content: /*******************************************************************************
   * Copyright 2013 Alexandros Schillings
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   *   http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   ******************************************************************************/
  package co.uk.alt236.reflectivedrawableloader.containers;
  
  import android.graphics.ColorFilter;
  import android.graphics.ColorMatrixColorFilter;
  import android.graphics.PorterDuff.Mode;
  import android.widget.ImageView;
  
  public class DrawableResourceContainer {
  	private final int mResourceId;
  	private final Integer mColourFilterColour;
  	private final String mDrawableName;
  	private ColorFilter mColourFilter;
  
  	public DrawableResourceContainer(int resourceId, Integer colourFilterColour) {
  		this(null, resourceId, colourFilterColour);
  	}
  
  	public DrawableResourceContainer(String drawableName, int resourceId, Integer colourFilterColour) {
  		this.mResourceId = resourceId;
  		this.mColourFilterColour = colourFilterColour;
  		this.mDrawableName = drawableName;
  	}
  
  	public Integer getColourFilterColour() {
  		return mColourFilterColour;
  	}
  
  	public String getDrawableName() {
  		return mDrawableName;
  	}
  
  	private ColorFilter getOverridingColorFilter(int color){
  		if(mColourFilter == null){
  			int red = (color & 0xFF0000) / 0xFFFF;
  			int green = (color & 0xFF00) / 0xFF;
  			int blue = color & 0xFF;
  
  			float[] matrix = { 0, 0, 0, 0, red
  					, 0, 0, 0, 0, green
  					, 0, 0, 0, 0, blue
  					, 0, 0, 0, 1, 0 };
  
  			mColourFilter =  new ColorMatrixColorFilter(matrix);
  		}
  		return mColourFilter;
  	}
  
  	public int getResourceId() {
  		return mResourceId;
  	}
  
  	public boolean hasColourFilter() {
  		return !(mColourFilterColour == null);
  	}
  
  	public void setDrawableWithColorOverrideMatrix(ImageView iv) {
  		iv.setImageResource(mResourceId);
  		if (hasColourFilter()) {
  			iv.setColorFilter(getOverridingColorFilter(mColourFilterColour));
  		} else {
  			iv.setColorFilter(null);
  		}
  	}
  
  	public void setDrawableWithPorterDuffMultiply(ImageView iv) {
  		iv.setImageResource(mResourceId);
  		if (hasColourFilter()) {
  			iv.setColorFilter(mColourFilterColour, Mode.MULTIPLY);
  		} else {
  			iv.setColorFilter(null);
  		}
  	}
  }
  