# entropy.h

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    00001 /*
    00002   Copyright 1999-2008 ImageMagick Studio LLC, a non-profit organization
    00003   dedicated to making software imaging solutions freely available.
    00004
    00005   You may not use this file except in compliance with the License.
    00006   obtain a copy of the License at
    00007
    00008     http://www.wizards-toolkit.org/script/license.php
    00009
    00010   Unless required by applicable law or agreed to in writing, software
    00011   distributed under the License is distributed on an "AS IS" BASIS,
    00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    00013   See the License for the specific language governing permissions and
    00014   limitations under the License.
    00015
    00016   Wizard's Toolkit Environment entropy methods.
    00017 */
    00018 #ifndef _WIZARDS_TOOLKIT_ENTROPY_H_
    00019 #define _WIZARDS_TOOLKIT_ENTROPY_H_
    00020
    00021 #if defined(__cplusplus) || defined(c_plusplus)
    00022 extern "C" {
    00023 #endif
    00024
    00025 /*
    00026   Enum declarations.
    00027 */
    00028 typedef enum
    00029 {
    00030   UndefinedEntropy,
    00031   NoEntropy,
    00032   ZIPEntropy,
    00033   BZIPEntropy
    00034 } EntropyType;
    00035
    00036 typedef struct _EntropyInfo
    00037   EntropyInfo;
    00038
    00039 extern WizardExport const StringInfo
    00040   *GetEntropyChaos(const EntropyInfo *);
    00041
    00042 extern WizardExport EntropyInfo
    00043   *AcquireEntropyInfo(const EntropyType,const unsigned long),
    00044   *DestroyEntropyInfo(EntropyInfo *);
    00045
    00046 extern WizardExport WizardBooleanType
    00047   IncreaseEntropy(EntropyInfo *,const StringInfo *,ExceptionInfo *),
    00048   RestoreEntropy(EntropyInfo *,const size_t,const StringInfo *,ExceptionInfo *);
    00049
    00050 #if defined(__cplusplus) || defined(c_plusplus)
    00051 }
    00052 #endif
    00053
    00054 #endif