how in the world do i rotate text in ms paint

libpaperang/Main/Paperang.cs

@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 using liblogtiny;
 using libpaperang.Helpers;
 using libpaperang.Interfaces;
@@ -49,26 +50,17 @@ namespace libpaperang.Main {
 			Feed(0);
 			NoOp();
 		}
-		public bool HandshakeAsync() {
+		public async Task HandshakeAsync() => await Task.Run(() => Handshake());
-			Handshake();
-			return true;
-		}
 		public void WriteBytes(byte[] packet) {
 			logger?.Trace($"Writing packet with length {packet.Length} to printer");
 			_ = Printer.WriteBytes(packet);
 		}
-		public bool WriteBytesAsync(byte[] packet) {
+		public async Task WriteBytesAsync(byte[] packet) => await Task.Run(() => WriteBytes(packet));
-			WriteBytes(packet);
-			return true;
-		}
 		public void WriteBytes(byte[] packet, int ms) {
 			logger?.Trace($"Writing packet with length {packet.Length} to printer with delay of {ms}ms");
 			_ = Printer.WriteBytes(packet, ms);
 		}
-		public bool WriteBytesAsync(byte[] packet, int ms) {
+		public async Task WriteBytesAsync(byte[] packet, int ms) => await Task.Run(() => WriteBytes(packet, ms));
-			WriteBytes(packet, ms);
-			return true;
-		}
 		public void Feed(uint ms) {
 			logger?.Trace($"Feeding for {ms}ms");
 			WriteBytes(
@@ -76,21 +68,16 @@ namespace libpaperang.Main {
 					Transform.Arg(BaseTypes.Operations.LineFeed, ms),
 				Crc));
 		}
-		public bool FeedAsync(uint ms) {
+		public async Task FeedAsync(uint ms) => await Task.Run(() => Feed(ms));
-			Feed(ms);
-			return true;
-		}
 		public void NoOp() => WriteBytes(
 			Transform.Packet(BaseTypes.Operations.NoOp, new byte[] { 0, 0 }, Crc));
+		public async Task NoOpAsync() => await Task.Run(() => NoOp());
 		public void Poll() {
 			logger?.Trace("Polling attached printer");
 			Feed(0);
 			NoOp();
 		}
-		public bool PollAsync() {
+		public async Task PollAsync() => await Task.Run(() => Poll());
-			Poll();
-			return true;
-		}
 		public void PrintBytes(byte[] data, bool autofeed = true) {
 			logger?.Trace($"PrintBytes() invoked with data length of {data.Length}");
 			List<byte[]> segments = data
@@ -108,9 +95,6 @@ namespace libpaperang.Main {
 			if(autofeed)
 				Feed(185);
 		}
-		public bool PrintBytesAsync(byte[] data, bool autofeed=true) {
+		public async Task PrintBytesAsync(byte[] data, bool autofeed = true) => await Task.Run(() => PrintBytes(data, autofeed));
-			PrintBytes(data, autofeed);
-			return true;
-		}
 	}
 }

paperangapp/MainWindow.xaml

@@ -47,7 +47,7 @@
 		</GroupBox>
 		<Expander x:Name="expander" Header="Log" Margin="2,2,2,2" Grid.Row="1">
 			<Grid>
-				<TextBox x:Name="tbLog" Margin="2,2,2,23" MaxHeight="280" TextWrapping="Wrap" AllowDrop="False" IsReadOnly="True" IsUndoEnabled="False" VerticalScrollBarVisibility="Auto" ScrollViewer.CanContentScroll="True" Text="{Binding Path=LogBuffer}" UseLayoutRounding="True"/>
+				<TextBox x:Name="tbLog" Margin="2,2,2,23" MaxHeight="220" TextWrapping="Wrap" AllowDrop="False" IsReadOnly="True" IsUndoEnabled="False" VerticalScrollBarVisibility="Auto" ScrollViewer.CanContentScroll="True" Text="{Binding Path=LogBuffer}" UseLayoutRounding="True"/>
 				<Button x:Name="btClearLog" Content="Clear Log" MinWidth="75" Margin="2,0,2,0" Click="BtClearLog_Click" Height="21" VerticalAlignment="Bottom"/>
 			</Grid>
 		</Expander>

