Here you can find the source of getScaleContrastFilter(float factor)
Parameter | Description |
---|---|
factor | a parameter |
public static ColorMatrixColorFilter getScaleContrastFilter(float factor)
//package com.java2s; import android.graphics.ColorMatrixColorFilter; public class Main { /**/*from w w w .j ava 2 s .c om*/ * * @param factor * @return a ColorMatrixColorFilter containing a mScale contrast filter of the provided factor */ public static ColorMatrixColorFilter getScaleContrastFilter(float factor) { final float scale = factor + 1f; final float[] matrix = { scale, 0, 0, 0, 0, 0, scale, 0, 0, 0, 0, 0, scale, 0, 0, 0, 0, 0, 1, 0 }; ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix); return filter; } }