Created
December 8, 2015 13:27
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Glide circular transform that doesn't throw java.lang.IllegalArgumentException: "Cannot draw recycled bitmaps" exception
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public class CircleTransform extends BitmapTransformation { | |
public CircleTransform(Context context) { | |
super(context); | |
} | |
@Override | |
protected Bitmap transform(BitmapPool pool, Bitmap source, int outWidth, int outHeight) { | |
return ImageUtils.getCircularBitmapImage(pool, source); | |
} | |
@Override | |
public String getId() { | |
return "Glide_Circle_Transformation"; | |
} | |
} |
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public class ImageUtils { | |
private ImageUtils() { | |
} | |
public static Bitmap getCircularBitmapImage(BitmapPool pool, Bitmap source) { | |
if (source == null) return null; | |
int size = Math.min(source.getWidth(), source.getHeight()); | |
int x = (source.getWidth() - size) / 2; | |
int y = (source.getHeight() - size) / 2; | |
// TODO this could be acquired from the pool too | |
Bitmap squared = Bitmap.createBitmap(source, x, y, size, size); | |
Bitmap result = pool.get(size, size, Bitmap.Config.ARGB_8888); | |
if (result == null) { | |
result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888); | |
} | |
Canvas canvas = new Canvas(result); | |
Paint paint = new Paint(); | |
paint.setShader(new BitmapShader(squared, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP)); | |
paint.setAntiAlias(true); | |
float r = size / 2f; | |
canvas.drawCircle(r, r, r, paint); | |
return result; | |
} | |
} |
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public void disposeBitmap(Bitmap bitmap) {
bitmap.recycle();
}
I holpe this help