com.alexvasilkov.gestures.utils

Class GravityUtils

java.lang.Object

com.alexvasilkov.gestures.utils.GravityUtils

public class GravityUtils
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static void	getDefaultPivot(Settings settings, android.graphics.Point out) Calculates default pivot point for scale and rotation.
static void	getImagePosition(android.graphics.Matrix matrix, Settings settings, android.graphics.Rect out) Calculates image position (scaled and rotated) within viewport area with gravity applied.
static void	getImagePosition(State state, Settings settings, android.graphics.Rect out) Calculates image position (scaled and rotated) within viewport area with gravity applied.
static void	getMovementAreaPosition(Settings settings, android.graphics.Rect out) Calculates movement area position within viewport area with gravity applied.

Methods inherited from class java.lang.Object

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

Method Detail

getImagePosition

public static void getImagePosition(@NonNull
                                    State state,
                                    @NonNull
                                    Settings settings,
                                    @NonNull
                                    android.graphics.Rect out)

Calculates image position (scaled and rotated) within viewport area with gravity applied.

Parameters:

state - Image state

settings - Image settings

out - Output rectangle

getImagePosition

public static void getImagePosition(@NonNull
                                    android.graphics.Matrix matrix,
                                    @NonNull
                                    Settings settings,
                                    @NonNull
                                    android.graphics.Rect out)

Calculates image position (scaled and rotated) within viewport area with gravity applied.

Parameters:

matrix - Image matrix

settings - Image settings

out - Output rectangle

getMovementAreaPosition

public static void getMovementAreaPosition(@NonNull
                                           Settings settings,
                                           @NonNull
                                           android.graphics.Rect out)

Calculates movement area position within viewport area with gravity applied.

Parameters:

settings - Image settings

out - Output rectangle

getDefaultPivot

public static void getDefaultPivot(@NonNull
                                   Settings settings,
                                   @NonNull
                                   android.graphics.Point out)

Calculates default pivot point for scale and rotation.

Parameters:

settings - Image settings

out - Output point