2 Tool for playing around with SWF bounding boxes.
4 Part of the swftools package.
6 Copyright (c) 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 "../config.h"
28 #include "../lib/rfxswf.h"
29 #include "../lib/args.h"
30 #include "../lib/log.h"
32 static char * filename = 0;
33 static char * outfilename = "output.swf";
34 static int optimize = 0;
35 static int swifty = 0;
36 static int verbose = 0;
38 struct options_t options[] =
48 int args_callback_option(char*name,char*val)
50 if(!strcmp(name, "V")) {
51 printf("swfbbox - part of %s %s\n", PACKAGE, VERSION);
54 else if(!strcmp(name, "O")) {
58 else if(!strcmp(name, "S")) {
62 else if(!strcmp(name, "v")) {
66 else if(!strcmp(name, "o")) {
71 printf("Unknown option: -%s\n", name);
77 int args_callback_longoption(char*name,char*val)
79 return args_long2shortoption(options, name, val);
81 void args_callback_usage(char*name)
83 printf("Usage: %s [-OS] file.swf\n", name);
84 printf("\t-h , --help\t\t Print help and exit\n");
85 printf("\t-O , --optimize\t\t Recalculate bounding boxes\n");
86 printf("\t-S , --swifty\t\t Print out transformed bounding boxes\n");
87 printf("\t-o , --output\t\t Set output filename (for -O)\n");
88 printf("\t-v , --verbose\t\t Be more verbose\n");
89 printf("\t-V , --version\t\t Print program version and exit\n");
91 int args_callback_command(char*name,char*val)
94 fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
101 #define swf_ResetReadBits(tag) if (tag->readBit) { tag->pos++; tag->readBit = 0; }
103 void parseFillStyleArray(TAG*tag, SHAPE2*shape)
108 if(tag->id == ST_DEFINESHAPE)
110 else if(tag->id == ST_DEFINESHAPE2)
112 else if(tag->id == ST_DEFINESHAPE3)
115 count = swf_GetU8(tag);
116 if(count == 0xff && num>1) // defineshape2,3 only
117 count = swf_GetU16(tag);
119 if(verbose) printf("num: %d\n", count);
120 shape->numfillstyles = count;
121 shape->fillstyles = malloc(sizeof(FILLSTYLE)*count);
127 FILLSTYLE*dest = &shape->fillstyles[t];
128 swf_ResetReadBits(tag);
129 type = swf_GetU8(tag); //type
130 shape->fillstyles[t].type = type;
134 swf_GetRGBA(tag, &dest->color);
136 swf_GetRGB(tag, &dest->color);
138 else if(type == 0x10 || type == 0x12)
140 /* linear/radial gradient fill */
141 swf_ResetReadBits(tag);
142 swf_GetMatrix(tag, &dest->m);
143 swf_ResetReadBits(tag);
144 dest->gradient = malloc(sizeof(GRADIENT)); // TODO: free this again
145 swf_GetGradient(tag, dest->gradient, num>=3?1:0);
147 else if(type == 0x40 || type == 0x41)
150 swf_ResetReadBits(tag);
151 dest->id_bitmap = swf_GetU16(tag); //id
152 swf_ResetReadBits(tag); //?
