1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
16 BColor(const BaseDisplay
* const _display
= 0, unsigned int _screen
= ~(0u));
17 BColor(int _r
, int _g
, int _b
,
18 const BaseDisplay
* const _display
, unsigned int _screen
= ~(0u));
19 BColor(const std::string
&_name
,
20 const BaseDisplay
* const _display
, unsigned int _screen
= ~(0u));
23 inline const std::string
&name(void) const { return colorname
; }
25 inline int red(void) const { return r
; }
26 inline int green(void) const { return g
; }
27 inline int blue(void) const { return b
; }
28 void setRGB(int _r
, int _g
, int _b
) {
35 inline const BaseDisplay
*display(void) const { return dpy
; }
36 inline unsigned int screen(void) const { return scrn
; }
37 void setDisplay(const BaseDisplay
* const _display
,
38 unsigned int _screen
= ~(0u));
40 inline bool isAllocated(void) const { return allocated
; }
42 inline bool isValid(void) const { return r
!= -1 && g
!= -1 && b
!= -1; }
44 unsigned long pixel(void) const;
47 BColor
&operator=(const BColor
&c
);
48 inline bool operator==(const BColor
&c
) const
49 { return (r
== c
.r
&& b
== c
.b
&& b
== c
.b
); }
50 inline bool operator!=(const BColor
&c
) const
51 { return (! operator==(c
)); }
53 static void cleanupColorCache(void);
56 void parseColorName(void);
58 void deallocate(void);
63 const BaseDisplay
*dpy
;
65 std::string colorname
;
67 // global color allocator/deallocator
69 const BaseDisplay
* const display
;
70 const unsigned int screen
;
73 RGB(void) : display(0), screen(~(0u)), r(-1), g(-1), b(-1) { }
74 RGB(const BaseDisplay
* const a
, const unsigned int b
,
75 const int x
, const int y
, const int z
)
76 : display(a
), screen(b
), r(x
), g(y
), b(z
) {}
78 : display(x
.display
), screen(x
.screen
), r(x
.r
), g(x
.g
), b(x
.b
) {}
80 inline bool operator==(const RGB
&x
) const {
81 return display
== x
.display
&&
83 r
== x
.r
&& g
== x
.g
&& b
== x
.b
;
86 inline bool operator<(const RGB
&x
) const {
88 p1
= (screen
<< 24 | r
<< 16 | g
<< 8 | b
) & 0x00ffffff;
89 p2
= (x
.screen
<< 24 | x
.r
<< 16 | x
.g
<< 8 | x
.b
) & 0x00ffffff;
94 const unsigned long p
;
96 inline PixelRef(void) : p(0), count(0) { }
97 inline PixelRef(const unsigned long x
) : p(x
), count(1) { }
99 typedef std::map
<RGB
,PixelRef
> ColorCache
;
100 typedef ColorCache::value_type ColorCacheItem
;
101 static ColorCache colorcache
;
102 static bool cleancache
;
103 static void doCacheCleanup(void);