Convert drawable to InputStream - Android Graphics

Android examples for Graphics:Drawable Read

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Description

Convert drawable to InputStream

Demo Code


//package com.java2s;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

import java.io.InputStream;

import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.PixelFormat;

import android.graphics.drawable.Drawable;

public class Main {

    public static InputStream drawable2InputStream(Drawable d) {
        Bitmap bitmap = drawable2Bitmap(d);
        return bitmap2InputStream(bitmap);
    }//from  w w  w  .  j a v a  2  s .c o  m

    public static Bitmap drawable2Bitmap(Drawable drawable) {
        Bitmap bitmap = Bitmap
                .createBitmap(
                        drawable.getIntrinsicWidth(),
                        drawable.getIntrinsicHeight(),
                        drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888
                                : Bitmap.Config.RGB_565);
        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, drawable.getIntrinsicWidth(),
                drawable.getIntrinsicHeight());
        drawable.draw(canvas);
        return bitmap;
    }

    public static InputStream bitmap2InputStream(Bitmap bm) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bm.compress(Bitmap.CompressFormat.JPEG, 100, baos);
        InputStream is = new ByteArrayInputStream(baos.toByteArray());
        return is;
    }

    public static InputStream bitmap2InputStream(Bitmap bm, int quality) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bm.compress(Bitmap.CompressFormat.PNG, quality, baos);
        InputStream is = new ByteArrayInputStream(baos.toByteArray());
        return is;
    }
}

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