2 Implements generation of swf files using the rfxswf lib. The routines
3 in this file are called from pdf2swf.
5 This file is part of swftools.
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.
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.
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 */
24 #include "swfoutput.h"
27 #include "../lib/log.h"
28 #include "../lib/rfxswf.h"
30 #define standardEncodingSize 335
31 extern char *standardEncodingNames[standardEncodingSize];
34 int ignoredraworder=0;
37 int storeallcharacters=0;
39 static int flag_protected = 0;
41 typedef unsigned char u8;
42 typedef unsigned short int u16;
43 typedef unsigned long int u32;
46 static char* filename = 0;
49 static int currentswfid = 0;
51 static int startdepth = 1;
54 static int shapeid = -1;
55 static int textid = -1;
57 static int drawmode = -1;
58 static char storefont = 0;
59 static int fillstyleid;
60 static int linestyleid;
61 static int swflastx=0;
62 static int swflasty=0;
63 static int lastwasfill = 0;
75 char fillstylechanged = 0;
77 static void startshape(struct swfoutput* obj);
78 static void starttext(struct swfoutput* obj);
79 static void endshape();
80 static void endtext();
82 // matrix multiplication. changes p0
83 static void transform (plotxy*p0,struct swfmatrix*m)
86 x = m->m11*p0->x+m->m12*p0->y;
87 y = m->m21*p0->x+m->m22*p0->y;
92 // write a move-to command into the swf
93 static void moveto(TAG*tag, plotxy p0)
95 int rx = (int)(p0.x*20);
96 int ry = (int)(p0.y*20);
97 if(rx!=swflastx || ry!=swflasty || fillstylechanged) {
98 swf_ShapeSetMove (tag, shape, rx,ry);
105 // write a line-to command into the swf
106 static void lineto(TAG*tag, plotxy p0)
108 int rx = ((int)(p0.x*20)-swflastx);
109 int ry = ((int)(p0.y*20)-swflasty);
110 /* we can't skip this for rx=0,ry=0, those
112 swf_ShapeSetLine (tag, shape, rx,ry);
117 // write a spline-to command into the swf
118 static void splineto(TAG*tag, plotxy control,plotxy end)
120 int cx = ((int)(control.x*20)-swflastx);
121 int cy = ((int)(control.y*20)-swflasty);
124 int ex = ((int)(end.x*20)-swflastx);
125 int ey = ((int)(end.y*20)-swflasty);
128 if(cx || cy || ex || ey)
129 swf_ShapeSetCurve(tag, shape, cx,cy,ex,ey);
132 /* write a line, given two points and the transformation
134 static void line(TAG*tag, plotxy p0, plotxy p1, struct swfmatrix*m)
142 /* write a cubic (!) spline. This involves calling the approximate()
143 function out of spline.cc to convert it to a quadratic spline. */
144 static void spline(TAG*tag,plotxy p0,plotxy p1,plotxy p2,plotxy p3,struct swfmatrix*m)
147 struct qspline q[16];
155 num = approximate(p0,p1,p2,p3,q);
157 moveto(tag,q[t].start);
158 splineto(tag,q[t].control, q[t].end);
168 /* draw a T1 outline. These are generated by pdf2swf and by t1lib.
169 (representing characters) */
170 void drawpath(TAG*tag, T1_OUTLINE*outline, struct swfmatrix*m, int log)
172 if(tag->id != ST_DEFINEFONT &&
173 tag->id != ST_DEFINESHAPE &&
174 tag->id != ST_DEFINESHAPE2 &&
175 tag->id != ST_DEFINESHAPE3)
177 logf("<error> internal error: drawpath needs a shape tag, not %d\n",tag->id);
181 double lastx=0,lasty=0;
182 double firstx=0,firsty=0;
187 x += (outline->dest.x/(float)0xffff);
188 y += (outline->dest.y/(float)0xffff);
189 if(outline->type == T1_PATHTYPE_MOVE)
191 if(((int)(lastx*20) != (int)(firstx*20) ||
192 (int)(lasty*20) != (int)(firsty*20)) &&
201 if(log) printf("fix: %f,%f -> %f,%f\n",p0.x,p0.y,p1.x,p1.y);
202 line(tag, p0, p1, m);
208 else if(outline->type == T1_PATHTYPE_LINE)
216 if(log) printf("line: %f,%f -> %f,%f\n",p0.x,p0.y,p1.x,p1.y);
219 else if(outline->type == T1_PATHTYPE_BEZIER)
225 T1_BEZIERSEGMENT*o2 = (T1_BEZIERSEGMENT*)outline;
228 p1.x=o2->C.x/(float)0xffff+lastx;
229 p1.y=o2->C.y/(float)0xffff+lasty;
230 p2.x=o2->B.x/(float)0xffff+lastx;
231 p2.y=o2->B.y/(float)0xffff+lasty;
234 if(log) printf("spline: %f,%f -> %f,%f\n",p3.x,p3.y,p0.x,p0.y);
235 spline(tag,p0,p1,p2,p3,m);
238 logf("<error> drawpath: unknown outline type:%d\n", outline->type);
242 outline = outline->link;
244 if(((int)(lastx*20) != (int)(firstx*20) ||
245 (int)(lasty*20) != (int)(firsty*20)) &&
254 if(log) printf("fix: %f,%f -> %f,%f\n",p0.x,p0.y,p1.x,p1.y);
255 line(tag, p0, p1, m);
259 static inline int colorcompare(RGBA*a,RGBA*b)
271 static const int CHARDATAMAX = 1024;
279 } chardata[CHARDATAMAX];
282 static void putcharacters(TAG*tag)
287 color.r = chardata[0].color.r^255;
296 int charadvance[128];
299 int glyphbits=1; //TODO: can this be zero?
