Forked from berkkaraoglu/BorderedCircleTransform.java
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September 17, 2018 11:17
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BorderedCircleTransform for Picasso modified to pass borderColor and BorderRadius as input parameters
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| 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; | |
| public class CircleTransform implements Transformation { | |
| private final int BORDER_COLOR = Color.WHITE; | |
| private final int BORDER_RADIUS = 5; | |
| @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 paint = new Paint(); | |
| BitmapShader shader = new BitmapShader(squaredBitmap, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP); | |
| paint.setShader(shader); | |
| paint.setAntiAlias(true); | |
| float r = size / 2f; | |
| // Prepare the background | |
| Paint paintBg = new Paint(); | |
| paintBg.setColor(BORDER_COLOR); | |
| paintBg.setAntiAlias(true); | |
| // Draw the background circle | |
| canvas.drawCircle(r, r, r, paintBg); | |
| // Draw the image smaller than the background so a little border will be seen | |
| canvas.drawCircle(r, r, r - BORDER_RADIUS, paint); | |
| squaredBitmap.recycle(); | |
| return bitmap; | |
| } | |
| @Override | |
| public String key() { | |
| return "circle"; | |
| } | |
| } |
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