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fe3a7d70 | 1 | /* |
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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" | |
fe3a7d70 | 23 | using namespace std; |
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24 | |
25 | inline LPTSTR tstr(const string & str) | |
26 | { | |
27 | return const_cast<char*>(str.c_str()); | |
28 | } | |
29 | ||
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30 | Printer::Printer(const string &name, bool debugFlag) throw(PrinterException) |
31 | : m_devName(name), | |
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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) | |
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39 | { |
40 | m_buffer = new unsigned char[m_bufferSize]; | |
41 | mapPortName(); | |
42 | ||
43 | open(); | |
fe3a7d70 | 44 | |
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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]); | |
fe3a7d70 | 51 | |
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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) | |
fe3a7d70 CW |
76 | { |
77 | ClosePrinter(m_devHandle); | |
78 | m_devHandle = INVALID_HANDLE_VALUE; | |
79 | } | |
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80 | } |
81 | ||
fe3a7d70 | 82 | void Printer::endDoc() throw(PrinterException) |
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83 | { |
84 | if (!EndDocPrinter(m_devHandle)) | |
85 | throw PrinterException("EndDocPrinter error: " + | |
86 | Win32Utils::getErrorMessage()); | |
87 | } | |
88 | ||
fe3a7d70 | 89 | void Printer::endPage() throw(PrinterException) |
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90 | { |
91 | cout << "Printer::endPage()" << endl; | |
92 | if (!EndPagePrinter(m_devHandle)) | |
93 | throw PrinterException("EndPagePrinter error: " + | |
94 | Win32Utils::getErrorMessage()); | |
95 | } | |
96 | ||
fe3a7d70 | 97 | void Printer::flush(void) throw(PrinterException) |
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98 | { |
99 | if (m_bufferIndex > 0) | |
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100 | { |
101 | write(m_buffer, m_bufferIndex); | |
102 | m_bufferIndex = 0; | |
103 | } | |
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104 | } |
105 | ||
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106 | bool Printer::getRawFlag() const |
107 | { | |
108 | return m_rawFlag; | |
109 | } | |
110 | ||
fe3a7d70 | 111 | void Printer::print(istream & in, const string & docName) throw(PrinterException) |
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112 | { |
113 | startDoc(docName); | |
114 | ||
115 | char ch; | |
116 | char lastCh = '\0'; | |
807fb049 | 117 | while (in.get(ch)) |
fe3a7d70 CW |
118 | { |
119 | if (!m_rawFlag && ch == '\n' && lastCh != '\r') | |
120 | put('\r'); | |
121 | put(ch); | |
122 | lastCh = ch; | |
123 | } | |
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124 | flush(); |
125 | endDoc(); | |
126 | } | |
127 | ||
fe3a7d70 | 128 | void Printer::put(unsigned char ch) throw(PrinterException) |
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129 | { |
130 | if (m_bufferIndex == m_bufferSize) | |
131 | flush(); | |
132 | m_buffer[m_bufferIndex++] = ch; | |
133 | } | |
a18d2869 CW |
134 | |
135 | void Printer::setRawFlag(bool flag) | |
136 | { | |
137 | m_rawFlag = flag; | |
138 | } | |
139 | ||
fe3a7d70 | 140 | void Printer::startDoc(const string & docName) throw(PrinterException) |
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141 | { |
142 | DOC_INFO_1 di1; | |
fe3a7d70 | 143 | |
21006e63 | 144 | open(); |
fe3a7d70 | 145 | |
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146 | di1.pDocName = tstr(docName); |
147 | di1.pOutputFile = 0; | |
148 | di1.pDatatype = "RAW"; | |
fe3a7d70 | 149 | |
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150 | if (StartDocPrinter(m_devHandle, 1, (LPBYTE) &di1) == 0) |
151 | throw PrinterException("StartDocPrinter error: " + | |
152 | Win32Utils::getErrorMessage()); | |
153 | } | |
154 | ||
fe3a7d70 | 155 | void Printer::startPage() throw(PrinterException) |
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156 | { |
157 | cout << "Printer::startPage()" << endl; | |
158 | if (!StartPagePrinter(m_devHandle)) | |
159 | throw PrinterException("StartPagePrinter error: " + | |
160 | Win32Utils::getErrorMessage()); | |
161 | } | |
162 | ||
fe3a7d70 | 163 | void Printer::write(unsigned char *buf, unsigned int size) throw(PrinterException) |
21006e63 CW |
164 | { |
165 | DWORD written; | |
166 | if (!WritePrinter(m_devHandle, buf, size, &written)) | |
