Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.content.Context;

import android.content.res.Resources;
import android.graphics.Bitmap;

import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.Rect;

public class Main {
    public static Bitmap drawTextToBitmap(Context mContext, int resourceId, String mText) {
        try {
            Resources resources = mContext.getResources();
            float scale = resources.getDisplayMetrics().density;
            Bitmap bitmap = BitmapFactory.decodeResource(resources, resourceId);

            android.graphics.Bitmap.Config bitmapConfig = bitmap.getConfig();
            // set default bitmap config if none
            if (bitmapConfig == null) {
                bitmapConfig = android.graphics.Bitmap.Config.ARGB_8888;
            }
            // resource bitmaps are imutable,
            // so we need to convert it to mutable one
            bitmap = bitmap.copy(bitmapConfig, true);

            Canvas canvas = new Canvas(bitmap);
            // new antialised Paint
            Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
            // text color - #3D3D3D
            paint.setColor(Color.rgb(77, 77, 77));
            // text size in pixels
            paint.setTextSize((int) (13 * scale));
            // text shadow
            paint.setShadowLayer(1f, 0f, 1f, Color.DKGRAY);

            // draw text to the Canvas center
            Rect bounds = new Rect();
            paint.getTextBounds(mText, 0, mText.length(), bounds);
            int x = (int) ((bitmap.getWidth() - bounds.width()) / 4);
            int y = (int) ((bitmap.getHeight() + bounds.height()) / 4);

            canvas.drawText(mText, x * scale, y * scale, paint);

            return bitmap;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;

    }
}