302 if(tag->id != ST_DEFINETEXT &&
303 tag->id != ST_DEFINETEXT2) {
304 logf("<error> internal error: putcharacters needs an text tag, not %d\n",tag->id);
308 logf("<warning> putcharacters called with zero characters");
311 for(pass = 0; pass < 2; pass++)
321 advancebits++; // add sign bit
322 swf_SetU8(tag, glyphbits);
323 swf_SetU8(tag, advancebits);
326 for(t=0;t<=chardatapos;t++)
328 if(lastfontid != chardata[t].fontid ||
329 lastx!=chardata[t].x ||
330 lasty!=chardata[t].y ||
331 !colorcompare(&color, &chardata[t].color) ||
333 lastsize != chardata[t].size ||
336 if(charstorepos && pass==0)
339 for(s=0;s<charstorepos;s++)
341 while(charids[s]>=(1<<glyphbits))
343 while(charadvance[s]>=(1<<advancebits))
347 if(charstorepos && pass==1)
349 tag->writeBit = 0; // Q&D
350 swf_SetBits(tag, 0, 1); // GLYPH Record
351 swf_SetBits(tag, charstorepos, 7); // number of glyphs
353 for(s=0;s<charstorepos;s++)
355 swf_SetBits(tag, charids[s], glyphbits);
356 swf_SetBits(tag, charadvance[s], advancebits);
361 if(pass == 1 && t<chardatapos)
367 if(lastx != chardata[t].x ||
368 lasty != chardata[t].y)
373 if(!colorcompare(&color, &chardata[t].color))
375 color = chardata[t].color;
378 font.id = chardata[t].fontid;
379 if(lastfontid != chardata[t].fontid || lastsize != chardata[t].size)
382 tag->writeBit = 0; // Q&D
383 swf_TextSetInfoRecord(tag, newfont, chardata[t].size, newcolor, newx,newy);
386 lastfontid = chardata[t].fontid;
387 lastx = chardata[t].x;
388 lasty = chardata[t].y;
389 lastsize = chardata[t].size;
396 int nextt = t==chardatapos-1?t:t+1;
397 int rel = chardata[nextt].x-chardata[t].x;
398 if(rel>=0 && (rel<(1<<(advancebits-1)) || pass==0)) {
400 lastx=chardata[nextt].x;
406 charids[charstorepos] = chardata[t].charid;
407 charadvance[charstorepos] = advance;
414 static void putcharacter(struct swfoutput*obj, int fontid, int charid,
415 int x,int y, int size)
417 if(chardatapos == CHARDATAMAX)
422 chardata[chardatapos].fontid = fontid;
423 chardata[chardatapos].charid = charid;
424 chardata[chardatapos].x = x;
425 chardata[chardatapos].y = y;
426 chardata[chardatapos].color = obj->fillrgb;
427 chardata[chardatapos].size = size;
432 /* process a character. */
433 static void drawchar(struct swfoutput*obj, SWFFont*font, char*character, int charnr, swfmatrix*m)
436 if(m->m12!=0 || m->m21!=0)
441 if(usefonts && ! drawonlyshapes)
443 int charid = font->getSWFCharID(character, charnr);
448 putcharacter(obj, font->swfid, charid,(int)(m->m13*20),(int)(m->m23*20),
449 (int)(m->m11*20/2+0.5)); //where does the /2 come from?
