2 main routine for swfcombine(1), which is a tool for merging .swf-files.
4 Part of the swftools package.
6 Copyright (c) 2001 Matthias Kramm <kramm@quiss.org>
8 This file is distributed under the GPL, see file COPYING for details */
19 char * master_filename = 0;
20 char * master_name = 0;
21 char * slave_filename[128];
22 char * slave_name[128];
25 float slave_scalex[128];
26 float slave_scaley[128];
29 char * outputname = "output.swf";
31 int args_callback_option(char*name,char*val) {
37 else if(!strcmp(name,"l"))
42 else if (!strcmp(name, "o"))
47 else if (!strcmp(name, "v"))
52 else if (!strcmp(name, "a"))
57 else if (!strcmp(name, "x"))
59 config.movex = atoi(val);
62 else if (!strcmp(name, "y"))
64 config.movey = atoi(val);
67 else if (!strcmp(name, "s"))
69 config.scalex = config.scaley = atoi(val)/100.0;
72 else if (!strcmp(name, "t"))
75 fprintf(stderr, "error with arguments. Try --help.\n");
79 master_filename = "__none__";
82 else if (!strcmp(name, "V"))
84 printf("swfcombine - part of swftools 0.0.1\n");
89 fprintf(stderr, "Unknown option: -%s\n", name);
109 int args_callback_longoption(char*name,char*val) {
111 for(t=0;t<sizeof(options)/sizeof(struct options_t);t++)
112 if(!strcmp(options[t].longoption, name))
113 return args_callback_option(options[t].shortoption,val);
114 fprintf(stderr, "Unknown option: --%s\n", name);
118 int args_callback_command(char*name, char*val) {
119 char*myname = strdup(name);
121 filename = strchr(myname, '=');
126 // argument has no explicit name field. guess one from the file name
127 char*path = strrchr(myname, '/');
128 char*ext = strrchr(myname, '.');
129 if(!path) path = myname;
136 if(!master_filename) {
138 master_filename = filename;
139 master_name = myname;
141 logf("<verbose> slave entity %s (named \"%s\")\n", filename, myname);
143 slave_filename[numslaves] = filename;
144 slave_name[numslaves] = myname;
145 slave_movex[numslaves] = config.movex;
146 slave_movey[numslaves] = config.movey;
147 slave_scalex[numslaves] = config.scalex;
148 slave_scaley[numslaves] = config.scaley;
149 config.movex = config.movey = 0;
150 config.scalex = config.scaley = 1.0;
156 void args_callback_usage(char*name)
158 printf("Usage: %s [-l] [-o outputfile] [name=]masterfile [-x xpos] [-y ypos] [-s scale] [name1=]slavefile1 .. [-x xpos] [-y ypos] [-s scale] [nameN=]slavefileN\n", name);
160 printf("-o outputfile explicitly specify output file. (otherwise, output.swf will be used)\n");
161 printf("-l (overlay) Don't remove any master objects, only overlay new objects\n");
162 printf("-c (clip) Clip the slave objects by the corresponding master objects\n");
163 printf("-v (verbose) Use more than one -v for greater effect \n");
164 printf("-x xpos (move x) Adjust position of slave by xpos twips (1/20 pixel)\n");
165 printf("-y ypos (move y) Adjust position of slave by ypos twips (1/20 pixel)\n");
166 printf("-s scale (scale) Adjust size of slave by scale%\n");
170 /* read a whole file in memory */
171 char* fi_slurp(FILE*fi, unsigned int * setlength)
174 long long int length; //;)
175 long long int pos = 0;
176 fseek(fi,0,SEEK_END);
178 fseek(fi,0,SEEK_SET);
181 mem = malloc(length);
186 pos += fread(&mem[pos], 1, 65536, fi);
193 void fi_dump(FILE*fi, void*_mem, int length)
195 char*mem = (char*)_mem;
200 if (size > (length - pos))
201 size = (length - pos);
202 pos += fwrite(&mem[pos], 1, size, fi);
206 void makestackmaster(u8**masterdata, int*masterlength)
208 u8 head[] = {'F','W','S'};
216 logf("<error> stacking doesn't work yet. Prepare for problems.");
218 /* scan all slaves for bounding box */
219 for(t=0;t<numslaves;t++)
221 FILE*fi=fopen(slave_filename[t],"rb");
224 struct flash_header head;
225 strlength += strlen(slave_name[t]) + 9;
227 logf("<fatal> Couldn't open %s.", slave_filename[t]);
230 ret = fread(data,1,256,fi);
232 logf("<fatal> File %s is to small (%d bytes)", slave_filename[t], ret);
236 head = swf_read_header();
237 logf("<verbose> File %s has bounding box %d:%d:%d:%d\n",
