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Add default positioning to hb-shape

This commit is contained in:
Behdad Esfahbod 2009-11-05 16:34:47 -05:00
parent c3f9f7e59d
commit 2027f74b28
1 changed files with 24 additions and 4 deletions
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28
src/hb-shape.c
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@ -38,9 +38,9 @@ is_variation_selector (hb_codepoint_t unicode)
}
static void
map_glyphs (hb_font_t *font,
hb_face_t *face,
hb_buffer_t *buffer)
hb_map_glyphs (hb_font_t *font,
hb_face_t *face,
hb_buffer_t *buffer)
{
unsigned int count;
@ -57,6 +57,25 @@ map_glyphs (hb_font_t *font,
IN_CURGLYPH() = hb_font_get_glyph (font, face, IN_CURGLYPH(), 0);
}
static void
hb_position_default (hb_font_t *font,
hb_face_t *face,
hb_buffer_t *buffer)
{
unsigned int count;
hb_buffer_clear_positions (buffer);
count = buffer->in_length;
for (buffer->in_pos = 0; buffer->in_pos < count; buffer->in_pos++) {
hb_glyph_metrics_t metrics;
hb_font_get_glyph_metrics (font, face, IN_CURGLYPH(), &metrics);
CURPOSITION()->x_advance = metrics.x_advance;
CURPOSITION()->y_advance = metrics.y_advance;
}
}
void
hb_shape (hb_font_t *font,
@ -70,9 +89,10 @@ hb_shape (hb_font_t *font,
/* natural direction analysis */
/* OT preprocess */
map_glyphs (font, face, buffer);
hb_map_glyphs (font, face, buffer);
/* GSUB */
hb_position_default (font, face, buffer);
/* Default positioning */
/* GPOS / kern */
}