Convert drawable To Bitmap via Canvas - Android Graphics

Android examples for Graphics:Drawable

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Description

Convert drawable To Bitmap via Canvas

Demo Code


//package com.java2s;

import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.PixelFormat;

import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.NinePatchDrawable;

public class Main {

    public static Bitmap drawableToBitmap(Drawable drawable) {
        if (drawable instanceof BitmapDrawable) {
            return ((BitmapDrawable) drawable).getBitmap();
        } else if (drawable instanceof NinePatchDrawable) {
            Bitmap bitmap = Bitmap//from  w  w  w .  j a v  a 2s.  c  om
                    .createBitmap(
                            drawable.getIntrinsicWidth(),
                            drawable.getIntrinsicHeight(),
                            drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888
                                    : Bitmap.Config.ARGB_8888);
            Canvas canvas = new Canvas(bitmap);
            drawable.setBounds(0, 0, drawable.getIntrinsicWidth(),
                    drawable.getIntrinsicHeight());

            drawable.draw(canvas);
            return bitmap;
        } else {
            throw new IllegalArgumentException(
                    "can not support this drawable to bitmap now!!!");
        }
    }

    public static Bitmap getBitmap(Bitmap source, int x, int y, int width,
            int height) {
        Bitmap bitmap = Bitmap.createBitmap(source, x, y, width, height);
        return bitmap;
    }
}

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