paperangapp/MainWindow.xaml.cs

@@ -13,6 +13,7 @@ using libpaperang.Main;
 
 namespace paperangapp {
 	public partial class MainWindow : Window {
+		//TODO memory optimisation - this thing is a hongery boi
 		private ILogTiny logger;
 		private BaseTypes.Connection mmjcx=BaseTypes.Connection.USB;
 		private BaseTypes.Model mmjmd=BaseTypes.Model.None;
@@ -114,8 +115,7 @@ namespace paperangapp {
 			} catch(Exception) {
 			} finally { }
 		}
-		private async void BtFeed_Click(object sender, RoutedEventArgs e) => await FeedAsync((uint)slFeedTime.Value);
+		private async void BtFeed_Click(object sender, RoutedEventArgs e) => await mmj.FeedAsync((uint)slFeedTime.Value);
-		private async Task FeedAsync(uint time) => await Task.Run(() => mmj.Feed(time));
 		private async void BtPrintText_Click(object sender, RoutedEventArgs e) {
 			if(!(txInput.Text.Length > 0)) {
 				logger.Warn("PrintText event but nothing to print.");
@@ -125,17 +125,20 @@ namespace paperangapp {
 		}
 		private async Task PrintTextAsync(string text, string font, int szf) {
 			Font fnt=new Font(font, szf);
-			Graphics g=Graphics.FromImage(new Bitmap(mmj.Printer.LineWidth*8, 1));
+			TextFormatFlags tf=
-			System.Drawing.Size szText = TextRenderer.MeasureText(g, text, fnt);
+				TextFormatFlags.Left |
-			//SizeF szText=g.MeasureString(txInput.Text, fnt);
+				TextFormatFlags.NoPadding |
-			g.Dispose();
+				TextFormatFlags.NoPrefix |
-			Bitmap b=new Bitmap(mmj.Printer.LineWidth*8, (int)szText.Height);
+				TextFormatFlags.Top |
-			g = Graphics.FromImage(b);
+				TextFormatFlags.WordBreak;
+			System.Drawing.Size szText = TextRenderer.MeasureText(text, fnt, new System.Drawing.Size(mmj.Printer.LineWidth*8,10000), tf);
+			Bitmap b=new Bitmap(mmj.Printer.LineWidth*8, szText.Height);
+			Graphics g = Graphics.FromImage(b);
 			g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
 			g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixelGridFit;
 			g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
 			g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
-			TextRenderer.DrawText(g, text, fnt, new System.Drawing.Point(0, 0), Color.Black);
+			TextRenderer.DrawText(g, text, fnt, new System.Drawing.Point(0, 0), Color.Black, tf);
 			g.Flush();
 			await Task.Run(() => PrintBitmap(b));
 			g.Dispose();
@@ -194,7 +197,7 @@ namespace paperangapp {
 				}
 			}
 			logger.Debug($"Have {img.Length} bytes of print data ({mmj.Printer.LineWidth * 8}x{hSzImg}@1bpp)");
-			await Task.Run(() => mmj.PrintBytes(iimg, false));
+			await mmj.PrintBytesAsync(iimg, false);
 		}
 		#region GDIBitmap1bpp
 		static Bitmap CopyToBpp(Bitmap b) {

paperangapp/paperangapp.csproj

@@ -28,7 +28,7 @@
     <InstallUrl>https://swdist.ext.maff.scot/paperang/</InstallUrl>
     <CreateWebPageOnPublish>true</CreateWebPageOnPublish>
     <WebPage>publish.htm</WebPage>
-    <ApplicationRevision>4</ApplicationRevision>
+    <ApplicationRevision>5</ApplicationRevision>
     <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <PublishWizardCompleted>true</PublishWizardCompleted>