libgedacairo/edapangorenderer.h

   1 /* gEDA - GPL Electronic Design Automation
   2  * libgedacairo - Rendering gEDA schematics with Cairo
   3  * Copyright (C) 2010-2020 gEDA Contributors (see ChangeLog for details)
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *
  19  * This file based on GDK's gdkpango.h (LGPL V2+)
  20  * Copyright (C) 2000 Red Hat, Inc.
  21  */
  22
  23 #ifndef __EDA_PANGO_RENDERER_H__
  24 #define __EDA_PANGO_RENDERER_H__
  25
  26 G_BEGIN_DECLS
  27
  28 #define EDA_TYPE_PANGO_RENDERER (eda_pango_renderer_get_type ())
  29 #define EDA_PANGO_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EDA_TYPE_PANGO_RENDERER, EdaPangoRenderer))
  30 #define EDA_IS_PANGO_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EDA_TYPE_PANGO_RENDERER))
  31 #define EDA_PANGO_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EDA_TYPE_PANGO_RENDERER), EdaPangoRendererClass)
  32 #define EDA_IS_PANGO_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EDA_TYPE_PANGO_RENDERER))
  33 #define EDA_PANGO_RENDERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EDA_TYPE_PANGO_RENDERER, EdaPangoRendererClass))
  34
  35 typedef struct _EdaPangoRendererClass EdaPangoRendererClass;
  36 typedef struct _EdaPangoRenderer EdaPangoRenderer;
  37 typedef struct _EdaPangoRendererPrivate EdaPangoRendererPrivate;
  38
  39 struct _EdaPangoRendererClass
  40 {
  41   PangoRendererClass parent_class;
  42 };
  43
  44 struct _EdaPangoRenderer
  45 {
  46   PangoRenderer parent_instance;
  47
  48   /* Private members */
  49   EdaPangoRendererPrivate *priv;
  50 };
  51
  52 GType eda_pango_renderer_get_type (void) G_GNUC_CONST;
  53 PangoRenderer *eda_pango_renderer_new (cairo_t *cr) G_GNUC_WARN_UNUSED_RESULT;
  54 void eda_pango_renderer_show_layout (EdaPangoRenderer *renderer,
  55                                      PangoLayout *pl, double x, double y);
  56
  57 /* ---------------------------------------- */
  58
  59 typedef struct _EdaPangoAttrOverbar EdaPangoAttrOverbar;
  60 struct _EdaPangoAttrOverbar
  61 {
  62   PangoAttribute attr;
  63   gboolean overbar;
  64 };
  65
  66 PangoAttrClass *eda_pango_attr_overbar_get_class (void) G_GNUC_CONST;
  67 PangoAttribute *eda_pango_attr_overbar_new (gboolean overbar) G_GNUC_WARN_UNUSED_RESULT;
  68 gboolean eda_is_pango_attr_overbar (PangoAttribute *attr);
  69 gboolean eda_pango_parse_overbars (const gchar *overbar_text,
  70                                    int length,
  71                                    PangoAttrList **attr_list,
  72                                    gchar **text);
  73
  74 G_END_DECLS
  75
  76 #endif /* !__EDA_PANGO_RENDERER_H__ */