jquant2.c File Reference

#include "jinclude.h"
#include "jpeglib.h"

Data Structures
struct	box
struct	my_cquantizer

Macros
#define	B_SCALE   1 /* and B by this much */
#define	BOX_C0_ELEMS   (1<<BOX_C0_LOG) /* # of hist cells in update box */
#define	BOX_C0_LOG   (HIST_C0_BITS-3)
#define	BOX_C0_SHIFT   (C0_SHIFT + BOX_C0_LOG)
#define	BOX_C1_ELEMS   (1<<BOX_C1_LOG)
#define	BOX_C1_LOG   (HIST_C1_BITS-3)
#define	BOX_C1_SHIFT   (C1_SHIFT + BOX_C1_LOG)
#define	BOX_C2_ELEMS   (1<<BOX_C2_LOG)
#define	BOX_C2_LOG   (HIST_C2_BITS-3)
#define	BOX_C2_SHIFT   (C2_SHIFT + BOX_C2_LOG)
#define	C0_SCALE   B_SCALE
#define	C0_SHIFT   (BITS_IN_JSAMPLE-HIST_C0_BITS)
#define	C1_SCALE   G_SCALE
#define	C1_SHIFT   (BITS_IN_JSAMPLE-HIST_C1_BITS)
#define	C2_SCALE   R_SCALE
#define	C2_SHIFT   (BITS_IN_JSAMPLE-HIST_C2_BITS)
#define	G_SCALE   3 /* scale G distances by this much */
#define	HIST_C0_BITS   5 /* bits of precision in R/B histogram */
#define	HIST_C0_ELEMS   (1<<HIST_C0_BITS)
#define	HIST_C1_BITS   6 /* bits of precision in G histogram */
#define	HIST_C1_ELEMS   (1<<HIST_C1_BITS)
#define	HIST_C2_BITS   5 /* bits of precision in B/R histogram */
#define	HIST_C2_ELEMS   (1<<HIST_C2_BITS)
#define	JPEG_INTERNALS
#define	MAXNUMCOLORS   (MAXJSAMPLE+1) /* maximum size of colormap */
#define	R_SCALE   2 /* scale R distances by this much */
#define	STEP_C0   ((1 << C0_SHIFT) * C0_SCALE)
#define	STEP_C1   ((1 << C1_SHIFT) * C1_SCALE)
#define	STEP_C2   ((1 << C2_SHIFT) * C2_SCALE)
#define	STEPSIZE   ((MAXJSAMPLE+1)/16)

Typedefs
typedef box *	boxptr
typedef INT16	FSERROR
typedef FSERROR FAR *	FSERRPTR
typedef histcell	hist1d [HIST_C2_ELEMS]
typedef hist1d FAR *	hist2d
typedef hist2d *	hist3d
typedef UINT16	histcell
typedef histcell FAR *	histptr
typedef int	LOCFSERROR
typedef my_cquantizer *	my_cquantize_ptr

Functions
	compute_color (cinfo,&boxlist[i], i)
	find_best_colors (j_decompress_ptr cinfo, int minc0, int minc1, int minc2, int numcolors, JSAMPLE colorlist[], JSAMPLE bestcolor[])
	find_best_colors (cinfo, minc0, minc1, minc2, numcolors, colorlist, bestcolor)
	find_nearby_colors (j_decompress_ptr cinfo, int minc0, int minc1, int minc2, JSAMPLE colorlist[])
	finish_pass1 (j_decompress_ptr cinfo)
	finish_pass2 (j_decompress_ptr cinfo)
	for (i=0, boxp=boxlist;i< numboxes;i++, boxp++)
	for (c1=c1min;c1<=c1max;c1++)
	for (row=0;row< num_rows;row++)
	for (;in<=MAXJSAMPLE;in++)
	jinit_2pass_quantizer (j_decompress_ptr cinfo)
	median_cut (j_decompress_ptr cinfo, boxptr boxlist, int numboxes, int desired_colors)
	new_color_map_2_quant (j_decompress_ptr cinfo)
	pass2_fs_dither (j_decompress_ptr cinfo, JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows)
	prescan_quantize (j_decompress_ptr cinfo, JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows)
	start_pass_2_quant (j_decompress_ptr cinfo, boolean is_pre_scan)
	TRACEMS1 (cinfo, 1, JTRC_QUANT_SELECTED, numboxes)
	update_box (cinfo,&boxlist[0])

