5 Extension module for the rfxswf library.
6 Part of the swftools package.
8 Copyright (c) 2001 Rainer Böhme <rfxswf@reflex-studio.de>
9 Copyright (c) 2003,2004 Matthias Kramm
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
25 static U32 readUTF8char(U8 ** text)
28 if (!(*(*text) & 0x80))
31 /* 0000 0080-0000 07FF 110xxxxx 10xxxxxx */
32 if (((*text)[0] & 0xe0) == 0xc0 && (*text)[1]) {
33 c = ((*text)[0] & 0x1f) << 6 | ((*text)[1] & 0x3f);
37 /* 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx */
38 if (((*text)[0] & 0xf0) == 0xe0 && (*text)[1] && (*text)[2]) {
39 c = ((*text)[0] & 0x0f) << 12 | ((*text)[1] & 0x3f) << 6 | ((*text)[2] & 0x3f);
43 /* 0001 0000-001F FFFF 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
44 if (((*text)[0] & 0xf8) == 0xf0 && (*text)[1] && (*text)[2]
46 c = ((*text)[0] & 0x07) << 18 | ((*text)[1] & 0x3f) << 12 | ((*text)[2] & 0x3f) << 6 | ((*text)[3] & 0x3f);
50 /* 0020 0000-03FF FFFF 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
51 if (((*text)[0] & 0xfc) == 0xf8 && (*text)[1] && (*text)[2]
54 c = ((*text)[0] & 0x03) << 24 | ((*text)[1] & 0x3f) << 18 | ((*text)[2] & 0x3f) << 12 | ((*text)[3] & 0x3f) << 6 | ((*text)[4] & 0x3f);
58 /* 0400 0000-7FFF FFFF 1111110x 10xxxxxx ... 10xxxxxx */
59 if (((*text)[0] & 0xfe) == 0xfc && (*text)[1] && (*text)[2]
61 && (*text)[4] && (*text)[5]) {
62 c = ((*text)[0] & 0x01) << 30 | ((*text)[1] & 0x3f) << 24 |
63 ((*text)[2] & 0x3f) << 18 | ((*text)[3] & 0x3f) << 12 | ((*text)[4] & 0x3f) << 6 | ((*text)[5] & 0x3f) << 6;
70 #define TF_TEXTCONTROL 0x80
71 #define TF_HASFONT 0x08
72 #define TF_HASCOLOR 0x04
73 #define TF_HASYOFFSET 0x02
74 #define TF_HASXOFFSET 0x01
76 #define FF_WIDECODES 0x01
78 #define FF_ITALIC 0x04
80 #define FF_SHIFTJIS 0x10
81 #define FF_UNICODE 0x20
84 #define FF2_ITALIC 0x02
85 #define FF2_WIDECODES 0x04
86 #define FF2_WIDEOFFSETS 0x08
88 #define FF2_UNICODE 0x20
89 #define FF2_SHIFTJIS 0x40
90 #define FF2_LAYOUT 0x80
92 int swf_FontIsItalic(SWFFONT * f)
94 return f->style & FONT_STYLE_ITALIC;
97 int swf_FontIsBold(SWFFONT * f)
99 return f->style & FONT_STYLE_BOLD;
102 static const int WRITEFONTID = 0x4e46; // font id for WriteFont and ReadFont
104 int swf_FontEnumerate(SWF * swf, void (*FontCallback) (void*, U16, U8 *), void*self)
114 if (swf_GetTagID(t) == ST_DEFINEFONT2 || swf_GetTagID(t) == ST_DEFINEFONT) {
125 if (swf_GetTagID(t) == ST_DEFINEFONT2 || swf_GetTagID(t) == ST_DEFINEFONTINFO || swf_GetTagID(t) == ST_DEFINEFONTINFO2) {
128 swf_GetBlock(t, s, l);
132 (FontCallback) (self, id, s);
134 swf_RestoreTagPos(t);
142 int swf_FontExtract_DefineFont(int id, SWFFONT * f, TAG * t)
149 if ((!id) || (id == fid)) {
160 f->glyph = rfx_calloc(sizeof(SWFGLYPH) * n);
162 for (i = 1; i < n; i++)
164 for (i = 0; i < n; i++)
165 swf_GetSimpleShape(t, &f->glyph[i].shape);
168 swf_RestoreTagPos(t);
172 int swf_FontExtract_DefineFontInfo(int id, SWFFONT * f, TAG * t)
185 if (f->version > 1) {
186 /* Especially with Flash MX, DefineFont2 may have FontInfo fields,
187 too. However, they only add little information to what's already
188 inside the DefineFont2 tag */
195 f->name = (U8 *) rfx_alloc(l + 1);
196 swf_GetBlock(t, f->name, l);
199 flags = swf_GetU8(t);
201 f->style |= FONT_STYLE_BOLD;
203 f->style |= FONT_STYLE_ITALIC;
205 f->encoding |= FONT_ENCODING_ANSI;
207 f->encoding |= FONT_ENCODING_SHIFTJIS;
209 f->encoding |= FONT_ENCODING_UNICODE;
211 if (t->id == ST_DEFINEFONTINFO2) {
212 f->language = swf_GetU8(t);
215 f->glyph2ascii = (U16 *) rfx_alloc(sizeof(U16) * f->numchars);
217 for (i = 0; i < f->numchars; i++) {
218 f->glyph2ascii[i] = ((flags & FF_WIDECODES) ? swf_GetU16(t) : swf_GetU8(t));
