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1// XFontImp.hh for FbTk fluxbox toolkit
2// Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
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: XFontImp.hh,v 1.4 2003/01/05 23:39:50 fluxgen Exp $
23
24#ifndef FBTK_XFONTIMP_HH
25#define FBTK_XFONTIMP_HH
26
27#include "FontImp.hh"
28
29#include <X11/Xlib.h>
30
31namespace FbTk {
32
33/// regular X font implementation for FbTk
34class XFontImp:public FbTk::FontImp {
35public:
36 explicit XFontImp(const char *filename = 0);
37 ~XFontImp();
38 bool load(const std::string &filename);
39 unsigned int textWidth(const char * const text, unsigned int size) const;
40 unsigned int height() const;
41 float angle() const { return m_angle; }
42 int ascent() const;
43 int descent() const { return m_fontstruct ? m_fontstruct->descent : 0; }
44 void drawText(Drawable w, int screen, GC gc, const char *text, size_t len, int x, int y) const;
45 bool loaded() const { return m_fontstruct != 0; }
46 void rotate(float angle);
47 /// enable/disable rotation witout alloc/dealloc rotfont structures
48 void setRotate(bool val) { m_rotate = val; }
49private:
50 void freeRotFont();
51 void drawRotText(Drawable w, int screen, GC gc, const char *text, size_t len, int x, int y) const;
52 unsigned int rotTextWidth(const char * const text, unsigned int size) const;
53 struct BitmapStruct {
54 int bit_w;
55 int bit_h;
56
57 Pixmap bm;
58 };
59
60 struct XRotCharStruct {
61 int ascent;
62 int descent;
63 int lbearing;
64 int rbearing;
65 int width;
66
67 BitmapStruct glyph;
68 };
69
70 struct XRotFontStruct {
71 int dir;
72 int height;
73 int max_ascent;
74 int max_descent;
75 int max_char;
76 int min_char;
77
78 XRotCharStruct per_char[95];
79 };
80 XRotFontStruct *m_rotfont; ///< rotated font structure
81 XFontStruct *m_fontstruct; ///< X font structure
82 float m_angle; ///< the rotated angle
83 bool m_rotate; ///< used to disable/enable rotation temprarly without reallocating m_rotfont
84};
85
86}; // end namespace FbTk
87
88#endif // XFONTIMP_HH