1 /* 2 Copyright 1999-2020 ImageMagick Studio LLC, a non-profit organization 3 dedicated to making software imaging solutions freely available. 4 5 You may not use this file except in compliance with the License. You may 6 obtain a copy of the License at 7 8 https://imagemagick.org/script/license.php 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 16 MagickCore Binary Large OBjects methods. 17 */ 18 #ifndef MAGICKCORE_BLOB_H 19 #define MAGICKCORE_BLOB_H 20 21 #if defined(__cplusplus) || defined(c_plusplus) 22 extern "C" { 23 #endif 24 25 #define MagickMaxBufferExtent 81920 26 #define MagickMinBufferExtent 16384 27 28 typedef enum 29 { 30 ReadMode, 31 WriteMode, 32 IOMode, 33 PersistMode 34 } MapMode; 35 36 typedef ssize_t 37 (*CustomStreamHandler)(unsigned char *,const size_t,void *); 38 39 typedef MagickOffsetType 40 (*CustomStreamSeeker)(const MagickOffsetType,const int,void *); 41 42 typedef MagickOffsetType 43 (*CustomStreamTeller)(void *); 44 45 typedef struct _CustomStreamInfo 46 CustomStreamInfo; 47 48 #include "MagickCore/image.h" 49 #include "MagickCore/stream.h" 50 51 extern MagickExport CustomStreamInfo 52 *AcquireCustomStreamInfo(ExceptionInfo *), 53 *DestroyCustomStreamInfo(CustomStreamInfo *); 54 55 extern MagickExport FILE 56 *GetBlobFileHandle(const Image *) magick_attribute((__pure__)); 57 58 extern MagickExport Image 59 *BlobToImage(const ImageInfo *,const void *,const size_t,ExceptionInfo *), 60 *PingBlob(const ImageInfo *,const void *,const size_t,ExceptionInfo *), 61 *CustomStreamToImage(const ImageInfo *,ExceptionInfo *); 62 63 extern MagickExport MagickBooleanType 64 BlobToFile(char *,const void *,const size_t,ExceptionInfo *), 65 FileToImage(Image *,const char *,ExceptionInfo *), 66 GetBlobError(const Image *) magick_attribute((__pure__)), 67 ImageToFile(Image *,char *,ExceptionInfo *), 68 InjectImageBlob(const ImageInfo *,Image *,Image *,const char *, 69 ExceptionInfo *), 70 IsBlobExempt(const Image *) magick_attribute((__pure__)), 71 IsBlobSeekable(const Image *) magick_attribute((__pure__)), 72 IsBlobTemporary(const Image *) magick_attribute((__pure__)); 73 74 extern MagickExport MagickSizeType 75 GetBlobSize(const Image *); 76 77 extern MagickExport StreamHandler 78 GetBlobStreamHandler(const Image *) magick_attribute((__pure__)); 79 80 extern MagickExport void 81 *GetBlobStreamData(const Image *) magick_attribute((__pure__)), 82 DestroyBlob(Image *), 83 DuplicateBlob(Image *,const Image *), 84 *FileToBlob(const char *,const size_t,size_t *,ExceptionInfo *), 85 *ImageToBlob(const ImageInfo *,Image *,size_t *,ExceptionInfo *), 86 ImageToCustomStream(const ImageInfo *,Image *,ExceptionInfo *), 87 *ImagesToBlob(const ImageInfo *,Image *,size_t *,ExceptionInfo *), 88 ImagesToCustomStream(const ImageInfo *,Image *,ExceptionInfo *), 89 SetBlobExempt(Image *,const MagickBooleanType), 90 SetCustomStreamData(CustomStreamInfo *,void *), 91 SetCustomStreamReader(CustomStreamInfo *,CustomStreamHandler), 92 SetCustomStreamSeeker(CustomStreamInfo *,CustomStreamSeeker), 93 SetCustomStreamTeller(CustomStreamInfo *,CustomStreamTeller), 94 SetCustomStreamWriter(CustomStreamInfo *,CustomStreamHandler); 95 96 #if defined(__cplusplus) || defined(c_plusplus) 97 } 98 #endif 99 100 #endif 101