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include: A ton of little documentation tweaks, fixes, and improvements.

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This is just stuff I noticed while working on the wikiheaders updates. A
thorough pass over all the docs would not be terrible, and maybe a simple
script to check for consistency (does everything have a `\since` on it? etc)
might be nice, too.
This commit is contained in:
Ryan C. Gordon 2024-04-08 22:36:57 -04:00
parent 645073961d
commit ad090d2444
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45 changed files with 1565 additions and 833 deletions
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19
include/SDL3/SDL_touch.h
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@ -50,12 +50,23 @@ typedef enum
SDL_TOUCH_DEVICE_INDIRECT_RELATIVE /* trackpad with screen cursor-relative coordinates */
} SDL_TouchDeviceType;
/**
* Data about a single finger in a multitouch event.
*
* Each touch even is a collection of fingers that are simultaneously in
* contact with the touch device (so a "touch" can be a "multitouch," in
* reality), and this struct reports details of the specific fingers.
*
* \since This struct is available since SDL 3.0.0.
*
* \sa SDL_GetTouchFinger
*/
typedef struct SDL_Finger
{
SDL_FingerID id;
float x;
float y;
float pressure;
SDL_FingerID id; /**< 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 pressure; /**< the quantity of pressure applied, normalized (0...1) */
} SDL_Finger;
/* Used as the device ID for mouse events simulated with touch input */