]>
Dogcows Code - chaz/openbox/blob - otk/rendercolor.cc
1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
5 #include "rendercolor.hh"
7 #include "screeninfo.hh"
8 #include "rendercontrol.hh"
14 std::map
<unsigned long, RenderColor::CacheItem
*> *RenderColor::_cache
= 0;
16 void RenderColor::initialize()
18 _cache
= new std::map
<unsigned long, CacheItem
*>[ScreenCount(**display
)];
21 void RenderColor::destroy()
26 RenderColor::RenderColor(int screen
, unsigned char red
,
27 unsigned char green
, unsigned char blue
)
37 RenderColor::RenderColor(int screen
, RGB rgb
)
47 void RenderColor::create() const
49 unsigned long color
= _blue
| _green
<< 8 | _red
<< 16;
51 // try get a gc from the cache
52 CacheItem
*item
= _cache
[_screen
][color
];
61 // allocate a color and GC from the server
62 const ScreenInfo
*info
= display
->screenInfo(_screen
);
64 XColor xcol
; // convert from 0-0xff to 0-0xffff
65 xcol
.red
= (_red
<< 8) | _red
;
66 xcol
.green
= (_green
<< 8) | _green
;
67 xcol
.blue
= (_blue
<< 8) | _blue
;
69 display
->renderControl(_screen
)->allocateColor(&xcol
);
73 gcv
.foreground
= _pixel
;
74 gcv
.cap_style
= CapProjecting
;
75 _gc
= XCreateGC(**display
, info
->rootWindow(),
76 GCForeground
| GCCapStyle
, &gcv
);
79 // insert into the cache
80 item
= new CacheItem(_gc
, _pixel
);
81 _cache
[_screen
][color
] = item
;
88 unsigned long RenderColor::pixel() const
90 if (!_created
) create();
94 GC
RenderColor::gc() const
96 if (!_created
) create();
100 RenderColor::~RenderColor()
102 unsigned long color
= _blue
| _green
<< 8 | _red
<< 16;
105 CacheItem
*item
= _cache
[_screen
][color
];
106 assert(item
); // better be...
108 if (--item
->count
<= 0) {
109 // remove from the cache
110 XFreeGC(**display
, _gc
);
111 _cache
[_screen
][color
] = 0;
115 const ScreenInfo
*info
= display
->screenInfo(_screen
);
116 XFreeColors(**display
, info
->colormap(), &_pixel
, 1, 0);
This page took 0.043694 seconds and 4 git commands to generate.