Variables
have_c0min	__pad0__
have_c0max	__pad1__
have_c1min	__pad2__
have_c1max	__pad3__
have_c2min	__pad4__
have_c2max	__pad5__
cinfo	actual_number_of_colors = numboxes
JSAMPLE	bestcolor [BOX_C0_ELEMS *BOX_C1_ELEMS *BOX_C2_ELEMS]
	boxlist
int	c0 = BOX_C0_LOG
int	c0max = boxp->c0max
int	c0min = boxp->c0min
long	c0total = 0
int	c1 = BOX_C1_LOG
int	c1max = boxp->c1max
int	c1min = boxp->c1min
long	c1total = 0
int	c2 = BOX_C2_LOG
int	c2max = boxp->c2max
int	c2min = boxp->c2min
long	c2total = 0
register histptr	cachep
long	ccount = 0
JDIMENSION	col
boxp	colorcount = ccount
JSAMPLE	colorlist [MAXNUMCOLORS]
cinfo	colormap [0][icolor] = (JSAMPLE) ((c0total + (total>>1)) / total)
long	count
register JSAMPLE *	cptr
c0<<=BOX_C0_LOG;c1 <<=BOX_C1_LOG;c2<<=BOX_C2_LOG;cptr=bestcolor;for(ic0=0;ic0 < BOX_C0_ELEMS;ic0++){for(ic1=0;ic1 < BOX_C1_ELEMS;ic1++){cachep=&histogram[c0+ic0][c1+ic1][c2];for(ic2=0;ic2 < BOX_C2_ELEMS;ic2++){*cachep++=(histcell)(GETJSAMPLE(*cptr++)+1);}}}}pass2_no_dither(j_decompress_ptr cinfo, JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows){my_cquantize_ptr cquantize=(my_cquantize_ptr) cinfo->	cquantize
INT32	dist0
INT32	dist1 = ((c1max - c1min) << C1_SHIFT) * C1_SCALE
INT32	dist2 = ((c2max - c2min) << C2_SHIFT) * C2_SCALE
cquantize	error_limiter = table
goto	have_c0max
goto	have_c1max
goto	have_c1min
goto	have_c2max
goto	have_c2min
hist3d	histogram = cquantize->histogram
histptr	histp
register int	i
int	ic0
int	ic1
int	ic2
int	in
register JSAMPROW	inptr
register long	maxc = 0
register INT32	maxv = 0
int	minc0 = (c0 << BOX_C0_SHIFT) + ((1 << C0_SHIFT) >> 1)
int	minc1 = (c1 << BOX_C1_SHIFT) + ((1 << C1_SHIFT) >> 1)
int	minc2 = (c2 << BOX_C2_SHIFT) + ((1 << C2_SHIFT) >> 1)
int	numboxes
int	numcolors = find_nearby_colors(cinfo, minc0, minc1, minc2, colorlist)
int	out = 0
register JSAMPROW	outptr
int	row
int *	table
long	total = 0
boxp	volume = dist0*dist0 + dist1*dist1 + dist2*dist2
boxptr	which = NULL
JDIMENSION	width = cinfo->output_width

#define B_SCALE   1 /* and B by this much */

#define BOX_C0_ELEMS   (1<<BOX_C0_LOG) /* # of hist cells in update box */

Referenced by find_best_colors().

#define BOX_C0_LOG   (HIST_C0_BITS-3)

#define BOX_C0_SHIFT   (C0_SHIFT + BOX_C0_LOG)

Referenced by find_nearby_colors().

#define BOX_C1_ELEMS   (1<<BOX_C1_LOG)

Referenced by find_best_colors().

#define BOX_C1_LOG   (HIST_C1_BITS-3)

#define BOX_C1_SHIFT   (C1_SHIFT + BOX_C1_LOG)

Referenced by find_nearby_colors().

#define BOX_C2_ELEMS   (1<<BOX_C2_LOG)

Referenced by find_best_colors().

#define BOX_C2_LOG   (HIST_C2_BITS-3)

#define BOX_C2_SHIFT   (C2_SHIFT + BOX_C2_LOG)

Referenced by find_nearby_colors().

