Android example source code file (TableMaskFilter.java)

This example Android source code file (TableMaskFilter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

createcliptable, creategammatable, runtimeexception, tablemaskfilter

The TableMaskFilter.java Android example source code

/*
 * Copyright (C) 2006 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.graphics;

/**
 * @hide
 */
public class TableMaskFilter extends MaskFilter {

    public TableMaskFilter(byte[] table) {
        if (table.length < 256) {
            throw new RuntimeException("table.length must be >= 256");
        }
        native_instance = nativeNewTable(table);
    }
    
    private TableMaskFilter(int ni) {
        native_instance = ni;
    }
    
    public static TableMaskFilter CreateClipTable(int min, int max) {
        return new TableMaskFilter(nativeNewClip(min, max));
    }
    
    public static TableMaskFilter CreateGammaTable(float gamma) {
        return new TableMaskFilter(nativeNewGamma(gamma));
    }

    private static native int nativeNewTable(byte[] table);
    private static native int nativeNewClip(int min, int max);
    private static native int nativeNewGamma(float gamma);
}