imagemagick/magick/compress.h

73 lines
2.0 KiB
C

/*
Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
dedicated to making software imaging solutions freely available.
You may not use this file except in compliance with the License. You may
obtain a copy of the License at
https://imagemagick.org/script/license.php
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
MagickCore image compression/decompression methods.
*/
#ifndef MAGICKCORE_COMPRESS_H
#define MAGICKCORE_COMPRESS_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
typedef enum
{
UndefinedCompression,
NoCompression,
BZipCompression,
DXT1Compression,
DXT3Compression,
DXT5Compression,
FaxCompression,
Group4Compression,
JPEGCompression,
JPEG2000Compression, /* ISO/IEC std 15444-1 */
LosslessJPEGCompression,
LZWCompression,
RLECompression,
ZipCompression,
ZipSCompression,
PizCompression,
Pxr24Compression,
B44Compression,
B44ACompression,
LZMACompression, /* Lempel-Ziv-Markov chain algorithm */
JBIG1Compression, /* ISO/IEC std 11544 / ITU-T rec T.82 */
JBIG2Compression, /* ISO/IEC std 14492 / ITU-T rec T.88 */
ZstdCompression,
WebPCompression
} CompressionType;
typedef struct _Ascii85Info
Ascii85Info;
extern MagickExport MagickBooleanType
HuffmanDecodeImage(Image *),
HuffmanEncodeImage(const ImageInfo *,Image *,Image *),
LZWEncodeImage(Image *,const size_t,unsigned char *magick_restrict),
PackbitsEncodeImage(Image *,const size_t,unsigned char *magick_restrict),
ZLIBEncodeImage(Image *,const size_t,unsigned char *magick_restrict);
extern MagickExport void
Ascii85Encode(Image *,const unsigned char),
Ascii85Flush(Image *),
Ascii85Initialize(Image *);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif