fixed buffer overflow
[swftools.git] / src / gfx2gfx.c
blob6a7596fc6e3658b7a000e8fb1fcd45f03f99cbe8
1 /* pdf2swf.c
2 main routine for pdf2swf(1)
4 Part of the swftools package.
6 Copyright (c) 2001,2002,2003 Matthias Kramm <kramm@quiss.org>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
22 #include <stdlib.h>
23 #include <stdio.h>
24 #include <stdarg.h>
25 #include <string.h>
26 #include <unistd.h>
27 #include "../../swftools/config.h"
28 #include "../../swftools/lib/args.h"
29 #include "../../swftools/lib/os.h"
30 #include "../../swftools/lib/gfxsource.h"
31 #include "../../swftools/lib/gfxdevice.h"
32 #include "../../swftools/lib/gfxpoly.h"
33 #include "../../swftools/lib/devices/pdf.h"
34 #include "../../swftools/lib/devices/swf.h"
35 #include "../../swftools/lib/devices/text.h"
36 #include "../../swftools/lib/devices/render.h"
37 #include "../../swftools/lib/devices/file.h"
38 #include "../../swftools/lib/devices/bbox.h"
39 #ifdef HAVE_LRF
40 #include "../../swftools/lib/devices/lrf.h"
41 #endif
42 #include "../../swftools/lib/devices/ocr.h"
43 #include "../../swftools/lib/devices/rescale.h"
44 #include "../../swftools/lib/devices/record.h"
45 #include "../../swftools/lib/readers/image.h"
46 #include "../../swftools/lib/readers/swf.h"
47 #include "../../swftools/lib/pdf/pdf.h"
48 #include "../../swftools/lib/log.h"
50 static gfxsource_t*driver = 0;
52 static char * outputname = 0;
53 static int loglevel = 3;
54 static char * pagerange = 0;
55 static char * filename = 0;
56 static const char * format = 0;
58 int args_callback_option(char*name,char*val) {
59 if (!strcmp(name, "o"))
61 outputname = val;
62 return 1;
64 else if (!strcmp(name, "v"))
66 loglevel ++;
67 setConsoleLogging(loglevel);
68 return 0;
70 else if (!strcmp(name, "f"))
72 format = val;
73 return 1;
75 else if (!strcmp(name, "q"))
77 loglevel --;
78 setConsoleLogging(loglevel);
79 return 0;
81 else if (name[0]=='p')
83 do {
84 name++;
85 } while(*name == 32 || *name == 13 || *name == 10 || *name == '\t');
87 if(*name) {
88 pagerange = name;
89 return 0;
91 pagerange = val;
92 return 1;
94 else if (!strcmp(name, "s"))
96 if(!driver) {
97 fprintf(stderr, "Specify input file before -s\n");
98 exit(1);
100 char*s = strdup(val);
101 char*c = strchr(s, '=');
102 if(c && *c && c[1]) {
103 *c = 0;
104 c++;
105 driver->setparameter(driver, s,c);
106 } else {
107 driver->setparameter(driver, s,"1");
109 free(s);
110 return 1;
112 else if (!strcmp(name, "V"))
114 printf("pdf2swf - part of %s %s\n", PACKAGE, VERSION);
115 exit(0);
117 else
119 fprintf(stderr, "Unknown option: -%s\n", name);
120 exit(1);
122 return 0;
125 struct options_t options[] =
126 {{"o","output"},
127 {"q","quiet"},
128 {"V","version"},
129 {"s","set"},
130 {"p","pages"},
131 {0,0}
134 int args_callback_longoption(char*name,char*val) {
135 return args_long2shortoption(options, name, val);
138 int args_callback_command(char*name, char*val) {
139 if (!filename) {
141 filename = name;
143 if(strstr(filename, ".pdf") || strstr(filename, ".PDF")) {
144 msg("<notice> Treating file as PDF");
145 driver = gfxsource_pdf_create();
146 } else if(strstr(filename, ".swf") || strstr(filename, ".SWF")) {
147 msg("<notice> Treating file as SWF");
148 driver = gfxsource_swf_create();
149 } else if(strstr(filename, ".jpg") || strstr(filename, ".JPG") ||