239 head.boundingBox.x1, head.boundingBox.y1,
240 head.boundingBox.x2, head.boundingBox.y2);
241 if(head.version > fileversion)
242 fileversion = head.version;
244 box = head.boundingBox;
246 if(head.boundingBox.x1 < box.x1)
247 box.x1 = head.boundingBox.x1;
248 if(head.boundingBox.y1 < box.y1)
249 box.y1 = head.boundingBox.y1;
250 if(head.boundingBox.x2 > box.x2)
251 box.x2 = head.boundingBox.x2;
252 if(head.boundingBox.y2 > box.y2)
253 box.y2 = head.boundingBox.y2;
255 logf("<verbose> New master bounding box is %d:%d:%d:%d\n",
261 /* we don't have a master, so we create one ourselves. */
262 /* (please notice the philosophical content) */
263 *masterlength = (numslaves + 1) * 32 + strlength;
264 *masterdata = (u8*)malloc(*masterlength);
266 memcpy(pos, head, sizeof(head));
268 *pos++ = fileversion;
270 *(u32*)pos = 0x12345678; // to be overwritten
272 writeRECT(&pos, &box);
273 *(u16*)pos = 0x2000; // framerate
275 *(u16*)pos = numslaves;
277 for(t=0;t<numslaves;t++)
283 sprintf(buf, "Frame%02d", t);
284 slave_name[t] = strdup(buf);
286 namelen = strlen(slave_name[t]);
288 *(u16*)&pos[0] = (u16)(TAGID_DEFINESPRITE<<6) + 6;
289 *(u16*)&pos[2] = t+1; //ID
290 *(u16*)&pos[4] = 0; // Frames
291 *(u16*)&pos[6] = 0; // TAG1
292 *(u16*)&pos[8] = (u16)(TAGID_PLACEOBJECT2<<6) + 6 + namelen;
293 *(u16*)&pos[10]= 34; //flags: id+name
294 *(u16*)&pos[11]= 1; // depth
295 *(u16*)&pos[13]= t+1; // id
296 sprintf(&pos[15],slave_name[t]);
297 pos += 15 + namelen + 1;
298 *(u16*)&pos[0]= (u16)(TAGID_SHOWFRAME<<6) + 0;
302 *(u16*)&pos[0]= (u16)(TAGID_REMOVEOBJECT2<<6) + 2;
303 *(u16*)&pos[2]= 1; // depth;
307 *(u16*)pos = TAGID_END<<6 + 0;
308 *masterlength = pos - *masterdata;
309 *fixpos = *masterlength;
312 struct config_t config;
313 int main(int argn, char *argv[])
317 unsigned int masterlength;
319 unsigned int slavelength;
321 unsigned int newlength;
325 config.alloctest = 0;
334 processargs(argn, argv);
335 initLog(0,-1,0,0,-1,config.loglevel);
340 logf("<error> Can't combine -l and -t");
344 logf("<error> Can't combine -c and -t");
347 logf("<verbose> (stacking) %d files found\n", numslaves);
349 makestackmaster(&masterdata,&masterlength);
351 logf("<verbose> Generated %d bytes of master data", masterlength);
354 logf("<verbose> master entity %s (named \"%s\")\n", master_filename, master_name);
355 fi = fopen(master_filename, "rb");
357 fprintf(stderr, "Failed to open %s\n", master_filename);
360 masterdata = fi_slurp(fi, &masterlength);
362 fprintf(stderr, "Failed to read from %s\n", master_filename);
365 logf("<debug> Read %d bytes from masterfile\n", masterlength);
369 for(t=0;t<numslaves;t++)
370 logf("<verbose> slave entity(%d) %s (named \"%s\")\n", t+1, slave_filename[t], slave_name[t]);
372 if (config.alloctest)
374 int*bitmap = malloc(sizeof(int)*65536);
375 memset(bitmap, -1, 65536*sizeof(int));
376 memset(bitmap, 1, 101*sizeof(int));
377 swf_relocate(masterdata, masterlength, bitmap);
378 newdata = masterdata;
379 newlength = masterlength;
386 logf("<error> You must have at least one slave entity.");
389 for(t = 0; t < numslaves; t++)
391 config.movex = slave_movex[t];
392 config.movey = slave_movey[t];
393 config.scalex = slave_scalex[t];
394 config.scaley = slave_scaley[t];
396 logf("<notice> Combine [%s]%s and [%s]%s", master_name, master_filename,
397 slave_name[t], slave_filename[t]);
398 fi = fopen(slave_filename[t], "rb");
400 fprintf(stderr, "Failed to open %s\n", slave_filename[t]);
403 slavedata = fi_slurp(fi, &slavelength);
405 fprintf(stderr, "Failed to read from %s\n", slave_filename[t]);
408 logf("<debug> Read %d bytes from slavefile\n", slavelength);
411 newdata = combine(masterdata, masterlength, slave_name[t], slavedata, slavelength, &newlength);
413 logf("<fatal> Aborting.");
418 masterdata = newdata;
419 masterlength = newlength;
423 logf("<debug> New File is %d bytes \n", newlength);
424 if(newdata && newlength) {
425 FILE*fi = fopen(outputname, "wb");
426 fi_dump(fi, newdata, newlength);