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 image compression/decompression methods. 17 */ 18 #ifndef MAGICKCORE_COMPRESS_H 19 #define MAGICKCORE_COMPRESS_H 20 21 #if defined(__cplusplus) || defined(c_plusplus) 22 extern "C" { 23 #endif 24 25 typedef enum 26 { 27 UndefinedCompression, 28 B44ACompression, 29 B44Compression, 30 BZipCompression, 31 DXT1Compression, 32 DXT3Compression, 33 DXT5Compression, 34 FaxCompression, 35 Group4Compression, 36 JBIG1Compression, /* ISO/IEC std 11544 / ITU-T rec T.82 */ 37 JBIG2Compression, /* ISO/IEC std 14492 / ITU-T rec T.88 */ 38 JPEG2000Compression, /* ISO/IEC std 15444-1 */ 39 JPEGCompression, 40 LosslessJPEGCompression, 41 LZMACompression, /* Lempel-Ziv-Markov chain algorithm */ 42 LZWCompression, 43 NoCompression, 44 PizCompression, 45 Pxr24Compression, 46 RLECompression, 47 ZipCompression, 48 ZipSCompression, 49 ZstdCompression, 50 WebPCompression 51 } CompressionType; 52 53 typedef struct _Ascii85Info 54 Ascii85Info; 55 56 extern MagickExport MagickBooleanType 57 HuffmanDecodeImage(Image *,ExceptionInfo *), 58 HuffmanEncodeImage(const ImageInfo *,Image *,Image *,ExceptionInfo *), 59 LZWEncodeImage(Image *,const size_t,unsigned char *magick_restrict, 60 ExceptionInfo *), 61 PackbitsEncodeImage(Image *,const size_t,unsigned char *magick_restrict, 62 ExceptionInfo *), 63 ZLIBEncodeImage(Image *,const size_t,unsigned char *magick_restrict, 64 ExceptionInfo *); 65 66 extern MagickExport void 67 Ascii85Encode(Image *,const unsigned char), 68 Ascii85Flush(Image *), 69 Ascii85Initialize(Image *); 70 71 #if defined(__cplusplus) || defined(c_plusplus) 72 } 73 #endif 74 75 #endif 76