1 /************************************************************************************\
2 
3   common.h - common code for scl, pml and soap backends
4 
5   (c) 2001-2006 Copyright HP Development Company, LP
6 
7   Permission is hereby granted, free of charge, to any person obtaining a copy
8   of this software and associated documentation files (the "Software"), to deal
9   in the Software without restriction, including without limitation the rights
10   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
11   of the Software, and to permit persons to whom the Software is furnished to do
12   so, subject to the following conditions:
13 
14   The above copyright notice and this permission notice shall be included in all
15   copies or substantial portions of the Software.
16 
17   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
19   FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
20   COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
21   IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22   WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 
24   Contributing Authors: David Paschal, Don Welch, David Suffield, Sarbeswar Meher
25 
26 \************************************************************************************/
27 
28 #ifndef _COMMON_H
29 #define _COMMON_H
30 
31 #include <syslog.h>
32 
33 // Uncomment the following line to get verbose debugging output
34 //#define HPAIO_DEBUG
35 
36 #define _STRINGIZE(x) #x
37 #define STRINGIZE(x) _STRINGIZE(x)
38 
39 #define BUG(args...) {syslog(LOG_ERR, __FILE__ " " STRINGIZE(__LINE__) ": " args); DBG(2, __FILE__ " " STRINGIZE(__LINE__) ": " args);}
40 #define BUG_DUMP(data, size) bugdump((data), (size))
41 #define BUG_SZ(args...) {syslog(LOG_ERR, args); DBG(2, args);}
42 
43 #define DBG_DUMP(data, size) sysdump((data), (size))
44 #if 1
45    #define DBG6(args...) DBG(6, __FILE__ " " STRINGIZE(__LINE__) ": " args)
46    #define DBG8(args...) DBG(8, __FILE__ " " STRINGIZE(__LINE__) ": " args)
47    #define DBG_SZ(args...) DBG(6, args)
48 #else
49    #define DBG6(args...) syslog(LOG_INFO, __FILE__ " " STRINGIZE(__LINE__) ": " args)
50    #define DBG8(args...) syslog(LOG_INFO, __FILE__ " " STRINGIZE(__LINE__) ": " args)
51    #define DBG_SZ(args...) syslog(LOG_INFO, args)
52 #endif
53 
54 #define BACKEND_NAME hpaio
55 
56 #define BREAKPOINT __asm( "int3" )
57 
58 #define OK 1
59 #define ERROR 0
60 #define MAX_LIST_SIZE 32
61 #define EXCEPTION_TIMEOUT 45 /* seconds */
62 
63 #define STR_COMPRESSION_NONE  SANE_I18N("None")
64 #define STR_COMPRESSION_MH  SANE_I18N("MH")
65 #define STR_COMPRESSION_MR  SANE_I18N("MR")
66 #define STR_COMPRESSION_MMR SANE_I18N("MMR")
67 #define STR_COMPRESSION_JPEG  SANE_I18N("JPEG")
68 
69 #define STR_ADF_MODE_AUTO SANE_I18N("Auto")
70 #define STR_ADF_MODE_FLATBED  SANE_I18N("Flatbed")
71 #define STR_ADF_MODE_ADF  SANE_I18N("ADF")
72 #define STR_ADF_MODE_CAMERA  SANE_I18N("Camera")
73 
74 #define STR_TITLE_ADVANCED SANE_I18N("Advanced")
75 
76 #define STR_NAME_COMPRESSION "compression"
77 #define STR_TITLE_COMPRESSION SANE_I18N("Compression")
78 #define STR_DESC_COMPRESSION SANE_I18N("Selects the scanner compression method for faster scans, possibly at the expense of image quality.")
79 
80 #define STR_NAME_JPEG_QUALITY "jpeg-quality"
81 #define STR_TITLE_JPEG_QUALITY SANE_I18N("JPEG compression factor")
82 #define STR_DESC_JPEG_QUALITY SANE_I18N("Sets the scanner JPEG compression factor. Larger numbers mean better compression, " \
83                                                            "and smaller numbers mean better image quality.")
84 
85 #define STR_NAME_BATCH_SCAN "batch-scan"
86 #define STR_TITLE_BATCH_SCAN SANE_I18N("Batch scan")
87 #define STR_DESC_BATCH_SCAN SANE_I18N("Enables continuous scanning with automatic document feeder (ADF).")
88 
89 #define STR_NAME_DUPLEX "duplex"
90 #define STR_TITLE_DUPLEX SANE_I18N("Duplex")
91 #define STR_DESC_DUPLEX SANE_I18N("Enables scanning on both sides of the page.")
92 
93 #define STR_TITLE_GEOMETRY SANE_I18N("Geometry")
94 
95 #define STR_NAME_LENGTH_MEASUREMENT "length-measurement"
96 #define STR_TITLE_LENGTH_MEASUREMENT SANE_I18N("Length measurement")
97 #define STR_DESC_LENGTH_MEASUREMENT SANE_I18N("Selects how the scanned image length is measured and " \
98                                    "reported, which is impossible to know in advance for scrollfed scans.")
99 
100 #define STR_LENGTH_MEASUREMENT_UNKNOWN    SANE_I18N("Unknown")
101 #define STR_LENGTH_MEASUREMENT_UNLIMITED  SANE_I18N("Unlimited")
102 #define STR_LENGTH_MEASUREMENT_APPROXIMATE  SANE_I18N("Approximate")
103 #define STR_LENGTH_MEASUREMENT_PADDED   SANE_I18N("Padded")
104 #define STR_LENGTH_MEASUREMENT_EXACT    SANE_I18N("Exact")
105 #define STR_UNKNOWN  SANE_I18N("???")
