World of Might and Magic  0.2.0
Open reimplementation of Might and Magic 6 7 8 game engine
SDL_shape.h
См. документацию.
1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2020 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 
22 #ifndef SDL_shape_h_
23 #define SDL_shape_h_
24 
25 #include "SDL_stdinc.h"
26 #include "SDL_pixels.h"
27 #include "SDL_rect.h"
28 #include "SDL_surface.h"
29 #include "SDL_video.h"
30 
31 #include "begin_code.h"
32 /* Set up for C function definitions, even when using C++ */
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
42 #define SDL_NONSHAPEABLE_WINDOW -1
43 #define SDL_INVALID_SHAPE_ARGUMENT -2
44 #define SDL_WINDOW_LACKS_SHAPE -3
45 
66 extern DECLSPEC SDL_Window * SDLCALL SDL_CreateShapedWindow(const char *title,unsigned int x,unsigned int y,unsigned int w,unsigned int h,Uint32 flags);
67 
77 extern DECLSPEC SDL_bool SDLCALL SDL_IsShapedWindow(const SDL_Window *window);
78 
80 typedef enum {
82  ShapeModeDefault,
84  ShapeModeBinarizeAlpha,
86  ShapeModeReverseBinarizeAlpha,
88  ShapeModeColorKey
89 } WindowShapeMode;
90 
91 #define SDL_SHAPEMODEALPHA(mode) (mode == ShapeModeDefault || mode == ShapeModeBinarizeAlpha || mode == ShapeModeReverseBinarizeAlpha)
92 
94 typedef union {
96  Uint8 binarizationCutoff;
97  SDL_Color colorKey;
98 } SDL_WindowShapeParams;
99 
101 typedef struct SDL_WindowShapeMode {
103  WindowShapeMode mode;
105  SDL_WindowShapeParams parameters;
106 } SDL_WindowShapeMode;
107 
121 extern DECLSPEC int SDLCALL SDL_SetWindowShape(SDL_Window *window,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode);
122 
136 extern DECLSPEC int SDLCALL SDL_GetShapedWindowMode(SDL_Window *window,SDL_WindowShapeMode *shape_mode);
137 
138 /* Ends C function definitions when using C++ */
139 #ifdef __cplusplus
140 }
141 #endif
142 #include "close_code.h"
143 
144 #endif /* SDL_shape_h_ */
SDL_Surface
A collection of pixels used in software blitting.
Definition: SDL_surface.h:70
SDL_pixels.h
SDL_rect.h
SDL_surface.h
w
GLubyte GLubyte GLubyte GLubyte w
Definition: SDL_opengl_glext.h:734
SDL_GetShapedWindowMode
DECLSPEC int SDLCALL SDL_GetShapedWindowMode(SDL_Window *window, SDL_WindowShapeMode *shape_mode)
Get the shape parameters of a shaped window.
SDL_WindowShapeParams::colorKey
SDL_Color colorKey
Definition: SDL_shape.h:97
h
GLfloat GLfloat GLfloat GLfloat h
Definition: SDL_opengl_glext.h:1949
close_code.h
begin_code.h
ShapeModeBinarizeAlpha
@ ShapeModeBinarizeAlpha
A binarized alpha cutoff with a given integer value.
Definition: SDL_shape.h:84
SDL_WindowShapeMode
A struct that tags the SDL_WindowShapeParams union with an enum describing the type of its contents.
Definition: SDL_shape.h:101
y
EGLSurface EGLint EGLint y
Definition: SDL_egl.h:1596
ShapeModeReverseBinarizeAlpha
@ ShapeModeReverseBinarizeAlpha
A binarized alpha cutoff with a given integer value, but with the opposite comparison.
Definition: SDL_shape.h:86
SDL_WindowShapeParams::binarizationCutoff
Uint8 binarizationCutoff
A cutoff alpha value for binarization of the window shape's alpha channel.
Definition: SDL_shape.h:96
SDL_WindowShapeMode::mode
WindowShapeMode mode
The mode of these window-shape parameters.
Definition: SDL_shape.h:103
SDL_WindowShapeParams
A union containing parameters for shaped windows.
Definition: SDL_shape.h:94
x
EGLSurface EGLint x
Definition: SDL_egl.h:1596
SDL_IsShapedWindow
DECLSPEC SDL_bool SDLCALL SDL_IsShapedWindow(const SDL_Window *window)
Return whether the given window is a shaped window.
SDL_WindowShapeMode::parameters
SDL_WindowShapeParams parameters
Window-shape parameters.
Definition: SDL_shape.h:105
window
EGLSurface EGLNativeWindowType * window
Definition: SDL_egl.h:1580
ShapeModeColorKey
@ ShapeModeColorKey
A color key is applied.
Definition: SDL_shape.h:88
WindowShapeMode
WindowShapeMode
An enum denoting the specific type of contents present in an SDL_WindowShapeParams union.
Definition: SDL_shape.h:80
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:161
Uint8
uint8_t Uint8
Definition: SDL_stdinc.h:179
SDL_Window
struct SDL_Window SDL_Window
The type used to identify a window.
Definition: SDL_video.h:90
SDL_stdinc.h
Uint32
uint32_t Uint32
Definition: SDL_stdinc.h:203
flags
EGLSyncKHR EGLint flags
Definition: SDL_egl.h:898
SDL_Color
Definition: SDL_pixels.h:298
SDL_SetWindowShape
DECLSPEC int SDLCALL SDL_SetWindowShape(SDL_Window *window, SDL_Surface *shape, SDL_WindowShapeMode *shape_mode)
Set the shape and parameters of a shaped window.
SDL_video.h
ShapeModeDefault
@ ShapeModeDefault
The default mode, a binarized alpha cutoff of 1.
Definition: SDL_shape.h:82
SDL_WindowShapeMode
struct SDL_WindowShapeMode SDL_WindowShapeMode
A struct that tags the SDL_WindowShapeParams union with an enum describing the type of its contents.
SDL_CreateShapedWindow
DECLSPEC SDL_Window *SDLCALL SDL_CreateShapedWindow(const char *title, unsigned int x, unsigned int y, unsigned int w, unsigned int h, Uint32 flags)
Create a window that can be shaped with the specified position, dimensions, and flags.