453 T1_OUTLINE*outline = font->getOutline(character);
454 char* charname = character;
457 logf("<warning> Didn't find %s in current charset (%s)",
458 FIXNULL(character),FIXNULL(font->getName()));
474 swf_ShapeSetStyle(tag,shape,0x8000,fillstyleid,0);
475 fillstylechanged = 1;
481 drawpath(tag, outline, &m2, 0);
486 /* draw a curved polygon. */
487 void swfoutput_drawpath(swfoutput*output, T1_OUTLINE*outline,
493 /* Multiple polygons in one shape don't overlap correctly,
494 so we better start a new shape here if the polygon is filled
496 if(shapeid>=0 && fill && !ignoredraworder) {
503 if(lastwasfill && !fill)
505 swf_ShapeSetStyle(tag,shape,linestyleid,0x8000,0);
506 fillstylechanged = 1;
509 if(!lastwasfill && fill)
511 swf_ShapeSetStyle(tag,shape,0x8000,fillstyleid,0);
512 fillstylechanged = 1;
516 drawpath(tag, outline,m, 0);
519 /* SWFFont: copy all t1 font outlines to a local
521 SWFFont::SWFFont(char*name, int id, char*filename)
523 if(!T1_GetFontName(id))
526 this->name = strdup(T1_GetFontFileName(id));
527 this->fontid = strdup(name);
530 char**a= T1_GetAllCharNames(id);
541 logf("<verbose> Font %s(%d): Storing %d outlines.\n", FIXNULL(name), id, charnum);
543 this->standardtablesize = 256;
544 if(this->charnum < this->standardtablesize)
545 this->standardtablesize = this->charnum;
546 this->standardtable = (char**)malloc(standardtablesize*sizeof(char*));
548 for(t = 0; t < this->standardtablesize; t++) {
549 char*name = T1_GetCharName(id,t);
552 standardtable[t] = strdup(name);
555 outline = (T1_OUTLINE**)malloc(charnum*sizeof(T1_OUTLINE*));
556 charname = (char**)malloc(charnum*sizeof(char*));
557 width = (int*)malloc(charnum*sizeof(int));
558 memset(width, 0, charnum*sizeof(int));
559 memset(charname, 0, charnum*sizeof(char*));
560 used = (char*)malloc(charnum*sizeof(char));
561 char2swfcharid = (U16*)malloc(charnum*2);
562 swfcharid2char = (U16*)malloc(charnum*2);
565 memset(used,0,charnum*sizeof(char));
567 this->swfid = ++currentswfid;
580 int ret = T1_ReencodeFont(id, map);
584 int ret = T1_ReencodeFont(id, map);
586 fprintf(stderr,"Can't reencode font: (%s) ret:%d\n",filename, ret);
592 char* name = T1_GetCharName(id, s);
594 this->outline[outlinepos] = T1_CopyOutline(T1_GetCharOutline(id, s, 100.0, 0));
595 this->width[outlinepos] = T1_GetCharWidth(id, s);
596 this->charname[outlinepos] = strdup(name);
604 /* free all tables, write out definefont tags */
610 if(storeallcharacters)
613 for(t=0;t<this->charnum;t++)
615 if(this->charname[t])
616 getSWFCharID(this->charname[t], -1);
620 ptr = (int*)malloc(swfcharpos*sizeof(int));
622 for(t=0;t<charnum;t++)
623 if(used[t]) usednum++;
625 if(usednum && !drawonlyshapes)
627 logf("<verbose> Font %s has %d used characters",FIXNULL(fontid), usednum);
628 TAG*ftag = swf_InsertTag(swf.firstTag,ST_DEFINEFONT);
629 swf_SetU16(ftag, this->swfid);
630 int initpos = swf_GetTagLen(ftag);
637 for(t=0;t<swfcharpos;t++)
639 ptr[t] = swf_GetTagLen(ftag);
640 swf_SetU16(ftag, 0x1234);
642 for(t=0;t<swfcharpos;t++)
644 *(U16*)&ftag->data[ptr[t]] =
645 SWAP16(swf_GetTagLen(ftag)-initpos);
649 swf_SetU8(ftag,0x10); //0 fill bits, 0 linestyle bits
653 swf_ShapeSetStyle(ftag,&s,0,1,0);
