src/events/SDL_touch_c.h
author Sam Lantinga <slouken@libsdl.org>
Tue, 26 May 2015 06:27:46 -0700
changeset 9619 b94b6d0bff0f
parent 8149 681eb46b8ac4
child 9998 f67cf37e9cd4
permissions -rw-r--r--
Updated the copyright year to 2015
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2015 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 #include "../../include/SDL_touch.h"
    23 
    24 #ifndef _SDL_touch_c_h
    25 #define _SDL_touch_c_h
    26 
    27 typedef struct SDL_Touch
    28 {
    29     SDL_TouchID id;
    30     int num_fingers;
    31     int max_fingers;
    32     SDL_Finger** fingers;
    33 } SDL_Touch;
    34 
    35 
    36 /* Initialize the touch subsystem */
    37 extern int SDL_TouchInit(void);
    38 
    39 /* Add a touch, returning the index of the touch, or -1 if there was an error. */
    40 extern int SDL_AddTouch(SDL_TouchID id, const char *name);
    41 
    42 /* Get the touch with a given id */
    43 extern SDL_Touch *SDL_GetTouch(SDL_TouchID id);
    44 
    45 /* Send a touch down/up event for a touch */
    46 extern int SDL_SendTouch(SDL_TouchID id, SDL_FingerID fingerid,
    47                          SDL_bool down, float x, float y, float pressure);
    48 
    49 /* Send a touch motion event for a touch */
    50 extern int SDL_SendTouchMotion(SDL_TouchID id, SDL_FingerID fingerid,
    51                                float x, float y, float pressure);
    52 
    53 /* Remove a touch */
    54 extern void SDL_DelTouch(SDL_TouchID id);
    55 
    56 /* Shutdown the touch subsystem */
    57 extern void SDL_TouchQuit(void);
    58 
    59 #endif /* _SDL_touch_c_h */
    60 
    61 /* vi: set ts=4 sw=4 expandtab: */