3 Part of the swftools package.
5 Copyright (c) 2001,2002,2003,2004,2005 Matthias Kramm <kramm@quiss.org>
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 "../../config.h"
40 #include "../rfxswf.h"
41 #include "../gfxdevice.h"
42 #include "../gfxtools.h"
44 #include "../gfxpoly.h"
47 #define CHARDATAMAX 8192
51 typedef struct _chardata {
53 int fontid; /* TODO: use a SWFFONT instead */
60 typedef struct _fontlist
63 struct _fontlist*next;
66 typedef long int twip;
68 typedef struct _swfmatrix {
69 double m11,m12,m21,m22,m31,m32;
72 typedef struct _swfoutput_internal
74 gfxdevice_t*dev; // the gfxdevice object where this internal struct resides
76 double config_dumpfonts;
77 double config_ppmsubpixels;
78 double config_jpegsubpixels;
81 int config_simpleviewer;
82 int config_opennewwindow;
83 int config_ignoredraworder;
84 int config_drawonlyshapes;
85 int config_frameresets;
86 int config_linknameurl;
87 int config_jpegquality;
88 int config_storeallcharacters;
89 int config_enablezlib;
90 int config_insertstoptag;
92 int config_flashversion;
93 int config_reordertags;
94 int config_showclipshapes;
95 int config_splinemaxerror;
96 int config_fontsplinemaxerror;
97 int config_filloverlap;
100 int config_disable_polygon_conversion;
101 int config_normalize_polygon_positions;
102 char config_disablelinks;
103 RGBA config_linkcolor;
104 float config_minlinewidth;
105 double config_caplinewidth;
106 char* config_linktarget;
107 char*config_internallinkfunction;
108 char*config_externallinkfunction;
110 double config_framerate;
114 fontlist_t* fontlist;
153 int pic_height[1024];
160 char fillstylechanged;
162 int jpeg; //next image type
169 chardata_t chardata[CHARDATAMAX];
176 int current_font_size;
178 double lastfontm11,lastfontm12,lastfontm21,lastfontm22;
189 } swfoutput_internal;
191 static void swf_fillbitmap(gfxdevice_t*driver, gfxline_t*line, gfximage_t*img, gfxmatrix_t*move, gfxcxform_t*cxform);
192 static int swf_setparameter(gfxdevice_t*driver, const char*key, const char*value);
193 static void swf_drawstroke(gfxdevice_t*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit);
194 static void swf_startclip(gfxdevice_t*dev, gfxline_t*line);
195 static void swf_endclip(gfxdevice_t*dev);
196 static void swf_stroke(gfxdevice_t*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit);
197 static void swf_fill(gfxdevice_t*dev, gfxline_t*line, gfxcolor_t*color);
198 static void swf_fillbitmap(gfxdevice_t*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform);
199 static void swf_fillgradient(gfxdevice_t*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix);
200 static void swf_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyph, gfxcolor_t*color, gfxmatrix_t*matrix);
201 static void swf_addfont(gfxdevice_t*dev, gfxfont_t*font);
202 static void swf_drawlink(gfxdevice_t*dev, gfxline_t*line, const char*action);
203 static void swf_startframe(gfxdevice_t*dev, int width, int height);
204 static void swf_endframe(gfxdevice_t*dev);
205 static gfxresult_t* swf_finish(gfxdevice_t*driver);
207 static swfoutput_internal* init_internal_struct()
209 swfoutput_internal*i = (swfoutput_internal*)malloc(sizeof(swfoutput_internal));
210 memset(i, 0, sizeof(swfoutput_internal));
234 i->fillstylechanged = 0;
241 i->config_disablelinks=0;
242 i->config_dumpfonts=0;
243 i->config_ppmsubpixels=0;
244 i->config_jpegsubpixels=0;
245 i->config_opennewwindow=1;
246 i->config_ignoredraworder=0;
247 i->config_drawonlyshapes=0;
248 i->config_jpegquality=85;
249 i->config_storeallcharacters=0;
251 i->config_enablezlib=0;
252 i->config_insertstoptag=0;
253 i->config_flashversion=6;
254 i->config_framerate=0.25;
255 i->config_splinemaxerror=1;
256 i->config_fontsplinemaxerror=1;
257 i->config_filloverlap=0;
259 i->config_bboxvars=0;
260 i->config_showclipshapes=0;
261 i->config_minlinewidth=0.05;
262 i->config_caplinewidth=1;
263 i->config_linktarget=0;
264 i->config_internallinkfunction=0;
265 i->config_externallinkfunction=0;
266 i->config_reordertags=1;
267 i->config_linknameurl=0;
269 i->config_linkcolor.r = i->config_linkcolor.g = i->config_linkcolor.b = 255;
270 i->config_linkcolor.a = 0x40;
275 static int id_error = 0;
277 static U16 getNewID(gfxdevice_t* dev)
279 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
280 if(i->currentswfid == 65535) {
282 msg("<error> ID Table overflow");
283 msg("<error> This file is too complex to render- SWF only supports 65536 shapes at once");
289 return ++i->currentswfid;
291 static U16 getNewDepth(gfxdevice_t* dev)
293 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
294 if(i->depth == 65520) {
296 msg("<error> Depth Table overflow");
297 msg("<error> This file is too complex to render- SWF only supports 65536 shapes at once");
306 static void startshape(gfxdevice_t* dev);
307 static void starttext(gfxdevice_t* dev);
308 static void endshape(gfxdevice_t* dev);
309 static void endtext(gfxdevice_t* dev);
311 typedef struct _plotxy
316 // write a move-to command into the swf
317 static int movetoxy(gfxdevice_t*dev, TAG*tag, plotxy_t p0)
319 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
320 int rx = (int)(p0.x*20);
321 int ry = (int)(p0.y*20);
322 if(rx!=i->swflastx || ry!=i->swflasty || i->fillstylechanged) {
323 swf_ShapeSetMove (tag, i->shape, rx,ry);
324 i->fillstylechanged = 0;
331 static int moveto(gfxdevice_t*dev, TAG*tag, double x, double y)
333 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
337 return movetoxy(dev, tag, p);
339 static void addPointToBBox(gfxdevice_t*dev, int px, int py)
341 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
347 swf_ExpandRect(&i->bboxrect, p);
349 swf_ExpandRect3(&i->bboxrect, p, i->linewidth*3/2);
353 /*static void plot(gfxdevice_t*dev, int x, int y, TAG*tag)
355 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
356 int width = i->linewidth/4;
360 //swf_ShapeSetLine(tag, i->shape,-width,-width);
361 //swf_ShapeSetLine(tag, i->shape,width*2,0);
362 //swf_ShapeSetLine(tag, i->shape,0,width*2);
363 //swf_ShapeSetLine(tag, i->shape,-width*2,0);
364 //swf_ShapeSetLine(tag, i->shape,0,-width*2);
365 //swf_ShapeSetLine(tag, i->shape,width,width);
368 swf_ShapeSetLine(tag, i->shape,-width,0);
369 swf_ShapeSetLine(tag, i->shape,width,-width);
370 swf_ShapeSetLine(tag, i->shape,width,width);
371 swf_ShapeSetLine(tag, i->shape,-width,width);
372 swf_ShapeSetLine(tag, i->shape,-width,-width);
373 swf_ShapeSetLine(tag, i->shape,width,0);
375 addPointToBBox(dev, x-width ,y-width);
376 addPointToBBox(dev, x+width ,y+width);
379 // write a line-to command into the swf
380 static void linetoxy(gfxdevice_t*dev, TAG*tag, plotxy_t p0)
382 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
383 int px = (int)(p0.x*20);
384 int py = (int)(p0.y*20);
385 int rx = (px-i->swflastx);
386 int ry = (py-i->swflasty);
388 swf_ShapeSetLine (tag, i->shape, rx,ry);
389 addPointToBBox(dev, i->swflastx,i->swflasty);
390 addPointToBBox(dev, px,py);
391 } /* this is a nice idea, but doesn't work with current flash
392 players (the pixel will be invisible if they're not
393 precisely on a pixel boundary)
394 Besides, we should only do this if this lineto itself
395 is again followed by a "move".
396 else if(!i->fill && i->config_dots) {
397 // treat lines of length 0 as plots, making them
398 // at least 1 twip wide so Flash will display them
399 //plot(dev, i->swflastx, i->swflasty, tag);
400 swf_ShapeSetLine (tag, i->shape, rx+1,ry);
407 static void lineto(gfxdevice_t*dev, TAG*tag, double x, double y)
412 linetoxy(dev,tag, p);
415 // write a spline-to command into the swf
416 static void splineto(gfxdevice_t*dev, TAG*tag, plotxy_t control,plotxy_t end)
418 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
419 int lastlastx = i->swflastx;
420 int lastlasty = i->swflasty;
422 int cx = ((int)(control.x*20)-i->swflastx);
423 int cy = ((int)(control.y*20)-i->swflasty);
426 int ex = ((int)(end.x*20)-i->swflastx);
427 int ey = ((int)(end.y*20)-i->swflasty);
431 if((cx || cy) && (ex || ey)) {
432 swf_ShapeSetCurve(tag, i->shape, cx,cy,ex,ey);
433 addPointToBBox(dev, lastlastx ,lastlasty );
434 addPointToBBox(dev, lastlastx+cx,lastlasty+cy);
435 addPointToBBox(dev, lastlastx+cx+ex,lastlasty+cy+ey);
436 } else if(cx || cy || ex || ey) {
437 swf_ShapeSetLine(tag, i->shape, cx+ex,cy+ey);
438 addPointToBBox(dev, lastlastx ,lastlasty );
439 addPointToBBox(dev, lastlastx+cx,lastlasty+cy);
440 addPointToBBox(dev, lastlastx+cx+ex,lastlasty+cy+ey);
446 /* write a line, given two points and the transformation
448 /*static void line(gfxdevice_t*dev, TAG*tag, plotxy_t p0, plotxy_t p1)
450 moveto(dev, tag, p0);
451 lineto(dev, tag, p1);
454 void resetdrawer(gfxdevice_t*dev)
456 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
461 static void stopFill(gfxdevice_t*dev)
463 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
464 if(i->lastwasfill!=0)
466 swf_ShapeSetStyle(i->tag,i->shape,i->linestyleid,0x8000,0);
467 i->fillstylechanged = 1;
471 static void startFill(gfxdevice_t*dev)
473 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
474 if(i->lastwasfill!=1)
476 swf_ShapeSetStyle(i->tag,i->shape,0x8000,i->fillstyleid,0);
477 i->fillstylechanged = 1;
482 static inline int colorcompare(gfxdevice_t*dev, RGBA*a,RGBA*b)
494 static SRECT getcharacterbbox(gfxdevice_t*dev, SWFFONT*font, MATRIX* m)
496 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
499 memset(&r, 0, sizeof(r));
502 if(debug) printf("\n");
503 for(t=0;t<i->chardatapos;t++)
505 if(i->chardata[t].fontid != font->id) {
506 msg("<error> Internal error: fontid %d != fontid %d", i->chardata[t].fontid, font->id);
509 SRECT b = font->layout->bounds[i->chardata[t].charid];
510 b.xmin *= i->chardata[t].size;
511 b.ymin *= i->chardata[t].size;
512 b.xmax *= i->chardata[t].size;
513 b.ymax *= i->chardata[t].size;
515 /* divide by 1024, rounding xmax/ymax up */
516 b.xmax += 1023; b.ymax += 1023; b.xmin /= 1024; b.ymin /= 1024; b.xmax /= 1024; b.ymax /= 1024;
518 b.xmin += i->chardata[t].x;
519 b.ymin += i->chardata[t].y;
520 b.xmax += i->chardata[t].x;
521 b.ymax += i->chardata[t].y;
523 /* until we solve the INTERNAL_SCALING problem (see below)
524 make sure the bounding box is big enough */
530 b = swf_TurnRect(b, m);
532 if(debug) printf("(%f,%f,%f,%f) -> (%f,%f,%f,%f) [font %d/%d, char %d]\n",
533 font->layout->bounds[i->chardata[t].charid].xmin/20.0,
534 font->layout->bounds[i->chardata[t].charid].ymin/20.0,
535 font->layout->bounds[i->chardata[t].charid].xmax/20.0,
536 font->layout->bounds[i->chardata[t].charid].ymax/20.0,
541 i->chardata[t].fontid,
543 i->chardata[t].charid
545 swf_ExpandRect2(&r, &b);
547 if(debug) printf("-----> (%f,%f,%f,%f)\n",
555 static void putcharacters(gfxdevice_t*dev, TAG*tag)
557 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
561 color.r = i->chardata[0].color.r^255;
570 int charadvance[128];
573 int glyphbits=1; //TODO: can this be zero?