219 if (f->glyph2ascii[i] > maxcode)
220 maxcode = f->glyph2ascii[i];
225 f->maxascii = maxcode;
226 f->ascii2glyph = (int *) rfx_alloc(sizeof(int) * maxcode);
227 memset(f->ascii2glyph, -1, sizeof(int) * maxcode);
229 for (i = 0; i < f->numchars; i++)
230 f->ascii2glyph[f->glyph2ascii[i]] = i;
233 swf_RestoreTagPos(t);
237 int swf_FontExtract_GlyphNames(int id, SWFFONT * f, TAG * tag)
243 swf_SetTagPos(tag, 0);
245 fid = swf_GetU16(tag);
248 int num = swf_GetU16(tag);
250 f->glyphnames = rfx_alloc(sizeof(char *) * num);
251 for (t = 0; t < num; t++) {
252 f->glyphnames[t] = strdup(swf_GetString(tag));
256 swf_RestoreTagPos(tag);
261 int swf_FontExtract_DefineFont2(int id, SWFFONT * font, TAG * tag)
266 U8 flags1, flags2, namelen;
268 swf_SetTagPos(tag, 0);
270 fid = swf_GetU16(tag);
274 flags1 = swf_GetU8(tag);
275 flags2 = swf_GetU8(tag); //reserved flags
278 font->style |= FONT_STYLE_BOLD;
280 font->style |= FONT_STYLE_ITALIC;
282 font->encoding |= FONT_ENCODING_ANSI;
284 font->encoding |= FONT_ENCODING_UNICODE;
286 font->encoding |= FONT_ENCODING_SHIFTJIS;
288 namelen = swf_GetU8(tag);
289 font->name = (U8 *) rfx_alloc(namelen + 1);
290 font->name[namelen] = 0;
291 swf_GetBlock(tag, font->name, namelen);
293 glyphcount = swf_GetU16(tag);
294 font->numchars = glyphcount;
296 font->glyph = (SWFGLYPH *) rfx_calloc(sizeof(SWFGLYPH) * glyphcount);
297 font->glyph2ascii = (U16 *) rfx_calloc(sizeof(U16) * glyphcount);
299 if (flags1 & 8) { // wide offsets
300 for (t = 0; t < glyphcount; t++)
301 swf_GetU32(tag); //offset[t]
303 if (glyphcount) /* this _if_ is not in the specs */
304 swf_GetU32(tag); // fontcodeoffset
306 for (t = 0; t < glyphcount; t++)
307 swf_GetU16(tag); //offset[t]
309 if (glyphcount) /* this _if_ is not in the specs */
310 swf_GetU16(tag); // fontcodeoffset
312 /* TODO: we should use the offset positions, not just
313 blindly read in shapes */
314 for (t = 0; t < glyphcount; t++)
315 swf_GetSimpleShape(tag, &(font->glyph[t].shape));
318 for (t = 0; t < glyphcount; t++) {
320 if (flags1 & 4) // wide codes
321 code = swf_GetU16(tag);
323 code = swf_GetU8(tag);
324 font->glyph2ascii[t] = code;
331 font->maxascii = maxcode;
332 font->ascii2glyph = (int *) rfx_alloc(sizeof(int) * maxcode);
333 memset(font->ascii2glyph, -1, sizeof(int) * maxcode);
334 for (t = 0; t < glyphcount; t++) {
335 font->ascii2glyph[font->glyph2ascii[t]] = t;
338 if (flags1 & 128) { // has layout
340 font->layout = (SWFLAYOUT *) rfx_alloc(sizeof(SWFLAYOUT));
341 font->layout->ascent = swf_GetU16(tag);
342 font->layout->descent = swf_GetU16(tag);
343 font->layout->leading = swf_GetU16(tag);
344 for (t = 0; t < glyphcount; t++) {
345 S16 advance = swf_GetS16(tag);
346 font->glyph[t].advance = advance;
348 font->layout->bounds = rfx_alloc(glyphcount * sizeof(SRECT));
349 for (t = 0; t < glyphcount; t++) {
350 swf_ResetReadBits(tag);
351 swf_GetRect(tag, &font->layout->bounds[t]);
354 kerningcount = swf_GetU16(tag);
355 font->layout->kerningcount = kerningcount;
357 font->layout->kerning = (SWFKERNING *) rfx_alloc(sizeof(SWFKERNING) * kerningcount);
359 font->layout->kerning = rfx_alloc(sizeof(*font->layout->kerning) * kerningcount);
360 for (t = 0; t < kerningcount; t++) {
361 if (flags1 & 4) { // wide codes
362 font->layout->kerning[t].char1 = swf_GetU16(tag);
363 font->layout->kerning[t].char2 = swf_GetU16(tag);
365 font->layout->kerning[t].char1 = swf_GetU8(tag);
366 font->layout->kerning[t].char2 = swf_GetU8(tag);
368 font->layout->kerning[t].adjustment = swf_GetS16(tag);
372 swf_RestoreTagPos(t);
377 #define FEDTJ_PRINT 0x01
378 #define FEDTJ_MODIFY 0x02
379 #define FEDTJ_CALLBACK 0x04
