wrppm.c File Reference

#include "cdjpeg.h"

Go to the source code of this file.

Macros
#define	PUTPPMSAMPLE(ptr, v)   *ptr++ = (char) (v)
#define	BYTESPERSAMPLE   1
#define	PPM_MAXVAL   255

Typedefs
typedef ppm_dest_struct *	ppm_dest_ptr

Functions
	put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, JDIMENSION rows_supplied)
	copy_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, JDIMENSION rows_supplied)
	put_demapped_rgb (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, JDIMENSION rows_supplied)
	put_demapped_gray (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, JDIMENSION rows_supplied)
	start_output_ppm (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
	finish_output_ppm (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
	jinit_write_ppm (j_decompress_ptr cinfo)

Macro Definition Documentation

BYTESPERSAMPLE

#define BYTESPERSAMPLE   1

Definition at line 35 of file wrppm.c.

Referenced by jinit_write_ppm().

PPM_MAXVAL

#define PPM_MAXVAL   255

Definition at line 36 of file wrppm.c.

Referenced by start_output_ppm().

PUTPPMSAMPLE

#define PUTPPMSAMPLE	(		ptr,
			v
	)		*ptr++ = (char) (v)

Definition at line 34 of file wrppm.c.

Referenced by copy_pixel_rows(), put_demapped_gray(), and put_demapped_rgb().

Typedef Documentation

ppm_dest_ptr

typedef ppm_dest_struct* ppm_dest_ptr

Definition at line 78 of file wrppm.c.

Function Documentation

copy_pixel_rows()

copy_pixel_rows	(	j_decompress_ptr	cinfo,
		djpeg_dest_ptr	dinfo,
		JDIMENSION	rows_supplied
	)

Definition at line 105 of file wrppm.c.

References GETJSAMPLE, JFWRITE, METHODDEF, ptr, PUTPPMSAMPLE, and void().

Referenced by jinit_write_ppm().

finish_output_ppm()

finish_output_ppm	(	j_decompress_ptr	cinfo,
		djpeg_dest_ptr	dinfo
	)

Definition at line 205 of file wrppm.c.

References ERREXIT, and GLOBAL.

Referenced by jinit_write_ppm().

jinit_write_ppm()

jinit_write_ppm

(

j_decompress_ptr

cinfo

)

Definition at line 219 of file wrppm.c.

References BITS_IN_JSAMPLE, BYTESPERSAMPLE, copy_pixel_rows(), finish_output_ppm(), JCS_GRAYSCALE, jpeg_calc_output_dimensions(), JPOOL_IMAGE, put_demapped_gray(), put_demapped_rgb(), put_pixel_rows(), SIZEOF, and start_output_ppm().

put_demapped_gray()

put_demapped_gray	(	j_decompress_ptr	cinfo,
		djpeg_dest_ptr	dinfo,
		JDIMENSION	rows_supplied
	)

Definition at line 153 of file wrppm.c.

References GETJSAMPLE, JFWRITE, METHODDEF, ptr, PUTPPMSAMPLE, and void().

Referenced by jinit_write_ppm().

put_demapped_rgb()

put_demapped_rgb	(	j_decompress_ptr	cinfo,
		djpeg_dest_ptr	dinfo,
		JDIMENSION	rows_supplied
	)

Definition at line 128 of file wrppm.c.

References GETJSAMPLE, JFWRITE, METHODDEF, ptr, PUTPPMSAMPLE, and void().

Referenced by jinit_write_ppm().

put_pixel_rows()

put_pixel_rows	(	j_decompress_ptr	cinfo,
		djpeg_dest_ptr	dinfo,
		JDIMENSION	rows_supplied
	)

Definition at line 90 of file wrppm.c.

References JFWRITE, METHODDEF, and void().

Referenced by jinit_write_ppm().

start_output_ppm()

start_output_ppm	(	j_decompress_ptr	cinfo,
		djpeg_dest_ptr	dinfo
	)

Definition at line 176 of file wrppm.c.

References ERREXIT, JCS_GRAYSCALE, JCS_RGB, METHODDEF, and PPM_MAXVAL.

Referenced by jinit_write_ppm().