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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 9 | pmbaty | 1 | /* |
| 2 | Simple DirectMedia Layer |
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| 3 | Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org> |
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| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied |
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| 6 | warranty. In no event will the authors be held liable for any damages |
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| 7 | arising from the use of this software. |
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| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, |
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| 10 | including commercial applications, and to alter it and redistribute it |
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| 11 | freely, subject to the following restrictions: |
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| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not |
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| 14 | claim that you wrote the original software. If you use this software |
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| 15 | in a product, an acknowledgment in the product documentation would be |
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| 16 | appreciated but is not required. |
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| 17 | 2. Altered source versions must be plainly marked as such, and must not be |
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| 18 | misrepresented as being the original software. |
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| 19 | 3. This notice may not be removed or altered from any source distribution. |
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| 20 | */ |
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| 21 | |||
| 22 | /** |
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| 23 | * \file SDL_gesture.h |
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| 24 | * |
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| 25 | * Include file for SDL gesture event handling. |
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| 26 | */ |
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| 27 | |||
| 28 | #ifndef SDL_gesture_h_ |
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| 29 | #define SDL_gesture_h_ |
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| 30 | |||
| 31 | #include "SDL_stdinc.h" |
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| 32 | #include "SDL_error.h" |
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| 33 | #include "SDL_video.h" |
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| 34 | |||
| 35 | #include "SDL_touch.h" |
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| 36 | |||
| 37 | |||
| 38 | #include "begin_code.h" |
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| 39 | /* Set up for C function definitions, even when using C++ */ |
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| 40 | #ifdef __cplusplus |
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| 41 | extern "C" { |
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| 42 | #endif |
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| 43 | |||
| 44 | typedef Sint64 SDL_GestureID; |
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| 45 | |||
| 46 | /* Function prototypes */ |
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| 47 | |||
| 48 | /** |
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| 49 | * Begin recording a gesture on a specified touch device or all touch devices. |
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| 50 | * |
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| 51 | * If the parameter `touchId` is -1 (i.e., all devices), this function will |
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| 52 | * always return 1, regardless of whether there actually are any devices. |
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| 53 | * |
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| 54 | * \param touchId the touch device id, or -1 for all touch devices |
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| 55 | * \returns 1 on success or 0 if the specified device could not be found. |
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| 56 | * |
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| 57 | * \since This function is available since SDL 2.0.0. |
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| 58 | * |
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| 59 | * \sa SDL_GetTouchDevice |
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| 60 | */ |
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| 61 | extern DECLSPEC int SDLCALL SDL_RecordGesture(SDL_TouchID touchId); |
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| 62 | |||
| 63 | |||
| 64 | /** |
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| 65 | * Save all currently loaded Dollar Gesture templates. |
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| 66 | * |
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| 67 | * \param dst a SDL_RWops to save to |
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| 68 | * \returns the number of saved templates on success or 0 on failure; call |
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| 69 | * SDL_GetError() for more information. |
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| 70 | * |
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| 71 | * \since This function is available since SDL 2.0.0. |
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| 72 | * |
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| 73 | * \sa SDL_LoadDollarTemplates |
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| 74 | * \sa SDL_SaveDollarTemplate |
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| 75 | */ |
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| 76 | extern DECLSPEC int SDLCALL SDL_SaveAllDollarTemplates(SDL_RWops *dst); |
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| 77 | |||
| 78 | /** |
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| 79 | * Save a currently loaded Dollar Gesture template. |
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| 80 | * |
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| 81 | * \param gestureId a gesture id |
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| 82 | * \param dst a SDL_RWops to save to |
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| 83 | * \returns 1 on success or 0 on failure; call SDL_GetError() for more |
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| 84 | * information. |
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| 85 | * |
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| 86 | * \since This function is available since SDL 2.0.0. |
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| 87 | * |
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| 88 | * \sa SDL_LoadDollarTemplates |
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| 89 | * \sa SDL_SaveAllDollarTemplates |
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| 90 | */ |
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| 91 | extern DECLSPEC int SDLCALL SDL_SaveDollarTemplate(SDL_GestureID gestureId,SDL_RWops *dst); |
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| 92 | |||
| 93 | |||
| 94 | /** |
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| 95 | * Load Dollar Gesture templates from a file. |
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| 96 | * |
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| 97 | * \param touchId a touch id |
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| 98 | * \param src a SDL_RWops to load from |
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| 99 | * \returns the number of loaded templates on success or a negative error code |
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| 100 | * (or 0) on failure; call SDL_GetError() for more information. |
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| 101 | * |
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| 102 | * \since This function is available since SDL 2.0.0. |
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| 103 | * |
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| 104 | * \sa SDL_SaveAllDollarTemplates |
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| 105 | * \sa SDL_SaveDollarTemplate |
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| 106 | */ |
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| 107 | extern DECLSPEC int SDLCALL SDL_LoadDollarTemplates(SDL_TouchID touchId, SDL_RWops *src); |
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| 108 | |||
| 109 | /* Ends C function definitions when using C++ */ |
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| 110 | #ifdef __cplusplus |
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| 111 | } |
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| 112 | #endif |
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| 113 | #include "close_code.h" |
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| 114 | |||
| 115 | #endif /* SDL_gesture_h_ */ |
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| 116 | |||
| 117 | /* vi: set ts=4 sw=4 expandtab: */ |