#define C0_SCALE   B_SCALE

Referenced by find_best_colors(), find_nearby_colors(), and median_cut().

#define C0_SHIFT   (BITS_IN_JSAMPLE-HIST_C0_BITS)

Referenced by for(), median_cut(), pass2_fs_dither(), and prescan_quantize().

#define C1_SCALE   G_SCALE

Referenced by find_best_colors(), find_nearby_colors(), and median_cut().

#define C1_SHIFT   (BITS_IN_JSAMPLE-HIST_C1_BITS)

Referenced by for(), median_cut(), pass2_fs_dither(), and prescan_quantize().

#define C2_SCALE   R_SCALE

Referenced by find_best_colors(), find_nearby_colors(), and median_cut().

#define C2_SHIFT   (BITS_IN_JSAMPLE-HIST_C2_BITS)

Referenced by for(), median_cut(), pass2_fs_dither(), and prescan_quantize().

#define G_SCALE   3 /* scale G distances by this much */

#define HIST_C0_BITS   5 /* bits of precision in R/B histogram */

#define HIST_C0_ELEMS   (1<<HIST_C0_BITS)

Referenced by jinit_2pass_quantizer(), and start_pass_2_quant().

#define HIST_C1_BITS   6 /* bits of precision in G histogram */

#define HIST_C1_ELEMS   (1<<HIST_C1_BITS)

Referenced by jinit_2pass_quantizer(), and start_pass_2_quant().

#define HIST_C2_BITS   5 /* bits of precision in B/R histogram */

#define HIST_C2_ELEMS   (1<<HIST_C2_BITS)

Referenced by jinit_2pass_quantizer(), and start_pass_2_quant().

#define JPEG_INTERNALS

#define MAXNUMCOLORS   (MAXJSAMPLE+1) /* maximum size of colormap */

Referenced by find_nearby_colors(), jinit_2pass_quantizer(), and start_pass_2_quant().

#define R_SCALE   2 /* scale R distances by this much */

#define STEP_C0   ((1 << C0_SHIFT) * C0_SCALE)

Referenced by find_best_colors().

#define STEP_C1   ((1 << C1_SHIFT) * C1_SCALE)

Referenced by find_best_colors().

#define STEP_C2   ((1 << C2_SHIFT) * C2_SCALE)

Referenced by find_best_colors().

#define STEPSIZE   ((MAXJSAMPLE+1)/16)

typedef box* boxptr

typedef INT16 FSERROR

typedef FSERROR FAR* FSERRPTR

typedef histcell hist1d[HIST_C2_ELEMS]

typedef hist1d FAR* hist2d

typedef hist2d* hist3d

typedef UINT16 histcell

typedef histcell FAR* histptr

typedef int LOCFSERROR

typedef my_cquantizer* my_cquantize_ptr

compute_color	(	cinfo	,
		&	boxlist[i],
		i
	)

find_best_colors	(	j_decompress_ptr	cinfo,
		int	minc0,
		int	minc1,
		int	minc2,
		int	numcolors,
		JSAMPLE	colorlist[],
		JSAMPLE	bestcolor[]
	)

References bestcolor, BOX_C0_ELEMS, BOX_C1_ELEMS, BOX_C2_ELEMS, bptr, C0_SCALE, C1_SCALE, C2_SCALE, cptr, dist0, dist1, dist2, GETJSAMPLE, i, ic0, ic1, ic2, numcolors, STEP_C0, STEP_C1, and STEP_C2.

find_best_colors	(	cinfo	,
		minc0	,
		minc1	,
		minc2	,
		numcolors	,
		colorlist	,
		bestcolor
	)

find_nearby_colors	(	j_decompress_ptr	cinfo,
		int	minc0,
		int	minc1,
		int	minc2,
		JSAMPLE	colorlist[]
	)

References BOX_C0_SHIFT, BOX_C1_SHIFT, BOX_C2_SHIFT, C0_SCALE, C1_SCALE, C2_SCALE, GETJSAMPLE, i, MAXNUMCOLORS, minc0, minc1, minc2, numcolors, and x.

finish_pass1

(

j_decompress_ptr

cinfo

)

References my_cquantizer::desired, my_cquantizer::needs_zeroed, my_cquantizer::sv_colormap, and TRUE.

