package io.github.froger.instamaterial.ui.utils;
import android.graphics.Bitmap;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import com.squareup.picasso.Transformation;
/**
* Created by Miroslaw Stanek on 20.01.15.
*/
public class CircleTransformation implements Transformation {
private static final int STROKE_WIDTH = 6;
@Override
public Bitmap transform(Bitmap source) {
int size = Math.min(source.getWidth(), source.getHeight());
int x = (source.getWidth() - size) / 2;
int y = (source.getHeight() - size) / 2;
Bitmap squaredBitmap = Bitmap.createBitmap(source, x, y, size, size);
if (squaredBitmap != source) {
source.recycle();
}
Bitmap bitmap = Bitmap.createBitmap(size, size, source.getConfig());
Canvas canvas = new Canvas(bitmap);
Paint avatarPaint = new Paint();
BitmapShader shader = new BitmapShader(squaredBitmap, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP);
avatarPaint.setShader(shader);
Paint outlinePaint = new Paint();
outlinePaint.setColor(Color.WHITE);
outlinePaint.setStyle(Paint.Style.STROKE);
outlinePaint.setStrokeWidth(STROKE_WIDTH);
outlinePaint.setAntiAlias(true);
float r = size / 2f;
canvas.drawCircle(r, r, r, avatarPaint);
canvas.drawCircle(r, r, r - STROKE_WIDTH / 2, outlinePaint);
squaredBitmap.recycle();
return bitmap;
}
@Override
public String key() {
return "circleTransformation()";
}
}