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1// Font.cc for FbTk
2// Copyright (c) 2002 Henrik Kinnunen (fluxgen at linuxmail.org)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22//$Id: Font.hh,v 1.4 2003/04/14 12:07:03 fluxgen Exp $
23
24#ifndef FBTK_FONT_HH
25#define FBTK_FONT_HH
26
27#include <X11/Xlib.h>
28#include <X11/Xresource.h>
29
30#include <string>
31#include <memory>
32
33namespace FbTk {
34
35class FontImp;
36
37/**
38 Handles the client to fontimp bridge.
39*/
40class Font {
41public:
42
43 Font(const char *name=0, bool antialias = false);
44 virtual ~Font();
45 /**
46 Load a font
47 @return true on success, else false and it'll fall back on the last
48 loaded font
49 */
50 bool load(const char *name);
51
52 /// @return true if multibyte is enabled, else false
53 static bool multibyte() { return m_multibyte; }
54 /// @return true if utf-8 mode is enabled, else false
55 static bool utf8() { return m_utf8mode; }
56 void setAntialias(bool flag);
57 /**
58 @param text text to check size
59 @param size length of text in bytes
60 @return size of text in pixels
61 */
62 unsigned int textWidth(const char * const text, unsigned int size) const;
63 unsigned int height() const;
64 int ascent() const;
65 int descent() const;
66 /**
67 Rotate font in any angle
68 (currently only 90 degrees supported and just XFont implementation)
69 */
70 void rotate(float angle);
71
72 /**
73 Draws text to drawable
74 @param w the drawable
75 @param screen screen number
76 @param gc Graphic Context
77 @param text the text buffer
78 @param len size of text buffer
79 @param x position
80 @param y position
81 @param rotate if the text should be drawn rotated (if it's rotated before)
82 */
83 void drawText(Drawable w, int screen, GC gc,
84 const char *text, size_t len,
85 int x, int y, bool rotate=true) const;
86 bool isAntialias() const { return m_antialias; }
87 /// @return true if the font is rotated, else false
88 bool isRotated() const { return m_rotated; }
89 /// @return rotated angle
90 float angle() const { return m_angle; }
91private:
92
93 std::auto_ptr<FontImp> m_fontimp; ///< font implementation
94 std::string m_fontstr; ///< font name
95 static bool m_multibyte; ///< if the fontimp should be a multibyte font
96 static bool m_utf8mode; ///< should the font use utf8 font imp
97 bool m_antialias; ///< is font antialias
98 bool m_rotated; ///< wheter we're rotated or not
99 float m_angle; ///< rotation angle
100};
101
102}; //end namespace FbTk
103
104#endif //FBTK_FONT_HH