okay images are now dithered in the absolute messiest way

libdither/Algorithms/Base.cs

@@ -1,13 +0,0 @@
-using System.Drawing;
-
-namespace libdither.Algorithms {
-	internal abstract class Base : IDither {
-		private uint bwThresh;
-		public uint BlackPoint { get => bwThresh; set => bwThresh = value; }
-		//Do nothing for the dither method because it's a dummy
-		public abstract Bitmap Dither(Bitmap input);
-		internal static int Clamp(int input) => Clamp(input, 0, 255);
-		internal static int Clamp(int input, int min, int max) => (input < min) ? min : (input > max) ? max : input;
-
-	}
-}

libdither/Algorithms/Ordered.cs

@@ -1,23 +0,0 @@
-using System.Drawing;
-
-namespace libdither.Algorithms {
-	internal abstract class Ordered : Base {
-		private readonly byte[,] matrix;
-		private readonly byte hSzMx;
-		private readonly byte wSzMx;
-		internal protected Ordered(byte[,] input) {
-			hSzMx = (byte)(input.GetUpperBound(1) + 1);
-			wSzMx = (byte)(input.GetUpperBound(0) + 1);
-			int maxMx=wSzMx*hSzMx;
-			int scMx=255/maxMx;
-			matrix = new byte[hSzMx, wSzMx];
-			for(int x = 0; x < wSzMx; x++)
-				for(int y = 0; y < hSzMx; y++)
-					matrix[x, y] = (byte)Clamp(input[x, y] * scMx);
-		}
-		public override Bitmap Dither(Bitmap input) {
-			int rC; int cC; byte tC;
-			cC
-		}
-	}
-}

libdither/IDither.cs

@@ -1,8 +0,0 @@
-using System.Drawing;
-
-namespace libdither {
-	public interface IDither {
-		uint BlackPoint { get; set; }
-		Bitmap Dither(Bitmap input);
-	}
-}

libdither/ImageTransforms.cs

@@ -1,27 +0,0 @@
-using System.Drawing;
-using System.Drawing.Imaging;
-using System.IO;
-
-namespace libdither {
-	public static class ImageTransforms {
-		public static Bitmap ConvertTo1Bit(Bitmap input) => input;
-		public static byte[] Convert1BitToByteArray(Bitmap input) {
-			int hSz=input.Height; int wSz=input.Width;
-			byte[] intermed;
-			using(MemoryStream ms = new MemoryStream()) {
-				input.Save(ms, ImageFormat.Bmp);
-				input.Dispose();
-				intermed = ms.ToArray();
-			}
-			byte[] output=new byte[hSz*wSz];
-			int hdrOffset=intermed.Length-output.Length;
-			for(int h = 0; h < hSz; h++) {
-				for(int w = 0; w < wSz; w++) {
-					output[(wSz * (hSz - 1 - h)) + (wSz - 1 - w)] =
-						(byte)~intermed[hdrOffset + (wSz * h) + (wSz - 1 - w)];
-				}
-			}
-			return output;
-		}
-	}
-}

libdither/libdither.csproj

@@ -1,11 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="System.Drawing.Common" Version="4.6.0" />
-  </ItemGroup>
-
-</Project>

libpaperang.sln

@@ -10,7 +10,7 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "paperangapp", "paperangapp\
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "libpaperang", "libpaperang\libpaperang.csproj", "{A429CCEB-9331-4CD9-B3C0-A8F736732DEA}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "liblogtiny", "liblogtiny\liblogtiny.csproj", "{B7D242A8-F9DE-450B-9C87-5519CA782193}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "liblogtiny", "liblogtiny\liblogtiny.csproj", "{B7D242A8-F9DE-450B-9C87-5519CA782193}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

