
27 | } | |
28 | ||
29 | Printer::Printer(const string &name, bool debugFlag) | |
30 | throw(PrinterException) | |
31 | : m_devName(name), | |
32 | m_debugFlag(debugFlag), | |
33 | m_devHandle(INVALID_HANDLE_VALUE), | |
34 | m_devMode(0), | |
35 | m_buffer(0), | |
36 | m_bufferSize(4096), | |
a18d2869 CW |
37 | m_bufferIndex(0), |
38 | m_rawFlag(false) | |
21006e63 CW |
39 | { |
40 | m_buffer = new unsigned char[m_bufferSize]; | |
41 | mapPortName(); | |
42 | ||
43 | open(); | |
44 | ||
45 | // Initialize the DEVMODE structure | |
46 | // Get the amount of space needed for the buffer. | |
47 | DWORD needed = DocumentProperties(NULL, m_devHandle, tstr(m_devName), | |
48 | NULL, NULL, 0); | |
49 | ||
50 | m_devMode = reinterpret_cast<DEVMODE *>(new unsigned char[needed]); | |
51 | ||
52 | // Get the default DEVMODE for the printer. | |
53 | DWORD ret = DocumentProperties(NULL, m_devHandle, tstr(m_devName), | |
54 | m_devMode, NULL, DM_OUT_BUFFER); | |
55 | if (ret != IDOK) | |
56 | throw PrinterException("error getting the default device mode: " + | |
57 | Win32Utils::getErrorMessage()); | |
58 | ||
59 | // Close the printer, because we'll need to reopen it later, passing it | |
60 | // the DEVMODE structure with any optional changes by the user. | |
61 | close(); | |
62 | } | |
63 | ||
64 | Printer::~Printer() | |
65 | { | |
66 | close(); | |
67 | if (m_buffer != 0) | |
68 | delete [] m_buffer; | |
69 | if (m_devMode != 0) | |
70 | delete m_devMode; | |
71 | } | |
72 | ||
73 | void Printer::close() | |
74 | { | |
75 | if (m_devHandle != INVALID_HANDLE_VALUE) | |
76 | { | |
77 | ClosePrinter(m_devHandle); | |
78 | m_devHandle = INVALID_HANDLE_VALUE; | |
79 | } | |
80 | } | |
81 | ||
82 | void Printer::endDoc() | |
83 | throw(PrinterException) | |
84 | { | |
85 | if (!EndDocPrinter(m_devHandle)) | |
86 | throw PrinterException("EndDocPrinter error: " + | |
87 | Win32Utils::getErrorMessage()); | |
88 | } | |
89 | ||
90 | void Printer::endPage() | |
91 | throw(PrinterException) | |
92 | { | |
93 | cout << "Printer::endPage()" << endl; | |
94 | if (!EndPagePrinter(m_devHandle)) | |
95 | throw PrinterException("EndPagePrinter error: " + | |
96 | Win32Utils::getErrorMessage()); | |
97 | } | |
98 | ||
99 | void Printer::flush(void) | |
100 | throw(PrinterException) | |
101 | { | |
102 | if (m_bufferIndex > 0) | |
103 | { | |
104 | write(m_buffer, m_bufferIndex); | |
105 | m_bufferIndex = 0; | |
106 | } | |
107 | } | |
108 | ||
a18d2869 CW |
109 | bool Printer::getRawFlag() const |
110 | { | |
111 | return m_rawFlag; | |
112 | } | |
113 | ||
21006e63 CW |
114 | void Printer::print(istream & in, const string & docName) |
115 | throw(PrinterException) | |
116 | { | |
117 | startDoc(docName); | |
118 | ||
119 | char ch; | |
120 | char lastCh = '\0'; | |
121 | while (!in.eof()) | |
122 | { | |
123 | in.get(ch); | |
a18d2869 | 124 | if (!m_rawFlag && ch == '\n' && lastCh != '\r') |
21006e63 CW |
125 | put('\r'); |
126 | put(ch); | |
127 | lastCh = ch; | |
128 | } | |
129 | flush(); | |
130 | endDoc(); | |
131 | } | |
132 | ||
133 | void Printer::put(unsigned char ch) | |
134 | throw(PrinterException) | |
135 | { | |
136 | if (m_bufferIndex == m_bufferSize) | |
137 | flush(); | |
138 | m_buffer[m_bufferIndex++] = ch; | |
139 | } | |
a18d2869 CW |
140 | |
141 | void Printer::setRawFlag(bool flag) | |
142 | { | |
143 | m_rawFlag = flag; | |
144 | } | |
145 | ||
21006e63 CW |
146 | void Printer::startDoc(const string & docName) |
147 | throw(PrinterException) | |
148 | { | |
149 | DOC_INFO_1 di1; | |
150 | ||
151 | open(); | |
152 | ||
153 | di1.pDocName = tstr(docName); | |
154 | di1.pOutputFile = 0; | |
155 | di1.pDatatype = "RAW"; | |
156 | ||
157 | if (StartDocPrinter(m_devHandle, 1, (LPBYTE) &di1) == 0) | |
158 | throw PrinterException("StartDocPrinter error: " + | |
159 | Win32Utils::getErrorMessage()); | |
160 | } | |
161 | ||
162 | void Printer::startPage() | |
163 | throw(PrinterException) | |
164 | { | |
165 | cout << "Printer::startPage()" << endl; | |
166 | if (!StartPagePrinter(m_devHandle)) | |
167 | throw PrinterException("StartPagePrinter error: " + | |
168 | Win32Utils::getErrorMessage()); | |
169 | } | |
170 | ||
171 | void Printer::write(unsigned char *buf, unsigned int size) | |
