Android Open Source - Sertimus Talk Bubble

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Back to project page Sertimus.
License

The source code is released under:
GNU General Public License
If you think the Android project Sertimus listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package gameaddict30.wallpaper.sertimus.objects;
//from w w  w  .j  a  v a 2s.com
import gameaddict30.wallpaper.sertimus.MainCanvas;
import gameaddict30.wallpaper.sertimus.R;
import gameaddict30.wallpaper.sertimus.utilities.Strings;
import android.graphics.*;
import android.graphics.Paint.*;

public class TalkBubble extends LiveObject {
  private static float fontSize = 0f;
  private static final float boxRadius = 5f;
  private static final float boxPadding = 5f;
  
  private RectF boundary;
  private Path objPointer;
  
  private LiveObject hook;
  private String[] text;

  private long duration = 5000l, startTime=System.currentTimeMillis();
  
  private Paint rectP, textP;

  public TalkBubble(MainCanvas c, LiveObject l, String text) { // TalkBubble with default duration
    super(c);
    initBubble(l,text);
  }
  
  public LiveObject getHook() {
    return hook;
  }

  public TalkBubble(MainCanvas c, LiveObject l, String text, long duration) { // TalkBubble with default duration
    super(c);
    this.duration = duration;
    initBubble(l,text);
  }
  
  @Override
  protected void init(MainCanvas c) {
    /* An instantiation of a new LiveObject, by default, will add itself to
     * the referenced MainCanvas instance's ArrayList<LiveObject> object.
     * This method override will also send a reference of this instance to
     * the appropriate ArrayList<TalkBubble> object, otherwise we'll have
     * additional TalkBubble references that we can't get rid of. */
    c.queueTalkBubble(this);
    refCanvas = c;
  }
  
  protected void initBubble(LiveObject l, String text) {
    this.hook = l;
    
    textP = new Paint();
    textP.setColor(Color.BLACK);
    textP.setTextSize(fontSize);
    textP.setTextAlign(Align.LEFT);
    
    if (fontSize == 0f) {
      fontSize = refCanvas.getAppContext().getResources().getDimension(R.dimen.sertimus_talkbubble_fontsize);
    }
    
    width = (int)(hook.getWidth()*2+boxPadding*2);
    
    String completeString = autoWrap(text);
    height = (int)((Strings.countOccurrenceOf(completeString,'\n')+1)*fontSize+boxPadding*2);
    
    this.text = completeString.split("\n");
    
    boundary = new RectF(x,y,x+width+boxPadding,x+height+boxPadding);
    
    rectP = new Paint();
    
    objPointer = new Path();
    
    updateObject();
  }
  
  public long getStartTime() {
    return startTime;
  }
  
  public long getDuration() {
    return duration;
  }

  protected String autoWrap(String text) { // Format the text to fit within the boundaries of our TalkBubble.
    Rect textBounds = new Rect();
    for (int x=0,lastNLIndex=0; x < text.length(); x++) {
      textP.getTextBounds(text, lastNLIndex, x+1, textBounds);
      if (textBounds.width() > width-boxRadius-boxPadding) {
        lastNLIndex=x;
        if (text.charAt(x) == '\n')
          continue;
        
        String startSub = text.substring(0, x), endSub = text.substring(x, text.length());
        text = startSub+'\n'+endSub;
      }
    }
    return text;
  }

  @Override
  public void updateObject() {
    x = (float)(hook.getX()-width/2);
    y = (float)(hook.getY()-hook.getHeight()-15);
    
    if (x < 0)
      x = 0;
    else if (x+width > refCanvas.getWidth())
      x = refCanvas.getWidth()-width;
    
    if (y < 0)
      y = 0;
    else if (y+height > refCanvas.getHeight())
      y = refCanvas.getHeight()-height;
    
    boundary.set(x,y,x+width,y+height);
    
    objPointer.reset();
    objPointer.moveTo(x+((float)width+boxPadding)*(2f/6f), y+((float)height-boxPadding));
    objPointer.lineTo(x+((float)width+boxPadding)*(4f/6f), y+((float)height-boxPadding));
    objPointer.lineTo(x+(hook.getX()-x), y+((float)height-boxPadding)+15f);
    objPointer.close();
  }

  @Override
  public void drawObject(Canvas c) {
    rectP.setColor(Color.WHITE);
    rectP.setStyle(Style.FILL);
    
    c.drawRoundRect(boundary, boxRadius, boxRadius, rectP);
    
    rectP.setColor(Color.BLACK);
    rectP.setStrokeCap(Cap.ROUND);
    rectP.setStrokeJoin(Join.MITER);
    rectP.setStrokeWidth(1f);
    rectP.setStyle(Style.STROKE);
    
    c.drawRoundRect(boundary, boxRadius, boxRadius, rectP);
    
    for (int x=0; x < text.length; x++) {
      c.drawText(text[x], boundary.left+boxPadding, boundary.top+x*fontSize+fontSize, textP);
    }
    
    rectP.setColor(Color.WHITE);
    rectP.setStyle(Style.FILL_AND_STROKE);
    rectP.setStrokeWidth(1f);
    rectP.setStrokeCap(Cap.BUTT);
    rectP.setStrokeJoin(Join.MITER);
    
    c.drawPath(objPointer, rectP);
  }
}
Java Source Code List
