pdf2swf/swfoutput.cc

   1 /* swfoutput.cc
   2    Implements generation of swf files using the rfxswf lib. The routines
   3    in this file are called from pdf2swf.
   4
   5    This file is part of swftools.
   6
   7    Swftools is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    Swftools is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with swftools; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  20
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include "../config.h"
  25 #include <fcntl.h>
  26 #include <unistd.h>
  27 #ifdef HAVE_ASSERT_H
  28 #include <assert.h>
  29 #else
  30 #define assert(a)
  31 #endif
  32 #include <math.h>
  33 #include "swfoutput.h"
  34 #include "spline.h"
  35 extern "C" {
  36 #include "../lib/log.h"
  37 #include "../lib/rfxswf.h"
  38 }
  39 #define standardEncodingSize 335
  40 extern char *standardEncodingNames[standardEncodingSize];
  41
  42 int opennewwindow=0;
  43 int ignoredraworder=0;
  44 int drawonlyshapes=0;
  45 int jpegquality=85;
  46 int storeallcharacters=0;
  47 int enablezlib=0;
  48 int insertstoptag=0;
  49 int flashversion=4;
  50 int splinemaxerror=1;
  51 int fontsplinemaxerror=1;
  52 static int flag_protected = 0;
  53
  54 typedef unsigned char u8;
  55 typedef unsigned short int u16;
  56 typedef unsigned long int u32;
  57
  58 static int fi;
  59 static char* filename = 0;
  60 static SWF swf;
  61 static TAG *tag;
  62 static int currentswfid = 0;
  63 static int depth = 1;
  64 static int startdepth = 1;
  65
  66 static SHAPE* shape;
  67 static int shapeid = -1;
  68 static int textid = -1;
  69
  70 static int drawmode = -1;
  71 static char storefont = 0;
  72 static int fillstyleid;
  73 static int linestyleid;
  74 static int swflastx=0;
  75 static int swflasty=0;
  76 static int lastwasfill = 0;
  77 static char fill = 0;
  78 static int sizex;
  79 static int sizey;
  80 TAG* cliptags[128];
  81 int clipshapes[128];
  82 u32 clipdepths[128];
  83 int clippos = 0;
  84
  85 int CHARMIDX = 0;
  86 int CHARMIDY = 0;
  87
  88 char fillstylechanged = 0;
  89
  90 static void startshape(struct swfoutput* obj);
  91 static void starttext(struct swfoutput* obj);
  92 static void endshape();
  93 static void endtext();
  94
  95 // matrix multiplication. changes p0
  96 static void transform (plotxy*p0,struct swfmatrix*m)
  97 {
  98     double x,y;
  99     x = m->m11*p0->x+m->m12*p0->y;
 100     y = m->m21*p0->x+m->m22*p0->y;
 101     p0->x = x + m->m13;
 102     p0->y = y + m->m23;
 103 }
 104
 105 // write a move-to command into the swf
 106 static int moveto(TAG*tag, plotxy p0)
 107 {
 108     int rx = (int)(p0.x*20);
 109     int ry = (int)(p0.y*20);
 110     if(rx!=swflastx || ry!=swflasty || fillstylechanged) {
 111       swf_ShapeSetMove (tag, shape, rx,ry);
 112       fillstylechanged = 0;
 113       swflastx=rx;
 114       swflasty=ry;
 115       return 1;
 116     }
 117     return 0;
 118 }
 119
 120 // write a line-to command into the swf
 121 static void lineto(TAG*tag, plotxy p0)
 122 {
 123     int rx = ((int)(p0.x*20)-swflastx);
 124     int ry = ((int)(p0.y*20)-swflasty);
 125     /* we can't skip this for rx=0,ry=0, those
 126        are plots */
 127     swf_ShapeSetLine (tag, shape, rx,ry);
 128     swflastx+=rx;
 129     swflasty+=ry;
 130 }
 131
 132 // write a spline-to command into the swf
 133 static void splineto(TAG*tag, plotxy control,plotxy end)
 134 {
 135     int cx = ((int)(control.x*20)-swflastx);
 136     int cy = ((int)(control.y*20)-swflasty);
 137     swflastx += cx;
 138     swflasty += cy;
 139     int ex = ((int)(end.x*20)-swflastx);
 140     int ey = ((int)(end.y*20)-swflasty);
 141     swflastx += ex;
 142     swflasty += ey;
 143     if(cx || cy || ex || ey)
 144         swf_ShapeSetCurve(tag, shape, cx,cy,ex,ey);
 145 }
 146
 147 /* write a line, given two points and the transformation
 148    matrix. */
 149 static void line(TAG*tag, plotxy p0, plotxy p1, struct swfmatrix*m)
 150 {
 151     transform(&p0,m);
 152     transform(&p1,m);
 153     moveto(tag, p0);
 154     lineto(tag, p1);
 155 }
 156
 157 /* write a cubic (!) spline. This involves calling the approximate()
 158    function out of spline.cc to convert it to a quadratic spline.  */
 159 static void spline(TAG*tag,plotxy p0,plotxy p1,plotxy p2,plotxy p3,struct swfmatrix*m)
 160 {
 161     double d;
 162     struct qspline q[128];
 163     int num;
 164     int t;
 165     transform(&p0,m);
 166     transform(&p1,m);
 167     transform(&p2,m);
 168     transform(&p3,m);
 169     cspline c;
 170     c.start = p3;
 171     c.control1 = p2;
 172     c.control2 = p1;
 173     c.end = p0;
 174
 175     if(storefont) {
 176         /* fonts use a different approximation than shapes */
 177         num = cspline_approximate(&c, q, fontsplinemaxerror/20.0, APPROXIMATE_RECURSIVE_BINARY);
 178         //num = cspline_approximate(&c, q, 10.0, APPROXIMATE_INFLECTION);
 179     } else {
 180         num = cspline_approximate(&c, q,     splinemaxerror/20.0, APPROXIMATE_RECURSIVE_BINARY);
 181     }
 182     for(t=0;t<num;t++) {
 183         if(!t)
 184             moveto(tag,q[t].start);
 185         splineto(tag,q[t].control, q[t].end);
 186     }
 187 }
 188
 189 void resetdrawer()
 190 {
 191     swflastx = 0;
 192     swflasty = 0;
 193 }
 194
 195 static void stopFill()
 196 {
 197     if(lastwasfill)
 198     {
 199      swf_ShapeSetStyle(tag,shape,linestyleid,0x8000,0);
 200      fillstylechanged = 1;
 201      lastwasfill = 0;
 202     }
 203 }
 204 static void startFill()
 205 {
 206     if(!lastwasfill)
 207     {
 208      swf_ShapeSetStyle(tag,shape,0x8000,fillstyleid,0);
 209      fillstylechanged = 1;
 210      lastwasfill = 1;
 211     }
 212 }
 213
 214 /* draw a T1 outline. These are generated by pdf2swf and by t1lib
 215    (representing characters). */
 216 void drawpath(TAG*tag, T1_OUTLINE*outline, struct swfmatrix*m, int log)
 217 {
 218     if(tag->id != ST_DEFINEFONT &&
 219         tag->id != ST_DEFINESHAPE &&
 220         tag->id != ST_DEFINESHAPE2 &&
 221         tag->id != ST_DEFINESHAPE3)
 222     {
 223         msg("<error> internal error: drawpath needs a shape tag, not %d\n",tag->id);
 224         exit(1);
 225     }
 226     double x=0,y=0;
 227     double lastx=0,lasty=0;
 228     double firstx=0,firsty=0;
 229     int init=1;
 230
 231     while (outline)
 232     {
 233         x += (outline->dest.x/(float)0xffff);
 234         y += (outline->dest.y/(float)0xffff);
 235         if(outline->type == T1_PATHTYPE_MOVE)
 236         {
 237             if(((int)(lastx*20) != (int)(firstx*20) ||
 238                 (int)(lasty*20) != (int)(firsty*20)) &&
 239                      fill && !init)
 240             {
 241                 plotxy p0;
 242                 plotxy p1;
 243                 p0.x=lastx;
 244                 p0.y=lasty;
 245                 p1.x=firstx;
 246                 p1.y=firsty;
 247                 if(log) printf("fix: %f,%f -> %f,%f\n",p0.x,p0.y,p1.x,p1.y);
 248                 line(tag, p0, p1, m);
 249             }
 250             firstx=x;
 251             firsty=y;
 252             init = 0;
 253         }
 254         else if(outline->type == T1_PATHTYPE_LINE)
 255         {
 256             plotxy p0;
 257             plotxy p1;
 258             p0.x=lastx;
 259             p0.y=lasty;
 260             p1.x=x;
 261             p1.y=y;
 262             if(log) printf("line: %f,%f -> %f,%f\n",p0.x,p0.y,p1.x,p1.y);
 263             line(tag, p0,p1,m);
 264         }
 265         else if(outline->type == T1_PATHTYPE_BEZIER)
 266         {
 267             plotxy p0;
 268             plotxy p1;
 269             plotxy p2;
 270             plotxy p3;
 271             T1_BEZIERSEGMENT*o2 = (T1_BEZIERSEGMENT*)outline;
 272             p0.x=x;
 273             p0.y=y;
 274             p1.x=o2->C.x/(float)0xffff+lastx;
 275             p1.y=o2->C.y/(float)0xffff+lasty;
 276             p2.x=o2->B.x/(float)0xffff+lastx;
