package jp.wasabeef.picasso.transformations.gpu;
/**
* Copyright (C) 2018 Wasabeef
*
* 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.
*/
import android.content.Context;
import jp.co.cyberagent.android.gpuimage.GPUImageContrastFilter;
/**
* contrast value ranges from 0.0 to 4.0, with 1.0 as the normal level
*/
public class ContrastFilterTransformation extends GPUFilterTransformation {
private float mContrast;
public ContrastFilterTransformation(Context context) {
this(context, 1.0f);
}
public ContrastFilterTransformation(Context context, float contrast) {
super(context, new GPUImageContrastFilter());
mContrast = contrast;
GPUImageContrastFilter filter = getFilter();
filter.setContrast(mContrast);
}
@Override public String key() {
return "ContrastFilterTransformation(contrast=" + mContrast + ")";
}
}