153 swf_GetMatrix(tag, &dest->m);
156 fprintf(stderr, "rfxswf:swftools.c Unknown fillstyle:0x%02x\n",type);
159 swf_ResetReadBits(tag);
160 count = swf_GetU8(tag); // line style array
162 count = swf_GetU16(tag);
164 if(verbose) printf("lnum: %d\n", count);
166 shape->numlinestyles = count;
167 shape->linestyles = malloc(sizeof(LINESTYLE)*count);
168 /* TODO: should we start with 1 and insert a correct definition of the
169 "built in" linestyle 0? */
172 shape->linestyles[t].width = swf_GetU16(tag);
174 swf_GetRGBA(tag, &shape->linestyles[t].color);
176 swf_GetRGB(tag, &shape->linestyles[t].color);
181 void swf_ParseDefineShape(TAG*tag, SHAPE2*shape)
188 if(tag->id == ST_DEFINESHAPE)
190 else if(tag->id == ST_DEFINESHAPE2)
192 else if(tag->id == ST_DEFINESHAPE3)
195 fprintf(stderr, "parseDefineShape must be called with a shape tag");
198 id = swf_GetU16(tag); //id
199 memset(shape, 0, sizeof(SHAPE2));
200 shape->bbox = malloc(sizeof(SRECT));
201 swf_GetRect(tag, &r);
203 memcpy(shape->bbox, &r, sizeof(SRECT));
204 parseFillStyleArray(tag, shape);
206 swf_ResetReadBits(tag);
207 fill = (U16)swf_GetBits(tag,4);
208 line = (U16)swf_GetBits(tag,4);
210 shape->lines = swf_ParseShapeData(&tag->data[tag->pos], (tag->len - tag->pos)*8, fill, line);
215 void swf_Shape2Optimize(SHAPE2*shape)
218 shape->bbox = malloc(sizeof(SRECT));
219 *(shape->bbox) = swf_GetShapeBoundingBox(shape);
222 void swf_Shape2ToShape(SHAPE2*shape2, SHAPE*shape)
224 TAG*tag = swf_InsertTag(0,0);
226 int newx=0,newy=0,lastx=0,lasty=0,oldls=0,oldfs0=0,oldfs1=0;
228 memset(shape, 0, sizeof(SHAPE));
230 shape->linestyle.n = shape2->numlinestyles;
231 shape->linestyle.data = (LINESTYLE*)malloc(sizeof(LINESTYLE)*shape->linestyle.n);
232 memcpy(shape->linestyle.data, shape2->linestyles, sizeof(LINESTYLE)*shape->linestyle.n);
234 shape->fillstyle.n = shape2->numfillstyles;
235 shape->fillstyle.data = (FILLSTYLE*)malloc(sizeof(FILLSTYLE)*shape->fillstyle.n);
236 memcpy(shape->fillstyle.data, shape2->fillstyles, sizeof(FILLSTYLE)*shape->fillstyle.n);
238 swf_ShapeCountBits(shape,NULL,NULL);
243 int ls=0,fs0=0,fs1=0;
245 if(l->type != moveTo) {
246 if(oldls != l->linestyle) {oldls = ls = l->linestyle;if(!ls) ls=0x8000;}
247 if(oldfs0 != l->fillstyle0) {oldfs0 = fs0 = l->fillstyle0;if(!fs0) fs0=0x8000;}
248 if(oldfs1 != l->fillstyle1) {oldfs1 = fs1 = l->fillstyle1;if(!fs1) fs1=0x8000;}
250 if(ls || fs0 || fs1 || newx!=0x7fffffff || newy!=0x7fffffff) {
251 swf_ShapeSetAll(tag,shape,newx,newy,ls,fs0,fs1);
257 if(l->type == lineTo) {
258 swf_ShapeSetLine(tag,shape,l->x-lastx,l->y-lasty);
259 } else if(l->type == splineTo) {
260 swf_ShapeSetCurve(tag,shape, l->sx-lastx,l->sy-lasty, l->x-l->sx,l->y-l->sy);
262 if(l->type == moveTo) {
271 swf_ShapeSetEnd(tag);
272 shape->data = tag->data;
273 shape->bitlen = tag->len*8;
276 void swf_SetShape2(TAG*tag, SHAPE2*shape2)
279 swf_Shape2ToShape(shape2, &shape);
281 swf_SetRect(tag,shape2->bbox);
282 swf_SetShapeStyles(tag, &shape);
283 swf_ShapeCountBits(&shape,NULL,NULL);
284 swf_SetShapeBits(tag,&shape);
286 swf_SetBlock(tag, shape.data, (shape.bitlen+7)/8);