 277             p2.y=o2->B.y/(float)0xffff+lasty;
 278             p3.x=lastx;
 279             p3.y=lasty;
 280             if(log) printf("spline: %f,%f -> %f,%f\n",p3.x,p3.y,p0.x,p0.y);
 281             spline(tag,p0,p1,p2,p3,m);
 282         }
 283         else {
 284             msg("<error> drawpath: unknown outline type:%d\n", outline->type);
 285         }
 286         lastx=x;
 287         lasty=y;
 288         outline = outline->link;
 289     }
 290     if(((int)(lastx*20) != (int)(firstx*20) ||
 291         (int)(lasty*20) != (int)(firsty*20)) &&
 292              fill)
 293     {
 294         plotxy p0;
 295         plotxy p1;
 296         p0.x=lastx;
 297         p0.y=lasty;
 298         p1.x=firstx;
 299         p1.y=firsty;
 300         if(log) printf("fix: %f,%f -> %f,%f\n",p0.x,p0.y,p1.x,p1.y);
 301         line(tag, p0, p1, m);
 302     }
 303 }
 304
 305 plotxy getPivot(T1_OUTLINE*outline, int dir, double line_width, int end, int trytwo)
 306 {
 307     T1_PATHPOINT next, next2;
 308     double xv=0,yv=0, xv2=0, yv2=0;
 309     plotxy p;
 310     int two = 0;
 311
 312     if(!end) {
 313         if(outline->type == T1_PATHTYPE_LINE) {
 314             next = outline->dest;
 315         } else {
 316             next = ((T1_BEZIERSEGMENT*)outline)->B;
 317             if(next.x==0 && next.y==0) {
 318                 next = ((T1_BEZIERSEGMENT*)outline)->C;
 319             }
 320             if(next.x==0 && next.y==0) {
 321                 next = ((T1_BEZIERSEGMENT*)outline)->dest;
 322             }
 323         }
 324         next2 = next;
 325         if(trytwo && outline->last && outline->last->type != T1_PATHTYPE_MOVE) {
 326             if(outline->type == T1_PATHTYPE_LINE) {
 327                 next2 = outline->last->dest;
 328             } else {
 329                 T1_PATHPOINT c = ((T1_BEZIERSEGMENT*)(outline->last))->C;
 330                 T1_PATHPOINT b = ((T1_BEZIERSEGMENT*)(outline->last))->B;
 331                 next2.x = outline->last->dest.x - c.x;
 332                 next2.y = outline->last->dest.y - c.y;
 333                 if(next2.x==0 && next2.y==0) {
 334                     next2.x = outline->last->dest.x - b.x;
 335                     next2.y = outline->last->dest.y - b.y;
 336                 }
 337                 if(next2.x==0 && next2.y==0) {
 338                     next2.x = outline->last->dest.x;
 339                     next2.y = outline->last->dest.y;
 340                 }
 341             }
 342             two = 1;
 343         }
 344     } else {
 345         if(outline->type == T1_PATHTYPE_LINE) {
 346             next = outline->dest;
 347         } else {
 348             T1_PATHPOINT c = ((T1_BEZIERSEGMENT*)outline)->C;
 349             T1_PATHPOINT b = ((T1_BEZIERSEGMENT*)outline)->B;
 350             next.x = outline->dest.x - c.x;
 351             next.y = outline->dest.y - c.y;
 352             if(next.x==0 && next.y==0) {
 353                 next.x = outline->dest.x - b.x;
 354                 next.y = outline->dest.y - b.y;
 355             }
 356             if(next.x==0 && next.y==0) {
 357                 next.x = outline->dest.x;
 358                 next.y = outline->dest.y;
 359             }
 360         }
 361         next2 = next;
 362         if(trytwo && outline->link && outline->link->type != T1_PATHTYPE_MOVE) {
 363             if(outline->type == T1_PATHTYPE_LINE) {
 364                 next2 = outline->link->dest;
 365             } else {
 366                 next2 = ((T1_BEZIERSEGMENT*)(outline->link))->B;
 367                 if(next2.x==0 && next2.y==0) {
 368                     next2 = ((T1_BEZIERSEGMENT*)outline->link)->C;
 369                 }
 370                 if(next2.x==0 && next2.y==0) {
 371                     next2 = ((T1_BEZIERSEGMENT*)outline->link)->dest;
 372                 }
 373             }
 374             two = 1;
 375         }
 376     }
 377
 378     if(dir) {
 379         xv =  next.y/(float)0xffff;
 380         yv = -next.x/(float)0xffff;
 381     } else {
 382         xv = -next.y/(float)0xffff;
 383         yv =  next.x/(float)0xffff;
 384     }
 385
 386     double r = (line_width/2)/sqrt(xv*xv+yv*yv);
 387     xv*=r;
 388     yv*=r;
 389
 390     if(two) {
 391         if(dir) {
 392             xv2 =  next2.y/(float)0xffff;
 393             yv2 = -next2.x/(float)0xffff;
 394         } else {
 395             xv2 = -next2.y/(float)0xffff;
 396             yv2 =  next2.x/(float)0xffff;
 397         }
 398
 399         double r2 = (line_width/2)/sqrt(xv2*xv2+yv2*yv2);
 400         xv2*=r2;
 401         yv2*=r2;
 402         xv = (xv+xv2)/2;
 403         yv = (yv+yv2)/2;
 404         double r3 = (line_width/2)/sqrt(xv*xv+yv*yv);
 405         xv *= r3;
 406         yv *= r3;
 407     }
 408
 409     p.x = xv;
 410     p.y = yv;
 411     return p;
 412 }
 413
 414 void drawShortPath(struct swfoutput*output, double x, double y, struct swfmatrix* m, T1_OUTLINE*outline)
 415 {
 416     double lastx=x, lasty=y;
 417     while (outline && outline->type != T1_PATHTYPE_MOVE)
 418     {
 419         x += (outline->dest.x/(float)0xffff);
 420         y += (outline->dest.y/(float)0xffff);
 421
 422         if(outline->type == T1_PATHTYPE_LINE)
 423         {
 424             plotxy p0, p1;
 425             p0.x=lastx;
 426             p0.y=lasty;
 427             p1.x= x;
 428             p1.y= y;
 429             line(tag, p0, p1, m);
 430         }
 431         else if(outline->type == T1_PATHTYPE_BEZIER)
 432         {
 433             plotxy p0,p1,p2,p3;
 434             T1_BEZIERSEGMENT*o2 = (T1_BEZIERSEGMENT*)outline;
 435             p3.x=lastx;
 436             p3.y=lasty;
 437             p1.x=o2->C.x/(float)0xffff+lastx;
 438             p1.y=o2->C.y/(float)0xffff+lasty;
 439             p2.x=o2->B.x/(float)0xffff+lastx;
 440             p2.y=o2->B.y/(float)0xffff+lasty;
 441             p0.x=x;
 442             p0.y=y;
 443             spline(tag,p0,p1,p2,p3,m);
 444         }
 445         lastx=x;
 446         lasty=y;
 447         outline = outline->link;
 448     }
 449 }
 450
 451 void drawShortPathWithEnds(struct swfoutput*output, double x, double y, struct swfmatrix* m, T1_OUTLINE*outline, int num, int line_cap, int line_join, double line_width)
 452 {
 453     plotxy d,d2;
 454     int back = 0;
 455
 456     if(line_cap == LINE_CAP_BUTT || line_cap == LINE_CAP_SQUARE) {
 457         endshape();
 458         startshape(output);
 459         T1_OUTLINE *last, *tmp=outline;
 460         plotxy s,e,p0,p1,p2,p3,m0,m1,m2,m3;
 461         double x2 = x;
 462         double y2 = y;
 463         double lx=x,ly=y;
 464         double ee = 1.0;
 465         int nr;
 466         while(tmp && tmp->type != T1_PATHTYPE_MOVE) {
 467             last = tmp;
 468             lx += (tmp->dest.x/(float)0xffff);
 469             ly += (tmp->dest.y/(float)0xffff);
 470             tmp = tmp->link;
 471         }
 472         s = getPivot(outline, 0, line_width, 0, 0);
 473         e = getPivot(last, 0, line_width, 1, 0);
 474
 475         if(line_cap == LINE_CAP_BUTT) {
 476             /* make the clipping rectangle slighly bigger
 477                than the line ending, so that it get's clipped
 478                propertly */
 479             //ee = 1.01;
 480             ee=1.0;
 481         }
 482
 483         p0.x = x2 + s.x*ee;
 484         p0.y = y2 + s.y*ee;
 485         p1.x = x2 - s.x*ee;
 486         p1.y = y2 - s.y*ee;
 487         p2.x = x2 - s.y - s.x*ee;
 488         p2.y = y2 + s.x - s.y*ee;
 489         p3.x = x2 - s.y + s.x*ee;
 490         p3.y = y2 + s.x + s.y*ee;
 491         m0.x = lx + e.x*ee;
 492         m0.y = ly + e.y*ee;
 493         m1.x = lx - e.x*ee;
 494         m1.y = ly - e.y*ee;
 495         m2.x = lx + e.y - e.x*ee;
 496         m2.y = ly - e.x - e.y*ee;
 497         m3.x = lx + e.y + e.x*ee;
 498         m3.y = ly - e.x + e.y*ee;
 499
 500         for(nr=0;nr<2;nr++) {
