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Revision 1 as of 2011-01-12 23:05:10
Size: 1214
Editor: SheenaSmith
Comment: create page - changeset 4971 touch/gesture
Revision 8 as of 2013-04-03 02:01:56
Size: 1661
Editor: AlexBarry
Comment: Updated to reflect the normalized floats, marked the windowID as possibly depreciated, added the timestamp field
Deletions are marked like this. Additions are marked like this.
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#pragma disable-camelcase #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||
||SDL_TouchID||'''touchId'''||the touch device id||
||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||
||Uint32||'''windowID'''||the window with mouse focus, if any. ''this field may no longer exist''||
||Uint32||'''timestamp'''||timestamp of the event||
||SDL_TouchID||'''touchId'''||the touch device ,,id,, ^index^||
||SDL_FingerID||'''fingerId'''||||
||Uint8||'''state'''||the current button state. ''this field may no longer exist''||
||float||'''x'''||^the normalized x-axis location of the touch event^||
||float||'''y'''||^the normalized y-axis location of the touch event^||
||float||'''dx'''||^the distance moved in the x-axis, normalized^||
||float||'''dy'''||^the distance moved in the y-axis, normalized^||
||float||'''pressure'''||^the quantity of pressure applied, normalized (0...1)^||

<<Color2(green,Note that touchID is described as "the touch device index" in all 3 other similar functions.)>>
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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.
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 .[[SDL_TouchButtonEvent]]
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 .[[SDL_FunctionLeaveSectionIfEmpty]]

DRAFT

SDL_TouchFingerEvent

A structure that contains finger touch event information.

Data Fields

Uint32

type

SDL_FINGERMOTION, SDL_FINGERDOWN, or SDL_FINGERUP

Uint32

windowID

the window with mouse focus, if any. this field may no longer exist

Uint32

timestamp

timestamp of the event

SDL_TouchID

touchId

the touch device id index

SDL_FingerID

fingerId

Uint8

state

the current button state. this field may no longer exist

float

x

the normalized x-axis location of the touch event

float

y

the normalized y-axis location of the touch event

float

dx

the distance moved in the x-axis, normalized

float

dy

the distance moved in the y-axis, normalized

float

pressure

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

green

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.


CategoryStruct, CategoryEvents

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

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