290 {char {x1 y1 x2 y2 x3 y3 x4 y4]]
295 char*depth2name[65536];
299 if(tag->id == ST_PLACEOBJECT)
301 if(tag->id == ST_PLACEOBJECT2 && (tag->data[0] & 2))
308 if(tag->id == ST_PLACEOBJECT)
310 if(tag->id == ST_PLACEOBJECT2 && (tag->data[0] & 0x20))
315 char* getname(TAG*tag)
317 if(tag->id == ST_PLACEOBJECT)
319 if(tag->id == ST_PLACEOBJECT2 && (tag->data[0] & 0x20)) {
321 tag->pos = 0;tag->readBit = 0;
322 swf_GetPlaceObject(tag, &o);
328 MATRIX getmatrix(TAG*tag)
331 tag->pos = 0;tag->readBit = 0;
332 swf_GetPlaceObject(tag, &o);
336 static void swf_OptimizeBoundingBoxes(SWF*swf)
338 TAG* tag = swf->firstTag;
340 if (tag->id == ST_DEFINESHAPE ||
341 tag->id == ST_DEFINESHAPE2 ||
342 tag->id == ST_DEFINESHAPE3) {
344 if(verbose) printf("%s\n", swf_TagGetName(tag));
345 swf_ParseDefineShape(tag, &s);
346 swf_Shape2Optimize(&s);
349 swf_SetShape2(tag, &s);
354 static void showSwiftyOutput(SWF*swf)
356 TAG*tag = swf->firstTag;
358 printf("{\n\t{frame %d}\n", frame++);
361 if (tag->id == ST_SHOWFRAME) {
362 printf("}\n{\n\t{frame %d}\n", frame++);
364 if (tag->id == ST_PLACEOBJECT || tag->id == ST_PLACEOBJECT2) {
366 depth2id[swf_GetDepth(tag)] = swf_GetPlaceID(tag);
369 depth2name[swf_GetDepth(tag)] = getname(tag);
372 if (tag->id == ST_PLACEOBJECT || tag->id == ST_PLACEOBJECT2) {
373 MATRIX m = getmatrix(tag);
374 U16 id = depth2id[swf_GetDepth(tag)];
375 char*name = depth2name[swf_GetDepth(tag)];
377 SRECT bbox = bboxes[id];
379 p1.x = bbox.xmin; p1.y = bbox.ymin;
380 p2.x = bbox.xmax; p2.y = bbox.ymin;
381 p3.x = bbox.xmin; p3.y = bbox.ymax;
382 p4.x = bbox.xmax; p4.y = bbox.ymax;
383 p1 = swf_TurnPoint(p1, &m);
384 p2 = swf_TurnPoint(p2, &m);
385 p3 = swf_TurnPoint(p3, &m);
386 p4 = swf_TurnPoint(p4, &m);
388 sprintf(buf, "ID%d", id);name = buf;
390 //printf("\t#%.4f %.4f %.4f %.4f | %.4f %.4f\n", m.sx/65536.0, m.r1/65536.0, m.r0/65536.0, m.sy/65536.0, m.tx/20.0, m.ty/20.0);
391 printf("\t{%s {%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f}}\n", name,
392 p1.x/20.0, p1.y/20.0, p2.x/20.0, p2.y/20.0,
393 p3.x/20.0, p3.y/20.0, p4.x/20.0, p4.y/20.0);
401 int main (int argc,char ** argv)
406 memset(bboxes, 0, sizeof(bboxes));
407 memset(depth2name, 0, sizeof(depth2name));
409 processargs(argc, argv);
410 initLog(0,0,0,0,0,verbose?LOGLEVEL_DEBUG:LOGLEVEL_WARNING);
413 fprintf(stderr, "You must supply a filename.\n");
417 fi = open(filename,O_RDONLY|O_BINARY);
421 perror("Couldn't open file: ");
424 if FAILED(swf_ReadSWF(fi,&swf))
426 fprintf(stderr, "%s is not a valid SWF file or contains errors.\n",filename);
432 swf_OptimizeTagOrder(&swf);
435 /* Optimize bounding boxes in case -O flag was set */
437 swf_OptimizeBoundingBoxes(&swf);
440 /* Create an ID to Bounding Box table */
443 if(swf_isDefiningTag(tag) && tag->id != ST_DEFINESPRITE) {
444 bboxes[swf_GetDefineID(tag)] = swf_GetDefineBBox(tag);
449 /* Create an ID->Bounding Box table for all bounding boxes */
451 showSwiftyOutput(&swf);
455 fi = open(outfilename, O_BINARY | O_RDWR | O_CREAT | O_TRUNC, 0666);
456 if(swf_WriteSWF(fi, &swf) < 0) {
457 fprintf(stderr, "Error writing file %s", outfilename);