tobyliu-sw

extension ViewController: UIScrollViewDelegate {
    @IBAction func pageControlValueChanged(_ sender: UIPageControl) {
        let pageSize: CGSize = self.scrollView.bounds.size
        let pageOrigin: CGPoint = CGPoint(x: CGFloat(sender.currentPage) * pageSize.width, y: 0.0)

        // Scroll to corresponding page when current page index of page control is changed
        self.scrollView.scrollRectToVisible(CGRect(origin: pageOrigin, size: pageSize), animated: true)
    }

    func scrollViewDidScroll(_ scrollView: UIScrollView) {

tobyliu-sw

extension ViewController: UIScrollViewDelegate {
    /// Set scale transformation to each card view according to current content offset of scroll view
    private func setScaleOfCards() {
        let pageWidth: CGFloat = self.scrollView.bounds.width
        let minScale: CGFloat = 0.8
        let scrollOffsetX: CGFloat = self.scrollView.contentOffset.x

        for (cardIndex, cardView) in self.cards.enumerated() {
            let pageOffsetX: CGFloat = CGFloat(cardIndex) * pageWidth
            let offsetDiffRatio: CGFloat = min(1.0, abs(pageOffsetX - scrollOffsetX) / pageWidth)

tobyliu-sw

import argparse
import sys
import os
import cv2
import json


# default resized icon imag format
# could be changed to jpg
RESIZED_ICON_IMAGE_FORMAT = "png"