Java tutorial
//package com.java2s; /** * Copyright 2015 YA LLC * <p/> * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.Context; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.Rect; import android.graphics.Typeface; import android.support.annotation.NonNull; import android.support.annotation.Nullable; public class Main { /** * The most useful answer about text drawing ever. http://stackoverflow.com/a/32081250 */ @Nullable public static Bitmap createTypefaceBitmap(final Context context, @NonNull final String text, final int color, final float textSizePx) { final Typeface robotoMedium = Typeface.createFromAsset(context.getAssets(), "fonts/Roboto-Medium.ttf"); final Paint paint = new Paint(); paint.setAntiAlias(true); paint.setSubpixelText(true); paint.setTypeface(robotoMedium); paint.setStyle(Paint.Style.FILL); paint.setColor(color); paint.setTextSize(textSizePx); final Rect bounds = new Rect(); paint.getTextBounds(text, 0, text.length(), bounds); Bitmap bitmap = null; if (!bounds.isEmpty()) { final int width = bounds.width(); final int height = bounds.height(); bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444); final float x = bounds.left; final float y = height - bounds.bottom; final Canvas canvas = new Canvas(bitmap); canvas.drawText(text, x, y, paint); } return bitmap; } }