Referenced by start_pass_2_quant().

finish_pass2

(

j_decompress_ptr

cinfo

)

Referenced by start_pass_2_quant().

for

(

i

= 0

)

References box::colorcount, and box::volume.

for

(

c1

= c1min; c1 <= c1max; c1++

)

References c0, c1, c2, c2max, c2min, histogram, and histp.

for

(

)

References c0, C0_SHIFT, c1, C1_SHIFT, c2, C2_SHIFT, cachep, col, GETJSAMPLE, histogram, outptr, row, and width.

for

(

;in<=MAXJSAMPLE;in++

)

References in, out, and table.

jinit_2pass_quantizer

(

j_decompress_ptr

cinfo

)

References cinfo, cquantize, my_cquantizer::desired, desired, ERREXIT, ERREXIT1, my_cquantizer::error_limiter, my_cquantizer::fserrors, HIST_C0_ELEMS, HIST_C1_ELEMS, HIST_C2_ELEMS, my_cquantizer::histogram, i, JDITHER_FS, JDITHER_NONE, JPOOL_IMAGE, MAXNUMCOLORS, my_cquantizer::needs_zeroed, new_color_map_2_quant(), NULL, my_cquantizer::pub, SIZEOF, start_pass_2_quant(), my_cquantizer::sv_colormap, and TRUE.

Referenced by master_selection().

median_cut	(	j_decompress_ptr	cinfo,
		boxptr	boxlist,
		int	numboxes,
		int	desired_colors
	)

References c0, C0_SCALE, C0_SHIFT, box::c0max, box::c0min, c1, C1_SCALE, C1_SHIFT, box::c1max, box::c1min, c2, C2_SCALE, C2_SHIFT, box::c2max, box::c2min, n, NULL, numboxes, and update_box().

new_color_map_2_quant

(

j_decompress_ptr

cinfo

)

References my_cquantizer::needs_zeroed, and TRUE.

Referenced by jinit_2pass_quantizer().

pass2_fs_dither	(	j_decompress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JSAMPARRAY	output_buf,
		int	num_rows
	)

References C0_SHIFT, C1_SHIFT, C2_SHIFT, cachep, col, my_cquantizer::error_limiter, FALSE, for(), my_cquantizer::fserrors, GETJSAMPLE, my_cquantizer::histogram, histogram, num_rows, my_cquantizer::on_odd_row, outptr, RIGHT_SHIFT, row, SHIFT_TEMPS, TRUE, and width.

Referenced by start_pass_2_quant().

prescan_quantize	(	j_decompress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JSAMPARRAY	output_buf,
		int	num_rows
	)

References C0_SHIFT, C1_SHIFT, C2_SHIFT, col, cquantize, for(), GETJSAMPLE, my_cquantizer::histogram, histogram, histp, num_rows, row, and width.

Referenced by start_pass_2_quant().

start_pass_2_quant	(	j_decompress_ptr	cinfo,
		boolean	is_pre_scan
	)

References ERREXIT1, my_cquantizer::error_limiter, FALSE, FAR, finish_pass1(), finish_pass2(), my_cquantizer::fserrors, HIST_C0_ELEMS, HIST_C1_ELEMS, HIST_C2_ELEMS, my_cquantizer::histogram, histogram, if(), JDITHER_FS, JDITHER_NONE, MAXNUMCOLORS, my_cquantizer::needs_zeroed, NULL, my_cquantizer::on_odd_row, pass2_fs_dither(), prescan_quantize(), my_cquantizer::pub, SIZEOF, and TRUE.

Referenced by jinit_2pass_quantizer().

TRACEMS1	(	cinfo	,
		1	,
		JTRC_QUANT_SELECTED	,
		numboxes
	)

update_box	(	cinfo	,
		&	boxlist[0]
	)

Referenced by median_cut().

have_c0min __pad0__

have_c0max __pad1__

have_c1min __pad2__

have_c1max __pad3__

have_c2min __pad4__

have_c2max __pad5__

cinfo actual_number_of_colors = numboxes

JSAMPLE bestcolor[BOX_C0_ELEMS *BOX_C1_ELEMS *BOX_C2_ELEMS]

Referenced by find_best_colors().

boxlist

Initial value:

= (boxptr) (*cinfo->mem->alloc_small)
    ((j_common_ptr) cinfo, JPOOL_IMAGE, desired_colors * SIZEOF(box))

register int c0 = BOX_C0_LOG

Referenced by dsp16_op_kernel_cosfix(), for(), math::matrix3d::matrix3d(), math::matrix4d::matrix4d(), median_cut(), and utf8_to_unicode().

int c0max = boxp->c0max

int c0min = boxp->c0min

long c0total = 0

register int c1 = BOX_C1_LOG

Referenced by for(), jpeg_gen_optimal_table(), math::matrix3d::matrix3d(), math::matrix4d::matrix4d(), median_cut(), and utf8_to_unicode().

int c1max = boxp->c1max

int c1min = boxp->c1min

long c1total = 0

register int c2 = BOX_C2_LOG

Referenced by dsp16_op_kernel_cosfix(), for(), jpeg_gen_optimal_table(), math::matrix3d::matrix3d(), math::matrix4d::matrix4d(), median_cut(), and utf8_to_unicode().

int c2max = boxp->c2max

Referenced by for().

int c2min = boxp->c2min

Referenced by for().

long c2total = 0

register histptr cachep

Referenced by for(), and pass2_fs_dither().

ccount = 0

JDIMENSION col

Referenced by cmyk_ycck_convert(), color_quantize(), color_quantize3(), et024006_DrawBitmap(), et024006_PrintString(), for(), gray_rgb_convert(), grayscale_convert(), h2v1_merged_upsample(), h2v2_merged_upsample(), null_convert(), pass2_fs_dither(), prescan_quantize(), quantize3_ord_dither(), quantize_fs_dither(), quantize_ord_dither(), rgb_gray_convert(), rgb_ycc_convert(), start_pass(), start_pass_fdctmgr(), ycc_rgb565_convert(), ycc_rgb_convert(), and ycck_cmyk_convert().

boxp colorcount = ccount

JSAMPLE colorlist[MAXNUMCOLORS]

cinfo colormap = (JSAMPLE) ((c0total + (total>>1)) / total)

Referenced by create_colormap().

long count

Referenced by ak8975_get_data(), audio_mixer_dacs_get_volume_direct(), audio_mixer_dacs_is_volume_muted_direct(), audio_mixer_dacs_set_volume_direct(), bma020_get_accel(), bma150_get_accel(), bma180_get_accel(), bma220_get_accel(), bma222_get_accel(), bma250_get_accel(), et024006_CopyPixelsFromScreen(), et024006_DrawFilledRect(), et024006_DuplicatePixel(), et024006_GetPixmap(), et024006_PutBitmap(), et024006_PutPixmap(), expand_right_edge(), hmc5883l_device_id(), hmc5883l_get_data(), hmc5883l_selftest(), imu3000_get_rotation(), imu3000_get_temperature(), is_usb_mouse_event(), itg3200_get_rotation(), itg3200_get_temperature(), jcopy_block_row(), jcopy_sample_rows(), kxtf9_get_accel(), main(), memcpy_be(), null_convert(), pbuf_free(), sensor_device_enum(), sfh5712_get_light(), sfh7770_get_light(), sfh7770_get_proximity(), usb_stream_count_nb_buffer(), and while().

register JSAMPLE* cptr

Referenced by find_best_colors().

c0<<= BOX_C0_LOG; c1 <<= BOX_C1_LOG; c2 <<= BOX_C2_LOG; cptr = bestcolor; for (ic0 = 0; ic0 < BOX_C0_ELEMS; ic0++) { for (ic1 = 0; ic1 < BOX_C1_ELEMS; ic1++) { cachep = & histogram[c0+ic0][c1+ic1][c2]; for (ic2 = 0; ic2 < BOX_C2_ELEMS; ic2++) { *cachep++ = (histcell) (GETJSAMPLE(*cptr++) + 1); } } }}pass2_no_dither (j_decompress_ptr cinfo, JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows){ my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo-> cquantize

Referenced by alloc_fs_workspace(), color_quantize(), color_quantize3(), create_colorindex(), create_colormap(), create_odither_tables(), jinit_1pass_quantizer(), jinit_2pass_quantizer(), prescan_quantize(), quantize3_ord_dither(), quantize_fs_dither(), quantize_ord_dither(), and start_pass_1_quant().