576 if(tag->id != ST_DEFINETEXT &&
577 tag->id != ST_DEFINETEXT2) {
578 msg("<error> internal error: putcharacters needs an text tag, not %d\n",tag->id);
581 if(!i->chardatapos) {
582 msg("<warning> putcharacters called with zero characters");
585 for(pass = 0; pass < 2; pass++)
595 advancebits++; // add sign bit
596 swf_SetU8(tag, glyphbits);
597 swf_SetU8(tag, advancebits);
600 for(t=0;t<=i->chardatapos;t++)
602 if(lastfontid != i->chardata[t].fontid ||
603 lastx!=i->chardata[t].x ||
604 lasty!=i->chardata[t].y ||
605 !colorcompare(dev,&color, &i->chardata[t].color) ||
607 lastsize != i->chardata[t].size ||
610 if(charstorepos && pass==0)
613 for(s=0;s<charstorepos;s++)
615 while(charids[s]>=(1<<glyphbits))
617 while(charadvance[s]>=(1<<advancebits))
621 if(charstorepos && pass==1)
623 tag->writeBit = 0; // Q&D
624 swf_SetBits(tag, 0, 1); // GLYPH Record
625 swf_SetBits(tag, charstorepos, 7); // number of glyphs
627 for(s=0;s<charstorepos;s++)
629 swf_SetBits(tag, charids[s], glyphbits);
630 swf_SetBits(tag, charadvance[s], advancebits);
635 if(pass == 1 && t<i->chardatapos)
641 if(lastx != i->chardata[t].x ||
642 lasty != i->chardata[t].y)
644 newx = i->chardata[t].x;
645 newy = i->chardata[t].y;
651 if(!colorcompare(dev,&color, &i->chardata[t].color))
653 color = i->chardata[t].color;
656 font.id = i->chardata[t].fontid;
657 if(lastfontid != i->chardata[t].fontid || lastsize != i->chardata[t].size)
660 tag->writeBit = 0; // Q&D
661 swf_TextSetInfoRecord(tag, newfont, i->chardata[t].size, newcolor, newx,newy);
664 lastfontid = i->chardata[t].fontid;
665 lastx = i->chardata[t].x;
666 lasty = i->chardata[t].y;
667 lastsize = i->chardata[t].size;
670 if(t==i->chardatapos)
674 int nextt = t==i->chardatapos-1?t:t+1;
675 int rel = i->chardata[nextt].x-i->chardata[t].x;
676 if(rel>=0 && (rel<(1<<(advancebits-1)) || pass==0)) {
678 lastx=i->chardata[nextt].x;
682 lastx=i->chardata[t].x;
684 charids[charstorepos] = i->chardata[t].charid;
685 charadvance[charstorepos] = advance;
692 static void putcharacter(gfxdevice_t*dev, int fontid, int charid, int x,int y, int size, RGBA color)
694 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
695 if(i->chardatapos == CHARDATAMAX)
697 msg("<warning> Character buffer too small. SWF will be slightly bigger");
701 i->chardata[i->chardatapos].fontid = fontid;
702 i->chardata[i->chardatapos].charid = charid;
703 i->chardata[i->chardatapos].x = x;
704 i->chardata[i->chardatapos].y = y;
705 i->chardata[i->chardatapos].color = color;
706 i->chardata[i->chardatapos].size = size;
710 /* Notice: we can only put chars in the range -1639,1638 (-32768/20,32768/20).
711 So if we set this value to high, the char coordinates will overflow.
712 If we set it to low, however, the char positions will be inaccurate */
713 #define GLYPH_SCALE 1
715 static void endtext(gfxdevice_t*dev)
717 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
721 i->tag = swf_InsertTag(i->tag,ST_DEFINETEXT2);
722 swf_SetU16(i->tag, i->textid);
725 r = getcharacterbbox(dev, i->swffont, &i->fontmatrix);
726 r = swf_ClipRect(i->pagebbox, r);
727 swf_SetRect(i->tag,&r);
729 swf_SetMatrix(i->tag,&i->fontmatrix);
731 msg("<trace> Placing text (%d characters) as ID %d", i->chardatapos, i->textid);
733 putcharacters(dev, i->tag);
736 if(i->swf->fileVersion >= 8) {
737 i->tag = swf_InsertTag(i->tag, ST_CSMTEXTSETTINGS);
738 swf_SetU16(i->tag, i->textid);
740 //swf_SetU8(i->tag, /*subpixel grid*/(2<<3)|/*flashtype*/0x40);
741 swf_SetU8(i->tag, /*grid*/(1<<3)|/*flashtype*/0x40);
742 //swf_SetU8(i->tag, /*no grid*/(0<<3)|/*flashtype*/0x40);
744 swf_SetU32(i->tag, 0);//thickness
745 swf_SetU32(i->tag, 0);//sharpness
746 swf_SetU8(i->tag, 0);//reserved
748 i->tag = swf_InsertTag(i->tag,ST_PLACEOBJECT2);
750 swf_ObjectPlace(i->tag,i->textid,getNewDepth(dev),&i->page_matrix,NULL,NULL);
754 /* set's the matrix which is to be applied to characters drawn by swfoutput_drawchar() */
755 static void setfontscale(gfxdevice_t*dev,double m11,double m12, double m21,double m22,double x, double y, char force)
761 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
762 if(i->lastfontm11 == m11 &&
763 i->lastfontm12 == m12 &&
764 i->lastfontm21 == m21 &&
765 i->lastfontm22 == m22 && !force)
770 i->lastfontm11 = m11;
771 i->lastfontm12 = m12;
772 i->lastfontm21 = m21;
773 i->lastfontm22 = m22;
775 double xsize = sqrt(m11*m11 + m12*m12);
776 double ysize = sqrt(m21*m21 + m22*m22);
777 i->current_font_size = (xsize>ysize?xsize:ysize)*1;
778 if(i->current_font_size < 1)
779 i->current_font_size = 1;
780 double ifs = 1.0 / (i->current_font_size*GLYPH_SCALE);
783 m.sx = (S32)((m11*ifs)*65536); m.r1 = (S32)((m21*ifs)*65536);
784 m.r0 = (S32)((m12*ifs)*65536); m.sy = (S32)((m22*ifs)*65536);
785 /* this is the position of the first char to set a new fontmatrix-
786 we hope that it's close enough to all other characters using the
787 font, so we use its position as origin for the matrix */
793 static int watermark2_width=47;
794 static int watermark2_height=11;
795 static int watermark2[47] = {95,1989,71,0,2015,337,1678,0,2015,5,1921,320,1938,25,2006,1024,
796 1042,21,13,960,1039,976,8,2000,1359,1088,31,1989,321,1728,0,1152,
797 1344,832,0,1984,0,896,1088,1088,896,0,1984,128,256,512,1984};
799 static void draw_watermark(gfxdevice_t*dev, gfxbbox_t r, char drawall)
801 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
802 double wx = r.xmax / 5.0;
803 double tx = r.xmax*4.0 / 5.0;
804 double ty = r.ymax-wx*watermark2_height/watermark2_width;
805 double sx = (r.xmax - tx) / watermark2_width;
806 double sy = (r.ymax - ty) / watermark2_height;
809 if(ty > 0 && px > 1.0 && py > 1.0) {
811 for(y=0;y<watermark2_height;y++)
812 for(x=0;x<watermark2_width;x++) {
813 if(((watermark2[x]>>y)&1)) {
814 if(!drawall && rand()%5)
816 unsigned int b = rand();
817 moveto(dev, i->tag, x*sx+tx+((b>>1)&1)/20.0, y*sy+ty+((b>>3)&1)/20.0);
818 lineto(dev, i->tag, x*sx+px+tx+((b>>2)&1)/20.0, y*sy+ty+((b>>3)&1)/20.0);
819 lineto(dev, i->tag, x*sx+px+tx+((b>>2)&1)/20.0, y*sy+py+ty+((b>>4)&1)/20.0);
820 lineto(dev, i->tag, x*sx+tx+((b>>1)&1)/20.0, y*sy+py+ty+((b>>4)&1)/20.0);
821 lineto(dev, i->tag, x*sx+tx+((b>>1)&1)/20.0, y*sy+ty+((b>>3)&1)/20.0);
827 static void swfoutput_setfillcolor(gfxdevice_t* dev, U8 r, U8 g, U8 b, U8 a)
829 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
830 if(i->fillrgb.r == r &&
833 i->fillrgb.a == a) return;
842 static void insert_watermark(gfxdevice_t*dev, char drawall)
844 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
845 if(!drawall && i->watermarks>20)
851 swfoutput_setfillcolor(dev, 0,0,255,192);
853 swfoutput_setfillcolor(dev, rand(),rand(),rand(),(rand()&127)+128);
858 gfxbbox_t r; r.xmin = r.ymin = 0;
861 draw_watermark(dev, r, drawall);
867 static void endpage(gfxdevice_t*dev)
869 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
880 if(i->config_watermark) {
881 insert_watermark(dev, 1);
887 static void addViewer(gfxdevice_t* dev)
889 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
892 RGBA button_colors[3]= {{0xbf,0x00,0x00,0x80},{0xbf,0x20,0x20,0xc0}, {0xbf,0xc0,0xc0,0xff}};
894 int button_sizex = 20;
895 int button_sizey = 20;
897 RGBA black = {255,0,0,0};
899 i->tag = swf_InsertTag(i->tag,ST_DEFINESHAPE3);
901 int ls1 = swf_ShapeAddLineStyle(s,40,&black);
902 int fs1 = swf_ShapeAddSolidFillStyle(s,&button_colors[t/2]);
903 int shapeid = ids[t] = getNewID(dev);
904 swf_SetU16(i->tag,shapeid);
906 r.xmin = -20*button_sizex;
907 r.xmax = 20*button_sizex;
909 r.ymax = 40*button_sizey;
910 swf_SetRect(i->tag,&r); // set shape bounds
911 swf_SetShapeHeader(i->tag,s); // write all styles to tag
912 swf_ShapeSetAll(i->tag,s,0*button_sizex,0,ls1,fs1,0);
913 swf_ShapeSetLine(i->tag,s,(1-(t&1)*2)*20*button_sizex,20*button_sizey);
914 swf_ShapeSetLine(i->tag,s,-(1-(t&1)*2)*20*button_sizex,20*button_sizey);
915 swf_ShapeSetLine(i->tag,s,0,-40*button_sizey);
916 swf_ShapeSetEnd(i->tag); // finish drawing
917 swf_ShapeFree(s); // clean shape structure (which isn't needed anymore after writing the tag)
919 ActionTAG*a1=0,*a2=0,*a3=0;
920 a1 = action_NextFrame(a1);
921 a1 = action_Stop(a1);
924 a2 = action_PreviousFrame(a2);
925 a2 = action_Stop(a2);
928 a3 = action_Stop(a3);
931 i->tag = swf_InsertTag(i->tag, ST_DOACTION);
932 swf_ActionSet(i->tag,a3);
934 i->tag = swf_InsertTag(i->tag,ST_DEFINEBUTTON);
935 int buttonid1 = getNewID(dev);
936 swf_SetU16(i->tag, buttonid1);
937 swf_ButtonSetRecord(i->tag,BS_UP|BS_HIT,ids[0],1,NULL,NULL);
938 swf_ButtonSetRecord(i->tag,BS_OVER,ids[2],1,NULL,NULL);
939 swf_ButtonSetRecord(i->tag,BS_DOWN,ids[4],1,NULL,NULL);
940 swf_SetU8(i->tag,0); // end of button records
941 swf_ActionSet(i->tag,a1);
