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feat: added large ASCII glyph support and a demo.
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‎Demos/Sharpie.Demos.Font/Program.cs

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/*
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Copyright (c) 2022, Alexandru Ciobanu
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System.Diagnostics.CodeAnalysis;
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using Sharpie;
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using Sharpie.Abstractions;
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using Sharpie.Backend;
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[assembly: ExcludeFromCodeCoverage]
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// Create a new terminal instance with an invisible cursor.
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using var terminal = new Terminal(NativeCursesProvider.Instance, new(CaretMode: CaretMode.Invisible));
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// Setup the message and a number of rotating styles that will be applied for each letter of the message.
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var message = "\x001 Let the ASCII fun begin! \x003";
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var styles = Enumerable.Range(0, message.Length)
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.Select(i => new Style
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{
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Attributes = VideoAttribute.None,
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ColorMixture = terminal.Colors.MixColors((short) (i + 10), (short) StandardColor.Default)
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})
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.ToArray();
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// This method draws the given string and applies color starting with a specific shift.
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void DrawFunAsciiMessage(ITerminal t, string str, int colorShift)
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{
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var x = 0;
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var y = 0;
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foreach (var ch in str)
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{
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var gl = new LargeAsciiGlyph((byte)ch, styles[colorShift % styles.Length]);
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t.Screen.Draw(new (x, y), gl);
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x += gl.Size.Width;
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if (x >= t.Screen.Size.Width - gl.Size.Width)
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{
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x = 0;
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y += gl.Size.Height;
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}
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colorShift++;
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}
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}
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// A repeating timer that draws the message with different colors.
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var colorShift = 0;
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terminal.Repeat((t) =>
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{
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DrawFunAsciiMessage(t, message, colorShift++);
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t.Screen.Refresh();
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return Task.CompletedTask;
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}, 100);
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// The main loop -- we need to monitor for resizes.
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terminal.Run((t, e) =>
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{
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if (e is TerminalResizeEvent)
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{
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t.Screen.Clear();
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}
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return Task.CompletedTask;
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});

‎Demos/Sharpie.Demos.Font/Sharpie.Demos.Font.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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<TargetFramework>net6.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<AssemblyName>sharpie-demos-font</AssemblyName>
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<LangVersion>11</LangVersion>
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<IsPackable>false</IsPackable>
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<Title>A Curses-based terminal manipulation library.</Title>
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<Description>Demo application for Sharpie library.</Description>
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<Copyright>Alexandru Ciobanu</Copyright>
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<PackageProjectUrl>https://github.com/pavkam/sharpie/</PackageProjectUrl>
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<PackageLicenseUrl>https://github.com/pavkam/sharpie/blob/main/LICENSE</PackageLicenseUrl>
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<RepositoryUrl>https://github.com/pavkam/sharpie.git</RepositoryUrl>
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<RepositoryType>git</RepositoryType>
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<PackageVersion>1.0.0</PackageVersion>
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<AssemblyVersion>1.0.0</AssemblyVersion>
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<FileVersion>1.0.0</FileVersion>
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<Authors>Alexandru Ciobanu</Authors>
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<Company>sharpie-demos-font</Company>
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<Product>sharpie-demos-font</Product>
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<PackageId>sharpie-demos-font</PackageId>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\Sharpie\Sharpie.csproj" />
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</ItemGroup>
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</Project>

