diff options
Diffstat (limited to 'pango/pangowin32-fontmap.c')
| -rw-r--r-- | pango/pangowin32-fontmap.c | 212 |
1 files changed, 99 insertions, 113 deletions
diff --git a/pango/pangowin32-fontmap.c b/pango/pangowin32-fontmap.c index 92bf7f64..98057170 100644 --- a/pango/pangowin32-fontmap.c +++ b/pango/pangowin32-fontmap.c @@ -33,43 +33,12 @@ #include "pango-utils.h" #include "pangowin32-private.h" -#define PANGO_TYPE_WIN32_FONT_MAP (pango_win32_font_map_get_type ()) -#define PANGO_WIN32_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_WIN32_FONT_MAP, PangoWin32FontMap)) -#define PANGO_WIN32_IS_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_WIN32_FONT_MAP)) - -typedef struct _PangoWin32FontMap PangoWin32FontMap; -typedef struct _PangoWin32FontMapClass PangoWin32FontMapClass; typedef struct _PangoWin32Family PangoWin32Family; typedef struct _PangoWin32SizeInfo PangoWin32SizeInfo; /* Number of freed fonts */ #define MAX_FREED_FONTS 16 -struct _PangoWin32FontMap -{ - PangoFontMap parent_instance; - - PangoWin32FontCache *font_cache; - GQueue *freed_fonts; - - /* Map Pango family names to PangoWin32Family structs */ - GHashTable *families; - - /* Map LOGFONTS (taking into account only the lfFaceName, lfItalic - * and lfWeight fields) to PangoWin32SizeInfo structs. - */ - GHashTable *size_infos; - - int n_fonts; - - double resolution; /* (points / pixel) * PANGO_SCALE */ -}; - -struct _PangoWin32FontMapClass -{ - PangoFontMapClass parent_class; -}; - struct _PangoWin32Family { PangoFontFamily parent_instance; @@ -108,6 +77,11 @@ static void pango_win32_font_map_list_families (PangoFontMap PangoFontFamily ***families, int *n_families); +static PangoFont *pango_win32_font_map_real_find_font (PangoWin32FontMap *win32fontmap, + PangoContext *context, + PangoWin32Face *face, + const PangoFontDescription *description); + static void pango_win32_fontmap_cache_clear (PangoWin32FontMap *win32fontmap); static void pango_win32_insert_font (PangoWin32FontMap *fontmap, @@ -144,42 +118,19 @@ logfont_nosize_equal (gconstpointer v1, && lfp1->lfWeight == lfp2->lfWeight); } -static void -pango_win32_font_map_init (PangoWin32FontMap *win32fontmap) -{ - win32fontmap->families = g_hash_table_new (g_str_hash, g_str_equal); - win32fontmap->size_infos = - g_hash_table_new (logfont_nosize_hash, logfont_nosize_equal); - win32fontmap->n_fonts = 0; -} - -static void -pango_win32_font_map_class_init (PangoWin32FontMapClass *class) -{ - GObjectClass *object_class = G_OBJECT_CLASS (class); - PangoFontMapClass *fontmap_class = PANGO_FONT_MAP_CLASS (class); - - object_class->finalize = pango_win32_font_map_finalize; - fontmap_class->load_font = pango_win32_font_map_load_font; - fontmap_class->list_families = pango_win32_font_map_list_families; - fontmap_class->shape_engine_type = PANGO_RENDER_TYPE_WIN32; - - pango_win32_get_dc (); -} - -static PangoWin32FontMap *fontmap = NULL; - static int CALLBACK pango_win32_inner_enum_proc (LOGFONT *lfp, TEXTMETRIC *metrics, DWORD fontType, LPARAM lParam) { + PangoWin32FontMap *win32fontmap = (PangoWin32FontMap *)lParam; + /* Windows generates synthetic vertical writing versions of East * Asian fonts with @ prepended to their name, ignore them. */ if (lfp->lfFaceName[0] != '@') - pango_win32_insert_font (fontmap, lfp); + pango_win32_insert_font (win32fontmap, lfp); return 1; } @@ -205,6 +156,45 @@ pango_win32_enum_proc (LOGFONT *lfp, return 1; } +static void +pango_win32_font_map_init (PangoWin32FontMap *win32fontmap) +{ + LOGFONT logfont; + + win32fontmap->families = g_hash_table_new (g_str_hash, g_str_equal); + win32fontmap->size_infos = + g_hash_table_new (logfont_nosize_hash, logfont_nosize_equal); + win32fontmap->n_fonts = 0; + + win32fontmap->font_cache = pango_win32_font_cache_new (); + win32fontmap->freed_fonts = g_queue_new (); + + memset (&logfont, 0, sizeof (logfont)); + logfont.lfCharSet = DEFAULT_CHARSET; + EnumFontFamiliesExA (pango_win32_hdc, &logfont, (FONTENUMPROC) pango_win32_enum_proc, + (LPARAM)win32fontmap, 0); + + win32fontmap->resolution = (PANGO_SCALE / (double) GetDeviceCaps (pango_win32_hdc, LOGPIXELSY)) * 72.0; + +} + +static void +pango_win32_font_map_class_init (PangoWin32FontMapClass *class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (class); + PangoFontMapClass *fontmap_class = PANGO_FONT_MAP_CLASS (class); + + class->find_font = pango_win32_font_map_real_find_font; + object_class->finalize = pango_win32_font_map_finalize; + fontmap_class->load_font = pango_win32_font_map_load_font; + fontmap_class->list_families = pango_win32_font_map_list_families; + fontmap_class->shape_engine_type = PANGO_RENDER_TYPE_WIN32; + + pango_win32_get_dc (); +} + +static PangoWin32FontMap *default_fontmap = NULL; + /** * pango_win32_font_map_for_display: * @@ -217,26 +207,15 @@ pango_win32_enum_proc (LOGFONT *lfp, PangoFontMap * pango_win32_font_map_for_display (void) { - LOGFONT logfont; - /* Make sure that the type system is initialized */ g_type_init (); - if (fontmap != NULL) - return PANGO_FONT_MAP (fontmap); + if (default_fontmap != NULL) + return PANGO_FONT_MAP (default_fontmap); - fontmap = g_object_new (PANGO_TYPE_WIN32_FONT_MAP, NULL); + default_fontmap = g_object_new (PANGO_TYPE_WIN32_FONT_MAP, NULL); - fontmap->font_cache = pango_win32_font_cache_new (); - fontmap->freed_fonts = g_queue_new (); - - memset (&logfont, 0, sizeof (logfont)); - logfont.lfCharSet = DEFAULT_CHARSET; - EnumFontFamiliesExA (pango_win32_hdc, &logfont, (FONTENUMPROC) pango_win32_enum_proc, 0, 0); - - fontmap->resolution = (PANGO_SCALE / (double) GetDeviceCaps (pango_win32_hdc, LOGPIXELSY)) * 72.0; - - return PANGO_FONT_MAP (fontmap); + return PANGO_FONT_MAP (default_fontmap); } /** @@ -247,12 +226,12 @@ pango_win32_font_map_for_display (void) void pango_win32_shutdown_display (void) { - if (fontmap) + if (default_fontmap) { - pango_win32_fontmap_cache_clear (fontmap); - g_object_unref (fontmap); + pango_win32_fontmap_cache_clear (default_fontmap); + g_object_unref (default_fontmap); - fontmap = NULL; + default_fontmap = NULL; } } @@ -445,43 +424,9 @@ pango_win32_font_map_load_font (PangoFontMap *fontmap, } if (best_match) - { - GSList *tmp_list = best_match->cached_fonts; - gint size = pango_font_description_get_size (description); - - if (pango_font_description_get_size_is_absolute (description)) - size = (int) 0.5 + (size * win32fontmap->resolution) / PANGO_SCALE; - - PING(("got best match:%s size=%d",best_match->logfont.lfFaceName,size)); - - while (tmp_list) - { - PangoWin32Font *win32font = tmp_list->data; - if (win32font->size == size) - { - PING (("size matches")); - result = (PangoFont *)win32font; - - g_object_ref (result); - if (win32font->in_cache) - pango_win32_fontmap_cache_remove (fontmap, win32font); - - break; - } - tmp_list = tmp_list->next; - } - - if (!result) - { - PangoWin32Font *win32font = pango_win32_font_new (fontmap, &best_match->logfont, size); - - win32font->fontmap = fontmap; - win32font->win32face = best_match; - best_match->cached_fonts = g_slist_prepend (best_match->cached_fonts, win32font); - - result = (PangoFont *)win32font; - } - } + result = PANGO_WIN32_FONT_MAP_GET_CLASS (win32fontmap)->find_font (win32fontmap, context, + best_match, + description); else PING(("no best match!")); } @@ -490,6 +435,47 @@ pango_win32_font_map_load_font (PangoFontMap *fontmap, return result; } +static PangoFont * +pango_win32_font_map_real_find_font (PangoWin32FontMap *win32fontmap, + PangoContext *context, + PangoWin32Face *face, + const PangoFontDescription *description) +{ + PangoFontMap *fontmap = PANGO_FONT_MAP (win32fontmap); + PangoWin32Font *win32font; + GSList *tmp_list = face->cached_fonts; + int size = pango_font_description_get_size (description); + + if (pango_font_description_get_size_is_absolute (description)) + size = (int) 0.5 + (size * win32fontmap->resolution) / PANGO_SCALE; + + PING(("got best match:%s size=%d",face->logfont.lfFaceName,size)); + + while (tmp_list) + { + win32font = tmp_list->data; + if (win32font->size == size) + { + PING (("size matches")); + + g_object_ref (win32font); + if (win32font->in_cache) + pango_win32_fontmap_cache_remove (fontmap, win32font); + + return (PangoFont *)win32font; + } + tmp_list = tmp_list->next; + } + + win32font = pango_win32_font_new (fontmap, &face->logfont, size); + + win32font->fontmap = fontmap; + win32font->win32face = face; + face->cached_fonts = g_slist_prepend (face->cached_fonts, win32font); + + return (PangoFont *)win32font; +} + static gchar * get_family_name (LOGFONT *lfp) { |