get Bitmaps By Bitmap - Android Graphics

Android examples for Graphics:Bitmap Create

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Description

get Bitmaps By Bitmap

Demo Code


//package com.java2s;

import android.content.Context;
import android.graphics.Bitmap;

import android.graphics.Matrix;

public class Main {
    public static Bitmap[] getBitmapsByBitmap(Context context,
            Bitmap source, int row, int col, float multiple) {
        Bitmap bitmaps[] = new Bitmap[row * col];

        int temp = 0;

        for (int i = 1; i <= row; i++) {
            for (int j = 1; j <= col; j++) {
                bitmaps[temp] = getImage(context, source, i, j, row, col,
                        multiple, false);
                temp++;/*from  w ww . ja va  2s.  c o m*/
            }
        }

        return bitmaps;
    }

    public static Bitmap getImage(Context context, Bitmap source, int row,
            int col, int rowTotal, int colTotal, float multiple,
            boolean isRecycle) {
        Bitmap temp = getBitmap(source, (col - 1) * source.getWidth()
                / colTotal, (row - 1) * source.getHeight() / rowTotal,
                source.getWidth() / colTotal, source.getHeight() / rowTotal);

        if (isRecycle) {
            recycleBitmap(source);
        }

        if (multiple != 1.0) {
            Matrix matrix = new Matrix();
            matrix.postScale(multiple, multiple);
            temp = Bitmap.createBitmap(temp, 0, 0, temp.getWidth(),
                    temp.getHeight(), matrix, true);
        }

        return temp;
    }

    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;
    }

    public static void recycleBitmap(Bitmap b) {
        if (b != null && !b.isRecycled()) {
            b.recycle();
            b = null;
        }
    }
}

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