allocate colors right away instead of delaying it, since they get allocated out of the rendercontrol, and it will never fail.

This commit is contained in:
Dana Jansens 2003-02-17 16:36:35 +00:00
parent 716ab805a0
commit 8bf56a288f
2 changed files with 20 additions and 44 deletions

View file

@ -28,23 +28,21 @@ RenderColor::RenderColor(int screen, unsigned char red,
: _screen(screen), : _screen(screen),
_red(red), _red(red),
_green(green), _green(green),
_blue(blue), _blue(blue)
_allocated(false),
_created(false)
{ {
create();
} }
RenderColor::RenderColor(int screen, RGB rgb) RenderColor::RenderColor(int screen, RGB rgb)
: _screen(screen), : _screen(screen),
_red(rgb.r), _red(rgb.r),
_green(rgb.g), _green(rgb.g),
_blue(rgb.b), _blue(rgb.b)
_allocated(false),
_created(false)
{ {
create();
} }
void RenderColor::create() const void RenderColor::create()
{ {
unsigned long color = _blue | _green << 8 | _red << 16; unsigned long color = _blue | _green << 8 | _red << 16;
@ -67,7 +65,6 @@ void RenderColor::create() const
xcol.blue = (_blue << 8) | _blue; xcol.blue = (_blue << 8) | _blue;
display->renderControl(_screen)->allocateColor(&xcol); display->renderControl(_screen)->allocateColor(&xcol);
_allocated = true;
_pixel = xcol.pixel; _pixel = xcol.pixel;
gcv.foreground = _pixel; gcv.foreground = _pixel;
@ -81,41 +78,23 @@ void RenderColor::create() const
_cache[_screen][color] = item; _cache[_screen][color] = item;
++item->count; ++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() RenderColor::~RenderColor()
{ {
unsigned long color = _blue | _green << 8 | _red << 16; unsigned long color = _blue | _green << 8 | _red << 16;
if (_created) { CacheItem *item = _cache[_screen][color];
CacheItem *item = _cache[_screen][color]; assert(item); // better be...
assert(item); // better be...
if (--item->count <= 0) {
// remove from the cache
XFreeGC(**display, _gc);
_cache[_screen][color] = 0;
delete item;
if (--item->count <= 0) { const ScreenInfo *info = display->screenInfo(_screen);
// remove from the cache XFreeColors(**display, info->colormap(), &_pixel, 1, 0);
XFreeGC(**display, _gc);
_cache[_screen][color] = 0;
delete item;
if (_allocated) {
const ScreenInfo *info = display->screenInfo(_screen);
XFreeColors(**display, info->colormap(), &_pixel, 1, 0);
}
}
} }
} }

View file

@ -37,13 +37,10 @@ private:
unsigned char _green; unsigned char _green;
unsigned char _blue; unsigned char _blue;
mutable unsigned long _pixel; unsigned long _pixel;
mutable GC _gc; GC _gc;
mutable bool _allocated; void create();
mutable bool _created;
void create() const;
public: public:
static void initialize(); static void initialize();
@ -58,8 +55,8 @@ public:
inline unsigned char red() const { return _red; } inline unsigned char red() const { return _red; }
inline unsigned char green() const { return _green; } inline unsigned char green() const { return _green; }
inline unsigned char blue() const { return _blue; } inline unsigned char blue() const { return _blue; }
unsigned long pixel() const; unsigned long pixel() const { return _pixel; }
GC gc() const; GC gc() const { return _gc; }
}; };
} }