106 
107 #define MIN_JPEG_COMPRESSION_FACTOR 0
108 #define MAX_JPEG_COMPRESSION_FACTOR 100
109 /* To prevent "2252" asserts on OfficeJet 600 series: */
110 #define SAFER_JPEG_COMPRESSION_FACTOR 10
111 
112 
113 #define MULTIPICK_DISABLE 0
114 #define MULTIPICK_ENABLE 1
115 
116 #define BEND_GET_SHORT(s) (((s)[0]<<8)|((s)[1]))
117 #define BEND_GET_LONG(s) (((s)[0]<<24)|((s)[1]<<16)|((s)[2]<<8)|((s)[3]))
118 #define BEND_SET_SHORT(s,x) ((s)[0]=((x)>>8)&0xFF,(s)[1]=(x)&0xFF)
119 #define BEND_SET_LONG(s,x) ((s)[0]=((x)>>24)&0xFF,(s)[1]=((x)>>16)&0xFF,(s)[2]=((x)>>8)&0xFF,(s)[3]=(x)&0xFF)
120 #define LEND_GET_SHORT(s) (((s)[1]<<8)|((s)[0]))
121 #define LEND_GET_LONG(s) (((s)[3]<<24)|((s)[2]<<16)|((s)[1]<<8)|((s)[0]))
122 #define LEND_SET_SHORT(s,x) ((s)[1]=((x)>>8)&0xFF,(s)[0]=(x)&0xFF)
123 #define LEND_SET_LONG(s,x) ((s)[3]=((x)>>24)&0xFF,(s)[2]=((x)>>16)&0xFF,(s)[1]=((x)>>8)&0xFF,(s)[0]=(x)&0xFF)
124 
125 #define GEOMETRY_OPTION_TYPE    SANE_TYPE_FIXED
126 #define MILLIMETER_SHIFT_FACTOR   SANE_FIXED_SCALE_SHIFT
127 
128 #define DECIPOINTS_PER_INCH     720
129 #define DEVPIXELS_PER_INCH      300
130 #define MILLIMETERS_PER_10_INCHES   254
131 #define INCHES_PER_254_MILLIMETERS  10
132 
133 #define BYTES_PER_LINE(pixelsPerLine,bitsPerPixel) \
134     ((((pixelsPerLine)*(bitsPerPixel))+7)/8)
135 
136 #define INCHES_TO_MILLIMETERS(inches) \
137     DivideAndShift(__LINE__, \
138     (inches), \
139     MILLIMETERS_PER_10_INCHES, \
140     INCHES_PER_254_MILLIMETERS, \
141     MILLIMETER_SHIFT_FACTOR)
142 
143 #define DECIPIXELS_TO_MILLIMETERS(decipixels) \
144     DivideAndShift(__LINE__, \
145     (decipixels), \
146     MILLIMETERS_PER_10_INCHES, \
147     INCHES_PER_254_MILLIMETERS*hpaio->decipixelsPerInch, \
148     MILLIMETER_SHIFT_FACTOR)
149 
150 #define MILLIMETERS_TO_DECIPIXELS(millimeters) \
151     DivideAndShift(__LINE__, \
152     (millimeters), \
153     INCHES_PER_254_MILLIMETERS*hpaio->decipixelsPerInch, \
154     MILLIMETERS_PER_10_INCHES, \
155     -MILLIMETER_SHIFT_FACTOR)
156 
157 #define PIXELS_TO_MILLIMETERS(pixels,pixelsPerInch) \
158     DivideAndShift(__LINE__, \
159     (pixels), \
160     MILLIMETERS_PER_10_INCHES, \
161     (pixelsPerInch)*INCHES_PER_254_MILLIMETERS, \
162     MILLIMETER_SHIFT_FACTOR)
163 
164 #define MILLIMETERS_TO_PIXELS(millimeters,pixelsPerInch) \
165     DivideAndShift(__LINE__, \
166     (millimeters), \
167     INCHES_PER_254_MILLIMETERS*(pixelsPerInch), \
168     MILLIMETERS_PER_10_INCHES, \
169     -MILLIMETER_SHIFT_FACTOR)
170 
171 #define ADD_XFORM(x) \
172   do { \
173     pXform->eXform=x; \
174     pXform++; \
175   } while(0)
176 
177 int __attribute__ ((visibility ("hidden"))) bug(const char *fmt, ...);
178 void __attribute__ ((visibility ("hidden"))) sysdump(const void *data, int size);
179 void __attribute__ ((visibility ("hidden"))) bugdump(const void *data, int size);
180 char __attribute__ ((visibility ("hidden"))) *psnprintf(char *buf, int bufSize, const char *fmt, ...);
181 unsigned long __attribute__ ((visibility ("hidden"))) DivideAndShift(int line, unsigned long numerator1, unsigned long numerator2,
182                               unsigned long denominator, int shift);
183 void __attribute__ ((visibility ("hidden"))) NumListClear( int * list );
184 int __attribute__ ((visibility ("hidden"))) NumListIsInList( int * list, int n );
185 int __attribute__ ((visibility ("hidden"))) NumListAdd( int * list, int n );
186 int __attribute__ ((visibility ("hidden"))) NumListGetCount( int * list );
187 int __attribute__ ((visibility ("hidden"))) NumListGetFirst( int * list );
188 void __attribute__ ((visibility ("hidden"))) StrListClear( const char ** list );
189 int __attribute__ ((visibility ("hidden"))) StrListIsInList( const char ** list, char * s );
190 int __attribute__ ((visibility ("hidden"))) StrListAdd( const char ** list, char * s );
191 char* __attribute__ ((visibility ("hidden"))) itoa(int value, char* str, int radix);
192 #endif
193