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comparison 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
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4813:5b4c7d7d8953 4814:4f7133445367
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 2010 Eli Gottlieb
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Eli Gottlieb
20 eligottlieb@gmail.com
21 */
22
23 #ifndef _SDL_shape_internals_h
24 #define _SDL_shape_internals_h
25
26 #include "SDL_rect.h"
27 #include "SDL_shape.h"
28 #include "SDL_surface.h"
29
30 #include "begin_code.h"
31 /* Set up for C function definitions, even when using C++ */
32 #ifdef __cplusplus
33 /* *INDENT-OFF* */
34 extern "C" {
35 /* *INDENT-ON* */
36 #endif
37
38 typedef struct {
39 struct SDL_ShapeTree *upleft,*upright,*downleft,*downright;
40 } SDL_QuadTreeChildren;
41
42 typedef union {
43 SDL_QuadTreeChildren children;
44 SDL_Rect shape;
45 } SDL_ShapeUnion;
46
47 typedef enum { QuadShape,TransparentShape,OpaqueShape } SDL_ShapeKind;
48
49 typedef struct {
50 SDL_ShapeKind kind;
51 SDL_ShapeUnion data;
52 } SDL_ShapeTree;
53
54 extern void SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode,SDL_Surface *shape,Uint8* bitmap,Uint8 ppb,Uint8 value);
55 extern SDL_ShapeTree* SDL_CalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* shape,SDL_bool invert);
56 extern void SDL_TraverseShapeTree(SDL_ShapeTree *tree,void(*function)(SDL_ShapeTree*,void*),void* closure);
57 extern void SDL_FreeShapeTree(SDL_ShapeTree** shapeTree);
58
59 /* Ends C function definitions when using C++ */
60 #ifdef __cplusplus
61 /* *INDENT-OFF* */
62 }
63 /* *INDENT-ON* */
64 #endif
65 #include "close_code.h"
66
67 #endif