static void utterance_parse (utterance *utt)
{
int i, j, whitespace;
utt->letters [0] = LETTER_PAU;
i = 0; j = 1; whitespace = 1;
while (utt->text[i] != 0 && i < STR_SIZE)
{
if (utt->text[i] == '-' ||
utt->text[i] == '\''
) {
i++;
continue;
}
if (utt->text[i] == ' ' ||
utt->text[i] == '_' ||
utt->text[i] == '\"' ||
utt->text[i] == '\t' ||
utt->text[i] == '\n') {
i++;
if (!whitespace) {
utt->letters[j] = LETTER_PAU;
j++;
whitespace = 1;
}
continue;
}
if (utt->text[i] > 'z' || utt->text[i] < 'A') {
i++;
continue;
}
utt->letters[j] = get_letter_index (utt, i);
i += utf8_length(utt->text + i);
j ++;
whitespace = 0;
}
if (whitespace == 0)
utt->letters[j] = LETTER_PAU;
}
int draw_vector_char(framebuffer_t fb, vector_font_t *font, uint32_t c, xy_t p, xy_t off, double scale, col_t colour, double line_thick, const int mode, const int bidi)
{
letter_t *l;
double fixoff, wc1, wc2;
unicode_data_t ucd;
int found = 0;
// Algorithmic substitution
if (bidi == -2)
c = substitute_rtl_punctuation(c);
process_one_glyph(font, get_letter_index(font, c));
l = get_letter(font, c);
if (l)
if (l->obj)
{
found = 1;
fixoff = 0.;
if ((mode&12)==MONOSPACE || ((mode&12)==MONODIGITS && c>='0' && c<='9'))
fixoff = 0.5 * (4. - l->width);
if (bidi == -2)
fixoff -= l->br;
else
fixoff -= l->bl;
draw_vobj(fb, l->obj, xy(p.x + off.x + fixoff*scale, p.y + off.y), scale, 0., line_thick, colour);
}
// Alias
if (found==0 && l)
if (l->alias)
found |= draw_vector_char(fb, font, l->alias, p, off, scale, colour, line_thick, mode, bidi);
// Combo
if (found==0)
{
ucd = get_unicode_data(c);
if (/*ucd.decomp_type == decomp_canonical &&*/ ucd.combo1) // if we have a valid combo for this character
{
wc1 = glyph_width(font, off.x, ucd.combo1, scale, mode);
found |= draw_vector_char(fb, font, ucd.combo1, p, off, scale, colour, line_thick, mode, bidi);
if (ucd.uccat == uccat_Ll) // if character is lowercase
{
wc2 = ((glyph_width(font, off.x, ucd.combo2, 1., mode) - LETTERSPACING) * LOWERCASESCALE + LETTERSPACING) * scale;
scale *= LOWERCASESCALE;
}
else
wc2 = glyph_width(font, off.x, ucd.combo2, scale, mode);
if (bidi == -2)
off.x -= (wc1 - wc2) * 0.5;
else
off.x += (wc1 - wc2) * 0.5;
found |= draw_vector_char(fb, font, ucd.combo2, p, off, scale, colour, line_thick, mode, bidi);
}
}
// Upper case
if (found==0)
if (ucd.upper_map)
found |= draw_vector_char(fb, font, ucd.upper_map, p, off, scale*LOWERCASESCALE, colour, line_thick, mode, bidi);
// Decomposed CJK
if (found==0)
found |= draw_cjkdec_glyph(fb, font, c, add_xy(p, off), scale, colour, line_thick, mode);
return found;
}