654 fillstylechanged = 1;
658 drawpath(ftag, outline[swfcharid2char[t]],&m, 0);
661 swf_ShapeSetEnd(ftag);
663 ftag = swf_InsertTag(ftag,ST_DEFINEFONTINFO);
664 swf_SetU16(ftag, this->swfid);
666 swf_SetU8(ftag, strlen(this->fontid));
667 swf_SetBlock(ftag, (U8*)this->fontid, strlen(this->fontid));
671 swf_SetU8(ftag, 0); //flags
672 for(t=0;t<swfcharpos;t++)
675 char * name = this->charname[this->swfcharid2char[t]];
677 if(standardEncodingNames[s] &&
678 !strcmp(name,standardEncodingNames[s]))
681 swf_SetU8(ftag, (U8)s);
687 for(t=0;t<charnum;t++)
689 for(t=0;t<standardtablesize;t++)
690 if(standardtable[t]) {
691 free(standardtable[t]);
697 free(swfcharid2char);
698 free(char2swfcharid);
701 T1_OUTLINE*SWFFont::getOutline(char*name)
704 for(t=0;t<this->charnum;t++) {
705 if(!strcmp(this->charname[t],name)) {
708 swfcharid2char[swfcharpos] = t;
709 char2swfcharid[t] = swfcharpos;
719 int SWFFont::getWidth(char*name)
722 for(t=0;t<this->charnum;t++) {
723 if(!strcmp(this->charname[t],name)) {
724 return this->width[t];
730 int SWFFont::getSWFCharID(char*name, int charnr)
733 for(t=0;t<this->charnum;t++) {
734 if(!strcmp(this->charname[t],name)) {
737 swfcharid2char[swfcharpos] = t;
738 char2swfcharid[t] = swfcharpos++;
741 return char2swfcharid[t];
744 if(this->standardtable && charnr>=0 && charnr < this->standardtablesize) {
745 return getSWFCharID(this->standardtable[charnr], -1);
747 logf("<warning> Didn't find character '%s' in font '%s'", FIXNULL(name), this->name);
751 char*SWFFont::getName()
762 /* set's the t1 font index of the font to use for swfoutput_drawchar(). */
763 void swfoutput_setfont(struct swfoutput*obj, char*fontid, int t1id, char*filename)
765 fontlist_t*last=0,*iterator;
766 if(obj->font && !strcmp(obj->font->fontid,fontid))
771 if(!strcmp(iterator->font->fontid,fontid))
774 iterator = iterator->next;
778 obj->font = iterator->font;
783 logf("<error> internal error: t1id:%d, fontid:%s\n", t1id,FIXNULL(fontid));
786 SWFFont*font = new SWFFont(fontid, t1id, filename);
787 iterator = new fontlist_t;
788 iterator->font = font;
792 last->next = iterator;
798 int swfoutput_queryfont(struct swfoutput*obj, char*fontid)
800 fontlist_t *iterator = fontlist;
802 if(!strcmp(iterator->font->fontid,fontid))
804 iterator = iterator->next;
809 /* set's the matrix which is to be applied to characters drawn by
810 swfoutput_drawchar() */
811 void swfoutput_setfontmatrix(struct swfoutput*obj,double m11,double m12,
812 double m21,double m22)
814 if(obj->fontm11 == m11 &&
815 obj->fontm12 == m12 &&
816 obj->fontm21 == m21 &&
827 /* draws a character at x,y. */
828 void swfoutput_drawchar(struct swfoutput* obj,double x,double y,char*character, int charnr)
831 m.m11 = obj->fontm11;
832 m.m12 = obj->fontm12;
833 m.m21 = obj->fontm21;
834 m.m22 = obj->fontm22;
837 drawchar(obj, obj->font, character, charnr, &m);
840 /* initialize the swf writer */
841 void swfoutput_init(struct swfoutput* obj, char*_filename, int _sizex, int _sizey)
846 memset(obj, 0, sizeof(struct swfoutput));
847 filename = _filename;
851 logf("<verbose> initializing swf output for size %d*%d\n", sizex,sizey);
855 memset(&swf,0x00,sizeof(SWF));
