Draw text along path

To draw text along path, we can call Canvas.drawTextOnPath(text, path, hOffset, vOffset, paint).

Draw text along path

Example:
Create a new class MyView extends View. Override the onDraw(Canvas canvas) method calling Canvas.drawTextOnPath() to draw text along path.
package com.AndroidMyCanvas;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.util.AttributeSet;
import android.view.View;

public class MyView extends View {

public MyView(Context context) {
super(context);
}

public MyView(Context context, AttributeSet attrs) {
super(context, attrs);
}

public MyView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}

@Override
protected void onDraw(Canvas canvas) {
// TODO Auto-generated method stub
super.onDraw(canvas);
Paint paint = new Paint();
paint.setStyle(Paint.Style.STROKE);
paint.setColor(Color.WHITE);
paint.setStrokeWidth(3);

Path path = new Path();
path.moveTo(50, 50);
path.cubicTo(500, 100, 100, 500, 1000, 500);
canvas.drawPath(path, paint);
canvas.drawPath(path, paint);

paint.setStyle(Paint.Style.FILL_AND_STROKE);
paint.setTextSize(100);

//drawTextOnPath(text, path, hOffset, vOffset, paint)
paint.setColor(Color.GRAY);
canvas.drawTextOnPath("--- Android.Coding ---", path, 110, 5, paint);
paint.setColor(Color.GREEN);
canvas.drawTextOnPath("--- Android.Coding ---", path, 100, 0, paint);
}

}


Modify main Java activity to setContentView() using our custom View, MyView.
package com.AndroidMyCanvas;

import android.app.Activity;
import android.os.Bundle;

public class AndroidMyCanvasActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(new MyView(this));
}
}


0 Response to "Draw text along path"

Posting Komentar