943 i->tag = swf_InsertTag(i->tag,ST_DEFINEBUTTON);
944 int buttonid2 = getNewID(dev);
945 swf_SetU16(i->tag, buttonid2);
946 swf_ButtonSetRecord(i->tag,BS_UP|BS_HIT,ids[1],1,NULL,NULL);
947 swf_ButtonSetRecord(i->tag,BS_OVER,ids[3],1,NULL,NULL);
948 swf_ButtonSetRecord(i->tag,BS_DOWN,ids[5],1,NULL,NULL);
949 swf_SetU8(i->tag,0); // end of button records
950 swf_ActionSet(i->tag,a2);
952 i->tag = swf_InsertTag(i->tag,ST_PLACEOBJECT2);
954 swf_GetMatrix(0, &m);
955 m.tx = button_sizex*20+200;
956 swf_ObjectPlace(i->tag, buttonid2, 65534,&m,0,0);
957 i->tag = swf_InsertTag(i->tag,ST_PLACEOBJECT2);
958 m.tx = button_sizex*20+200+200;
959 swf_ObjectPlace(i->tag, buttonid1, 65535,&m,0,0);
963 void swf_startframe(gfxdevice_t*dev, int width, int height)
965 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
967 if(i->config_protect) {
968 i->tag = swf_InsertTag(i->tag, ST_PROTECT);
969 i->config_protect = 0;
971 if(i->config_simpleviewer) {
976 if(!i->firstpage && !i->pagefinished)
979 msg("<verbose> Starting new SWF page of size %dx%d", width, height);
981 swf_GetMatrix(0, &i->page_matrix);
982 i->page_matrix.tx = 0;
983 i->page_matrix.ty = 0;
990 /* create a bbox structure with the page size. This is used
991 for clipping shape and text bounding boxes. As we don't want to
992 generate bounding boxes which extend beyond the movie size (in
993 order to not confuse Flash), we clip everything against i->pagebbox */
994 i->pagebbox.xmin = 0;
995 i->pagebbox.ymin = 0;
996 i->pagebbox.xmax = width*20;
997 i->pagebbox.ymax = height*20;
999 /* increase SWF's bounding box */
1000 swf_ExpandRect2(&i->swf->movieSize, &i->pagebbox);
1002 i->lastframeno = i->frameno;
1004 i->pagefinished = 0;
1007 void swf_endframe(gfxdevice_t*dev)
1009 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1011 if(!i->pagefinished)
1014 if( (i->swf->fileVersion <= 8) && (i->config_insertstoptag) ) {
1016 atag = action_Stop(atag);
1017 atag = action_End(atag);
1018 i->tag = swf_InsertTag(i->tag,ST_DOACTION);
1019 swf_ActionSet(i->tag,atag);
1021 i->tag = swf_InsertTag(i->tag,ST_SHOWFRAME);
1024 for(i->depth;i->depth>i->startdepth;i->depth--) {
1025 i->tag = swf_InsertTag(i->tag,ST_REMOVEOBJECT2);
1026 swf_SetU16(i->tag,i->depth);
1028 i->depth = i->startdepth;
1030 if(i->config_frameresets) {
1031 for(i->currentswfid;i->currentswfid>i->startids;i->currentswfid--) {
1032 i->tag = swf_InsertTag(i->tag,ST_FREECHARACTER);
1033 swf_SetU16(i->tag,i->currentswfid);
1035 i->currentswfid = i->startids;
1039 static void setBackground(gfxdevice_t*dev, int x1, int y1, int x2, int y2)
1041 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1043 rgb.a = rgb.r = rgb.g = rgb.b = 0xff;
1047 int shapeid = getNewID(dev);
1052 i->tag = swf_InsertTag(i->tag, ST_DEFINESHAPE);
1054 fs1 = swf_ShapeAddSolidFillStyle(s, &rgb);
1055 swf_SetU16(i->tag,shapeid);
1056 swf_SetRect(i->tag,&r);
1057 swf_SetShapeHeader(i->tag,s);
1058 swf_ShapeSetAll(i->tag,s,x1,y1,ls1,fs1,0);
1059 swf_ShapeSetLine(i->tag,s,(x2-x1),0);
1060 swf_ShapeSetLine(i->tag,s,0,(y2-y1));
1061 swf_ShapeSetLine(i->tag,s,(x1-x2),0);
1062 swf_ShapeSetLine(i->tag,s,0,(y1-y2));
1063 swf_ShapeSetEnd(i->tag);
1065 i->tag = swf_InsertTag(i->tag, ST_PLACEOBJECT2);
1066 swf_ObjectPlace(i->tag,shapeid,getNewDepth(dev),0,0,0);
1067 i->tag = swf_InsertTag(i->tag, ST_PLACEOBJECT2);
1068 swf_ObjectPlaceClip(i->tag,shapeid,getNewDepth(dev),0,0,0,65535);
1071 /* initialize the swf writer */
1072 void gfxdevice_swf_init(gfxdevice_t* dev)
1074 memset(dev, 0, sizeof(gfxdevice_t));
1078 dev->internal = init_internal_struct(); // set config to default values
1080 dev->startpage = swf_startframe;
1081 dev->endpage = swf_endframe;
1082 dev->finish = swf_finish;
1083 dev->fillbitmap = swf_fillbitmap;
1084 dev->setparameter = swf_setparameter;
1085 dev->stroke = swf_stroke;
1086 dev->startclip = swf_startclip;
1087 dev->endclip = swf_endclip;
1088 dev->fill = swf_fill;
1089 dev->fillbitmap = swf_fillbitmap;
1090 dev->fillgradient = swf_fillgradient;
1091 dev->addfont = swf_addfont;
1092 dev->drawchar = swf_drawchar;
1093 dev->drawlink = swf_drawlink;
1095 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1098 msg("<verbose> initializing swf output\n", i->max_x,i->max_y);
1102 i->swf = (SWF*)rfx_calloc(sizeof(SWF));
1103 i->swf->fileVersion = 0;
1104 i->swf->frameRate = 0x80;
1105 i->swf->movieSize.xmin = 0;
1106 i->swf->movieSize.ymin = 0;
1107 i->swf->movieSize.xmax = 0;
1108 i->swf->movieSize.ymax = 0;
1109 i->swf->fileAttributes = 9; // as3, local-with-network
1111 i->swf->firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
1112 i->tag = i->swf->firstTag;
1114 rgb.a = rgb.r = rgb.g = rgb.b = 0xff;
1116 swf_SetRGB(i->tag,&rgb);
1118 i->startdepth = i->depth = 0;
1119 i->startids = i->currentswfid = 0;
1122 static void startshape(gfxdevice_t*dev)
1124 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1129 //if(i->chardatapos && i->chardata[i->chardatapos-1].color.a)
1132 i->tag = swf_InsertTag(i->tag,ST_DEFINESHAPE3);
1134 swf_ShapeNew(&i->shape);
1135 i->linestyleid = swf_ShapeAddLineStyle(i->shape,i->linewidth,&i->strokergb);
1136 i->fillstyleid = swf_ShapeAddSolidFillStyle(i->shape,&i->fillrgb);
1138 RGBA markcol = {0,i->mark[0],i->mark[1],i->mark[2]};
1139 swf_ShapeAddSolidFillStyle(i->shape,&markcol);
1142 i->shapeid = getNewID(dev);
1144 msg("<debug> Using shape id %d", i->shapeid);
1146 swf_SetU16(i->tag,i->shapeid); // ID
1148 i->bboxrectpos = i->tag->len;
1150 swf_SetRect(i->tag,&i->pagebbox);
1152 memset(&i->bboxrect, 0, sizeof(i->bboxrect));
1154 swf_SetShapeStyles(i->tag,i->shape);
1155 swf_ShapeCountBits(i->shape,NULL,NULL);
1156 swf_SetShapeBits(i->tag,i->shape);
1158 /* TODO: do we really need this? */
1159 //swf_ShapeSetAll(i->tag,i->shape,/*x*/0,/*y*/0,i->linestyleid,0,0);
1160 //swf_ShapeSetAll(i->tag,i->shape,/*x*/UNDEFINED_COORD,/*y*/UNDEFINED_COORD,i->linestyleid,0,0);
1161 i->swflastx=i->swflasty=UNDEFINED_COORD;
1162 i->lastwasfill = -1;
1163 i->shapeisempty = 1;
1166 static void starttext(gfxdevice_t*dev)
1168 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1172 if(i->config_watermark) {
1173 insert_watermark(dev, 0);
1175 i->textid = getNewID(dev);
1176 i->swflastx=i->swflasty=0;
1180 /* TODO: move to ../lib/rfxswf */
1181 void changeRect(gfxdevice_t*dev, TAG*tag, int pos, SRECT*newrect)
1183 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1184 /* determine length of old rect */
1188 swf_GetRect(tag, &old);
1189 swf_ResetReadBits(tag);
1190 int pos_end = tag->pos;
1192 int len = tag->len - pos_end;
1193 U8*data = (U8*)malloc(len);
1194 memcpy(data, &tag->data[pos_end], len);
1197 swf_SetRect(tag, newrect);
1198 swf_SetBlock(tag, data, len);
1200 tag->pos = tag->readBit = 0;
1203 void cancelshape(gfxdevice_t*dev)
1205 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1206 /* delete old shape tag */
1208 i->tag = i->tag->prev;
1209 swf_DeleteTag(0, todel);
1210 if(i->shape) {swf_ShapeFree(i->shape);i->shape=0;}
1212 i->bboxrectpos = -1;
1214 // i->currentswfid--; // doesn't work, for some reason
1217 void fixAreas(gfxdevice_t*dev)
1219 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1220 if(!i->shapeisempty && i->fill &&
1221 (i->bboxrect.xmin == i->bboxrect.xmax ||
1222 i->bboxrect.ymin == i->bboxrect.ymax) &&
1223 i->config_minlinewidth >= 0.001
1225 msg("<debug> Shape has size 0: width=%.2f height=%.2f",
1226 (i->bboxrect.xmax-i->bboxrect.xmin)/20.0,
1227 (i->bboxrect.ymax-i->bboxrect.ymin)/20.0
1230 SRECT r = i->bboxrect;
1232 if(r.xmin == r.xmax && r.ymin == r.ymax) {
1233 /* this thing comes down to a single dot- nothing to fix here */
1239 RGBA save_col = i->strokergb;
1240 int save_width = i->linewidth;
1242 i->strokergb = i->fillrgb;
1243 i->linewidth = (int)(i->config_minlinewidth*20);
1244 if(i->linewidth==0) i->linewidth = 1;
1249 moveto(dev, i->tag, r.xmin/20.0,r.ymin/20.0);
1250 lineto(dev, i->tag, r.xmax/20.0,r.ymax/20.0);
1252 i->strokergb = save_col;
1253 i->linewidth = save_width;
1258 static void endshape_noput(gfxdevice_t*dev)
1260 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1263 //changeRect(dev, i->tag, i->bboxrectpos, &i->bboxrect);
1266 swf_ShapeFree(i->shape);
1274 static void endshape(gfxdevice_t*dev)
1276 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1282 if(i->shapeisempty ||
1284 (i->bboxrect.xmin == i->bboxrect.xmax &&
1285 i->bboxrect.ymin == i->bboxrect.ymax))
1287 // delete the shape again, we didn't do anything
1288 msg("<debug> cancelling shape: bbox is (%f,%f,%f,%f)",
1289 i->bboxrect.xmin /20.0,
1290 i->bboxrect.ymin /20.0,
1291 i->bboxrect.xmax /20.0,
1292 i->bboxrect.ymax /20.0
1298 swf_ShapeSetEnd(i->tag);
1300 SRECT r = swf_ClipRect(i->pagebbox, i->bboxrect);
