Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

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

import android.graphics.Bitmap.Config;

import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.LinearGradient;
import android.graphics.Matrix;
import android.graphics.Paint;

import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;

import android.graphics.Shader.TileMode;

import android.util.Log;
import android.view.Display;
import android.view.WindowManager;

public class Main {
    private static final String TAG = "MyImageUtils";

    public static Bitmap getFitableBitmapWithReflection(Context context, Bitmap bitmap) {
        if (bitmap == null) {
            return null;
        }
        WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        Display display = manager.getDefaultDisplay();
        int width = display.getWidth();
        float scale = 1.0f;
        if (width > 400) {
            scale = 1.8f;
        } else if (width > 300) {
            scale = 1.2f;
        } else {
            scale = 1.0f;
        }
        Log.i(TAG, "" + scale);
        Bitmap scaleBitmap = zoomBitmap(bitmap, scale);
        return createReflectionImageWithOrigin(scaleBitmap);
    }

    public static Bitmap zoomBitmap(Bitmap bitmap, int w, int h) {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        Matrix matrix = new Matrix();
        float scaleWidth = (float) (w / width);
        float scaleHeight = (float) (h / height);
        matrix.postScale(scaleWidth, scaleHeight);
        Bitmap result = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true);
        return result;
    }

    public static Bitmap zoomBitmap(Bitmap bitmap, float scale) {
        if (bitmap == null) {
            return null;
        }
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        Matrix matrix = new Matrix();
        matrix.postScale(scale, scale);
        Bitmap result = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true);
        return result;
    }

    public static Bitmap createReflectionImageWithOrigin(Bitmap bitmap) {
        if (bitmap == null) {
            return null;
        }
        final int reflectionGap = 4;
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();

        Matrix matrix = new Matrix();
        matrix.preScale(1, -1);

        Bitmap reflectionImage = Bitmap.createBitmap(bitmap, 0, height * 2 / 3, width, height / 3, matrix, false);
        Bitmap bitmapWithReflection = Bitmap.createBitmap(width, (height + height / 3), Config.ARGB_8888);

        Canvas canvas = new Canvas(bitmapWithReflection);
        canvas.drawBitmap(bitmap, 0, 0, null);
        Paint defaultPaint = new Paint();
        defaultPaint.setColor(Color.TRANSPARENT);
        canvas.drawRect(0, height, width, height + reflectionGap, defaultPaint);

        canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);

        Paint paint = new Paint();
        LinearGradient shader = new LinearGradient(0, bitmap.getHeight(), 0,
                bitmapWithReflection.getHeight() + reflectionGap, 0x88ffffff, 0x00ffffff, TileMode.CLAMP);
        paint.setShader(shader);
        paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
        canvas.drawRect(0, height, width, bitmapWithReflection.getHeight(), paint);

        return bitmapWithReflection;
    }
}