otmb

import SwiftUI
import PDFKit

let pdfDocumentOptions = [
    kCGPDFContextCreator: "@mbotsu",
    kCGPDFContextAuthor: "@mbotsu",
    kCGPDFContextTitle: "Create and combine PDFs with SwiftUI layouts",
    kCGPDFContextSubject: "Give up ImageRenderer and create PDFs with UIGraphicsPDFRenderer",
] as [PDFDocumentWriteOption : Any]

otmb

import SwiftUI

struct ContentView: View {
  @State var pdfUrl: URL?
  var body: some View {
    VStack {
      if let pdfUrl = pdfUrl {
        PreviewView(url: pdfUrl)
      }
    }

otmb

// https://github.com/opencv/opencv/blob/master/modules/imgcodecs/src/ios_conversions.mm
// https://github.com/opencv/opencv/blob/master/modules/imgcodecs/src/apple_conversions.mm
func MatToCGImage(image:Mat) -> CGImage? {
  let data = Data(bytes: image.dataPointer(), count: image.step1() * Int(image.rows()))
  let colorSpace = image.elemSize() == 1 ? CGColorSpaceCreateDeviceGray() : CGColorSpaceCreateDeviceRGB()

  let provider = CGDataProvider(data: data as CFData);
  let alpha = image.channels() == 4;
  let bitmapInfo: CGBitmapInfo = CGBitmapInfo(rawValue: (alpha ? CGImageAlphaInfo.last : CGImageAlphaInfo.none).rawValue | CGBitmapInfo.byteOrderDefault.rawValue)

otmb

import SwiftUI
import WebKit

enum WebViewError: Error {
    case contentConversion(String)
    case emptyFileName
    case inivalidFilePath
    
    var message: String {
        switch self {

otmb

import sys
import cv2
import numpy as np
import tensorflow as tf

def preprocess_input(image_name, height, width):
    src = cv2.imread(image_name, cv2.IMREAD_GRAYSCALE)
    ratio = float(src.shape[1]) / float(src.shape[0])
    tw = int(height * ratio)
    rsz = cv2.resize(src, (tw, height), interpolation=cv2.INTER_AREA).astype(np.float32)

otmb

import UIKit

extension OutputStream {
    func write(data: Data) -> Int {
        return data.withUnsafeBytes {
          write($0.bindMemory(to: UInt8.self).baseAddress!, maxLength: data.count)
        }
    }
    
    var data: Data? {

otmb

Web Pointcloud

Installation

• threejs

Build zstd(wasm)

References

https://threejs.org/examples/?q=point#webgl_buffergeometry_points

otmb

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.XR.iOS;

public class MyGenerateImageAnchor : MonoBehaviour {


	[SerializeField]
	private ARReferenceImage referenceImage;

otmb

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

// https://www.csharpcodi.com/vs2/1607/MBINCompiler/MBINCompiler/HalfHelper.cs/

public static class HalfHelper
{
	private static uint[] mantissaTable = GenerateMantissaTable();
	private static uint[] exponentTable = GenerateExponentTable();

otmb

using UnityEngine;
using Windows.Kinect;
using System.Runtime.InteropServices;
using System;
using System.Linq;
using UnityEngine.Rendering;

[RequireComponent(typeof(MeshRenderer))]
[RequireComponent(typeof(MeshFilter))]
public class KinectView : MonoBehaviour {