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 */
13 #include "../lib/args.h"
18 #include "../config.h"
20 char * master_filename = 0;
21 char * master_name = 0;
22 char * slave_filename[128];
23 char * slave_name[128];
26 float slave_scalex[128];
27 float slave_scaley[128];
30 char * outputname = "output.swf";
32 int args_callback_option(char*name,char*val) {
38 else if(!strcmp(name,"l"))
43 else if (!strcmp(name, "o"))
48 else if (!strcmp(name, "v"))
53 else if (!strcmp(name, "a"))
58 else if (!strcmp(name, "x"))
60 config.movex = atoi(val);
63 else if (!strcmp(name, "y"))
65 config.movey = atoi(val);
68 else if (!strcmp(name, "s"))
70 config.scalex = config.scaley = atoi(val)/100.0;
73 else if (!strcmp(name, "t"))
76 fprintf(stderr, "error with arguments. Try --help.\n");
80 master_filename = "__none__";
83 else if (!strcmp(name, "V"))
85 printf("swfcombine - part of %s %s\n", PACKAGE, VERSION);
90 fprintf(stderr, "Unknown option: -%s\n", name);
95 struct options_t options[] =
107 int args_callback_longoption(char*name,char*val) {
108 return args_long2shortoption(options, name, val);
111 int args_callback_command(char*name, char*val) {
112 char*myname = strdup(name);
114 filename = strchr(myname, '=');
119 // argument has no explicit name field. guess one from the file name
120 char*path = strrchr(myname, '/');
121 char*ext = strrchr(myname, '.');
122 if(!path) path = myname;
129 if(!master_filename) {
131 master_filename = filename;
132 master_name = myname;
134 logf("<verbose> slave entity %s (named \"%s\")\n", filename, myname);
136 slave_filename[numslaves] = filename;
137 slave_name[numslaves] = myname;
138 slave_movex[numslaves] = config.movex;
139 slave_movey[numslaves] = config.movey;
140 slave_scalex[numslaves] = config.scalex;
141 slave_scaley[numslaves] = config.scaley;
142 config.movex = config.movey = 0;
143 config.scalex = config.scaley = 1.0;
149 void args_callback_usage(char*name)
151 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);
153 printf("-o outputfile explicitly specify output file. (otherwise, output.swf will be used)\n");
154 printf("-l (overlay) Don't remove any master objects, only overlay new objects\n");
155 printf("-c (clip) Clip the slave objects by the corresponding master objects\n");
156 printf("-v (verbose) Use more than one -v for greater effect \n");
157 printf("-x xpos (move x) Adjust position of slave by xpos twips (1/20 pixel)\n");
158 printf("-y ypos (move y) Adjust position of slave by ypos twips (1/20 pixel)\n");
159 printf("-s scale (scale) Adjust size of slave by scale%\n");
162 /* read a whole file in memory */
163 char* fi_slurp(FILE*fi, unsigned int * setlength)
166 long long int length; //;)
167 long long int pos = 0;
168 fseek(fi,0,SEEK_END);
170 fseek(fi,0,SEEK_SET);
173 mem = malloc(length);
178 pos += fread(&mem[pos], 1, 65536, fi);
185 void fi_dump(FILE*fi, void*_mem, int length)
187 char*mem = (char*)_mem;
192 if (size > (length - pos))
193 size = (length - pos);
194 pos += fwrite(&mem[pos], 1, size, fi);
198 void makestackmaster(u8**masterdata, int*masterlength)
200 u8 head[] = {'F','W','S'};
208 /* scan all slaves for bounding box */
209 for(t=0;t<numslaves;t++)
211 FILE*fi=fopen(slave_filename[t],"rb");
214 struct flash_header head;
215 strlength += strlen(slave_name[t]) + 9;
217 logf("<fatal> Couldn't open %s.", slave_filename[t]);
220 ret = fread(data,1,256,fi);
222 logf("<fatal> File %s is to small (%d bytes)", slave_filename[t], ret);
226 head = swf_read_header();
227 logf("<verbose> File %s has bounding box %d:%d:%d:%d\n",
229 head.boundingBox.x1, head.boundingBox.y1,
230 head.boundingBox.x2, head.boundingBox.y2);
231 if(head.version > fileversion)
232 fileversion = head.version;
234 box = head.boundingBox;
236 if(head.boundingBox.x1 < box.x1)
