forked from openkylin/imagemagick
157 lines
6.8 KiB
C
157 lines
6.8 KiB
C
|
/*
|
|||
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% W W AAA N N DDDD %
|
|||
|
|
% W W A A NN N D D %
|
|||
|
|
% W W W AAAAA N N N D D %
|
|||
|
|
% WW WW A A N NN D D %
|
|||
|
|
% W W A A N N DDDD %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% MagickWand Support Methods %
|
|||
|
|
% %
|
|||
|
|
% Software Design %
|
|||
|
|
% Cristy %
|
|||
|
|
% May 2004 %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
|
|||
|
|
% dedicated to making software imaging solutions freely available. %
|
|||
|
|
% %
|
|||
|
|
% You may not use this file except in compliance with the License. You may %
|
|||
|
|
% obtain a copy of the License at %
|
|||
|
|
% %
|
|||
|
|
% https://imagemagick.org/script/license.php %
|
|||
|
|
% %
|
|||
|
|
% Unless required by applicable law or agreed to in writing, software %
|
|||
|
|
% distributed under the License is distributed on an "AS IS" BASIS, %
|
|||
|
|
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
|
|||
|
|
% See the License for the specific language governing permissions and %
|
|||
|
|
% limitations under the License. %
|
|||
|
|
% %
|
|||
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|||
|
|
%
|
|||
|
|
%
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
Include declarations.
|
|||
|
|
*/
|
|||
|
|
#include "wand/studio.h"
|
|||
|
|
#include "wand/MagickWand.h"
|
|||
|
|
#include "wand/magick-wand-private.h"
|
|||
|
|
#include "wand/wand.h"
|
|||
|
|
|
|||
|
|
static SplayTreeInfo
|
|||
|
|
*wand_ids = (SplayTreeInfo *) NULL;
|
|||
|
|
|
|||
|
|
static MagickBooleanType
|
|||
|
|
instantiate_wand = MagickFalse;
|
|||
|
|
|
|||
|
|
static SemaphoreInfo
|
|||
|
|
*wand_semaphore = (SemaphoreInfo *) NULL;
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% A c q u i r e W a n d I d %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|||
|
|
%
|
|||
|
|
% AcquireWandId() returns a unique wand id.
|
|||
|
|
%
|
|||
|
|
% The format of the AcquireWandId() method is:
|
|||
|
|
%
|
|||
|
|
% size_t AcquireWandId()
|
|||
|
|
%
|
|||
|
|
*/
|
|||
|
|
WandExport size_t AcquireWandId(void)
|
|||
|
|
{
|
|||
|
|
static size_t
|
|||
|
|
id = 0;
|
|||
|
|
|
|||
|
|
size_t
|
|||
|
|
wand_id;
|
|||
|
|
|
|||
|
|
if (wand_semaphore == (SemaphoreInfo *) NULL)
|
|||
|
|
ActivateSemaphoreInfo(&wand_semaphore);
|
|||
|
|
LockSemaphoreInfo(wand_semaphore);
|
|||
|
|
if (wand_ids == (SplayTreeInfo *) NULL)
|
|||
|
|
wand_ids=NewSplayTree((int (*)(const void *,const void *)) NULL,
|
|||
|
|
(void *(*)(void *)) NULL,(void *(*)(void *)) NULL);
|
|||
|
|
wand_id=id++;
|
|||
|
|
(void) AddValueToSplayTree(wand_ids,(const void *) wand_id,
|
|||
|
|
(const void *) wand_id);
|
|||
|
|
instantiate_wand=MagickTrue;
|
|||
|
|
UnlockSemaphoreInfo(wand_semaphore);
|
|||
|
|
return(wand_id);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% D e s t r o y W a n d I d s %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|||
|
|
%
|
|||
|
|
% DestroyWandIds() deallocates memory associated with the wand id's.
|
|||
|
|
%
|
|||
|
|
% The format of the DestroyWandIds() method is:
|
|||
|
|
%
|
|||
|
|
% void DestroyWandIds(void)
|
|||
|
|
%
|
|||
|
|
% A description of each parameter follows:
|
|||
|
|
%
|
|||
|
|
*/
|
|||
|
|
WandExport void DestroyWandIds(void)
|
|||
|
|
{
|
|||
|
|
if (wand_semaphore == (SemaphoreInfo *) NULL)
|
|||
|
|
ActivateSemaphoreInfo(&wand_semaphore);
|
|||
|
|
LockSemaphoreInfo(wand_semaphore);
|
|||
|
|
if (wand_ids != (SplayTreeInfo *) NULL)
|
|||
|
|
wand_ids=DestroySplayTree(wand_ids);
|
|||
|
|
instantiate_wand=MagickFalse;
|
|||
|
|
UnlockSemaphoreInfo(wand_semaphore);
|
|||
|
|
DestroySemaphoreInfo(&wand_semaphore);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% R e l i n q u i s h W a n d I d %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
% %
|
|||
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|||
|
|
%
|
|||
|
|
% RelinquishWandId() relinquishes a unique wand id.
|
|||
|
|
%
|
|||
|
|
% The format of the RelinquishWandId() method is:
|
|||
|
|
%
|
|||
|
|
% void RelinquishWandId(const size_t *id)
|
|||
|
|
%
|
|||
|
|
% A description of each parameter follows:
|
|||
|
|
%
|
|||
|
|
% o id: a unique wand id.
|
|||
|
|
%
|
|||
|
|
*/
|
|||
|
|
WandExport void RelinquishWandId(const size_t id)
|
|||
|
|
{
|
|||
|
|
LockSemaphoreInfo(wand_semaphore);
|
|||
|
|
if (wand_ids != (SplayTreeInfo *) NULL)
|
|||
|
|
(void) DeleteNodeFromSplayTree(wand_ids,(const void *) id);
|
|||
|
|
UnlockSemaphoreInfo(wand_semaphore);
|
|||
|
|
}
|