1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
2 // Color.hh for Blackbox - an X11 Window manager
3 // Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh at debian.org>
4 // Copyright (c) 1997 - 2000, 2002 Bradley T Hughes <bhughes at trolltech.com>
6 // Permission is hereby granted, free of charge, to any person obtaining a
7 // copy of this software and associated documentation files (the "Software"),
8 // to deal in the Software without restriction, including without limitation
9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 // and/or sell copies of the Software, and to permit persons to whom the
11 // Software is furnished to do so, subject to the following conditions:
13 // The above copyright notice and this permission notice shall be included in
14 // all copies or substantial portions of the Software.
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 // DEALINGS IN THE SOFTWARE.
38 BColor(const BaseDisplay
* const _display
= 0, unsigned int _screen
= ~(0u));
39 BColor(int _r
, int _g
, int _b
,
40 const BaseDisplay
* const _display
, unsigned int _screen
= ~(0u));
41 BColor(const std::string
&_name
,
42 const BaseDisplay
* const _display
, unsigned int _screen
= ~(0u));
45 inline const std::string
&name(void) const { return colorname
; }
47 inline int red(void) const { return r
; }
48 inline int green(void) const { return g
; }
49 inline int blue(void) const { return b
; }
50 void setRGB(int _r
, int _g
, int _b
) {
57 inline const BaseDisplay
*display(void) const { return dpy
; }
58 inline unsigned int screen(void) const { return scrn
; }
59 void setDisplay(const BaseDisplay
* const _display
,
60 unsigned int _screen
= ~(0u));
62 inline bool isAllocated(void) const { return allocated
; }
64 inline bool isValid(void) const { return r
!= -1 && g
!= -1 && b
!= -1; }
66 unsigned long pixel(void) const;
69 BColor
&operator=(const BColor
&c
);
70 inline bool operator==(const BColor
&c
) const
71 { return (r
== c
.r
&& b
== c
.b
&& b
== c
.b
); }
72 inline bool operator!=(const BColor
&c
) const
73 { return (! operator==(c
)); }
75 static void cleanupColorCache(void);
78 void parseColorName(void);
80 void deallocate(void);
85 const BaseDisplay
*dpy
;
87 std::string colorname
;
89 // global color allocator/deallocator
91 const BaseDisplay
* const display
;
92 const unsigned int screen
;
95 RGB(void) : display(0), screen(~(0u)), r(-1), g(-1), b(-1) { }
96 RGB(const BaseDisplay
* const a
, const unsigned int b
,
97 const int x
, const int y
, const int z
)
98 : display(a
), screen(b
), r(x
), g(y
), b(z
) {}
100 : display(x
.display
), screen(x
.screen
), r(x
.r
), g(x
.g
), b(x
.b
) {}
102 inline bool operator==(const RGB
&x
) const {
103 return display
== x
.display
&&
104 screen
== x
.screen
&&
105 r
== x
.r
&& g
== x
.g
&& b
== x
.b
;
108 inline bool operator<(const RGB
&x
) const {
109 unsigned long p1
, p2
;
110 p1
= (screen
<< 24 | r
<< 16 | g
<< 8 | b
) & 0x00ffffff;
111 p2
= (x
.screen
<< 24 | x
.r
<< 16 | x
.g
<< 8 | x
.b
) & 0x00ffffff;
116 const unsigned long p
;
118 inline PixelRef(void) : p(0), count(0) { }
119 inline PixelRef(const unsigned long x
) : p(x
), count(1) { }
121 typedef std::map
<RGB
,PixelRef
> ColorCache
;
122 typedef ColorCache::value_type ColorCacheItem
;
123 static ColorCache colorcache
;
124 static bool cleancache
;
125 static void doCacheCleanup(void);