Package net.paulhertz.pixelaudio.curves

Class GestureMapping.DefaultMapping

java.lang.Object

net.paulhertz.pixelaudio.curves.GestureMapping.DefaultMapping

All Implemented Interfaces:

GestureMapping

Enclosing interface:

GestureMapping

public static final class GestureMapping.DefaultMapping
extends Object
implements GestureMapping

Default: interpret p as pixel coordinates and mappingSnapshot as width*height raster.

Nested Class Summary

Nested classes/interfaces inherited from interface net.paulhertz.pixelaudio.curves.GestureMapping

GestureMapping.DefaultMapping

Field Summary

Fields

Modifier and Type	Field	Description
private final int	height
private final int	width

Constructor Summary

Constructors

Constructor	Description
DefaultMapping(int width, int height)

Method Summary

Modifier and Type	Method	Description
private static int	clamp(int v, int lo, int hi)
int	pointToSnapshotIndex(processing.core.PVector p, int[] mappingSnapshot)

Methods inherited from class java.lang.Object

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

Field Details

width

private final int width

height

private final int height

Constructor Details

DefaultMapping

public DefaultMapping(int width,
 int height)

Method Details

pointToSnapshotIndex

public int pointToSnapshotIndex(processing.core.PVector p,
 int[] mappingSnapshot)

Specified by:

pointToSnapshotIndex in interface GestureMapping

Parameters:

p - gesture point (typically in pixel coordinates)

mappingSnapshot - array of mapped buffer indices (immutable snapshot)

Returns:

an index into mappingSnapshot (NOT the sample value), or -1 if invalid

clamp

private static int clamp(int v,
 int lo,
 int hi)