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