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/* Copyright (c) 1987 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* RCSid: $Id$ */ |
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/* |
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* driver.h - header file for interactive device drivers. |
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*/ |
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* 2/2/87 |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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struct driver { /* driver functions */ |
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int (*close)(); /* close device */ |
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int (*clear)(); /* clear device */ |
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int (*paintr)(); /* paint rectangle */ |
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void (*close)(); /* close device */ |
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void (*clear)(); /* clear device */ |
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void (*paintr)(); /* paint rectangle */ |
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int (*getcur)(); /* get cursor position */ |
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int (*comout)(); /* command line output */ |
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int (*comin)(); /* command line input */ |
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void (*comout)(); /* command line output */ |
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void (*comin)(); /* command line input */ |
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void (*flush)(); /* flush output */ |
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double pixaspect; /* pixel aspect ratio */ |
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int xsiz, ysiz; /* device size */ |
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int inpready; /* input ready on device */ |
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}; |
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extern int stderr_v(); /* error vectors */ |
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extern int (*wrnvec)(), (*errvec)(), (*cmdvec)(); |
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extern struct driver *comm_init(); /* stream interface */ |
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/* magic numbers for verification */ |
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#define COM_SENDM 0x6f37 |
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#define COM_RECVM 0x51da |
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#define COM_GETCUR 2 |
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#define COM_COMOUT 3 |
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#define COM_COMIN 4 |
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#define NREQUESTS 5 /* number of valid requests */ |
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#define COM_FLUSH 5 |
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#define NREQUESTS 6 /* number of valid requests */ |
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extern struct device { /* interactive device */ |
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char *name; /* device name */ |
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struct driver *(*init)(); /* initialize device */ |
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} devtable[]; /* supported devices */ |
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extern char dev_default[]; /* default device name */ |
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#define MB1 ('\n') /* mouse button 1 */ |
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#define MB2 ('\r') /* mouse button 2 */ |
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#define MB3 (' ') /* mouse button 3 */ |
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* The name string identifies the driver, |
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* and the id string identifies the client. |
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* A device can be open by at most one client. |
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* Be verbose in error reports; call stderr_v(). |
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* If device has its own error output, set errvec, |
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* cmdvec and wrnvec. |
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* Be verbose in error reports; call eputs(). |
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* If device has its own error output, set erract. |
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* } |
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* (*dev->close)() |
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* { |
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* int xmin, ymin, xmax, ymax; |
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* { |
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* Paint a half-open rectangle from (xmin,ymin) to (xmax,ymax) |
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* with the color col. Can call repaint() if necessary. |
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* with the color col. |
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* } |
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* (*dev->getcur)(xp, yp) |
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* int *xp, *yp; |
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* string ends with '\n', the message is considered complete, |
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* and the next call can erase it. |
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* } |
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* (*dev->comin)(in) |
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* char *in; |
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* (*dev->comin)(in, prompt) |
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* char *in, *prompt; |
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* { |
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* Read an edited input string from the command line. If |
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* an unrecognized control character is entered, terminate |
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* input and return the string with only that character. |
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* The input string should not contain a newline. |
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* Must work in consort with comout. |
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* Print a prompt then read an edited input command line |
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* assuming the in buffer is big enough. Unless prompt is NULL, |
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* the driver may substitute its own rview command. This is |
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* the most reliable way to repaint areas of the screen. |
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* If the user enters an unrecognized control character, |
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* terminate input and return the string with only that character. |
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* The input string should not contain a newline. The routines in |
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* editline.c may be useful. Comin must work in consort with comout. |
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* } |
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* (*dev->flush)() |
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* { |
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* Flush output to the display. This is guaranteed to be called |
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* frequently enough to keep the display up to date. |
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* This is an ideal time to check for device input. |
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* This function can be NULL for devices that don't need it. |
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* } |
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* xsiz, ysiz |
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* The maximum allowable x and y dimensions. If any |
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* size is allowable, these should be set to MAXRES. |
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* when characters are ready on the input. (Often easiest |
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* to check for input during calls to paintr.) |
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*/ |
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#ifdef NOPROTO |
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|
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extern void editline(); |
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extern void tocombuf(); |
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extern int fromcombuf(); |
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extern struct driver *slave_init(); |
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extern struct driver *comm_init(); |
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extern int new_ctab(); |
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extern int get_pixel(); |
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extern void make_gmap(); |
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extern void set_cmap(); |
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extern void map_color(); |
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|
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#else |
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/* defined in editline.c */ |
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extern void editline(char *buf, int (*c_get)(), void (*s_put)()); |
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extern void tocombuf(char *b, struct driver *d); |
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extern int fromcombuf(char *b, struct driver *d); |
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/* defined in devcomm.c */ |
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extern struct driver *slave_init(char *dname, char *id); |
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extern struct driver *comm_init(char *dname, char *id); |
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/* defined in colortab.c */ |
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extern int new_ctab(int ncolors); |
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extern int get_pixel(COLOR col, void (*set_pixel)()); |
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extern void make_gmap(double gam); |
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extern void set_cmap(BYTE *rmap, BYTE *gmap, BYTE *bmap); |
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extern void map_color(BYTE rgb[3], COLOR col); |
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|
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#endif |
