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annotate src/video/ataricommon/SDL_ataric2p_s.h @ 1907:06c27a737b7a

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Streamlined the API a bit and optimized the software renderer.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 15 Jul 2006 09:46:36 +0000
parents c121d94672cb
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h"
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23
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24 #ifndef _ATARI_C2P_h
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25 #define _ATARI_C2P_h
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26
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27 #include "SDL_stdinc.h"
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29 /*--- Functions pointers ---*/
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30
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31 /* Convert a chunky screen to bitplane screen */
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32
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33 extern void (*SDL_Atari_C2pConvert) (Uint8 * src, /* Source screen (one byte=one pixel) */
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34 Uint8 * dest, /* Destination (4/8 bits planes) */
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35 Uint32 width, /* Dimensions of screen to convert */
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36 Uint32 height, Uint32 dblligne, /* Double the lines when converting ? */
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37 Uint32 srcpitch, /* Length of one source line in bytes */
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38 Uint32 dstpitch /* Length of one destination line in bytes */
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39 );
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40
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41 /*--- 8 bits functions ---*/
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42
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43 /* Convert a chunky screen to bitplane screen */
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44
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45 void SDL_Atari_C2pConvert8(Uint8 * src, /* Source screen (one byte=one pixel) */
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46 Uint8 * dest, /* Destination (8 bits planes) */
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47 Uint32 width, /* Dimensions of screen to convert */
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48 Uint32 height, Uint32 dblligne, /* Double the lines when converting ? */
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49 Uint32 srcpitch, /* Length of one source line in bytes */
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50 Uint32 dstpitch /* Length of one destination line in bytes */
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51 );
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52
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53 /*--- 4 bits functions ---*/
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54
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55 /* Convert a chunky screen to bitplane screen */
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56
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57 void SDL_Atari_C2pConvert4(Uint8 * src, /* Source screen (one byte=one pixel) */
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58 Uint8 * dest, /* Destination (4 bits planes) */
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59 Uint32 width, /* Dimensions of screen to convert */
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60 Uint32 height, 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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65 /* Conversion palette */
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66
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67 void SDL_Atari_C2pConvert4_pal(Uint16 * lightpalette);
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69 #endif /* _ATARI_C2P_h */
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70 /* vi: set ts=4 sw=4 expandtab: */