1301 changeRect(dev, i->tag, i->bboxrectpos, &r);
1303 msg("<trace> Placing shape ID %d", i->shapeid);
1305 i->tag = swf_InsertTag(i->tag,ST_PLACEOBJECT2);
1306 MATRIX m = i->page_matrix;
1307 m.tx += i->shapeposx;
1308 m.ty += i->shapeposy;
1309 swf_ObjectPlace(i->tag,i->shapeid,getNewDepth(dev),&m,NULL,NULL);
1311 if(i->config_animate) {
1312 i->tag = swf_InsertTag(i->tag,ST_SHOWFRAME);
1315 swf_ShapeFree(i->shape);
1318 i->bboxrectpos = -1;
1325 void wipeSWF(SWF*swf)
1327 TAG*tag = swf->firstTag;
1329 TAG*next = tag->next;
1330 if(tag->id != ST_SETBACKGROUNDCOLOR &&
1331 tag->id != ST_END &&
1332 tag->id != ST_DOACTION &&
1333 tag->id != ST_SHOWFRAME) {
1334 swf_DeleteTag(swf, tag);
1340 void swfoutput_finalize(gfxdevice_t*dev)
1342 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1344 if(i->tag && i->tag->id == ST_END)
1345 return; //already done
1347 i->swf->fileVersion = i->config_flashversion;
1348 i->swf->frameRate = i->config_framerate*0x100;
1350 if(i->config_bboxvars) {
1351 TAG* tag = swf_InsertTag(i->swf->firstTag, ST_DOACTION);
1353 a = action_PushString(a, "xmin");
1354 a = action_PushFloat(a, i->swf->movieSize.xmin / 20.0);
1355 a = action_SetVariable(a);
1356 a = action_PushString(a, "ymin");
1357 a = action_PushFloat(a, i->swf->movieSize.ymin / 20.0);
1358 a = action_SetVariable(a);
1359 a = action_PushString(a, "xmax");
1360 a = action_PushFloat(a, i->swf->movieSize.xmax / 20.0);
1361 a = action_SetVariable(a);
1362 a = action_PushString(a, "ymax");
1363 a = action_PushFloat(a, i->swf->movieSize.ymax / 20.0);
1364 a = action_SetVariable(a);
1365 a = action_PushString(a, "width");
1366 a = action_PushFloat(a, (i->swf->movieSize.xmax - i->swf->movieSize.xmin) / 20.0);
1367 a = action_SetVariable(a);
1368 a = action_PushString(a, "height");
1369 a = action_PushFloat(a, (i->swf->movieSize.ymax - i->swf->movieSize.ymin) / 20.0);
1370 a = action_SetVariable(a);
1372 swf_ActionSet(tag, a);
1377 free(i->mark);i->mark = 0;
1381 fontlist_t *iterator = i->fontlist;
1383 TAG*mtag = i->swf->firstTag;
1384 if(iterator->swffont) {
1385 if(!i->config_storeallcharacters) {
1386 msg("<debug> Reducing font %s", iterator->swffont->name);
1387 swf_FontReduce(iterator->swffont);
1389 int used = iterator->swffont->use && iterator->swffont->use->used_glyphs;
1391 mtag = swf_InsertTag(mtag, ST_DEFINEFONT2);
1392 swf_FontSetDefine2(mtag, iterator->swffont);
1396 iterator = iterator->next;
1399 i->tag = swf_InsertTag(i->tag,ST_END);
1400 TAG* tag = i->tag->prev;
1402 /* remove the removeobject2 tags between the last ST_SHOWFRAME
1403 and the ST_END- they confuse the flash player */
1404 while(tag->id == ST_REMOVEOBJECT2) {
1405 TAG* prev = tag->prev;
1406 swf_DeleteTag(i->swf, tag);
1413 if(i->config_enablezlib || i->config_flashversion>=6) {
1414 i->swf->compressed = 1;
1417 /* Add AVM2 actionscript */
1418 if(i->config_flashversion>=9 &&
1419 (i->config_insertstoptag || i->hasbuttons)) {
1420 swf_AddButtonLinks(i->swf, i->config_insertstoptag,
1421 i->config_internallinkfunction||i->config_externallinkfunction);
1423 // if(i->config_reordertags)
1424 // swf_Optimize(i->swf);
1427 int swfresult_save(gfxresult_t*gfx, const char*filename)
1429 SWF*swf = (SWF*)gfx->internal;
1432 fi = open(filename, O_BINARY|O_CREAT|O_TRUNC|O_WRONLY, 0777);
1437 msg("<fatal> Could not create \"%s\". ", FIXNULL(filename));
1441 if FAILED(swf_WriteSWF(fi,swf))
1442 msg("<error> WriteSWF() failed.\n");
1448 void* swfresult_get(gfxresult_t*gfx, const char*name)
1450 SWF*swf = (SWF*)gfx->internal;
1451 if(!strcmp(name, "swf")) {
1452 return (void*)swf_CopySWF(swf);
1453 } else if(!strcmp(name, "xmin")) {
1454 return (void*)(swf->movieSize.xmin/20);
1455 } else if(!strcmp(name, "ymin")) {
1456 return (void*)(swf->movieSize.ymin/20);
1457 } else if(!strcmp(name, "xmax")) {
1458 return (void*)(swf->movieSize.xmax/20);
1459 } else if(!strcmp(name, "ymax")) {
1460 return (void*)(swf->movieSize.ymax/20);
1461 } else if(!strcmp(name, "width")) {
1462 return (void*)((swf->movieSize.xmax - swf->movieSize.xmin)/20);
1463 } else if(!strcmp(name, "height")) {
1464 return (void*)((swf->movieSize.ymax - swf->movieSize.ymin)/20);
1468 void swfresult_destroy(gfxresult_t*gfx)
1471 swf_FreeTags((SWF*)gfx->internal);
1472 free(gfx->internal);
1475 memset(gfx, 0, sizeof(gfxresult_t));
1479 static void swfoutput_destroy(gfxdevice_t* dev);
1481 gfxresult_t* swf_finish(gfxdevice_t* dev)
1483 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1486 if(i->config_linktarget) {
1487 free(i->config_linktarget);
1488 i->config_linktarget = 0;
1491 swfoutput_finalize(dev);
1492 SWF* swf = i->swf;i->swf = 0;
1493 swfoutput_destroy(dev);
1495 result = (gfxresult_t*)rfx_calloc(sizeof(gfxresult_t));
1496 result->internal = swf;
1497 result->save = swfresult_save;
1499 result->get = swfresult_get;
1500 result->destroy = swfresult_destroy;
1504 /* Perform cleaning up */
1505 static void swfoutput_destroy(gfxdevice_t* dev)
1507 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1509 /* not initialized yet- nothing to destroy */
1513 fontlist_t *tmp,*iterator = i->fontlist;
1515 if(iterator->swffont) {
1516 swf_FontFree(iterator->swffont);iterator->swffont=0;
1519 iterator = iterator->next;
1522 if(i->swf) {swf_FreeTags(i->swf);free(i->swf);i->swf = 0;}
1525 memset(dev, 0, sizeof(gfxdevice_t));
1528 static void swfoutput_setstrokecolor(gfxdevice_t* dev, U8 r, U8 g, U8 b, U8 a)
1530 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1531 if(i->strokergb.r == r &&
1532 i->strokergb.g == g &&
1533 i->strokergb.b == b &&
1534 i->strokergb.a == a) return;
1544 //#define ROUND_UP 19
1545 //#define ROUND_UP 10
1547 static void swfoutput_setlinewidth(gfxdevice_t*dev, double _linewidth)
1549 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1550 if(i->linewidth == (U16)(_linewidth*20+19.0/20.0))
1554 i->linewidth = (U16)(_linewidth*20+19.0/20.0);
1558 static void drawlink(gfxdevice_t*dev, ActionTAG*,ActionTAG*, gfxline_t*points, char mouseover, const char*url);
1559 static void swfoutput_namedlink(gfxdevice_t*dev, char*name, gfxline_t*points);
1560 static void swfoutput_linktopage(gfxdevice_t*dev, int page, gfxline_t*points);
1561 static void swfoutput_linktourl(gfxdevice_t*dev, const char*url, gfxline_t*points);
1563 /*void swfoutput_drawlink(gfxdevice_t*dev, char*url, gfxline_t*points)
1565 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1566 dev->drawlink(dev, points, url);
1569 void swf_drawlink(gfxdevice_t*dev, gfxline_t*points, const char*url)
1571 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1573 if(i->config_disablelinks)
1576 if(!strncmp("http://pdf2swf:", url, 15)) {
1577 char*tmp = strdup(url);
1578 int l = strlen(tmp);
1581 swfoutput_namedlink(dev, tmp+15, points);
1584 } else if(!strncmp("page", url, 4)) {
1587 if(url[t]<'0' || url[t]>'9')
1590 int page = atoi(&url[4]);
1591 if(page<0) page = 0;
1592 swfoutput_linktopage(dev, page, points);
1595 swfoutput_linktourl(dev, url, points);
1598 void swfoutput_linktourl(gfxdevice_t*dev, const char*url, gfxline_t*points)
1600 ActionTAG* actions = 0;
1601 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1607 /* TODO: escape special characters in url */
1609 if(i->config_externallinkfunction && i->config_flashversion<=8) {
1610 actions = action_PushString(actions, url); //parameter
1611 actions = action_PushInt(actions, 1); //number of parameters (1)
1612 actions = action_PushString(actions, i->config_externallinkfunction); //function name
1613 actions = action_CallFunction(actions);
1614 } else if(!i->config_linktarget) {
1615 if(!i->config_opennewwindow)
1616 actions = action_GetUrl(actions, url, "_parent");
1618 actions = action_GetUrl(actions, url, "_this");
1620 actions = action_GetUrl(actions, url, i->config_linktarget);
1622 actions = action_End(actions);
1624 drawlink(dev, actions, 0, points, 0, url);
1626 void swfoutput_linktopage(gfxdevice_t*dev, int page, gfxline_t*points)
1628 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1629 ActionTAG* actions = 0;
1636 if(!i->config_internallinkfunction || i->config_flashversion>=9) {
1637 actions = action_GotoFrame(actions, page-1);
1638 actions = action_End(actions);
1640 actions = action_PushInt(actions, page); //parameter
1641 actions = action_PushInt(actions, 1); //number of parameters (1)
1642 actions = action_PushString(actions, i->config_internallinkfunction); //function name
1643 actions = action_CallFunction(actions);
1644 actions = action_End(actions);
1648 sprintf(name, "page%d", page);
1650 drawlink(dev, actions, 0, points, 0, name);
1653 /* Named Links (a.k.a. Acrobatmenu) are used to implement various gadgets
1654 of the viewer objects, like subtitles, index elements etc.
