/*
* Copyright � 2016 TIBCO Software,Inc.All rights reserved.
* http://community.jaspersoft.com/project/jaspermobile-android
*
* Unless you have purchased a commercial license agreement from TIBCO Jaspersoft,
* the following license terms apply:
*
* This program is part of TIBCO Jaspersoft Mobile for Android.
*
* TIBCO Jaspersoft Mobile is free software:you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation,either version 3of the License,or
* (at your option)any later version.
*
* TIBCO Jaspersoft Mobile is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY;without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with TIBCO Jaspersoft Mobile for Android.If not,see
* <http://www.gnu.org/licenses/lgpl>.
*/
package com.jaspersoft.android.jaspermobile.data.utils;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.support.annotation.DrawableRes;
import android.support.v4.content.ContextCompat;
import com.nostra13.universalimageloader.core.process.BitmapProcessor;
/**
* @author Andrew Tivodar
* @since 2.3
*/
public class ResourceThumbnailPreProcessor implements BitmapProcessor {
@Override
public Bitmap process(Bitmap bitmap) {
if (atLeast12x12(bitmap)) {
return removeArtifacts(bitmap);
}
return null;
}
private Bitmap removeArtifacts(Bitmap origin) {
int originalWidth = origin.getWidth();
int originalHeight = origin.getHeight();
int ratioHeight = calculateRatioHeight(originalWidth, originalHeight);
int newHeight = ratioHeight - 6;
int newWidth = originalWidth - 6;
if (newWidth > 0 && newHeight > 0) {
return Bitmap.createBitmap(origin, 3, 3, newWidth, newHeight);
}
return origin;
}
private int calculateRatioHeight(int originalWidth, int originalHeight) {
int scaledWidth = (int) (originalWidth * 0.66);
return scaledWidth < originalHeight ? scaledWidth : originalHeight;
}
private boolean atLeast12x12(Bitmap bitmap) {
return bitmap.getWidth() >= 12 && bitmap.getHeight() >= 12;
}
}