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lostmsulostmsu
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add C# or NOT sample (#3)
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+728
-9
lines changed

‎CSharpOrNot/App.xaml‎

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<Application xmlns="https://github.com/avaloniaui"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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x:Class="Gradient.Samples.App">
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<Application.Styles>
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<StyleInclude Source="avares://Avalonia.Themes.Default/DefaultTheme.xaml"/>
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<StyleInclude Source="avares://Avalonia.Themes.Default/Accents/BaseLight.xaml"/>
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</Application.Styles>
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</Application>

‎CSharpOrNot/App.xaml.cs‎

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namespace Gradient.Samples {
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using Avalonia;
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using Avalonia.Markup.Xaml;
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public class App : Application {
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public override void Initialize() {
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AvaloniaXamlLoader.Load(this);
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}
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}
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}

‎CSharpOrNot/BitmapTools.cs‎

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namespace Gradient.Samples {
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using System;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Runtime.InteropServices;
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static class BitmapTools {
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public static void ToBitmap(byte[] brightness, Bitmap target) {
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if (target.PixelFormat != PixelFormat.Format8bppIndexed)
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throw new NotSupportedException("The only supported pixel format is " + PixelFormat.Format8bppIndexed);
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var bitmapData = target.LockBits(new Rectangle(new Point(), target.Size),
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ImageLockMode.WriteOnly,
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PixelFormat.Format8bppIndexed);
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try {
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Marshal.Copy(source: brightness,
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startIndex: 0, length: bitmapData.Width * bitmapData.Height,
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destination: bitmapData.Scan0);
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} finally {
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target.UnlockBits(bitmapData);
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}
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}
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// default .NET upscaling tries to interpolate, which we avoid here
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public static void Upscale(Bitmap source, Bitmap target) {
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if (target.Width % source.Width != 0 || target.Height % source.Height != 0)
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throw new ArgumentException();
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int scaleY = target.Height / source.Height;
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int scaleX = target.Width / source.Width;
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var sourceData = source.LockBits(new Rectangle(new Point(), source.Size),
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ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
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try {
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var targetData = target.LockBits(new Rectangle(new Point(), target.Size),
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ImageLockMode.WriteOnly,
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PixelFormat.Format8bppIndexed);
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try {
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for (int sourceY = 0; sourceY < sourceData.Height; sourceY++)
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for (int sourceX = 0; sourceX < sourceData.Width; sourceX++) {
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byte brightness = Marshal.ReadByte(sourceData.Scan0,
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sourceY * sourceData.Width + sourceX);
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for (int targetY = sourceY * scaleY;
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targetY < (sourceY + 1) * scaleY;
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targetY++)
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for (int targetX = sourceX * scaleX;
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targetX < (sourceX + 1) * scaleX;
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targetX++)
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Marshal.WriteByte(targetData.Scan0,
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targetY * targetData.Width + targetX,
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brightness);
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}
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} finally {
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target.UnlockBits(targetData);
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}
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} finally {
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source.UnlockBits(sourceData);
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}
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}
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public static void SetGreyscalePalette(Bitmap bitmap) {
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ColorPalette pal = bitmap.Palette;
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for (int i = 0; i < 256; i++) {
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pal.Entries[i] = Color.FromArgb(255, i, i, i);
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}
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bitmap.Palette = pal;
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}
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}
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}

