Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.graphics.Rect;

public class Main {
    public static float calculateScale(Rect startBounds, Rect finalBounds) {

        float scale;
        if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width()
                / startBounds.height()) {
            /* Extend start bounds horizontally*/
            scale = (float) startBounds.height() / finalBounds.height();
            float startWidth = scale * finalBounds.width();
            float deltaWidth = (startWidth - startBounds.width()) / 2;
            startBounds.left -= deltaWidth;
            startBounds.right += deltaWidth;
        } else {
            /* Extend start bounds vertically*/
            scale = (float) startBounds.width() / finalBounds.width();
            float startHeight = scale * finalBounds.height();
            float deltaHeight = (startHeight - startBounds.height()) / 2;
            startBounds.top -= deltaHeight;
            startBounds.bottom += deltaHeight;
        }

        return scale;
    }
}