1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/* Dia -- an diagram creation/manipulation program
* Copyright (C) 1998 Alexander Larsson
*
* win32print.c - output file directly to a windoze printer
* Don't try it with a *non* PostScript printer !
*
* Copyright (C) 2001 Hans Breuer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <config.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winspool.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <io.h>
#include <glib.h>
#include "win32print.h"
static void
PrintError (const char* s, DWORD err)
{
if (0 != err)
{
char* lpBuffer;
/* get the Windows message */
FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER
| FORMAT_MESSAGE_FROM_SYSTEM
| FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(char*)&lpBuffer,
0,NULL);
g_printerr ("%s : %s", s, lpBuffer);
LocalFree (lpBuffer);
}
}
const char*
win32_printer_default (void)
{
static char sName[1024];
GetProfileString("windows", "device", "", sName, sizeof(sName));
if (strchr (sName, ','))
*strchr (sName, ',') = 0;
else if ( strlen (sName) < 1)
strcpy (sName, "unknown");
return sName;
}
static HANDLE hPrinter = NULL;
static ADDJOB_INFO_1* pJob = NULL;
static HANDLE hFile = INVALID_HANDLE_VALUE;
FILE*
win32_printer_open (char* sName)
{
BYTE data [_MAX_PATH*2];
DWORD dwID = 0;
DWORD dwSizeRequired=0;
int err = 0;
if (!OpenPrinter (sName,
&hPrinter,
NULL))
{
g_printerr ("Failed to open printer : %s\n", sName);
return NULL;
}
if (!AddJob (hPrinter, 1, data, sizeof(data), &dwSizeRequired))
{
PrintError ("Failed to add job", GetLastError());
}
else
{
pJob = (ADDJOB_INFO_1*)data;
hFile = CreateFile (pJob->Path,
GENERIC_WRITE,
0, /* no share */
NULL, /* default security */
OPEN_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL); /* template */
if (INVALID_HANDLE_VALUE == hFile)
{
PrintError ("Failed to CreateFile", GetLastError());
}
else
{
int hnd = _open_osfhandle ((long)hFile, _O_APPEND);
if (-1 != hnd)
return _fdopen (hnd, "wb");
else
PrintError ("Failed to _open_osfhandle", 0);
}
}
return NULL;
}
int
win32_printer_close (FILE* f)
{
int ret = 0;
fflush (f);
if (!pJob || !ScheduleJob (hPrinter, pJob->JobId))
{
PrintError ("Failed to schedule job", GetLastError());
ret = GetLastError();
}
if (f)
fclose (f);
CloseHandle (hFile);
ClosePrinter (hPrinter);
return ret;
}
|
