/* Pango * pango-context.h: Rendering contexts * * Copyright (C) 2000 Red Hat Software * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __PANGO_CONTEXT_H__ #define __PANGO_CONTEXT_H__ #include #include #include G_BEGIN_DECLS /* Sort of like a GC - application set information about how * to handle scripts */ /* PangoContext typedefed in pango-fontmap.h */ typedef struct _PangoContextClass PangoContextClass; #define PANGO_TYPE_CONTEXT (pango_context_get_type ()) #define PANGO_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_CONTEXT, PangoContext)) #define PANGO_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_CONTEXT, PangoContextClass)) #define PANGO_IS_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_CONTEXT)) #define PANGO_IS_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_CONTEXT)) #define PANGO_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_CONTEXT, PangoContextClass)) /* The PangoContext and PangoContextClass structs are private; if you * need to create a subclass of these, file a bug. */ PANGO_AVAILABLE_IN_ALL GType pango_context_get_type (void) G_GNUC_CONST; PANGO_AVAILABLE_IN_ALL PangoContext *pango_context_new (void); PANGO_AVAILABLE_IN_1_32 void pango_context_changed (PangoContext *context); PANGO_AVAILABLE_IN_ALL void pango_context_set_font_map (PangoContext *context, PangoFontMap *font_map); PANGO_AVAILABLE_IN_1_6 PangoFontMap *pango_context_get_font_map (PangoContext *context); PANGO_AVAILABLE_IN_1_32 guint pango_context_get_serial (PangoContext *context); PANGO_AVAILABLE_IN_ALL void pango_context_list_families (PangoContext *context, PangoFontFamily ***families, int *n_families); PANGO_AVAILABLE_IN_ALL PangoFont * pango_context_load_font (PangoContext *context, const PangoFontDescription *desc); PANGO_AVAILABLE_IN_ALL PangoFontset *pango_context_load_fontset (PangoContext *context, const PangoFontDescription *desc, PangoLanguage *language); PANGO_AVAILABLE_IN_ALL PangoFontMetrics *pango_context_get_metrics (PangoContext *context, const PangoFontDescription *desc, PangoLanguage *language); PANGO_AVAILABLE_IN_ALL void pango_context_set_font_description (PangoContext *context, const PangoFontDescription *desc); PANGO_AVAILABLE_IN_ALL PangoFontDescription * pango_context_get_font_description (PangoContext *context); PANGO_AVAILABLE_IN_ALL PangoLanguage *pango_context_get_language (PangoContext *context); PANGO_AVAILABLE_IN_ALL void pango_context_set_language (PangoContext *context, PangoLanguage *language); PANGO_AVAILABLE_IN_ALL void pango_context_set_base_dir (PangoContext *context, PangoDirection direction); PANGO_AVAILABLE_IN_ALL PangoDirection pango_context_get_base_dir (PangoContext *context); PANGO_AVAILABLE_IN_1_16 void pango_context_set_base_gravity (PangoContext *context, PangoGravity gravity); PANGO_AVAILABLE_IN_1_16 PangoGravity pango_context_get_base_gravity (PangoContext *context); PANGO_AVAILABLE_IN_1_16 PangoGravity pango_context_get_gravity (PangoContext *context); PANGO_AVAILABLE_IN_1_16 void pango_context_set_gravity_hint (PangoContext *context, PangoGravityHint hint); PANGO_AVAILABLE_IN_1_16 PangoGravityHint pango_context_get_gravity_hint (PangoContext *context); PANGO_AVAILABLE_IN_1_6 void pango_context_set_matrix (PangoContext *context, const PangoMatrix *matrix); PANGO_AVAILABLE_IN_1_6 const PangoMatrix * pango_context_get_matrix (PangoContext *context); /* Break a string of Unicode characters into segments with * consistent shaping/language engine and bidrectional level. * Returns a #GList of #PangoItem's */ PANGO_AVAILABLE_IN_ALL GList *pango_itemize (PangoContext *context, const char *text, int start_index, int length, PangoAttrList *attrs, PangoAttrIterator *cached_iter); PANGO_AVAILABLE_IN_1_4 GList *pango_itemize_with_base_dir (PangoContext *context, PangoDirection base_dir, const char *text, int start_index, int length, PangoAttrList *attrs, PangoAttrIterator *cached_iter); G_END_DECLS #endif /* __PANGO_CONTEXT_H__ */