382 swf_FontExtract_DefineTextCallback(int id, SWFFONT * f, TAG * t, int jobs,
383 void (*callback) (void *self,
384 int *chars, int *xpos, int nr, int fontid, int fontsize, int xstart, int ystart, RGBA * color), void *self)
395 memset(&color, 0, sizeof(color));
402 swf_GetMatrix(t, &m);
403 gbits = swf_GetU8(t);
404 abits = swf_GetU8(t);
408 flags = swf_GetU8(t);
412 if (flags & TF_TEXTCONTROL) {
413 if (flags & TF_HASFONT)
415 if (flags & TF_HASCOLOR) {
416 color.r = swf_GetU8(t); // rgb
417 color.g = swf_GetU8(t);
418 color.b = swf_GetU8(t);
419 if (swf_GetTagID(t) == ST_DEFINETEXT2)
420 color.a = swf_GetU8(t);
422 if (flags & TF_HASXOFFSET)
424 if (flags & TF_HASYOFFSET)
426 if (flags & TF_HASFONT)
427 fontsize = swf_GetU16(t);
439 for (i = 0; i < num; i++) {
443 glyph = swf_GetBits(t, gbits);
444 adv = swf_GetBits(t, abits);
449 if (jobs & FEDTJ_PRINT) {
450 int code = f->glyph2ascii[glyph];
453 if (jobs & FEDTJ_MODIFY)
454 f->glyph[glyph].advance = adv * 20; //?
456 if (jobs & FEDTJ_PRINT) {
464 if ((id == fid) && (jobs & FEDTJ_PRINT))
466 if (jobs & FEDTJ_CALLBACK)
467 callback(self, buf, advance, num, fid, fontsize, x, y, &color);
472 swf_RestoreTagPos(t);
476 int swf_ParseDefineText(TAG * tag,
477 void (*callback) (void *self, int *chars, int *ypos, int nr, int fontid, int fontsize, int xstart, int ystart, RGBA * color), void *self)
479 return swf_FontExtract_DefineTextCallback(-1, 0, tag, FEDTJ_CALLBACK, callback, self);
482 int swf_FontExtract_DefineText(int id, SWFFONT * f, TAG * t, int jobs)
484 return swf_FontExtract_DefineTextCallback(id, f, t, jobs, 0, 0);
487 int swf_FontExtract(SWF * swf, int id, SWFFONT * *font)
492 if ((!swf) || (!font))
495 f = (SWFFONT *) rfx_calloc(sizeof(SWFFONT));
501 switch (swf_GetTagID(t)) {
503 nid = swf_FontExtract_DefineFont(id, f, t);
507 nid = swf_FontExtract_DefineFont2(id, f, t);
510 case ST_DEFINEFONTINFO:
511 case ST_DEFINEFONTINFO2:
512 nid = swf_FontExtract_DefineFontInfo(id, f, t);
517 nid = swf_FontExtract_DefineText(id, f, t, f->layout ? 0 : FEDTJ_MODIFY);
521 nid = swf_FontExtract_GlyphNames(id, f, t);
536 int swf_FontSetID(SWFFONT * f, U16 id)
544 void swf_LayoutFree(SWFLAYOUT * l)
548 rfx_free(l->kerning);
558 static void font_freeglyphnames(SWFFONT*f)
562 for (t = 0; t < f->numchars; t++) {
563 if (f->glyphnames[t])
564 rfx_free(f->glyphnames[t]);
566 rfx_free(f->glyphnames);
571 static void font_freeusage(SWFFONT*f)
575 rfx_free(f->use->chars);f->use->chars = 0;
577 rfx_free(f->use); f->use = 0;
580 static void font_freelayout(SWFFONT*f)
583 swf_LayoutFree(f->layout);
587 static void font_freename(SWFFONT*f)
595 int swf_FontReduce(SWFFONT * f)
599 if ((!f) || (!f->use) || f->use->is_reduced)
604 for (i = 0; i < f->numchars; i++) {
605 if (f->glyph[i].shape && f->use->chars[i]) {
606 f->glyph2ascii[j] = f->glyph2ascii[i];
607 f->glyph[j] = f->glyph[i];
608 f->use->chars[i] = j;
611 f->glyph2ascii[i] = 0;
612 if(f->glyph[i].shape) {
613 swf_ShapeFree(f->glyph[i].shape);
614 f->glyph[i].shape = 0;
615 f->glyph[i].advance = 0;
617 f->use->chars[i] = -1;
621 for (i = 0; i < f->maxascii; i++) {
622 if(f->use->chars[f->ascii2glyph[i]]<0) {
623 f->ascii2glyph[i] = -1;
625 f->ascii2glyph[i] = f->use->chars[f->ascii2glyph[i]];
629 f->maxascii = max_unicode;
630 f->use->is_reduced = 1;
633 font_freeglyphnames(f);
638 void swf_FontSort(SWFFONT * font)
646 newplace = rfx_alloc(sizeof(int) * font->numchars);
648 for (i = 0; i < font->numchars; i++) {
651 for (i = 0; i < font->numchars; i++)
652 for (j = 0; j < i; j++) {
653 if (font->glyph2ascii[i] < font->glyph2ascii[j]) {
662 n1 = font->glyph2ascii[i];
663 n2 = font->glyph2ascii[j];
664 font->glyph2ascii[j] = n1;
