diff options
Diffstat (limited to 'pango/pangoft2-fontmap.c')
| -rw-r--r-- | pango/pangoft2-fontmap.c | 984 |
1 files changed, 78 insertions, 906 deletions
diff --git a/pango/pangoft2-fontmap.c b/pango/pangoft2-fontmap.c index 47132f01..ad15e6d1 100644 --- a/pango/pangoft2-fontmap.c +++ b/pango/pangoft2-fontmap.c @@ -43,23 +43,7 @@ #include <windows.h> #endif -typedef struct _PangoFT2SizeInfo PangoFT2SizeInfo; -typedef struct _PangoFT2PatternSet PangoFT2PatternSet; - -/* Number of freed fonts */ -#define MAX_FREED_FONTS 16 - -struct _PangoFT2Family -{ - PangoFontFamily parent_instance; - - PangoFT2FontMap *fontmap; - char *family_name; - - PangoFT2Face **faces; - int n_faces; /* -1 == uninitialized */ -}; - +typedef struct _PangoFT2Family PangoFT2Family; struct _PangoFT2FontMap { @@ -67,7 +51,10 @@ struct _PangoFT2FontMap FT_Library library; - GHashTable *fontset_hash; /* Maps PangoFontDescription -> PangoXftFontSet */ + /* We have one map from PangoFontDescription -> PangoXftPatternSet + * per language tag. + */ + GList *fontset_hash_list; GHashTable *coverage_hash; /* Maps font file name -> PangoCoverage */ GHashTable *fonts; /* Maps XftPattern -> PangoFT2Font */ @@ -80,6 +67,8 @@ struct _PangoFT2FontMap double dpi_x; double dpi_y; + guint closed : 1; + /* Function to call on prepared patterns to do final * config tweaking. */ @@ -88,157 +77,37 @@ struct _PangoFT2FontMap GDestroyNotify substitute_destroy; }; -struct _PangoFT2PatternSet -{ - int n_patterns; - FcPattern **patterns; -}; - -#define PANGO_FT2_TYPE_FAMILY (pango_ft2_family_get_type ()) -#define PANGO_FT2_FAMILY(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_FT2_TYPE_FAMILY, PangoFT2Family)) -#define PANGO_FT2_IS_FAMILY(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_FT2_TYPE_FAMILY)) +/************************************************************ + * Code shared with PangoXft * + ************************************************************/ -#define PANGO_FT2_TYPE_FACE (pango_ft2_face_get_type ()) -#define PANGO_FT2_FACE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_FT2_TYPE_FACE, PangoFT2Face)) -#define PANGO_FT2_IS_FACE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_FT2_TYPE_FACE)) +#define PangoFcFamily PangoFT2Family +#define _PangoFcFamily _PangoFT2Family +#define PangoFcFontMap PangoFT2FontMap +#define PangoFcFont PangoFT2Font -GType pango_ft2_family_get_type (void); -GType pango_ft2_face_get_type (void); +#define PANGO_FC_FONT_MAP PANGO_FT2_FONT_MAP -static void pango_ft2_font_map_init (PangoFT2FontMap *fontmap); -static void pango_ft2_font_map_class_init (PangoFontMapClass *class); -static void pango_ft2_font_map_finalize (GObject *object); -static PangoFont * pango_ft2_font_map_load_font (PangoFontMap *fontmap, - PangoContext *context, - const PangoFontDescription *description); -static PangoFontset *pango_ft2_font_map_load_fontset (PangoFontMap *fontmap, - PangoContext *context, - const PangoFontDescription *desc, - PangoLanguage *language); -static void pango_ft2_font_set_free (PangoFT2PatternSet *font_set); -static void pango_ft2_font_map_list_families (PangoFontMap *fontmap, - PangoFontFamily ***families, - int *n_families); -static void pango_ft2_font_map_cache_remove (PangoFontMap *fontmap, - PangoFT2Font *ft2font); -static void pango_ft2_font_map_cache_clear (PangoFT2FontMap *ft2fontmap); +#define pango_fc_font_map_get_type pango_ft2_font_map_get_type +#define _pango_fc_font_map_add _pango_ft2_font_map_add +#define _pango_fc_font_map_remove _pango_ft2_font_map_remove +#define _pango_fc_font_map_cache_add _pango_ft2_font_map_cache_add +#define _pango_fc_font_map_cache_remove _pango_ft2_font_map_cache_remove +#define _pango_fc_font_map_get_coverage _pango_ft2_font_map_get_coverage +#define _pango_fc_font_map_set_coverage _pango_ft2_font_map_set_coverage +#define _pango_fc_font_desc_from_pattern _pango_ft2_font_desc_from_pattern +#define _pango_fc_font_new _pango_ft2_font_new +#define PANGO_FC_NAME "PangoFT2" +#include "pangofc-fontmap.cI" -static PangoFontClass *parent_class; /* Parent class structure for PangoFT2FontMap */ +/************************************************************* + * FreeType specific code * + *************************************************************/ static PangoFT2FontMap *pango_ft2_global_fontmap = NULL; -GType -pango_ft2_font_map_get_type (void) -{ - static GType object_type = 0; - - if (!object_type) - { - static const GTypeInfo object_info = - { - sizeof (PangoFontMapClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) pango_ft2_font_map_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (PangoFT2FontMap), - 0, /* n_preallocs */ - (GInstanceInitFunc) pango_ft2_font_map_init, - }; - - object_type = g_type_register_static (PANGO_TYPE_FONT_MAP, - "PangoFT2FontMap", - &object_info, 0); - } - - return object_type; -} - -static void -pango_ft2_font_set_free (PangoFT2PatternSet *font_set) -{ - int i; - - for (i = 0; i < font_set->n_patterns; i++) - FcPatternDestroy (font_set->patterns[i]); - - g_free (font_set); -} - -static guint -pango_ft2_pattern_hash (FcPattern *pattern) -{ - FcChar8 *str; - int i; - double d; - guint hash = 0; - - if (FcPatternGetString (pattern, FC_FILE, 0, &str) == FcResultMatch) - hash = g_str_hash ((char *) str); - - if (FcPatternGetInteger (pattern, FC_INDEX, 0, &i) == FcResultMatch) - hash ^= i; - - if (FcPatternGetDouble (pattern, FC_PIXEL_SIZE, 0, &d) == FcResultMatch) - hash ^= (guint) (d*1000.0); - - return hash; -} - -static gboolean -pango_ft2_pattern_equal (FcPattern *pattern1, - FcPattern *pattern2) -{ - return FcPatternEqual (pattern1, pattern2); -} - -static void -pango_ft2_init_fontset_hash (PangoFT2FontMap *ft2fontmap) -{ - if (ft2fontmap->fontset_hash) - g_hash_table_destroy (ft2fontmap->fontset_hash); - - ft2fontmap->fontset_hash = - g_hash_table_new_full ((GHashFunc)pango_font_description_hash, - (GEqualFunc)pango_font_description_equal, - (GDestroyNotify)pango_font_description_free, - (GDestroyNotify)pango_ft2_font_set_free); -} - -static void -pango_ft2_font_map_init (PangoFT2FontMap *ft2fontmap) -{ - ft2fontmap->n_families = -1; - - ft2fontmap->fonts = - g_hash_table_new ((GHashFunc)pango_ft2_pattern_hash, - (GEqualFunc)pango_ft2_pattern_equal); - - pango_ft2_init_fontset_hash (ft2fontmap); - - ft2fontmap->coverage_hash = - g_hash_table_new_full (g_str_hash, g_str_equal, - (GDestroyNotify)g_free, - (GDestroyNotify)pango_coverage_unref); - ft2fontmap->freed_fonts = g_queue_new (); -} - -static void -pango_ft2_font_map_class_init (PangoFontMapClass *class) -{ - GObjectClass *object_class = G_OBJECT_CLASS (class); - - parent_class = g_type_class_peek_parent (class); - - object_class->finalize = pango_ft2_font_map_finalize; - class->load_font = pango_ft2_font_map_load_font; - class->load_fontset = pango_ft2_font_map_load_fontset; - class->list_families = pango_ft2_font_map_list_families; -} - /** * pango_ft2_font_map_new: * @@ -285,6 +154,22 @@ pango_ft2_font_map_new (void) } /** + * pango_ft2_font_map_substitute_changed: + * @fontmap: a #PangoFT2Fontmap + * + * Call this function any time the results of the + * default substitution function set with + * pango_ft2_font_map_set_default_substitute() change. + * That is, if your subsitution function will return different + * results for the same input pattern, you must call this function. + **/ +void +pango_ft2_font_map_substitute_changed (PangoFT2FontMap *fontmap) +{ + pango_fc_clear_fontset_hash_list (fontmap); +} + +/** * pango_ft2_font_map_set_resolution: * @fontmap: a #PangoFT2Fontmap * @dpi_x: dots per inch in the X direction @@ -306,53 +191,6 @@ pango_ft2_font_map_set_resolution (PangoFT2FontMap *fontmap, } /** - * pango_ft2_font_map_set_default_substitute: - * @fontmap: a #PangoFT2Fontmap - * @func: function to call to to do final config tweaking - * on #FcPattern objects. - * @data: data to pass to @func - * @notify: function to call when @data is no longer used. - * - * Sets a function that will be called to do final configuration - * substitution on a #FcPattern before it is used to load - * the font. This function can be used to do things like set - * hinting and antiasing options. - **/ -void -pango_ft2_font_map_set_default_substitute (PangoFT2FontMap *fontmap, - PangoFT2SubstituteFunc func, - gpointer data, - GDestroyNotify notify) -{ - g_return_if_fail (PANGO_FT2_IS_FONT_MAP (fontmap)); - - if (fontmap->substitute_destroy) - fontmap->substitute_destroy (fontmap->substitute_data); - - fontmap->substitute_func = func; - fontmap->substitute_data = data; - fontmap->substitute_destroy = notify; - - pango_ft2_font_map_substitute_changed (fontmap); -} - -/** - * pango_ft2_font_map_substitute_changed: - * @fontmap: a #PangoFT2Fontmap - * - * Call this function any time the results of the - * default substitution function set with - * pango_ft2_font_map_set_default_substitute() change. - * That is, if your subsitution function will return different - * results for the same input pattern, you must call this function. - **/ -void -pango_ft2_font_map_substitute_changed (PangoFT2FontMap *fontmap) -{ - pango_ft2_init_fontset_hash (fontmap); -} - -/** * pango_ft2_font_map_create_context: * @fontmap: a #PangoFT2Fontmap * @@ -374,26 +212,6 @@ pango_ft2_font_map_create_context (PangoFT2FontMap *fontmap) } /** - * pango_ft2_font_map_for_display: - * - * Returns a #PangoFT2FontMap. This font map is cached and should - * not be freed. If the font map is no longer needed, it can - * be released with pango_ft2_shutdown_display(). - * - * Returns: a #PangoFT2FontMap. - **/ -PangoFontMap * -pango_ft2_font_map_for_display (void) -{ - if (pango_ft2_global_fontmap != NULL) - return PANGO_FONT_MAP (pango_ft2_global_fontmap); - - pango_ft2_global_fontmap = (PangoFT2FontMap *)pango_ft2_font_map_new (); - - return PANGO_FONT_MAP (pango_ft2_global_fontmap); -} - -/** * pango_ft2_get_context: * @dpi_x: the horizontal dpi of the target device * @dpi_y: the vertical dpi of the target device @@ -419,6 +237,26 @@ pango_ft2_get_context (double dpi_x, double dpi_y) } /** + * pango_ft2_font_map_for_display: + * + * Returns a #PangoFT2FontMap. This font map is cached and should + * not be freed. If the font map is no longer needed, it can + * be released with pango_ft2_shutdown_display(). + * + * Returns: a #PangoFT2FontMap. + **/ +PangoFontMap * +pango_ft2_font_map_for_display (void) +{ + if (pango_ft2_global_fontmap != NULL) + return PANGO_FONT_MAP (pango_ft2_global_fontmap); + + pango_ft2_global_fontmap = (PangoFT2FontMap *)pango_ft2_font_map_new (); + + return PANGO_FONT_MAP (pango_ft2_global_fontmap); +} + +/** * pango_ft2_shutdown_display: * * Free the global fontmap. (See pango_ft2_font_map_for_display()) @@ -428,7 +266,7 @@ pango_ft2_shutdown_display (void) { if (pango_ft2_global_fontmap) { - pango_ft2_font_map_cache_clear (pango_ft2_global_fontmap); + pango_fc_font_map_cache_clear (pango_ft2_global_fontmap); g_object_unref (G_OBJECT (pango_ft2_global_fontmap)); @@ -436,576 +274,6 @@ pango_ft2_shutdown_display (void) } } - -static void -pango_ft2_font_map_finalize (GObject *object) -{ - PangoFT2FontMap *ft2fontmap = PANGO_FT2_FONT_MAP (object); - - g_queue_free (ft2fontmap->freed_fonts); - g_hash_table_destroy (ft2fontmap->fontset_hash); - g_hash_table_destroy (ft2fontmap->coverage_hash); - - if (ft2fontmap->substitute_destroy) - ft2fontmap->substitute_destroy (ft2fontmap->substitute_data); - - FT_Done_FreeType (ft2fontmap->library); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -/* Add a mapping from xfont->font_pattern to xfont */ -void -_pango_ft2_font_map_add (PangoFontMap *fontmap, - PangoFT2Font *ft2font) -{ - PangoFT2FontMap *ft2fontmap = (PangoFT2FontMap *) fontmap; - - g_hash_table_insert (ft2fontmap->fonts, - ft2font->font_pattern, - ft2font); -} - -/* Remove mapping from xfont->font_pattern to xfont */ -void -_pango_ft2_font_map_remove (PangoFontMap *fontmap, - PangoFT2Font *ft2font) -{ - PangoFT2FontMap *ft2fontmap = (PangoFT2FontMap *) fontmap; - - g_hash_table_remove (ft2fontmap->fonts, - ft2font->font_pattern); -} - -static PangoFT2Family * -create_family (PangoFT2FontMap *ft2fontmap, - const char *family_name) -{ - PangoFT2Family *family = g_object_new (PANGO_FT2_TYPE_FAMILY, NULL); - family->fontmap = ft2fontmap; - family->family_name = g_strdup (family_name); - family->n_faces = -1; - - return family; -} - -static gboolean -is_alias_family (const char *family_name) -{ - switch (family_name[0]) - { - case 'm': - case 'M': - return (g_ascii_strcasecmp (family_name, "monospace") == 0); - case 's': - case 'S': - return (g_ascii_strcasecmp (family_name, "sans") == 0 || - g_ascii_strcasecmp (family_name, "serif") == 0); - } - - return FALSE; -} - -static void -pango_ft2_font_map_list_families (PangoFontMap *fontmap, - PangoFontFamily ***families, - int *n_families) -{ - PangoFT2FontMap *ft2fontmap = (PangoFT2FontMap *)fontmap; - FcFontSet *fontset; - int i; - int count; - - if (ft2fontmap->n_families < 0) - { - FcObjectSet *os = FcObjectSetBuild (FC_FAMILY, NULL); - FcPattern *pat = FcPatternCreate (); - fontset = FcFontList (NULL, pat, os); - FcPatternDestroy (pat); - FcObjectSetDestroy (os); - - ft2fontmap->families = g_new (PangoFT2Family *, fontset->nfont + 3); /* 3 standard aliases */ - - count = 0; - for (i = 0; i < fontset->nfont; i++) - { - FcChar8 *s; - FcResult res; - - res = FcPatternGetString (fontset->fonts[i], FC_FAMILY, 0, &s); - g_assert (res == FcResultMatch); - - if (!is_alias_family (s)) - ft2fontmap->families[count++] = create_family (ft2fontmap, s); - - } - - ft2fontmap->families[count++] = create_family (ft2fontmap, "Sans"); - ft2fontmap->families[count++] = create_family (ft2fontmap, "Serif"); - ft2fontmap->families[count++] = create_family (ft2fontmap, "Monospace"); - - FcFontSetDestroy (fontset); - - ft2fontmap->n_families = count; - } - - if (n_families) - *n_families = ft2fontmap->n_families; - - if (families) - *families = g_memdup (ft2fontmap->families, - ft2fontmap->n_families * sizeof (PangoFontFamily *)); -} - -static int -pango_ft2_convert_weight (PangoWeight pango_weight) -{ - int weight; - - if (pango_weight < (PANGO_WEIGHT_NORMAL + PANGO_WEIGHT_LIGHT) / 2) - weight = FC_WEIGHT_LIGHT; - else if (pango_weight < (PANGO_WEIGHT_NORMAL + 600) / 2) - weight = FC_WEIGHT_MEDIUM; - else if (pango_weight < (600 + PANGO_WEIGHT_BOLD) / 2) - weight = FC_WEIGHT_DEMIBOLD; - else if (pango_weight < (PANGO_WEIGHT_BOLD + PANGO_WEIGHT_ULTRABOLD) / 2) - weight = FC_WEIGHT_BOLD; - else - weight = FC_WEIGHT_BLACK; - - return weight; -} - -static int -pango_ft2_convert_slant (PangoStyle pango_style) -{ - int slant; - - if (pango_style == PANGO_STYLE_ITALIC) - slant = FC_SLANT_ITALIC; - else if (pango_style == PANGO_STYLE_OBLIQUE) - slant = FC_SLANT_OBLIQUE; - else - slant = FC_SLANT_ROMAN; - - return slant; -} - - -static FcPattern * -pango_ft2_make_pattern (const PangoFontDescription *description) -{ - FcPattern *pattern; - PangoStyle pango_style; - int slant; - int weight; - char **families; - int i; - - pango_style = pango_font_description_get_style (description); - - slant = pango_ft2_convert_slant (pango_style); - weight = pango_ft2_convert_weight (pango_font_description_get_weight (description)); - - /* To fool Xft into not munging glyph indices, we open it as glyphs-fontspecific - * then set the encoding ourself - */ - pattern = FcPatternBuild (NULL, - FC_WEIGHT, FcTypeInteger, weight, - FC_SLANT, FcTypeInteger, slant, - FC_SIZE, FcTypeDouble, (double)pango_font_description_get_size (description)/PANGO_SCALE, - NULL); - - families = g_strsplit (pango_font_description_get_family (description), ",", -1); - - for (i = 0; families[i]; i++) - FcPatternAddString (pattern, FC_FAMILY, families[i]); - - g_strfreev (families); - - return pattern; -} - -static PangoFont * -pango_ft2_font_map_new_font (PangoFontMap *fontmap, - FcPattern *match) -{ - PangoFT2FontMap *ft2fontmap = (PangoFT2FontMap *)fontmap; - PangoFT2Font *font; - - /* Look up cache */ - font = g_hash_table_lookup (ft2fontmap->fonts, match); - - if (font) - { - g_object_ref (font); - - /* Revive font from cache */ - if (font->in_cache) - pango_ft2_font_map_cache_remove (fontmap, font); - - return (PangoFont *)font; - } - - return (PangoFont *)_pango_ft2_font_new (fontmap, FcPatternDuplicate (match)); -} - - -static PangoFont * -pango_ft2_font_map_load_font (PangoFontMap *fontmap, - PangoContext *context, - const PangoFontDescription *description) -{ - FcPattern *pattern, *match; - FcResult res; - PangoFont *font; - - pattern = pango_ft2_make_pattern (description); - - match = FcFontMatch (0, pattern, &res); - FcPatternDestroy (pattern); - - font = NULL; - - if (match) - { - font = pango_ft2_font_map_new_font (fontmap, match); - FcPatternDestroy (match); - } - - return font; -} - -static void -pango_ft2_default_substitute (PangoFT2FontMap *fontmap, - FcPattern *pattern) -{ - FcValue v; - - if (fontmap->substitute_func) - fontmap->substitute_func (pattern, fontmap->substitute_data); - - if (FcPatternGet (pattern, FC_DPI, 0, &v) == FcResultNoMatch) - FcPatternAddDouble (pattern, FC_DPI, fontmap->dpi_y); -} - -static PangoFontset * -pango_ft2_font_map_load_fontset (PangoFontMap *fontmap, - PangoContext *context, - const PangoFontDescription *desc, - PangoLanguage *language) -{ - PangoFT2FontMap *ft2fontmap = (PangoFT2FontMap *)fontmap; - FcPattern *pattern, *pattern_copy; - FcPattern *match; - int i; - FcChar8 *family, *family_res; - FcResult res; - GPtrArray *array; - int id; - PangoFT2PatternSet *patterns; - PangoFontsetSimple *simple; - - patterns = g_hash_table_lookup (ft2fontmap->fontset_hash, desc); - - if (patterns == NULL) - { - pattern = pango_ft2_make_pattern (desc); - - if (!FcInit ()) - { - g_warning ("Cannot initialize fontconfig"); - return NULL; - } - FcConfigSubstitute (0, pattern, FcMatchPattern); - FcDefaultSubstitute (pattern); - pango_ft2_default_substitute (ft2fontmap, pattern); - - pattern_copy = FcPatternDuplicate (pattern); - - array = g_ptr_array_new (); - patterns = g_new (PangoFT2PatternSet, 1); - - match = NULL; - id = 0; - while (FcPatternGetString (pattern, FC_FAMILY, id++, &family) == FcResultMatch) - { - FcPatternDel (pattern_copy, FC_FAMILY); - FcPatternAddString (pattern_copy, FC_FAMILY, family); - - match = FcFontMatch (NULL, pattern_copy, &res); - - if (match && - FcPatternGetString (match, FC_FAMILY, 0, &family_res) == FcResultMatch && - FcStrCmpIgnoreCase (family, family_res) == 0) - { - g_ptr_array_add (array, match); - match = NULL; - } - if (match) - FcPatternDestroy (match); - } - - if (array->len == 0) - { - match = FcFontMatch (0, pattern, &res); - g_ptr_array_add (array, match); - } - - FcPatternDestroy (pattern); - FcPatternDestroy (pattern_copy); - - patterns->n_patterns = array->len; - patterns->patterns = (FcPattern **)g_ptr_array_free (array, FALSE); - - g_hash_table_insert (ft2fontmap->fontset_hash, - pango_font_description_copy (desc), - patterns); - } - - simple = pango_fontset_simple_new (language); - - for (i = 0; i < patterns->n_patterns; i++) - pango_fontset_simple_append (simple, - pango_ft2_font_map_new_font (fontmap, patterns->patterns[i])); - - return PANGO_FONTSET (simple); -} - -void -_pango_ft2_font_map_cache_add (PangoFontMap *fontmap, - PangoFT2Font *ft2font) -{ - PangoFT2FontMap *ft2fontmap = PANGO_FT2_FONT_MAP (fontmap); - - if (ft2fontmap->freed_fonts->length == MAX_FREED_FONTS) - { - PangoFT2Font *old_font = g_queue_pop_tail (ft2fontmap->freed_fonts); - g_object_unref (G_OBJECT (old_font)); - } - - g_object_ref (G_OBJECT (ft2font)); - g_queue_push_head (ft2fontmap->freed_fonts, ft2font); - ft2font->in_cache = TRUE; -} - -static void -pango_ft2_font_map_cache_remove (PangoFontMap *fontmap, - PangoFT2Font *ft2font) -{ - PangoFT2FontMap *ft2fontmap = PANGO_FT2_FONT_MAP (fontmap); - - GList *link = g_list_find (ft2fontmap->freed_fonts->head, ft2font); - if (link == ft2fontmap->freed_fonts->tail) - { - ft2fontmap->freed_fonts->tail = ft2fontmap->freed_fonts->tail->prev; - if (ft2fontmap->freed_fonts->tail) - ft2fontmap->freed_fonts->tail->next = NULL; - } - - ft2fontmap->freed_fonts->head = g_list_delete_link (ft2fontmap->freed_fonts->head, link); - ft2fontmap->freed_fonts->length--; - ft2font->in_cache = FALSE; - - g_object_unref (G_OBJECT (ft2font)); -} - -static void -pango_ft2_font_map_cache_clear (PangoFT2FontMap *ft2fontmap) -{ - g_list_foreach (ft2fontmap->freed_fonts->head, (GFunc)g_object_unref, NULL); - g_list_free (ft2fontmap->freed_fonts->head); - ft2fontmap->freed_fonts->head = NULL; - ft2fontmap->freed_fonts->tail = NULL; - ft2fontmap->freed_fonts->length = 0; -} - -/* - * PangoFT2Face - */ - -PangoFontDescription * -_pango_ft2_font_desc_from_pattern (FcPattern *pattern, - gboolean include_size) -{ - PangoFontDescription *desc; - PangoStyle style; - PangoWeight weight; - double size; - - FcChar8 *s; - int i; - - desc = pango_font_description_new (); - - g_assert (FcPatternGetString (pattern, FC_FAMILY, 0, &s) == FcResultMatch); - - pango_font_description_set_family (desc, s); - - if (FcPatternGetInteger (pattern, FC_SLANT, 0, &i) == FcResultMatch) - { - if (i == FC_SLANT_ROMAN) - style = PANGO_STYLE_NORMAL; - else if (i == FC_SLANT_OBLIQUE) - style = PANGO_STYLE_OBLIQUE; - else - style = PANGO_STYLE_ITALIC; - } - else - style = PANGO_STYLE_NORMAL; - - pango_font_description_set_style (desc, style); - - if (FcPatternGetInteger (pattern, FC_WEIGHT, 0, &i) == FcResultMatch) - { - if (i < FC_WEIGHT_LIGHT) - weight = PANGO_WEIGHT_ULTRALIGHT; - else if (i < (FC_WEIGHT_LIGHT + FC_WEIGHT_MEDIUM) / 2) - weight = PANGO_WEIGHT_LIGHT; - else if (i < (FC_WEIGHT_MEDIUM + FC_WEIGHT_DEMIBOLD) / 2) - weight = PANGO_WEIGHT_NORMAL; - else if (i < (FC_WEIGHT_DEMIBOLD + FC_WEIGHT_BOLD) / 2) - weight = 600; - else if (i < (FC_WEIGHT_BOLD + FC_WEIGHT_BLACK) / 2) - weight = PANGO_WEIGHT_BOLD; - else - weight = PANGO_WEIGHT_ULTRABOLD; - } - else - weight = PANGO_WEIGHT_NORMAL; - - if (include_size && FcPatternGetDouble (pattern, FC_SIZE, 0, &size) == FcResultMatch) - pango_font_description_set_size (desc, size * PANGO_SCALE); - - pango_font_description_set_weight (desc, weight); - - pango_font_description_set_variant (desc, PANGO_VARIANT_NORMAL); - pango_font_description_set_stretch (desc, PANGO_STRETCH_NORMAL); - - return desc; -} - - -static PangoFontDescription * -make_alias_description (PangoFT2Family *ft2family, - gboolean bold, - gboolean italic) -{ - PangoFontDescription *desc = pango_font_description_new (); - - pango_font_description_set_family (desc, ft2family->family_name); - pango_font_description_set_style (desc, italic ? PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL); - pango_font_description_set_variant (desc, PANGO_VARIANT_NORMAL); - pango_font_description_set_weight (desc, bold ? PANGO_WEIGHT_BOLD : PANGO_WEIGHT_NORMAL); - pango_font_description_set_stretch (desc, PANGO_STRETCH_NORMAL); - - return desc; -} - -static PangoFontDescription * -pango_ft2_face_describe (PangoFontFace *face) -{ - PangoFT2Face *ft2face = (PangoFT2Face *) face; - PangoFT2Family *ft2family = ft2face->family; - PangoFontDescription *desc = NULL; - FcResult res; - FcPattern *match_pattern; - FcPattern *result_pattern; - - if (is_alias_family (ft2family->family_name)) - { - if (strcmp (ft2face->style, "Regular") == 0) - return make_alias_description (ft2family, FALSE, FALSE); - else if (strcmp (ft2face->style, "Bold") == 0) - return make_alias_description (ft2family, TRUE, FALSE); - else if (strcmp (ft2face->style, "Italic") == 0) - return make_alias_description (ft2family, FALSE, TRUE); - else /* Bold Italic */ - return make_alias_description (ft2family, TRUE, TRUE); - } - - match_pattern = FcPatternBuild (NULL, - FC_FAMILY, FcTypeString, ft2family->family_name, - FC_STYLE, FcTypeString, ft2face->style, - NULL); - - g_assert (match_pattern); - - result_pattern = FcFontMatch (NULL, match_pattern, &res); - if (result_pattern) - { - desc = _pango_ft2_font_desc_from_pattern (result_pattern, FALSE); - FcPatternDestroy (result_pattern); - } - - FcPatternDestroy (match_pattern); - - return desc; -} - -static const char * -pango_ft2_face_get_face_name (PangoFontFace *face) -{ - PangoFT2Face *ft2face = PANGO_FT2_FACE (face); - - return ft2face->style; -} - -static void -pango_ft2_face_class_init (PangoFontFaceClass *class) -{ - class->describe = pango_ft2_face_describe; - class->get_face_name = pango_ft2_face_get_face_name; -} - -GType -pango_ft2_face_get_type (void) -{ - static GType object_type = 0; - - if (!object_type) - { - static const GTypeInfo object_info = - { - sizeof (PangoFontFaceClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) pango_ft2_face_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (PangoFT2Face), - 0, /* n_preallocs */ - (GInstanceInitFunc) NULL, - }; - - object_type = g_type_register_static (PANGO_TYPE_FONT_FACE, - "PangoFT2Face", - &object_info, 0); - } - - return object_type; -} - -void -_pango_ft2_font_map_set_coverage (PangoFontMap *fontmap, - const char *name, - PangoCoverage *coverage) -{ - PangoFT2FontMap *ft2fontmap = (PangoFT2FontMap *)fontmap; - - g_hash_table_insert (ft2fontmap->coverage_hash, g_strdup (name), - pango_coverage_ref (coverage)); -} - -PangoCoverage * -_pango_ft2_font_map_get_coverage (PangoFontMap *fontmap, - const char *name) -{ - PangoFT2FontMap *ft2fontmap = (PangoFT2FontMap *)fontmap; - - return g_hash_table_lookup (ft2fontmap->coverage_hash, name); -} - FT_Library _pango_ft2_font_map_get_library (PangoFontMap *fontmap) { @@ -1014,120 +282,24 @@ _pango_ft2_font_map_get_library (PangoFontMap *fontmap) return ft2fontmap->library; } -/* - * PangoFT2FontFamily - */ -static PangoFT2Face * -create_face (PangoFT2Family *ft2family, - const char *style) -{ - PangoFT2Face *face = g_object_new (PANGO_FT2_TYPE_FACE, NULL); - face->style = g_strdup (style); - face->family = ft2family; - - return face; -} - static void -pango_ft2_family_list_faces (PangoFontFamily *family, - PangoFontFace ***faces, - int *n_faces) -{ - PangoFT2Family *ft2family = PANGO_FT2_FAMILY (family); - - if (ft2family->n_faces < 0) - { - FcFontSet *fontset; - FcPattern *pat; - FcObjectSet *os; - int i; - - if (is_alias_family (ft2family->family_name)) - { - ft2family->n_faces = 4; - ft2family->faces = g_new (PangoFT2Face *, ft2family->n_faces); - - i = 0; - ft2family->faces[i++] = create_face (ft2family, "Regular"); - ft2family->faces[i++] = create_face (ft2family, "Bold"); - ft2family->faces[i++] = create_face (ft2family, "Italic"); - ft2family->faces[i++] = create_face (ft2family, "Bold Italic"); - } - else - { - os = FcObjectSetBuild (FC_STYLE, NULL); - pat = FcPatternBuild (NULL, - FC_FAMILY, FcTypeString, ft2family->family_name, - NULL); - - fontset = FcFontList (NULL, pat, os); - - FcPatternDestroy (pat); - FcObjectSetDestroy (os); - - ft2family->n_faces = fontset->nfont; - ft2family->faces = g_new (PangoFT2Face *, ft2family->n_faces); - - for (i = 0; i < fontset->nfont; i++) - { - FcChar8 *s; - FcResult res; - - res = FcPatternGetString (fontset->fonts[i], FC_STYLE, 0, &s); - g_assert (res == FcResultMatch); - - ft2family->faces[i] = create_face (ft2family, s); - } - - FcFontSetDestroy (fontset); - } - } - - if (n_faces) - *n_faces = ft2family->n_faces; - - if (faces) - *faces = g_memdup (ft2family->faces, ft2family->n_faces * sizeof (PangoFontFace *)); -} - -const char * -pango_ft2_family_get_name (PangoFontFamily *family) +pango_fc_do_finalize (PangoFT2FontMap *fontmap) { - PangoFT2Family *ft2family = PANGO_FT2_FAMILY (family); - return ft2family->family_name; + FT_Done_FreeType (fontmap->library); } static void -pango_ft2_family_class_init (PangoFontFamilyClass *class) +pango_fc_default_substitute (PangoFT2FontMap *fontmap, + FcPattern *pattern) { - class->list_faces = pango_ft2_family_list_faces; - class->get_name = pango_ft2_family_get_name; -} + FcValue v; + + FcConfigSubstitute (NULL, pattern, FcMatchPattern); -GType -pango_ft2_family_get_type (void) -{ - static GType object_type = 0; + if (fontmap->substitute_func) + fontmap->substitute_func (pattern, fontmap->substitute_data); - if (!object_type) - { - static const GTypeInfo object_info = - { - sizeof (PangoFontFamilyClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) pango_ft2_family_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (PangoFT2Family), - 0, /* n_preallocs */ - (GInstanceInitFunc) NULL, - }; - - object_type = g_type_register_static (PANGO_TYPE_FONT_FAMILY, - "PangoFT2Family", - &object_info, 0); - } - - return object_type; + FcDefaultSubstitute (pattern); + if (FcPatternGet (pattern, FC_DPI, 0, &v) == FcResultNoMatch) + FcPatternAddDouble (pattern, FC_DPI, fontmap->dpi_y); } |