annotate src/imgproc.h @ 5284:d27c1ee1943b

Make the order of preloaded-file-list more sane. lisp/ChangeLog addition: 2010-10-12 Aidan Kehoe <kehoea@parhasard.net> * abbrev.el (fundamental-mode-abbrev-table, global-abbrev-table): Create both these abbrev tables using the usual #'define-abbrev-table calls, rather than attempting to special-case them. * cl-extra.el: Force cl-macs to be loaded here, if cl-extra.el is being loaded interpreted. Previously other, later files would redundantly call (load "cl-macs") when interpreted, it's more reasonable to do it here, once. * cmdloop.el (read-quoted-char-radix): Use defcustom here, we don't have any dump-order dependencies that would prevent that. * custom.el (eval-when-compile): Don't load cl-macs when interpreted or when byte-compiling, rely on cl-extra.el in the former case and the appropriate entry in bytecomp-load-hook in the latter. Get rid of custom-declare-variable-list, we have no dump-time dependencies that would require it. * faces.el (eval-when-compile): Don't load cl-macs when interpreted or when byte-compiling. * packages.el: Remove some inaccurate comments. * post-gc.el (cleanup-simple-finalizers): Use #'delete-if-not here, now the order of preloaded-file-list has been changed to make it available. * subr.el (custom-declare-variable-list): Remove. No need for it. Also remove a stub define-abbrev-table from this file, given the current order of preloaded-file-list there's no need for it.
author Aidan Kehoe <kehoea@parhasard.net>
date Tue, 12 Oct 2010 21:11:46 +0100
parents 8de8e3f6228a
children 2aa9cd456ae7
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1 /* Image processing aux functions header file
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2 Copyright (C) 1998 Jareth Hein
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3
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4 This file is a part of XEmacs
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 #ifndef INCLUDED_imgproc_h_
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22 #define INCLUDED_imgproc_h_
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23
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24 /* Synched up with: Not in FSF. */
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25
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26 /* Original author: Jareth Hein */
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27
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28 #define MAX_CMAP_SIZE 256
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29 #define COLOR_DEPTH 8
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30 #define MAX_COLOR 256
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31
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32 #define B_DEPTH 5 /* # bits/pixel to use */
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33 #define B_LEN (1L<<B_DEPTH)
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34
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35 #define C_DEPTH 2
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36 #define C_LEN (1L<<C_DEPTH) /* # cells/color to use */
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37
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38 #define COLOR_SHIFT (COLOR_DEPTH-B_DEPTH)
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39
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40 typedef struct colorbox {
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41 struct colorbox *next, *prev;
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42 int rmin, rmax;
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43 int gmin, gmax;
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44 int bmin, bmax;
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45 int total;
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46 } Colorbox;
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47
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48 typedef struct {
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49 int num_ents;
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50 int entries[MAX_CMAP_SIZE][2];
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51 } C_cell;
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52
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53 typedef struct {
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54 unsigned short rm[MAX_CMAP_SIZE], gm[MAX_CMAP_SIZE], bm[MAX_CMAP_SIZE]; /* map values */
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55 int um[MAX_CMAP_SIZE]; /* usage counts for each mapentry */
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56 int histogram[B_LEN][B_LEN][B_LEN];
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57 int num_active_colors;
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58 Colorbox *freeboxes; /* used and freed internally */
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59 Colorbox *usedboxes; /* used and freed internally */
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60 C_cell **ColorCells; /* used and freed internally */
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61 } quant_table;
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62
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63 #define QUANT_GET_COLOR(qt,r,g,b) (qt->histogram[r>>COLOR_SHIFT][g>>COLOR_SHIFT][b>>COLOR_SHIFT])
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64
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65 quant_table *build_EImage_quantable(unsigned char *eimage, int width, int height, int num_colors);
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67 #endif /* INCLUDED_imgproc_h_ */