Amzd

import Combine
import PublishedObject // https://github.com/Amzd/PublishedObject
import SwiftUI

/// A property wrapper type that instantiates an observable object.
@propertyWrapper
public struct StateObject<ObjectType: ObservableObject>: DynamicProperty
where ObjectType.ObjectWillChangePublisher == ObservableObjectPublisher {
    
    /// Wrapper that helps with initialising without actually having an ObservableObject yet

Amzd

import SwiftUI

@available(iOS 14.0, *)
public struct ColorPickerWithoutLabel: UIViewRepresentable {
    @Binding var selection: Color
    var supportsAlpha: Bool = true
    
    public init(selection: Binding<Color>, supportsAlpha: Bool = true) {
        self._selection = selection
        self.supportsAlpha = supportsAlpha

thecodewarrior

wtsnz

import SwiftUI

struct ContentView: View {

    @State var now = Date()
    @State var showWindow = false
    @State var text: String = ""

    let timer = Timer.publish(every: 1, on: .current, in: .common).autoconnect()

jemmons

// See: https://forums.developer.apple.com/thread/65997

MIDIInputPortCreateWithBlock(midiClient, "Instrument" as CFString, &inPort, {  
        (unsafePacketList: UnsafePointer<MIDIPacketList>, pointer: UnsafeMutableRawPointer?) in  
  let packetList = unsafePacketList.pointee  
  if packetList.numPackets == 1 {  
    let packet = packetList.packet  
    if packet.length == 3 && packet.data.0 == 144 {  
      /* Note-On */  
      let note = packet.data.1  

allenhumphreys

CVPixelBufferRef createCroppedPixelBufferBiPlanar(CVPixelBufferRef srcPixelBuffer, CGRect croppingRect, CGSize scaleSize) {

    OSType inputPixelFormat = CVPixelBufferGetPixelFormatType(srcPixelBuffer);
    assert(inputPixelFormat == kCVPixelFormatType_420YpCbCr8BiPlanarFullRange
           || inputPixelFormat == kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange);

    size_t inputWidth = CVPixelBufferGetWidth(srcPixelBuffer);
    size_t inputHeight = CVPixelBufferGetHeight(srcPixelBuffer);

    assert(CGRectGetMinX(croppingRect) >= 0);