665 font->glyph2ascii[i] = n2;
670 if (font->glyphnames) {
671 c1 = font->glyphnames[i];
672 c2 = font->glyphnames[j];
673 font->glyphnames[j] = c1;
674 font->glyphnames[i] = c2;
677 r1 = font->layout->bounds[i];
678 r2 = font->layout->bounds[j];
679 font->layout->bounds[j] = r1;
680 font->layout->bounds[i] = r2;
684 newpos = rfx_alloc(sizeof(int) * font->numchars);
685 for (i = 0; i < font->numchars; i++) {
686 newpos[newplace[i]] = i;
688 for (i = 0; i < font->maxascii; i++) {
689 if (font->ascii2glyph[i] >= 0)
690 font->ascii2glyph[i] = newpos[font->ascii2glyph[i]];
697 void swf_FontPrepareForEditText(SWFFONT * font)
700 swf_FontCreateLayout(font);
704 int swf_FontInitUsage(SWFFONT * f)
709 fprintf(stderr, "Usage initialized twice");
712 f->use = rfx_alloc(sizeof(FONTUSAGE));
713 f->use->is_reduced = 0;
714 f->use->chars = rfx_calloc(sizeof(f->use->chars[0]) * f->numchars);
718 void swf_FontClearUsage(SWFFONT * f)
722 rfx_free(f->use->chars); f->use->chars = 0;
723 rfx_free(f->use); f->use = 0;
726 int swf_FontUse(SWFFONT * f, U8 * s)
729 swf_FontInitUsage(f);
733 if(*s < f->maxascii && f->ascii2glyph[*s]>=0)
734 f->use->chars[f->ascii2glyph[*s]] = 1;
740 int swf_FontUseGlyph(SWFFONT * f, int glyph)
743 swf_FontInitUsage(f);
744 if(glyph < 0 || glyph > f->numchars)
746 f->use->chars[glyph] = 1;
750 int swf_FontSetDefine(TAG * t, SWFFONT * f)
752 U16 *ofs = (U16 *) rfx_alloc(f->numchars * 2);
757 swf_ResetWriteBits(t);
758 swf_SetU16(t, f->id);
762 for (i = 0; i < f->numchars; i++)
763 if (f->glyph[i].shape) {
765 p += swf_SetSimpleShape(NULL, f->glyph[i].shape);
768 for (i = 0; i < j; i++)
769 swf_SetU16(t, ofs[i] + j * 2);
771 fprintf(stderr, "rfxswf: warning: Font is empty\n");
775 for (i = 0; i < f->numchars; i++)
776 if (f->glyph[i].shape)
777 swf_SetSimpleShape(t, f->glyph[i].shape);
779 swf_ResetWriteBits(t);
784 static inline int fontSize(SWFFONT * font)
788 for (t = 0; t < font->numchars; t++) {
790 if(font->glyph[t].shape)
791 l = (font->glyph[t].shape->bitlen + 7) / 8;
796 return size + (font->numchars + 1) * 2;
799 int swf_FontSetDefine2(TAG * tag, SWFFONT * f)
805 swf_SetU16(tag, f->id);
807 if (f->layout) flags |= 128; // haslayout
808 if (f->numchars > 256)
809 flags |= 4; // widecodes
810 if (f->style & FONT_STYLE_BOLD)
812 if (f->style & FONT_STYLE_ITALIC)
813 flags |= 2; // italic
814 if (f->maxascii >= 256)
815 flags |= 4; //wide codecs
816 if (fontSize(f) > 65535)
817 flags |= 8; //wide offsets
818 flags |= 8 | 4; //FIXME: the above check doesn't work
820 if (f->encoding & FONT_ENCODING_ANSI)
822 if (f->encoding & FONT_ENCODING_UNICODE)
823 flags |= 32; // unicode
824 if (f->encoding & FONT_ENCODING_SHIFTJIS)
825 flags |= 64; // shiftjis
827 swf_SetU8(tag, flags);
828 swf_SetU8(tag, 0); //reserved flags
831 swf_SetU8(tag, strlen(f->name));
832 swf_SetBlock(tag, f->name, strlen(f->name));
834 /* font name (="") */
837 /* number of glyphs */
838 swf_SetU16(tag, f->numchars);
839 /* font offset table */
841 for (t = 0; t <= f->numchars; t++) {
843 swf_SetU32(tag, /* fontoffset */ 0); /*placeholder */
845 swf_SetU16(tag, /* fontoffset */ 0); /*placeholder */
848 for (t = 0; t <= f->numchars; t++) {
850 tag->data[pos + t * 4] = (tag->len - pos);
851 tag->data[pos + t * 4 + 1] = (tag->len - pos) >> 8;
852 tag->data[pos + t * 4 + 2] = (tag->len - pos) >> 16;
853 tag->data[pos + t * 4 + 3] = (tag->len - pos) >> 24;
855 if (tag->len - pos > 65535) {
856 fprintf(stderr, "Internal error: Font too big and WideOffsets flag not set\n");
859 tag->data[pos + t * 2] = (tag->len - pos);
860 tag->data[pos + t * 2 + 1] = (tag->len - pos) >> 8;
862 if (t < f->numchars) {
863 if(f->glyph[t].shape) {
