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 static 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)
84 printf("Usage: %s [-OS] file.swf\n", name);
86 printf("-h , --help Print help and exit\n");
87 printf("-O , --optimize Recalculate bounding boxes\n");
88 printf("-S , --swifty Print out transformed bounding boxes\n");
89 printf("-o , --output <filename> Set output filename to <filename> (for -O)\n");
90 printf("-v , --verbose Be more verbose\n");
91 printf("-V , --version Print program version and exit\n");
94 int args_callback_command(char*name,char*val)
97 fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
104 #define swf_ResetReadBits(tag) if (tag->readBit) { tag->pos++; tag->readBit = 0; }
106 void parseFillStyleArray(TAG*tag, SHAPE2*shape)
111 if(tag->id == ST_DEFINESHAPE)
113 else if(tag->id == ST_DEFINESHAPE2)
115 else if(tag->id == ST_DEFINESHAPE3)
118 count = swf_GetU8(tag);
119 if(count == 0xff && num>1) // defineshape2,3 only
120 count = swf_GetU16(tag);
122 if(verbose) printf("num: %d\n", count);
123 shape->numfillstyles = count;
124 shape->fillstyles = malloc(sizeof(FILLSTYLE)*count);
130 FILLSTYLE*dest = &shape->fillstyles[t];
131 swf_ResetReadBits(tag);
132 type = swf_GetU8(tag); //type
133 shape->fillstyles[t].type = type;
137 swf_GetRGBA(tag, &dest->color);
139 swf_GetRGB(tag, &dest->color);
141 else if(type == 0x10 || type == 0x12)
143 /* linear/radial gradient fill */
144 swf_ResetReadBits(tag);
145 swf_GetMatrix(tag, &dest->m);
146 swf_ResetReadBits(tag);
147 swf_GetGradient(tag, &dest->gradient, num>=3?1:0);
149 else if(type == 0x40 || type == 0x41)
152 swf_ResetReadBits(tag);
153 dest->id_bitmap = swf_GetU16(tag); //id
154 swf_ResetReadBits(tag); //?
155 swf_GetMatrix(tag, &dest->m);
158 fprintf(stderr, "rfxswf:swftools.c Unknown fillstyle:0x%02x\n",type);
161 swf_ResetReadBits(tag);
162 count = swf_GetU8(tag); // line style array
164 count = swf_GetU16(tag);
166 if(verbose) printf("lnum: %d\n", count);
168 shape->numlinestyles = count;
169 shape->linestyles = malloc(sizeof(LINESTYLE)*count);
170 /* TODO: should we start with 1 and insert a correct definition of the
171 "built in" linestyle 0? */
174 shape->linestyles[t].width = swf_GetU16(tag);
176 swf_GetRGBA(tag, &shape->linestyles[t].color);
178 swf_GetRGB(tag, &shape->linestyles[t].color);
183 void swf_ParseDefineShape(TAG*tag, SHAPE2*shape)
190 if(tag->id == ST_DEFINESHAPE)
192 else if(tag->id == ST_DEFINESHAPE2)
194 else if(tag->id == ST_DEFINESHAPE3)
197 fprintf(stderr, "parseDefineShape must be called with a shape tag");
200 id = swf_GetU16(tag); //id
201 memset(shape, 0, sizeof(SHAPE2));
202 shape->bbox = malloc(sizeof(SRECT));
203 swf_GetRect(tag, &r);
205 memcpy(shape->bbox, &r, sizeof(SRECT));
206 parseFillStyleArray(tag, shape);
208 swf_ResetReadBits(tag);
209 fill = (U16)swf_GetBits(tag,4);
210 line = (U16)swf_GetBits(tag,4);
212 shape->lines = swf_ParseShapeData(&tag->data[tag->pos], (tag->len - tag->pos)*8, fill, line);
217 void swf_Shape2Optimize(SHAPE2*shape)
220 shape->bbox = malloc(sizeof(SRECT));
221 *(shape->bbox) = swf_GetShapeBoundingBox(shape);
224 void swf_Shape2ToShape(SHAPE2*shape2, SHAPE*shape)
226 TAG*tag = swf_InsertTag(0,0);
228 int newx=0,newy=0,lastx=0,lasty=0,oldls=0,oldfs0=0,oldfs1=0;
230 memset(shape, 0, sizeof(SHAPE));
232 shape->linestyle.n = shape2->numlinestyles;
233 shape->linestyle.data = (LINESTYLE*)malloc(sizeof(LINESTYLE)*shape->linestyle.n);
234 memcpy(shape->linestyle.data, shape2->linestyles, sizeof(LINESTYLE)*shape->linestyle.n);
236 shape->fillstyle.n = shape2->numfillstyles;
237 shape->fillstyle.data = (FILLSTYLE*)malloc(sizeof(FILLSTYLE)*shape->fillstyle.n);
238 memcpy(shape->fillstyle.data, shape2->fillstyles, sizeof(FILLSTYLE)*shape->fillstyle.n);
240 swf_ShapeCountBits(shape,NULL,NULL);
245 int ls=0,fs0=0,fs1=0;
247 if(l->type != moveTo) {
248 if(oldls != l->linestyle) {oldls = ls = l->linestyle;if(!ls) ls=0x8000;}
