2 // Generated by gtkmmproc -- DO NOT MODIFY!
3 #ifndef _PANGOMM_FONTMETRICS_H
4 #define _PANGOMM_FONTMETRICS_H
12 * Copyright (C) 1998-1999 The gtkmm Development Team
14 * This library is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU Library General Public
16 * License as published by the Free Software Foundation; either
17 * version 2 of the License, or (at your option) any later version.
19 * This library is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * Library General Public License for more details.
24 * You should have received a copy of the GNU Library General Public
25 * License along with this library; if not, write to the Free
26 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 #include <pango/pango-font.h>
32 #ifndef DOXYGEN_SHOULD_SKIP_THIS
33 extern "C" { typedef struct _PangoFontMetrics PangoFontMetrics; }
39 /** A Pango::FontMetrics holds the overall metric information for a font (possibly restricted to a script).
44 #ifndef DOXYGEN_SHOULD_SKIP_THIS
45 typedef FontMetrics CppObjectType;
46 typedef PangoFontMetrics BaseObjectType;
48 static GType get_type() G_GNUC_CONST;
49 #endif /* DOXYGEN_SHOULD_SKIP_THIS */
53 explicit FontMetrics(PangoFontMetrics* gobject, bool make_a_copy = true);
55 FontMetrics(const FontMetrics& other);
56 FontMetrics& operator=(const FontMetrics& other);
60 void swap(FontMetrics& other);
62 ///Provides access to the underlying C instance.
63 PangoFontMetrics* gobj() { return gobject_; }
65 ///Provides access to the underlying C instance.
66 const PangoFontMetrics* gobj() const { return gobject_; }
68 ///Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs.
69 PangoFontMetrics* gobj_copy() const;
72 PangoFontMetrics* gobject_;
79 /** Gets the ascent from a font metrics structure. The ascent is
80 * the distance from the baseline to the logical top of a line
81 * of text. (The logical top may be above or below the top of the
82 * actual drawn ink. It is necessary to lay out the text to figure
83 * where the ink will be.)
84 * @return The ascent, in pango units. (1 point == Pango::SCALE pango units.).
86 int get_ascent() const;
88 /** Gets the descent from a font metrics structure. The descent is
89 * the distance from the baseline to the logical bottom of a line
90 * of text. (The logical bottom may be above or below the bottom of the
91 * actual drawn ink. It is necessary to lay out the text to figure
92 * where the ink will be.)
93 * @return The descent, in pango units. (1 point == Pango::SCALE pango units.).
95 int get_descent() const;
97 /** Gets the approximate character width for a font metrics structure.
98 * This is merely a representative value useful, for example, for
99 * determining the initial size for a window. Actual characters in
100 * text will be wider and narrower than this.
101 * @return The character width, in pango units. (1 point == Pango::SCALE pango units.).
103 int get_approximate_char_width() const;
105 /** Gets the approximate digit width for a font metrics structure.
106 * This is merely a representative value useful, for example, for
107 * determining the initial size for a window. Actual digits in
108 * text can be wider and narrower than this, though this value
109 * is generally somewhat more accurate than the result of
110 * pango_font_metrics_get_approximate_digit_width().
111 * @return The digit width, in pango units. (1 point == Pango::SCALE pango units.).
113 int get_approximate_digit_width() const;
116 /** Gets the suggested position to draw the underline.
117 * The value returned is the distance <em>above</em> the
118 * baseline of the top of the underline. Since most fonts have
119 * underline positions beneath the baseline, this value is typically
121 * @return The suggested underline position, in Pango units.
125 int get_underline_position() const;
127 /** Gets the suggested thickness to draw for the underline.
128 * @return The suggested underline thickness, in Pango units.
132 int get_underline_thickness() const;
134 /** Gets the suggested position to draw the strikethrough.
135 * The value returned is the distance <em>above</em> the
136 * baseline of the top of the strikethrough.
137 * @return The suggested strikethrough position, in Pango units.
141 int get_strikethrough_position() const;
143 /** Gets the suggested thickness to draw for the strikethrough.
144 * @return The suggested strikethrough thickness, in Pango units.
148 int get_strikethrough_thickness() const;
159 /** @relates Pango::FontMetrics
160 * @param lhs The left-hand side
161 * @param rhs The right-hand side
163 inline void swap(FontMetrics& lhs, FontMetrics& rhs)
171 /** @relates Pango::FontMetrics
172 * @param object The C instance
173 * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
174 * @result A C++ instance that wraps this C instance.
176 Pango::FontMetrics wrap(PangoFontMetrics* object, bool take_copy = false);
178 #ifndef DOXYGEN_SHOULD_SKIP_THIS
180 class Value<Pango::FontMetrics> : public Glib::Value_Boxed<Pango::FontMetrics>
182 #endif /* DOXYGEN_SHOULD_SKIP_THIS */
186 #endif /* _PANGOMM_FONTMETRICS_H */