paperangapp/MainWindow.xaml.cs

@@ -17,9 +17,34 @@ namespace paperangapp {
 		private ILogTiny logger;
 		private BaseTypes.Connection mmjcx=BaseTypes.Connection.USB;
 		private BaseTypes.Model mmjmd=BaseTypes.Model.None;
-		private IPrinter prtr=new USB(BaseTypes.Model.None); // T1 used as a generic, prtr used soley for the PrinterAvailable attr. all paperang devices tested report the exact same USB identifiers.
+		private IPrinter prtr=new USB(BaseTypes.Model.None);
 		private Paperang mmj=null;
 		private System.Timers.Timer usbpoll;
+		byte[,] bayer2 = {
+			{ 0, 2 },
+			{ 3, 1 }
+		};
+		byte[,] bayer3 = {
+			{ 0, 7, 3 },
+			{ 6, 5, 2 },
+			{ 4, 1, 8 }
+		};
+		byte[,] bayer4 = {
+			{ 0,  8,  2, 10 },
+			{ 12, 4, 14,  6 },
+			{ 3, 11,  1,  9 },
+			{ 15, 7, 13,  5 }
+		};
+		byte[,] bayer8 = {
+			{  0, 48, 12, 60,  3, 51, 15, 63 },
+			{ 32, 16, 44, 28, 35, 19, 47, 31 },
+			{  8, 56,  4, 52, 11, 59,  7, 55 },
+			{ 40, 24, 36, 20, 43, 27, 39, 23 },
+			{  2, 50, 14, 62,  1, 49, 13, 61 },
+			{ 34, 18, 46, 30, 33, 17, 45, 29 },
+			{ 10, 58,  6, 54,  9, 57,  5, 53 },
+			{ 42, 26, 38, 22, 41, 25, 37, 21 }
+		};
 		//private uint dThresh=127;
 		private enum AppState {
 			UnInitNoDev,
@@ -28,6 +53,7 @@ namespace paperangapp {
 		};
 		private AppState state=AppState.UnInitDev;
 		// TODO: is it out of scope for this library to provide functionality for printing bitmap data?
+		private byte Clamp(int v) => Convert.ToByte(v < 0 ? 0 : v > 255 ? 255 : v);
 		public MainWindow() {
 			InitializeComponent();
 			logger = new LUITextbox();
@@ -39,6 +65,46 @@ namespace paperangapp {
 			usbpoll.Elapsed += EvtUsbPoll;
 			usbpoll.Start();
 			logger.Verbose("USB presence interval event started");
+			byte _szW; byte _szH; int _szM; int _sc;
+			//bayer2
+			_szW = (byte)(bayer2.GetUpperBound(1) + 1);
+			_szH = (byte)(bayer2.GetUpperBound(0) + 1);
+			_szM = _szW * _szH;
+			_sc = 255 / _szM;
+			for(int mx = 0; mx < _szW; mx++) {
+				for(int my = 0; my < _szH; my++)
+					bayer2[mx, my] = Clamp(bayer2[mx, my] * _sc);
+			}
+
+			//bayer3
+			_szW = (byte)(bayer3.GetUpperBound(1) + 1);
+			_szH = (byte)(bayer3.GetUpperBound(0) + 1);
+			_szM = _szW * _szH;
+			_sc = 255 / _szM;
+			for(int mx = 0; mx < _szW; mx++) {
+				for(int my = 0; my < _szH; my++)
+					bayer3[mx, my] = Clamp(bayer3[mx, my] * _sc);
+			}
+
+			//bayer4
+			_szW = (byte)(bayer4.GetUpperBound(1) + 1);
+			_szH = (byte)(bayer4.GetUpperBound(0) + 1);
+			_szM = _szW * _szH;
+			_sc = 255 / _szM;
+			for(int mx = 0; mx < _szW; mx++) {
+				for(int my = 0; my < _szH; my++)
+					bayer4[mx, my] = Clamp(bayer4[mx, my] * _sc);
+			}
+
+			//bayer8
+			_szW = (byte)(bayer8.GetUpperBound(1) + 1);
+			_szH = (byte)(bayer8.GetUpperBound(0) + 1);
+			_szM = _szW * _szH;
+			_sc = 255 / _szM;
+			for(int mx = 0; mx < _szW; mx++) {
+				for(int my = 0; my < _szH; my++)
+					bayer8[mx, my] = Clamp(bayer8[mx, my] * _sc);
+			}
 		}
 
