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Merge pull request #8 from guhungry/Feature/drawText-with-shadow
Feature : Draw text with shadow
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,145 @@ | ||
| // | ||
| // TextStyle.swift | ||
| // WCPhotoManipulator | ||
| // | ||
| // Created by Woraphot Chokratanasombat on 12/7/24. | ||
| // Copyright © 2024 Woraphot Chokratanasombat. All rights reserved. | ||
| // | ||
|
|
||
| import UIKit | ||
|
|
||
| /// A class representing the style of text, including color, font, thickness, rotation, and shadow properties. | ||
| @objc public class TextStyle : NSObject { | ||
| /// The color of the text. | ||
| let color: UIColor | ||
| /// The font of the text. | ||
| let font: UIFont | ||
| /// The thickness of the text. Default value is 0. | ||
| let thickness: CGFloat | ||
| /// The rotation angle of the text in degrees. Default value is 0. | ||
| let rotation: CGFloat | ||
| /// The blur radius of the text's shadow. Default value is 0. | ||
| let shadowRadius: CGFloat | ||
| /// The offset of the text's shadow. Default value is CGSize(width: 0, height: 0). | ||
| let shadowOffset: CGSize | ||
| /// The color of the text's shadow. Default value is nil (no shadow color). | ||
| let shadowColor: UIColor? | ||
|
|
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| /// Computed property that creates and returns an NSShadow object based on the shadow properties. | ||
| var shadow: NSShadow { | ||
| let shadow = NSShadow() | ||
| shadow.shadowBlurRadius = shadowRadius | ||
| shadow.shadowOffset = shadowOffset | ||
| shadow.shadowColor = shadowColor | ||
| return shadow | ||
| } | ||
|
|
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| /// Initializes a new TextStyle object with specified properties. | ||
| /// | ||
| /// - Parameters: | ||
| /// - color: The color of the text. | ||
| /// - font: The font of the text. | ||
| /// - thickness: The thickness of the text. Default is 0. | ||
| /// - rotation: The rotation angle of the text in degrees. Default is 0. | ||
| /// - shadowRadius: The blur radius of the shadow. Default is 0. | ||
| /// - shadowOffsetX: The horizontal offset of the shadow. Default is 0. | ||
| /// - shadowOffsetY: The vertical offset of the shadow. Default is 0. | ||
| /// - shadowColor: The color of the shadow. Default is nil. | ||
| @objc public init(color: UIColor, font: UIFont, thickness: CGFloat, rotation: CGFloat, shadowRadius: CGFloat, shadowOffsetX: Int, shadowOffsetY: Int, shadowColor: UIColor?) { | ||
| self.color = color | ||
| self.font = font | ||
| self.thickness = thickness | ||
| self.rotation = rotation | ||
| self.shadowRadius = shadowRadius | ||
| self.shadowOffset = CGSize(width: shadowOffsetX, height: shadowOffsetY) | ||
| self.shadowColor = shadowColor | ||
| } | ||
|
|
||
| /// Convenience initializer with only color and font. | ||
| /// | ||
| /// - Parameters: | ||
| /// - color: The color of the text. | ||
| /// - font: The font of the text. | ||
| @objc public convenience init(color: UIColor, font: UIFont) { | ||
| self.init(color: color, font: font, thickness: 0) | ||
| } | ||
|
|
||
| /// Convenience initializer with color, font, and thickness. | ||
| /// | ||
| /// - Parameters: | ||
| /// - color: The color of the text. | ||
| /// - font: The font of the text. | ||
| /// - thickness: The thickness of the text. | ||
| @objc public convenience init(color: UIColor, font: UIFont, thickness: CGFloat) { | ||
| self.init(color: color, font: font, thickness: thickness, rotation: 0) | ||
| } | ||
|
|
||
| /// Convenience initializer with color, font, thickness, and rotation. | ||
| /// | ||
| /// - Parameters: | ||
| /// - color: The color of the text. | ||
| /// - font: The font of the text. | ||
| /// - thickness: The thickness of the text. | ||
| /// - rotation: The rotation angle of the text in degrees. | ||
| @objc public convenience init(color: UIColor, font: UIFont, thickness: CGFloat, rotation: CGFloat) { | ||
| self.init(color: color, font: font, thickness: thickness, rotation: rotation, shadowRadius: 0, shadowOffsetX: 0, shadowOffsetY: 0, shadowColor: nil) | ||
| } | ||
|
|
||
| /// Convenience initializer with color, size, and other optional properties. | ||
| /// | ||
| /// - Parameters: | ||
| /// - color: The color of the text. | ||
| /// - size: The size of the text's font. | ||
| /// - thickness: The thickness of the text. Default is 0. | ||
| /// - rotation: The rotation angle of the text in degrees. Default is 0. | ||
