55 lines
2.1 KiB
Swift
55 lines
2.1 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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struct SPLayout {
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static func sizeWith(widthFactor: CGFloat, maxWidth: CGFloat?, heightFactor: CGFloat, maxHeight: CGFloat?, relativeSideFactor: CGFloat?, from size: CGSize) -> CGSize {
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var widthArea = size.width * widthFactor
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var heightArea = size.height * heightFactor
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if let maxWidth = maxWidth {
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widthArea.setIfMore(when: maxWidth)
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}
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if let maxHeight = maxHeight {
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heightArea.setIfMore(when: maxHeight)
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}
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var prepareWidth = widthArea
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var prepareHeight = heightArea
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if let relativeSideFactor = relativeSideFactor {
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prepareHeight = widthArea / relativeSideFactor
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if prepareHeight > heightArea {
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prepareHeight = heightArea
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prepareWidth = heightArea * relativeSideFactor
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}
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}
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return CGSize.init(width: prepareWidth, height: prepareHeight)
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}
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private init() {}
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}
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