From d3b95505a7d9221b96a54ea9d8b33be078c6c75a Mon Sep 17 00:00:00 2001
From: Maff <hi@maff.scot>
Date: Mon, 9 Sep 2019 00:51:36 +0100
Subject: [PATCH] i'm dying how do you convert a png image to a 1bpp bitmap

---
 sharperang/MainWindow.xaml    |  8 +++--
 sharperang/MainWindow.xaml.cs | 62 +++++++++++++++++++++++++++++++----
 2 files changed, 61 insertions(+), 9 deletions(-)

diff --git a/sharperang/MainWindow.xaml b/sharperang/MainWindow.xaml
index a7c1f99..0fd4586 100644
--- a/sharperang/MainWindow.xaml
+++ b/sharperang/MainWindow.xaml
@@ -14,9 +14,11 @@
 		</Grid.ColumnDefinitions>
 		<GroupBox Header="Paperang-Sharp Test Library" Margin="10,10,9.6,0" Grid.ColumnSpan="3" Height="217" VerticalAlignment="Top">
 			<Grid Margin="10,10,10,10">
-				<Button x:Name="btClearLog" Content="Clear Log" HorizontalAlignment="Left" Width="75" Margin="0,2,0,152.2" Click="BtClearLog_Click"/>
-				<Button x:Name="btInitUSB" Content="Initialise USB" HorizontalAlignment="Left" VerticalAlignment="Top" Width="75" Margin="0,23,0,0" IsDefault="True" Height="21" Click="BtInitUSB_Click"/>
-				<Button x:Name="btTestLine" Content="Print test" HorizontalAlignment="Left" VerticalAlignment="Top" Width="75" Margin="0,44,0,0" IsDefault="True" Height="21" Click="BtTestLine_Click"/>
+				<Button x:Name="btClearLog" Content="Clear Log" HorizontalAlignment="Left" MinWidth="75" Margin="0,2,0,152.2" Click="BtClearLog_Click"/>
+				<Button x:Name="btInitUSB" Content="Initialise USB" HorizontalAlignment="Left" VerticalAlignment="Top" MinWidth="75" Margin="0,23,0,0" IsDefault="True" Height="21" Click="BtInitUSB_Click"/>
+				<Button x:Name="btTestLine" Content="Single-line test" HorizontalAlignment="Left" VerticalAlignment="Top" MinWidth="75" Margin="0,44,0,0" Height="21" Click="BtTestLine_Click"/>
+				<Button x:Name="btLoadImage" Content="Load test image" HorizontalAlignment="Left" VerticalAlignment="Top" MinWidth="75" Margin="0,65,0,0" Height="21" Click="BtLoadImage_Click"/>
+				<Image x:Name="imPreview" HorizontalAlignment="Left" Height="154" Margin="363,10,0,0" VerticalAlignment="Top" Width="369"/>
 			</Grid>
 		</GroupBox>
 		<TextBox x:Name="tbLog" HorizontalAlignment="Left" Margin="10,232,0,10" TextWrapping="Wrap" Width="774" Grid.ColumnSpan="3" AllowDrop="False" IsReadOnly="True" IsUndoEnabled="False" VerticalScrollBarVisibility="Visible" ScrollViewer.CanContentScroll="True" Text="{Binding Path=LogBuffer}"/>
diff --git a/sharperang/MainWindow.xaml.cs b/sharperang/MainWindow.xaml.cs
index d504ac2..ba1edaa 100644
--- a/sharperang/MainWindow.xaml.cs
+++ b/sharperang/MainWindow.xaml.cs
@@ -2,6 +2,12 @@
 using System;
 using System.Windows;
 