 501             int dir=0;
 502             struct plotxy q0,q1,q2,q3,q4,q5;
 503             startFill();
 504             if(line_cap == LINE_CAP_BUTT) {
 505                 if(dir) {
 506                     q0.x = 0; q0.y = 0;
 507                     q1.x = sizex; q1.y = 0;
 508                     q2.x = sizex; q2.y = sizey;
 509                     q3.x = 0; q3.y = sizey;
 510                 } else {
 511                     q0.x = sizex; q0.y = sizey;
 512                     q1.x = 0; q1.y = sizey;
 513                     q2.x = 0; q2.y = 0;
 514                     q3.x = sizex; q3.y = 0;
 515                 }
 516                 q4.x = p0.x;
 517                 q4.y = p0.y;
 518                 moveto(tag, q0);
 519                 lineto(tag, q1);
 520                 lineto(tag, q2);
 521                 lineto(tag, q3);
 522                 lineto(tag, q0);
 523
 524                 transform(&q4,m);
 525                 lineto(tag, q4);
 526             }
 527
 528             line(tag, p0, p1, m);
 529             line(tag, p1, p2, m);
 530             line(tag, p2, p3, m);
 531             line(tag, p3, p0, m);
 532
 533             if(line_cap == LINE_CAP_BUTT) {
 534                 lineto(tag, q0);
 535                 swf_ShapeSetEnd(tag);
 536                 tag = swf_InsertTag(tag, ST_PLACEOBJECT2);
 537                 swf_ObjectPlaceClip(tag,shapeid,depth,NULL,NULL,NULL,depth+2-nr);
 538                 depth++;
 539                 shapeid = -1;
 540                 startshape(output);
 541             }
 542             p0 = m0;
 543             p1 = m1;
 544             p2 = m2;
 545             p3 = m3;
 546         }
 547
 548         stopFill();
 549     }
 550
 551     drawShortPath(output,x,y,m,outline);
 552
 553     if(line_cap == LINE_CAP_BUTT) {
 554         endshape();
 555         startshape(output);
 556     }
 557 }
 558
 559 void drawT1toRect(struct swfoutput*output, double x, double y, struct swfmatrix* m, T1_OUTLINE*outline, int num, int line_cap, int line_join, double line_width)
 560 {
 561     plotxy d1,d2,p1,p2,p3,p4;
 562
 563     d1.x = (outline->dest.x/(float)0xffff);
 564     d1.y = (outline->dest.y/(float)0xffff);
 565     d2 = getPivot(outline, 0, line_width, 0, 0);
 566
 567     assert(line_cap != LINE_CAP_ROUND);
 568     if(line_cap == LINE_CAP_SQUARE) {
 569         x -= +d2.y;
 570         y -= -d2.x;
 571         d1.x += +2*d2.y;
 572         d1.y += -2*d2.x;
 573     }
 574
 575     p1.x = x + d2.x;
 576     p1.y = y + d2.y;
 577     p2.x = x + d2.x + d1.x;
 578     p2.y = y + d2.y + d1.y;
 579     p3.x = x - d2.x + d1.x;
 580     p3.y = y - d2.y + d1.y;
 581     p4.x = x - d2.x;
 582     p4.y = y - d2.y;
 583
 584     line(tag, p1,p2, m);
 585     line(tag, p2,p3, m);
 586     line(tag, p3,p4, m);
 587     line(tag, p4,p1, m);
 588 }
 589
 590 void drawShortPathWithStraightEnds(struct swfoutput*output, double x, double y, struct swfmatrix* m, T1_OUTLINE*outline, int num, int line_cap, int line_join, double line_width)
 591 {
 592     T1_OUTLINE*tmp=outline;
 593     double xx=x,yy=y;
 594     int stop=0;
 595     assert(shapeid>=0);
 596
 597     startFill();
 598     drawT1toRect(output, x, y, m,outline, num, line_cap, line_join, line_width);
 599
 600     while(tmp->link && tmp->link->type!=T1_PATHTYPE_MOVE) {
 601         xx += (tmp->dest.x/(float)0xffff);
 602         yy += (tmp->dest.y/(float)0xffff);
 603         tmp = tmp->link;
 604     }
 605
 606     assert(tmp->type == T1_PATHTYPE_LINE);
 607     assert(outline->type == T1_PATHTYPE_LINE);
 608
 609     if(tmp!=outline) {
 610
 611         if(outline->link == tmp) {
 612             /* the two straight line segments (which are everything we
 613                need to draw) are very likely to overlap. To avoid that
 614                they cancel each other out at the end points, start a new
 615                shape for the second one */
 616             endshape();startshape(output);
 617             startFill();
 618         }
 619
 620         drawT1toRect(output, xx, yy, m, tmp, num, line_cap, line_join, line_width);
 621
 622         if(outline->link != tmp)
 623         {
 624             stopFill();stop=1;
 625             int save= tmp->type;
 626             tmp->type = T1_PATHTYPE_MOVE;
 627             x += (outline->dest.x/(float)0xffff);
 628             y += (outline->dest.y/(float)0xffff);
 629             outline = outline->link;
 630             drawShortPath(output, x, y, m, outline);
 631             tmp->type = save;
 632         }
 633     }
 634     if(!stop)
 635         stopFill();
 636 }
 637
 638 static int t1len(T1_OUTLINE*line)
 639 {
 640     int num=0;
 641     while(line && line->type != T1_PATHTYPE_MOVE) {
 642         num++;
 643         line = line->link;
 644     }
 645     return num;
 646 }
 647
 648 static float t1linelen(T1_OUTLINE*line)
 649 {
 650     float x,y;
 651     x = (line->dest.x/(float)0xffff);
 652     y = (line->dest.y/(float)0xffff);
 653     return sqrt(x*x+y*y);
 654 }
 655
 656 void drawpath2poly(struct swfoutput *output, T1_OUTLINE*outline, struct swfmatrix*m, int log, int line_join, int line_cap, double line_width, double miter_limit)
 657 {
 658     if(tag->id != ST_DEFINEFONT &&
 659         tag->id != ST_DEFINESHAPE &&
 660         tag->id != ST_DEFINESHAPE2 &&
 661         tag->id != ST_DEFINESHAPE3) {
 662         msg("<error> internal error: drawpath needs a shape tag, not %d\n",tag->id);
 663         exit(1);
 664     }
 665     assert(shapeid>=0);
 666     double x=0,y=0;
 667     double lastx=0,lasty=0;
 668     int valid = 0;
 669     int lastwasline = 0;
 670     T1_OUTLINE*tmp = outline, *last = 0;
 671     tmp->last = 0;
 672
 673     while(1) {
 674         if(tmp) {
 675             x += (tmp->dest.x/(float)0xffff);
 676             y += (tmp->dest.y/(float)0xffff);
 677         }
 678         if(!tmp || tmp->type == T1_PATHTYPE_MOVE) {
 679             if(valid && last) {
 680                 if(last->type == T1_PATHTYPE_LINE && t1linelen(last)>line_width*2 &&
 681                    lastwasline && line_cap != LINE_CAP_ROUND)
 682                     drawShortPathWithStraightEnds(output, lastx, lasty, m, last, valid, line_cap, line_join, line_width);
 683                 else
 684                     drawShortPathWithEnds(output, lastx, lasty, m, last, valid, line_cap, line_join, line_width);
 685             }
 686             if(!tmp)
 687                 break;
 688             valid = 0;
 689             last = 0;
 690             lastx = x;
 691             lasty = y;
 692         } else {
 693             if(!last)
 694                 last = tmp;
 695             valid++;
 696         }
 697
 698         if(tmp && tmp->type == T1_PATHTYPE_LINE && t1linelen(tmp)>line_width*2)
 699             lastwasline = 1;
 700         else
 701             lastwasline = 0;
 702
 703         if(tmp->link)
 704             tmp->link->last = tmp; // make sure list is properly linked in both directions
 705         tmp = tmp->link;
 706     }
 707 }
 708
 709 static inline int colorcompare(RGBA*a,RGBA*b)
 710 {
 711
 712     if(a->r!=b->r ||
 713        a->g!=b->g ||
 714        a->b!=b->b ||
 715        a->a!=b->a) {
 716         return 0;
 717     }
 718     return 1;
 719 }
 720
 721 static const int CHARDATAMAX = 1024;
 722 struct chardata {
 723     int charid;
 724     int fontid;
 725     int x;
 726     int y;
 727     int size;
 728     RGBA color;
 729 } chardata[CHARDATAMAX];
 730 int chardatapos = 0;
 731
 732 static void putcharacters(TAG*tag)
 733 {
 734     int t;
 735     SWFFONT font;
 736     RGBA color;
 737     color.r = chardata[0].color.r^255;
 738     color.g = 0;
 739     color.b = 0;
 740     color.a = 0;
 741     int lastfontid;
 742     int lastx;
 743     int lasty;
 744     int lastsize;
 745     int charids[128];
 746     int charadvance[128];
 747     int charstorepos;
 748     int pass;
 749     int glyphbits=1; //TODO: can this be zero?
