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1// Text.cc for FbTk - text utils
2// Copyright (c) 2002 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: Text.cc,v 1.1 2002/12/02 20:11:58 fluxgen Exp $
23
24#include "Text.hh"
25
26#include "Font.hh"
27#include "Theme.hh"
28
29#include <strings.h>
30
31namespace FbTk {
32
33int doAlignment(int max_width, int bevel, FbTk::Justify justify,
34 const FbTk::Font &font, const char * const text,
35 unsigned int textlen, unsigned int &newlen) {
36
37 if (text == 0 || textlen == 0)
38 return 0;
39
40 int l = font.textWidth(text, textlen) + bevel;
41 size_t dlen = textlen;
42 int dx = bevel;
43 if (l > max_width) {
44 for (; dlen > 0; dlen--) {
45 l = font.textWidth(text, dlen) + bevel;
46 if (l<=max_width)
47 break;
48 }
49 }
50
51 newlen = dlen;
52
53 switch (justify) {
54 case FbTk::RIGHT:
55 dx = max_width - l - bevel;
56 break;
57 case FbTk::CENTER:
58 dx = (max_width - l)/2;
59 break;
60 case FbTk::LEFT:
61 break;
62 }
63
64 return dx;
65}
66
67/// specialization for Justify
68template <>
69void ThemeItem<FbTk::Justify>::setDefaultValue() {
70 m_value = LEFT;
71}
72
73template <>
74void ThemeItem<FbTk::Justify>::setFromString(const char *value) {
75 if (strcasecmp("center", value) == 0)
76 m_value = FbTk::CENTER;
77 else if (strcasecmp("right", value) == 0)
78 m_value = FbTk::RIGHT;
79 else // default
80 setDefaultValue();
81}
82
83// do nothing
84template <>
85void ThemeItem<FbTk::Justify>::load() {
86}
87
88}; // end namespace FbTk