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annotate window/surface.h @ 60:e16e13d8cd68

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Replaced SATURATE -> ADD, implemented objComposite, corrected minor things
author Thibaut GIRKA <thib@sitedethib.com>
date Fri, 18 Dec 2009 20:41:38 +0100
parents c7bcc0ec2267
children
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31
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1 /*
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2 * Copyright (c) 2004-2006 Kazunori "jagarl" Ueno
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3 * All rights reserved.
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4 *
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5 * Redistribution and use in source and binary forms, with or without
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6 * modification, are permitted provided that the following conditions
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7 * are met:
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8 * 1. Redistributions of source code must retain the above copyright
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9 * notice, this list of conditions and the following disclaimer.
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10 * 2. Redistributions in binary form must reproduce the above copyright
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11 * notice, this list of conditions and the following disclaimer in the
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12 * documentation and/or other materials provided with the distribution.
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13 * 3. The name of the author may not be used to endorse or promote products
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14 * derived from this software without specific prior written permission.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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26 */
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27
0
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28 #ifndef __SURFACE_H__
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29 #define __SURFACE_H__
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30
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31 #include <SDL.h>
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32 #include "rect.h"
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33
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34 struct Surface : public SDL_Surface {
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35 char* mem(const Rect& r) {
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36 return (char*)(pixels) + r.ty * pitch + r.lx * format->BytesPerPixel;
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37 }
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38 char* mem_end(const Rect& r) {
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39 return (char*)(pixels) + (r.by-1) * pitch + r.rx * format->BytesPerPixel;
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40 }
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41 };
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42
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43 #endif /* __SURFACE_H__ */