INT32 dist0

Referenced by find_best_colors().

dist1 = ((c1max - c1min) << C1_SHIFT) * C1_SCALE

Referenced by find_best_colors().

dist2 = ((c2max - c2min) << C2_SHIFT) * C2_SCALE

Referenced by find_best_colors().

cquantize error_limiter = table

goto have_c0max

goto have_c1max

goto have_c1min

goto have_c2max

goto have_c2min

hist3d histogram = cquantize->histogram

Referenced by for(), pass2_fs_dither(), prescan_quantize(), and start_pass_2_quant().

histptr histp

Referenced by for(), and prescan_quantize().

int i

Initial value:

{
  register boxptr boxp

int ic0

Referenced by find_best_colors().

int ic1

Referenced by find_best_colors().

int ic2

Referenced by find_best_colors().

int in

Referenced by dsp_adpcm_ima_decode(), and for().

register JSAMPROW inptr

Referenced by cmyk_ycck_convert(), fullsize_smooth_downsample(), gray_rgb_convert(), grayscale_convert(), h2v1_downsample(), h2v1_fancy_upsample(), h2v1_upsample(), h2v2_upsample(), int_downsample(), int_upsample(), jcopy_block_row(), jcopy_sample_rows(), jpeg_idct_2x2(), jpeg_idct_4x4(), jpeg_idct_ifast(), jpeg_idct_islow(), null_convert(), rgb_gray_convert(), and rgb_ycc_convert().

register long maxc = 0

register INT32 maxv = 0

minc0 = (c0 << BOX_C0_SHIFT) + ((1 << C0_SHIFT) >> 1)

Referenced by find_nearby_colors().

minc1 = (c1 << BOX_C1_SHIFT) + ((1 << C1_SHIFT) >> 1)

Referenced by find_nearby_colors().

minc2 = (c2 << BOX_C2_SHIFT) + ((1 << C2_SHIFT) >> 1)

Referenced by find_nearby_colors().

numboxes

Initial value:

{
  boxptr boxlist

Referenced by median_cut().

numcolors = find_nearby_colors(cinfo, minc0, minc1, minc2, colorlist)

Referenced by find_best_colors(), and find_nearby_colors().

out = 0

Referenced by dsp16_debug_sprintf(), dsp16_sprintf(), dsp32_debug_sprintf(), dsp32_sprintf(), dsp_adpcm_ima_encode(), dsp_sprint_ui(), for(), LodePNG_decode(), print(), printk_va(), str2ip(), and udp_recv_cb().

register JSAMPROW outptr

Referenced by for(), fullsize_smooth_downsample(), gray_rgb_convert(), grayscale_convert(), h2v1_downsample(), h2v1_fancy_upsample(), h2v1_merged_upsample(), h2v1_upsample(), h2v2_downsample(), h2v2_fancy_upsample(), h2v2_smooth_downsample(), h2v2_upsample(), int_downsample(), int_upsample(), jcopy_block_row(), jcopy_sample_rows(), jpeg_idct_2x2(), jpeg_idct_4x4(), jpeg_idct_ifast(), jpeg_idct_islow(), null_convert(), pass2_fs_dither(), rgb_gray_convert(), ycc_rgb_convert(), and ycck_cmyk_convert().

int row

Referenced by color_quantize(), color_quantize3(), et024006_DrawBitmap(), et024006_PrintString(), expand_bottom_edge(), expand_right_edge(), for(), jcopy_sample_rows(), pass2_fs_dither(), pre_process_context(), prescan_quantize(), quantize3_ord_dither(), quantize_fs_dither(), quantize_ord_dither(), start_pass(), and start_pass_fdctmgr().

table

Initial value:

{
  my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize

Referenced by for().

long total = 0

Referenced by membag_get_total(), and nav_filterlist_nb().

boxp volume = dist0*dist0 + dist1*dist1 + dist2*dist2

return which = NULL

JDIMENSION width = cinfo->output_width

Referenced by color_quantize(), color_quantize3(), flashc_erase_gp_fuse_bitfield(), for(), gfx_generic_draw_filled_rect(), gui_buffer_print_dsp16_bars(), gui_buffer_print_dsp16_signal(), main(), pass2_fs_dither(), prescan_quantize(), print(), printi(), printk_va(), prints(), quantize3_ord_dither(), quantize_fs_dither(), quantize_ord_dither(), and wtk_label_handler().