SDL_gesture.h File Reference

#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "SDL_video.h"
#include "SDL_touch.h"
#include "begin_code.h"
#include "close_code.h"

Include dependency graph for SDL_gesture.h:

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Typedefs
typedef Sint64	SDL_GestureID

Functions
int	SDL_RecordGesture (SDL_TouchID touchId)
int	SDL_SaveAllDollarTemplates (SDL_RWops *dst)
int	SDL_SaveDollarTemplate (SDL_GestureID gestureId, SDL_RWops *dst)
int	SDL_LoadDollarTemplates (SDL_TouchID touchId, SDL_RWops *src)

Detailed Description

Include file for SDL gesture event handling.

Definition in file SDL_gesture.h.

Typedef Documentation

SDL_GestureID

typedef Sint64 SDL_GestureID

Definition at line 44 of file SDL_gesture.h.

Function Documentation

SDL_LoadDollarTemplates()

int SDL_LoadDollarTemplates ( SDL_TouchID  touchId, SDL_RWops *  src  )

extern

Load Dollar Gesture templates from a file.

Parameters

touchId	a touch id
src	a SDL_RWops to load from

Returns

the number of loaded templates on success or a negative error code (or 0) on failure; call SDL_GetError() for more information.

Since

This function is available since SDL 2.0.0.

See also

SDL_SaveAllDollarTemplates

SDL_SaveDollarTemplate

SDL_RecordGesture()

int SDL_RecordGesture ( SDL_TouchID  touchId )

extern

Begin recording a gesture on a specified touch device or all touch devices.

If the parameter touchId is -1 (i.e., all devices), this function will always return 1, regardless of whether there actually are any devices.

Parameters

touchId

the touch device id, or -1 for all touch devices

Returns

1 on success or 0 if the specified device could not be found.

Since

This function is available since SDL 2.0.0.

See also

SDL_GetTouchDevice

SDL_SaveAllDollarTemplates()

int SDL_SaveAllDollarTemplates ( SDL_RWops *  dst )

extern

Save all currently loaded Dollar Gesture templates.

Parameters

dst	a SDL_RWops to save to

Returns

the number of saved templates on success or 0 on failure; call SDL_GetError() for more information.

Since

This function is available since SDL 2.0.0.

See also

SDL_LoadDollarTemplates

SDL_SaveDollarTemplate

SDL_SaveDollarTemplate()

int SDL_SaveDollarTemplate ( SDL_GestureID  gestureId, SDL_RWops *  dst  )

extern

Save a currently loaded Dollar Gesture template.

Parameters

gestureId	a gesture id
dst	a SDL_RWops to save to

Returns

1 on success or 0 on failure; call SDL_GetError() for more information.

Since

This function is available since SDL 2.0.0.

See also

SDL_LoadDollarTemplates

SDL_SaveAllDollarTemplates