 750     int advancebits=1;
 751
 752     if(tag->id != ST_DEFINETEXT &&
 753         tag->id != ST_DEFINETEXT2) {
 754         msg("<error> internal error: putcharacters needs an text tag, not %d\n",tag->id);
 755         exit(1);
 756     }
 757     if(!chardatapos) {
 758         msg("<warning> putcharacters called with zero characters");
 759     }
 760
 761     for(pass = 0; pass < 2; pass++)
 762     {
 763         charstorepos = 0;
 764         lastfontid = -1;
 765         lastx = CHARMIDX;
 766         lasty = CHARMIDY;
 767         lastsize = -1;
 768
 769         if(pass==1)
 770         {
 771             advancebits++; // add sign bit
 772             swf_SetU8(tag, glyphbits);
 773             swf_SetU8(tag, advancebits);
 774         }
 775
 776         for(t=0;t<=chardatapos;t++)
 777         {
 778             if(lastfontid != chardata[t].fontid ||
 779                     lastx!=chardata[t].x ||
 780                     lasty!=chardata[t].y ||
 781                     !colorcompare(&color, &chardata[t].color) ||
 782                     charstorepos==127 ||
 783                     lastsize != chardata[t].size ||
 784                     t == chardatapos)
 785             {
 786                 if(charstorepos && pass==0)
 787                 {
 788                     int s;
 789                     for(s=0;s<charstorepos;s++)
 790                     {
 791                         while(charids[s]>=(1<<glyphbits))
 792                             glyphbits++;
 793                         while(charadvance[s]>=(1<<advancebits))
 794                             advancebits++;
 795                     }
 796                 }
 797                 if(charstorepos && pass==1)
 798                 {
 799                     tag->writeBit = 0; // Q&D
 800                     swf_SetBits(tag, 0, 1); // GLYPH Record
 801                     swf_SetBits(tag, charstorepos, 7); // number of glyphs
 802                     int s;
 803                     for(s=0;s<charstorepos;s++)
 804                     {
 805                         swf_SetBits(tag, charids[s], glyphbits);
 806                         swf_SetBits(tag, charadvance[s], advancebits);
 807                     }
 808                 }
 809                 charstorepos = 0;
 810
 811                 if(pass == 1 && t<chardatapos)
 812                 {
 813                     RGBA*newcolor=0;
 814                     SWFFONT*newfont=0;
 815                     int newx = 0;
 816                     int newy = 0;
 817                     if(lastx != chardata[t].x ||
 818                        lasty != chardata[t].y)
 819                     {
 820                         newx = chardata[t].x;
 821                         newy = chardata[t].y;
 822                         if(newx == 0)
 823                             newx = SET_TO_ZERO;
 824                         if(newy == 0)
 825                             newy = SET_TO_ZERO;
 826                     }
 827                     if(!colorcompare(&color, &chardata[t].color))
 828                     {
 829                         color = chardata[t].color;
 830                         newcolor = &color;
 831                     }
 832                     font.id = chardata[t].fontid;
 833                     if(lastfontid != chardata[t].fontid || lastsize != chardata[t].size)
 834                         newfont = &font;
 835
 836                     tag->writeBit = 0; // Q&D
 837                     swf_TextSetInfoRecord(tag, newfont, chardata[t].size, newcolor, newx,newy);
 838                 }
 839
 840                 lastfontid = chardata[t].fontid;
 841                 lastx = chardata[t].x;
 842                 lasty = chardata[t].y;
 843                 lastsize = chardata[t].size;
 844             }
 845
 846             if(t==chardatapos)
 847                     break;
 848
 849             int advance;
 850             int nextt = t==chardatapos-1?t:t+1;
 851             int rel = chardata[nextt].x-chardata[t].x;
 852             if(rel>=0 && (rel<(1<<(advancebits-1)) || pass==0)) {
 853                advance = rel;
 854                lastx=chardata[nextt].x;
 855             }
 856             else {
 857                advance = 0;
 858                lastx=chardata[t].x;
 859             }
 860             charids[charstorepos] = chardata[t].charid;
 861             charadvance[charstorepos] = advance;
 862             charstorepos ++;
 863         }
 864     }
 865     chardatapos = 0;
 866 }
 867
 868 static void putcharacter(struct swfoutput*obj, int fontid, int charid,
 869                     int x,int y, int size)
 870 {
 871     if(chardatapos == CHARDATAMAX)
 872     {
 873         endtext();
 874         starttext(obj);
 875     }
 876     chardata[chardatapos].fontid = fontid;
 877     chardata[chardatapos].charid = charid;
 878     chardata[chardatapos].x = x;
 879     chardata[chardatapos].y = y;
 880     chardata[chardatapos].color = obj->fillrgb;
 881     chardata[chardatapos].size = size;
 882     chardatapos++;
 883 }
 884
 885
 886 /* process a character. */
 887 static void drawchar(struct swfoutput*obj, SWFFont*font, char*character, int charnr, swfmatrix*m)
 888 {
 889     int usefonts=1;
 890     if(m->m12!=0 || m->m21!=0)
 891         usefonts=0;
 892     if(m->m11 != m->m22)
 893         usefonts=0;
 894
 895     if(!font) {
 896         msg("<warning> Font is NULL");
 897     }
 898
 899     if(usefonts && ! drawonlyshapes)
 900     {
 901         int charid = font->getSWFCharID(character, charnr);
 902         if(charid<0) {
 903             msg("<warning> Didn't find character '%s' (%d) in current charset (%s)",
 904                     FIXNULL(character),charnr, FIXNULL(font->getName()));
 905             return;
 906         }
 907         if(shapeid>=0)
 908             endshape();
 909         if(textid<0)
 910             starttext(obj);
 911         putcharacter(obj, font->swfid, charid,(int)(m->m13*20),(int)(m->m23*20),
 912                 (int)(m->m11*20/2+0.5)); //where does the /2 come from?
 913     }
 914     else
 915     {
 916         T1_OUTLINE*outline = font->getOutline(character, charnr);
 917         char* charname = character;
 918
 919         if(!outline) {
 920          msg("<warning> Didn't find character '%s' (%d) in current charset (%s)",
 921                  FIXNULL(character),charnr,FIXNULL(font->getName()));
 922          return;
 923         }
 924
 925         swfmatrix m2=*m;
 926         m2.m11/=100;
 927         m2.m21/=100;
 928         m2.m12/=100;
 929         m2.m22/=100;
 930
 931         if(textid>=0)
 932             endtext();
 933         if(shapeid<0)
 934             startshape(obj);
 935
 936         startFill();
 937
 938         int lf = fill;
 939         fill = 1;
 940         drawpath(tag, outline, &m2, 0);
 941         fill = lf;
 942     }
 943 }
 944
 945 /* draw a curved polygon. */
 946 void swfoutput_drawpath(swfoutput*output, T1_OUTLINE*outline,
 947                             struct swfmatrix*m)
 948 {
 949     if(textid>=0)
 950         endtext();
 951
 952     /* Multiple polygons in one shape don't overlap correctly,
 953        so we better start a new shape here if the polygon is filled
 954      */
 955     if(shapeid>=0 && fill && !ignoredraworder) {
 956         endshape();
 957     }
 958
 959     if(shapeid<0)
 960         startshape(output);
 961
 962     if(!fill)
 963         stopFill();
 964     else
 965         startFill();
 966
 967     drawpath(tag, outline,m, 0);
 968 }
 969
 970 void swfoutput_drawpath2poly(struct swfoutput*output, T1_OUTLINE*outline, struct swfmatrix*m, int line_join, int line_cap, double line_width, double miter_limit)
 971 {
 972     if(textid>=0)
 973         endtext();
 974     if(shapeid>=0)
 975         endshape();
 976     assert(shapeid<0);
 977     startshape(output);
 978     stopFill();
 979
 980     drawpath2poly(output, outline, m, 0, line_join, line_cap, line_width, miter_limit);
 981 }
 982
 983 /* SWFFont: copy all t1 font outlines to a local
 984    array. */
 985 SWFFont::SWFFont(char*name, int id, char*filename)
 986 {
 987     if(!T1_GetFontName(id))
 988         T1_LoadFont(id);
 989
 990     this->name = strdup(T1_GetFontFileName(id));
 991     this->fontid = strdup(name);
 992     this->t1id = id;
 993
 994     char**charnamebase= T1_GetAllCharNames(id);
 995     char**a= charnamebase;
 996     int t, outlinepos=0;
 997     char*map[256];
 998
 999     char*null = 0;
1000     if(!a)
1001         a=&null;
1002
1003     t=0;
1004     while(a[t])
1005         t++;
1006     this->charnum = t;
1007
1008     if(!charnum) {
1009         this->standardtablesize = 0;
1010     }
1011     msg("<verbose> Font %s(%d): Storing %d outlines.\n", FIXNULL(name), id, charnum);
1012
1013     this->standardtablesize = 256;
1014     if(this->charnum < this->standardtablesize)
1015         this->standardtablesize = this->charnum;
1016     this->standardtable = (char**)malloc(standardtablesize*sizeof(char*));
1017
1018     for(t = 0; t < this->standardtablesize; t++) {
1019         char*name = T1_GetCharName(id,t);
1020         char chh[2] = "";
1021         chh[0] = t;
1022         if(!name || !strstr(name, "notdef")) {
1023             if(t<standardEncodingSize) {
1024                 name = standardEncodingNames[t];
1025             }
1026             if(!name) {
1027                 name = ""; //TODO: store something like <%d>
1028             }
1029         }
1030         standardtable[t] = strdup(name);
1031         msg("<debug> Char %d is named %s\n", t, name);
1032     }
1033
1034     outline = (T1_OUTLINE**)malloc(charnum*sizeof(T1_OUTLINE*));
1035     charname = (char**)malloc(charnum*sizeof(char*));
1036     width = (int*)malloc(charnum*sizeof(int));
1037     memset(width, 0, charnum*sizeof(int));
1038     memset(charname, 0, charnum*sizeof(char*));
1039     used = (char*)malloc(charnum*sizeof(char));
1040     char2swfcharid = (U16*)malloc(charnum*2);
1041     swfcharid2char = (U16*)malloc(charnum*2);
1042     swfcharpos = 0;
1043
1044     memset(used,0,charnum*sizeof(char));
1045
1046     this->swfid = ++currentswfid;
1047
1048     t=0;
1049     while(*a)
1050     {
1051         map[t] = strdup(*a);
1052         a++;
1053         t++;
1054         if(t==256 || !*a) {
1055             int s;
1056             for(s=t;s<256;s++)
1057                 map[s] = ".notdef";
1058
1059             int ret = T1_ReencodeFont(id, map);
1060             if(ret) {
1061              T1_DeleteFont(id);
1062              T1_LoadFont(id);
1063              int ret = T1_ReencodeFont(id, map);
1064              if(ret)
1065                fprintf(stderr,"Can't reencode font: (%s) ret:%d\n",filename, ret);
1066              /* Deleting the font invalidates the charname array,
1067                 so we have to ask for it again now.
1068                 We continue at the position we were, hoping the font
1069                 didn't shrink in the meantime or something.
