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DDIsFriend
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//
// ZLEditImageConfiguration.swift
// ZLPhotoBrowser
//
// Created by long on 2021/12/17.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
import UIKit
/// Provide an image sticker container view that conform to this protocol must be a subclass of UIView
/// UIView
@objc public protocol ZLImageStickerContainerDelegate {
@objc var selectImageBlock: ((UIImage) -> Void)? { get set }
@objc var hideBlock: (() -> Void)? { get set }
@objc func show(in view: UIView)
}
@objcMembers
public class ZLEditImageConfiguration: NSObject {
private var pri_tools: [ZLEditImageConfiguration.EditTool] = ZLEditImageConfiguration.EditTool.allCases
/// Edit image tools. (Default order is draw, clip, imageSticker, textSticker, mosaic, filtter)
/// Because Objective-C Array can't contain Enum styles, so this property is invalid in Objective-C.
/// - warning: If you want to use the image sticker feature, you must provide a view that implements ZLImageStickerContainerDelegate.
public var tools: [ZLEditImageConfiguration.EditTool] {
get {
if pri_tools.isEmpty {
return ZLEditImageConfiguration.EditTool.allCases
} else {
return pri_tools
}
}
set {
pri_tools = newValue
}
}
/// Edit image tools. (This property is only for objc).
/// - warning: If you want to use the image sticker feature, you must provide a view that implements ZLImageStickerContainerDelegate.
public var tools_objc: [Int] = [] {
didSet {
tools = tools_objc.compactMap { ZLEditImageConfiguration.EditTool(rawValue: $0) }
}
}
private static let defaultDrawColors: [UIColor] = [
.white,
.black,
.zl.rgba(249, 80, 81),
.zl.rgba(248, 156, 59),
.zl.rgba(255, 195, 0),
.zl.rgba(145, 211, 0),
.zl.rgba(0, 193, 94),
.zl.rgba(16, 173, 254),
.zl.rgba(16, 132, 236),
.zl.rgba(99, 103, 240),
.zl.rgba(127, 127, 127)
]
private var pri_drawColors = ZLEditImageConfiguration.defaultDrawColors
/// Draw colors for image editor.
public var drawColors: [UIColor] {
get {
if pri_drawColors.isEmpty {
return ZLEditImageConfiguration.defaultDrawColors
} else {
return pri_drawColors
}
}
set {
pri_drawColors = newValue
}
}
/// The default draw color. If this color not in editImageDrawColors, will pick the first color in editImageDrawColors as the default.
public var defaultDrawColor: UIColor = .zl.rgba(249, 80, 81)
private var pri_clipRatios: [ZLImageClipRatio] = [.custom]
/// Edit ratios for image editor.
public var clipRatios: [ZLImageClipRatio] {
get {
if pri_clipRatios.isEmpty {
return [.custom]
} else {
return pri_clipRatios
}
}
set {
pri_clipRatios = newValue
}
}
private static let defaultTextStickerTextColors: [UIColor] = [
.white,
.black,
.zl.rgba(249, 80, 81),
.zl.rgba(248, 156, 59),
.zl.rgba(255, 195, 0),
.zl.rgba(145, 211, 0),
.zl.rgba(0, 193, 94),
.zl.rgba(16, 173, 254),
.zl.rgba(16, 132, 236),
.zl.rgba(99, 103, 240),
.zl.rgba(127, 127, 127)
]
private var pri_textStickerTextColors: [UIColor] = ZLEditImageConfiguration.defaultTextStickerTextColors
/// Text sticker colors for image editor.
public var textStickerTextColors: [UIColor] {
get {
if pri_textStickerTextColors.isEmpty {
return ZLEditImageConfiguration.defaultTextStickerTextColors
} else {
return pri_textStickerTextColors
}
}
set {
pri_textStickerTextColors = newValue
}
}
/// The default text sticker color. If this color not in textStickerTextColors, will pick the first color in textStickerTextColors as the default.
public var textStickerDefaultTextColor = UIColor.white
private var pri_filters: [ZLFilter] = ZLFilter.all
/// Filters for image editor.
public var filters: [ZLFilter] {
get {
if pri_filters.isEmpty {
return ZLFilter.all
} else {
return pri_filters
}
}
set {
pri_filters = newValue
}
}
public var imageStickerContainerView: (UIView & ZLImageStickerContainerDelegate)?
private var pri_adjustTools: [ZLEditImageConfiguration.AdjustTool] = ZLEditImageConfiguration.AdjustTool.allCases
/// Adjust image tools. (Default order is brightness, contrast, saturation)
/// Valid when the tools contain EditTool.adjust
/// Because Objective-C Array can't contain Enum styles, so this property is invalid in Objective-C.
public var adjustTools: [ZLEditImageConfiguration.AdjustTool] {
get {
if pri_adjustTools.isEmpty {
return ZLEditImageConfiguration.AdjustTool.allCases
} else {
return pri_adjustTools
}
}
set {
pri_adjustTools = newValue
}
}
/// Adjust image tools. (This property is only for objc).
