summaryrefslogtreecommitdiff
path: root/modules/thai/thai-shaper.c
diff options
context:
space:
mode:
Diffstat (limited to 'modules/thai/thai-shaper.c')
-rw-r--r--modules/thai/thai-shaper.c72
1 files changed, 35 insertions, 37 deletions
diff --git a/modules/thai/thai-shaper.c b/modules/thai/thai-shaper.c
index 4cd98283..5fcbc429 100644
--- a/modules/thai/thai-shaper.c
+++ b/modules/thai/thai-shaper.c
@@ -561,8 +561,6 @@ get_glyphs_list (ThaiFontInfo *font_info,
gint num_chrs,
PangoGlyph *glyph_lists)
{
- PangoGlyph glyph;
- gint xtis_index;
gint i;
switch (font_info->font_set)
@@ -572,26 +570,6 @@ get_glyphs_list (ThaiFontInfo *font_info,
glyph_lists[i] = thai_make_unknown_glyph (font_info, glyph_lists[i]);
return num_chrs;
- case THAI_FONT_XTIS:
- /* If we are rendering with an XTIS font, we try to find a precomposed
- * glyph for the cluster.
- */
- xtis_index = 0x100 * (cluster[0] - 0xe00 + 0x20) + 0x30;
- if (cluster[1])
- xtis_index +=8 * group1_map[cluster[1] - 0xe30];
- if (cluster[2])
- xtis_index += group2_map[cluster[2] - 0xe30];
- glyph = thai_make_glyph (font_info, xtis_index);
- if (thai_has_glyph (font_info, glyph)) {
- glyph_lists[0] = glyph;
- return 1;
- }
- for (i=0; i < num_chrs; i++)
- glyph_lists[i] =
- thai_make_glyph (font_info,
- 0x100 * (cluster[i] - 0xe00 + 0x20) + 0x30);
- return num_chrs;
-
case THAI_FONT_TIS:
/* TIS620-0 + Wtt2.0 Extension
*/
@@ -629,11 +607,21 @@ add_cluster (ThaiFontInfo *font_info,
PangoGlyph glyphs_list[MAX_GLYPHS];
gint num_glyphs;
gint i;
-
- num_glyphs = get_glyphs_list(font_info, cluster, num_chrs, glyphs_list);
- for (i=0; i<num_glyphs; i++)
- add_glyph (font_info, glyphs, cluster_start, glyphs_list[i],
- i == 0 ? FALSE : TRUE);
+
+ if (!isthai (cluster[0]))
+ {
+ g_assert (num_chrs == 1);
+ add_glyph (font_info, glyphs, cluster_start,
+ thai_make_glyph (font_info, cluster[0]),
+ FALSE);
+ }
+ else
+ {
+ num_glyphs = get_glyphs_list(font_info, cluster, num_chrs, glyphs_list);
+ for (i=0; i<num_glyphs; i++)
+ add_glyph (font_info, glyphs, cluster_start, glyphs_list[i],
+ i == 0 ? FALSE : TRUE);
+ }
}
static gboolean
@@ -669,16 +657,26 @@ get_next_cluster(const char *text,
while (p < text + length && n_chars < 3)
{
gunichar current = g_utf8_get_char (p);
-
- if (n_chars == 0 ||
- is_wtt_composible ((gunichar)(cluster[n_chars - 1]), current) ||
- (n_chars == 1 &&
- is_char_type (cluster[0], Cons) &&
- is_char_type (current, SaraAm)) ||
- (n_chars == 2 &&
- is_char_type (cluster[0], Cons) &&
- is_char_type (cluster[1], Tone) &&
- is_char_type (current, SaraAm)))
+
+ /* Non-thai characters get split into a single character cluster */
+ if (!isthai (current))
+ {
+ if (n_chars == 0)
+ {
+ cluster[n_chars++] = current;
+ p = g_utf8_next_char (p);
+ }
+ break;
+ }
+ else if (n_chars == 0 ||
+ is_wtt_composible ((gunichar)(cluster[n_chars - 1]), current) ||
+ (n_chars == 1 &&
+ is_char_type (cluster[0], Cons) &&
+ is_char_type (current, SaraAm)) ||
+ (n_chars == 2 &&
+ is_char_type (cluster[0], Cons) &&
+ is_char_type (cluster[1], Tone) &&
+ is_char_type (current, SaraAm)))
{
cluster[n_chars++] = current;
p = g_utf8_next_char (p);