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70 lines
2.1 KiB
70 lines
2.1 KiB
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.view;
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import android.graphics.Bitmap;
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import android.graphics.BitmapShader;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.RectF;
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import android.graphics.Shader;
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import com.squareup.picasso.Transformation;
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public class RoundedTransformation implements Transformation {
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private final float percent;
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/** 100% would mean a perfectly round image **/
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public RoundedTransformation(final float percent) {
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this.percent = percent;
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}
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@Override
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public Bitmap transform(Bitmap source) {
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final int width = source.getWidth();
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final int height = source.getHeight();
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final int shorterSide;
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if (width > height) {
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shorterSide = height;
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} else {
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shorterSide = width;
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}
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final float radius = shorterSide / 2 * percent / 100;
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final Paint paint = new Paint();
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paint.setAntiAlias(true);
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paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
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Bitmap output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
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Canvas canvas = new Canvas(output);
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canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, paint);
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if (source != output) {
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source.recycle();
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}
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return output;
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}
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@Override
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public String key() {
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return "rounded "+percent+"%";
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}
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}
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