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This commit is contained in:
Behdad Esfahbod 2010-05-28 20:55:52 -04:00
parent f062ec6bb2
commit fdc322a820
1 changed files with 21 additions and 17 deletions
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38
src/hb-ot-shape.cc
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@ -581,38 +581,42 @@ hb_ot_shape (hb_font_t *font,
hb_form_clusters (buffer); hb_form_clusters (buffer);
/* SUBSTITUTE */ /* SUBSTITUTE */
{
buffer->clear_masks (); buffer->clear_masks ();
/* Mirroring needs to see the original direction */ /* Mirroring needs to see the original direction */
hb_mirror_chars (buffer); hb_mirror_chars (buffer);
original_direction = hb_ensure_native_direction (buffer); original_direction = hb_ensure_native_direction (buffer);
hb_substitute_default (font, face, buffer, features, num_features); hb_substitute_default (font, face, buffer, features, num_features);
substitute_fallback = !hb_ot_substitute_complex (font, face, buffer, features, num_features, original_direction); substitute_fallback = !hb_ot_substitute_complex (font, face, buffer, features, num_features, original_direction);
if (substitute_fallback) if (substitute_fallback)
hb_substitute_complex_fallback (font, face, buffer, features, num_features); hb_substitute_complex_fallback (font, face, buffer, features, num_features);
}
/* POSITION */ /* POSITION */
{
buffer->clear_masks (); buffer->clear_masks ();
hb_position_default (font, face, buffer, features, num_features); hb_position_default (font, face, buffer, features, num_features);
position_fallback = !hb_ot_position_complex (font, face, buffer, features, num_features, original_direction); position_fallback = !hb_ot_position_complex (font, face, buffer, features, num_features, original_direction);
if (position_fallback) if (position_fallback)
hb_position_complex_fallback (font, face, buffer, features, num_features); hb_position_complex_fallback (font, face, buffer, features, num_features);
if (HB_DIRECTION_IS_BACKWARD (buffer->direction)) if (HB_DIRECTION_IS_BACKWARD (buffer->direction))
hb_buffer_reverse (buffer); hb_buffer_reverse (buffer);
if (position_fallback) if (position_fallback)
hb_position_complex_fallback_visual (font, face, buffer, features, num_features); hb_position_complex_fallback_visual (font, face, buffer, features, num_features);
}
buffer->direction = original_direction; buffer->direction = original_direction;
} }