237 box.x1 = head.boundingBox.x1;
238 if(head.boundingBox.y1 < box.y1)
239 box.y1 = head.boundingBox.y1;
240 if(head.boundingBox.x2 > box.x2)
241 box.x2 = head.boundingBox.x2;
242 if(head.boundingBox.y2 > box.y2)
243 box.y2 = head.boundingBox.y2;
245 logf("<verbose> New master bounding box is %d:%d:%d:%d\n",
251 /* we don't have a master, so we create one ourselves. */
252 /* (please notice the philosophical content) */
253 *masterlength = (numslaves + 1) * 32 + strlength;
254 *masterdata = (u8*)malloc(*masterlength);
256 memcpy(pos, head, sizeof(head));
258 *pos++ = fileversion;
260 *(u32*)pos = 0x12345678; // to be overwritten
262 writeRECT(&pos, &box);
263 *(u16*)pos = 0x2000; // framerate
265 *(u16*)pos = numslaves;
267 for(t=0;t<numslaves;t++)
273 sprintf(buf, "Frame%02d", t);
274 slave_name[t] = strdup(buf);
276 namelen = strlen(slave_name[t]);
278 *(u16*)&pos[0] = (u16)(TAGID_DEFINESPRITE<<6) + 6;
279 *(u16*)&pos[2] = t+1; //ID
280 *(u16*)&pos[4] = 0; // Frames
281 *(u16*)&pos[6] = 0; // TAG1
282 *(u16*)&pos[8] = (u16)(TAGID_PLACEOBJECT2<<6) + 6 + namelen;
283 *(u16*)&pos[10]= 34; //flags: id+name
284 *(u16*)&pos[11]= 1; // depth
285 *(u16*)&pos[13]= t+1; // id
286 sprintf(&pos[15],slave_name[t]);
287 pos += 15 + namelen + 1;
288 *(u16*)&pos[0]= (u16)(TAGID_SHOWFRAME<<6) + 0;
292 *(u16*)&pos[0]= (u16)(TAGID_REMOVEOBJECT2<<6) + 2;
293 *(u16*)&pos[2]= 1; // depth;
297 *(u16*)pos = TAGID_END<<6 + 0;
298 *masterlength = pos - *masterdata;
299 *fixpos = *masterlength;
302 struct config_t config;
303 int main(int argn, char *argv[])
307 unsigned int masterlength;
309 unsigned int slavelength;
311 unsigned int newlength;
315 config.alloctest = 0;
324 processargs(argn, argv);
325 initLog(0,-1,0,0,-1,config.loglevel);
330 logf("<error> Can't combine -l and -t");
334 logf("<error> Can't combine -c and -t");
337 logf("<verbose> (stacking) %d files found\n", numslaves);
339 makestackmaster(&masterdata,&masterlength);
341 logf("<verbose> Generated %d bytes of master data", masterlength);
344 logf("<verbose> master entity %s (named \"%s\")\n", master_filename, master_name);
345 fi = fopen(master_filename, "rb");
347 fprintf(stderr, "Failed to open %s\n", master_filename);
350 masterdata = fi_slurp(fi, &masterlength);
352 fprintf(stderr, "Failed to read from %s\n", master_filename);
355 logf("<debug> Read %d bytes from masterfile\n", masterlength);
359 for(t=0;t<numslaves;t++)
360 logf("<verbose> slave entity(%d) %s (named \"%s\")\n", t+1, slave_filename[t], slave_name[t]);
362 if (config.alloctest)
364 int*bitmap = malloc(sizeof(int)*65536);
365 memset(bitmap, -1, 65536*sizeof(int));
366 memset(bitmap, 1, 101*sizeof(int));
367 swf_relocate(masterdata, masterlength, bitmap);
368 newdata = masterdata;
369 newlength = masterlength;
376 logf("<error> You must have at least one slave entity.");
379 for(t = 0; t < numslaves; t++)
381 config.movex = slave_movex[t];
382 config.movey = slave_movey[t];
383 config.scalex = slave_scalex[t];
384 config.scaley = slave_scaley[t];
386 logf("<notice> Combine [%s]%s and [%s]%s", master_name, master_filename,
387 slave_name[t], slave_filename[t]);
388 fi = fopen(slave_filename[t], "rb");
390 fprintf(stderr, "Failed to open %s\n", slave_filename[t]);
393 slavedata = fi_slurp(fi, &slavelength);
395 fprintf(stderr, "Failed to read from %s\n", slave_filename[t]);
398 logf("<debug> Read %d bytes from slavefile\n", slavelength);
401 newdata = combine(masterdata, masterlength, slave_name[t], slavedata, slavelength, &newlength);
403 logf("<fatal> Aborting.");
408 masterdata = newdata;
409 masterlength = newlength;
413 logf("<debug> New File is %d bytes \n", newlength);
414 if(newdata && newlength) {
415 FILE*fi = fopen(outputname, "wb");
416 fi_dump(fi, newdata, newlength);