1656 void swfoutput_namedlink(gfxdevice_t*dev, char*name, gfxline_t*points)
1658 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1659 ActionTAG *actions1,*actions2;
1660 char*tmp = strdup(name);
1668 if(!strncmp(tmp, "call:", 5))
1670 char*x = strchr(&tmp[5], ':');
1672 actions1 = action_PushInt(0, 0); //number of parameters (0)
1673 actions1 = action_PushString(actions1, &tmp[5]); //function name
1674 actions1 = action_CallFunction(actions1);
1675 actions1 = action_End(actions1);
1678 actions1 = action_PushString(0, x+1); //parameter
1679 actions1 = action_PushInt(actions1, 1); //number of parameters (1)
1680 actions1 = action_PushString(actions1, &tmp[5]); //function name
1681 actions1 = action_CallFunction(actions1);
1682 actions1 = action_End(actions1);
1684 actions2 = action_End(0);
1689 actions1 = action_PushString(0, "/:subtitle");
1690 actions1 = action_PushString(actions1, name);
1691 actions1 = action_SetVariable(actions1);
1692 actions1 = action_End(actions1);
1694 actions2 = action_PushString(0, "/:subtitle");
1695 actions2 = action_PushString(actions2, "");
1696 actions2 = action_SetVariable(actions2);
1697 actions2 = action_End(actions2);
1700 drawlink(dev, actions1, actions2, points, mouseover, name);
1702 swf_ActionFree(actions1);
1703 swf_ActionFree(actions2);
1707 static void drawgfxline(gfxdevice_t*dev, gfxline_t*line, int fill)
1709 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1710 gfxcoord_t lastx=0,lasty=0,px=0,py=0;
1712 int lines= 0, splines=0;
1719 /* check whether the next segment is zero */
1720 if(line->type == gfx_moveTo) {
1721 moveto(dev, i->tag, line->x, line->y);
1722 px = lastx = line->x;
1723 py = lasty = line->y;
1725 } if(line->type == gfx_lineTo) {
1726 lineto(dev, i->tag, line->x, line->y);
1731 } else if(line->type == gfx_splineTo) {
1733 s.x = line->sx;p.x = line->x;
1734 s.y = line->sy;p.y = line->y;
1735 splineto(dev, i->tag, s, p);
1743 msg("<trace> drawgfxline, %d lines, %d splines", lines, splines);
1747 static void drawlink(gfxdevice_t*dev, ActionTAG*actions1, ActionTAG*actions2, gfxline_t*points, char mouseover, const char*url)
1749 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1758 int buttonid = getNewID(dev);
1759 gfxbbox_t bbox = gfxline_getbbox(points);
1764 myshapeid = getNewID(dev);
1765 i->tag = swf_InsertTag(i->tag,ST_DEFINESHAPE3);
1766 swf_ShapeNew(&i->shape);
1767 rgb.r = rgb.b = rgb.a = rgb.g = 0;
1768 fsid = swf_ShapeAddSolidFillStyle(i->shape,&rgb);
1769 swf_SetU16(i->tag, myshapeid);
1770 r.xmin = (int)(bbox.xmin*20);
1771 r.ymin = (int)(bbox.ymin*20);
1772 r.xmax = (int)(bbox.xmax*20);
1773 r.ymax = (int)(bbox.ymax*20);
1774 r = swf_ClipRect(i->pagebbox, r);
1775 swf_SetRect(i->tag,&r);
1776 swf_SetShapeStyles(i->tag,i->shape);
1777 swf_ShapeCountBits(i->shape,NULL,NULL);
1778 swf_SetShapeBits(i->tag,i->shape);
1779 swf_ShapeSetAll(i->tag,i->shape,/*x*/0,/*y*/0,0,fsid,0);
1780 i->swflastx = i->swflasty = 0;
1781 drawgfxline(dev, points, 1);
1782 swf_ShapeSetEnd(i->tag);
1785 myshapeid2 = getNewID(dev);
1786 i->tag = swf_InsertTag(i->tag,ST_DEFINESHAPE3);
1787 swf_ShapeNew(&i->shape);
1789 rgb = i->config_linkcolor;
1791 fsid = swf_ShapeAddSolidFillStyle(i->shape,&rgb);
1792 swf_SetU16(i->tag, myshapeid2);
1793 r.xmin = (int)(bbox.xmin*20);
1794 r.ymin = (int)(bbox.ymin*20);
1795 r.xmax = (int)(bbox.xmax*20);
1796 r.ymax = (int)(bbox.ymax*20);
1797 r = swf_ClipRect(i->pagebbox, r);
1798 swf_SetRect(i->tag,&r);
1799 swf_SetShapeStyles(i->tag,i->shape);
1800 swf_ShapeCountBits(i->shape,NULL,NULL);
1801 swf_SetShapeBits(i->tag,i->shape);
1802 swf_ShapeSetAll(i->tag,i->shape,/*x*/0,/*y*/0,0,fsid,0);
1803 i->swflastx = i->swflasty = 0;
1804 drawgfxline(dev, points, 1);
1805 swf_ShapeSetEnd(i->tag);
1809 i->tag = swf_InsertTag(i->tag,ST_DEFINEBUTTON);
1810 swf_SetU16(i->tag,buttonid); //id
1811 swf_ButtonSetFlags(i->tag, 0); //menu=no
1812 swf_ButtonSetRecord(i->tag,0x01,myshapeid,i->depth,0,0);
1813 swf_ButtonSetRecord(i->tag,0x02,myshapeid2,i->depth,0,0);
1814 swf_ButtonSetRecord(i->tag,0x04,myshapeid2,i->depth,0,0);
1815 swf_ButtonSetRecord(i->tag,0x08,myshapeid,i->depth,0,0);
1816 swf_SetU8(i->tag,0);
1817 swf_ActionSet(i->tag,actions1);
1818 swf_SetU8(i->tag,0);
1822 i->tag = swf_InsertTag(i->tag,ST_DEFINEBUTTON2);
1823 swf_SetU16(i->tag,buttonid); //id
1824 swf_ButtonSetFlags(i->tag, 0); //menu=no
1825 swf_ButtonSetRecord(i->tag,0x01,myshapeid,i->depth,0,0);
1826 swf_ButtonSetRecord(i->tag,0x02,myshapeid2,i->depth,0,0);
1827 swf_ButtonSetRecord(i->tag,0x04,myshapeid2,i->depth,0,0);
1828 swf_ButtonSetRecord(i->tag,0x08,myshapeid,i->depth,0,0);
1829 swf_SetU8(i->tag,0); // end of button records
1830 swf_ButtonSetCondition(i->tag, BC_IDLE_OVERUP);
1831 swf_ActionSet(i->tag,actions1);
1833 swf_ButtonSetCondition(i->tag, BC_OVERUP_IDLE);
1834 swf_ActionSet(i->tag,actions2);
1835 swf_SetU8(i->tag,0);
1836 swf_ButtonPostProcess(i->tag, 2);
1838 swf_SetU8(i->tag,0);
1839 swf_ButtonPostProcess(i->tag, 1);
1843 const char* name = 0;
1844 if(i->config_linknameurl) {
1848 sprintf(buf, "button%d", buttonid);
1851 msg("<trace> Placing link ID %d", buttonid);
1852 i->tag = swf_InsertTag(i->tag,ST_PLACEOBJECT2);
1854 if(posx!=0 || posy!=0) {
1856 p.x = (int)(posx*20);
1857 p.y = (int)(posy*20);
1858 p = swf_TurnPoint(p, &i->page_matrix);
1863 swf_ObjectPlace(i->tag, buttonid, getNewDepth(dev),&m,0,name);
1865 swf_ObjectPlace(i->tag, buttonid, getNewDepth(dev),&i->page_matrix,0,name);
1872 for(t=0;t<picpos;t++)
1874 if(pic_xids[t] == xid &&
1875 pic_yids[t] == yid) {
1876 width = pic_width[t];
1877 height = pic_height[t];
1881 pic_ids[picpos] = swfoutput_drawimagelosslessN(&output, pic, pal, width, height, x1,y1,x2,y2,x3,y3,x4,y4, numpalette);
1882 pic_xids[picpos] = xid;
1883 pic_yids[picpos] = yid;
1884 pic_width[picpos] = width;
1885 pic_height[picpos] = height;
1888 pic[width*y+x] = buf[0];
1892 xid += pal[1].r*3 + pal[1].g*11 + pal[1].b*17;
1893 yid += pal[1].r*7 + pal[1].g*5 + pal[1].b*23;
1897 xid += x*r+x*b*3+x*g*7+x*a*11;
1898 yid += y*r*3+y*b*17+y*g*19+y*a*11;
1900 for(t=0;t<picpos;t++)
1902 if(pic_xids[t] == xid &&
1903 pic_yids[t] == yid) {
1912 int swf_setparameter(gfxdevice_t*dev, const char*name, const char*value)
1914 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
1916 msg("<trace> swfdevice: %s=%s", name, value);
1917 if(!strcmp(name, "jpegsubpixels")) {
1918 i->config_jpegsubpixels = atof(value);
1919 } else if(!strcmp(name, "ppmsubpixels")) {
1920 i->config_ppmsubpixels = atof(value);
1921 } else if(!strcmp(name, "subpixels")) {
1922 i->config_ppmsubpixels = i->config_jpegsubpixels = atof(value);
1923 } else if(!strcmp(name, "drawonlyshapes")) {
1924 i->config_drawonlyshapes = atoi(value);
1925 } else if(!strcmp(name, "ignoredraworder")) {
1926 i->config_ignoredraworder = atoi(value);
1927 } else if(!strcmp(name, "mark")) {
1928 if(!value || !value[0]) {
1929 if(i->mark) free(i->mark);
1933 i->mark = strdup("...");
1934 for(t=0;t<3;t++) if(value[t]) i->mark[t] = value[t];
1936 } else if(!strcmp(name, "filloverlap")) {
1937 i->config_filloverlap = atoi(value);
1938 } else if(!strcmp(name, "linksopennewwindow")) {
1939 i->config_opennewwindow = atoi(value);
1940 } else if(!strcmp(name, "opennewwindow")) {
1941 i->config_opennewwindow = atoi(value);
1942 } else if(!strcmp(name, "storeallcharacters")) {
1943 i->config_storeallcharacters = atoi(value);
1944 } else if(!strcmp(name, "enablezlib")) {
1945 i->config_enablezlib = atoi(value);
1946 } else if(!strcmp(name, "bboxvars")) {
1947 i->config_bboxvars = atoi(value);
1948 } else if(!strcmp(name, "dots")) {
1949 i->config_dots = atoi(value);
1950 } else if(!strcmp(name, "frameresets")) {
1951 i->config_frameresets = atoi(value);
1952 } else if(!strcmp(name, "showclipshapes")) {
1953 i->config_showclipshapes = atoi(value);
1954 } else if(!strcmp(name, "reordertags")) {
1955 i->config_reordertags = atoi(value);
1956 } else if(!strcmp(name, "internallinkfunction")) {
1957 i->config_internallinkfunction = strdup(value);
1958 } else if(!strcmp(name, "externallinkfunction")) {
1959 i->config_externallinkfunction = strdup(value);
1960 } else if(!strcmp(name, "linkfunction")) { //sets both internallinkfunction and externallinkfunction
1961 i->config_internallinkfunction = strdup(value);
1962 i->config_externallinkfunction = strdup(value);
1963 } else if(!strcmp(name, "disable_polygon_conversion")) {
1964 i->config_disable_polygon_conversion = atoi(value);
1965 } else if(!strcmp(name, "normalize_polygon_positions")) {
1966 i->config_normalize_polygon_positions = atoi(value);
1967 } else if(!strcmp(name, "wxwindowparams")) {
1968 i->config_watermark = atoi(value);
1969 } else if(!strcmp(name, "insertstop")) {
1970 i->config_insertstoptag = atoi(value);
1971 } else if(!strcmp(name, "protect")) {
1972 i->config_protect = atoi(value);
1973 if(i->config_protect && i->tag) {
1974 i->tag = swf_InsertTag(i->tag, ST_PROTECT);
1976 } else if(!strcmp(name, "flashversion")) {
1977 i->config_flashversion = atoi(value);
1979 i->swf->fileVersion = i->config_flashversion;
1981 } else if(!strcmp(name, "framerate")) {
1982 i->config_framerate = atof(value);
1984 i->swf->frameRate = i->config_framerate*0x100;
1986 } else if(!strcmp(name, "minlinewidth")) {
1987 i->config_minlinewidth = atof(value);
1988 } else if(!strcmp(name, "caplinewidth")) {
1989 i->config_caplinewidth = atof(value);
1990 } else if(!strcmp(name, "linktarget")) {
1991 i->config_linktarget = strdup(value);
1992 } else if(!strcmp(name, "dumpfonts")) {
1993 i->config_dumpfonts = atoi(value);
1994 } else if(!strcmp(name, "animate")) {
1995 i->config_animate = atoi(value);
1996 } else if(!strcmp(name, "disablelinks")) {
1997 i->config_disablelinks = atoi(value);
1998 } else if(!strcmp(name, "simpleviewer")) {
1999 i->config_simpleviewer = atoi(value);
2000 } else if(!strcmp(name, "next_bitmap_is_jpeg")) {