167 | throw PrinterException("error writing to device '" + m_devName + "': " + | |
168 | Win32Utils::getErrorMessage()); | |
169 | } | |
170 | ||
171 | //*************************************************************************** | |
172 | // | |
173 | // Private operations | |
174 | // | |
175 | //*************************************************************************** | |
176 | ||
fe3a7d70 | 177 | Printer::PrinterList Printer::enumPrinters(DWORD flags, LPTSTR name) throw(PrinterException) |
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178 | { |
179 | DWORD numPrinters; | |
180 | DWORD bytesNeeded; | |
181 | EnumPrinters(flags, name, 5, 0, 0, &bytesNeeded, &numPrinters); | |
182 | auto_ptr<BYTE> enumBuffer(new BYTE[bytesNeeded]); | |
183 | if (!EnumPrinters(flags, name, 5, enumBuffer.get(), bytesNeeded, | |
184 | &bytesNeeded, &numPrinters)) | |
185 | throw PrinterException("unable to enumerate printers: " + | |
186 | Win32Utils::getErrorMessage()); | |
187 | ||
188 | PRINTER_INFO_5 *pi = reinterpret_cast<PRINTER_INFO_5 *>(enumBuffer.get()); | |
189 | ||
190 | PrinterList list; | |
191 | for (unsigned int ii = 0; ii < numPrinters; ++ii) | |
fe3a7d70 CW |
192 | { |
193 | if (m_debugFlag) | |
194 | cerr << "Printer name: '" << pi->pPrinterName << "', " | |
195 | << "Port name: '" << pi->pPortName << "'" << endl; | |
196 | list.push_back(*pi++); | |
197 | } | |
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198 | |
199 | return list; | |
200 | } | |
201 | ||
fe3a7d70 | 202 | void Printer::mapPortName() throw(PrinterException) |
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203 | { |
204 | ||
205 | OSVERSIONINFO osvi; | |
206 | osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); | |
207 | GetVersionEx(&osvi); | |
208 | bool isWindows9x = (osvi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS && | |
209 | (osvi.dwMajorVersion > 4 || | |
210 | (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion > 0))); | |
211 | ||
212 | bool isWindows2K_NT4 = (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT && | |
213 | osvi.dwMajorVersion >= 4); | |
214 | ||
215 | if (m_debugFlag) | |
216 | cout << "isWindows9x = " << isWindows9x << ", " | |
217 | << "isWindows2K_NT4 = " << isWindows2K_NT4 << endl; | |
218 | ||
219 | ||
220 | if (isWindows9x) | |
21006e63 | 221 | { |
fe3a7d70 CW |
222 | PrinterList list = enumPrinters(PRINTER_ENUM_NAME, ""); |
223 | for (PrinterList::iterator it = list.begin(); it != list.end(); ++it) | |
224 | { | |
225 | if (stricmp(m_devName.c_str(), it->pPortName) == 0) | |
226 | { | |
227 | if (m_debugFlag) | |
228 | cout << "Mapped '" << m_devName << "' to '" << it->pPrinterName | |
229 | << "'" << endl; | |
230 | m_devName = it->pPrinterName; | |
231 | return; | |
232 | } | |
233 | } | |
21006e63 | 234 | } |
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235 | |
236 | else if (isWindows2K_NT4) | |
21006e63 | 237 | { |
fe3a7d70 CW |
238 | PrinterList list = enumPrinters(PRINTER_ENUM_LOCAL, 0); |
239 | for (PrinterList::iterator it = list.begin(); it != list.end(); ++it) | |
240 | { | |
241 | if (stricmp(m_devName.c_str(), it->pPortName) == 0) | |
242 | { | |
243 | if (m_debugFlag) | |
244 | cout << "Mapped '" << m_devName << "' to '" << it->pPrinterName | |
245 | << "'" << endl; | |
246 | m_devName = it->pPrinterName; | |
247 | return; | |
248 | } | |
249 | } | |
250 | ||
251 | list = enumPrinters(PRINTER_ENUM_CONNECTIONS, 0); | |
252 | for (PrinterList::iterator it = list.begin(); it != list.end(); ++it) | |
253 | { | |
254 | if (stricmp(m_devName.c_str(), it->pPortName) == 0) | |
255 | { | |
256 | if (m_debugFlag) | |
257 | cout << "Mapped '" << m_devName << "' to '" << it->pPrinterName | |
258 | << "'" << endl; | |
259 | m_devName = it->pPrinterName; | |
260 | return; | |
261 | } | |
262 | } | |
21006e63 | 263 | } |
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264 | } |
265 | ||
fe3a7d70 | 266 | void Printer::open() throw(PrinterException) |
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267 | { |
268 | PRINTER_DEFAULTS prDef; | |
fe3a7d70 | 269 | |
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270 | prDef.pDatatype = "RAW"; |
271 | prDef.pDevMode = m_devMode; | |
669b09e4 | 272 | prDef.DesiredAccess = PRINTER_ACCESS_USE; |
fe3a7d70 | 273 | |
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274 | if (m_devHandle == INVALID_HANDLE_VALUE && |
275 | !OpenPrinter(tstr(m_devName), &m_devHandle, &prDef)) | |
276 | throw PrinterException("can't open '" + m_devName + "' for writing: " + | |
277 | Win32Utils::getErrorMessage()); | |
278 | } |