/*
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% D e s t r o y S e c r e t I n f o %
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% DestroySecretInfo() zeros memory associated with the SecretInfo structure.
%
% The format of the DestroySecretInfo method is:
%
% SecretInfo *DestroySecretInfo(SecretInfo *secret_info)
%
% A description of each parameter follows:
%
% o secret_info: The secret info.
%
*/
WizardExport SecretInfo *DestroySecretInfo(SecretInfo *secret_info)
{
(void) LogWizardEvent(TraceEvent,GetWizardModule(),"...");
WizardAssert(AuthenticateDomain,secret_info != (SecretInfo *) NULL);
WizardAssert(AuthenticateDomain,secret_info->signature == WizardSignature);
if (secret_info->random_info != (RandomInfo *) NULL)
secret_info->random_info=DestroyRandomInfo(secret_info->random_info);
if (secret_info->hmac_info != (HMACInfo *) NULL)
secret_info->hmac_info=DestroyHMACInfo(secret_info->hmac_info);
if (secret_info->cipher_info != (CipherInfo *) NULL)
secret_info->cipher_info=DestroyCipherInfo(secret_info->cipher_info);
if (secret_info->keyring_info != (KeyringInfo *) NULL)
secret_info->keyring_info=DestroyKeyringInfo(secret_info->keyring_info);
if (secret_info->nonce != (StringInfo *) NULL)
secret_info->nonce=DestroyStringInfo(secret_info->nonce);
if (secret_info->key != (StringInfo *) NULL)
secret_info->key=DestroyStringInfo(secret_info->key);
if (secret_info->id != (StringInfo *) NULL)
secret_info->id=DestroyStringInfo(secret_info->id);
if (secret_info->digest != (StringInfo *) NULL)
secret_info->digest=DestroyStringInfo(secret_info->digest);
secret_info->signature=(~WizardSignature);
secret_info=(SecretInfo *) RelinquishWizardMemory(secret_info);
return(secret_info);
}
/*
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+ D e s t r o y M a g i c k R e s o u r c e s %
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% DestroyMagickResources() destroys the resource environment.
%
% The format of the DestroyMagickResources() method is:
%
% DestroyMagickResources(void)
%
*/
MagickExport void DestroyMagickResources(void)
{
AcquireSemaphoreInfo(&resource_semaphore);
if (temporary_resources != (SplayTreeInfo *) NULL)
temporary_resources=DestroySplayTree(temporary_resources);
if (random_info != (RandomInfo *) NULL)
random_info=DestroyRandomInfo(random_info);
RelinquishSemaphoreInfo(resource_semaphore);
resource_semaphore=DestroySemaphoreInfo(resource_semaphore);
}
/*
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+ R e s o u r c e C o m p o n e n t T e r m i n u s %
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% ResourceComponentTerminus() destroys the resource component.
%
% The format of the ResourceComponentTerminus() method is:
%
% ResourceComponentTerminus(void)
%
*/
MagickPrivate void ResourceComponentTerminus(void)
{
if (resource_semaphore == (SemaphoreInfo *) NULL)
AcquireSemaphoreInfo(&resource_semaphore);
LockSemaphoreInfo(resource_semaphore);
if (temporary_resources != (SplayTreeInfo *) NULL)
temporary_resources=DestroySplayTree(temporary_resources);
if (random_info != (RandomInfo *) NULL)
random_info=DestroyRandomInfo(random_info);
UnlockSemaphoreInfo(resource_semaphore);
DestroySemaphoreInfo(&resource_semaphore);
}
static Image *ReadPlasmaImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
Image
*image;
ImageInfo
*read_info;
ssize_t
y;
MagickBooleanType
status;
register ssize_t
x;
register PixelPacket
*q;
register size_t
i;
SegmentInfo
segment_info;
size_t
depth,
max_depth;
/*
Recursively apply plasma to the image.
*/
read_info=CloneImageInfo(image_info);
SetImageInfoBlob(read_info,(void *) NULL,0);
(void) FormatMagickString(read_info->filename,MaxTextExtent,
"gradient:%s",image_info->filename);
image=ReadImage(read_info,exception);
read_info=DestroyImageInfo(read_info);
if (image == (Image *) NULL)
return((Image *) NULL);
image->storage_class=DirectClass;
for (y=0; y < (ssize_t) image->rows; y++)
{
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
q->opacity=(Quantum) (QuantumRange/2);
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
segment_info.x1=0;
segment_info.y1=0;
segment_info.x2=(double) image->columns-1;
segment_info.y2=(double) image->rows-1;
if (LocaleCompare(image_info->filename,"fractal") == 0)
{
RandomInfo
*random_info;
/*
Seed pixels before recursion.
*/
random_info=AcquireRandomInfo();
PlasmaPixel(image,random_info,segment_info.x1,segment_info.y1);
PlasmaPixel(image,random_info,segment_info.x1,(segment_info.y1+
segment_info.y2)/2);
PlasmaPixel(image,random_info,segment_info.x1,segment_info.y2);
PlasmaPixel(image,random_info,(segment_info.x1+segment_info.x2)/2,
segment_info.y1);
PlasmaPixel(image,random_info,(segment_info.x1+segment_info.x2)/2,
(segment_info.y1+segment_info.y2)/2);
PlasmaPixel(image,random_info,(segment_info.x1+segment_info.x2)/2,
segment_info.y2);
PlasmaPixel(image,random_info,segment_info.x2,segment_info.y1);
PlasmaPixel(image,random_info,segment_info.x2,(segment_info.y1+
segment_info.y2)/2);
PlasmaPixel(image,random_info,segment_info.x2,segment_info.y2);
random_info=DestroyRandomInfo(random_info);
}
i=(size_t) MagickMax(image->columns,image->rows)/2;
for (max_depth=0; i != 0; max_depth++)
i>>=1;
for (depth=1; ; depth++)
{
if (PlasmaImage(image,&segment_info,0,depth) != MagickFalse)
break;
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) depth,
max_depth);
if (status == MagickFalse)
break;
}
(void) SetImageAlphaChannel(image,DeactivateAlphaChannel);
return(GetFirstImageInList(image));
}
