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Merge pull request #35 from pedroSG94/feature/view-filter
Feature/view filter
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97 changes: 97 additions & 0 deletions
97
RootEncoder/Sources/RootEncoder/encoder/input/metal/Sprite.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| // | ||
| // File.swift | ||
| // | ||
| // | ||
| // Created by Pedro on 9/8/24. | ||
| // | ||
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| import Foundation | ||
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| public class Sprite { | ||
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| private var positionX: Double = 0 | ||
| private var positionY: Double = 0 | ||
| private var scaleX: Double = 100 | ||
| private var scaleY: Double = 100 | ||
| private var rotation: Double = 0 | ||
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| public func translateTo(translation: TranslateTo) { | ||
| switch translation { | ||
| case .CENTER: | ||
| positionX = (100 - scaleX) / 2 | ||
| positionY = (100 - scaleY) / 2 | ||
| case .LEFT: | ||
| positionX = 0 | ||
| positionY = (100 - scaleY) / 2 | ||
| case .RIGHT: | ||
| positionX = 100 - scaleX | ||
| positionY = (100 - scaleY) / 2 | ||
| case .TOP: | ||
| positionX = (100 - scaleX) / 2 | ||
| positionY = 0 | ||
| case .BOTTOM: | ||
| positionX = (100 - scaleX) / 2 | ||
| positionY = 100 - scaleY | ||
| case .TOP_LEFT: | ||
| positionX = 0 | ||
| positionY = 0 | ||
| case .TOP_RIGHT: | ||
| positionX = 100 - scaleX | ||
| positionY = 0 | ||
| case .BOTTOM_LEFT: | ||
| positionX = 0 | ||
| positionY = 100 - scaleY | ||
| case .BOTTOM_RIGHT: | ||
| positionX = 100 - scaleX | ||
| positionY = 100 - scaleY | ||
| } | ||
| } | ||
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| public func reset() { | ||
| positionX = 0 | ||
| positionY = 0 | ||
| scaleX = 100 | ||
| scaleY = 100 | ||
| rotation = 0 | ||
| } | ||
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| public func getCalculatedScale(image: CGRect, filter: CGRect) -> CGSize { | ||
| let filterWidth = filter.width | ||
| let filterHeight = filter.height | ||
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| let imageWidth = image.width | ||
| let imageHeight = image.height | ||
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| let scaleX = imageWidth / filterWidth | ||
| let scaleY = imageHeight / filterHeight | ||
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| let resultX = scaleX / (100 / self.scaleX) | ||
| let resultY = scaleY / (100 / self.scaleY) | ||
| return CGSize(width: resultX, height: resultY) | ||
| } | ||
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| public func getCalculatedPosition(image: CGRect, filter: CGRect) -> CGSize { | ||
| let resultX: Double = image.width * positionX / 100 | ||
| let resultY: Double = (image.height - image.height * (scaleY / 100)) - (image.height * positionY / 100) | ||
| return CGSize(width: resultX, height: resultY) | ||
| } | ||
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| public func getCalculatedRotation() -> Double { | ||
| return self.rotation * .pi / 180 | ||
| } | ||
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| public func setPosition(x: Double, y: Double) { | ||
| positionX = x | ||
| positionY = y | ||
| } | ||
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| public func setScale(x: Double, y: Double) { | ||
| scaleX = x | ||
| scaleY = y | ||
| } | ||
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| public func setRotation(rotation: Double) { | ||
| self.rotation = rotation | ||
| } | ||
| } |
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60 changes: 60 additions & 0 deletions
60
RootEncoder/Sources/RootEncoder/encoder/input/metal/filter/UIViewFilterRender.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| // | ||
| // ViewFilterRender.swift | ||
| // | ||
| // | ||
| // Created by Pedro on 4/8/24. | ||
| // | ||
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| import Foundation | ||
| import CoreImage | ||
| import SwiftUI | ||
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| public class ViewFilterRender: BaseFilterRender { | ||
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| private let view: UIView | ||
| private let sprite = Sprite() | ||
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| public init(view: UIView) { | ||
| self.view = view | ||
| } | ||
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| public func draw(image: CIImage, orientation: CGImagePropertyOrientation) -> CIImage { | ||
| let filterView = toCIImage(view: view) | ||
| guard let filterView = filterView else { return image } | ||
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| let scale = sprite.getCalculatedScale(image: image.extent, filter: filterView.extent) | ||