864 swf_SetSimpleShape(tag, f->glyph[t].shape);
866 swf_SetU8(tag, 0); //non-edge(1) + edge flags(5)
872 /* font code table */
873 if (flags & 4) { /* wide codes */
874 for (t = 0; t < f->numchars; t++) {
875 swf_SetU16(tag, f->glyph2ascii[t]);
878 for (t = 0; t < f->numchars; t++)
879 swf_SetU8(tag, f->glyph2ascii[t]);
882 swf_SetU16(tag, f->layout->ascent);
883 swf_SetU16(tag, f->layout->descent);
884 swf_SetU16(tag, f->layout->leading);
885 for (t = 0; t < f->numchars; t++)
886 swf_SetU16(tag, f->glyph[t].advance);
887 for (t = 0; t < f->numchars; t++) {
888 swf_ResetWriteBits(tag);
889 swf_SetRect(tag, &f->layout->bounds[t]);
891 swf_SetU16(tag, f->layout->kerningcount);
892 for (t = 0; t < f->layout->kerningcount; t++) {
893 if (flags & 4) { /* wide codes */
894 swf_SetU16(tag, f->layout->kerning[t].char1);
895 swf_SetU16(tag, f->layout->kerning[t].char2);
897 swf_SetU8(tag, f->layout->kerning[t].char1);
898 swf_SetU8(tag, f->layout->kerning[t].char2);
900 swf_SetU16(tag, f->layout->kerning[t].adjustment);
906 void swf_FontAddLayout(SWFFONT * f, int ascent, int descent, int leading)
908 f->layout = (SWFLAYOUT *) rfx_alloc(sizeof(SWFLAYOUT));
909 f->layout->ascent = ascent;
910 f->layout->descent = descent;
911 f->layout->leading = leading;
912 f->layout->kerningcount = 0;
913 f->layout->kerning = 0;
914 f->layout->bounds = (SRECT *) rfx_calloc(sizeof(SRECT) * f->numchars);
917 int swf_FontSetInfo(TAG * t, SWFFONT * f)
924 swf_ResetWriteBits(t);
925 swf_SetU16(t, f->id);
926 l = f->name ? strlen(f->name) : 0;
931 swf_SetBlock(t, f->name, l);
932 if (f->numchars >= 256)
935 if (f->style & FONT_STYLE_BOLD)
937 if (f->style & FONT_STYLE_ITALIC)
939 if (f->style & FONT_ENCODING_ANSI)
941 if (f->style & FONT_ENCODING_SHIFTJIS)
943 if (f->style & FONT_ENCODING_UNICODE)
946 swf_SetU8(t, (flags & 0xfe) | wide);
948 for (i = 0; i < f->numchars; i++) {
949 if (f->glyph[i].shape) {
950 int g2a = f->glyph2ascii[i];
951 wide ? swf_SetU16(t, g2a) : swf_SetU8(t, g2a);
958 int swf_TextPrintDefineText(TAG * t, SWFFONT * f)
960 int id = swf_GetTagID(t);
961 if ((id == ST_DEFINETEXT) || (id == ST_DEFINETEXT2))
962 swf_FontExtract_DefineText(f->id, f, t, FEDTJ_PRINT);
968 void swf_FontFree(SWFFONT * f)
975 for (i = 0; i < f->numchars; i++)
976 if (f->glyph[i].shape) {
977 swf_ShapeFree(f->glyph[i].shape);
978 f->glyph[i].shape = NULL;
983 if (f->ascii2glyph) {
984 rfx_free(f->ascii2glyph);
985 f->ascii2glyph = NULL;
987 if (f->glyph2ascii) {
988 rfx_free(f->glyph2ascii);
989 f->glyph2ascii = NULL;
993 font_freeglyphnames(f);
999 int swf_TextSetInfoRecord(TAG * t, SWFFONT * font, U16 size, RGBA * color, int dx, int dy)
1005 flags = TF_TEXTCONTROL | (font ? TF_HASFONT : 0) | (color ? TF_HASCOLOR : 0) | (dx ? TF_HASXOFFSET : 0)
1006 | (dy ? TF_HASYOFFSET : 0);
1008 swf_SetU8(t, flags);
1010 swf_SetU16(t, font->id);
1012 if (swf_GetTagID(t) == ST_DEFINETEXT2)
1013 swf_SetRGBA(t, color);
1015 swf_SetRGB(t, color);
1018 if(dx != SET_TO_ZERO) {
1019 if(dx>32767 || dx<-32768)
1020 fprintf(stderr, "Warning: Horizontal char position overflow: %d\n", dx);
1027 if(dy != SET_TO_ZERO) {
1028 if(dy>32767 || dy<-32768)
1029 fprintf(stderr, "Warning: Vertical char position overflow: %d\n", dy);
1036 swf_SetU16(t, size);
1041 static int swf_TextCountBits2(SWFFONT * font, U8 * s, int scale, U8 * gbits, U8 * abits, char *encoding)
1045 if ((!s) || (!font) || ((!gbits) && (!abits)) || (!font->ascii2glyph))
1049 if (!strcmp(encoding, "UTF8"))
1051 else if (!strcmp(encoding, "iso-8859-1"))
1054 fprintf(stderr, "Unknown encoding: %s", encoding);
1062 c = readUTF8char(&s);
1064 if (c < font->maxascii)
1065 glyph = font->ascii2glyph[c];