1070               */
1071              a = T1_GetAllCharNames(id) + (a - charnamebase);
1072             }
1073
1074             // parsecharacters
1075             for(s=0;s<t;s++)
1076             {
1077                 char* name = T1_GetCharName(id, s);
1078                 if(!name) name = "";
1079                 this->outline[outlinepos] = T1_CopyOutline(T1_GetCharOutline(id, s, 100.0, 0));
1080                 this->width[outlinepos] = T1_GetCharWidth(id, s);
1081                 this->charname[outlinepos] = strdup(name);
1082                 outlinepos++;
1083             }
1084
1085             for(s=0;s<t;s++)
1086                 free(map[s]);
1087             t=0;
1088         }
1089     }
1090 }
1091
1092 /* free all tables, write out definefont tags */
1093 SWFFont::~SWFFont()
1094 {
1095     int t,usednum=0;
1096     int*ptr;
1097
1098     if(storeallcharacters)
1099     {
1100         int t;
1101         for(t=0;t<this->charnum;t++)
1102         {
1103             if(this->charname[t])
1104               getSWFCharID(this->charname[t], -1);
1105         }
1106     }
1107
1108     ptr = (int*)malloc(swfcharpos*sizeof(int));
1109
1110     for(t=0;t<charnum;t++)
1111         if(used[t]) usednum++;
1112
1113     if(usednum && !drawonlyshapes)
1114     {
1115         msg("<verbose> Font %s has %d used characters",FIXNULL(fontid), usednum);
1116         TAG*ftag = swf_InsertTag(swf.firstTag,ST_DEFINEFONT);
1117         swf_SetU16(ftag, this->swfid);
1118         int initpos = swf_GetTagLen(ftag);
1119         swfmatrix m;
1120         m.m11 = m.m22 = 1;
1121         m.m21 = m.m12 = 0;
1122         m.m13 = CHARMIDX;
1123         m.m23 = CHARMIDY;
1124
1125         for(t=0;t<swfcharpos;t++)
1126         {
1127             ptr[t] = swf_GetTagLen(ftag);
1128             swf_SetU16(ftag, 0x1234);
1129         }
1130         for(t=0;t<swfcharpos;t++)
1131         {
1132             *(U16*)&ftag->data[ptr[t]] =
1133                 SWAP16(swf_GetTagLen(ftag)-initpos);
1134
1135             swflastx=0;
1136             swflasty=0;
1137             swf_SetU8(ftag,0x10); //1 fill bits, 0 linestyle bits
1138             SHAPE s;
1139             s.bits.fill = 1;
1140             s.bits.line = 0;
1141             swf_ShapeSetStyle(ftag,&s,0,1,0);
1142             fillstylechanged = 1;
1143             int lastfill = fill;
1144             fill = 1;
1145             storefont = 1;
1146             drawpath(ftag, outline[swfcharid2char[t]],&m, 0);
1147             storefont = 0;
1148             fill = lastfill;
1149             swf_ShapeSetEnd(ftag);
1150         }
1151         ftag = swf_InsertTag(ftag,ST_DEFINEFONTINFO);
1152         swf_SetU16(ftag, this->swfid);
1153         if(this->fontid) {
1154             swf_SetU8(ftag, strlen(this->fontid));
1155             swf_SetBlock(ftag, (U8*)this->fontid, strlen(this->fontid));
1156         } else {
1157             swf_SetU8(ftag, 0);
1158         }
1159         swf_SetU8(ftag, 0); //flags
1160         for(t=0;t<swfcharpos;t++)
1161         {
1162             int s;
1163             char * name = this->charname[this->swfcharid2char[t]];
1164             for(s=0;s<256;s++) {
1165                 if(standardEncodingNames[s] &&
1166                         !strcmp(name,standardEncodingNames[s]))
1167                     break;
1168             }
1169             swf_SetU8(ftag, (U8)s);
1170         }
1171     }
1172
1173     free(ptr);
1174     if(outline)
1175         free(outline);
1176     for(t=0;t<charnum;t++)
1177         free(charname[t]);
1178     for(t=0;t<standardtablesize;t++)
1179         if(standardtable[t]) {
1180             free(standardtable[t]);
1181         }
1182     free(standardtable);
1183     free(charname);
1184     free(width);
1185     free(used);
1186     free(swfcharid2char);
1187     free(char2swfcharid);
1188 }
1189
1190 T1_OUTLINE*SWFFont::getOutline(char*name, int charnr)
1191 {
1192     int t;
1193     for(t=0;t<this->charnum;t++) {
1194         if(!strcmp(this->charname[t],name)) {
1195             return outline[t];
1196         }
1197     }
1198
1199     /* if we didn't find the character, maybe
1200        we can find the capitalized version */
1201     for(t=0;t<this->charnum;t++) {
1202         if(!strcasecmp(this->charname[t],name))
1203             return outline[t];
1204     }
1205
1206     /* if we didn't find it by name, use the names of the first 256 characters
1207        of the font to try a new name based on charnr */
1208     if(this->standardtable && charnr>=0 && charnr < this->standardtablesize) {
1209         T1_OUTLINE*ret =  getOutline(this->standardtable[charnr], -1);
1210         if(ret) return ret;
1211     }
1212
1213     return 0;
1214 }
1215
1216 int SWFFont::getSWFCharID(char*name, int charnr)
1217 {
1218     int t;
1219     for(t=0;t<this->charnum;t++) {
1220         if(!strcmp(this->charname[t],name)) {
1221             if(!used[t])
1222             {
1223                 swfcharid2char[swfcharpos] = t;
1224                 char2swfcharid[t] = swfcharpos++;
1225                 used[t] = 1;
1226             }
1227             return char2swfcharid[t];
1228         }
1229     }
1230
1231     /* if we didn't find the character, maybe
1232        we can find the capitalized version */
1233     for(t=0;t<this->charnum;t++) {
1234         if(!strcasecmp(this->charname[t],name)) {
1235             if(!used[t])
1236             {
1237                 swfcharid2char[swfcharpos] = t;
1238                 char2swfcharid[t] = swfcharpos++;
1239                 used[t] = 1;
1240             }
1241             return char2swfcharid[t];
1242         }
1243     }
1244
1245     /* if we didn't find it by name, use the names of the first 256 (or so) characters
1246        of the font to try a new name based on charnr */
1247     if(this->standardtable && charnr>=0 && charnr < this->standardtablesize) {
1248         int ret = getSWFCharID(this->standardtable[charnr], -1);
1249         if(ret) return ret;
1250     }
1251     return -1;
1252 }
1253
1254 int SWFFont::getWidth(char*name)
1255 {
1256     int t;
1257     for(t=0;t<this->charnum;t++) {
1258         if(!strcmp(this->charname[t],name)) {
1259             return this->width[t];
1260         }
1261     }
1262     return 0;
1263 }
1264
1265 char*SWFFont::getName()
1266 {
1267     return this->name;
1268 }
1269
1270 struct fontlist_t
1271 {
1272     SWFFont * font;
1273     fontlist_t*next;
1274 } *fontlist = 0;
1275
1276 /* set's the t1 font index of the font to use for swfoutput_drawchar(). */
1277 void swfoutput_setfont(struct swfoutput*obj, char*fontid, int t1id, char*filename)
1278 {
1279     fontlist_t*last=0,*iterator;
1280     if(obj->font && !strcmp(obj->font->fontid,fontid))
1281         return;
1282
1283     iterator = fontlist;
1284     while(iterator) {
1285         if(!strcmp(iterator->font->fontid,fontid))
1286             break;
1287         last = iterator;
1288         iterator = iterator->next;
1289     }
1290     if(iterator)
1291     {
1292         obj->font = iterator->font;
1293         return ;
1294     }
1295
1296     if(t1id<0) {
1297         msg("<error> internal error: t1id:%d, fontid:%s\n", t1id,FIXNULL(fontid));
1298     }
1299
1300     SWFFont*font = new SWFFont(fontid, t1id, filename);
1301     iterator = new fontlist_t;
1302     iterator->font = font;
1303     iterator->next = 0;
1304
1305     if(last)
1306         last->next = iterator;
1307     else
1308         fontlist = iterator;
1309     obj->font = font;
1310 }
1311
1312 int swfoutput_queryfont(struct swfoutput*obj, char*fontid)
1313 {
1314     fontlist_t *iterator = fontlist;
1315     while(iterator) {
1316         if(!strcmp(iterator->font->fontid,fontid))
1317             return 1;
1318         iterator = iterator->next;
1319     }
1320     return 0;
1321 }
1322
1323 /* set's the matrix which is to be applied to characters drawn by
1324    swfoutput_drawchar() */
1325 void swfoutput_setfontmatrix(struct swfoutput*obj,double m11,double m12,
1326                                                   double m21,double m22)
1327 {
1328     if(obj->fontm11 == m11 &&
1329        obj->fontm12 == m12 &&
1330        obj->fontm21 == m21 &&
1331        obj->fontm22 == m22)
1332         return;
1333 //    if(textid>=0)
1334 //      endtext();
1335     obj->fontm11 = m11;
1336     obj->fontm12 = m12;
1337     obj->fontm21 = m21;
1338     obj->fontm22 = m22;
1339 }
1340
1341 /* draws a character at x,y. */
1342 void swfoutput_drawchar(struct swfoutput* obj,double x,double y,char*character, int charnr)
1343 {
1344     swfmatrix m;
1345     m.m11 = obj->fontm11;
1346     m.m12 = obj->fontm12;
1347     m.m21 = obj->fontm21;
1348     m.m22 = obj->fontm22;
1349     m.m13 = x;
1350     m.m23 = y;
1351     drawchar(obj, obj->font, character, charnr, &m);
1352 }
1353
1354 /* initialize the swf writer */
1355 void swfoutput_init(struct swfoutput* obj, char*_filename, int x1, int y1, int x2, int y2)
1356 {
1357   GLYPH *glyph;
1358   RGBA rgb;
1359   SRECT r;
1360   memset(obj, 0, sizeof(struct swfoutput));
1361   filename = _filename;
1362   sizex = x2;
1363   sizey = y2;
1364
1365   msg("<verbose> initializing swf output for size %d*%d\n", sizex,sizey);
1366
1367   obj->font = 0;
1368
1369   memset(&swf,0x00,sizeof(SWF));
1370
1371   swf.fileVersion    = flashversion;
1372   swf.frameRate      = 0x0040; // 1 frame per 4 seconds
1373   swf.movieSize.xmin = 20*x1;
1374   swf.movieSize.ymin = 20*y1;
1375   swf.movieSize.xmax = 20*x2;
