com.palmap.gl.gestures.gesture

类 Utils

java.lang.Object

com.palmap.gl.gestures.gesture.Utils

public class Utils
extends java.lang.Object

构造器概要

构造器

构造器和说明
Utils()

方法概要

限定符和类型	方法和说明
static android.graphics.PointF	determineFocalPoint(android.view.MotionEvent motionEvent) Calculates the center point of the multi finger gesture.
static float	dpToPx(float dp) Converts DIP to PX.
static float	getRawX(android.view.MotionEvent event, int pointerIndex)
static float	getRawY(android.view.MotionEvent event, int pointerIndex)
static float	pxToDp(float px) Converts PX to DIP.
static float	pxToMm(float px, android.content.Context context) Converts PX to MM (millimeters).

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

Utils

public Utils()

方法详细资料

determineFocalPoint

public static android.graphics.PointF determineFocalPoint(@NonNull
                                                          android.view.MotionEvent motionEvent)

Calculates the center point of the multi finger gesture.

参数:

motionEvent - event

返回:

center point of the gesture

getRawX

public static float getRawX(android.view.MotionEvent event,
                            int pointerIndex)

参数:

event - motion event

pointerIndex - pointer's index

返回:

rawY for a pointer

getRawY

public static float getRawY(android.view.MotionEvent event,
                            int pointerIndex)

参数:

event - motion event

pointerIndex - pointer's index

返回:

rawX for a pointer

dpToPx

public static float dpToPx(float dp)

Converts DIP to PX.

参数:

dp - initial value

返回:

converted value

pxToDp

public static float pxToDp(float px)

Converts PX to DIP.

参数:

px - initial value

返回:

converted value

pxToMm

public static float pxToMm(float px,
                           android.content.Context context)

Converts PX to MM (millimeters).

参数:

px - initial value

context - context

返回:

converted value