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Most hebrew diacritics support (except dagesh and final kaf rules)

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-03-23 21:50:27 +01:00
parent 7624beba47
commit 832d13705c
2 changed files with 64 additions and 6 deletions
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52
font/font.c
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@ -1180,7 +1180,8 @@ blit_comb (const struct grub_unicode_glyph *glyph_id,
for (i = 0; i < glyph_id->ncomb; i++)
{
grub_int16_t space = 0;
grub_int16_t centerx = (bounds.width - combining_glyphs[i]->width) / 2
/* Center by default. */
grub_int16_t targetx = (bounds.width - combining_glyphs[i]->width) / 2
+ bounds.x;
if (!combining_glyphs[i])
@ -1192,7 +1193,7 @@ blit_comb (const struct grub_unicode_glyph *glyph_id,
{
case GRUB_UNICODE_COMB_OVERLAY:
do_blit (combining_glyphs[i],
centerx,
targetx,
(bounds.height - combining_glyphs[i]->height) / 2
-(bounds.height + bounds.y));
if (min_devwidth < combining_glyphs[i]->width)
@ -1222,20 +1223,59 @@ blit_comb (const struct grub_unicode_glyph *glyph_id,
below_rightx += combining_glyphs[i]->width;
break;
case GRUB_UNICODE_COMB_HEBREW_HOLAM:
if (glyph_id->base != GRUB_UNICODE_HEBREW_WAW)
targetx = main_glyph->offset_x - combining_glyphs[i]->width - (combining_glyphs[i]->width + 3) / 4;
goto above_on_main;
case GRUB_UNICODE_COMB_HEBREW_SIN_DOT:
targetx = main_glyph->offset_x + combining_glyphs[i]->width / 4;
goto above_on_main;
case GRUB_UNICODE_COMB_HEBREW_SHIN_DOT:
targetx = main_glyph->width + main_glyph->offset_x - combining_glyphs[i]->width;
above_on_main:
space = combining_glyphs[i]->offset_y
- grub_font_get_xheight (combining_glyphs[i]->font) - 1;
if (space <= 0)
space = 1 + (grub_font_get_xheight (main_glyph->font)) / 8;
do_blit (combining_glyphs[i], targetx,
-(main_glyph->height + main_glyph->offset_y + space
+ combining_glyphs[i]->height));
if (min_devwidth < combining_glyphs[i]->width)
min_devwidth = combining_glyphs[i]->width;
break;
case GRUB_UNICODE_COMB_HEBREW_RAFE:
case GRUB_UNICODE_STACK_ABOVE:
space = combining_glyphs[i]->offset_y
- grub_font_get_xheight (combining_glyphs[i]->font);
if (space < 0)
- grub_font_get_xheight (combining_glyphs[i]->font) - 1;
if (space <= 0)
space = 1 + (grub_font_get_xheight (main_glyph->font)) / 8;
case GRUB_UNICODE_STACK_ATTACHED_ABOVE:
do_blit (combining_glyphs[i], centerx,
do_blit (combining_glyphs[i], targetx,
-(bounds.height + bounds.y + space
+ combining_glyphs[i]->height));
if (min_devwidth < combining_glyphs[i]->width)
min_devwidth = combining_glyphs[i]->width;
break;
case GRUB_UNICODE_COMB_HEBREW_SHEVA:
case GRUB_UNICODE_COMB_HEBREW_HIRIQ:
case GRUB_UNICODE_COMB_HEBREW_QAMATS:
case GRUB_UNICODE_COMB_HEBREW_TSERE:
case GRUB_UNICODE_COMB_HEBREW_SEGOL:
/* ,
GRUB_UNICODE_COMB_HEBREW_DAGESH = 21*/
/* TODO: placement in final kaf and under reish. */
case GRUB_UNICODE_COMB_HEBREW_HATAF_SEGOL:
case GRUB_UNICODE_COMB_HEBREW_HATAF_PATAH:
case GRUB_UNICODE_COMB_HEBREW_HATAF_QAMATS:
case GRUB_UNICODE_COMB_HEBREW_PATAH:
case GRUB_UNICODE_COMB_HEBREW_QUBUTS:
case GRUB_UNICODE_COMB_HEBREW_METEG:
/* I don't know how ypogegrammeni differs from subscript. */
case GRUB_UNICODE_COMB_YPOGEGRAMMENI:
case GRUB_UNICODE_STACK_BELOW:
@ -1245,7 +1285,7 @@ blit_comb (const struct grub_unicode_glyph *glyph_id,
space = 1 + (grub_font_get_xheight (main_glyph->font)) / 8;
case GRUB_UNICODE_STACK_ATTACHED_BELOW:
do_blit (combining_glyphs[i], centerx,
do_blit (combining_glyphs[i], targetx,
-(bounds.y - space));
if (min_devwidth < combining_glyphs[i]->width)
min_devwidth = combining_glyphs[i]->width;