1376   swf.movieSize.ymax = 20*y2;
1377
1378   depth = 1;
1379
1380   swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
1381   tag = swf.firstTag;
1382   rgb.a = rgb.r = rgb.g = rgb.b = 0xff;
1383   swf_SetRGB(tag,&rgb);
1384
1385   if(1)/* add white rectangle */
1386   {
1387       SRECT r;
1388       SHAPE* s;
1389       int ls1=0,fs1=0;
1390       int shapeid = ++currentswfid;
1391       r.xmin = x1*20;
1392       r.ymin = y1*20;
1393       r.xmax = x2*20;
1394       r.ymax = y2*20;
1395       tag = swf_InsertTag(tag, ST_DEFINESHAPE);
1396       swf_ShapeNew(&s);
1397       fs1 = swf_ShapeAddSolidFillStyle(s, &rgb);
1398       swf_SetU16(tag,shapeid);
1399       swf_SetRect(tag,&r);
1400       swf_SetShapeHeader(tag,s);
1401       swf_ShapeSetAll(tag,s,x1*20,y1*20,ls1,fs1,0);
1402       swf_ShapeSetLine(tag,s,20*(x2-x1),0);
1403       swf_ShapeSetLine(tag,s,0,20*(y2-y1));
1404       swf_ShapeSetLine(tag,s,20*(x1-x2),0);
1405       swf_ShapeSetLine(tag,s,0,20*(y1-y2));
1406       swf_ShapeSetEnd(tag);
1407       swf_ShapeFree(s);
1408       tag = swf_InsertTag(tag, ST_PLACEOBJECT2);
1409       swf_ObjectPlace(tag,shapeid,depth++,0,0,0);
1410   }
1411
1412   if(flag_protected)
1413     tag = swf_InsertTag(tag, ST_PROTECT);
1414
1415   startdepth = depth;
1416 }
1417
1418 void swfoutput_setprotected() //write PROTECT tag
1419 {
1420   flag_protected = 1;
1421 }
1422
1423 static void startshape(struct swfoutput*obj)
1424 {
1425   RGBA rgb;
1426   SRECT r;
1427
1428   if(textid>=0)
1429       endtext();
1430
1431   tag = swf_InsertTag(tag,ST_DEFINESHAPE);
1432
1433   swf_ShapeNew(&shape);
1434   linestyleid = swf_ShapeAddLineStyle(shape,obj->linewidth,&obj->strokergb);
1435   rgb.r = obj->fillrgb.r;
1436   rgb.g = obj->fillrgb.g;
1437   rgb.b = obj->fillrgb.b;
1438   fillstyleid = swf_ShapeAddSolidFillStyle(shape,&obj->fillrgb);
1439
1440   shapeid = ++currentswfid;
1441   swf_SetU16(tag,shapeid);  // ID
1442
1443   r.xmin = 0;
1444   r.ymin = 0;
1445   r.xmax = 20*sizex;
1446   r.ymax = 20*sizey;
1447
1448   swf_SetRect(tag,&r);
1449
1450   swf_SetShapeStyles(tag,shape);
1451   swf_ShapeCountBits(shape,NULL,NULL);
1452   swf_SetShapeBits(tag,shape);
1453
1454   swf_ShapeSetAll(tag,shape,/*x*/0,/*y*/0,linestyleid,0,0);
1455   swflastx=swflasty=0;
1456   lastwasfill = 0;
1457 }
1458
1459 static void starttext(struct swfoutput*obj)
1460 {
1461   SRECT r;
1462   MATRIX m;
1463   if(shapeid>=0)
1464       endshape();
1465   tag = swf_InsertTag(tag,ST_DEFINETEXT);
1466   textid = ++currentswfid;
1467   swf_SetU16(tag, textid);
1468
1469   r.xmin = 0;
1470   r.ymin = 0;
1471   r.xmax = 20*sizex;
1472   r.ymax = 20*sizey;
1473
1474   swf_SetRect(tag,&r);
1475
1476   m.sx = 65536;
1477   m.sy = 65536;
1478   m.r0 = 0;
1479   m.r1 = 0;
1480   m.tx = 0;
1481   m.ty = 0;
1482
1483   swf_SetMatrix(tag,&m);
1484   swflastx=swflasty=0;
1485 }
1486
1487 static void endshape()
1488 {
1489     if(shapeid<0)
1490         return;
1491     swf_ShapeSetEnd(tag);
1492     tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
1493     swf_ObjectPlace(tag,shapeid,/*depth*/depth++,NULL,NULL,NULL);
1494     shapeid = -1;
1495 }
1496
1497 static void endtext()
1498 {
1499     if(textid<0)
1500         return;
1501     putcharacters(tag);
1502     swf_SetU8(tag,0);
1503     tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
1504     swf_ObjectPlace(tag,textid,/*depth*/depth++,NULL,NULL,NULL);
1505     textid = -1;
1506 }
1507
1508 static void endpage(struct swfoutput*obj)
1509 {
1510     if(shapeid>=0)
1511       endshape();
1512     if(textid>=0)
1513       endtext();
1514     while(clippos)
1515         swfoutput_endclip(obj);
1516
1517     if(insertstoptag) {
1518         ActionTAG*atag=0;
1519         atag = action_Stop(atag);
1520         atag = action_End(atag);
1521         tag = swf_InsertTag(tag,ST_DOACTION);
1522         swf_ActionSet(tag,atag);
1523     }
1524     tag = swf_InsertTag(tag,ST_SHOWFRAME);
1525 }
1526
1527 void swfoutput_newpage(struct swfoutput*obj)
1528 {
1529     endpage(obj);
1530
1531     for(depth--;depth>=startdepth;depth--) {
1532         tag = swf_InsertTag(tag,ST_REMOVEOBJECT2);
1533         swf_SetU16(tag,depth);
1534     }
1535
1536     depth = startdepth;
1537 }
1538
1539 /* "destroy" like in (oo-terminology) "destructor". Perform cleaning
1540    up, complete the swf, and write it out. */
1541 void swfoutput_destroy(struct swfoutput* obj)
1542 {
1543     endpage(obj);
1544     fontlist_t *tmp,*iterator = fontlist;
1545     while(iterator) {
1546         delete iterator->font;
1547         iterator->font = 0;
1548         tmp = iterator;
1549         iterator = iterator->next;
1550         delete tmp;
1551     }
1552
1553     T1_CloseLib();
1554     if(!filename)
1555         return;
1556     if(filename)
1557      fi = open(filename, O_BINARY|O_CREAT|O_TRUNC|O_WRONLY, 0777);
1558     else
1559      fi = 1; // stdout
1560
1561     if(fi<=0) {
1562      msg("<fatal> Could not create \"%s\". ", FIXNULL(filename));
1563      exit(1);
1564     }
1565
1566     tag = swf_InsertTag(tag,ST_END);
1567
1568     if(enablezlib) {
1569       if FAILED(swf_WriteSWC(fi,&swf))
1570        msg("<error> WriteSWC() failed.\n");
1571     } else {
1572       if FAILED(swf_WriteSWF(fi,&swf))
1573        msg("<error> WriteSWF() failed.\n");
1574     }
1575
1576     if(filename)
1577      close(fi);
1578     msg("<notice> SWF written\n");
1579 }
1580
1581 void swfoutput_setdrawmode(swfoutput* obj, int mode)
1582 {
1583     drawmode = mode;
1584     if(mode == DRAWMODE_FILL)
1585      fill = 1;
1586     else if(mode == DRAWMODE_EOFILL)
1587      fill = 1;
1588     else if(mode == DRAWMODE_STROKE)
1589      fill = 0;
1590     else if(mode == DRAWMODE_CLIP)
1591      fill = 1;
1592     else if(mode == DRAWMODE_EOCLIP)
1593      fill = 1;
1594 }
1595
1596 void swfoutput_setfillcolor(swfoutput* obj, u8 r, u8 g, u8 b, u8 a)
1597 {
1598     if(obj->fillrgb.r == r &&
1599        obj->fillrgb.g == g &&
1600        obj->fillrgb.b == b &&
1601        obj->fillrgb.a == a) return;
1602     if(shapeid>=0)
1603      endshape();
1604
1605     obj->fillrgb.r = r;
1606     obj->fillrgb.g = g;
1607     obj->fillrgb.b = b;
1608     obj->fillrgb.a = a;
1609 }
1610
1611 void swfoutput_setstrokecolor(swfoutput* obj, u8 r, u8 g, u8 b, u8 a)
1612 {
1613     if(obj->strokergb.r == r &&
1614        obj->strokergb.g == g &&
1615        obj->strokergb.b == b &&
1616        obj->strokergb.a == a) return;
1617
1618     if(shapeid>=0)
1619      endshape();
1620     obj->strokergb.r = r;
1621     obj->strokergb.g = g;
1622     obj->strokergb.b = b;
1623     obj->strokergb.a = a;
1624 }
1625
1626 void swfoutput_setlinewidth(struct swfoutput*obj, double linewidth)
1627 {
1628     if(obj->linewidth == (u16)(linewidth*20))
1629         return;
1630
1631     if(shapeid>=0)
1632      endshape();
1633     obj->linewidth = (u16)(linewidth*20);
1634 }
1635
1636
1637 void swfoutput_startclip(swfoutput*obj, T1_OUTLINE*outline, struct swfmatrix*m)
1638 {
1639     if(textid>=0)
1640      endtext();
1641     if(shapeid>=0)
1642      endshape();
1643
1644     if(clippos >= 127)
1645     {
1646         msg("<warning> Too many clip levels.");
1647         clippos --;
1648     }
1649
1650     startshape(obj);
1651     int olddrawmode = drawmode;
1652     swfoutput_setdrawmode(obj, DRAWMODE_CLIP);
1653     swfoutput_drawpath(obj, outline, m);
1654     swf_ShapeSetEnd(tag);
1655     swfoutput_setdrawmode(obj, olddrawmode);
1656
1657     tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
1658     cliptags[clippos] = tag;
1659     clipshapes[clippos] = shapeid;
1660     clipdepths[clippos] = depth++;
1661     clippos++;
1662     shapeid = -1;
1663 }
1664
1665 void swfoutput_endclip(swfoutput*obj)
1666 {
1667     if(textid>=0)
1668      endtext();
1669     if(shapeid>=0)
1670      endshape();
1671
1672     if(!clippos) {
1673         msg("<error> Invalid end of clipping region");
1674         return;
1675     }
1676     clippos--;
1677     swf_ObjectPlaceClip(cliptags[clippos],clipshapes[clippos],clipdepths[clippos],NULL,NULL,NULL,depth++);
1678 }
1679
1680 static void drawlink(struct swfoutput*obj, ActionTAG*,ActionTAG*, swfcoord*points, char mouseover);
1681
1682 void swfoutput_linktourl(struct swfoutput*obj, char*url, swfcoord*points)
1683 {
1684     ActionTAG* actions;
1685     if(!strncmp("http://pdf2swf:", url, 15)) {
1686      char*tmp = strdup(url);
1687      int l = strlen(tmp);
1688      if(tmp[l-1] == '/')
1689         tmp[l-1] = 0;
1690      swfoutput_namedlink(obj, tmp+15, points);
1691      free(tmp);
1692      return;
1693     }
1694
1695     if(shapeid>=0)
1696      endshape();
1697     if(textid>=0)
1698      endtext();
1699
1700     if(opennewwindow)
1701       actions = action_GetUrl(0, url, "_parent");
1702     else
1703       actions = action_GetUrl(0, url, "_this");
1704     actions = action_End(actions);
1705
1706     drawlink(obj, actions, 0, points,0);
1707 }
1708 void swfoutput_linktopage(struct swfoutput*obj, int page, swfcoord*points)
1709 {
1710     ActionTAG* actions;
1711
1712     if(shapeid>=0)
1713      endshape();
1714     if(textid>=0)
1715      endtext();
1716
1717       actions = action_GotoFrame(0, page);
1718       actions = action_End(actions);
1719
1720     drawlink(obj, actions, 0, points,0);
1721 }
1722
1723 /* Named Links (a.k.a. Acrobatmenu) are used to implement various gadgets
1724    of the viewer objects, like subtitles, index elements etc.
