draw Text At Bitmap - Android Graphics

Android examples for Graphics:Bitmap Paint

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  4. Bitmap Paint

Description

draw Text At Bitmap

Demo Code


//package com.java2s;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuffXfermode;

public class Main {
    public static void drawTextAtBitmap(Bitmap bitmap, String s) {
        if (bitmap == null) {
            return;
        } else {//from w  w w .j  av a  2 s  . c o  m
            Paint paint = new Paint();
            paint.setTextSize(20F);
            paint.setColor(0xff0000ff);
            paint.setAntiAlias(true);
            paint.setXfermode(new PorterDuffXfermode(
                    android.graphics.PorterDuff.Mode.SRC));
            paint.setTextAlign(android.graphics.Paint.Align.CENTER);
            paint.setShadowLayer(1.0F, 0.0F, 0.0F, -1);
            Canvas canvas = new Canvas(bitmap);
            android.graphics.Paint.FontMetrics fontmetrics = paint
                    .getFontMetrics();
            canvas.drawText(
                    s,
                    (1 + bitmap.getWidth()) / 2,
                    ((float) bitmap.getHeight() - (fontmetrics.descent + fontmetrics.ascent)) / 2.0F,
                    paint);
            return;
        }
    }
}

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