858 swf.frameRate = 0x0040; // 1 frame per 4 seconds
859 swf.movieSize.xmax = 20*sizex;
860 swf.movieSize.ymax = 20*sizey;
862 swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
867 swf_SetRGB(tag,&rgb);
868 if(flag_protected) // good practice! /r
869 tag = swf_InsertTag(tag, ST_PROTECT);
874 void swfoutput_setprotected() //write PROTECT tag
879 static void startshape(struct swfoutput*obj)
887 tag = swf_InsertTag(tag,ST_DEFINESHAPE);
889 swf_ShapeNew(&shape);
890 linestyleid = swf_ShapeAddLineStyle(shape,obj->linewidth,&obj->strokergb);
891 rgb.r = obj->fillrgb.r;
892 rgb.g = obj->fillrgb.g;
893 rgb.b = obj->fillrgb.b;
894 fillstyleid = swf_ShapeAddSolidFillStyle(shape,&obj->fillrgb);
896 shapeid = ++currentswfid;
897 swf_SetU16(tag,shapeid); // ID
906 swf_SetShapeStyles(tag,shape);
907 swf_ShapeCountBits(shape,NULL,NULL);
908 swf_SetShapeBits(tag,shape);
910 swf_ShapeSetAll(tag,shape,/*x*/0,/*y*/0,linestyleid,0,0);
915 static void starttext(struct swfoutput*obj)
921 tag = swf_InsertTag(tag,ST_DEFINETEXT);
922 textid = ++currentswfid;
923 swf_SetU16(tag, textid);
939 swf_SetMatrix(tag,&m);
943 static void endshape()
947 swf_ShapeSetEnd(tag);
948 tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
949 swf_ObjectPlace(tag,shapeid,/*depth*/depth++,NULL,NULL,NULL);
953 static void endtext()
959 tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
960 swf_ObjectPlace(tag,textid,/*depth*/depth++,NULL,NULL,NULL);
964 static void endpage(struct swfoutput*obj)
971 swfoutput_endclip(obj);
972 tag = swf_InsertTag(tag,ST_SHOWFRAME);
975 void swfoutput_newpage(struct swfoutput*obj)
979 for(depth--;depth>=startdepth;depth--) {
980 tag = swf_InsertTag(tag,ST_REMOVEOBJECT2);
981 swf_SetU16(tag,depth);
988 /* "destroy" like in (oo-terminology) "destructor". Perform cleaning
989 up, complete the swf, and write it out. */
990 void swfoutput_destroy(struct swfoutput* obj)
993 fontlist_t *tmp,*iterator = fontlist;
995 delete iterator->font;
998 iterator = iterator->next;
1006 fi = open(filename, O_CREAT|O_TRUNC|O_WRONLY, 0777);
1011 logf("<fatal> Could not create \"%s\". ", FIXNULL(filename));
1015 tag = swf_InsertTag(tag,ST_END);
1018 if FAILED(swf_WriteSWC(fi,&swf))
1019 logf("<error> WriteSWC() failed.\n");
1021 if FAILED(swf_WriteSWF(fi,&swf))
1022 logf("<error> WriteSWF() failed.\n");
1027 logf("<notice> SWF written\n");
1030 void swfoutput_setdrawmode(swfoutput* obj, int mode)
1033 if(mode == DRAWMODE_FILL)
1035 else if(mode == DRAWMODE_EOFILL)
1037 else if(mode == DRAWMODE_STROKE)
1039 else if(mode == DRAWMODE_CLIP)
1041 else if(mode == DRAWMODE_EOCLIP)
1045 void swfoutput_setfillcolor(swfoutput* obj, u8 r, u8 g, u8 b, u8 a)
1047 if(obj->fillrgb.r == r &&
1048 obj->fillrgb.g == g &&
1049 obj->fillrgb.b == b &&
1050 obj->fillrgb.a == a) return;
1060 void swfoutput_setstrokecolor(swfoutput* obj, u8 r, u8 g, u8 b, u8 a)
1062 if(obj->strokergb.r == r &&
1063 obj->strokergb.g == g &&
1064 obj->strokergb.b == b &&
1065 obj->strokergb.a == a) return;
1069 obj->strokergb.r = r;
1070 obj->strokergb.g = g;
1071 obj->strokergb.b = b;
1072 obj->strokergb.a = a;
1075 void swfoutput_setlinewidth(struct swfoutput*obj, double linewidth)
