Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Picture;

public class Main {
    /**
     * @brief      Converting picture to bitmap array.
     * 
     * @author     daiping.zhao
     * @param      bm   [IN]  bitmap object
     * 
     * @return     Return converted bytes array
     */
    public static Bitmap pictureToBitmap(Picture picture, int width, int height) {
        Bitmap b = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
        Canvas canvas = new Canvas(b);

        // May need to tweak these values to determine what is the
        // best scale factor
        int picWidth = picture.getWidth();
        int picHeight = picture.getHeight();
        float scaleFactorX = 1.0f;
        float scaleFactorY = 1.0f;
        if (picWidth > 0) {
            scaleFactorX = (float) width / (float) picWidth;
        } else {
            return null;
        }

        if (picWidth > picHeight) {
            // If the device is in landscape and the page is shorter
            // than the height of the view, stretch the thumbnail to fill the
            // space.
            scaleFactorY = (float) height / (float) picHeight;
        } else {
            // In the portrait case, this looks nice.
            scaleFactorY = scaleFactorX;
        }

        canvas.scale(scaleFactorX, scaleFactorY);

        picture.draw(canvas);
        return b;
    }
}