1067 g = swf_CountUBits(glyph, g);
1068 a = swf_CountBits(((((U32) font->glyph[glyph].advance) * scale) / 20) / 100, a);
1079 static int swf_TextSetCharRecord2(TAG * t, SWFFONT * font, U8 * s, int scale, U8 gbits, U8 abits, char *encoding)
1084 if ((!t) || (!font) || (!s) || (!font->ascii2glyph))
1087 if (!strcmp(encoding, "UTF8"))
1089 else if (!strcmp(encoding, "iso-8859-1"))
1092 fprintf(stderr, "Unknown encoding: %s", encoding);
1095 swf_SetU8(t, l); //placeholder
1103 c = readUTF8char(&s);
1105 if (c < font->maxascii)
1106 g = font->ascii2glyph[c];
1108 swf_SetBits(t, g, gbits);
1109 swf_SetBits(t, ((((U32) font->glyph[g].advance) * scale) / 20) / 100, abits);
1116 PUT8(&t->data[pos], l);
1118 swf_ResetWriteBits(t);
1122 int swf_TextCountBits(SWFFONT * font, U8 * s, int scale, U8 * gbits, U8 * abits)
1124 return swf_TextCountBits2(font, s, scale, gbits, abits, "iso-8859-1");
1127 int swf_TextSetCharRecord(TAG * t, SWFFONT * font, U8 * s, int scale, U8 gbits, U8 abits)
1129 return swf_TextSetCharRecord2(t, font, s, scale, gbits, abits, "iso-8859-1");
1132 int swf_TextCountBitsUTF8(SWFFONT * font, U8 * s, int scale, U8 * gbits, U8 * abits)
1134 return swf_TextCountBits2(font, s, scale, gbits, abits, "UTF8");
1137 int swf_TextSetCharRecordUTF8(TAG * t, SWFFONT * font, U8 * s, int scale, U8 gbits, U8 abits)
1139 return swf_TextSetCharRecord2(t, font, s, scale, gbits, abits, "UTF8");
1142 U32 swf_TextGetWidth(SWFFONT * font, U8 * s, int scale)
1149 if (*s < font->maxascii)
1150 g = font->ascii2glyph[*s];
1152 res += font->glyph[g].advance / 20;
1156 res = (res * scale) / 100;
1161 SRECT swf_TextCalculateBBoxUTF8(SWFFONT * font, U8 * s, int scale)
1168 int c = readUTF8char(&s);
1169 if (c < font->maxascii) {
1170 int g = font->ascii2glyph[c];
1172 SRECT rn = font->layout->bounds[g];
1173 rn.xmin = (rn.xmin * scale) / 20 / 100 + xpos;
1174 rn.xmax = (rn.xmax * scale) / 20 / 100 + xpos;
1175 rn.ymin = (rn.ymin * scale) / 20 / 100 + ypos;
1176 rn.ymax = (rn.ymax * scale) / 20 / 100 + ypos;
1177 swf_ExpandRect2(&r, &rn);
1178 xpos += (font->glyph[g].advance * scale) / 20 / 100;
1187 SWFFONT *swf_ReadFont(char *filename)
1193 f = open(filename, O_RDONLY|O_BINARY);
1195 if (f < 0 || swf_ReadSWF(f, &swf) < 0) {
1196 fprintf(stderr, "%s is not a valid SWF font file or contains errors.\n", filename);
1202 if (swf_FontExtract(&swf, WRITEFONTID, &font) < 0)
1209 void swf_WriteFont(SWFFONT * font, char *filename)
1216 int useDefineFont2 = 0;
1217 int storeGlyphNames = 1;
1220 useDefineFont2 = 1; /* the only thing new in definefont2
1221 is layout information. */
1223 font->id = WRITEFONTID; //"FN"
1225 memset(&swf, 0x00, sizeof(SWF));
1227 swf.fileVersion = 4;
1228 swf.frameRate = 0x4000;
1230 /* if we use DefineFont1 to store the characters,
1231 we have to build a textfield to store the
1232 advance values. While at it, we can also
1233 make the whole .swf viewable */
1235 /* we now always create viewable swfs, even if we
1236 did use definefont2 -mk */
1237 t = swf_InsertTag(NULL, ST_SETBACKGROUNDCOLOR);
1242 swf_SetRGB(t, &rgb);
1243 if (!useDefineFont2) {
1244 t = swf_InsertTag(t, ST_DEFINEFONT);
1245 swf_FontSetDefine(t, font);
1246 t = swf_InsertTag(t, ST_DEFINEFONTINFO);
1247 swf_FontSetInfo(t, font);
1249 t = swf_InsertTag(t, ST_DEFINEFONT2);
1250 swf_FontSetDefine2(t, font);
1253 if (storeGlyphNames && font->glyphnames) {
1255 t = swf_InsertTag(t, ST_GLYPHNAMES);
1256 swf_SetU16(t, WRITEFONTID);
1257 swf_SetU16(t, font->numchars);
1258 for (c = 0; c < font->numchars; c++) {
1259 if (font->glyphnames[c])
1260 swf_SetString(t, font->glyphnames[c]);
1262 swf_SetString(t, "");
