: _screen(screen),
_red(red),
_green(green),
- _blue(blue),
- _allocated(false),
- _created(false)
+ _blue(blue)
{
+ create();
}
RenderColor::RenderColor(int screen, RGB rgb)
: _screen(screen),
_red(rgb.r),
_green(rgb.g),
- _blue(rgb.b),
- _allocated(false),
- _created(false)
+ _blue(rgb.b)
{
+ create();
}
-void RenderColor::create() const
+void RenderColor::create()
{
unsigned long color = _blue | _green << 8 | _red << 16;
xcol.blue = (_blue << 8) | _blue;
display->renderControl(_screen)->allocateColor(&xcol);
- _allocated = true;
_pixel = xcol.pixel;
gcv.foreground = _pixel;
_cache[_screen][color] = item;
++item->count;
}
-
- _created = true;
-}
-
-unsigned long RenderColor::pixel() const
-{
- if (!_created) create();
- return _pixel;
-}
-
-GC RenderColor::gc() const
-{
- if (!_created) create();
- return _gc;
}
RenderColor::~RenderColor()
{
unsigned long color = _blue | _green << 8 | _red << 16;
- if (_created) {
- CacheItem *item = _cache[_screen][color];
- assert(item); // better be...
-
- if (--item->count <= 0) {
- // remove from the cache
- XFreeGC(**display, _gc);
- _cache[_screen][color] = 0;
- delete item;
-
- if (_allocated) {
- const ScreenInfo *info = display->screenInfo(_screen);
- XFreeColors(**display, info->colormap(), &_pixel, 1, 0);
- }
- }
+ CacheItem *item = _cache[_screen][color];
+ assert(item); // better be...
+
+ if (--item->count <= 0) {
+ // remove from the cache
+ XFreeGC(**display, _gc);
+ _cache[_screen][color] = 0;
+ delete item;
+
+ const ScreenInfo *info = display->screenInfo(_screen);
+ XFreeColors(**display, info->colormap(), &_pixel, 1, 0);
}
}
unsigned char _green;
unsigned char _blue;
- mutable unsigned long _pixel;
- mutable GC _gc;
+ unsigned long _pixel;
+ GC _gc;
- mutable bool _allocated;
- mutable bool _created;
-
- void create() const;
+ void create();
public:
static void initialize();
inline unsigned char red() const { return _red; }
inline unsigned char green() const { return _green; }
inline unsigned char blue() const { return _blue; }
- unsigned long pixel() const;
- GC gc() const;
+ unsigned long pixel() const { return _pixel; }
+ GC gc() const { return _gc; }
};
}