2002 } else if(!strcmp(name, "jpegquality")) {
2003 int val = atoi(value);
2005 if(val>101) val=101;
2006 i->config_jpegquality = val;
2007 } else if(!strcmp(name, "splinequality")) {
2008 int v = atoi(value);
2009 v = 500-(v*5); // 100% = 0.25 pixel, 0% = 25 pixel
2011 i->config_splinemaxerror = v;
2012 } else if(!strcmp(name, "fontquality")) {
2013 int v = atoi(value);
2014 v = 500-(v*5); // 100% = 0.25 pixel, 0% = 25 pixel
2016 i->config_fontsplinemaxerror = v;
2017 } else if(!strcmp(name, "linkcolor")) {
2018 if(strlen(value)!=8) {
2019 fprintf(stderr, "Unknown format for option 'linkcolor'. (%s <-> RRGGBBAA)\n", value);
2022 # define NIBBLE(s) (((s)>='0' && (s)<='9')?((s)-'0'):((s)&0x0f)+9)
2023 i->config_linkcolor.r = NIBBLE(value[0])<<4 | NIBBLE(value[1]);
2024 i->config_linkcolor.g = NIBBLE(value[2])<<4 | NIBBLE(value[3]);
2025 i->config_linkcolor.b = NIBBLE(value[4])<<4 | NIBBLE(value[5]);
2026 i->config_linkcolor.a = NIBBLE(value[6])<<4 | NIBBLE(value[7]);
2027 } else if(!strcmp(name, "help")) {
2028 printf("\nSWF layer options:\n");
2029 printf("jpegsubpixels=<pixels> resolution adjustment for jpeg images (same as jpegdpi, but in pixels)\n");
2030 printf("ppmsubpixels=<pixels resolution adjustment for lossless images (same as ppmdpi, but in pixels)\n");
2031 printf("subpixels=<pixels> shortcut for setting both jpegsubpixels and ppmsubpixels\n");
2032 printf("drawonlyshapes convert everything to shapes (currently broken)\n");
2033 printf("ignoredraworder allow to perform a few optimizations for creating smaller SWFs\n");
2034 printf("linksopennewwindow make links open a new browser window\n");
2035 printf("linktarget target window name of new links\n");
2036 printf("linkcolor=<color) color of links (format: RRGGBBAA)\n");
2037 printf("linknameurl Link buttons will be named like the URL they refer to (handy for iterating through links with actionscript)\n");
2038 printf("storeallcharacters don't reduce the fonts to used characters in the output file\n");
2039 printf("enablezlib switch on zlib compression (also done if flashversion>=7)\n");
2040 printf("bboxvars store the bounding box of the SWF file in actionscript variables\n");
2041 printf("dots Take care to handle dots correctly\n");
2042 printf("reordertags=0/1 (default: 1) perform some tag optimizations\n");
2043 printf("internallinkfunction=<name> when the user clicks a internal link (to a different page) in the converted file, this actionscript function is called\n");
2044 printf("externallinkfunction=<name> when the user clicks an external link (e.g. http://www.foo.bar/) on the converted file, this actionscript function is called\n");
2045 printf("disable_polygon_conversion never convert strokes to polygons (will remove capstyles and joint styles)\n");
2046 printf("caplinewidth=<width> the minimum thichness a line needs to have so that capstyles become visible (and are converted)\n");
2047 printf("insertstop put an ActionScript \"STOP\" tag in every frame\n");
2048 printf("protect add a \"protect\" tag to the file, to prevent loading in the Flash editor\n");
2049 printf("flashversion=<version> the SWF fileversion (6)\n");
2050 printf("framerate=<fps> SWF framerate\n");
2051 printf("minlinewidth=<width> convert horizontal/vertical boxes smaller than this width to lines (0.05) \n");
2052 printf("simpleviewer Add next/previous buttons to the SWF\n");
2053 printf("animate insert a showframe tag after each placeobject (animate draw order of PDF files)\n");
2054 printf("jpegquality=<quality> set compression quality of jpeg images\n");
2055 printf("splinequality=<value> Set the quality of spline convertion to value (0-100, default: 100).\n");
2056 printf("disablelinks Disable links.\n");
2063 // --------------------------------------------------------------------
2065 static CXFORM gfxcxform_to_cxform(gfxcxform_t* c)
2068 swf_GetCXForm(0, &cx, 1);
2071 if(c->rg!=0 || c->rb!=0 || c->ra!=0 ||
2072 c->gr!=0 || c->gb!=0 || c->ga!=0 ||
2073 c->br!=0 || c->bg!=0 || c->ba!=0 ||
2074 c->ar!=0 || c->ag!=0 || c->ab!=0)
2075 msg("<warning> CXForm not SWF-compatible");
2077 cx.a0 = (S16)(c->aa*256);
2078 cx.r0 = (S16)(c->rr*256);
2079 cx.g0 = (S16)(c->gg*256);
2080 cx.b0 = (S16)(c->bb*256);
2089 static int imageInCache(gfxdevice_t*dev, void*data, int width, int height)
2093 static void addImageToCache(gfxdevice_t*dev, void*data, int width, int height)
2097 static int add_image(swfoutput_internal*i, gfximage_t*img, int targetwidth, int targetheight, int* newwidth, int* newheight)
2099 gfxdevice_t*dev = i->dev;
2101 RGBA*mem = (RGBA*)img->data;
2103 int sizex = img->width;
2104 int sizey = img->height;
2105 int is_jpeg = i->jpeg;
2108 int newsizex=sizex, newsizey=sizey;
2111 if(is_jpeg && i->config_jpegsubpixels) {
2112 newsizex = (int)(targetwidth*i->config_jpegsubpixels + 0.5);
2113 newsizey = (int)(targetheight*i->config_jpegsubpixels + 0.5);
2114 } else if(!is_jpeg && i->config_ppmsubpixels) {
2115 newsizex = (int)(targetwidth*i->config_ppmsubpixels + 0.5);
2116 newsizey = (int)(targetheight*i->config_ppmsubpixels + 0.5);
2120 if(sizex<=0 || sizey<=0)
2127 /* TODO: cache images */
2129 if(newsizex<sizex || newsizey<sizey) {
2130 msg("<verbose> Scaling %dx%d image to %dx%d", sizex, sizey, newsizex, newsizey);
2131 newpic = swf_ImageScale(mem, sizex, sizey, newsizex, newsizey);
2132 *newwidth = sizex = newsizex;
2133 *newheight = sizey = newsizey;
2136 *newwidth = newsizex = sizex;
2137 *newheight = newsizey = sizey;
2140 int num_colors = swf_ImageGetNumberOfPaletteEntries(mem,sizex,sizey,0);
2141 int has_alpha = swf_ImageHasAlpha(mem,sizex,sizey);
2143 msg("<verbose> Drawing %dx%d %s%simage (id %d) at size %dx%d (%dx%d), %s%d colors",
2145 has_alpha?(has_alpha==2?"semi-transparent ":"transparent "):"",
2146 is_jpeg?"jpeg-":"", i->currentswfid+1,
2148 targetwidth, targetheight,
2149 /*newsizex, newsizey,*/
2150 num_colors>256?">":"", num_colors>256?256:num_colors);
2152 /*RGBA* pal = (RGBA*)rfx_alloc(sizeof(RGBA)*num_colors);
2153 swf_ImageGetNumberOfPaletteEntries(mem,sizex,sizey,pal);
2155 for(t=0;t<num_colors;t++) {
2156 printf("%02x%02x%02x%02x ",
2157 pal[t].r, pal[t].g, pal[t].b, pal[t].a);
2164 int cacheid = imageInCache(dev, mem, sizex, sizey);
2167 bitid = getNewID(dev);
2169 i->tag = swf_AddImage(i->tag, bitid, mem, sizex, sizey, i->config_jpegquality);
2170 addImageToCache(dev, mem, sizex, sizey);
2180 static SRECT gfxline_getSWFbbox(gfxline_t*line)
2182 gfxbbox_t bbox = gfxline_getbbox(line);
2184 r.xmin = (int)(bbox.xmin*20);
2185 r.ymin = (int)(bbox.ymin*20);
2186 r.xmax = (int)(bbox.xmax*20);
2187 r.ymax = (int)(bbox.ymax*20);
2191 int line_is_empty(gfxline_t*line)
2194 if(line->type != gfx_moveTo)
2201 static void swf_fillbitmap(gfxdevice_t*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform)
2203 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2205 if(line_is_empty(line))
2211 int targetx = (int)(sqrt(matrix->m00*matrix->m00 + matrix->m01*matrix->m01)*img->width);
2212 int targety = (int)(sqrt(matrix->m10*matrix->m10 + matrix->m11*matrix->m11)*img->height);
2214 int newwidth=0,newheight=0;
2215 int bitid = add_image(i, img, targetx, targety, &newwidth, &newheight);
2218 double fx = (double)img->width / (double)newwidth;
2219 double fy = (double)img->height / (double)newheight;
2222 m.sx = (int)(65536*20*matrix->m00*fx); m.r1 = (int)(65536*20*matrix->m10*fy);
2223 m.r0 = (int)(65536*20*matrix->m01*fx); m.sy = (int)(65536*20*matrix->m11*fy);
2224 m.tx = (int)(matrix->tx*20);
2225 m.ty = (int)(matrix->ty*20);
2228 int myshapeid = getNewID(dev);
2229 i->tag = swf_InsertTag(i->tag,ST_DEFINESHAPE);
2231 swf_ShapeNew(&shape);
2232 int fsid = swf_ShapeAddBitmapFillStyle(shape,&m,bitid,1);
2233 swf_SetU16(i->tag, myshapeid);
2234 SRECT r = gfxline_getSWFbbox(line);
2235 r = swf_ClipRect(i->pagebbox, r);
2236 swf_SetRect(i->tag,&r);
2237 swf_SetShapeStyles(i->tag,shape);
2238 swf_ShapeCountBits(shape,NULL,NULL);
2239 swf_SetShapeBits(i->tag,shape);
2240 swf_ShapeSetAll(i->tag,shape,UNDEFINED_COORD,UNDEFINED_COORD,0,fsid,0);
2241 i->swflastx = i->swflasty = UNDEFINED_COORD;
2242 drawgfxline(dev, line, 1);
2243 swf_ShapeSetEnd(i->tag);
2244 swf_ShapeFree(shape);
2246 msg("<trace> Placing image, shape ID %d, bitmap ID %d", myshapeid, bitid);
2247 i->tag = swf_InsertTag(i->tag,ST_PLACEOBJECT2);
2248 CXFORM cxform2 = gfxcxform_to_cxform(cxform);
2249 swf_ObjectPlace(i->tag,myshapeid,getNewDepth(dev),&i->page_matrix,&cxform2,NULL);
2252 static RGBA col_black = {255,0,0,0};
2254 static void drawoutline(gfxdevice_t*dev, gfxline_t*line)
2256 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2258 int myshapeid = getNewID(dev);
2259 i->tag = swf_InsertTag(i->tag,ST_DEFINESHAPE3);
2262 swf_ShapeNew(&shape);
2263 int lsid = swf_ShapeAddLineStyle(shape,1,&col_black);
2265 swf_SetU16(i->tag,myshapeid);
2266 SRECT r = gfxline_getSWFbbox(line);
2267 r = swf_ClipRect(i->pagebbox, r);
2268 swf_SetRect(i->tag,&r);
2269 swf_SetShapeStyles(i->tag,shape);
2270 swf_ShapeCountBits(shape,NULL,NULL);
2271 swf_SetShapeBits(i->tag,shape);
2272 swf_ShapeSetAll(i->tag,shape,UNDEFINED_COORD,UNDEFINED_COORD,lsid,0,0);
2273 drawgfxline(dev, line, 1);
2274 swf_ShapeSetEnd(i->tag);
2275 swf_ShapeFree(shape);
2277 i->tag = swf_InsertTag(i->tag,ST_PLACEOBJECT2);
2278 swf_ObjectPlace(i->tag, myshapeid, getNewDepth(dev), 0,0,0);
2281 static void swf_startclip(gfxdevice_t*dev, gfxline_t*line)
2283 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2288 if(i->clippos >= 127)
2290 msg("<warning> Too many clip levels.");
2294 if(i->config_showclipshapes)
2295 drawoutline(dev, line);
2297 int myshapeid = getNewID(dev);
2298 i->tag = swf_InsertTag(i->tag,ST_DEFINESHAPE3);
2300 memset(&col, 0, sizeof(RGBA));
2303 swf_ShapeNew(&shape);
2304 int fsid = swf_ShapeAddSolidFillStyle(shape,&col);
