58 lines
1.5 KiB
Swift
58 lines
1.5 KiB
Swift
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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import UIKit
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@objc
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public class ImageEditorStrokeItem: ImageEditorItem {
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// Until we need to serialize these items,
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// just use UIColor.
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@objc
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public let color: UIColor
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public typealias StrokeSample = ImageEditorSample
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@objc
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public let unitSamples: [StrokeSample]
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// Expressed as a "Unit" value as a fraction of
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// min(width, height) of the destination viewport.
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@objc
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public let unitStrokeWidth: CGFloat
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@objc
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public init(color: UIColor,
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unitSamples: [StrokeSample],
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unitStrokeWidth: CGFloat) {
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self.color = color
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self.unitSamples = unitSamples
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self.unitStrokeWidth = unitStrokeWidth
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super.init(itemType: .stroke)
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}
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@objc
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public init(itemId: String,
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color: UIColor,
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unitSamples: [StrokeSample],
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unitStrokeWidth: CGFloat) {
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self.color = color
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self.unitSamples = unitSamples
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self.unitStrokeWidth = unitStrokeWidth
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super.init(itemId: itemId, itemType: .stroke)
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}
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@objc
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public class func defaultUnitStrokeWidth() -> CGFloat {
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return 0.02
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}
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@objc
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public class func strokeWidth(forUnitStrokeWidth unitStrokeWidth: CGFloat,
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dstSize: CGSize) -> CGFloat {
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return CGFloatClamp01(unitStrokeWidth) * min(dstSize.width, dstSize.height)
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}
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}
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