Android Open Source - SmartNavi Color Style

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Back to project page SmartNavi.

License

The source code is released under:

Apache License

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Java Source Code

package org.osmdroid.bonuspack.kml;
/*w w  w  . j a  va  2 s  .c o m*/
import java.io.IOException;
import java.io.Writer;

import android.graphics.Color;
import android.os.Parcel;
import android.os.Parcelable;

/**
 * Handling of KML ColorStyle
 * @author M.Kergall
 */
public class ColorStyle implements Parcelable {
  /** color modes */
  static final int MODE_NORMAL=0, MODE_RANDOM=1;
  
  public int mColor;
  public int mColorMode;
  
  public ColorStyle(){
    this(0);
  }
  
  ColorStyle(int color){
    this.mColor = color;
    mColorMode = MODE_NORMAL;
  }
  
  /** return color in Android int color format */
  public static int parseKMLColor(String sColor){
    sColor = sColor.trim();
    while (sColor.length()<8)
      sColor = "0"+sColor;
    String aa = sColor.substring(0, 2);
    String bb = sColor.substring(2, 4);
    String gg = sColor.substring(4, 6);
    String rr = sColor.substring(6, 8);
    sColor = "#"+aa+rr+gg+bb;
    int iColor = 0xFF000000; //default
    try {
      iColor = Color.parseColor(sColor);
    } catch (IllegalArgumentException e){
      e.printStackTrace();
    }
    return iColor;
  }

  /** return color in KML color format, which is: AABBGGRR, in hexa values*/
  public static String colorAsKMLString(int aColor){
    return String.format("%02X%02X%02X%02X", Color.alpha(aColor), Color.blue(aColor), Color.green(aColor), Color.red(aColor));
  }
  
  /** return color in usual Android color format, which is: #AARRGGBB, in hexa values*/
  public static String colorAsAndroidString(int aColor){
    return String.format("#%08X", 0xFFFFFFFF & aColor);
  }
  
  public String colorAsAndroidString(){
    return colorAsAndroidString(mColor);
  }
  
  /**
   * @return the color to use on an actual object. If color mode is random, generate appropriate random color. 
   */
  public int getFinalColor(){
    if (mColorMode == MODE_NORMAL)
      return mColor;
    else  { //mode random:
      //generate a random color within the range of each color component:
      int alpha = Color.alpha(mColor);
      double randomRange = Math.random();
      int red = Color.red(mColor); red = (int)(red * randomRange);
      int green = Color.green(mColor); green = (int)(green * randomRange);
      int blue = Color.blue(mColor); blue = (int)(blue * randomRange);
      return Color.argb(alpha, red, green, blue);
    }
  }

  public void writeAsKML(Writer writer){
    try {
      writer.write("<color>"+colorAsKMLString(mColor)+"</color>\n");
      if (mColorMode == MODE_RANDOM){
        writer.write("<colorMode>random</colorMode>\n");
      }
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
  
  //Parcelable implementation ------------

  @Override public int describeContents() {
    return 0;
  }

  @Override public void writeToParcel(Parcel out, int flags) {
    out.writeInt(mColor);
    out.writeInt(mColorMode);
  }
  
  public static final Parcelable.Creator<ColorStyle> CREATOR = new Parcelable.Creator<ColorStyle>() {
    @Override public ColorStyle createFromParcel(Parcel source) {
      return new ColorStyle(source);
    }
    @Override public ColorStyle[] newArray(int size) {
      return new ColorStyle[size];
    }
  };
  
  public ColorStyle(Parcel in){
    mColor = in.readInt();
    mColorMode = in.readInt();
  }
}

Java Source Code List