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

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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
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49
otk/rendercolor.cc
View file

@ -28,23 +28,21 @@ RenderColor::RenderColor(int screen, unsigned char red,
: _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;
@ -67,7 +65,6 @@ void RenderColor::create() const
xcol.blue = (_blue << 8) | _blue;
display->renderControl(_screen)->allocateColor(&xcol);
_allocated = true;
_pixel = xcol.pixel;
gcv.foreground = _pixel;
@ -81,41 +78,23 @@ void RenderColor::create() const
_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...
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 (--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);
}
}
const ScreenInfo *info = display->screenInfo(_screen);
XFreeColors(**display, info->colormap(), &_pixel, 1, 0);
}
}

13
otk/rendercolor.hh
View file

@ -37,13 +37,10 @@ private:
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();
@ -58,8 +55,8 @@ public:
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; }
};
}