1266 if (1) //neccessary only for df1, but pretty to look at anyhow, so do it always
1268 int textscale = 400;
1275 int range = font->maxascii;
1278 if (useDefineFont2 && range > 256) {
1282 for (s = 0; s < range; s++) {
1283 int g = font->ascii2glyph[s];
1285 if ((font->glyph[g].advance * textscale / 20) / 64 > xmax) {
1286 xmax = (font->glyph[g].advance * textscale / 20) / 64;
1290 if ((s & 15) == 0) {
1297 ymax = ypos * textscale * 2;
1299 swf.movieSize.xmax = xmax * 20;
1300 swf.movieSize.ymax = ymax;
1302 t = swf_InsertTag(t, ST_DEFINETEXT);
1304 swf_SetU16(t, font->id + 1); // ID
1308 r.xmax = swf.movieSize.xmax;
1309 r.ymax = swf.movieSize.ymax;
1313 swf_SetMatrix(t, NULL);
1315 abits = swf_CountBits(xmax * 16, 0);
1318 swf_SetU8(t, gbits);
1319 swf_SetU8(t, abits);
1325 for (y = 0; y < ((range + 15) / 16); y++) {
1326 int c = 0, lastx = -1;
1327 for (x = 0; x < 16; x++) {
1328 int g = (y * 16 + x < range) ? font->ascii2glyph[y * 16 + x] : -1;
1329 if (g >= 0 && font->glyph[g].shape) {
1336 swf_TextSetInfoRecord(t, font, textscale, &rgb, lastx + 1, textscale * ypos * 2);
1337 for (x = 0; x < 16; x++) {
1338 int g = (y * 16 + x < range) ? font->ascii2glyph[y * 16 + x] : -1;
1339 if (g >= 0 && font->glyph[g].shape) {
1340 if (lastx != x * xmax) {
1341 swf_TextSetInfoRecord(t, 0, 0, 0, x * xmax + 1, 0);
1344 swf_SetBits(t, g, gbits);
1345 swf_SetBits(t, font->glyph[g].advance / 20, abits);
1346 lastx = x * xmax + (font->glyph[g].advance / 20);
1347 swf_ResetWriteBits(t);
1356 t = swf_InsertTag(t, ST_PLACEOBJECT2);
1358 swf_ObjectPlace(t, font->id + 1, 1, NULL, NULL, NULL);
1360 t = swf_InsertTag(t, ST_SHOWFRAME);
1364 t = swf_InsertTag(t, ST_END);
1366 f = open(filename, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0644);
1368 (swf_WriteSWF(f, &swf)) fprintf(stderr, "WriteSWF() failed in writeFont().\n");
1375 void swf_SetEditText(TAG * tag, U16 flags, SRECT r, char *text, RGBA * color, int maxlength, U16 font, U16 height, EditTextLayout * layout, char *variable)
1377 swf_SetRect(tag, &r);
1378 swf_ResetWriteBits(tag);
1380 flags &= ~(ET_HASTEXT | ET_HASTEXTCOLOR | ET_HASMAXLENGTH | ET_HASFONT | ET_HASLAYOUT);
1382 flags |= ET_HASTEXT;
1384 flags |= ET_HASTEXTCOLOR;
1386 flags |= ET_HASMAXLENGTH;
1388 flags |= ET_HASFONT;
1390 flags |= ET_HASLAYOUT;
1392 swf_SetBits(tag, flags, 16);
1394 if (flags & ET_HASFONT) {
1395 swf_SetU16(tag, font); //font
1396 swf_SetU16(tag, height); //fontheight
1398 if (flags & ET_HASTEXTCOLOR) {
1399 swf_SetRGBA(tag, color);
1401 if (flags & ET_HASMAXLENGTH) {
1402 swf_SetU16(tag, maxlength); //maxlength
1404 if (flags & ET_HASLAYOUT) {
1405 swf_SetU8(tag, layout->align); //align
1406 swf_SetU16(tag, layout->leftmargin); //left margin
1407 swf_SetU16(tag, layout->rightmargin); //right margin
1408 swf_SetU16(tag, layout->indent); //indent
1409 swf_SetU16(tag, layout->leading); //leading
1411 swf_SetString(tag, variable);
1412 if (flags & ET_HASTEXT)
1413 swf_SetString(tag, text);
1416 SRECT swf_SetDefineText(TAG * tag, SWFFONT * font, RGBA * rgb, char *text, int scale)
1420 U8 *c = (U8 *) text;
1423 r = swf_TextCalculateBBoxUTF8(font, text, scale * 20);
1425 fprintf(stderr, "No layout information- can't compute text bbox accurately");
1426 /* Hm, without layout information, we can't compute a bounding
1427 box. We could call swf_FontCreateLayout to create a layout,
1428 but the caller probably doesn't want us to mess up his font
1431 r.xmin = r.ymin = 0;
1432 r.xmax = r.ymax = 1024 * 20;
1435 swf_SetRect(tag, &r);
1437 /* The text matrix is pretty boring, as it doesn't apply to
1438 individual characters, but rather whole text objects (or
1439 at least whole char records- haven't tested).
