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annotate src/video/SDL_shape_internals.h @ 4814:4f7133445367

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Added the header to the repo. Oops.
author Eli Gottlieb <eligottlieb@gmail.com>
date Thu, 29 Jul 2010 12:49:17 -0400
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children c68e7490e4cf
rev   line source
4814
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 2010 Eli Gottlieb
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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 Eli Gottlieb
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20 eligottlieb@gmail.com
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21 */
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22
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23 #ifndef _SDL_shape_internals_h
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24 #define _SDL_shape_internals_h
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25
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26 #include "SDL_rect.h"
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27 #include "SDL_shape.h"
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28 #include "SDL_surface.h"
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29
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30 #include "begin_code.h"
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31 /* Set up for C function definitions, even when using C++ */
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32 #ifdef __cplusplus
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33 /* *INDENT-OFF* */
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34 extern "C" {
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35 /* *INDENT-ON* */
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36 #endif
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37
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38 typedef struct {
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39 struct SDL_ShapeTree *upleft,*upright,*downleft,*downright;
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40 } SDL_QuadTreeChildren;
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41
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42 typedef union {
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43 SDL_QuadTreeChildren children;
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44 SDL_Rect shape;
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45 } SDL_ShapeUnion;
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46
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47 typedef enum { QuadShape,TransparentShape,OpaqueShape } SDL_ShapeKind;
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48
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49 typedef struct {
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50 SDL_ShapeKind kind;
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51 SDL_ShapeUnion data;
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52 } SDL_ShapeTree;
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53
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54 extern void SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode,SDL_Surface *shape,Uint8* bitmap,Uint8 ppb,Uint8 value);
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55 extern SDL_ShapeTree* SDL_CalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* shape,SDL_bool invert);
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56 extern void SDL_TraverseShapeTree(SDL_ShapeTree *tree,void(*function)(SDL_ShapeTree*,void*),void* closure);
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57 extern void SDL_FreeShapeTree(SDL_ShapeTree** shapeTree);
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58
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59 /* Ends C function definitions when using C++ */
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60 #ifdef __cplusplus
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61 /* *INDENT-OFF* */
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62 }
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63 /* *INDENT-ON* */
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64 #endif
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65 #include "close_code.h"
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66
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67 #endif