ColorFilterProcessor.java

package at.favre.lib.dali.builder.processor;

import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;

/**
 * Created by PatrickF on 27.05.2014.
 */
public class ColorFilterProcessor implements IBitmapProcessor {
	private int colorResId;
	private PorterDuff.Mode porterDuffMode;

	public ColorFilterProcessor(int colorResId, PorterDuff.Mode porterDuffMode) {
		this.colorResId = colorResId;
		this.porterDuffMode = porterDuffMode;
	}

	@Override
	public Bitmap manipulate(Bitmap original) {
		if(!original.isMutable()) {
			original = original.copy(original.getConfig(), true);
		}
		Paint p = new Paint(colorResId);
		ColorFilter filter = new PorterDuffColorFilter(colorResId, porterDuffMode);
		p.setColorFilter(filter);

		Canvas c = new Canvas(original);
		c.drawBitmap(original,0,0,p);

		return original;
	}

	@Override
	public String getProcessorTag() {
		return this.getClass().getSimpleName()+": "+colorResId;
	}
}