cscg22-gearboy

CSCG 2022 Challenge 'Gearboy'
git clone https://git.sinitax.com/sinitax/cscg22-gearboy
Log | Files | Refs | sfeed.txt

SDL_shape_internals.h (2169B)

      1/*
      2  Simple DirectMedia Layer
      3  Copyright (C) 1997-2014 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* */
     34extern "C" {
     35/* *INDENT-ON* */
     36#endif
     37
     38typedef struct {
     39	struct SDL_ShapeTree *upleft,*upright,*downleft,*downright;
     40} SDL_QuadTreeChildren;
     41
     42typedef union {
     43	SDL_QuadTreeChildren children;
     44	SDL_Rect shape;
     45} SDL_ShapeUnion;
     46
     47typedef enum { QuadShape,TransparentShape,OpaqueShape } SDL_ShapeKind;
     48
     49typedef struct {
     50	SDL_ShapeKind kind;
     51	SDL_ShapeUnion data;
     52} SDL_ShapeTree;
     53	
     54typedef void(*SDL_TraversalFunction)(SDL_ShapeTree*,void*);
     55
     56extern void SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode,SDL_Surface *shape,Uint8* bitmap,Uint8 ppb);
     57extern SDL_ShapeTree* SDL_CalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* shape);
     58extern void SDL_TraverseShapeTree(SDL_ShapeTree *tree,SDL_TraversalFunction function,void* closure);
     59extern 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