1 /* 2 Copyright 1999-2019 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 27 typedef enum 28 { 29 ReadMode, 30 WriteMode, 31 IOMode, 32 PersistMode 33 } MapMode; 34 35 typedef ssize_t 36 (*CustomStreamHandler)(unsigned char *,const size_t,void *); 37 38 typedef MagickOffsetType 39 (*CustomStreamSeeker)(const MagickOffsetType,const int,void *); 40 41 typedef MagickOffsetType 42 (*CustomStreamTeller)(void *); 43 44 typedef struct _CustomStreamInfo 45 CustomStreamInfo; 46 47 #include "MagickCore/image.h" 48 #include "MagickCore/stream.h" 49 50 extern MagickExport CustomStreamInfo 51 *AcquireCustomStreamInfo(ExceptionInfo *), 52 *DestroyCustomStreamInfo(CustomStreamInfo *); 53 54 extern MagickExport FILE 55 *GetBlobFileHandle(const Image *) magick_attribute((__pure__)); 56 57 extern MagickExport Image 58 *BlobToImage(const ImageInfo *,const void *,const size_t,ExceptionInfo *), 59 *PingBlob(const ImageInfo *,const void *,const size_t,ExceptionInfo *), 60 *CustomStreamToImage(const ImageInfo *,ExceptionInfo *); 61 62 extern MagickExport MagickBooleanType 63 BlobToFile(char *,const void *,const size_t,ExceptionInfo *), 64 FileToImage(Image *,const char *,ExceptionInfo *), 65 GetBlobError(const Image *) magick_attribute((__pure__)), 66 ImageToFile(Image *,char *,ExceptionInfo *), 67 InjectImageBlob(const ImageInfo *,Image *,Image *,const char *, 68 ExceptionInfo *), 69 IsBlobExempt(const Image *) magick_attribute((__pure__)), 70 IsBlobSeekable(const Image *) magick_attribute((__pure__)), 71 IsBlobTemporary(const Image *) magick_attribute((__pure__)); 72 73 extern MagickExport MagickSizeType 74 GetBlobSize(const Image *); 75 76 extern MagickExport StreamHandler 77 GetBlobStreamHandler(const Image *) magick_attribute((__pure__)); 78 79 extern MagickExport void 80 *GetBlobStreamData(const Image *) magick_attribute((__pure__)), 81 DestroyBlob(Image *), 82 DuplicateBlob(Image *,const Image *), 83 *FileToBlob(const char *,const size_t,size_t *,ExceptionInfo *), 84 *ImageToBlob(const ImageInfo *,Image *,size_t *,ExceptionInfo *), 85 ImageToCustomStream(const ImageInfo *,Image *,ExceptionInfo *), 86 *ImagesToBlob(const ImageInfo *,Image *,size_t *,ExceptionInfo *), 87 ImagesToCustomStream(const ImageInfo *,Image *,ExceptionInfo *), 88 SetBlobExempt(Image *,const MagickBooleanType), 89 SetCustomStreamData(CustomStreamInfo *,void *), 90 SetCustomStreamReader(CustomStreamInfo *,CustomStreamHandler), 91 SetCustomStreamSeeker(CustomStreamInfo *,CustomStreamSeeker), 92 SetCustomStreamTeller(CustomStreamInfo *,CustomStreamTeller), 93 SetCustomStreamWriter(CustomStreamInfo *,CustomStreamHandler); 94 95 #if defined(__cplusplus) || defined(c_plusplus) 96 } 97 #endif 98 99 #endif 100