2306 RGBA markcol = {0,i->mark[0],i->mark[1],i->mark[2]};
2307 swf_ShapeAddSolidFillStyle(shape,&markcol);
2309 swf_SetU16(i->tag,myshapeid);
2310 SRECT r = gfxline_getSWFbbox(line);
2311 r = swf_ClipRect(i->pagebbox, r);
2312 swf_SetRect(i->tag,&r);
2313 swf_SetShapeStyles(i->tag,shape);
2314 swf_ShapeCountBits(shape,NULL,NULL);
2315 swf_SetShapeBits(i->tag,shape);
2316 swf_ShapeSetAll(i->tag,shape,UNDEFINED_COORD,UNDEFINED_COORD,0,fsid,0);
2317 i->swflastx = i->swflasty = UNDEFINED_COORD;
2318 i->shapeisempty = 1;
2319 drawgfxline(dev, line, 1);
2320 if(i->shapeisempty) {
2321 /* an empty clip shape is equivalent to a shape with no area */
2322 int x = line?line->x:0;
2323 int y = line?line->y:0;
2324 moveto(dev, i->tag, x,y);
2325 lineto(dev, i->tag, x,y);
2326 lineto(dev, i->tag, x,y);
2328 if(!i->shapeisempty && i->currentswfid==1 && r.xmin==0 && r.ymin==0 && r.xmax==(int)(i->max_x*20) && r.ymax==(int)(i->max_y*20)) {
2329 if(i->config_watermark) {
2330 gfxbbox_t r; r.xmin = r.ymin = 0;r.xmax = i->max_x;r.ymax = i->max_y;
2331 draw_watermark(dev, r, 1);
2334 swf_ShapeSetEnd(i->tag);
2335 swf_ShapeFree(shape);
2337 /* TODO: remember the bbox, and check all shapes against it */
2339 msg("<trace> Placing clip ID %d", myshapeid);
2340 i->tag = swf_InsertTag(i->tag,ST_PLACEOBJECT2);
2341 i->cliptags[i->clippos] = i->tag;
2342 i->clipshapes[i->clippos] = myshapeid;
2343 i->clipdepths[i->clippos] = getNewDepth(dev);
2347 static void swf_endclip(gfxdevice_t*dev)
2349 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2356 msg("<error> Invalid end of clipping region");
2360 /*swf_ObjectPlaceClip(i->cliptags[i->clippos],i->clipshapes[i->clippos],i->clipdepths[i->clippos],&i->page_matrix,NULL,NULL,
2361 / * clip to depth: * / i->depth <= i->clipdepths[i->clippos]? i->depth : i->depth - 1);
2363 swf_ObjectPlaceClip(i->cliptags[i->clippos],i->clipshapes[i->clippos],i->clipdepths[i->clippos],&i->page_matrix,NULL,NULL,i->depth);
2365 static int gfxline_type(gfxline_t*line)
2371 int haszerosegments=0;
2374 if(line->type == gfx_moveTo) {
2377 } else if(line->type == gfx_lineTo) {
2381 } else if(line->type == gfx_splineTo) {
2383 if(tmpsplines>lines)
2391 if(lines==0 && splines==0) return 0;
2392 else if(lines==1 && splines==0) return 1;
2393 else if(lines==0 && splines==1) return 2;
2394 else if(splines==0) return 3;
2398 static int gfxline_has_dots(gfxline_t*line)
2406 if(line->type == gfx_moveTo) {
2407 /* test the length of the preceding line, and assume it is a dot if
2408 it's length is less than 1.0. But *only* if there's a noticable
2409 gap between the previous line and the next moveTo. (I've come
2410 across a PDF where thousands of "dots" were stringed together,
2412 int last_short_gap = short_gap;
2413 if((fabs(line->x - x) + fabs(line->y - y)) < 1.0) {
2418 if(isline && dist < 1 && !short_gap && !last_short_gap) {
2423 } else if(line->type == gfx_lineTo) {
2424 dist += fabs(line->x - x) + fabs(line->y - y);
2426 } else if(line->type == gfx_splineTo) {
2427 dist += fabs(line->sx - x) + fabs(line->sy - y) +
2428 fabs(line->x - line->sx) + fabs(line->y - line->sy);
2435 if(isline && dist < 1 && !short_gap) {
2441 static int gfxline_fix_short_edges(gfxline_t*line)
2445 if(line->type == gfx_lineTo) {
2446 if(fabs(line->x - x) + fabs(line->y - y) < 0.01) {
2449 } else if(line->type == gfx_splineTo) {
2450 if(fabs(line->sx - x) + fabs(line->sy - y) +
2451 fabs(line->x - line->sx) + fabs(line->y - line->sy) < 0.01) {
2462 static char is_inside_page(gfxdevice_t*dev, gfxcoord_t x, gfxcoord_t y)
2464 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2465 if(x<i->min_x || x>i->max_x) return 0;
2466 if(y<i->min_y || y>i->max_y) return 0;
2470 gfxline_t* gfxline_move(gfxline_t*line, double x, double y)
2472 gfxline_t*l = line = gfxline_clone(line);
2484 //#define NORMALIZE_POLYGON_POSITIONS
2486 static void swf_stroke(gfxdevice_t*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit)
2488 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2489 if(line_is_empty(line))
2491 int type = gfxline_type(line);
2492 int has_dots = gfxline_has_dots(line);
2493 gfxbbox_t r = gfxline_getbbox(line);
2494 int is_outside_page = !is_inside_page(dev, r.xmin, r.ymin) || !is_inside_page(dev, r.xmax, r.ymax);
2496 /* TODO: * split line into segments, and perform this check for all segments */
2498 if(i->config_disable_polygon_conversion || /*type>=5 ||*/
2500 (width <= i->config_caplinewidth
2501 || (cap_style == gfx_capRound && joint_style == gfx_joinRound)
2502 || (cap_style == gfx_capRound && type<=2))))
2506 /* convert line to polygon */
2507 msg("<trace> draw as polygon, type=%d dots=%d", type, has_dots);
2509 gfxline_fix_short_edges(line);
2510 /* we need to convert the line into a polygon */
2511 gfxpoly_t* poly = gfxpoly_strokeToPoly(line, width, cap_style, joint_style, miterLimit);
2512 gfxline_t*gfxline = gfxpoly_to_gfxline(poly);
2513 dev->fill(dev, gfxline, color);
2514 gfxline_free(gfxline);
2519 msg("<trace> draw as stroke, type=%d dots=%d", type, has_dots);
2522 if(i->config_normalize_polygon_positions) {
2524 double startx = 0, starty = 0;
2525 if(line && line->type == gfx_moveTo) {
2529 line = gfxline_move(line, -startx, -starty);
2530 i->shapeposx = (int)(startx*20);
2531 i->shapeposy = (int)(starty*20);
2534 swfoutput_setstrokecolor(dev, color->r, color->g, color->b, color->a);
2535 swfoutput_setlinewidth(dev, width);
2538 drawgfxline(dev, line, 0);
2540 if(i->config_normalize_polygon_positions) {
2541 free(line); //account for _move
2546 static void swf_fill(gfxdevice_t*dev, gfxline_t*line, gfxcolor_t*color)
2548 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2549 if(line_is_empty(line))
2553 gfxbbox_t r = gfxline_getbbox(line);
2554 int is_outside_page = !is_inside_page(dev, r.xmin, r.ymin) || !is_inside_page(dev, r.xmax, r.ymax);
2556 //if(i->chardatapos && i->chardata[i->chardatapos-1].color.a) {
2559 if(!i->config_ignoredraworder)
2562 if(i->config_normalize_polygon_positions) {
2564 double startx = 0, starty = 0;
2565 if(line && line->type == gfx_moveTo) {
2569 line = gfxline_move(line, -startx, -starty);
2570 i->shapeposx = (int)(startx*20);
2571 i->shapeposy = (int)(starty*20);
2574 swfoutput_setfillcolor(dev, color->r, color->g, color->b, color->a);
2577 drawgfxline(dev, line, 1);
2579 if(i->currentswfid==2 && r.xmin==0 && r.ymin==0 && r.xmax==i->max_x && r.ymax==i->max_y) {
2580 if(i->config_watermark) {
2581 draw_watermark(dev, r, 1);
2585 msg("<trace> end of swf_fill (shapeid=%d)", i->shapeid);
2587 if(i->config_normalize_polygon_positions) {
2588 free(line); //account for _move
2592 static GRADIENT* gfxgradient_to_GRADIENT(gfxgradient_t*gradient)
2595 gfxgradient_t*g = gradient;
2600 GRADIENT* swfgradient = malloc(sizeof(GRADIENT));
2601 swfgradient->num = num;
2602 swfgradient->rgba = malloc(sizeof(swfgradient->rgba[0])*num);
2603 swfgradient->ratios = malloc(sizeof(swfgradient->ratios[0])*num);
2608 swfgradient->ratios[num] = g->pos*255;
2609 swfgradient->rgba[num] = *(RGBA*)&g->color;
2616 static void swf_fillgradient(gfxdevice_t*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix)
2618 if(line_is_empty(line))
2620 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2622 if(line_is_empty(line))
2625 GRADIENT* swfgradient = gfxgradient_to_GRADIENT(gradient);
2632 double f = type==gfxgradient_radial?4:4;
2634 m.sx = (int)(matrix->m00*20*f); m.r1 = (int)(matrix->m10*20*f);
2635 m.r0 = (int)(matrix->m01*20*f); m.sy = (int)(matrix->m11*20*f);
2636 m.tx = (int)(matrix->tx*20);
2637 m.ty = (int)(matrix->ty*20);
2640 int myshapeid = getNewID(dev);
2641 i->tag = swf_InsertTag(i->tag, ST_DEFINESHAPE2);
2643 swf_ShapeNew(&shape);
2644 int fsid = swf_ShapeAddGradientFillStyle(shape,&m,swfgradient,type==gfxgradient_radial);
2645 swf_SetU16(i->tag, myshapeid);
2646 SRECT r = gfxline_getSWFbbox(line);
2647 r = swf_ClipRect(i->pagebbox, r);
2648 swf_SetRect(i->tag,&r);
2649 swf_SetShapeStyles(i->tag,shape);
2650 swf_ShapeCountBits(shape,NULL,NULL);
2651 swf_SetShapeBits(i->tag,shape);
2652 swf_ShapeSetAll(i->tag,shape,UNDEFINED_COORD,UNDEFINED_COORD,0,fsid,0);
2653 i->swflastx = i->swflasty = UNDEFINED_COORD;
2654 drawgfxline(dev, line, 1);
2655 swf_ShapeSetEnd(i->tag);
2656 swf_ShapeFree(shape);
2658 int depth = getNewDepth(dev);
2659 msg("<trace> Placing gradient, shape ID %d, depth %d", myshapeid, depth);
2660 i->tag = swf_InsertTag(i->tag,ST_PLACEOBJECT2);
2661 swf_ObjectPlace(i->tag,myshapeid,depth,&i->page_matrix,NULL,NULL);
2663 swf_FreeGradient(swfgradient);free(swfgradient);
2666 static SWFFONT* gfxfont_to_swffont(gfxfont_t*font, const char* id)
2668 SWFFONT*swffont = (SWFFONT*)rfx_calloc(sizeof(SWFFONT));
2670 SRECT bounds = {0,0,0,0};
2672 swffont->version = 2;
2673 swffont->name = (U8*)strdup(id);
2674 swffont->layout = (SWFLAYOUT*)rfx_calloc(sizeof(SWFLAYOUT));
2675 swffont->layout->ascent = 0;
2676 swffont->layout->descent = 0;
2677 swffont->layout->leading = 0;
2678 swffont->layout->bounds = (SRECT*)rfx_calloc(sizeof(SRECT)*font->num_glyphs);
2679 swffont->encoding = FONT_ENCODING_UNICODE;
2680 swffont->numchars = font->num_glyphs;
2681 swffont->maxascii = font->max_unicode;
2682 swffont->ascii2glyph = (int*)rfx_calloc(sizeof(int)*swffont->maxascii);
2683 swffont->glyph2ascii = (U16*)rfx_calloc(sizeof(U16)*swffont->numchars);
2684 swffont->glyph = (SWFGLYPH*)rfx_calloc(sizeof(SWFGLYPH)*swffont->numchars);
2685 swffont->glyphnames = (char**)rfx_calloc(sizeof(char*)*swffont->numchars);
2686 for(t=0;t<font->max_unicode;t++) {
2687 swffont->ascii2glyph[t] = font->unicode2glyph[t];
2689 SRECT max = {0,0,0,0};
2690 for(t=0;t<font->num_glyphs;t++) {
2694 swffont->glyph2ascii[t] = font->glyphs[t].unicode;
2695 if(swffont->glyph2ascii[t] == 0xffff || swffont->glyph2ascii[t] == 0x0000) {
2696 /* flash 8 flashtype requires unique unicode IDs for each character.
