55 lines
1.2 KiB
Swift
55 lines
1.2 KiB
Swift
//
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// SPImageView.swift
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// ShortPlay
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//
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// Created by 曾觉新 on 2025/4/9.
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//
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import UIKit
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class SPImageView: UIImageView {
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var placeholderColor = UIColor.gray
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override init(frame: CGRect) {
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super.init(frame: frame)
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_init()
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}
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override init(image: UIImage?) {
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super.init(image: image)
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_init()
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}
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override init(image: UIImage?, highlightedImage: UIImage?) {
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super.init(image: image, highlightedImage: highlightedImage)
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_init()
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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func _init() {
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self.contentMode = .scaleAspectFill
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self.layer.masksToBounds = true
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if image == nil {
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self.backgroundColor = self.placeholderColor
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}
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}
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override var image: UIImage? {
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didSet {
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if self.backgroundColor == nil && image == nil {
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self.backgroundColor = self.placeholderColor
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} else if image != nil {
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if self.backgroundColor == self.placeholderColor {
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self.backgroundColor = nil
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}
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}
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}
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}
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}
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