‎CSharpOrNot/CSharpOrNot.cs‎

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namespace Gradient.Samples {
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using System;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Text;
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using numpy;
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using tensorflow;
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using tensorflow.keras;
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using tensorflow.keras.layers;
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static class CSharpOrNot
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{
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public static Model CreateModel(int classCount) {
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var activation = tf.keras.activations.elu_fn;
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const int filterCount = 8;
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int[] resNetFilters = { filterCount, filterCount, filterCount };
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return new Sequential(new Layer[] {
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new Dropout(rate: 0.05),
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Conv2D.NewDyn(filters: filterCount, kernel_size: 5, padding: "same"),
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Activation.NewDyn(activation),
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new MaxPool2D(pool_size: 2),
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new ResNetBlock(kernelSize: 3, filters: resNetFilters, activation: activation),
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new ResNetBlock(kernelSize: 3, filters: resNetFilters, activation: activation),
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new ResNetBlock(kernelSize: 3, filters: resNetFilters, activation: activation),
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new ResNetBlock(kernelSize: 3, filters: resNetFilters, activation: activation),
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new MaxPool2D(),
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new ResNetBlock(kernelSize: 3, filters: resNetFilters, activation: activation),
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new ResNetBlock(kernelSize: 3, filters: resNetFilters, activation: activation),
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new MaxPool2D(),
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new ResNetBlock(kernelSize: 3, filters: resNetFilters, activation: activation),
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new ResNetBlock(kernelSize: 3, filters: resNetFilters, activation: activation),
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new AvgPool2D(pool_size: 2),
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new Flatten(),
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new Dense(units: classCount, activation: tf.nn.softmax_fn),
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});
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}
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public const int Width = 64, Height = 64;
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public static readonly Size Size = new Size(Width, Height);
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// being opinionated here
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const string Tab = " ";
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const char Whitespace = '\u00FF';
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public static readonly string[] IncludeExtensions = {
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".cs",
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".py",
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".h",
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".cc",
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".c",
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".tcl",
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".java",
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".sh",
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};
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public static ndarray<float> GreyscaleImageBytesToNumPy(byte[] inputs, int imageCount, int width, int height)
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=> (dynamic)inputs.Select(b => (float)b).ToArray().NumPyCopy()
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.reshape(new[] { imageCount, height, width, 1 }) / 255.0f;
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public static string[] ReadCode(string filePath)
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=> File.ReadAllLines(filePath)
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.Select(line => line.Replace("\t", Tab))
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.Select(line => {
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var result = new StringBuilder(line.Length);
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// replace non-ASCII characters with underscore
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// also make all whitespace stand out
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foreach (char c in line) {
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result.Append(
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c <= 32 ? Whitespace
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: c >= 255 ? '_'
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: c);
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}
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return result.ToString();
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})
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.ToArray();
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/// <summary>
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/// Copies a rectangular block of text into a byte array
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/// </summary>
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public static void RenderTextBlockToGreyscaleBytes(string[] lines,
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Point startingPoint, Size size,
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byte[] destination)
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{
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if (size.IsEmpty) throw new ArgumentException();
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if (destination.Length < size.Width * size.Height) throw new ArgumentException();
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if (startingPoint.Y == lines.Length) {
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Array.Fill(destination, (byte)Whitespace);
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return;
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}
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for (int y = 0; y < size.Height; y++) {
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int sourceY = y + startingPoint.Y;
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int destOffset = y * size.Width;
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if (sourceY >= lines.Length) {
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Array.Fill(destination, (byte)255,
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startIndex: destOffset,
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count: size.Width*size.Height - destOffset);
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return;
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}
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for (int x = 0; x < size.Width; x++) {
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int sourceX = x + startingPoint.X;
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if (sourceX >= lines[sourceY].Length) {
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Array.Fill(destination, (byte)255,
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startIndex: destOffset,
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count: size.Width - x);
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break;
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}
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destination[destOffset] = (byte)lines[sourceY][sourceX];
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destOffset++;
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}
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}
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}
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}
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}

‎CSharpOrNot/CSharpOrNot.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFrameworks>netcoreapp3.0</TargetFrameworks>
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<ApplicationIcon />
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<StartupObject />
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<RootNamespace>Gradient.Samples</RootNamespace>
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</PropertyGroup>
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<ItemGroup>
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<Compile Update="**\*.xaml.cs">
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<DependentUpon>%(Filename)</DependentUpon>
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</Compile>
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<AvaloniaResource Include="**\*.xaml">
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<SubType>Designer</SubType>
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</AvaloniaResource>
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Avalonia" Version="0.8.0" />
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<PackageReference Include="Avalonia.Desktop" Version="0.8.0" />
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<PackageReference Include="ManyConsole.CommandLineUtils" Version="1.0.3-alpha" />
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<PackageReference Include="morelinq" Version="3.2.0" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\ResNetBlock\ResNetBlock.csproj" />
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</ItemGroup>
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</Project>

‎CSharpOrNot/CSharpOrNotProgram.cs‎

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namespace Gradient.Samples {
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using System;
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using System.Linq;
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using Avalonia;
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using Avalonia.Logging.Serilog;
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using Gradient;
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using ManyConsole.CommandLineUtils;
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using tensorflow;
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using tensorflow.core.protobuf.config_pb2;
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static class CSharpOrNotProgram {
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public static int Main(string[] args) {
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GradientSetup.OptInToUsageDataCollection();
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GradientSetup.UseEnvironmentFromVariable();
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dynamic config = config_pb2.ConfigProto();
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config.gpu_options.allow_growth = true;
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tf.keras.backend.set_session(Session.NewDyn(config: config));
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return ConsoleCommandDispatcher.DispatchCommand(
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ConsoleCommandDispatcher.FindCommandsInSameAssemblyAs(typeof(CSharpOrNotProgram)),
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args, Console.Out);
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}
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// Avalonia configuration, don't remove; also used by visual designer.
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public static AppBuilder BuildAvaloniaApp()
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=> AppBuilder.Configure<App>()
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.UsePlatformDetect()
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.LogToDebug();
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}
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}

‎CSharpOrNot/CSharpOrNotWindow.xaml‎

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<Window xmlns="https://github.com/avaloniaui"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
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x:Class="Gradient.Samples.CSharpOrNotWindow"
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Title="CSharpOrNot">
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<Grid RowDefinitions="Auto,*,Auto">
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<TextBlock Name="Language" FontSize="24" HorizontalAlignment="Center"/>
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<Grid ColumnDefinitions="3*,2*,2*" Grid.Row="1">
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<TextBox Name="CodeDisplay"
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FontFamily="Consolas,Monospace"
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AcceptsReturn="True"/>
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<Image Name="CodeImage" Grid.Column="1" Stretch="Uniform"/>
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<TextBlock Name="CodeWindow" Grid.Column="2"
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FontFamily="Consolas,Monospace"/>
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</Grid>
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<Button Name="OpenFileButton" Grid.Row="2" Click="OpenFileClick">Open File</Button>
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</Grid>
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</Window>

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