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1// DrawUtil.cc for fluxbox
2// Copyright (c) 2001-2002 Henrik Kinnunen (fluxgen@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: DrawUtil.cc,v 1.11 2002/12/01 13:41:55 rathnor Exp $
23
24#include "DrawUtil.hh"
25
26namespace DrawUtil {
27
28int doAlignment(int max_width, int bevel, Font::FontJustify justify,
29 const FbTk::Font &font, const char * const text, size_t textlen, size_t &newlen) {
30
31 if (text == 0 || textlen == 0)
32 return 0;
33
34 int l = font.textWidth(text, textlen) + bevel;
35 size_t dlen = textlen;
36 int dx = bevel;
37 if (l > max_width) {
38 for (; dlen > 0; dlen--) {
39 l = font.textWidth(text, dlen) + bevel;
40 if (l<=max_width)
41 break;
42 }
43 }
44
45 newlen = dlen;
46
47 switch (justify) {
48 case DrawUtil::Font::RIGHT:
49 dx = max_width - l - bevel;
50 break;
51 case DrawUtil::Font::CENTER:
52 dx = (max_width - l)/2;
53 break;
54 case DrawUtil::Font::LEFT:
55 break;
56 }
57
58 return dx;
59}
60
61}; //end namespace DrawUtil