magick.h

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00001 /*
00002   Copyright 1999-2009 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.imagemagick.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   MagickCore magick methods.
00017 */
00018 #ifndef _MAGICKCORE_MAGICK_H
00019 #define _MAGICKCORE_MAGICK_H
00020 
00021 #if defined(__cplusplus) || defined(c_plusplus)
00022 extern "C" {
00023 #endif
00024 
00025 typedef enum
00026 {
00027   UndefinedFormatType,
00028   ImplicitFormatType,
00029   ExplicitFormatType
00030 } MagickFormatType;
00031 
00032 typedef enum
00033 {
00034   NoThreadSupport = 0x0000,
00035   DecoderThreadSupport = 0x0001,
00036   EncoderThreadSupport = 0x0002
00037 } MagickThreadSupport;
00038 
00039 typedef Image
00040   *DecodeImageHandler(const ImageInfo *,ExceptionInfo *);
00041 
00042 typedef MagickBooleanType
00043   EncodeImageHandler(const ImageInfo *,Image *);
00044 
00045 typedef MagickBooleanType
00046   IsImageFormatHandler(const unsigned char *,const size_t);
00047 
00048 typedef struct _MagickInfo
00049 {
00050   char
00051     *name,
00052     *description,
00053     *version,
00054     *note,
00055     *module;
00056 
00057   ImageInfo
00058     *image_info;
00059 
00060   DecodeImageHandler
00061     *decoder;
00062 
00063   EncodeImageHandler
00064     *encoder;
00065 
00066   IsImageFormatHandler
00067     *magick;
00068 
00069   void
00070     *client_data;
00071 
00072   MagickBooleanType
00073     adjoin,
00074     raw,
00075     endian_support,
00076     blob_support,
00077     seekable_stream;
00078 
00079   MagickFormatType
00080     format_type;
00081 
00082   MagickStatusType
00083     thread_support;
00084 
00085   MagickBooleanType
00086     stealth;
00087 
00088   struct _MagickInfo
00089     *previous,
00090     *next;  /* deprecated, use GetMagickInfoList() */
00091 
00092   unsigned long
00093     signature;
00094 } MagickInfo;
00095 
00096 extern MagickExport char
00097   **GetMagickList(const char *,unsigned long *,ExceptionInfo *);
00098 
00099 extern MagickExport const char
00100   *GetMagickDescription(const MagickInfo *);
00101 
00102 extern MagickExport DecodeImageHandler
00103   *GetImageDecoder(const MagickInfo *);
00104 
00105 extern MagickExport EncodeImageHandler
00106   *GetImageEncoder(const MagickInfo *);
00107 
00108 extern MagickExport MagickBooleanType
00109   GetImageMagick(const unsigned char *,const size_t,char *),
00110   GetMagickAdjoin(const MagickInfo *),
00111   GetMagickBlobSupport(const MagickInfo *),
00112   GetMagickEndianSupport(const MagickInfo *),
00113   GetMagickRawSupport(const MagickInfo *),
00114   GetMagickSeekableStream(const MagickInfo *),
00115   IsMagickInstantiated(void),
00116   MagickComponentGenesis(void),
00117   UnregisterMagickInfo(const char *);
00118 
00119 extern const MagickExport MagickInfo
00120   *GetMagickInfo(const char *,ExceptionInfo *),
00121   **GetMagickInfoList(const char *,unsigned long *,ExceptionInfo *);
00122 
00123 extern MagickExport MagickInfo
00124   *RegisterMagickInfo(MagickInfo *),
00125   *SetMagickInfo(const char *);
00126 
00127 extern MagickExport MagickStatusType
00128   GetMagickThreadSupport(const MagickInfo *);
00129 
00130 extern MagickExport void
00131   MagickComponentTerminus(void),
00132   MagickCoreGenesis(const char *,const MagickBooleanType),
00133   MagickCoreTerminus(void);
00134 
00135 #if defined(__cplusplus) || defined(c_plusplus)
00136 }
00137 #endif
00138 
00139 #endif