jcparam.cpp File Reference

#include "jinclude.h"
#include "mrpt_jpeglib.h"

Go to the source code of this file.

Macros
#define	JPEG_INTERNALS
#define	SET_COMP(index, id, hsamp, vsamp, quant, dctbl, actbl)

Functions
	jpeg_add_quant_table (j_compress_ptr cinfo, int which_tbl, const unsigned int *basic_table, int scale_factor, boolean force_baseline)
	jpeg_set_linear_quality (j_compress_ptr cinfo, int scale_factor, boolean force_baseline)
	jpeg_quality_scaling (int quality)
	jpeg_set_quality (j_compress_ptr cinfo, int quality, boolean force_baseline)
	add_huff_table (j_compress_ptr cinfo, JHUFF_TBL **htblptr, const UINT8 *bits, const UINT8 *val)
	std_huff_tables (j_compress_ptr cinfo)
	jpeg_set_defaults (j_compress_ptr cinfo)
	jpeg_default_colorspace (j_compress_ptr cinfo)
	jpeg_set_colorspace (j_compress_ptr cinfo, J_COLOR_SPACE colorspace)
	fill_a_scan (jpeg_scan_info *scanptr, int ci, int Ss, int Se, int Ah, int Al)
	fill_scans (jpeg_scan_info *scanptr, int ncomps, int Ss, int Se, int Ah, int Al)
	fill_dc_scans (jpeg_scan_info *scanptr, int ncomps, int Ah, int Al)
	jpeg_simple_progression (j_compress_ptr cinfo)

Macro Definition Documentation

JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 10 of file jcparam.cpp.

SET_COMP

#define SET_COMP	(		index,
			id,
			hsamp,
			vsamp,
			quant,
			dctbl,
			actbl
	)

Value:

(compptr = &cinfo->comp_info[index], compptr->component_id = (id),   \
         compptr->h_samp_factor = (hsamp), compptr->v_samp_factor = (vsamp), \
         compptr->quant_tbl_no = (quant), compptr->dc_tbl_no = (dctbl),      \
         compptr->ac_tbl_no = (actbl))

Referenced by jpeg_set_colorspace().

Function Documentation

add_huff_table()

add_huff_table	(	j_compress_ptr	cinfo,
		JHUFF_TBL **	htblptr,
		const UINT8 *	bits,
		const UINT8 *	val
	)

Definition at line 136 of file jcparam.cpp.

References ERREXIT, FALSE, jpeg_alloc_huff_table(), MEMCOPY, SIZEOF, and val.

Referenced by std_huff_tables().

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fill_a_scan()

fill_a_scan	(	jpeg_scan_info *	scanptr,
		int	ci,
		int	Ss,
		int	Se,
		int	Ah,
		int	Al
	)

Definition at line 509 of file jcparam.cpp.

Referenced by jpeg_simple_progression().

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fill_dc_scans()

fill_dc_scans	(	jpeg_scan_info *	scanptr,
		int	ncomps,
		int	Ah,
		int	Al
	)

Definition at line 542 of file jcparam.cpp.

References fill_scans(), and MAX_COMPS_IN_SCAN.

Referenced by jpeg_simple_progression().

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fill_scans()

fill_scans	(	jpeg_scan_info *	scanptr,
		int	ncomps,
		int	Ss,
		int	Se,
		int	Ah,
		int	Al
	)

Definition at line 523 of file jcparam.cpp.

Referenced by fill_dc_scans(), and jpeg_simple_progression().

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jpeg_add_quant_table()

jpeg_add_quant_table	(	j_compress_ptr	cinfo,
		int	which_tbl,
		const unsigned int *	basic_table,
		int	scale_factor,
		boolean	force_baseline
	)

Definition at line 19 of file jcparam.cpp.

References CSTATE_START, DCTSIZE2, ERREXIT1, FALSE, jpeg_alloc_quant_table(), and NUM_QUANT_TBLS.

Referenced by jpeg_set_linear_quality().

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jpeg_default_colorspace()

jpeg_default_colorspace

(

j_compress_ptr

cinfo

)

Definition at line 389 of file jcparam.cpp.

References ERREXIT, JCS_CMYK, JCS_GRAYSCALE, JCS_RGB, JCS_UNKNOWN, JCS_YCbCr, JCS_YCCK, and jpeg_set_colorspace().

Referenced by jpeg_set_defaults().

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jpeg_quality_scaling()

jpeg_quality_scaling

(

int

quality

)

Definition at line 91 of file jcparam.cpp.

Referenced by jpeg_set_quality().

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jpeg_set_colorspace()

jpeg_set_colorspace	(	j_compress_ptr	cinfo,
		J_COLOR_SPACE	colorspace
	)

Definition at line 422 of file jcparam.cpp.

References compptr, CSTATE_START, ERREXIT, ERREXIT1, ERREXIT2, FALSE, JCS_CMYK, JCS_GRAYSCALE, JCS_RGB, JCS_UNKNOWN, JCS_YCbCr, JCS_YCCK, MAX_COMPONENTS, SET_COMP, and TRUE.

Referenced by jpeg_copy_critical_parameters(), and jpeg_default_colorspace().

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jpeg_set_defaults()

jpeg_set_defaults

(

j_compress_ptr

cinfo

)

Definition at line 299 of file jcparam.cpp.

References BITS_IN_JSAMPLE, CSTATE_START, ERREXIT1, FALSE, JDCT_DEFAULT, jpeg_default_colorspace(), jpeg_set_quality(), JPOOL_PERMANENT, MAX_COMPONENTS, NUM_ARITH_TBLS, SIZEOF, std_huff_tables(), and TRUE.

Referenced by jpeg_copy_critical_parameters(), and mrpt::utils::CImage::saveToStreamAsJPEG().

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jpeg_set_linear_quality()

jpeg_set_linear_quality	(	j_compress_ptr	cinfo,
		int	scale_factor,
		boolean	force_baseline
	)

Definition at line 60 of file jcparam.cpp.

References DCTSIZE2, and jpeg_add_quant_table().

Referenced by jpeg_set_quality().

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jpeg_set_quality()

jpeg_set_quality	(	j_compress_ptr	cinfo,
		int	quality,
		boolean	force_baseline
	)

Definition at line 117 of file jcparam.cpp.

References jpeg_quality_scaling(), and jpeg_set_linear_quality().

Referenced by jpeg_set_defaults(), and mrpt::utils::CImage::saveToStreamAsJPEG().

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jpeg_simple_progression()

jpeg_simple_progression

(

j_compress_ptr

cinfo

)

Definition at line 571 of file jcparam.cpp.

References CSTATE_START, ERREXIT1, fill_a_scan(), fill_dc_scans(), fill_scans(), JCS_YCbCr, JPOOL_PERMANENT, MAX, MAX_COMPS_IN_SCAN, and SIZEOF.

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std_huff_tables()

std_huff_tables

(

j_compress_ptr

cinfo

)

Definition at line 164 of file jcparam.cpp.

References add_huff_table().

Referenced by jpeg_set_defaults().

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