view src/imgproc.h @ 5066:545ec923b4eb

add documentation on keywords to cl*.el -------------------- ChangeLog entries follow: -------------------- lisp/ChangeLog addition: 2010-02-22 Ben Wing <ben@xemacs.org> * cl-seq.el: * cl-seq.el (reduce): * cl-seq.el (fill): * cl-seq.el (replace): * cl-seq.el (remove*): * cl-seq.el (remove-if): * cl-seq.el (remove-if-not): * cl-seq.el (delete*): * cl-seq.el (delete-if): * cl-seq.el (delete-if-not): * cl-seq.el (remove-duplicates): * cl-seq.el (delete-duplicates): * cl-seq.el (substitute): * cl-seq.el (substitute-if): * cl-seq.el (substitute-if-not): * cl-seq.el (nsubstitute): * cl-seq.el (nsubstitute-if): * cl-seq.el (nsubstitute-if-not): * cl-seq.el (find): * cl-seq.el (find-if): * cl-seq.el (find-if-not): * cl-seq.el (position): * cl-seq.el (position-if): * cl-seq.el (position-if-not): * cl-seq.el (count): * cl-seq.el (count-if): * cl-seq.el (count-if-not): * cl-seq.el (mismatch): * cl-seq.el (search): * cl-seq.el (sort*): * cl-seq.el (stable-sort): * cl-seq.el (merge): * cl-seq.el (member*): * cl-seq.el (member-if): * cl-seq.el (member-if-not): * cl-seq.el (assoc*): * cl-seq.el (assoc-if): * cl-seq.el (assoc-if-not): * cl-seq.el (rassoc*): * cl-seq.el (rassoc-if): * cl-seq.el (rassoc-if-not): * cl-seq.el (union): * cl-seq.el (nunion): * cl-seq.el (intersection): * cl-seq.el (nintersection): * cl-seq.el (set-difference): * cl-seq.el (nset-difference): * cl-seq.el (set-exclusive-or): * cl-seq.el (nset-exclusive-or): * cl-seq.el (subsetp): * cl-seq.el (subst-if): * cl-seq.el (subst-if-not): * cl-seq.el (nsubst): * cl-seq.el (nsubst-if): * cl-seq.el (nsubst-if-not): * cl-seq.el (sublis): * cl-seq.el (nsublis): * cl-seq.el (tree-equal): * cl-seq.el (cl-tree-equal-rec): * cl.el: * cl.el (pushnew): * cl.el (adjoin): * cl.el (subst): Document the keywords to the various sequence/list functions.
author Ben Wing <ben@xemacs.org>
date Mon, 22 Feb 2010 21:17:47 -0600 (2010-02-23)
parents 8de8e3f6228a
children 2aa9cd456ae7
line wrap: on
line source
/* Image processing aux functions header file
   Copyright (C) 1998 Jareth Hein

This file is a part of XEmacs

XEmacs is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.

XEmacs is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with XEmacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

#ifndef INCLUDED_imgproc_h_
#define INCLUDED_imgproc_h_

/* Synched up with: Not in FSF. */

/* Original author: Jareth Hein */

#define	MAX_CMAP_SIZE	256
#define	COLOR_DEPTH	8
#define	MAX_COLOR	256

#define	B_DEPTH		5		/* # bits/pixel to use */
#define	B_LEN		(1L<<B_DEPTH)

#define	C_DEPTH		2
#define	C_LEN		(1L<<C_DEPTH)	/* # cells/color to use */

#define	COLOR_SHIFT	(COLOR_DEPTH-B_DEPTH)

typedef	struct colorbox {
	struct	colorbox *next, *prev;
	int	rmin, rmax;
	int	gmin, gmax;
	int	bmin, bmax;
	int	total;
} Colorbox;

typedef struct {
	int	num_ents;
	int	entries[MAX_CMAP_SIZE][2];
} C_cell;

typedef struct {
  unsigned short rm[MAX_CMAP_SIZE], gm[MAX_CMAP_SIZE], bm[MAX_CMAP_SIZE]; /* map values */
  int um[MAX_CMAP_SIZE]; /* usage counts for each mapentry */
  int histogram[B_LEN][B_LEN][B_LEN]; 
  int num_active_colors;
  Colorbox *freeboxes; /* used and freed internally */
  Colorbox *usedboxes; /* used and freed internally */
  C_cell **ColorCells; /* used and freed internally */
} quant_table;

#define QUANT_GET_COLOR(qt,r,g,b) (qt->histogram[r>>COLOR_SHIFT][g>>COLOR_SHIFT][b>>COLOR_SHIFT])

quant_table *build_EImage_quantable(unsigned char *eimage, int width, int height, int num_colors);

#endif /* INCLUDED_imgproc_h_ */