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Correctly handle back, new_advance.

This commit is contained in:
Eric Mader 2002-09-09 18:11:55 +00:00
parent c880e814a5
commit fb279cb0bf
1 changed files with 16 additions and 9 deletions
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25
src/pango-ot-ruleset.c
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@ -247,18 +247,26 @@ pango_ot_ruleset_shape (PangoOTRuleset *ruleset,
{ {
for (i = 0; i < result_string->length; i++) for (i = 0; i < result_string->length; i++)
{ {
FT_Pos x_pos = outgpos[i].x_pos;
FT_Pos y_pos = outgpos[i].y_pos;
int back = i;
int j; int j;
glyphs->glyphs[i].geometry.x_offset += PANGO_UNITS_26_6 (outgpos[i].x_pos); while (outgpos[back].back != 0)
glyphs->glyphs[i].geometry.y_offset += PANGO_UNITS_26_6 (outgpos[i].y_pos); {
back -= outgpos[back].back;
x_pos += outgpos[back].x_pos;
y_pos += outgpos[back].y_pos;
}
for (j = back; j < i; j++)
glyphs->glyphs[i].geometry.x_offset -= glyphs->glyphs[j].geometry.width;
glyphs->glyphs[i].geometry.x_offset += PANGO_UNITS_26_6(x_pos);
glyphs->glyphs[i].geometry.y_offset += PANGO_UNITS_26_6(y_pos);
for (j = i - outgpos[i].back; j < i; j++)
glyphs->glyphs[i].geometry.x_offset -= glyphs->glyphs[j].geometry.width;
if (outgpos[i].new_advance) if (outgpos[i].new_advance)
/* Can't set new x offset for marks, so just make sure not to increase it. glyphs->glyphs[i].geometry.width = PANGO_UNITS_26_6(outgpos[i].x_advance);
Can do better than this by playing with ->x_offset. */
glyphs->glyphs[i].geometry.width = 0;
else else
glyphs->glyphs[i].geometry.width += PANGO_UNITS_26_6(outgpos[i].x_advance); glyphs->glyphs[i].geometry.width += PANGO_UNITS_26_6(outgpos[i].x_advance);
} }
@ -273,7 +281,6 @@ pango_ot_ruleset_shape (PangoOTRuleset *ruleset,
for (i = 0; i < result_string->length; i++) for (i = 0; i < result_string->length; i++)
{ {
glyphs->glyphs[i].glyph = result_string->string[i]; glyphs->glyphs[i].glyph = result_string->string[i];
glyphs->glyphs[i].glyph = result_string->string[i];
glyphs->log_clusters[i] = result_string->logClusters[i]; glyphs->log_clusters[i] = result_string->logClusters[i];
if (glyphs->log_clusters[i] != last_cluster) if (glyphs->log_clusters[i] != last_cluster)