249 if(oldfs0 != l->fillstyle0) {oldfs0 = fs0 = l->fillstyle0;if(!fs0) fs0=0x8000;}
250 if(oldfs1 != l->fillstyle1) {oldfs1 = fs1 = l->fillstyle1;if(!fs1) fs1=0x8000;}
252 if(ls || fs0 || fs1 || newx!=0x7fffffff || newy!=0x7fffffff) {
253 swf_ShapeSetAll(tag,shape,newx,newy,ls,fs0,fs1);
259 if(l->type == lineTo) {
260 swf_ShapeSetLine(tag,shape,l->x-lastx,l->y-lasty);
261 } else if(l->type == splineTo) {
262 swf_ShapeSetCurve(tag,shape, l->sx-lastx,l->sy-lasty, l->x-l->sx,l->y-l->sy);
264 if(l->type == moveTo) {
273 swf_ShapeSetEnd(tag);
274 shape->data = tag->data;
275 shape->bitlen = tag->len*8;
278 void swf_SetShape2(TAG*tag, SHAPE2*shape2)
281 swf_Shape2ToShape(shape2, &shape);
283 swf_SetRect(tag,shape2->bbox);
284 swf_SetShapeStyles(tag, &shape);
285 swf_ShapeCountBits(&shape,NULL,NULL);
286 swf_SetShapeBits(tag,&shape);
288 swf_SetBlock(tag, shape.data, (shape.bitlen+7)/8);
292 {char {x1 y1 x2 y2 x3 y3 x4 y4]]
297 char*depth2name[65536];
301 if(tag->id == ST_PLACEOBJECT)
303 if(tag->id == ST_PLACEOBJECT2 && (tag->data[0] & 2))
310 if(tag->id == ST_PLACEOBJECT)
312 if(tag->id == ST_PLACEOBJECT2 && (tag->data[0] & 0x20))
317 char* getname(TAG*tag)
319 if(tag->id == ST_PLACEOBJECT)
321 if(tag->id == ST_PLACEOBJECT2 && (tag->data[0] & 0x20)) {
323 tag->pos = 0;tag->readBit = 0;
324 swf_GetPlaceObject(tag, &o);
330 MATRIX getmatrix(TAG*tag)
333 tag->pos = 0;tag->readBit = 0;
334 swf_GetPlaceObject(tag, &o);
338 static void swf_OptimizeBoundingBoxes(SWF*swf)
340 TAG* tag = swf->firstTag;
342 if (tag->id == ST_DEFINESHAPE ||
343 tag->id == ST_DEFINESHAPE2 ||
344 tag->id == ST_DEFINESHAPE3) {
346 if(verbose) printf("%s\n", swf_TagGetName(tag));
347 swf_ParseDefineShape(tag, &s);
348 swf_Shape2Optimize(&s);
351 swf_SetShape2(tag, &s);
356 static void showSwiftyOutput(SWF*swf)
358 TAG*tag = swf->firstTag;
360 printf("{\n\t{frame %d}\n", frame++);
363 if (tag->id == ST_SHOWFRAME) {
364 printf("}\n{\n\t{frame %d}\n", frame++);
366 if (tag->id == ST_PLACEOBJECT || tag->id == ST_PLACEOBJECT2) {
368 depth2id[swf_GetDepth(tag)] = swf_GetPlaceID(tag);
371 depth2name[swf_GetDepth(tag)] = getname(tag);
374 if (tag->id == ST_PLACEOBJECT || tag->id == ST_PLACEOBJECT2) {
375 MATRIX m = getmatrix(tag);
376 U16 id = depth2id[swf_GetDepth(tag)];
377 char*name = depth2name[swf_GetDepth(tag)];
379 SRECT bbox = bboxes[id];
381 p1.x = bbox.xmin; p1.y = bbox.ymin;
382 p2.x = bbox.xmax; p2.y = bbox.ymin;
383 p3.x = bbox.xmin; p3.y = bbox.ymax;
384 p4.x = bbox.xmax; p4.y = bbox.ymax;
385 p1 = swf_TurnPoint(p1, &m);
386 p2 = swf_TurnPoint(p2, &m);
387 p3 = swf_TurnPoint(p3, &m);
388 p4 = swf_TurnPoint(p4, &m);
390 sprintf(buf, "ID%d", id);name = buf;
392 //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);
393 printf("\t{%s {%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f}}\n", name,
394 p1.x/20.0, p1.y/20.0, p2.x/20.0, p2.y/20.0,
395 p3.x/20.0, p3.y/20.0, p4.x/20.0, p4.y/20.0);
403 int main (int argc,char ** argv)
408 memset(bboxes, 0, sizeof(bboxes));
409 memset(depth2name, 0, sizeof(depth2name));
411 processargs(argc, argv);
412 initLog(0,0,0,0,0,verbose?LOGLEVEL_DEBUG:LOGLEVEL_WARNING);
415 fprintf(stderr, "You must supply a filename.\n");
419 fi = open(filename,O_RDONLY|O_BINARY);
423 perror("Couldn't open file: ");
426 if FAILED(swf_ReadSWF(fi,&swf))
428 fprintf(stderr, "%s is not a valid SWF file or contains errors.\n",filename);
434 swf_OptimizeTagOrder(&swf);
437 /* Optimize bounding boxes in case -O flag was set */
439 swf_OptimizeBoundingBoxes(&swf);
442 /* Create an ID to Bounding Box table */
445 if(swf_isDefiningTag(tag) && tag->id != ST_DEFINESPRITE) {
446 bboxes[swf_GetDefineID(tag)] = swf_GetDefineBBox(tag);
451 /* Create an ID->Bounding Box table for all bounding boxes */
453 showSwiftyOutput(&swf);
457 fi = open(outfilename, O_BINARY | O_RDWR | O_CREAT | O_TRUNC, 0666);
458 if(swf_WriteSWF(fi, &swf) < 0) {
459 fprintf(stderr, "Error writing file %s", outfilename);