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사용자 정의 ImageView 주위에 검은 색 테두리를 추가하고 싶습니다. 현재 나는 이미지 뷰에 둥근 상단 모서리를 구현하는이 클래스를 사용하고 있습니다 :사용자 정의 이미지 뷰 주위에 테두리를 그립니다.
public class RoundedBitmapDisplayer implements BitmapDisplayer {
private Context ctx;
public RoundedBitmapDisplayer(Context context) {
this.ctx = context;
}
@Override
public Bitmap display(Bitmap bitmap, ImageView imageView) {
Bitmap roundBitmap;
try {
roundBitmap = getRoundedCornerBitmap(ctx, bitmap, 10, bitmap.getWidth(), bitmap.getHeight(),
false, false, true, true);
} catch (OutOfMemoryError e) {
Log.e(ImageLoader.TAG, "Can't create bitmap with rounded corners. Not enough memory.", e);
roundBitmap = bitmap;
}
imageView.setImageBitmap(roundBitmap);
return roundBitmap;
}
/*
private Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
final RectF rectF = new RectF(rect);
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(0xFFFFFFFF);
canvas.drawRoundRect(rectF, roundPixels, roundPixels, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
return output;
}*/
public static Bitmap getRoundedCornerBitmap(Context context, Bitmap input, int pixels , int w , int h , boolean squareTL, boolean squareTR, boolean squareBL, boolean squareBR ) {
Bitmap output = Bitmap.createBitmap(w, h, Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final float densityMultiplier = context.getResources().getDisplayMetrics().density;
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, w, h);
final RectF rectF = new RectF(rect);
//make sure that our rounded corner is scaled appropriately
final float roundPx = pixels*densityMultiplier;
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
//draw rectangles over the corners we want to be square
if (squareTL){
canvas.drawRect(0, 0, w/2, h/2, paint);
}
if (squareTR){
canvas.drawRect(w/2, 0, w, h/2, paint);
}
if (squareBL){
canvas.drawRect(0, h/2, w/2, h, paint);
}
if (squareBR){
canvas.drawRect(w/2, h/2, w, h, paint);
}
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(input, 0,0, paint);
return output;
}
}