| let position = sprite.getCalculatedPosition(image: image.extent, filter: filterView.extent) | ||
| let rotation = sprite.getCalculatedRotation() | ||
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| let scaled = filterView | ||
| .transformed(by: CGAffineTransform(scaleX: scale.width, y: scale.height)) | ||
| .transformed(by: CGAffineTransform(rotationAngle: rotation)) | ||
| .transformed(by: CGAffineTransform(translationX: position.width, y: position.height)) | ||
| return scaled.composited(over: image) | ||
| } | ||
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| private func toCIImage(view: UIView) -> CIImage? { | ||
| UIGraphicsBeginImageContextWithOptions(view.bounds.size, false, 0) | ||
| view.drawHierarchy(in: view.bounds, afterScreenUpdates: false) | ||
| let image = UIGraphicsGetImageFromCurrentImageContext() | ||
| UIGraphicsEndImageContext() | ||
| guard let image = image else { return nil } | ||
| return CIImage(image: image) | ||
| } | ||
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| public func setScale(percentX: Double, percentY: Double) { | ||
| sprite.setScale(x: percentX, y: percentY) | ||
| } | ||
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| public func setPosition(percentX: Double, percentY: Double) { | ||
| sprite.setPosition(x: percentX, y: percentY) | ||
| } | ||
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| public func translateTo(translation: TranslateTo) { | ||
| sprite.translateTo(translation: translation) | ||
| } | ||
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| public func setRotation(rotation: Double) { | ||
| sprite.setRotation(rotation: rotation) | ||
| } | ||
| } |
21 changes: 21 additions & 0 deletions
21
RootEncoder/Sources/RootEncoder/encoder/utils/TranslateTo.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| // | ||
| // File.swift | ||
| // | ||
| // | ||
| // Created by Pedro on 9/8/24. | ||
| // | ||
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| import Foundation | ||
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| public enum TranslateTo { | ||
| case CENTER | ||
| case LEFT | ||
| case RIGHT | ||
| case TOP | ||
| case BOTTOM | ||
| case TOP_LEFT | ||
| case TOP_RIGHT | ||
| case BOTTOM_LEFT | ||
| case BOTTOM_RIGHT | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| // | ||
| // FilterUIView.swift | ||
| // app | ||
| // | ||
| // Created by Pedro on 20/9/23. | ||
| // Copyright © 2023 pedroSG94. All rights reserved. | ||
| // | ||
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| import SwiftUI | ||
| import RootEncoder | ||
| import UIKit | ||
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| struct FilterUIView: UIViewRepresentable { | ||
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| let view = Bundle.main.loadNibNamed("ViewFilter", owner: nil, options: nil)![0] as! UIView | ||
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| public func makeUIView(context: Context) -> UIView { | ||
| view.frame = .zero | ||
| return view | ||
| } | ||
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| public func updateUIView(_ uiView: UIView, context: Context) { | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="32700.99.1234" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES"> | ||
| <device id="retina6_12" orientation="portrait" appearance="light"/> | ||
| <dependencies> | ||
| <deployment identifier="iOS"/> | ||
| <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="22685"/> | ||
| <capability name="Safe area layout guides" minToolsVersion="9.0"/> | ||
| <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/> | ||
| </dependencies> | ||
| <objects> | ||
| <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/> | ||
| <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/> | ||
| <view contentMode="scaleToFill" id="iN0-l3-epB"> | ||
| <rect key="frame" x="0.0" y="0.0" width="393" height="852"/> | ||
| <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/> | ||
| <subviews> | ||
| <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="This is a test text" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="PAI-hx-VNq"> | ||
| <rect key="frame" x="132" y="416" width="129" height="20.333333333333314"/> | ||
| <fontDescription key="fontDescription" type="system" pointSize="17"/> | ||
| <nil key="textColor"/> | ||
| <nil key="highlightedColor"/> | ||
| </label> | ||
| </subviews> | ||
| <viewLayoutGuide key="safeArea" id="vUN-kp-3ea"/> | ||
| <constraints> | ||
| <constraint firstItem="PAI-hx-VNq" firstAttribute="centerX" secondItem="iN0-l3-epB" secondAttribute="centerX" id="TUr-zJ-SjC"/> | ||
| <constraint firstItem="PAI-hx-VNq" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="centerY" id="uHb-UZ-hgh"/> | ||
| </constraints> | ||
| <point key="canvasLocation" x="90.140845070422543" y="-11.450381679389313"/> | ||
| </view> | ||
| </objects> | ||
| </document> |