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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/* psresize.c
* Copyright (C) Angus J. C. Duggan 1991-1995
* See file LICENSE for details.
*
* alter pagesize of document
*
* Usage:
* psresize [-q] [-w<dim>] [-h<dim>] [-ppaper] [-W<dim>] [-H<dim>]
* [-Ppaper] [in [out]]
* -w<dim> sets the output paper width
* -h<dim> sets the output paper height
* -ppaper sets the output paper size (width and height) by name
* -W<dim> sets the input paper width
* -H<dim> sets the input paper height
* -Ppaper sets the input paper size (width and height) by name
*/
#include "psutil.h"
#include "psspec.h"
#include "pserror.h"
#include "patchlev.h"
char *program ;
int pages ;
int verbose ;
FILE *infile ;
FILE *outfile ;
char pagelabel[BUFSIZ] ;
int pageno ;
static void usage(void)
{
fprintf(stderr, "%s release %d patchlevel %d\n", program, RELEASE, PATCHLEVEL);
fprintf(stderr, "Copyright (C) Angus J. C. Duggan, 1991-1995. See file LICENSE for details.\n");
fprintf(stderr, "Usage: %s [-q] [-wwidth] [-hheight] [-ppaper] [-Wwidth] [-Hheight] [-Ppaper] [infile [outfile]]\n",
program);
fflush(stderr);
exit(1);
}
static void argerror(void)
{
message(FATAL, "bad dimension\n");
}
#define MIN(x,y) ((x) > (y) ? (y) : (x))
#define MAX(x,y) ((x) > (y) ? (x) : (y))
void main(int argc, char *argv[])
{
double scale, rscale; /* page scale */
double waste, rwaste; /* amount wasted */
double vshift, hshift; /* page centring shifts */
int rotate;
double inwidth = -1;
double inheight = -1;
Paper *paper;
PageSpec *specs;
#ifdef PAPER
if ( (paper = findpaper(PAPER)) != (Paper *)0 ) {
inwidth = width = (double)PaperWidth(paper);
inheight = height = (double)PaperHeight(paper);
}
#endif
vshift = hshift = 0;
rotate = 0;
infile = stdin;
outfile = stdout;
verbose = 1;
for (program = *argv++; --argc; argv++) {
if (argv[0][0] == '-') {
switch (argv[0][1]) {
case 'q': /* quiet */
verbose = 0;
break;
case 'w': /* page width */
width = singledimen(*argv+2, argerror, usage);
break;
case 'h': /* page height */
height = singledimen(*argv+2, argerror, usage);
break;
case 'p': /* paper type */
if ( (paper = findpaper(*argv+2)) != (Paper *)0 ) {
width = (double)PaperWidth(paper);
height = (double)PaperHeight(paper);
} else
message(FATAL, "paper size '%s' not recognised\n", *argv+2);
break;
case 'W': /* input page width */
inwidth = singledimen(*argv+2, argerror, usage);
break;
case 'H': /* input page height */
inheight = singledimen(*argv+2, argerror, usage);
break;
case 'P': /* input paper type */
if ( (paper = findpaper(*argv+2)) != (Paper *)0 ) {
inwidth = (double)PaperWidth(paper);
inheight = (double)PaperHeight(paper);
} else
message(FATAL, "paper size '%s' not recognised\n", *argv+2);
break;
case 'v': /* version */
default:
usage();
}
} else if (infile == stdin) {
if ((infile = fopen(*argv, OPEN_READ)) == NULL)
message(FATAL, "can't open input file %s\n", *argv);
} else if (outfile == stdout) {
if ((outfile = fopen(*argv, OPEN_WRITE)) == NULL)
message(FATAL, "can't open output file %s\n", *argv);
} else usage();
}
#if defined(MSDOS) || defined(WINNT) || defined(WIN32)
if ( infile == stdin ) {
int fd = fileno(stdin) ;
if ( setmode(fd, O_BINARY) < 0 )
message(FATAL, "can't open input file %s\n", argv[4]);
}
if ( outfile == stdout ) {
int fd = fileno(stdout) ;
if ( setmode(fd, O_BINARY) < 0 )
message(FATAL, "can't reset stdout to binary mode\n");
}
#endif
if ((infile=seekable(infile))==NULL)
message(FATAL, "can't seek input\n");
if (width <= 0 || height <= 0)
message(FATAL, "output page width and height must be set\n");
if (inwidth <= 0 || inheight <= 0)
message(FATAL, "input page width and height must be set\n");
/* try normal orientation first */
scale = MIN(width/inwidth, height/inheight);
waste = (width-scale*inwidth)*(width-scale*inwidth) +
(height-scale*inheight)*(height-scale*inheight);
hshift = (width - inwidth*scale)/2;
vshift = (height - inheight*scale)/2;
/* try rotated orientation */
rscale = MIN(height/inwidth, width/inheight);
rwaste = (height-scale*inwidth)*(height-scale*inwidth) +
(width-scale*inheight)*(width-scale*inheight);
if (rwaste < waste) {
double tmp = width;
scale = rscale;
hshift = (width + inheight*scale)/2;
vshift = (height - inwidth*scale)/2;
rotate = 1;
width = height;
height = tmp;
}
width /= scale;
height /= scale;
/* now construct specification list and run page rearrangement procedure */
specs = newspec();
if (rotate) {
specs->rotate = 90;
specs->flags |= ROTATE;
}
specs->pageno = 0;
specs->scale = scale;
specs->flags |= SCALE;
specs->xoff = hshift;
specs->yoff = vshift;
specs->flags |= OFFSET;
pstops(1, 1, 0, specs, 0.0); /* do page rearrangement */
exit(0);
}
|
