diff options
Diffstat (limited to 'modules/basic')
| -rw-r--r-- | modules/basic/basic-x.c | 218 | ||||
| -rw-r--r-- | modules/basic/basic.c | 218 |
2 files changed, 122 insertions, 314 deletions
diff --git a/modules/basic/basic-x.c b/modules/basic/basic-x.c index dbb71164..f1ac5649 100644 --- a/modules/basic/basic-x.c +++ b/modules/basic/basic-x.c @@ -36,8 +36,8 @@ typedef struct _CharCache CharCache; typedef struct _MaskTable MaskTable; typedef PangoGlyphIndex (*ConvFunc) (CharCache *cache, - gchar *id, - gchar *input); + gchar *id, + gchar *input); struct _Charset { @@ -56,12 +56,10 @@ struct _CharRange struct _MaskTable { guint mask; - int n_els; - char **xlfds; - gint **ranges; - gint *n_ranges; + PangoXCharset *charset_ids; Charset **charsets; - PangoCFont **cfonts; + + int n_charsets; }; struct _CharCache @@ -71,14 +69,14 @@ struct _CharCache }; static PangoGlyphIndex conv_8bit (CharCache *cache, - gchar *id, - char *input); + gchar *id, + char *input); static PangoGlyphIndex conv_euc (CharCache *cache, - gchar *id, - char *input); + gchar *id, + char *input); static PangoGlyphIndex conv_ucs4 (CharCache *cache, - gchar *id, - char *input); + gchar *id, + char *input); #include "tables-big.i" @@ -186,7 +184,6 @@ static void char_cache_free (CharCache *cache) { GSList *tmp_list; - int i; tmp_list = cache->mask_tables; while (tmp_list) @@ -194,20 +191,9 @@ char_cache_free (CharCache *cache) MaskTable *mask_table = tmp_list->data; tmp_list = tmp_list->next; - for (i=0; i<mask_table->n_els; i++) - { - g_free (mask_table->xlfds[i]); - g_free (mask_table->ranges[i]); - if (mask_table->cfonts[i]) - pango_cfont_unref (mask_table->cfonts[i]); - } - - g_free (mask_table->xlfds); - g_free (mask_table->ranges); - g_free (mask_table->n_ranges); + g_free (mask_table->charset_ids); g_free (mask_table->charsets); - g_free (mask_table->cfonts); - + g_free (mask_table); } @@ -219,60 +205,13 @@ char_cache_free (CharCache *cache) g_free (cache); } -static gboolean -check_character (gint *ranges, gint n_ranges, GUChar4 wc) -{ - int start, end, middle; - - start = 0; - end = n_ranges - 1; - - if (ranges[2*start] > wc || ranges[2*end + 1] < wc) - return FALSE; - - while (1) - { - middle = (start + end) / 2; - if (middle == start) - { - if (ranges[2 * middle] > wc || ranges[2 * middle + 1] < wc) - return FALSE; - else - return TRUE; - } - else - { - if (ranges[2*middle] <= wc) - start = middle; - else if (ranges[2*middle + 1] >= wc) - end = middle; - else - return FALSE; - } - } -} - -/* Compare the tail of a to b */ -static gboolean -match_end (char *a, char *b) -{ - size_t len_a = strlen (a); - size_t len_b = strlen (b); - - if (len_b > len_a) - return FALSE; - else - return (strcmp (a + len_a - len_b, b) == 0); -} - -static gboolean -find_char (CharCache *cache, PangoFont *font, GUChar4 wc, char *input, - PangoCFont **cfont, PangoGlyphIndex *glyph) +PangoGlyphIndex +find_char (CharCache *cache, PangoFont *font, GUChar4 wc, char *input) { guint mask = find_char_mask (wc); GSList *tmp_list; MaskTable *mask_table; - int i, j; + int i; tmp_list = cache->mask_tables; while (tmp_list) @@ -287,87 +226,61 @@ find_char (CharCache *cache, PangoFont *font, GUChar4 wc, char *input, if (!tmp_list) { - gchar **charset_list; - gint n_charsets = 0; - + PangoXCharset tmp_charset_ids[MEMBERS(charsets)]; + Charset *tmp_charsets[MEMBERS(charsets)]; + mask_table = g_new (MaskTable, 1); + mask_table->mask = mask; + mask_table->n_charsets = 0; + /* Find the character sets that are included in this mask */ - charset_list = g_new (gchar *, MEMBERS(charsets)); for (i=0; i<MEMBERS(charsets); i++) { if (mask & (1 << i)) - charset_list[n_charsets++] = charsets[i].x_charset; - } - - /* Find the possible xlfds for the charset list - */ - mask_table->mask = mask; - pango_x_list_cfonts (font, charset_list, n_charsets, - &mask_table->xlfds, - &mask_table->n_els); - - g_free (charset_list); - - mask_table->cfonts = g_new0 (PangoCFont *, mask_table->n_els); - - mask_table->ranges = g_new (gint *, mask_table->n_els); - mask_table->n_ranges = g_new (gint, mask_table->n_els); - mask_table->charsets = g_new (Charset *, mask_table->n_els); - - for (i=0; i < mask_table->n_els; i++) - { - pango_x_xlfd_get_ranges (font, - mask_table->xlfds[i], - &mask_table->ranges[i], - &mask_table->n_ranges[i]); - - mask_table->charsets[i] = NULL; - for (j=0; j < MEMBERS(charsets); j++) - if (match_end (mask_table->xlfds[i], charsets[j].x_charset)) - { - mask_table->charsets[i] = &charsets[j]; - break; - } + { + PangoXCharset charset_id = pango_x_find_charset (font, charsets[i].x_charset); + if (charset_id) + { + tmp_charset_ids[mask_table->n_charsets] = charset_id; + tmp_charsets[mask_table->n_charsets] = &charsets[i]; + mask_table->n_charsets++; + } + } } + + mask_table->charset_ids = g_new (PangoXCharset, mask_table->n_charsets); + mask_table->charsets = g_new (Charset *, mask_table->n_charsets); + + memcpy (mask_table->charset_ids, tmp_charset_ids, sizeof(PangoXCharset) * mask_table->n_charsets); + memcpy (mask_table->charsets, tmp_charsets, sizeof(Charset *) * mask_table->n_charsets); cache->mask_tables = g_slist_prepend (cache->mask_tables, mask_table); } - for (i=0; i < mask_table->n_els; i++) + for (i=0; i < mask_table->n_charsets; i++) { - if (mask_table->charsets[i]) - { - PangoGlyphIndex index; + PangoGlyphIndex index; + PangoGlyphIndex glyph; - index = (*mask_table->charsets[i]->conv_func) (cache, mask_table->charsets[i]->id, input); - - if (check_character (mask_table->ranges[i], mask_table->n_ranges[i], index)) - { - if (!mask_table->cfonts[i]) - mask_table->cfonts[i] = pango_x_load_xlfd (font, mask_table->xlfds[i]); - - *cfont = mask_table->cfonts[i]; - pango_cfont_ref (*cfont); + index = (*mask_table->charsets[i]->conv_func) (cache, mask_table->charsets[i]->id, input); - *glyph = index; + glyph = PANGO_X_MAKE_GLYPH (mask_table->charset_ids[i], index); - return TRUE; - } - } + if (pango_x_has_glyph (font, glyph)) + return glyph; } - return FALSE; + return 0; } static void -set_glyph (PangoGlyphString *glyphs, gint i, PangoCFont *cfont, PangoGlyphIndex glyph) +set_glyph (PangoFont *font, PangoGlyphString *glyphs, gint i, PangoGlyphIndex glyph) { gint width; - glyphs->glyphs[i].font = cfont; glyphs->glyphs[i].glyph = glyph; glyphs->geometry[i].x_offset = 0; @@ -375,8 +288,8 @@ set_glyph (PangoGlyphString *glyphs, gint i, PangoCFont *cfont, PangoGlyphIndex glyphs->log_clusters[i] = i; - pango_x_glyph_extents (&glyphs->glyphs[i], - NULL, NULL, &width, NULL, NULL, NULL, NULL); + pango_x_glyph_extents (font, glyphs->glyphs[i].glyph, + NULL, NULL, &width, NULL, NULL, NULL, NULL); glyphs->geometry[i].width = width * 72; } @@ -488,17 +401,17 @@ swap_range (PangoGlyphString *glyphs, int start, int end) } static void -basic_engine_shape (PangoFont *font, - gchar *text, - gint length, - PangoAnalysis *analysis, - PangoGlyphString *glyphs) +basic_engine_shape (PangoFont *font, + gchar *text, + gint length, + PangoAnalysis *analysis, + PangoGlyphString *glyphs) { int n_chars; int i; char *p, *next; - PangoCFont *fallback_font = NULL; + PangoXCharset fallback_charset = 0; CharCache *cache; g_return_if_fail (font != NULL); @@ -511,7 +424,7 @@ basic_engine_shape (PangoFont *font, { cache = char_cache_new (); pango_font_set_data (font, "basic-char-cache", - cache, (GDestroyNotify)char_cache_free); + cache, (GDestroyNotify)char_cache_free); } n_chars = unicode_strlen (text, length); @@ -522,7 +435,6 @@ basic_engine_shape (PangoFont *font, { GUChar4 wc; FriBidiChar mirrored_ch; - PangoCFont *cfont = NULL; PangoGlyphIndex index; _pango_utf8_iterate (p, &next, &wc); @@ -531,12 +443,10 @@ basic_engine_shape (PangoFont *font, if (fribidi_get_mirror_char (wc, &mirrored_ch)) wc = mirrored_ch; - if (find_char (cache, font, wc, p, &cfont, &index)) + index = find_char (cache, font, wc, p); + if (index) { - set_glyph (glyphs, i, cfont, index); - - if (i != 0 && glyphs->glyphs[i-1].font == cfont) - pango_cfont_unref (cfont); + set_glyph (font, glyphs, i, index); if (unicode_type (wc) == UNICODE_NON_SPACING_MARK) { @@ -551,13 +461,10 @@ basic_engine_shape (PangoFont *font, } else { - if (!fallback_font) - fallback_font = pango_x_find_cfont (font, "iso8859-1"); + if (!fallback_charset) + fallback_charset = pango_x_find_charset (font, "iso8859-1"); - if (i == 0 || glyphs->glyphs[i-1].font != fallback_font) - pango_cfont_ref (fallback_font); - - set_glyph (glyphs, i, fallback_font, ' '); + set_glyph (font, glyphs, i, PANGO_X_MAKE_GLYPH (fallback_charset, ' ')); } p = next; @@ -584,9 +491,6 @@ basic_engine_shape (PangoFont *font, start = end; } } - - if (fallback_font) - pango_cfont_unref (fallback_font); } static PangoEngine * diff --git a/modules/basic/basic.c b/modules/basic/basic.c index dbb71164..f1ac5649 100644 --- a/modules/basic/basic.c +++ b/modules/basic/basic.c @@ -36,8 +36,8 @@ typedef struct _CharCache CharCache; typedef struct _MaskTable MaskTable; typedef PangoGlyphIndex (*ConvFunc) (CharCache *cache, - gchar *id, - gchar *input); + gchar *id, + gchar *input); struct _Charset { @@ -56,12 +56,10 @@ struct _CharRange struct _MaskTable { guint mask; - int n_els; - char **xlfds; - gint **ranges; - gint *n_ranges; + PangoXCharset *charset_ids; Charset **charsets; - PangoCFont **cfonts; + + int n_charsets; }; struct _CharCache @@ -71,14 +69,14 @@ struct _CharCache }; static PangoGlyphIndex conv_8bit (CharCache *cache, - gchar *id, - char *input); + gchar *id, + char *input); static PangoGlyphIndex conv_euc (CharCache *cache, - gchar *id, - char *input); + gchar *id, + char *input); static PangoGlyphIndex conv_ucs4 (CharCache *cache, - gchar *id, - char *input); + gchar *id, + char *input); #include "tables-big.i" @@ -186,7 +184,6 @@ static void char_cache_free (CharCache *cache) { GSList *tmp_list; - int i; tmp_list = cache->mask_tables; while (tmp_list) @@ -194,20 +191,9 @@ char_cache_free (CharCache *cache) MaskTable *mask_table = tmp_list->data; tmp_list = tmp_list->next; - for (i=0; i<mask_table->n_els; i++) - { - g_free (mask_table->xlfds[i]); - g_free (mask_table->ranges[i]); - if (mask_table->cfonts[i]) - pango_cfont_unref (mask_table->cfonts[i]); - } - - g_free (mask_table->xlfds); - g_free (mask_table->ranges); - g_free (mask_table->n_ranges); + g_free (mask_table->charset_ids); g_free (mask_table->charsets); - g_free (mask_table->cfonts); - + g_free (mask_table); } @@ -219,60 +205,13 @@ char_cache_free (CharCache *cache) g_free (cache); } -static gboolean -check_character (gint *ranges, gint n_ranges, GUChar4 wc) -{ - int start, end, middle; - - start = 0; - end = n_ranges - 1; - - if (ranges[2*start] > wc || ranges[2*end + 1] < wc) - return FALSE; - - while (1) - { - middle = (start + end) / 2; - if (middle == start) - { - if (ranges[2 * middle] > wc || ranges[2 * middle + 1] < wc) - return FALSE; - else - return TRUE; - } - else - { - if (ranges[2*middle] <= wc) - start = middle; - else if (ranges[2*middle + 1] >= wc) - end = middle; - else - return FALSE; - } - } -} - -/* Compare the tail of a to b */ -static gboolean -match_end (char *a, char *b) -{ - size_t len_a = strlen (a); - size_t len_b = strlen (b); - - if (len_b > len_a) - return FALSE; - else - return (strcmp (a + len_a - len_b, b) == 0); -} - -static gboolean -find_char (CharCache *cache, PangoFont *font, GUChar4 wc, char *input, - PangoCFont **cfont, PangoGlyphIndex *glyph) +PangoGlyphIndex +find_char (CharCache *cache, PangoFont *font, GUChar4 wc, char *input) { guint mask = find_char_mask (wc); GSList *tmp_list; MaskTable *mask_table; - int i, j; + int i; tmp_list = cache->mask_tables; while (tmp_list) @@ -287,87 +226,61 @@ find_char (CharCache *cache, PangoFont *font, GUChar4 wc, char *input, if (!tmp_list) { - gchar **charset_list; - gint n_charsets = 0; - + PangoXCharset tmp_charset_ids[MEMBERS(charsets)]; + Charset *tmp_charsets[MEMBERS(charsets)]; + mask_table = g_new (MaskTable, 1); + mask_table->mask = mask; + mask_table->n_charsets = 0; + /* Find the character sets that are included in this mask */ - charset_list = g_new (gchar *, MEMBERS(charsets)); for (i=0; i<MEMBERS(charsets); i++) { if (mask & (1 << i)) - charset_list[n_charsets++] = charsets[i].x_charset; - } - - /* Find the possible xlfds for the charset list - */ - mask_table->mask = mask; - pango_x_list_cfonts (font, charset_list, n_charsets, - &mask_table->xlfds, - &mask_table->n_els); - - g_free (charset_list); - - mask_table->cfonts = g_new0 (PangoCFont *, mask_table->n_els); - - mask_table->ranges = g_new (gint *, mask_table->n_els); - mask_table->n_ranges = g_new (gint, mask_table->n_els); - mask_table->charsets = g_new (Charset *, mask_table->n_els); - - for (i=0; i < mask_table->n_els; i++) - { - pango_x_xlfd_get_ranges (font, - mask_table->xlfds[i], - &mask_table->ranges[i], - &mask_table->n_ranges[i]); - - mask_table->charsets[i] = NULL; - for (j=0; j < MEMBERS(charsets); j++) - if (match_end (mask_table->xlfds[i], charsets[j].x_charset)) - { - mask_table->charsets[i] = &charsets[j]; - break; - } + { + PangoXCharset charset_id = pango_x_find_charset (font, charsets[i].x_charset); + if (charset_id) + { + tmp_charset_ids[mask_table->n_charsets] = charset_id; + tmp_charsets[mask_table->n_charsets] = &charsets[i]; + mask_table->n_charsets++; + } + } } + + mask_table->charset_ids = g_new (PangoXCharset, mask_table->n_charsets); + mask_table->charsets = g_new (Charset *, mask_table->n_charsets); + + memcpy (mask_table->charset_ids, tmp_charset_ids, sizeof(PangoXCharset) * mask_table->n_charsets); + memcpy (mask_table->charsets, tmp_charsets, sizeof(Charset *) * mask_table->n_charsets); cache->mask_tables = g_slist_prepend (cache->mask_tables, mask_table); } - for (i=0; i < mask_table->n_els; i++) + for (i=0; i < mask_table->n_charsets; i++) { - if (mask_table->charsets[i]) - { - PangoGlyphIndex index; + PangoGlyphIndex index; + PangoGlyphIndex glyph; - index = (*mask_table->charsets[i]->conv_func) (cache, mask_table->charsets[i]->id, input); - - if (check_character (mask_table->ranges[i], mask_table->n_ranges[i], index)) - { - if (!mask_table->cfonts[i]) - mask_table->cfonts[i] = pango_x_load_xlfd (font, mask_table->xlfds[i]); - - *cfont = mask_table->cfonts[i]; - pango_cfont_ref (*cfont); + index = (*mask_table->charsets[i]->conv_func) (cache, mask_table->charsets[i]->id, input); - *glyph = index; + glyph = PANGO_X_MAKE_GLYPH (mask_table->charset_ids[i], index); - return TRUE; - } - } + if (pango_x_has_glyph (font, glyph)) + return glyph; } - return FALSE; + return 0; } static void -set_glyph (PangoGlyphString *glyphs, gint i, PangoCFont *cfont, PangoGlyphIndex glyph) +set_glyph (PangoFont *font, PangoGlyphString *glyphs, gint i, PangoGlyphIndex glyph) { gint width; - glyphs->glyphs[i].font = cfont; glyphs->glyphs[i].glyph = glyph; glyphs->geometry[i].x_offset = 0; @@ -375,8 +288,8 @@ set_glyph (PangoGlyphString *glyphs, gint i, PangoCFont *cfont, PangoGlyphIndex glyphs->log_clusters[i] = i; - pango_x_glyph_extents (&glyphs->glyphs[i], - NULL, NULL, &width, NULL, NULL, NULL, NULL); + pango_x_glyph_extents (font, glyphs->glyphs[i].glyph, + NULL, NULL, &width, NULL, NULL, NULL, NULL); glyphs->geometry[i].width = width * 72; } @@ -488,17 +401,17 @@ swap_range (PangoGlyphString *glyphs, int start, int end) } static void -basic_engine_shape (PangoFont *font, - gchar *text, - gint length, - PangoAnalysis *analysis, - PangoGlyphString *glyphs) +basic_engine_shape (PangoFont *font, + gchar *text, + gint length, + PangoAnalysis *analysis, + PangoGlyphString *glyphs) { int n_chars; int i; char *p, *next; - PangoCFont *fallback_font = NULL; + PangoXCharset fallback_charset = 0; CharCache *cache; g_return_if_fail (font != NULL); @@ -511,7 +424,7 @@ basic_engine_shape (PangoFont *font, { cache = char_cache_new (); pango_font_set_data (font, "basic-char-cache", - cache, (GDestroyNotify)char_cache_free); + cache, (GDestroyNotify)char_cache_free); } n_chars = unicode_strlen (text, length); @@ -522,7 +435,6 @@ basic_engine_shape (PangoFont *font, { GUChar4 wc; FriBidiChar mirrored_ch; - PangoCFont *cfont = NULL; PangoGlyphIndex index; _pango_utf8_iterate (p, &next, &wc); @@ -531,12 +443,10 @@ basic_engine_shape (PangoFont *font, if (fribidi_get_mirror_char (wc, &mirrored_ch)) wc = mirrored_ch; - if (find_char (cache, font, wc, p, &cfont, &index)) + index = find_char (cache, font, wc, p); + if (index) { - set_glyph (glyphs, i, cfont, index); - - if (i != 0 && glyphs->glyphs[i-1].font == cfont) - pango_cfont_unref (cfont); + set_glyph (font, glyphs, i, index); if (unicode_type (wc) == UNICODE_NON_SPACING_MARK) { @@ -551,13 +461,10 @@ basic_engine_shape (PangoFont *font, } else { - if (!fallback_font) - fallback_font = pango_x_find_cfont (font, "iso8859-1"); + if (!fallback_charset) + fallback_charset = pango_x_find_charset (font, "iso8859-1"); - if (i == 0 || glyphs->glyphs[i-1].font != fallback_font) - pango_cfont_ref (fallback_font); - - set_glyph (glyphs, i, fallback_font, ' '); + set_glyph (font, glyphs, i, PANGO_X_MAKE_GLYPH (fallback_charset, ' ')); } p = next; @@ -584,9 +491,6 @@ basic_engine_shape (PangoFont *font, start = end; } } - - if (fallback_font) - pango_cfont_unref (fallback_font); } static PangoEngine * |