+//testing
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Windows.Media.Imaging;
+
 namespace sharperang {
 	/// <summary>
 	/// Interaction logic for MainWindow.xaml
@@ -9,6 +15,7 @@ namespace sharperang {
 	public partial class MainWindow : Window {
 		private LogBridge logger;
 		private USBPrinter printer=new USBPrinter();
+		private Bitmap bimg;
 		public MainWindow() {
 			InitializeComponent();
 			logger = new LogBridge();
@@ -30,13 +37,56 @@ namespace sharperang {
 			logger.Debug("Printer initialised and ready");
 		}
 		private void BtTestLine_Click(object sender, RoutedEventArgs e) {
-			byte[] data = new byte[384];
+			byte[] data = new byte[72];
+			byte[] data2 = new byte[95];
+			//for each byte (0000 0000) every 4 bits is a "dot" with variable width.
 			//having spent some time examining this, each bit in a given byte corresponds to a dot on the thermal impression plate
-			//and each set of 192 bytes constitutes a single line
-			//giving a size of 3072 distinct dots per line
-			data[5] = 0x10; data[4]=0x10; data[3]=0x20; data[2]=0x20; data[1]=0x30; data[0]=0x30;
-			data[192] = 0x10; data[193]=0x10;data[194]=0x20;data[195]=0x20;data[196]=0x30;data[197]=0x30;
-			printer.PrintBytes(data);
+			// every 96 bytes is one line, and the first 48 bytes of each line is the actual dot data. it's unclear to me what the other half is for. P2 support maybe?
+			//giving a size of 768 distinct dots per line
+			//line length of P1 is 48 bytes
+			//line length of P2 is 72 bytes
+			//unsure why each line is stored in a buffer of 96 bytes, but okay.
+			//Paperang P1 prints bytes on one line from byte 0 to byte 47
+			//Paperang P2 prints bytes on one line from byte 0 to byte 71
+			data[0] = 0x55; data[8] = 0x77; data[16] = 0x77; data[24] = 0x77; data[32] = 0x77; data[40] = 0x77;
+
+			data[48] = 0x77; data[56] = 0x77; data[64] = 0x77; data[71] = 0x77; //data[72] = 0x77; data[80] = 0x77; data[88] = 0x77;
+			//data[5] = 0x10; data[4]=0x10; data[3]=0x20; data[2]=0x20; data[1]=0x30; data[0]=0x30;
+			/*data2[0] = 0x10; data2[1]=0x10;data2[2]=0x20;data2[3]=0x20;data2[4]=0x30;data2[5]=0x30;
+			data2[32] = 0xaa; data[32] = 0x55;
+			data2[50] = 0x55; data[50] = 0xaa;
+			data2[87] = 0xaa; data[87] = 0x55;*/
+			printer.PrintBytes(data, false);
+			printer.PrintBytes(data2, false);
+		}
+
+		private void BtLoadImage_Click(object sender, RoutedEventArgs e) {
+			bimg=new Bitmap("C:/Users/maff/Downloads/Sqrl - Kid Maff (Vectorised).png");
+			int w=bimg.Width; int h=bimg.Height;float rt=(float)w/h;
+			h=(int)(384*rt);
+			bimg=new Bitmap(bimg, 384, h);
+			Bitmap tmp = new Bitmap(bimg.Width, bimg.Height, PixelFormat.Format1bppIndexed);
+			int width = bimg.Width;
+			int height = bimg.Height;
+			Color p;
+			for (int y = 0; y < height; y++) {
+				for (int x = 0; x < width; x++) {
+					p = bimg.GetPixel(x, y);
+					int a = p.A;
+					int r = p.R;
+					int g = p.G;
+					int b = p.B;
+					int avg = (int)(0.2989*r + 0.5870*g + 0.1140*b)/3;
+					avg = avg < 128 ? 0 : 255;
+					bimg.SetPixel(x, y, Color.FromArgb(a, avg, avg, avg));
+				}
+			}
+			byte[] img;
+			using (MemoryStream s = new MemoryStream()) {
+				tmp.Save(s, System.Drawing.Imaging.ImageFormat.Bmp);
+				img=s.ToArray();
+			}
+			printer.PrintBytes(img, false);
 		}
 	}
 }