TopCropImageView.java

package quickutils.core.views.image;


import android.content.Context;
import android.graphics.Matrix;
import android.util.AttributeSet;
import android.widget.ImageView;

public class TopCropImageView extends ImageView {
    public TopCropImageView(Context context) {
        super(context);
        setScaleType(ScaleType.MATRIX);
    }

    public TopCropImageView(Context context, AttributeSet attrs) {
        super(context, attrs);
        setScaleType(ScaleType.MATRIX);
    }

    public TopCropImageView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        setScaleType(ScaleType.MATRIX);
    }

    @Override
    protected boolean setFrame(int l, int t, int r, int b) {
        Matrix matrix = getImageMatrix();
        try {
            float scale;
            int viewWidth = getWidth() - getPaddingLeft() - getPaddingRight();
            int viewHeight = getHeight() - getPaddingTop() - getPaddingBottom();
            int drawableWidth = getDrawable().getIntrinsicWidth();
            int drawableHeight = getDrawable().getIntrinsicHeight();

            if (drawableWidth * viewHeight > drawableHeight * viewWidth) {
                scale = (float) viewHeight / (float) drawableHeight;
            } else {
                scale = (float) viewWidth / (float) drawableWidth;
            }

            matrix.setScale(scale, scale);
            setImageMatrix(matrix);

        } catch (Exception e) {
            // Log.d(Utils.APP_PACKAGE_NAME,e.getMessage());
        }
        return super.setFrame(l, t, r, b);
    }

}