71 lines
1.4 KiB
Swift
71 lines
1.4 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 public enum ImageEditorError: Int, Error {
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case assertionError
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case invalidInput
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}
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@objc
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public enum ImageEditorItemType: Int {
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case test
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case stroke
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case text
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}
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// MARK: -
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// Represented in a "ULO unit" coordinate system
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// for source image.
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//
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// "ULO" coordinate system is "upper-left-origin".
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//
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// "Unit" coordinate system means values are expressed
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// in terms of some other values, in this case the
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// width and height of the source image.
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//
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// * 0.0 = left edge
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// * 1.0 = right edge
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// * 0.0 = top edge
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// * 1.0 = bottom edge
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public typealias ImageEditorSample = CGPoint
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// MARK: -
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// Instances of ImageEditorItem should be treated
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// as immutable, once configured.
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@objc
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public class ImageEditorItem: NSObject {
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@objc
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public let itemId: String
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@objc
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public let itemType: ImageEditorItemType
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@objc
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public init(itemType: ImageEditorItemType) {
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self.itemId = UUID().uuidString
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self.itemType = itemType
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super.init()
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}
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@objc
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public init(itemId: String,
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itemType: ImageEditorItemType) {
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self.itemId = itemId
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self.itemType = itemType
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super.init()
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}
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// The scale with which to render this item's content
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// when rendering the "output" image for sending.
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public func outputScale() -> CGFloat {
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return 1.0
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}
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}
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