172 | throw(PrinterException) | |
173 | { | |
174 | DWORD written; | |
175 | if (!WritePrinter(m_devHandle, buf, size, &written)) | |
176 | throw PrinterException("error writing to device '" + m_devName + "': " + | |
177 | Win32Utils::getErrorMessage()); | |
178 | } | |
179 | ||
180 | //*************************************************************************** | |
181 | // | |
182 | // Private operations | |
183 | // | |
184 | //*************************************************************************** | |
185 | ||
186 | Printer::PrinterList Printer::enumPrinters(DWORD flags, LPTSTR name) | |
187 | throw(PrinterException) | |
188 | { | |
189 | DWORD numPrinters; | |
190 | DWORD bytesNeeded; | |
191 | EnumPrinters(flags, name, 5, 0, 0, &bytesNeeded, &numPrinters); | |
192 | auto_ptr<BYTE> enumBuffer(new BYTE[bytesNeeded]); | |
193 | if (!EnumPrinters(flags, name, 5, enumBuffer.get(), bytesNeeded, | |
194 | &bytesNeeded, &numPrinters)) | |
195 | throw PrinterException("unable to enumerate printers: " + | |
196 | Win32Utils::getErrorMessage()); | |
197 | ||
198 | PRINTER_INFO_5 *pi = reinterpret_cast<PRINTER_INFO_5 *>(enumBuffer.get()); | |
199 | ||
200 | PrinterList list; | |
201 | for (unsigned int ii = 0; ii < numPrinters; ++ii) | |
202 | { | |
203 | if (m_debugFlag) | |
204 | cerr << "Printer name: '" << pi->pPrinterName << "', " | |
205 | << "Port name: '" << pi->pPortName << "'" << endl; | |
206 | list.push_back(*pi++); | |
207 | } | |
208 | ||
209 | return list; | |
210 | } | |
211 | ||
212 | void Printer::mapPortName() | |
213 | throw(PrinterException) | |
214 | { | |
215 | ||
216 | OSVERSIONINFO osvi; | |
217 | osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); | |
218 | GetVersionEx(&osvi); | |
219 | bool isWindows9x = (osvi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS && | |
220 | (osvi.dwMajorVersion > 4 || | |
221 | (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion > 0))); | |
222 | ||
223 | bool isWindows2K_NT4 = (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT && | |
224 | osvi.dwMajorVersion >= 4); | |
225 | ||
226 | if (m_debugFlag) | |
227 | cout << "isWindows9x = " << isWindows9x << ", " | |
228 | << "isWindows2K_NT4 = " << isWindows2K_NT4 << endl; | |
229 | ||
230 | ||
231 | if (isWindows9x) | |
232 | { | |
233 | PrinterList list = enumPrinters(PRINTER_ENUM_NAME, ""); | |
234 | for (PrinterList::iterator it = list.begin(); it != list.end(); ++it) | |
235 | { | |
236 | if (stricmp(m_devName.c_str(), it->pPortName) == 0) | |
237 | { | |
238 | if (m_debugFlag) | |
239 | cout << "Mapped '" << m_devName << "' to '" << it->pPrinterName | |
240 | << "'" << endl; | |
241 | m_devName = it->pPrinterName; | |
242 | return; | |
243 | } | |
244 | } | |
245 | } | |
246 | ||
247 | else if (isWindows2K_NT4) | |
248 | { | |
249 | PrinterList list = enumPrinters(PRINTER_ENUM_LOCAL, 0); | |
250 | for (PrinterList::iterator it = list.begin(); it != list.end(); ++it) | |
251 | { | |
252 | if (stricmp(m_devName.c_str(), it->pPortName) == 0) | |
253 | { | |
254 | if (m_debugFlag) | |
255 | cout << "Mapped '" << m_devName << "' to '" << it->pPrinterName | |
256 | << "'" << endl; | |
257 | m_devName = it->pPrinterName; | |
258 | return; | |
259 | } | |
260 | } | |
261 | ||
262 | list = enumPrinters(PRINTER_ENUM_CONNECTIONS, 0); | |
263 | for (PrinterList::iterator it = list.begin(); it != list.end(); ++it) | |
264 | { | |
265 | if (stricmp(m_devName.c_str(), it->pPortName) == 0) | |
266 | { | |
267 | if (m_debugFlag) | |
268 | cout << "Mapped '" << m_devName << "' to '" << it->pPrinterName | |
269 | << "'" << endl; | |
270 | m_devName = it->pPrinterName; | |
271 | return; | |
272 | } | |
273 | } | |
274 | } | |
275 | } | |
276 | ||
277 | void Printer::open() | |
278 | throw(PrinterException) | |
279 | { | |
280 | PRINTER_DEFAULTS prDef; | |
281 | ||
282 | prDef.pDatatype = "RAW"; | |
283 | prDef.pDevMode = m_devMode; | |
284 | prDef.DesiredAccess = PRINTER_ALL_ACCESS; | |
285 | ||
286 | if (m_devHandle == INVALID_HANDLE_VALUE && | |
287 | !OpenPrinter(tstr(m_devName), &m_devHandle, &prDef)) | |
288 | throw PrinterException("can't open '" + m_devName + "' for writing: " + | |
289 | Win32Utils::getErrorMessage()); | |
290 | } |