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Revision 1 as of 2011-01-12 23:05:10
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Editor: SheenaSmith
Comment: create page - changeset 4971 touch/gesture
Revision 16 as of 2016-11-20 22:00:55
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Comment: Removed empty Related Functions section.
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#pragma disable-camelcase
||<tablewidth="100%" style="color: #FF0000;" :> DRAFT||
#pragma camelcase off
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A structure that contains touch finger motion,,/finger event structure,, ^information^. A structure that contains finger touch event information.
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||Uint32||'''windowID'''||the window with mouse focus, if any|| ||Uint32||'''timestamp'''||timestamp of the event||
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||SDL_FingerID||'''fingerId'''||description||
||Uint8||'''state'''||the current button state||
||Uint8||'''padding1'''||description||
||Uint8||'''padding2'''||description||
||Uint8||'''padding3'''||description||
||Uint16||'''x'''||description||
||Uint16||'''y'''||description||
||Uint16||'''dx'''||description||
||Uint16||'''dy'''||description||
||Uint16||'''pressure'''||description||
||SDL_FingerID||'''fingerId'''||the finger id||
||float||'''x'''||the x-axis location of the touch event, normalized (0...1)||
||float||'''y'''||the y-axis location of the touch event, normalized (0...1)||
||float||'''dx'''||the distance moved in the x-axis, normalized (-1...1)||
||float||'''dy'''||the distance moved in the y-axis, normalized (-1...1)||
||float||'''pressure'''||the quantity of pressure applied, normalized (0...1)||
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''You can add useful comments here'' [[SDL_TouchFingerEvent]] is a member of the [[SDL_Event]] union and is used when an event of type SDL_FINGERMOTION, SDL_FINGERDOWN, or SDL_FINGERUP is reported. You would access it through the event's `tfinger` field.


== Version ==
This structure is available since SDL 2.0.0.
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== Related Functions ==
 .[[SDL_FunctionLeaveSectionIfEmpty]]

SDL_TouchFingerEvent

A structure that contains finger touch event information.

Data Fields

Uint32

type

SDL_FINGERMOTION, SDL_FINGERDOWN, or SDL_FINGERUP

Uint32

timestamp

timestamp of the event

SDL_TouchID

touchId

the touch device id

SDL_FingerID

fingerId

the finger id

float

x

the x-axis location of the touch event, normalized (0...1)

float

y

the y-axis location of the touch event, normalized (0...1)

float

dx

the distance moved in the x-axis, normalized (-1...1)

float

dy

the distance moved in the y-axis, normalized (-1...1)

float

pressure

the quantity of pressure applied, normalized (0...1)

Code Examples

You can add your code example here

Remarks

SDL_TouchFingerEvent is a member of the SDL_Event union and is used when an event of type SDL_FINGERMOTION, SDL_FINGERDOWN, or SDL_FINGERUP is reported. You would access it through the event's tfinger field.

Version

This structure is available since SDL 2.0.0.


CategoryStruct, CategoryEvents

None: SDL_TouchFingerEvent (last edited 2016-11-20 22:00:55 by PhilippWiesemann)

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