SDL  2.0
SDL_shape_internals.h
Go to the documentation of this file.
1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../SDL_internal.h"
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;
41 
42 typedef union {
46 
48 
49 typedef struct {
50  SDL_ShapeKind kind;
53 
55 
57 extern SDL_ShapeTree* SDL_CalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* shape);
58 extern void SDL_TraverseShapeTree(SDL_ShapeTree *tree,SDL_TraversalFunction function,void* closure);
59 extern void SDL_FreeShapeTree(SDL_ShapeTree** shape_tree);
60 
61 /* Ends C function definitions when using C++ */
62 #ifdef __cplusplus
63 /* *INDENT-OFF* */
64 }
65 /* *INDENT-ON* */
66 #endif
67 #include "close_code.h"
68 
69 #endif
GLsizei GLfixed GLfixed GLfixed GLfixed const GLubyte * bitmap
void SDL_TraverseShapeTree(SDL_ShapeTree *tree, SDL_TraversalFunction function, void *closure)
Definition: SDL_shape.c:232
void SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode, SDL_Surface *shape, Uint8 *bitmap, Uint8 ppb)
Definition: SDL_shape.c:71
struct SDL_ShapeTree * upright
SDL_ShapeKind
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
SDL_ShapeUnion data
void SDL_FreeShapeTree(SDL_ShapeTree **shape_tree)
Definition: SDL_shape.c:246
SDL_ShapeTree * SDL_CalculateShapeTree(SDL_WindowShapeMode mode, SDL_Surface *shape)
Definition: SDL_shape.c:213
void(* SDL_TraversalFunction)(SDL_ShapeTree *, void *)
uint8_t Uint8
Definition: SDL_stdinc.h:157
GLenum mode
SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char const char SDL_SCANF_FORMAT_STRING const char return SDL_ThreadFunction const char void return Uint32 return Uint32 void
A struct that tags the SDL_WindowShapeParams union with an enum describing the type of its contents...
Definition: SDL_shape.h:101
SDL_ShapeKind kind
SDL_QuadTreeChildren children
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64