diff options
Diffstat (limited to 'pango/pangoxft-fontmap.c')
| -rw-r--r-- | pango/pangoxft-fontmap.c | 1056 |
1 files changed, 75 insertions, 981 deletions
diff --git a/pango/pangoxft-fontmap.c b/pango/pangoxft-fontmap.c index 05804e9e..a49cf797 100644 --- a/pango/pangoxft-fontmap.c +++ b/pango/pangoxft-fontmap.c @@ -29,13 +29,8 @@ /* For XExtSetCloseDisplay */ #include <X11/Xlibint.h> -/* Number of freed fonts */ -#define MAX_FREED_FONTS 128 - -typedef struct _PangoXftFontMap PangoXftFontMap; typedef struct _PangoXftFamily PangoXftFamily; -typedef struct _PangoXftFace PangoXftFace; -typedef struct _PangoXftPatternSet PangoXftPatternSet; +typedef struct _PangoXftFontMap PangoXftFontMap; #define PANGO_TYPE_XFT_FONT_MAP (pango_xft_font_map_get_type ()) #define PANGO_XFT_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_XFT_FONT_MAP, PangoXftFontMap)) @@ -60,6 +55,7 @@ struct _PangoXftFontMap Display *display; int screen; + guint closed : 1; /* Function to call on prepared patterns to do final * config tweaking. @@ -69,238 +65,34 @@ struct _PangoXftFontMap GDestroyNotify substitute_destroy; }; -#define PANGO_XFT_TYPE_FAMILY (pango_xft_family_get_type ()) -#define PANGO_XFT_FAMILY(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_XFT_TYPE_FAMILY, PangoXftFamily)) -#define PANGO_XFT_IS_FAMILY(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_XFT_TYPE_FAMILY)) - -struct _PangoXftFamily -{ - PangoFontFamily parent_instance; - - PangoXftFontMap *fontmap; - char *family_name; - - PangoXftFace **faces; - int n_faces; /* -1 == uninitialized */ -}; - -struct _PangoXftPatternSet -{ - int n_patterns; - FcPattern **patterns; -}; - -#define PANGO_XFT_TYPE_FACE (pango_xft_face_get_type ()) -#define PANGO_XFT_FACE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_XFT_TYPE_FACE, PangoXftFace)) -#define PANGO_XFT_IS_FACE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_XFT_TYPE_FACE)) - -struct _PangoXftFace -{ - PangoFontFace parent_instance; - - PangoXftFamily *family; - char *style; -}; +/************************************************************ + * Code shared with PangoFT2 * + ************************************************************/ -static GType pango_xft_font_map_get_type (void); -GType pango_xft_family_get_type (void); -GType pango_xft_face_get_type (void); +#define PangoFcFamily PangoXftFamily +#define _PangoFcFamily _PangoXftFamily +#define PangoFcFontMap PangoXftFontMap +#define PangoFcFont PangoXftFont -static void pango_xft_font_map_init (PangoXftFontMap *fontmap); -static void pango_xft_font_map_class_init (PangoFontMapClass *class); -static void pango_xft_font_map_finalize (GObject *object); -static PangoFont * pango_xft_font_map_load_font (PangoFontMap *fontmap, - PangoContext *context, - const PangoFontDescription *description); -static PangoFontset *pango_xft_font_map_load_fontset (PangoFontMap *fontmap, - PangoContext *context, - const PangoFontDescription *desc, - PangoLanguage *language); -static void pango_xft_font_map_list_families (PangoFontMap *fontmap, - PangoFontFamily ***families, - int *n_families); +#define PANGO_FC_FONT_MAP PANGO_XFT_FONT_MAP +#define pango_fc_font_map_get_type pango_xft_font_map_get_type +#define _pango_fc_font_map_add _pango_xft_font_map_add +#define _pango_fc_font_map_remove _pango_xft_font_map_remove +#define _pango_fc_font_map_cache_add _pango_xft_font_map_cache_add +#define _pango_fc_font_map_cache_remove _pango_xft_font_map_cache_remove +#define _pango_fc_font_map_get_coverage _pango_xft_font_map_get_coverage +#define _pango_fc_font_map_set_coverage _pango_xft_font_map_set_coverage +#define _pango_fc_font_desc_from_pattern _pango_xft_font_desc_from_pattern +#define _pango_fc_font_new _pango_xft_font_new -static void pango_xft_font_set_free (PangoXftPatternSet *font_set); +#define PANGO_FC_NAME "PangoXft" -static void pango_xft_font_map_cache_clear (PangoXftFontMap *xfontmap); -static void pango_xft_font_map_cache_remove (PangoFontMap *fontmap, - PangoXftFont *xfont); +#include "pangofc-fontmap.cI" -static PangoFontClass *parent_class; /* Parent class structure for PangoXftFontMap */ - -static GType -pango_xft_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_xft_font_map_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (PangoXftFontMap), - 0, /* n_preallocs */ - (GInstanceInitFunc) pango_xft_font_map_init, - }; - - object_type = g_type_register_static (PANGO_TYPE_FONT_MAP, - "PangoXftFontMap", - &object_info, 0); - } - - return object_type; -} - -static void -pango_xft_font_map_init (PangoXftFontMap *xfontmap) -{ - xfontmap->n_families = -1; -} - -static void -pango_xft_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_xft_font_map_finalize; - class->load_font = pango_xft_font_map_load_font; - class->load_fontset = pango_xft_font_map_load_fontset; - class->list_families = pango_xft_font_map_list_families; -} - -static GSList *fontmaps = NULL; - -guint -pango_xft_pattern_hash (FcPattern *pattern) -{ -#if 1 - return FcPatternHash (pattern); -#else - /* Hashing only part of the pattern can improve speed a bit. - */ - char *str; - int i; - double d; - guint hash = 0; - - FcPatternGetString (pattern, FC_FILE, 0, (FcChar8 **) &str); - if (str) - hash = g_str_hash (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; -#endif -} - -gboolean -pango_xft_pattern_equal (FcPattern *pattern1, - FcPattern *pattern2) -{ - if (pattern1 == pattern2) - return TRUE; - else - return FcPatternEqual (pattern1, pattern2); -} - -static guint -pango_xft_coverage_key_hash (PangoXftCoverageKey *key) -{ - return g_str_hash (key->filename) ^ key->id; -} - -static gboolean -pango_xft_coverage_key_equal (PangoXftCoverageKey *key1, - PangoXftCoverageKey *key2) -{ - return key1->id == key2->id && strcmp (key1->filename, key2->filename) == 0; -} - -typedef struct _FontsetHashListNode FontsetHashListNode; - -struct _FontsetHashListNode { - GHashTable *fontset_hash; - PangoLanguage *language; -}; - -/* Get the description => fontset map for a particular - * language tag. - */ -static GHashTable * -pango_xft_get_fontset_hash (PangoXftFontMap *xfontmap, - PangoLanguage *language) -{ - /* We treat NULL as a distinct language tag, but - * we should actually determine the real language - * tag it corresponds to to avoid duplicate entries - * in the list. - */ - GList *tmp_list = xfontmap->fontset_hash_list; - while (tmp_list) - { - FontsetHashListNode *node = tmp_list->data; - if (node->language == language) - { - if (tmp_list != xfontmap->fontset_hash_list) - { - /* Put the found node at the beginning - */ - xfontmap->fontset_hash_list = g_list_remove_link (xfontmap->fontset_hash_list, tmp_list); - xfontmap->fontset_hash_list->prev = tmp_list; - tmp_list->next = xfontmap->fontset_hash_list; - xfontmap->fontset_hash_list = tmp_list; - } - - return