2697 We use the Unicode private user area to assign characters, hoping that
2698 the font doesn't contain more than 2048 glyphs */
2699 swffont->glyph2ascii[t] = 0xe000 + (t&0x1fff);
2702 if(font->glyphs[t].name) {
2703 swffont->glyphnames[t] = strdup(font->glyphs[t].name);
2705 swffont->glyphnames[t] = 0;
2707 advance = font->glyphs[t].advance;
2709 swf_Shape01DrawerInit(&draw, 0);
2710 line = font->glyphs[t].line;
2713 c.x = line->sx * GLYPH_SCALE; c.y = line->sy * GLYPH_SCALE;
2714 to.x = line->x * GLYPH_SCALE; to.y = line->y * GLYPH_SCALE;
2715 if(line->type == gfx_moveTo) {
2716 draw.moveTo(&draw, &to);
2717 } else if(line->type == gfx_lineTo) {
2718 draw.lineTo(&draw, &to);
2719 } else if(line->type == gfx_splineTo) {
2720 draw.splineTo(&draw, &c, &to);
2725 swffont->glyph[t].shape = swf_ShapeDrawerToShape(&draw);
2727 SRECT bbox = swf_ShapeDrawerGetBBox(&draw);
2728 swf_ExpandRect2(&max, &bbox);
2730 swffont->layout->bounds[t] = bbox;
2732 if(advance<32768.0/20) {
2733 swffont->glyph[t].advance = (int)(advance*20);
2735 //msg("<warning> Advance value overflow in glyph %d", t);
2736 swffont->glyph[t].advance = 32767;
2739 draw.dealloc(&draw);
2741 swf_ExpandRect2(&bounds, &swffont->layout->bounds[t]);
2743 for(t=0;t<font->num_glyphs;t++) {
2744 SRECT bbox = swffont->layout->bounds[t];
2746 /* if the glyph doesn't have a bounding box, use the
2747 combined bounding box (necessary e.g. for space characters) */
2748 if(!(bbox.xmin|bbox.ymin|bbox.xmax|bbox.ymax)) {
2749 swffont->layout->bounds[t] = bbox = max;
2752 /* check that the advance value is reasonable, by comparing it
2753 with the bounding box */
2754 if(bbox.xmax>0 && (bbox.xmax*10 < swffont->glyph[t].advance || !swffont->glyph[t].advance)) {
2755 if(swffont->glyph[t].advance)
2756 msg("<warning> fix bad advance value for char %d: bbox=%.2f, advance=%.2f\n", t, bbox.xmax/20.0, swffont->glyph[t].advance/20.0);
2757 swffont->glyph[t].advance = bbox.xmax;
2759 //swffont->glyph[t].advance = bbox.xmax - bbox.xmin;
2763 /* Flash player will use the advance value from the char, and the ascent/descent values
2764 from the layout for text selection.
2765 ascent will extend the char into negative y direction, from the baseline, while descent
2766 will extend in positive y direction, also from the baseline.
2767 The baseline is defined as the y-position zero
2770 swffont->layout->ascent = -bounds.ymin;
2771 if(swffont->layout->ascent < 0)
2772 swffont->layout->ascent = 0;
2773 swffont->layout->descent = bounds.ymax;
2774 if(swffont->layout->descent < 0)
2775 swffont->layout->descent = 0;
2776 swffont->layout->leading = bounds.ymax - bounds.ymin;
2778 /* if the font has proper ascent/descent values (>0) and those define
2779 greater line spacing that what we estimated from the bounding boxes,
2780 use the font's parameters */
2781 if(font->ascent*20 > swffont->layout->ascent)
2782 swffont->layout->ascent = font->ascent*20;
2783 if(font->descent*20 > swffont->layout->descent)
2784 swffont->layout->descent = font->descent*20;
2789 static void swf_addfont(gfxdevice_t*dev, gfxfont_t*font)
2791 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2793 if(i->swffont && i->swffont->name && !strcmp((char*)i->swffont->name,font->id))
2794 return; // the requested font is the current font
2796 fontlist_t*last=0,*l = i->fontlist;
2799 if(!strcmp((char*)l->swffont->name, font->id)) {
2800 return; // we already know this font
2804 l = (fontlist_t*)rfx_calloc(sizeof(fontlist_t));
2805 l->swffont = gfxfont_to_swffont(font, font->id);
2812 swf_FontSetID(l->swffont, getNewID(i->dev));
2814 if(getScreenLogLevel() >= LOGLEVEL_DEBUG) {
2816 // print font information
2817 msg("<debug> Font %s",font->id);
2818 msg("<debug> | ID: %d", l->swffont->id);
2819 msg("<debug> | Version: %d", l->swffont->version);
2820 msg("<debug> | Name: %s", l->swffont->name);
2821 msg("<debug> | Numchars: %d", l->swffont->numchars);
2822 msg("<debug> | Maxascii: %d", l->swffont->maxascii);
2823 msg("<debug> | Style: %d", l->swffont->style);
2824 msg("<debug> | Encoding: %d", l->swffont->encoding);
2825 for(iii=0; iii<l->swffont->numchars;iii++) {
2826 msg("<debug> | Glyph %d) name=%s, unicode=%d size=%d bbox=(%.2f,%.2f,%.2f,%.2f)\n", iii, l->swffont->glyphnames?l->swffont->glyphnames[iii]:"<nonames>", l->swffont->glyph2ascii[iii], l->swffont->glyph[iii].shape->bitlen,
2827 l->swffont->layout->bounds[iii].xmin/20.0,
2828 l->swffont->layout->bounds[iii].ymin/20.0,
2829 l->swffont->layout->bounds[iii].xmax/20.0,
2830 l->swffont->layout->bounds[iii].ymax/20.0
2833 for(t=0;t<l->swffont->maxascii;t++) {
2834 if(l->swffont->ascii2glyph[t] == iii)
2835 msg("<debug> | - maps to %d",t);
2841 static void swf_switchfont(gfxdevice_t*dev, const char*fontid)
2843 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2845 if(i->swffont && i->swffont->name && !strcmp((char*)i->swffont->name,fontid))
2846 return; // the requested font is the current font
2848 fontlist_t*l = i->fontlist;
2850 if(!strcmp((char*)l->swffont->name, fontid)) {
2851 i->swffont = l->swffont;
2856 msg("<error> Unknown font id: %s", fontid);
2860 static void swf_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyph, gfxcolor_t*color, gfxmatrix_t*matrix)
2862 swfoutput_internal*i = (swfoutput_internal*)dev->internal;
2864 msg("<error> swf_drawchar called (glyph %d) without font", glyph);
2868 if(i->config_drawonlyshapes) {
2869 gfxglyph_t*g = &font->glyphs[glyph];
2870 gfxline_t*line2 = gfxline_clone(g->line);
2871 gfxline_transform(line2, matrix);
2872 dev->fill(dev, line2, color);
2873 gfxline_free(line2);
2877 if(!i->swffont || !i->swffont->name || strcmp((char*)i->swffont->name,font->id)) // not equal to current font
2879 /* TODO: remove the need for this (enhance getcharacterbbox so that it can cope
2880 with multiple fonts */
2882 swf_switchfont(dev, font->id); // set the current font
2885 msg("<warning> swf_drawchar: Font is NULL");
2888 if(glyph<0 || glyph>=i->swffont->numchars) {
2889 msg("<warning> No character %d in font %s (%d chars)", glyph, FIXNULL((char*)i->swffont->name), i->swffont->numchars);
2893 setfontscale(dev, matrix->m00, matrix->m01, matrix->m10, matrix->m11, matrix->tx, matrix->ty, 0);
2895 double det = i->fontmatrix.sx/65536.0 * i->fontmatrix.sy/65536.0 -
2896 i->fontmatrix.r0/65536.0 * i->fontmatrix.r1/65536.0;
2897 if(fabs(det) < 0.0005) {
2898 /* x direction equals y direction- the text is invisible */
2899 msg("<verbose> Not drawing invisible character character %d (det=%f, m=[%f %f;%f %f]\n", glyph,
2901 i->fontmatrix.sx/65536.0, i->fontmatrix.r1/65536.0,
2902 i->fontmatrix.r0/65536.0, i->fontmatrix.sy/65536.0);
2906 /*if(i->swffont->glyph[glyph].shape->bitlen <= 16) {
2907 msg("<warning> Glyph %d in current charset (%s, %d characters) is empty",
2908 glyph, FIXNULL((char*)i->swffont->name), i->swffont->numchars);
2912 /* calculate character position with respect to the current font matrix */
2913 double s = 20 * GLYPH_SCALE / det;
2914 double px = matrix->tx - i->fontmatrix.tx/20.0;
2915 double py = matrix->ty - i->fontmatrix.ty/20.0;
2916 int x = (SCOORD)(( px * i->fontmatrix.sy/65536.0 - py * i->fontmatrix.r1/65536.0)*s);
2917 int y = (SCOORD)((- px * i->fontmatrix.r0/65536.0 + py * i->fontmatrix.sx/65536.0)*s);
2918 if(x>32767 || x<-32768 || y>32767 || y<-32768) {
2919 msg("<verbose> Moving character origin to %f %f\n", matrix->tx, matrix->ty);
2921 setfontscale(dev, matrix->m00, matrix->m01, matrix->m10, matrix->m11, matrix->tx, matrix->ty, 1);
2922 /* since we just moved the char origin to the current char's position,
2923 it now has the relative position (0,0) */
2932 msg("<trace> Drawing char %d in font %d at %d,%d in color %02x%02x%02x%02x",
2933 glyph, i->swffont->id, x, y, color->r, color->g, color->b, color->a);
2935 putcharacter(dev, i->swffont->id, glyph, x, y, i->current_font_size, *(RGBA*)color);
2936 swf_FontUseGlyph(i->swffont, glyph);