SWFFONT* swf_LoadT1Font(const char*filename)
{
SWFFONT * font;
int nr;
float angle,underline;
char*fontname,*fullname,*familyname;
BBox bbox;
int s,num;
char**charnames;
char**charname;
char*encoding[256];
int c;
int t;
if(!t1lib_initialized) {
T1_SetBitmapPad(16);
if ((T1_InitLib(NO_LOGFILE)==NULL)){
fprintf(stderr, "Initialization of t1lib failed\n");
return 0;
}
t1lib_initialized = 1;
}
nr = T1_AddFont(filename);
T1_LoadFont(nr);
charnames = T1_GetAllCharNames(nr);
if(!charnames) {
fprintf(stderr, "No Charnames record- not a Type1 Font?\n");
return 0;
}
angle = T1_GetItalicAngle(nr);
fontname = T1_GetFontName(nr);
fullname = T1_GetFullName(nr);
familyname = T1_GetFamilyName(nr);
underline = T1_GetUnderlinePosition(nr);
bbox = T1_GetFontBBox(nr);
font = (SWFFONT*)rfx_calloc(sizeof(SWFFONT));
font->version = 2;
if(fontname)
font->name = (U8*)strdup(fontname);
else
font->name = 0;
font->layout = (SWFLAYOUT*)rfx_calloc(sizeof(SWFLAYOUT));
num = 0;
charname = charnames;
while(*charname) {
charname++;
if(num<256) {
if(*charname) encoding[num] = strdup(*charname);
else encoding[num] = strdup(".notdef");
}
num++;
}
for(t=num;t<256;t++)
encoding[t] = strdup(".notdef");
//T1_ReencodeFont(nr, encoding);
font->maxascii = num;
font->numchars = num;
font->style = (/*bold*/0?FONT_STYLE_BOLD:0) + (angle>0.05?FONT_STYLE_ITALIC:0);
font->glyph = (SWFGLYPH*)rfx_calloc(num*sizeof(SWFGLYPH));
font->glyph2ascii = (U16*)rfx_calloc(num*sizeof(U16));
font->ascii2glyph = (int*)rfx_calloc(font->maxascii*sizeof(int));
font->layout->ascent = (U16)(underline - bbox.lly);
font->layout->descent = (U16)(bbox.ury - underline);
font->layout->leading = (U16)(font->layout->ascent -
font->layout->descent -
(bbox.lly - bbox.ury));
font->layout->bounds = (SRECT*)rfx_calloc(sizeof(SRECT)*num);
font->layout->kerningcount = 0;
font->layout->kerning = 0;
font->glyphnames = rfx_calloc(num*sizeof(char*));
num = 0;
charname = charnames;
for(c=0;c<font->numchars;c++) {
drawer_t draw;
SRECT bbox;
T1_OUTLINE * outline;
FPOINT pos,last;
int firstx;
outline = T1_GetCharOutline(nr, c, 100.0, 0);
firstx = outline->dest.x/0xffff;
pos.x = 0;
pos.y = 0;
last = pos;
font->glyphnames[c] = strdup(*charname);
if(c<font->maxascii)
font->ascii2glyph[c] = c;
font->glyph2ascii[c] = c;
swf_Shape01DrawerInit(&draw, 0);
while(outline) {
pos.x += (outline->dest.x/(float)0xffff);
pos.y += (outline->dest.y/(float)0xffff);
if(outline->type == T1_PATHTYPE_MOVE) {
draw.moveTo(&draw,&pos);
} else if(outline->type == T1_PATHTYPE_LINE) {
draw.lineTo(&draw,&pos);
} else if(outline->type == T1_PATHTYPE_BEZIER) {
T1_BEZIERSEGMENT*o2 = (T1_BEZIERSEGMENT*)outline;
FPOINT b,c;
b.x = o2->B.x/(float)0xffff+last.x;
b.y = o2->B.y/(float)0xffff+last.y;
c.x = o2->C.x/(float)0xffff+last.x;
c.y = o2->C.y/(float)0xffff+last.y;
draw_cubicTo(&draw,&b,&c,&pos);
} else {
fprintf(stderr, "loadT1Font: unknown outline type:%d\n", outline->type);
}
last = pos;
outline = outline->link;
}
draw.finish(&draw);
font->glyph[c].shape = swf_ShapeDrawerToShape(&draw);
bbox = swf_ShapeDrawerGetBBox(&draw);
draw.dealloc(&draw);
font->layout->bounds[c] = bbox;
font->glyph[c].advance = bbox.xmax;
if(!font->glyph[c].advance) {
font->glyph[c].advance = firstx;
}
charname++;
}
T1_DeleteFont(nr);
for(t=0;t<256;t++)
rfx_free(encoding[t]);
return font;
}
int
i_t1_bbox(i_t1_font_t font, double points,const char *str,size_t len, i_img_dim cords[6], int utf8,char const *flags) {
BBox bbox;
BBox gbbox;
int mod_flags = t1_get_flags(flags);
i_img_dim advance;
int fontnum = font->font_id;
int space_position;
i_clear_error();
i_mutex_lock(mutex);
space_position = T1_GetEncodingIndex(fontnum, "space");
mm_log((1,"i_t1_bbox(font %p (%d),points %.2f,str '%.*s', len %u)\n",
font, fontnum,points,(int)len,str,(unsigned)len));
if (T1_LoadFont(fontnum) == -1) {
t1_push_error();
i_mutex_unlock(mutex);
return 0;
}
if (len == 0) {
/* len == 0 has special meaning to T1lib, but it means there's
nothing to draw, so return that */
bbox.llx = bbox.lly = bbox.urx = bbox.ury = 0;
advance = 0;
}
else {
if (utf8) {
int worklen;
char *work = t1_from_utf8(str, len, &worklen);
if (!work) {
i_mutex_unlock(mutex);
return 0;
}
advance = T1_GetStringWidth(fontnum, work, worklen, 0, mod_flags);
bbox = T1_GetStringBBox(fontnum,work,worklen,0,mod_flags);
t1_fix_bbox(&bbox, work, worklen, advance, space_position);
myfree(work);
}
else {
advance = T1_GetStringWidth(fontnum, (char *)str, len, 0, mod_flags);
bbox = T1_GetStringBBox(fontnum,(char *)str,len,0,mod_flags);
t1_fix_bbox(&bbox, str, len, advance, space_position);
}
}
gbbox = T1_GetFontBBox(fontnum);
mm_log((1,"bbox: (%d, %d, %d, %d, %d, %d)\n",
(int)(bbox.llx*points/1000),
(int)(gbbox.lly*points/1000),
(int)(bbox.urx*points/1000),
(int)(gbbox.ury*points/1000),
(int)(bbox.lly*points/1000),
(int)(bbox.ury*points/1000) ));
cords[BBOX_NEG_WIDTH]=((double)bbox.llx*points)/1000;
cords[BBOX_POS_WIDTH]=((double)bbox.urx*points)/1000;
cords[BBOX_GLOBAL_DESCENT]=((double)gbbox.lly*points)/1000;
cords[BBOX_GLOBAL_ASCENT]=((double)gbbox.ury*points)/1000;
cords[BBOX_DESCENT]=((double)bbox.lly*points)/1000;
cords[BBOX_ASCENT]=((double)bbox.ury*points)/1000;
cords[BBOX_ADVANCE_WIDTH] = ((double)advance * points)/1000;
cords[BBOX_RIGHT_BEARING] =
cords[BBOX_ADVANCE_WIDTH] - cords[BBOX_POS_WIDTH];
i_mutex_unlock(mutex);
return BBOX_RIGHT_BEARING+1;
}
