Linux Standard Base Desktop Specification 4.1
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V. JPEG library
Table of Contents
9.
Libraries
9.1.
Interfaces for libjpeg
9.1.1.
JPEG Reference library
9.2.
Data Definitions for libjpeg
9.2.1.
jerror.h
9.2.2.
jpeglib.h
9.3.
Interface Definitions for libjpeg
jpeg_CreateCompress
-- allocate and initialize a JPEG compression object
jpeg_CreateDecompress
-- allocate and initialize a JPEG decompression object
jpeg_abort
-- aborts the compression or decompression cycle
jpeg_abort_compress
-- abort processing of JPEG compression operation
jpeg_abort_decompress
-- abort processing of JPEG decompression operation
jpeg_add_quant_table
-- add a quantization table
jpeg_alloc_huff_table
-- allocate Huffman table
jpeg_alloc_quant_table
-- allocate quantization table
jpeg_calc_output_dimensions
-- compute output image dimensions
jpeg_consume_input
-- decode input data
jpeg_copy_critical_parameters
-- copy critical compression parameters from source decompression object
jpeg_default_colorspace
-- set default colorspace based on input image's color space
jpeg_destroy
-- deallocation of a JPEG object
jpeg_destroy_compress
-- deallocate a JPEG compression object
jpeg_destroy_decompress
-- deallocate a JPEG decompression object
jpeg_finish_compress
-- complete the compression cycle
jpeg_finish_decompress
-- complete decompression cycle
jpeg_finish_output
-- complete pass in buffered-image mode
jpeg_has_multiple_scans
-- test if input image has multiple scans
jpeg_input_complete
-- test for end-of-image
jpeg_new_colormap
-- switch to a new external colormap between output passes
jpeg_quality_scaling
-- convert quality scaling to percentage scaling factor
jpeg_read_coefficients
-- read the contents of JPEG file as DCT coefficients
jpeg_read_header
-- read start of JPEG datastream
jpeg_read_raw_data
-- read raw downsampled image data
jpeg_read_scanlines
-- read scanlines of data from JPEG decompressor
jpeg_resync_to_restart
-- resync if marker other than expected restart marker found
jpeg_save_markers
-- save the contents of special markers
jpeg_set_colorspace
-- set JPEG file's colorspace
jpeg_set_defaults
-- set compression parameters to default values
jpeg_set_linear_quality
-- construct JPEG quantization tables for indicated scale factor
jpeg_set_marker_processor
-- set processor method for COM or APPn markers
jpeg_set_quality
-- construct JPEG quantization tables for indicated quality
jpeg_simple_progression
-- generate scan script for writing progressive JPEG file
jpeg_start_compress
-- initialize a compression cycle
jpeg_start_decompress
-- initialize a decompression cycle
jpeg_start_output
-- initialize for a pass in buffered-image mode
jpeg_std_error
-- update error manager with error handling routines
jpeg_stdio_dest
-- Initialize state for output to stdio stream
jpeg_stdio_src
-- Initialize state for input from stdio stream
jpeg_suppress_tables
-- control quantization and Huffman table suppression
jpeg_write_coefficients
-- Compression initialization for writing raw-coefficient data
jpeg_write_m_byte
-- emit a byte of special marker data
jpeg_write_m_header
-- emit header for special marker
jpeg_write_marker
-- write special marker data
jpeg_write_raw_data
-- write raw downsampled image data
jpeg_write_scanlines
-- write scanlines of data to JPEG compressor
jpeg_write_tables
-- create a tables-only file
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