Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source 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 gContext, int gResId, String gText) {
        Resources resources = gContext.getResources();
        float scale = resources.getDisplayMetrics().density;
        Bitmap bitmap = BitmapFactory.decodeResource(resources, gResId);

        Bitmap.Config bitmapConfig = bitmap.getConfig();
        // set default bitmap config if none
        if (bitmapConfig == null) {
            bitmapConfig = 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 - #808080
        paint.setColor(Color.rgb(127, 127, 127));
        // text size in pixels
        paint.setTextSize((int) (14 * scale * 5));
        // text shadow
        paint.setShadowLayer(1f, 0f, 1f, Color.WHITE);

        // draw text to the Canvas center
        Rect bounds = new Rect();
        paint.getTextBounds(gText, 0, gText.length(), bounds);
        //      int x = (bitmap.getWidth() - bounds.width()) / 2;
        //      int y = (bitmap.getHeight() + bounds.height()) / 2;
        //draw  text  to the bottom
        int x = (bitmap.getWidth() - bounds.width()) / 10 * 9;
        int y = (bitmap.getHeight() + bounds.height()) / 10 * 9;
        canvas.drawText(gText, x, y, paint);

        return bitmap;
    }
}