150 strstr(filename, ".png") || strstr(filename, ".PNG")) {
151 msg("<notice> Treating file as Image");
152 driver = gfxsource_image_create();
154 } else {
155 if(outputname)
157 fprintf(stderr, "Error: Do you want the output to go to %s or to %s?",
158 outputname, name);
159 exit(1);
161 outputname = name;
163 return 0;
166 void args_callback_usage(char*name)
170 int main(int argn, char *argv[])
172 processargs(argn, argv);
173 initLog(0,-1,0,0,-1,loglevel);
175 if(!filename) {
176 fprintf(stderr, "Please specify an input file\n");
177 exit(1);
180 if(!outputname)
182 if(filename) {
183 outputname = stripFilename(filename, ".out");
184 msg("<notice> Output filename not given. Writing to %s", outputname);
187 if(!outputname)
189 fprintf(stderr, "Please use -o to specify an output file\n");
190 exit(1);
192 is_in_range(0x7fffffff, pagerange);
193 if(pagerange)
194 driver->setparameter(driver, "pages", pagerange);
196 if(!filename) {
197 args_callback_usage(argv[0]);
198 exit(0);
201 gfxdocument_t* doc = driver->open(driver, filename);
202 if(!doc) {
203 msg("<error> Couldn't open %s", filename);
204 exit(1);
207 if(!format) {
208 char*x = strrchr(outputname, '.');
209 if(x)
210 format = x+1;
214 gfxresult_t*result = 0;
215 #ifdef HAVE_LRF
216 if(!strcasecmp(format, "lrf")) {
217 gfxdevice_t lrf;
218 gfxdevice_lrf_init(&lrf);
220 gfxdevice_t rescale;
221 gfxdevice_rescale_init(&rescale, &lrf, 592, 732, 0);
223 gfxdevice_t*out = &rescale;
224 out->setparameter(out, "keepratio", "1");
225 out->setparameter(out, "pagepattern", outputname);
227 gfxdevice_t bbox2,*bbox=&bbox2;
228 gfxdevice_bbox_init(bbox);
229 bbox->setparameter(bbox, "graphics", "0");
231 int pagenr;
233 for(pagenr = 1; pagenr <= doc->num_pages; pagenr++)
235 if(is_in_range(pagenr, pagerange)) {
236 gfxpage_t* page = doc->getpage(doc, pagenr);
237 bbox->startpage(bbox,-1,-1);
238 page->render(page, bbox);
239 gfxbbox_t b = gfxdevice_bbox_getbbox(bbox);
241 out->startpage(out, b.xmax-b.xmin, b.ymax-b.ymin);
242 page->rendersection(page, out, -b.xmin, -b.ymin, 0,0,b.xmax-b.xmin,b.ymax-b.ymin);
243 out->endpage(out);
245 page->destroy(page);
248 result = out->finish(out);
249 } else
250 #endif
252 gfxdevice_t _out,*out=&_out;
253 if(!strcasecmp(format, "ocr")) {
254 gfxdevice_ocr_init(out);
255 } else if(!strcasecmp(format, "swf")) {
256 gfxdevice_swf_init(out);
257 } else if(!strcasecmp(format, "img") || !strcasecmp(format, "png")) {
258 gfxdevice_render_init(out);
259 out->setparameter(out, "antialize", "4");
260 } else if(!strcasecmp(format, "txt")) {
261 gfxdevice_text_init(out);
262 } else if(!strcasecmp(format, "log")) {
263 gfxdevice_file_init(out, "/tmp/device.log");
264 } else if(!strcasecmp(format, "pdf")) {
265 gfxdevice_pdf_init(out);
266 } else {
267 msg("<error> Invalid output format: %s", format);
268 exit(1);
271 int pagenr;
272 for(pagenr = 1; pagenr <= doc->num_pages; pagenr++)
274 if(is_in_range(pagenr, pagerange)) {
275 gfxpage_t* page = doc->getpage(doc, pagenr);
276 out->startpage(out, page->width, page->height);
277 page->render(page, out);
278 out->endpage(out);
279 page->destroy(page);
282 result = out->finish(out);
285 if(result) {
286 if(result->save(result, outputname) < 0) {
287 exit(1);
289 result->destroy(result);
292 doc->destroy(doc);
294 driver->destroy(driver);
295 return 0;