node->fontset_hash; - } - - tmp_list = tmp_list->next; - } - - { - FontsetHashListNode *node = g_new (FontsetHashListNode, 1); - xfontmap->fontset_hash_list = g_list_prepend (xfontmap->fontset_hash_list, node); - - node->fontset_hash = - g_hash_table_new_full ((GHashFunc)pango_font_description_hash, - (GEqualFunc)pango_font_description_equal, - (GDestroyNotify)pango_font_description_free, - (GDestroyNotify)pango_xft_font_set_free); - node->language = language; - - return node->fontset_hash; - } -} - -static void -pango_xft_clear_fontset_hash_list (PangoXftFontMap *xfontmap) -{ - GList *tmp_list = xfontmap->fontset_hash_list; - while (tmp_list) - { - FontsetHashListNode *node = tmp_list->data; - - g_hash_table_destroy (node->fontset_hash); - g_free (node); - - tmp_list = tmp_list->next; - } - - g_list_free (xfontmap->fontset_hash_list); - xfontmap->fontset_hash_list = NULL; -} +/************************************************************* + * Xft specific code * + *************************************************************/ static PangoFontMap * pango_xft_find_font_map (Display *display, @@ -311,11 +103,11 @@ pango_xft_find_font_map (Display *display, tmp_list = fontmaps; while (tmp_list) { - PangoXftFontMap *xfontmap = tmp_list->data; + PangoXftFontMap *xftfontmap = tmp_list->data; - if (xfontmap->display == display && - xfontmap->screen == screen) - return PANGO_FONT_MAP (xfontmap); + if (xftfontmap->display == display && + xftfontmap->screen == screen) + return PANGO_FONT_MAP (xftfontmap); tmp_list = tmp_list->next; } @@ -337,11 +129,11 @@ close_display_cb (Display *display, tmp_list = fontmaps; while (tmp_list) { - PangoXftFontMap *xfontmap = tmp_list->data; + PangoXftFontMap *xftfontmap = tmp_list->data; tmp_list = tmp_list->next; - if (xfontmap->display == display) - pango_xft_shutdown_display (display, xfontmap->screen); + if (xftfontmap->display == display) + pango_xft_shutdown_display (display, xftfontmap->screen); } registered_displays = g_slist_remove (registered_displays, display); @@ -384,7 +176,7 @@ pango_xft_get_font_map (Display *display, { static gboolean registered_modules = FALSE; PangoFontMap *fontmap; - PangoXftFontMap *xfontmap; + PangoXftFontMap *xftfontmap; g_return_val_if_fail (display != NULL, NULL); @@ -405,34 +197,25 @@ pango_xft_get_font_map (Display *display, if (fontmap) return fontmap; - xfontmap = (PangoXftFontMap *)g_object_new (PANGO_TYPE_XFT_FONT_MAP, NULL); + xftfontmap = (PangoXftFontMap *)g_object_new (PANGO_TYPE_XFT_FONT_MAP, NULL); - xfontmap->display = display; - xfontmap->screen = screen; - - xfontmap->fonts = g_hash_table_new ((GHashFunc)pango_xft_pattern_hash, - (GEqualFunc)pango_xft_pattern_equal); - - xfontmap->coverage_hash = g_hash_table_new_full ((GHashFunc)pango_xft_coverage_key_hash, - (GEqualFunc)pango_xft_coverage_key_equal, - (GDestroyNotify)g_free, - (GDestroyNotify)pango_coverage_unref); - xfontmap->freed_fonts = g_queue_new (); + xftfontmap->display = display; + xftfontmap->screen = screen; register_display (display); - fontmaps = g_slist_prepend (fontmaps, xfontmap); + fontmaps = g_slist_prepend (fontmaps, xftfontmap); - return PANGO_FONT_MAP (xfontmap); + return PANGO_FONT_MAP (xftfontmap); } static void cleanup_font (gpointer key, PangoXftFont *xfont, - PangoXftFontMap *xfontmap) + PangoXftFontMap *xftfontmap) { if (xfont->xft_font) - XftFontClose (xfontmap->display, xfont->xft_font); + XftFontClose (xftfontmap->display, xfont->xft_font); xfont->fontmap = NULL; } @@ -454,16 +237,17 @@ pango_xft_shutdown_display (Display *display, fontmap = pango_xft_find_font_map (display, screen); if (fontmap) { - PangoXftFontMap *xfontmap = PANGO_XFT_FONT_MAP (fontmap); + PangoXftFontMap *xftfontmap = PANGO_XFT_FONT_MAP (fontmap); fontmaps = g_slist_remove (fontmaps, fontmap); - pango_xft_font_map_cache_clear (xfontmap); + pango_fc_font_map_cache_clear (xftfontmap); - g_hash_table_foreach (xfontmap->fonts, (GHFunc)cleanup_font, fontmap); - g_hash_table_destroy (xfontmap->fonts); - xfontmap->fonts = NULL; + g_hash_table_foreach (xftfontmap->fonts, (GHFunc)cleanup_font, fontmap); + g_hash_table_destroy (xftfontmap->fonts); + xftfontmap->fonts = NULL; - xfontmap->display = NULL; + xftfontmap->display = NULL; + xftfontmap->closed = TRUE; g_object_unref (G_OBJECT (fontmap)); } } @@ -489,16 +273,16 @@ pango_xft_set_default_substitute (Display *display, gpointer data, GDestroyNotify notify) { - PangoXftFontMap *xfontmap = (PangoXftFontMap *)pango_xft_get_font_map (display, screen); + PangoXftFontMap *xftfontmap = (PangoXftFontMap *)pango_xft_get_font_map (display, screen); - if (xfontmap->substitute_destroy) - xfontmap->substitute_destroy (xfontmap->substitute_data); + if (xftfontmap->substitute_destroy) + xftfontmap->substitute_destroy (xftfontmap->substitute_data); - xfontmap->substitute_func = func; - xfontmap->substitute_data = data; - xfontmap->substitute_destroy = notify; + xftfontmap->substitute_func = func; + xftfontmap->substitute_data = data; + xftfontmap->substitute_destroy = notify; - pango_xft_clear_fontset_hash_list (xfontmap); + pango_fc_clear_fontset_hash_list (xftfontmap); } /** @@ -515,9 +299,22 @@ void pango_xft_substitute_changed (Display *display, int screen) { - PangoXftFontMap *xfontmap = (PangoXftFontMap *)pango_xft_get_font_map (display, screen); + PangoXftFontMap *xftfontmap = (PangoXftFontMap *)pango_xft_get_font_map (display, screen); - pango_xft_clear_fontset_hash_list (xfontmap); + pango_fc_clear_fontset_hash_list (xftfontmap); +} + +void +_pango_xft_font_map_get_info (PangoFontMap *fontmap, + Display **display, + int *screen) +{ + PangoXftFontMap *xftfontmap = PANGO_XFT_FONT_MAP (fontmap); + + if (display) + *display = xftfontmap->display; + if (screen) + *screen = xftfontmap->screen; } /** @@ -545,719 +342,16 @@ pango_xft_get_context (Display *display, } static void -pango_xft_font_map_finalize (GObject *object) -{ - PangoXftFontMap *xfontmap = PANGO_XFT_FONT_MAP (object); - - fontmaps = g_slist_remove (fontmaps, object); - - if (xfontmap->substitute_destroy) - xfontmap->substitute_destroy (xfontmap->substitute_data); - - pango_xft_font_map_cache_clear (xfontmap); - g_queue_free (xfontmap->freed_fonts); - pango_xft_clear_fontset_hash_list (xfontmap); - g_hash_table_destroy (xfontmap->coverage_hash); - - if (xfontmap->fonts) - g_hash_table_destroy (xfontmap->fonts); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - - -/* Add a mapping from xfont->font_pattern to xfont */ -void -_pango_xft_font_map_add (PangoFontMap *fontmap, - PangoXftFont *xfont) -{ - PangoXftFontMap *xfontmap = PANGO_XFT_FONT_MAP (fontmap); - - g_hash_table_insert (xfontmap->fonts, - xfont->font_pattern, - xfont); -} - -/* Remove mapping from xfont->font_pattern to xfont */ -void -_pango_xft_font_map_remove (PangoFontMap *fontmap, - PangoXftFont *xfont) -{ - PangoXftFontMap *xfontmap = PANGO_XFT_FONT_MAP (fontmap); - - g_hash_table_remove (xfontmap->fonts, - xfont->font_pattern); -} - -static PangoXftFamily * -create_family (PangoXftFontMap *xfontmap, - const char *family_name) -{ - PangoXftFamily *family = g_object_new (PANGO_XFT_TYPE_FAMILY, NULL); - family->fontmap = xfontmap; - family->family_name = g_strdup (family_name); - - 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_xft_font_map_list_families (PangoFontMap *fontmap, - PangoFontFamily ***families, - int *n_families) -{ - PangoXftFontMap *xfontmap = PANGO_XFT_FONT_MAP (fontmap); - FcFontSet *fontset; - int i; - int count; - - if (!xfontmap->display) - { - if (families) - *families = NULL; - if (n_families) - n_families = 0; - - return; - } - - if (xfontmap->n_families < 0) - { - fontset = XftListFonts (xfontmap->display, xfontmap->screen, - NULL, - FC_FAMILY, - NULL); - - xfontmap->families = g_new (PangoXftFamily *, fontset->nfont + 3); /* 3 standard aliases */ - - count = 0; - for (i = 0; i < fontset->nfont; i++) - { - char *s; - FcResult res; - - res = FcPatternGetString (fontset->fonts[i], FC_FAMILY, 0, (FcChar8 **) &s); - g_assert (res == FcResultMatch); - - if (!is_alias_family (s)) - xfontmap->families[count++] = create_family (xfontmap, s); - } - - FcFontSetDestroy (fontset); - - xfontmap->families[count++] = create_family (xfontmap, "Sans"); - xfontmap->families[count++] = create_family (xfontmap, "Serif"); - xfontmap->families[count++] = create_family (xfontmap, "Monospace"); - - xfontmap->n_families = count; - } - - if (n_families) - *n_families = xfontmap->n_families; - - if (families) - *families = g_memdup (xfontmap->families, xfontmap->n_families * sizeof (PangoFontFamily *)); -} - -static int -pango_xft_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_xft_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_xft_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_xft_convert_slant (pango_style); - weight = pango_xft_convert_weight (pango_font_description_get_weight (description)); - - pattern = FcPatternBuild (0, - 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_xft_font_map_new_font (PangoFontMap *fontmap, - FcPattern *match) -{ - PangoXftFontMap *xfontmap = (PangoXftFontMap *)fontmap; - PangoXftFont *font; - - /* Returning NULL here actually violates a contract - * that loading load_font() will never return NULL. - * We probably should actually create a dummy - * font that doesn't draw anything and has empty - * metrics. - */ - if (!xfontmap->display) - return NULL; - - /* Look up cache */ - font = g_hash_table_lookup (xfontmap->fonts, match); - - if (font) - { - g_object_ref (font); - - /* Revive font from cache */ - if (font->in_cache) - pango_xft_font_map_cache_remove (fontmap, font); - - return (PangoFont *)font; - } - - FcPatternReference (match); - return (PangoFont *)_pango_xft_font_new (fontmap, match); -} - -static PangoXftPatternSet * -pango_xft_font_map_get_patterns (PangoFontMap *fontmap, - PangoContext *context, - const PangoFontDescription *desc, - PangoLanguage *language) -{ - PangoXftFontMap *xfontmap = (PangoXftFontMap *)fontmap; - FcPattern *pattern, *font_pattern; - FcResult res; - int f; - PangoXftPatternSet *patterns; - FcFontSet *font_patterns; - GHashTable *fontset_hash; - - if (!language && context) - language = pango_context_get_language (context); - - fontset_hash = pango_xft_get_fontset_hash (xfontmap, language); - patterns = g_hash_table_lookup (fontset_hash, desc); - - if (patterns == NULL) - { - pattern = pango_xft_make_pattern (desc); - if (language) - FcPatternAddString (pattern, FC_LANG, (FcChar8 *) pango_language_to_string (language)); - - FcConfigSubstitute (NULL, pattern, FcMatchPattern); - if (xfontmap->substitute_func) - xfontmap->substitute_func (pattern, xfontmap->substitute_data); - XftDefaultSubstitute (xfontmap->display, xfontmap->screen, pattern); - - font_patterns = FcFontSort (NULL, pattern, FcTrue, 0, &res); - - if (!font_patterns) - return NULL; - - patterns = g_new (PangoXftPatternSet, 1); - patterns->patterns = g_new (FcPattern *, font_patterns->nfont); - patterns->n_patterns = 0; - - for (f = 0; f < font_patterns->nfont; f++) - { - font_pattern = FcFontRenderPrepare (NULL, pattern, - font_patterns->fonts[f]); - - if (font_pattern) - patterns->patterns[patterns->n_patterns++] = font_pattern; - } - - FcPatternDestroy (pattern); - - FcFontSetSortDestroy (font_patterns); - - g_hash_table_insert (fontset_hash, - pango_font_description_copy (desc), - patterns); - } - - return patterns; -} - -static PangoFont * -pango_xft_font_map_load_font (PangoFontMap *fontmap, - PangoContext *context, - const PangoFontDescription *description) -{ - PangoXftPatternSet *patterns = pango_xft_font_map_get_patterns (fontmap, context, description, NULL); - if (!patterns) - return NULL; - - if (patterns->n_patterns > 0) - return pango_xft_font_map_new_font (fontmap, patterns->patterns[0]); - - return NULL; -} - -static void -pango_xft_font_set_free (PangoXftPatternSet *font_set) -{ - int i; - - for (i = 0; i < font_set->n_patterns; i++) - FcPatternDestroy (font_set->patterns[i]); - - g_free (font_set); -} - - -static PangoFontset * -pango_xft_font_map_load_fontset (PangoFontMap *fontmap, - PangoContext *context, - const PangoFontDescription *desc, - PangoLanguage *language) -{ - PangoFontsetSimple *simple; - int i; - PangoXftPatternSet *patterns = pango_xft_font_map_get_patterns (fontmap, context, desc, language); - if (!patterns) - return NULL; - - simple = pango_fontset_simple_new (language); - - for (i = 0; i < patterns->n_patterns; i++) - { - PangoFont *font = pango_xft_font_map_new_font (fontmap, patterns->patterns[i]); - if (font) - pango_fontset_simple_append (simple, font); - } - - return PANGO_FONTSET (simple); -} - - -void -_pango_xft_font_map_cache_add (PangoFontMap *fontmap, - PangoXftFont *xfont) -{ - PangoXftFontMap *xfontmap = PANGO_XFT_FONT_MAP (fontmap); - - g_object_ref (G_OBJECT (xfont)); - g_queue_push_head (xfontmap->freed_fonts, xfont); - xfont->in_cache = TRUE; - - if (xfontmap->freed_fonts->length > MAX_FREED_FONTS) - { - GObject *old_font = g_queue_pop_tail (xfontmap->freed_fonts); - g_object_unref (old_font); - } -} - -static void -pango_xft_font_map_cache_remove (PangoFontMap *fontmap, - PangoXftFont *xfont) -{ - PangoXftFontMap *xfontmap = PANGO_XFT_FONT_MAP (fontmap); - - GList *link = g_list_find (xfontmap->freed_fonts->head, xfont); - if (link == xfontmap->freed_fonts->tail) - { - xfontmap->freed_fonts->tail = xfontmap->freed_fonts->tail->prev; - if (xfontmap->freed_fonts->tail) - xfontmap->freed_fonts->tail->next = NULL; - } - - xfontmap->freed_fonts->head = g_list_delete_link (xfontmap->freed_fonts->head, link); - xfontmap->freed_fonts->length--; - xfont->in_cache = FALSE; - - g_object_unref (G_OBJECT (xfont)); -} - -static void -pango_xft_font_map_cache_clear (PangoXftFontMap *xfontmap) -{ - g_list_foreach (xfontmap->freed_fonts->head, (GFunc)g_object_unref, NULL); - g_list_free (xfontmap->freed_fonts->head); - xfontmap->freed_fonts->head = NULL; - xfontmap->freed_fonts->tail = NULL; - xfontmap->freed_fonts->length = 0; -} - -void -_pango_xft_font_map_set_coverage (PangoFontMap *fontmap, - const PangoXftCoverageKey *key, - PangoCoverage *coverage) -{ - PangoXftFontMap *xfontmap = PANGO_XFT_FONT_MAP (fontmap); - PangoXftCoverageKey *key_dup; - - key_dup = g_malloc (sizeof (PangoXftCoverageKey) + strlen (key->filename) + 1); - key_dup->id = key->id; - key_dup->filename = (char *) (key_dup + 1); - strcpy (key_dup->filename, key->filename); - - g_hash_table_insert (xfontmap->coverage_hash, - key_dup, pango_coverage_ref (coverage)); -} - -PangoCoverage * -_pango_xft_font_map_get_coverage (PangoFontMap *fontmap, - const PangoXftCoverageKey *key) -{ - PangoXftFontMap *xfontmap = PANGO_XFT_FONT_MAP (fontmap); - - return g_hash_table_lookup (xfontmap->coverage_hash, key); -} - -void -_pango_xft_font_map_get_info (PangoFontMap *fontmap, - Display **display, - int *screen) -{ - PangoXftFontMap *xfontmap = PANGO_XFT_FONT_MAP (fontmap); - - if (display) - *display = xfontmap->display; - if (screen) - *screen = xfontmap->screen; -} - - -/* - * PangoXftFace - */ - -PangoFontDescription * -_pango_xft_font_desc_from_pattern (FcPattern *pattern, gboolean include_size) -{ - PangoFontDescription *desc; - PangoStyle style; - PangoWeight weight; - double size; - - char *s; - int i; - - desc = pango_font_description_new (); - - g_assert (FcPatternGetString (pattern, FC_FAMILY, 0, (FcChar8 **) &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 (PangoXftFamily *xfamily, - gboolean bold, - gboolean italic) -{ - PangoFontDescription *desc = pango_font_description_new (); - - pango_font_description_set_family (desc, xfamily->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_xft_face_describe (PangoFontFace *face) -{ - PangoXftFace *xface = PANGO_XFT_FACE (face); - PangoXftFamily *xfamily = xface->family; - PangoXftFontMap *xfontmap = xfamily->fontmap; - PangoFontDescription *desc = NULL; - FcResult res; - FcPattern *match_pattern; - FcPattern *result_pattern; - - if (is_alias_family (xfamily->family_name)) - { - if (strcmp (xface->style, "Regular") == 0) - return make_alias_description (xfamily, FALSE, FALSE); - else if (strcmp (xface->style, "Bold") == 0) - return make_alias_description (xfamily, TRUE, FALSE); - else if (strcmp (xface->style, "Italic") == 0) - return make_alias_description (xfamily, FALSE, TRUE); - else /* Bold Italic */ - return make_alias_description (xfamily, TRUE, TRUE); - } - - match_pattern = FcPatternBuild (NULL, - FC_FAMILY, FcTypeString, xfamily->family_name, - FC_STYLE, FcTypeString, xface->style, - NULL); - - g_assert (match_pattern); - - result_pattern = XftFontMatch (xfontmap->display, xfontmap->screen, match_pattern, &res); - if (result_pattern) - { - desc = _pango_xft_font_desc_from_pattern (result_pattern, FALSE); - FcPatternDestroy (result_pattern); - } - - FcPatternDestroy (match_pattern); - - return desc; -} - -static const char * -pango_xft_face_get_face_name (PangoFontFace *face) -{ - PangoXftFace *xface = PANGO_XFT_FACE (face); - - return xface->style; -} - -static void -pango_xft_face_class_init (PangoFontFaceClass *class) +pango_fc_do_finalize (PangoXftFontMap *fontmap) { - class->describe = pango_xft_face_describe; - class->get_face_name = pango_xft_face_get_face_name; -} - -GType -pango_xft_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_xft_face_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (PangoXftFace), - 0, /* n_preallocs */ - (GInstanceInitFunc) NULL, - }; - - object_type = g_type_register_static (PANGO_TYPE_FONT_FACE, - "PangoXftFace", - &object_info, 0); - } - - return object_type; -} - -/* - * PangoXFontFamily - */ -static PangoXftFace * -create_face (PangoXftFamily *xfamily, - const char *style) -{ - PangoXftFace *face = g_object_new (PANGO_XFT_TYPE_FACE, NULL); - face->style = g_strdup (style); - face->family = xfamily; - - return face; -} - -static void -pango_xft_family_list_faces (PangoFontFamily *family, - PangoFontFace ***faces, - int *n_faces) -{ - PangoXftFamily *xfamily = PANGO_XFT_FAMILY (family); - PangoXftFontMap *xfontmap = xfamily->fontmap; - - if (xfamily->n_faces < 0) - { - FcFontSet *fontset; - int i; - - if (is_alias_family (xfamily->family_name) || !xfontmap->display) - { - xfamily->n_faces = 4; - xfamily->faces = g_new (PangoXftFace *, xfamily->n_faces); - - i = 0; - xfamily->faces[i++] = create_face (xfamily, "Regular"); - xfamily->faces[i++] = create_face (xfamily, "Bold"); - xfamily->faces[i++] = create_face (xfamily, "Italic"); - xfamily->faces[i++] = create_face (xfamily, "Bold Italic"); - } - else - { - fontset = XftListFonts (xfontmap->display, xfontmap->screen, - FC_FAMILY, FcTypeString, xfamily->family_name, - NULL, - FC_STYLE, - NULL); - - xfamily->n_faces = fontset->nfont; - xfamily->faces = g_new (PangoXftFace *, xfamily->n_faces); - - for (i = 0; i < fontset->nfont; i++) - { - FcChar8 *s; - FcResult res; - - res = FcPatternGetString (fontset->fonts[i], FC_STYLE, 0, (FcChar8 **) &s); - if (res != FcResultMatch) - s = "Regular"; - - xfamily->faces[i] = create_face (xfamily, s); - } - - FcFontSetDestroy (fontset); - } - } - - if (n_faces) - *n_faces = xfamily->n_faces; - - if (faces) - *faces = g_memdup (xfamily->faces, xfamily->n_faces * sizeof (PangoFontFace *)); -} - -const char * -pango_xft_family_get_name (PangoFontFamily *family) -{ - PangoXftFamily *xfamily = PANGO_XFT_FAMILY (family); - - return xfamily->family_name; } static void -pango_xft_family_class_init (PangoFontFamilyClass *class) +pango_fc_default_substitute (PangoXftFontMap *fontmap, + FcPattern *pattern) { - class->list_faces = pango_xft_family_list_faces; - class->get_name = pango_xft_family_get_name; -} - -void -pango_xft_family_init (PangoXftFamily *xfamily) -{ - xfamily->n_faces = -1; -} - -GType -pango_xft_family_get_type (void) -{ - static GType object_type = 0; - - if (!object_type) - { - static const GTypeInfo object_info = - { - sizeof (PangoFontFamilyClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) pango_xft_family_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (PangoXftFamily), - 0, /* n_preallocs */ - (GInstanceInitFunc) pango_xft_family_init, - }; - - object_type = g_type_register_static (PANGO_TYPE_FONT_FAMILY, - "PangoXftFamily", - &object_info, 0); - } - - return object_type; + FcConfigSubstitute (NULL, pattern, FcMatchPattern); + if (fontmap->substitute_func) + fontmap->substitute_func (pattern, fontmap->substitute_data); + XftDefaultSubstitute (fontmap->display, fontmap->screen, pattern); } |