99 lines
3.8 KiB
Swift
99 lines
3.8 KiB
Swift
// The MIT License (MIT)
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// Copyright © 2017 Ivan Varabei (varabeis@icloud.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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import UIKit
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extension SPShadow {
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struct DeepStyle {
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private init() {}
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static func setFor(label: UILabel) {
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var offset = label.frame.height * 0.03
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offset.setIfMore(when: 1)
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label.setShadowOffsetForLetters(heightOffset: offset, opacity: 0.35)
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}
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static func setFor(view: UIView) {
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let xTranslationFactor: CGFloat = 0
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let yTranslationFactor: CGFloat = 0.18
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var widthRelativeFactor: CGFloat = 0.68
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let heightRelativeFactor: CGFloat = 0.78
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let blurRadiusFactor: CGFloat = 0.1
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let shadowOpacity: CGFloat = 0.3
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if view.frame.width < 120 {
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widthRelativeFactor = widthRelativeFactor * 0.8
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}
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var shadowWidth = view.frame.width * widthRelativeFactor
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if (view.frame.width - shadowWidth) / 2 > 35 {
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shadowWidth = view.frame.width - 70
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widthRelativeFactor = shadowWidth / view.frame.width
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}
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let shadowHeight = view.frame.height * heightRelativeFactor
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let xTranslation = (view.frame.width - shadowWidth) / 2 + (view.frame.width * xTranslationFactor)
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var yTranslation = (view.frame.height - shadowHeight) / 2 + (view.frame.height * yTranslationFactor)
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let minBottomSpace: CGFloat = 6
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if (yTranslation + shadowHeight - view.frame.height) < minBottomSpace {
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yTranslation = view.frame.height + minBottomSpace - shadowHeight
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}
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let maxBottomSpace: CGFloat = 12
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if (yTranslation + shadowHeight - view.frame.height) > maxBottomSpace {
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yTranslation = view.frame.height + maxBottomSpace - shadowHeight
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}
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var blurRadius = view.frame.minSide * blurRadiusFactor
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blurRadius.setIfMore(when: 10)
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blurRadius.setIfFewer(when: 7)
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view.setShadow(
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xTranslation: xTranslation,
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yTranslation: yTranslation,
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widthRelativeFactor: widthRelativeFactor,
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heightRelativeFactor: heightRelativeFactor,
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blurRadius: blurRadius,
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shadowOpacity: shadowOpacity,
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cornerRadius: view.layer.cornerRadius
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)
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}
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}
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}
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extension UIView {
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func setDeepShadow() {
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SPShadow.DeepStyle.setFor(view: self)
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}
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}
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extension UILabel {
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func setDeepShadowForLetters() {
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SPShadow.DeepStyle.setFor(label: self)
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}
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}
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