| /// - shadowRadius: The blur radius of the shadow. Default is 0. | ||
| /// - shadowOffsetX: The horizontal offset of the shadow. Default is 0. | ||
| /// - shadowOffsetY: The vertical offset of the shadow. Default is 0. | ||
| /// - shadowColor: The color of the shadow. Default is nil. | ||
| @objc public convenience init(color: UIColor, size: CGFloat, thickness: CGFloat, rotation: CGFloat, shadowRadius: CGFloat, shadowOffsetX: Int, shadowOffsetY: Int, shadowColor: UIColor?) { | ||
| self.init(color: color, font: UIFont.systemFont(ofSize: size), thickness: thickness, rotation: rotation, shadowRadius: shadowRadius, shadowOffsetX: shadowOffsetX, shadowOffsetY: shadowOffsetY, shadowColor: shadowColor) | ||
| } | ||
|
|
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| /// Convenience initializer with only color and size. | ||
| /// | ||
| /// - Parameters: | ||
| /// - color: The color of the text. | ||
| /// - size: The size of the text's font. | ||
| @objc public convenience init(color: UIColor, size: CGFloat) { | ||
| self.init(color: color, size: size, thickness: 0) | ||
| } | ||
|
|
||
| /// Convenience initializer with color, size, and thickness. | ||
| /// | ||
| /// - Parameters: | ||
| /// - color: The color of the text. | ||
| /// - size: The size of the text's font. | ||
| /// - thickness: The thickness of the text. | ||
| @objc public convenience init(color: UIColor, size: CGFloat, thickness: CGFloat) { | ||
| self.init(color: color, size: size, thickness: thickness, rotation: 0) | ||
| } | ||
|
|
||
| /// Convenience initializer with color, size, thickness, and rotation. | ||
| /// | ||
| /// - Parameters: | ||
| /// - color: The color of the text. | ||
| /// - size: The size of the text's font. | ||
| /// - thickness: The thickness of the text. | ||
| /// - rotation: The rotation angle of the text in degrees. | ||
| @objc public convenience init(color: UIColor, size: CGFloat, thickness: CGFloat, rotation: CGFloat) { | ||
| self.init(color: color, size: size, thickness: thickness, rotation: rotation, shadowRadius: 0, shadowOffsetX: 0, shadowOffsetY: 0, shadowColor: nil) | ||
| } | ||
|
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| public override var description: String { | ||
| return """ | ||
| TextStyle: | ||
| color: \(color) | ||
| font: \(font) | ||
| thickness: \(thickness) | ||
| rotation: \(rotation) | ||
| shadowRadius: \(shadowRadius) | ||
| shadowOffset: \(shadowOffset) | ||
| shadowColor: \(String(describing: shadowColor)) | ||
| """ | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // | ||
| // TextStyleTests.swift | ||
| // WCPhotoManipulatorTests | ||
| // | ||
| // Created by Woraphot Chokratanasombat on 15/7/2567 BE. | ||
| // Copyright © 2567 BE Woraphot Chokratanasombat. All rights reserved. | ||
| // | ||
|
|
||
| import XCTest | ||
|
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| final class TextStyleTests: XCTestCase { | ||
| override func setUpWithError() throws { | ||
| } | ||
|
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| override func tearDownWithError() throws { | ||
| } | ||
|
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| func testDescription_WithAllValues() throws { | ||
| // Given | ||
| let color = UIColor.red | ||
| let font = UIFont.systemFont(ofSize: 12) | ||
| let thickness: CGFloat = 1.5 | ||
| let rotation: CGFloat = 45 | ||
| let shadowRadius: CGFloat = 2.0 | ||
| let shadowOffsetX: Int = 3 | ||
| let shadowOffsetY: Int = 4 | ||
| let shadowColor: UIColor? = UIColor.black | ||
|
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| let textStyle = TextStyle( | ||
| color: color, | ||
| font: font, | ||
| thickness: thickness, | ||
| rotation: rotation, | ||
| shadowRadius: shadowRadius, | ||
| shadowOffsetX: shadowOffsetX, | ||
| shadowOffsetY: shadowOffsetY, | ||
| shadowColor: shadowColor | ||
| ) | ||
|
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| // When | ||
| let description = textStyle.description | ||
|
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| // Then | ||
| let expectedDescription = """ | ||
| TextStyle: | ||
| color: \(color) | ||
| font: \(font) | ||
| thickness: \(thickness) | ||
| rotation: \(rotation) | ||
| shadowRadius: \(shadowRadius) | ||
| shadowOffset: \(CGSize(width: shadowOffsetX, height: shadowOffsetY)) | ||
| shadowColor: \(String(describing: shadowColor)) | ||
| """ | ||
|
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| XCTAssertEqual(description, expectedDescription) | ||
| } | ||
| } |
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