1077 if(obj->linewidth == (u16)(linewidth*20))
1082 obj->linewidth = (u16)(linewidth*20);
1086 void swfoutput_startclip(swfoutput*obj, T1_OUTLINE*outline, struct swfmatrix*m)
1095 logf("<warning> Too many clip levels.");
1100 int olddrawmode = drawmode;
1101 swfoutput_setdrawmode(obj, DRAWMODE_CLIP);
1102 swfoutput_drawpath(obj, outline, m);
1103 swf_ShapeSetEnd(tag);
1104 swfoutput_setdrawmode(obj, olddrawmode);
1106 tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
1107 cliptags[clippos] = tag;
1108 clipshapes[clippos] = shapeid;
1109 clipdepths[clippos] = depth++;
1114 void swfoutput_endclip(swfoutput*obj)
1122 logf("<error> Invalid end of clipping region");
1126 swf_ObjectPlaceClip(cliptags[clippos],clipshapes[clippos],clipdepths[clippos],NULL,NULL,NULL,depth++);
1129 static void drawlink(struct swfoutput*obj, ActionTAG*,ActionTAG*, swfcoord*points, char mouseover);
1131 void swfoutput_linktourl(struct swfoutput*obj, char*url, swfcoord*points)
1141 actions = action_GetUrl(0, url, "_parent");
1143 actions = action_GetUrl(0, url, "_this");
1144 actions = action_End(actions);
1146 drawlink(obj, actions, 0, points,0);
1148 void swfoutput_linktopage(struct swfoutput*obj, int page, swfcoord*points)
1157 actions = action_GotoFrame(0, page);
1158 actions = action_End(actions);
1160 drawlink(obj, actions, 0, points,0);
1162 void swfoutput_namedlink(struct swfoutput*obj, char*name, swfcoord*points)
1164 ActionTAG *actions1,*actions2;
1171 actions1 = action_PushString(0, "/:subtitle");
1172 actions1 = action_PushString(actions1, name);
1173 actions1 = action_SetVariable(actions1);
1174 actions1 = action_End(actions1);
1176 actions2 = action_PushString(0, "/:subtitle");
1177 actions2 = action_PushString(actions2, "");
1178 actions2 = action_SetVariable(actions2);
1179 actions2 = action_End(actions2);
1181 drawlink(obj, actions1, actions2, points,1);
1183 swf_ActionFree(actions1);
1184 swf_ActionFree(actions2);
1187 static void drawlink(struct swfoutput*obj, ActionTAG*actions1, ActionTAG*actions2, swfcoord*points, char mouseover)
1193 struct plotxy p1,p2,p3,p4;
1197 double xmax=xmin=points[0].x,ymax=ymin=points[0].y;
1201 int buttonid = ++currentswfid;
1204 if(points[t].x>xmax) xmax=points[t].x;
1205 if(points[t].y>ymax) ymax=points[t].y;
1206 if(points[t].x<xmin) xmin=points[t].x;
1207 if(points[t].y<ymin) ymin=points[t].y;
1210 p1.x=points[0].x; p1.y=points[0].y; p2.x=points[1].x; p2.y=points[1].y;
1211 p3.x=points[2].x; p3.y=points[2].y; p4.x=points[3].x; p4.y=points[3].y;
1213 /* the following code subtracts the upper left edge from all coordinates,
1214 and set's posx,posy so that ST_PLACEOBJECT is used with a matrix.
1215 Necessary for preprocessing with swfcombine. */
1216 posx = xmin; posy = ymin;
1217 p1.x-=posx;p2.x-=posx;p3.x-=posx;p4.x-=posx;
1218 p1.y-=posy;p2.y-=posy;p3.y-=posy;p4.y-=posy;
1219 xmin -= posx; ymin -= posy;
1220 xmax -= posx; ymax -= posy;
1223 myshapeid = ++currentswfid;
1224 tag = swf_InsertTag(tag,ST_DEFINESHAPE3);
1225 swf_ShapeNew(&shape);
1226 rgb.r = rgb.b = rgb.a = rgb.g = 0;
1227 fsid = swf_ShapeAddSolidFillStyle(shape,&rgb);
1228 swf_SetU16(tag, myshapeid);
1229 r.xmin = (int)(xmin*20);
