annotate src/video/ps2gs/SDL_gsmouse_c.h @ 3473:7bdc10624cba

This is terrible, but the OpenGL standard says that lines are half open, which means that one endpoint is not covered so adjoining lines don't overlap. It also doesn't define which end is open, and indeed Mac OS X and Linux differ. Mac OS X seems to leave the second endpoint open, but Linux uses the right-most endpoint for x major lines and the bottom-most endpoint for y major lines.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 07:14:21 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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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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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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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24 #include "SDL_gsvideo.h"
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26 /* This is the maximum size of the cursor sprite */
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27 #define CURSOR_W 32
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28 #define CURSOR_H 32
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29 #define CURSOR_W_POW 5 /* 32 = 2^5 */
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30 #define CURSOR_H_POW 5 /* 32 = 2^5 */
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32 /* Functions to be exported */
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33 extern void GS_FreeWMCursor(_THIS, WMcursor * cursor);
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34 extern WMcursor *GS_CreateWMCursor(_THIS,
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35 Uint8 * data, Uint8 * mask, int w, int h,
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36 int hot_x, int hot_y);
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37 extern void GS_MoveWMCursor(_THIS, int x, int y);
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38 extern int GS_ShowWMCursor(_THIS, WMcursor * cursor);
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39 /* vi: set ts=4 sw=4 expandtab: */