1440 So it can't do anything which we can't already do with
1441 the placeobject tag we use for placing the text on the scene.
1443 swf_SetMatrix(tag, 0);
1445 swf_TextCountBitsUTF8(font, text, scale * 20, &gbits, &abits);
1446 swf_SetU8(tag, gbits);
1447 swf_SetU8(tag, abits);
1449 /* now set the text params- notice that a font size of
1450 1024 means that the glyphs will be displayed exactly
1451 as they would be in/with a defineshape. (Try to find
1452 *that* in the flash specs)
1454 swf_TextSetInfoRecord(tag, font, (scale * 1024) / 100, rgb, 0, 0); //scale
1456 /* set the actual text- notice that we just pass our scale
1457 parameter over, as TextSetCharRecord calculates with
1459 swf_TextSetCharRecordUTF8(tag, font, text, scale * 20, gbits, abits);
1465 void swf_FontCreateLayout(SWFFONT * f)
1474 f->layout = (SWFLAYOUT *) rfx_calloc(sizeof(SWFLAYOUT));
1475 f->layout->bounds = (SRECT *) rfx_alloc(f->numchars * sizeof(SRECT));
1476 f->layout->ascent = -32767;
1477 f->layout->descent = -32767;
1479 for (t = 0; t < f->numchars; t++) {
1483 shape2 = swf_ShapeToShape2(f->glyph[t].shape);
1485 fprintf(stderr, "Shape parse error\n");
1488 bbox = swf_GetShapeBoundingBox(shape2);
1489 swf_Shape2Free(shape2);
1490 f->layout->bounds[t] = bbox;
1492 width = (bbox.xmax);
1494 /* The following is a heuristic- it may be that extractfont_DefineText
1495 has already found out some widths for individual characters (from the way
1496 they are used)- we now have to guess whether that width might be possible,
1497 which is the case if it isn't either much too big or much too small */
1498 if (width > f->glyph[t].advance * 3 / 2 || width < f->glyph[t].advance / 2)
1499 f->glyph[t].advance = width;
1501 if (-bbox.ymin > f->layout->ascent)
1502 f->layout->ascent = bbox.ymin;
1503 if (bbox.ymax > f->layout->descent)
1504 f->layout->descent = bbox.ymax;
1508 void swf_DrawText(drawer_t * draw, SWFFONT * font, int size, char *text)
1510 U8 *s = (U8 *) text;
1516 U32 c = readUTF8char(&s);
1517 int g = font->ascii2glyph[c];
1518 shape = font->glyph[g].shape;
1519 if (((int) g) < 0) {
1520 fprintf(stderr, "No char %d in font %s\n", c, font->name ? (char *) font->name : "?");
1523 shape2 = swf_ShapeToShape2(shape);
1526 if (l->type == moveTo) {
1528 to.x = l->x * size / 100.0 / 20.0 + advance;
1529 to.y = l->y * size / 100.0 / 20.0;
1530 draw->moveTo(draw, &to);
1531 } else if (l->type == lineTo) {
1533 to.x = l->x * size / 100.0 / 20.0 + advance;
1534 to.y = l->y * size / 100.0 / 20.0;
1535 draw->lineTo(draw, &to);
1536 } else if (l->type == splineTo) {
1538 mid.x = l->sx * size / 100.0 / 20.0 + advance;
1539 mid.y = l->sy * size / 100.0 / 20.0;
1540 to.x = l->x * size / 100.0 / 20.0 + advance;
1541 to.y = l->y * size / 100.0 / 20.0;
1542 draw->splineTo(draw, &mid, &to);
1546 swf_Shape2Free(shape2);
1547 advance += font->glyph[g].advance * size / 100.0 / 20.0;