 		private void EvtUsbPoll(object sender, ElapsedEventArgs e) => _ = Dispatcher.BeginInvoke(new invDgtUsbPoll(DgtUsbPoll));
@@ -140,7 +206,7 @@ namespace paperangapp {
 			g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
 			TextRenderer.DrawText(g, text, fnt, new System.Drawing.Point(0, 0), Color.Black, tf);
 			g.Flush();
-			await Task.Run(() => PrintBitmap(b));
+			await Task.Run(() => PrintBitmap(b, false));
 			g.Dispose();
 			b.Dispose();
 		}
@@ -166,7 +232,7 @@ namespace paperangapp {
 				logger.Debug($"Loaded image '{fn}'");
 				logger.Debug("Disposed of dialog");
 				Bitmap bimg=new Bitmap(_, mmj.Printer.LineWidth*8,
-				(int)(mmj.Printer.LineWidth*8*(double)((double)_.Height/(double)_.Width)));
+				(int)(mmj.Printer.LineWidth*8*((double)_.Height/_.Width)));
 				logger.Debug("Loaded image as Bitmap");
 				_.Dispose();
 				logger.Debug("Disposed of Image");
@@ -175,7 +241,18 @@ namespace paperangapp {
 			await Task.Run(() => PrintBitmap(bmg));
 			bmg.Dispose();
 		}
-		private async Task PrintBitmap(Bitmap bimg) {
+		private async Task PrintBitmap(Bitmap bimg, bool dither = true) {
+			if(dither) {
+				logger.Trace("Dithering input bitmap");
+				bimg = AForge.Imaging.Filters.Grayscale.CommonAlgorithms.Y.Apply(bimg);
+				AForge.Imaging.Filters.OrderedDithering f = new
+				AForge.Imaging.Filters.OrderedDithering(bayer4);
+				//f.FormatTranslations.Clear();
+				//f.FormatTranslations[PixelFormat.Format1bppIndexed] = PixelFormat.Format1bppIndexed;
+				bimg = f.Apply(bimg);
+				//bimg = new Accord.Imaging.Filters.BayerDithering().Apply(bimg);
+				logger.Debug("Dithered Bitmap");
+			}
 			bimg = CopyToBpp(bimg);
 			logger.Debug("Converted Bitmap to 1-bit");
 			int hSzImg=bimg.Height;

paperangapp/packages.config

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="AForge" version="2.2.5" targetFramework="net472" />
+  <package id="AForge.Imaging" version="2.2.5" targetFramework="net472" />
+  <package id="AForge.Math" version="2.2.5" targetFramework="net472" />
   <package id="LibUsbDotNet" version="2.2.29" targetFramework="net472" />
   <package id="System.Collections" version="4.3.0" targetFramework="net472" />
   <package id="System.Collections.Specialized" version="4.3.0" targetFramework="net472" />

paperangapp/paperangapp.csproj

@@ -33,6 +33,8 @@
     <UseApplicationTrust>false</UseApplicationTrust>
     <PublishWizardCompleted>true</PublishWizardCompleted>
     <BootstrapperEnabled>true</BootstrapperEnabled>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -70,6 +72,15 @@
     <SignManifests>false</SignManifests>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="AForge, Version=2.2.5.0, Culture=neutral, PublicKeyToken=c1db6ff4eaa06aeb, processorArchitecture=MSIL">
+      <HintPath>..\packages\AForge.2.2.5\lib\AForge.dll</HintPath>
+    </Reference>
+    <Reference Include="AForge.Imaging, Version=2.2.5.0, Culture=neutral, PublicKeyToken=ba8ddea9676ca48b, processorArchitecture=MSIL">
+      <HintPath>..\packages\AForge.Imaging.2.2.5\lib\AForge.Imaging.dll</HintPath>
+    </Reference>
+    <Reference Include="AForge.Math, Version=2.2.5.0, Culture=neutral, PublicKeyToken=abba2e25397ee8c9, processorArchitecture=MSIL">
+      <HintPath>..\packages\AForge.Math.2.2.5\lib\AForge.Math.dll</HintPath>
+    </Reference>
     <Reference Include="LibUsbDotNet.LibUsbDotNet, Version=2.2.0.0, Culture=neutral, PublicKeyToken=c677239abe1e02a9, processorArchitecture=MSIL">
       <HintPath>..\packages\LibUsbDotNet.2.2.29\lib\net45\LibUsbDotNet.LibUsbDotNet.dll</HintPath>
     </Reference>