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Diffstat (limited to 'trunk/pango/pango-context.h')
| -rw-r--r-- | trunk/pango/pango-context.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/trunk/pango/pango-context.h b/trunk/pango/pango-context.h new file mode 100644 index 00000000..5cd88404 --- /dev/null +++ b/trunk/pango/pango-context.h @@ -0,0 +1,113 @@ +/* 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 <pango/pango-font.h> +#include <pango/pango-fontmap.h> +#include <pango/pango-attributes.h> + +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. + */ + +GType pango_context_get_type (void) G_GNUC_CONST; + +#ifdef PANGO_ENABLE_BACKEND +PangoContext *pango_context_new (void); +void pango_context_set_font_map (PangoContext *context, + PangoFontMap *font_map); +#endif /* PANGO_ENABLE_BACKEND */ +PangoFontMap *pango_context_get_font_map (PangoContext *context); + +void pango_context_list_families (PangoContext *context, + PangoFontFamily ***families, + int *n_families); +PangoFont * pango_context_load_font (PangoContext *context, + const PangoFontDescription *desc); +PangoFontset *pango_context_load_fontset (PangoContext *context, + const PangoFontDescription *desc, + PangoLanguage *language); + +PangoFontMetrics *pango_context_get_metrics (PangoContext *context, + const PangoFontDescription *desc, + PangoLanguage *language); + +void pango_context_set_font_description (PangoContext *context, + const PangoFontDescription *desc); +PangoFontDescription * pango_context_get_font_description (PangoContext *context); +PangoLanguage *pango_context_get_language (PangoContext *context); +void pango_context_set_language (PangoContext *context, + PangoLanguage *language); +void pango_context_set_base_dir (PangoContext *context, + PangoDirection direction); +PangoDirection pango_context_get_base_dir (PangoContext *context); +void pango_context_set_base_gravity (PangoContext *context, + PangoGravity gravity); +PangoGravity pango_context_get_base_gravity (PangoContext *context); +PangoGravity pango_context_get_gravity (PangoContext *context); +void pango_context_set_gravity_hint (PangoContext *context, + PangoGravityHint hint); +PangoGravityHint pango_context_get_gravity_hint (PangoContext *context); + +void pango_context_set_matrix (PangoContext *context, + const PangoMatrix *matrix); +G_CONST_RETURN 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 + */ +GList *pango_itemize (PangoContext *context, + const char *text, + int start_index, + int length, + PangoAttrList *attrs, + PangoAttrIterator *cached_iter); +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__ */ |