1230 r.ymin = (int)(ymin*20);
1231 r.xmax = (int)(xmax*20);
1232 r.ymax = (int)(ymax*20);
1233 swf_SetRect(tag,&r);
1234 swf_SetShapeStyles(tag,shape);
1235 swf_ShapeCountBits(shape,NULL,NULL);
1236 swf_SetShapeBits(tag,shape);
1237 swf_ShapeSetAll(tag,shape,/*x*/0,/*y*/0,0,fsid,0);
1238 swflastx = swflasty = 0;
1244 swf_ShapeSetEnd(tag);
1247 myshapeid2 = ++currentswfid;
1248 tag = swf_InsertTag(tag,ST_DEFINESHAPE3);
1249 swf_ShapeNew(&shape);
1250 rgb.r = rgb.b = rgb.a = rgb.g = 255;
1252 fsid = swf_ShapeAddSolidFillStyle(shape,&rgb);
1253 swf_SetU16(tag, myshapeid2);
1254 r.xmin = (int)(xmin*20);
1255 r.ymin = (int)(ymin*20);
1256 r.xmax = (int)(xmax*20);
1257 r.ymax = (int)(ymax*20);
1258 swf_SetRect(tag,&r);
1259 swf_SetShapeStyles(tag,shape);
1260 swf_ShapeCountBits(shape,NULL,NULL);
1261 swf_SetShapeBits(tag,shape);
1262 swf_ShapeSetAll(tag,shape,/*x*/0,/*y*/0,0,fsid,0);
1263 swflastx = swflasty = 0;
1269 swf_ShapeSetEnd(tag);
1273 tag = swf_InsertTag(tag,ST_DEFINEBUTTON);
1274 swf_SetU16(tag,buttonid); //id
1275 swf_ButtonSetFlags(tag, 0); //menu=no
1276 swf_ButtonSetRecord(tag,0x01,myshapeid,depth,0,0);
1277 swf_ButtonSetRecord(tag,0x02,myshapeid2,depth,0,0);
1278 swf_ButtonSetRecord(tag,0x04,myshapeid2,depth,0,0);
1279 swf_ButtonSetRecord(tag,0x08,myshapeid,depth,0,0);
1281 swf_ActionSet(tag,actions1);
1286 tag = swf_InsertTag(tag,ST_DEFINEBUTTON2);
1287 swf_SetU16(tag,buttonid); //id
1288 swf_ButtonSetFlags(tag, 0); //menu=no
1289 swf_ButtonSetRecord(tag,0x01,myshapeid,depth,0,0);
1290 swf_ButtonSetRecord(tag,0x02,myshapeid2,depth,0,0);
1291 swf_ButtonSetRecord(tag,0x04,myshapeid2,depth,0,0);
1292 swf_ButtonSetRecord(tag,0x08,myshapeid,depth,0,0);
1293 swf_SetU8(tag,0); // end of button records
1294 swf_ButtonSetCondition(tag, BC_IDLE_OVERUP);
1295 swf_ActionSet(tag,actions1);
1297 swf_ButtonSetCondition(tag, BC_OVERUP_IDLE);
1298 swf_ActionSet(tag,actions2);
1300 swf_ButtonPostProcess(tag, 2);
1303 swf_ButtonPostProcess(tag, 1);
1307 tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
1309 if(posx!=0 || posy!=0) {
1311 swf_GetMatrix(0,&m);
1312 m.tx = (int)(posx*20);
1313 m.ty = (int)(posy*20);
1314 swf_ObjectPlace(tag, buttonid, depth++,&m,0,0);
1317 swf_ObjectPlace(tag, buttonid, depth++,0,0,0);
1321 static void drawimage(struct swfoutput*obj, int bitid, int sizex,int sizey,
1322 double x1,double y1,
1323 double x2,double y2,
1324 double x3,double y3,
1325 double x4,double y4)
1331 struct plotxy p1,p2,p3,p4;
1333 double xmax=x1,ymax=y1,xmin=x1,ymin=y1;
1334 if(x2>xmax) xmax=x2;
1335 if(y2>ymax) ymax=y2;
1336 if(x2<xmin) xmin=x2;
1337 if(y2<ymin) ymin=y2;
1338 if(x3>xmax) xmax=x3;
1339 if(y3>ymax) ymax=y3;
1340 if(x3<xmin) xmin=x3;
1341 if(y3<ymin) ymin=y3;
1342 if(x4>xmax) xmax=x4;
1343 if(y4>ymax) ymax=y4;
1344 if(x4<xmin) xmin=x4;
1345 if(y4<ymin) ymin=y4;
1356 m.sx = (int)(65536*20*(x4-x1))/sizex;
1357 m.r1 = -(int)(65536*20*(y4-y1))/sizex;
1358 m.r0 = (int)(65536*20*(x1-x2))/sizey;
1359 m.sy = -(int)(65536*20*(y1-y2))/sizey;
1361 m.tx = (int)(x1*20);
1362 m.ty = (int)(y1*20);
1365 myshapeid = ++currentswfid;
1366 tag = swf_InsertTag(tag,ST_DEFINESHAPE);
1367 swf_ShapeNew(&shape);
