#Tiffen software license#
to use this kit legally, you must live in a country where the patent doesn't apply or you must obtain a license from Unisys. To enable lzw compression, you must obtain the libtiff-lzw-compression-kit from. Lempel-Ziv & Welch (LZW) algorithm (compression 5), is no longer supported by default, due to Unisys patent enforcement (c.f Burn All GIFs). two experimental schemes intended for images with high dynamic range.a 2-bit encoding scheme used by NeXT (compression 32766), and.a 4-bit run-length encoding scheme from ThunderScan (compression 32809),.the Macintosh PackBits algorithm (compression 32773),.CCITT Group 3 and 4 algorithms (compression codes 2, 3, 4, and 32771),.Then a default set of compression schemes is automatically If the define COMPRESSION_SUPPORT is not defined those that control operating system or machine-specific support.those that control support for groups of tags that.those that control which compression schemes areĬonfigured as part of the builtin codecs,.(as generated by the configure script for UNIX systems)Ĭonfiguration defines are split into three areas: The optional parts of the library that are configured at buildĪ collection of C defines that are specified either on the compilerĬommand line or in a configuration file such as port.h
This section describes the low-level mechanisms used to control Information on compiling the library is given The following sections are found in this chapter:
#Tiffen software how to#
The library, how to control the configuration when building it, and This chapter provides information about the internal structure of
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