1725 */
1726 void swfoutput_namedlink(struct swfoutput*obj, char*name, swfcoord*points)
1727 {
1728     ActionTAG *actions1,*actions2;
1729     char*tmp = strdup(name);
1730     char mouseover = 1;
1731
1732     if(shapeid>=0)
1733      endshape();
1734     if(textid>=0)
1735      endtext();
1736
1737     if(!strncmp(tmp, "call:", 5))
1738     {
1739         char*x = strchr(&tmp[5], ':');
1740         if(!x) {
1741             actions1 = action_PushInt(0, 0); //number of parameters (0)
1742             actions1 = action_PushString(actions1, &tmp[5]); //function name
1743             actions1 = action_CallFunction(actions1);
1744         } else {
1745             *x = 0;
1746             actions1 = action_PushString(0, x+1); //parameter
1747             actions1 = action_PushInt(actions1, 1); //number of parameters (1)
1748             actions1 = action_PushString(actions1, &tmp[5]); //function name
1749             actions1 = action_CallFunction(actions1);
1750         }
1751         actions2 = action_End(0);
1752         mouseover = 0;
1753     }
1754     else
1755     {
1756         actions1 = action_PushString(0, "/:subtitle");
1757         actions1 = action_PushString(actions1, name);
1758         actions1 = action_SetVariable(actions1);
1759         actions1 = action_End(actions1);
1760
1761         actions2 = action_PushString(0, "/:subtitle");
1762         actions2 = action_PushString(actions2, "");
1763         actions2 = action_SetVariable(actions2);
1764         actions2 = action_End(actions2);
1765     }
1766
1767     drawlink(obj, actions1, actions2, points,mouseover);
1768
1769     swf_ActionFree(actions1);
1770     swf_ActionFree(actions2);
1771     free(tmp);
1772 }
1773
1774 static void drawlink(struct swfoutput*obj, ActionTAG*actions1, ActionTAG*actions2, swfcoord*points, char mouseover)
1775 {
1776     RGBA rgb;
1777     SRECT r;
1778     int lsid=0;
1779     int fsid;
1780     struct plotxy p1,p2,p3,p4;
1781     int myshapeid;
1782     int myshapeid2;
1783     double xmin,ymin;
1784     double xmax=xmin=points[0].x,ymax=ymin=points[0].y;
1785     double posx = 0;
1786     double posy = 0;
1787     int t;
1788     int buttonid = ++currentswfid;
1789     for(t=1;t<4;t++)
1790     {
1791         if(points[t].x>xmax) xmax=points[t].x;
1792         if(points[t].y>ymax) ymax=points[t].y;
1793         if(points[t].x<xmin) xmin=points[t].x;
1794         if(points[t].y<ymin) ymin=points[t].y;
1795     }
1796
1797     p1.x=points[0].x; p1.y=points[0].y; p2.x=points[1].x; p2.y=points[1].y;
1798     p3.x=points[2].x; p3.y=points[2].y; p4.x=points[3].x; p4.y=points[3].y;
1799
1800     /* the following code subtracts the upper left edge from all coordinates,
1801        and set's posx,posy so that ST_PLACEOBJECT is used with a matrix.
1802        Necessary for preprocessing with swfcombine. */
1803     posx = xmin; posy = ymin;
1804     p1.x-=posx;p2.x-=posx;p3.x-=posx;p4.x-=posx;
1805     p1.y-=posy;p2.y-=posy;p3.y-=posy;p4.y-=posy;
1806     xmin -= posx; ymin -= posy;
1807     xmax -= posx; ymax -= posy;
1808
1809     /* shape */
1810     myshapeid = ++currentswfid;
1811     tag = swf_InsertTag(tag,ST_DEFINESHAPE3);
1812     swf_ShapeNew(&shape);
1813     rgb.r = rgb.b = rgb.a = rgb.g = 0;
1814     fsid = swf_ShapeAddSolidFillStyle(shape,&rgb);
1815     swf_SetU16(tag, myshapeid);
1816     r.xmin = (int)(xmin*20);
1817     r.ymin = (int)(ymin*20);
1818     r.xmax = (int)(xmax*20);
1819     r.ymax = (int)(ymax*20);
1820     swf_SetRect(tag,&r);
1821     swf_SetShapeStyles(tag,shape);
1822     swf_ShapeCountBits(shape,NULL,NULL);
1823     swf_SetShapeBits(tag,shape);
1824     swf_ShapeSetAll(tag,shape,/*x*/0,/*y*/0,0,fsid,0);
1825     swflastx = swflasty = 0;
1826     moveto(tag, p1);
1827     lineto(tag, p2);
1828     lineto(tag, p3);
1829     lineto(tag, p4);
1830     lineto(tag, p1);
1831     swf_ShapeSetEnd(tag);
1832
1833     /* shape2 */
1834     myshapeid2 = ++currentswfid;
1835     tag = swf_InsertTag(tag,ST_DEFINESHAPE3);
1836     swf_ShapeNew(&shape);
1837     rgb.r = rgb.b = rgb.a = rgb.g = 255;
1838     rgb.a = 40;
1839     fsid = swf_ShapeAddSolidFillStyle(shape,&rgb);
1840     swf_SetU16(tag, myshapeid2);
1841     r.xmin = (int)(xmin*20);
1842     r.ymin = (int)(ymin*20);
1843     r.xmax = (int)(xmax*20);
1844     r.ymax = (int)(ymax*20);
1845     swf_SetRect(tag,&r);
1846     swf_SetShapeStyles(tag,shape);
1847     swf_ShapeCountBits(shape,NULL,NULL);
1848     swf_SetShapeBits(tag,shape);
1849     swf_ShapeSetAll(tag,shape,/*x*/0,/*y*/0,0,fsid,0);
1850     swflastx = swflasty = 0;
1851     moveto(tag, p1);
1852     lineto(tag, p2);
1853     lineto(tag, p3);
1854     lineto(tag, p4);
1855     lineto(tag, p1);
1856     swf_ShapeSetEnd(tag);
1857
1858     if(!mouseover)
1859     {
1860         tag = swf_InsertTag(tag,ST_DEFINEBUTTON);
1861         swf_SetU16(tag,buttonid); //id
1862         swf_ButtonSetFlags(tag, 0); //menu=no
1863         swf_ButtonSetRecord(tag,0x01,myshapeid,depth,0,0);
1864         swf_ButtonSetRecord(tag,0x02,myshapeid2,depth,0,0);
1865         swf_ButtonSetRecord(tag,0x04,myshapeid2,depth,0,0);
1866         swf_ButtonSetRecord(tag,0x08,myshapeid,depth,0,0);
1867         swf_SetU8(tag,0);
1868         swf_ActionSet(tag,actions1);
1869         swf_SetU8(tag,0);
1870     }
1871     else
1872     {
1873         tag = swf_InsertTag(tag,ST_DEFINEBUTTON2);
1874         swf_SetU16(tag,buttonid); //id
1875         swf_ButtonSetFlags(tag, 0); //menu=no
1876         swf_ButtonSetRecord(tag,0x01,myshapeid,depth,0,0);
1877         swf_ButtonSetRecord(tag,0x02,myshapeid2,depth,0,0);
1878         swf_ButtonSetRecord(tag,0x04,myshapeid2,depth,0,0);
1879         swf_ButtonSetRecord(tag,0x08,myshapeid,depth,0,0);
1880         swf_SetU8(tag,0); // end of button records
1881         swf_ButtonSetCondition(tag, BC_IDLE_OVERUP);
1882         swf_ActionSet(tag,actions1);
1883         if(actions2) {
1884             swf_ButtonSetCondition(tag, BC_OVERUP_IDLE);
1885             swf_ActionSet(tag,actions2);
1886             swf_SetU8(tag,0);
1887             swf_ButtonPostProcess(tag, 2);
1888         } else {
1889             swf_SetU8(tag,0);
1890             swf_ButtonPostProcess(tag, 1);
1891         }
1892     }
1893
1894     tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
1895
1896     if(posx!=0 || posy!=0) {
1897         MATRIX m;
1898         swf_GetMatrix(0,&m);
1899         m.tx = (int)(posx*20);
1900         m.ty = (int)(posy*20);
1901         swf_ObjectPlace(tag, buttonid, depth++,&m,0,0);
1902     }
1903     else {
1904         swf_ObjectPlace(tag, buttonid, depth++,0,0,0);
1905     }
1906 }
1907
1908 static void drawimage(struct swfoutput*obj, int bitid, int sizex,int sizey,
1909         double x1,double y1,
1910         double x2,double y2,
1911         double x3,double y3,
1912         double x4,double y4)
1913 {
1914     RGBA rgb;
1915     SRECT r;
1916     int lsid=0;
1917     int fsid;
1918     struct plotxy p1,p2,p3,p4;
1919     int myshapeid;
1920     double xmax=x1,ymax=y1,xmin=x1,ymin=y1;
1921     if(x2>xmax) xmax=x2;
1922     if(y2>ymax) ymax=y2;
1923     if(x2<xmin) xmin=x2;
1924     if(y2<ymin) ymin=y2;
1925     if(x3>xmax) xmax=x3;
1926     if(y3>ymax) ymax=y3;
1927     if(x3<xmin) xmin=x3;
1928     if(y3<ymin) ymin=y3;
1929     if(x4>xmax) xmax=x4;
1930     if(y4>ymax) ymax=y4;
1931     if(x4<xmin) xmin=x4;
1932     if(y4<ymin) ymin=y4;
1933     p1.x=x1; p1.y=y1;
1934     p2.x=x2; p2.y=y2;
1935     p3.x=x3; p3.y=y3;
1936     p4.x=x4; p4.y=y4;
1937
1938     {p1.x = (int)(p1.x*20)/20.0;
1939      p1.y = (int)(p1.y*20)/20.0;
1940      p2.x = (int)(p2.x*20)/20.0;
1941      p2.y = (int)(p2.y*20)/20.0;
1942      p3.x = (int)(p3.x*20)/20.0;
1943      p3.y = (int)(p3.y*20)/20.0;
1944      p4.x = (int)(p4.x*20)/20.0;
1945      p4.y = (int)(p4.y*20)/20.0;}
1946
1947     MATRIX m;
1948     m.sx = (int)(65536*20*(p4.x-p1.x)/sizex);
1949     m.r1 = -(int)(65536*20*(p4.y-p1.y)/sizex);
1950     m.r0 = (int)(65536*20*(p1.x-p2.x)/sizey);
1951     m.sy = -(int)(65536*20*(p1.y-p2.y)/sizey);
1952
1953     m.tx = (int)(p1.x*20);
1954     m.ty = (int)(p1.y*20);
1955
1956     /* shape */
1957     myshapeid = ++currentswfid;
1958     tag = swf_InsertTag(tag,ST_DEFINESHAPE);
1959     swf_ShapeNew(&shape);
1960     //lsid = ShapeAddLineStyle(shape,obj->linewidth,&obj->strokergb);
1961     //fsid = ShapeAddSolidFillStyle(shape,&obj->fillrgb);
1962     fsid = swf_ShapeAddBitmapFillStyle(shape,&m,bitid,1);
1963     swf_SetU16(tag, myshapeid);
1964     r.xmin = (int)(xmin*20);
1965     r.ymin = (int)(ymin*20);
1966     r.xmax = (int)(xmax*20);
1967     r.ymax = (int)(ymax*20);
1968     swf_SetRect(tag,&r);
1969     swf_SetShapeStyles(tag,shape);
1970     swf_ShapeCountBits(shape,NULL,NULL);
1971     swf_SetShapeBits(tag,shape);
1972     swf_ShapeSetAll(tag,shape,/*x*/0,/*y*/0,lsid,fsid,0);
1973     swflastx = swflasty = 0;
1974     moveto(tag, p1);
1975     lineto(tag, p2);
1976     lineto(tag, p3);
1977     lineto(tag, p4);
1978     lineto(tag, p1);
1979     /*
1980     ShapeMoveTo  (tag, shape, (int)(x1*20),(int)(y1*20));
1981     ShapeSetLine (tag, shape, (int)(x1*20);
1982     ShapeSetLine (tag, shape, x*20,0);
1983     ShapeSetLine (tag, shape, 0,-y*20);
1984     ShapeSetLine (tag, shape, -x*20,0);*/
1985     swf_ShapeSetEnd(tag);
1986
1987     /* instance */
1988     tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
1989     swf_ObjectPlace(tag,myshapeid,/*depth*/depth++,NULL,NULL,NULL);
1990 }
1991
1992 int swfoutput_drawimagejpeg_old(struct swfoutput*obj, char*filename, int sizex,int sizey,
1993         double x1,double y1,
1994         double x2,double y2,
1995         double x3,double y3,
1996         double x4,double y4)
1997 {
1998     TAG*oldtag;
1999     if(shapeid>=0)
2000      endshape();
2001     if(textid>=0)
2002      endtext();
2003
2004     int bitid = ++currentswfid;
2005     oldtag = tag;
2006     tag = swf_InsertTag(tag,ST_DEFINEBITSJPEG2);
2007     swf_SetU16(tag, bitid);
2008     if(swf_SetJPEGBits(tag, filename, jpegquality)<0) {
2009         swf_DeleteTag(tag);
2010         tag = oldtag;
2011         return -1;
2012     }
2013
2014     drawimage(obj, bitid, sizex, sizey, x1,y1,x2,y2,x3,y3,x4,y4);
2015     return bitid;
2016 }
2017
2018 int swfoutput_drawimagejpeg(struct swfoutput*obj, RGBA*mem, int sizex,int sizey,
2019         double x1,double y1,
2020         double x2,double y2,
2021         double x3,double y3,
2022         double x4,double y4)
2023 {
2024     TAG*oldtag;
2025     JPEGBITS*jpeg;
2026
2027     if(shapeid>=0)
2028      endshape();
2029     if(textid>=0)
2030      endtext();
2031
2032     int bitid = ++currentswfid;
2033     oldtag = tag;
2034     tag = swf_InsertTag(tag,ST_DEFINEBITSJPEG2);
2035     swf_SetU16(tag, bitid);
2036     swf_SetJPEGBits2(tag,sizex,sizey,mem,jpegquality);
2037     drawimage(obj, bitid, sizex, sizey, x1,y1,x2,y2,x3,y3,x4,y4);
2038     return bitid;
2039 }
2040
2041 int swfoutput_drawimagelossless(struct swfoutput*obj, RGBA*mem, int sizex,int sizey,
2042         double x1,double y1,
2043         double x2,double y2,
2044         double x3,double y3,
2045         double x4,double y4)
2046 {
2047     TAG*oldtag;
2048     if(shapeid>=0)
2049      endshape();
2050     if(textid>=0)
2051      endtext();
2052
2053     int bitid = ++currentswfid;
2054     oldtag = tag;
2055     tag = swf_InsertTag(tag,ST_DEFINEBITSLOSSLESS);
2056     swf_SetU16(tag, bitid);
2057     if(swf_SetLosslessBits(tag,sizex,sizey,mem, BMF_32BIT)<0) {
2058         swf_DeleteTag(tag);
2059         tag = oldtag;
2060         return -1;
2061     }
2062
2063     drawimage(obj, bitid, sizex, sizey, x1,y1,x2,y2,x3,y3,x4,y4);
2064     return bitid;
2065 }
2066
2067 int swfoutput_drawimagelosslessN(struct swfoutput*obj, U8*mem, RGBA*pal, int sizex,int sizey,
2068         double x1,double y1,
2069         double x2,double y2,
2070         double x3,double y3,
2071         double x4,double y4, int n)
2072 {
2073     TAG*oldtag;
2074     U8*mem2 = 0;
2075     if(shapeid>=0)
2076      endshape();
2077     if(textid>=0)
2078      endtext();
2079
2080     if(sizex&3)
2081     {
2082         /* SWF expects scanlines to be 4 byte aligned */
2083         int x,y;
2084         U8*ptr;
2085         mem2 = (U8*)malloc(BYTES_PER_SCANLINE(sizex)*sizey);
2086         ptr = mem2;
2087         for(y=0;y<sizey;y++)
2088         {
2089             for(x=0;x<sizex;x++)
2090                 *ptr++ = mem[y*sizex+x];
2091             ptr+= BYTES_PER_SCANLINE(sizex)-sizex;
2092         }
2093         mem = mem2;
2094     }
2095
2096     int bitid = ++currentswfid;
2097     oldtag = tag;
2098     tag = swf_InsertTag(tag,ST_DEFINEBITSLOSSLESS2);
2099     swf_SetU16(tag, bitid);
2100     if(swf_SetLosslessBitsIndexed(tag,sizex,sizey,mem, pal, n)<0) {
2101         swf_DeleteTag(tag);
2102         tag = oldtag;
2103         return -1;
2104     }
2105     if(mem2)
2106         free(mem2);
2107
2108     drawimage(obj, bitid, sizex, sizey, x1,y1,x2,y2,x3,y3,x4,y4);
2109     return bitid;
2110 }
2111
2112 void swfoutput_drawimageagain(struct swfoutput*obj, int id, int sizex,int sizey,
2113         double x1,double y1,
2114         double x2,double y2,
2115         double x3,double y3,
2116         double x4,double y4)
2117 {
2118     if(id<0) return;
2119     if(shapeid>=0)
2120      endshape();
2121     if(textid>=0)
2122      endtext();
2123
2124     drawimage(obj, id, sizex, sizey, x1,y1,x2,y2,x3,y3,x4,y4);
2125 }
2126