1368 //lsid = ShapeAddLineStyle(shape,obj->linewidth,&obj->strokergb);
1369 //fsid = ShapeAddSolidFillStyle(shape,&obj->fillrgb);
1370 fsid = swf_ShapeAddBitmapFillStyle(shape,&m,bitid,0);
1371 swf_SetU16(tag, myshapeid);
1372 r.xmin = (int)(xmin*20);
1373 r.ymin = (int)(ymin*20);
1374 r.xmax = (int)(xmax*20);
1375 r.ymax = (int)(ymax*20);
1376 swf_SetRect(tag,&r);
1377 swf_SetShapeStyles(tag,shape);
1378 swf_ShapeCountBits(shape,NULL,NULL);
1379 swf_SetShapeBits(tag,shape);
1380 swf_ShapeSetAll(tag,shape,/*x*/0,/*y*/0,lsid,fsid,0);
1381 swflastx = swflasty = 0;
1388 ShapeMoveTo (tag, shape, (int)(x1*20),(int)(y1*20));
1389 ShapeSetLine (tag, shape, (int)(x1*20);
1390 ShapeSetLine (tag, shape, x*20,0);
1391 ShapeSetLine (tag, shape, 0,-y*20);
1392 ShapeSetLine (tag, shape, -x*20,0);*/
1393 swf_ShapeSetEnd(tag);
1396 tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
1397 swf_ObjectPlace(tag,myshapeid,/*depth*/depth++,NULL,NULL,NULL);
1400 int swfoutput_drawimagejpeg_old(struct swfoutput*obj, char*filename, int sizex,int sizey,
1401 double x1,double y1,
1402 double x2,double y2,
1403 double x3,double y3,
1404 double x4,double y4)
1412 int bitid = ++currentswfid;
1414 tag = swf_InsertTag(tag,ST_DEFINEBITSJPEG2);
1415 swf_SetU16(tag, bitid);
1416 if(swf_SetJPEGBits(tag, filename, jpegquality)<0) {
1422 drawimage(obj, bitid, sizex, sizey, x1,y1,x2,y2,x3,y3,x4,y4);
1426 int swfoutput_drawimagejpeg(struct swfoutput*obj, RGBA*mem, int sizex,int sizey,
1427 double x1,double y1,
1428 double x2,double y2,
1429 double x3,double y3,
1430 double x4,double y4)
1440 int bitid = ++currentswfid;
1442 tag = swf_InsertTag(tag,ST_DEFINEBITSJPEG2);
1443 swf_SetU16(tag, bitid);
1444 swf_SetJPEGBits2(tag,sizex,sizey,mem,jpegquality);
1445 drawimage(obj, bitid, sizex, sizey, x1,y1,x2,y2,x3,y3,x4,y4);
1449 int swfoutput_drawimagelossless(struct swfoutput*obj, RGBA*mem, int sizex,int sizey,
1450 double x1,double y1,
1451 double x2,double y2,
1452 double x3,double y3,
1453 double x4,double y4)
1461 int bitid = ++currentswfid;
1463 tag = swf_InsertTag(tag,ST_DEFINEBITSLOSSLESS);
1464 swf_SetU16(tag, bitid);
1465 if(swf_SetLosslessBits(tag,sizex,sizey,mem, BMF_32BIT)<0) {
1471 drawimage(obj, bitid, sizex, sizey, x1,y1,x2,y2,x3,y3,x4,y4);
1475 int swfoutput_drawimagelossless256(struct swfoutput*obj, U8*mem, RGBA*pal, int sizex,int sizey,
1476 double x1,double y1,
1477 double x2,double y2,
1478 double x3,double y3,
1479 double x4,double y4)
1490 /* SWF expects scanlines to be 4 byte aligned */
1493 mem2 = (U8*)malloc(BYTES_PER_SCANLINE(sizex)*sizey);
1495 for(y=0;y<sizey;y++)
1497 for(x=0;x<sizex;x++)
1498 *ptr++ = mem[y*sizex+x];
1499 ptr+= BYTES_PER_SCANLINE(sizex)-sizex;
1504 int bitid = ++currentswfid;
1506 tag = swf_InsertTag(tag,ST_DEFINEBITSLOSSLESS2);
1507 swf_SetU16(tag, bitid);
1508 if(swf_SetLosslessBitsIndexed(tag,sizex,sizey,mem, pal, 256)<0) {
1516 drawimage(obj, bitid, sizex, sizey, x1,y1,x2,y2,x3,y3,x4,y4);
1520 void swfoutput_drawimageagain(struct swfoutput*obj, int id, int sizex,int sizey,
1521 double x1,double y1,
1522 double x2,double y2,
1523 double x3,double y3,
1524 double x4,double y4)
1532 drawimage(obj, id, sizex, sizey, x1,y1,x2,y2,x3,y3,x4,y4);