‎Sharpie.sln

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@@ -16,6 +16,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sharpie.Demos.Windows", "De
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sharpie.Demos.Snake", "Demos\Sharpie.Demos.Snake\Sharpie.Demos.Snake.csproj", "{B746C675-0FB6-4B9E-8C0C-045C0585CBC4}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sharpie.Demos.Font", "Demos\Sharpie.Demos.Font\Sharpie.Demos.Font.csproj", "{846FCE76-3D6D-4680-B81E-2187B375D2F4}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{B746C675-0FB6-4B9E-8C0C-045C0585CBC4}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{B746C675-0FB6-4B9E-8C0C-045C0585CBC4}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{B746C675-0FB6-4B9E-8C0C-045C0585CBC4}.Release|Any CPU.Build.0 = Release|Any CPU
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{846FCE76-3D6D-4680-B81E-2187B375D2F4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{846FCE76-3D6D-4680-B81E-2187B375D2F4}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{846FCE76-3D6D-4680-B81E-2187B375D2F4}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{846FCE76-3D6D-4680-B81E-2187B375D2F4}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(NestedProjects) = preSolution
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{8F82A851-2053-4079-82D2-5BA2C1987AF2} = {D93C7AAD-B597-44E4-B05B-81A52F0D5E9B}
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{68997860-DF84-4DFF-9B24-5F5B531B994A} = {D93C7AAD-B597-44E4-B05B-81A52F0D5E9B}
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{6E0FFEE1-21B5-4B26-B65D-FC4C5457A154} = {D93C7AAD-B597-44E4-B05B-81A52F0D5E9B}
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{C5E6AEF6-E39C-4ADE-A684-55B901D9871B} = {D93C7AAD-B597-44E4-B05B-81A52F0D5E9B}
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{B746C675-0FB6-4B9E-8C0C-045C0585CBC4} = {D93C7AAD-B597-44E4-B05B-81A52F0D5E9B}
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{846FCE76-3D6D-4680-B81E-2187B375D2F4} = {D93C7AAD-B597-44E4-B05B-81A52F0D5E9B}
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EndGlobalSection
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EndGlobal

‎Sharpie/LargeAsciiGlyph.cs

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namespace Sharpie;
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/// <summary>
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/// Contains the definition of the standard ASCII font.
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/// </summary>
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[PublicAPI]
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public sealed class LargeAsciiGlyph : IDrawable
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{
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private const int BitsPerLine = 8;
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private const int Lines = 8;
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private const int CharsPerByte = 2;
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private const string Raw =
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private static readonly IReadOnlyList<bool[,]> Shapes;
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private static bool[,] ExtractGlyph(ReadOnlySpan<char> str)
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{
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Debug.Assert(str.Length == Lines * CharsPerByte);
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var shape = new bool[8, 8];
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for (var y = 0; y < Lines; y++)
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{
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var pb = byte.Parse(str.Slice(y * CharsPerByte, CharsPerByte), NumberStyles.HexNumber);
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for (var x = 0; x < BitsPerLine; x++)
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{
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shape[7 - x, y] = (pb & (1 << x)) != 0;
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}
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}
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return shape;
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}
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private readonly Drawing _drawing;
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static LargeAsciiGlyph()
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{
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Debug.Assert(Raw.Length % CharsPerByte == 0);
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var byteCount = Raw.Length / CharsPerByte;
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Debug.Assert(byteCount % Lines == 0);
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var glyphCount = byteCount / Lines;
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var glyphs = new List<bool[,]>();
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for (var i = 0; i < glyphCount; i ++)
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{
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glyphs.Add(ExtractGlyph(Raw.AsSpan(i * Lines * CharsPerByte,
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Lines * CharsPerByte))
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);
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}
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Shapes = glyphs.ToArray();
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}
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/// <summary>
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/// Creates a new large ASCII glyph for a given <see cref="char"/>.
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/// </summary>
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/// <param name="char">The character to obtain the glyph of.</param>
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/// <param name="style">The text style to use.</param>
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public LargeAsciiGlyph(byte @char, Style style)
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{
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_drawing = new(new(BitsPerLine / 2, Lines));
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_drawing.Fill(new(new(0, 0), _drawing.Size), new Rune(ControlCharacter.Whitespace), style);
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var shape = Shapes[@char];
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for (var x = 0; x < BitsPerLine; x++)
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{
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for (var y = 0; y < Lines; y++)
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{
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var ap = new PointF(x / 2F, y / 2F);
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if (shape[x, y])
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{
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_drawing.Point(ap, style);
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}
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}
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}
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}
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/// <inheritdoc cref="IDrawable.Size"/>
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public Size Size => _drawing.Size;
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/// <inheritdoc cref="IDrawable.DrawTo"/>
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public void DrawTo(IDrawSurface destination, Rectangle srcArea, Point destLocation) =>
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_drawing.DrawTo(destination, srcArea, destLocation);
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}

‎Sharpie/Sharpie.csproj

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</None>
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</ItemGroup>
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<ItemGroup>
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<None Remove="basic.font" />
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</ItemGroup>
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</Project>

‎Sharpie/Usings.cs

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global using System.Runtime.InteropServices;
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global using Sharpie.Abstractions;
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global using Sharpie.Backend;
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global using System.Globalization;

‎media/demo-3.gif

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