1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
// Text.hh for FbTk - text utils
// Copyright (c) 2002 - 2003 Henrik Kinnunen (fluxgen at fluxbox dot org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id$
#ifndef FBTK_TEXT_HH
#define FBTK_TEXT_HH
#include <sys/types.h>
namespace FbTk {
class Font;
enum Justify {LEFT, RIGHT, CENTER};
// clockwise
enum Orientation { ROT0=0, ROT90, ROT180, ROT270 };
/**
Aligns the text after max width and bevel
*/
int doAlignment(int max_width, int bevel, FbTk::Justify justify,
const FbTk::Font &font, const char * const text,
size_t textlen, size_t &newlen);
/**
There are 3 interesting translations:
1) Coords = simple rotation of coordinates
2) Position = adjusting (x,y) coordinates to use to position a box with X coords
3) Size = swapping of width and height if necessary
*/
// translate coordinates from ROT0 into different orientations
// coords are relative to rot0 0,0 position
// Need width and height of the area being rotated (in ROT0 coords)
inline void translateCoords(Orientation orient, int &x, int &y, unsigned int w, unsigned int h) {
int orig_x = x;
int orig_y = y;
switch(orient) {
case ROT0:
break;
case ROT90:
x = h - orig_y;
y = orig_x;
break;
case ROT180:
x = w - orig_x;
y = h - orig_y;
break;
case ROT270:
x = orig_y;
y = w - orig_x;
break;
}
}
// still require w and h in ROT0 coords
inline void untranslateCoords(Orientation orient, int &orig_x, int &orig_y, unsigned int w, unsigned int h) {
int x = orig_x;
int y = orig_y;
switch(orient) {
case ROT0:
break;
case ROT90:
orig_y = h - x;
orig_x = y;
break;
case ROT180:
orig_x = w - x;
orig_y = h - y;
break;
case ROT270:
orig_y = x;
orig_x = w - y;
break;
}
}
// When positioning an X11 box inside another area, we need to
// relocate the x,y coordinates
inline void translatePosition(Orientation orient, int &x, int &y, unsigned int w, unsigned int h, unsigned int bw) {
int orig_x = x;
int orig_y = y;
switch(orient) {
case ROT0:
break;
case ROT90:
x -= h + 2*bw;
break;
case ROT180:
x -= w + 2*bw;
y -= h + 2*bw;
break;
case ROT270:
y -= w + 2*bw;
break;
}
}
inline void translateSize(Orientation orient, unsigned int &w, unsigned int &h) {
if (orient == ROT0 || orient == ROT180)
return;
unsigned int tmp;
tmp = w;
w = h;
h = tmp;
}
} // end namespace FbTk
#endif // FBTK_TEXT_HH
|