/// Valid when the tools contain EditTool.adjust
public var adjustTools_objc: [Int] = [] {
didSet {
adjustTools = adjustTools_objc.compactMap { ZLEditImageConfiguration.AdjustTool(rawValue: $0) }
}
}
/// Give an impact feedback when the adjust slider value is zero. Defaults to true.
public var impactFeedbackWhenAdjustSliderValueIsZero = true
/// Impact feedback style. Defaults to .medium
public var impactFeedbackStyle: UIImpactFeedbackGenerator.FeedbackStyle = .medium
/// Whether to support redo in graffiti and mosaic tools. Defaults to false
public var canRedo = false
}
public extension ZLEditImageConfiguration {
@objc enum EditTool: Int, CaseIterable {
case draw
case clip
case imageSticker
case textSticker
case mosaic
case filter
case adjust
}
@objc enum AdjustTool: Int, CaseIterable {
case brightness
case contrast
case saturation
var key: String {
switch self {
case .brightness:
return kCIInputBrightnessKey
case .contrast:
return kCIInputContrastKey
case .saturation:
return kCIInputSaturationKey
}
}
func filterValue(_ value: Float) -> Float {
switch self {
case .brightness:
// -1---103 -0.33---0.33
return value / 3
case .contrast:
// 0---410.5---2.5
let v: Float
if value < 0 {
v = 1 + value * (1 / 2)
} else {
v = 1 + value * (3 / 2)
}
return v
case .saturation:
// 0---21
return value + 1
}
}
}
}
// MARK: chaining
public extension ZLEditImageConfiguration {
@discardableResult
func tools(_ tools: [ZLEditImageConfiguration.EditTool]) -> ZLEditImageConfiguration {
self.tools = tools
return self
}
@discardableResult
func drawColors(_ colors: [UIColor]) -> ZLEditImageConfiguration {
drawColors = colors
return self
}
func defaultDrawColor(_ color: UIColor) -> ZLEditImageConfiguration {
defaultDrawColor = color
return self
}
@discardableResult
func clipRatios(_ ratios: [ZLImageClipRatio]) -> ZLEditImageConfiguration {
clipRatios = ratios
return self
}
@discardableResult
func textStickerTextColors(_ colors: [UIColor]) -> ZLEditImageConfiguration {
textStickerTextColors = colors
return self
}
@discardableResult
func textStickerDefaultTextColor(_ color: UIColor) -> ZLEditImageConfiguration {
textStickerDefaultTextColor = color
return self
}
@discardableResult
func filters(_ filters: [ZLFilter]) -> ZLEditImageConfiguration {
self.filters = filters
return self
}
@discardableResult
func imageStickerContainerView(_ view: (UIView & ZLImageStickerContainerDelegate)?) -> ZLEditImageConfiguration {
imageStickerContainerView = view
return self
}
@discardableResult
func adjustTools(_ tools: [ZLEditImageConfiguration.AdjustTool]) -> ZLEditImageConfiguration {
adjustTools = tools
return self
}
@discardableResult
func impactFeedbackWhenAdjustSliderValueIsZero(_ value: Bool) -> ZLEditImageConfiguration {
impactFeedbackWhenAdjustSliderValueIsZero = value
return self
}
@discardableResult
func impactFeedbackStyle(_ style: UIImpactFeedbackGenerator.FeedbackStyle) -> ZLEditImageConfiguration {
impactFeedbackStyle = style
return self
}
@discardableResult
func canRedo(_ value: Bool) -> ZLEditImageConfiguration {
canRedo = value
return self
}
}
// MARK:
public class ZLImageClipRatio: NSObject {
@objc public var title: String
@objc public let whRatio: CGFloat
@objc public let isCircle: Bool
@objc public init(title: String, whRatio: CGFloat, isCircle: Bool = false) {
self.title = title
self.whRatio = isCircle ? 1 : whRatio
self.isCircle = isCircle
super.init()
}
}
extension ZLImageClipRatio {
static func == (lhs: ZLImageClipRatio, rhs: ZLImageClipRatio) -> Bool {
return lhs.whRatio == rhs.whRatio && lhs.title == rhs.title
}
}
public extension ZLImageClipRatio {
@objc static let custom = ZLImageClipRatio(title: "custom", whRatio: 0)
@objc static let circle = ZLImageClipRatio(title: "circle", whRatio: 1, isCircle: true)
@objc static let wh1x1 = ZLImageClipRatio(title: "1 : 1", whRatio: 1)
@objc static let wh3x4 = ZLImageClipRatio(title: "3 : 4", whRatio: 3.0 / 4.0)
@objc static let wh4x3 = ZLImageClipRatio(title: "4 : 3", whRatio: 4.0 / 3.0)
@objc static let wh2x3 = ZLImageClipRatio(title: "2 : 3", whRatio: 2.0 / 3.0)
@objc static let wh3x2 = ZLImageClipRatio(title: "3 : 2", whRatio: 3.0 / 2.0)
@objc static let wh9x16 = ZLImageClipRatio(title: "9 : 16", whRatio: 9.0 / 16.0)
@objc static let wh16x9 = ZLImageClipRatio(title: "16 : 9", whRatio: 16.0 / 9.0)
}