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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gd.h"
/* A neat little utility which adds freetype text to
* existing JPEG images. Type annotate -h for instructions.
* Thanks to Joel Dubiner for supporting this work. -TBB
*/
enum { left, center, right };
int main(int argc, char *argv[])
{
#ifndef HAVE_LIBFREETYPE
(void)argc;
(void)argv;
/* 2.0.12 */
fprintf(stderr, "annotate is not useful without freetype.\n"
"Install freetype, then './configure; make clean; make install'\n"
"the gd library again.\n"
);
return 1;
#else
gdImagePtr im;
char *iin, *iout;
FILE *in, *out;
char s[1024];
int bounds[8];
int lines = 1;
int color = gdTrueColor(0, 0, 0);
char font[1024];
int size = 12;
int align = left;
int x = 0, y = 0;
char *fontError;
strcpy(font, "times");
if(argc != 3) {
fprintf(stderr, "Usage: annotate imagein.jpg imageout.jpg\n\n");
fprintf(stderr, "Standard input should consist of\n");
fprintf(stderr, "lines in the following formats:\n");
fprintf(stderr, "color r g b (0-255 each) [a (0-127, 0 is opaque)]\n");
fprintf(stderr, "font fontname (max name length 1024)\n");
fprintf(stderr, "size pointsize\n");
fprintf(stderr, "align (left|right|center)\n");
fprintf(stderr, "move x y\n");
fprintf(stderr, "text actual-output-text\n\n");
fprintf(stderr,
"If the file 'paris.ttf' exists in /usr/share/fonts/truetype or in a\n");
fprintf(stderr,
"location specified in the GDFONTPATH environment variable, 'font paris' is\n");
fprintf(stderr,
"sufficient. You may also specify the full, rooted path of a font file.\n");
exit(1);
}
iin = argv[1];
iout = argv[2];
in = fopen(iin, "rb");
if(!in) {
fprintf(stderr, "Couldn't open %s\n", iin);
exit(2);
}
#ifdef HAVE_LIBJPEG
im = gdImageCreateFromJpeg(in);
#else
fprintf(stderr, "No JPEG library support available.\n");
exit(1);
#endif
fclose(in);
if(!im) {
fprintf(stderr, "%s did not load properly\n", iin);
exit(3);
}
while(fgets(s, sizeof(s), stdin)) {
char *st;
char *text;
st = strtok(s, " \t\r\n");
if(!st) {
/* Be nice about blank lines */
continue;
}
if(!strcmp(st, "font")) {
char *st = strtok(0, " \t\r\n");
if(!st) {
goto badLine;
} else {
const unsigned int font_len = strlen(st);
if (font_len >= 1024) {
fprintf(stderr, "Font maximum length is 1024, %d given\n", font_len);
goto badLine;
}
strncpy(font, st, font_len);
}
} else if(!strcmp(st, "align")) {
char *st = strtok(0, " \t\r\n");
if(!st) {
goto badLine;
}
if(!strcmp(st, "left")) {
align = 0;
} else if(!strcmp(st, "center")) {
align = 1;
} else if(!strcmp(st, "right")) {
align = 2;
}
} else if(!strcmp(st, "size")) {
char *st = strtok(0, " \t\r\n");
if(!st) {
goto badLine;
}
size = atoi(st);
} else if(!strcmp(st, "color")) {
char *st = strtok(0, "\r\n");
int r, g, b, a = 0;
if(!st) {
goto badLine;
}
if(sscanf(st, "%d %d %d %d", &r, &g, &b, &a) < 3) {
fprintf(stderr, "Bad color at line %d\n", lines);
exit(2);
}
color = gdTrueColorAlpha(r, g, b, a);
} else if(!strcmp(st, "move")) {
char *st = strtok(0, "\r\n");
if(!st) {
goto badLine;
}
if(sscanf(st, "%d %d", &x, &y) != 2) {
fprintf(stderr, "Missing coordinates at line %d\n", lines);
exit(3);
}
} else if(!strcmp(st, "text")) {
int rx = x;
text = strtok(0, "\r\n");
if(!text) {
text = "";
}
gdImageStringFT(0, bounds, color, font, size, 0, x, y, text);
switch(align) {
case left:
break;
case center:
rx -= (bounds[2] - bounds[0]) / 2;
break;
case right:
rx -= (bounds[2] - bounds[0]);
break;
}
fontError = gdImageStringFT(im, 0, color, font, size, 0, rx, y, text);
if(fontError) {
fprintf(stderr, "font error at line %d: %s\n", lines, fontError);
exit(7);
}
y -= (bounds[7] - bounds[1]);
} else {
goto badLine;
}
lines++;
continue;
badLine:
fprintf(stderr, "Bad syntax, line %d\n", lines);
exit(4);
}
out = fopen(iout, "wb");
if(!out) {
fprintf(stderr, "Cannot create %s\n", iout);
exit(5);
}
#ifdef HAVE_LIBJPEG
gdImageJpeg(im, out, 95);
#else
fprintf(stderr, "No JPEG library support available.\n");
#endif
gdImageDestroy(im);
fclose(out);
return 0;
#endif /* HAVE_LIBFREETYPE */
}
|
