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annotate src/video/ataricommon/SDL_ataric2p_s.h @ 1076:8d3b95ece376

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[PATCH] SDL_GetVideoMode() do not find the best video mode The current GetVideoMode() function stops at the first mode which has any dimensions smaller than the one asked, and gives the previous in the list. If I ask 336x224 with this list: 768x480 768x240 640x400 640x200 384x480 384x240 320x400 320x200 SDL will give me 640x400, because 640x200 as height smaller than what I asked. However the best mode is the smaller which has both dimensions bigger than the one asked (384x240 in my example). This patch fixes this, plus it does not rely on a sorted video mode list.
author Patrice Mandin <patmandin@gmail.com>
date Sun, 12 Jun 2005 16:12:55 +0000
parents b8d311d90021
children 93207759e065
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #ifndef _ATARI_C2P_h
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29 #define _ATARI_C2P_h
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30
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31 #include "SDL_types.h"
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32
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33 /*--- Variables ---*/
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34
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35 extern Uint8 SDL_Atari_table_c2p[2048]; /* Used by conversions routines */
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36
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37 /*--- Functions pointers ---*/
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38
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39 /* Convert a chunky screen to bitplane screen */
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40
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41 extern void (*SDL_Atari_C2pConvert)(
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42 Uint8 *src, /* Source screen (one byte=one pixel) */
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43 Uint8 *dest, /* Destination (4/8 bits planes) */
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44 Uint32 width, /* Dimensions of screen to convert */
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45 Uint32 height,
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46 Uint32 dblligne, /* Double the lines when converting ? */
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47 Uint32 srcpitch, /* Length of one source line in bytes */
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48 Uint32 dstpitch /* Length of one destination line in bytes */
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49 );
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50
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51 /*--- 8 bits functions ---*/
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52
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53 /* Convert a chunky screen to bitplane screen */
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54
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55 void SDL_Atari_C2pConvert8(
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56 Uint8 *src, /* Source screen (one byte=one pixel) */
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57 Uint8 *dest, /* Destination (8 bits planes) */
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58 Uint32 width, /* Dimensions of screen to convert */
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59 Uint32 height,
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60 Uint32 dblligne, /* Double the lines when converting ? */
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61 Uint32 srcpitch, /* Length of one source line in bytes */
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62 Uint32 dstpitch /* Length of one destination line in bytes */
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63 );
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64
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65 /*--- 4 bits functions ---*/
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66
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67 /* Convert a chunky screen to bitplane screen */
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69 void SDL_Atari_C2pConvert4(
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70 Uint8 *src, /* Source screen (one byte=one pixel) */
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71 Uint8 *dest, /* Destination (4 bits planes) */
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72 Uint32 width, /* Dimensions of screen to convert */
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73 Uint32 height,
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74 Uint32 dblligne, /* Double the lines when converting ? */
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75 Uint32 srcpitch, /* Length of one source line in bytes */
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76 Uint32 dstpitch /* Length of one destination line in bytes */
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77 );
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78
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79 /* Conversion palette */
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80
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81 void SDL_Atari_C2pConvert4_pal(Uint16 *lightpalette);
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82
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83 #endif /* _ATARI_C2P_h */