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glax 2024-05-12 22:35:52 +02:00
commit 852fc3ff63
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5
.gitignore vendored Normal file
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bin/
obj/
/packages/
riderModule.iml
/_ReSharper.Caches/

13
.idea/.idea.MSDF-Test/.idea/.gitignore vendored Normal file
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# Default ignored files
/shelf/
/workspace.xml
# Rider ignored files
/modules.xml
/.idea.MSDF-Test.iml
/contentModel.xml
/projectSettingsUpdater.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

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.idea/.idea.MSDF-Test/.idea/encodings.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
</project>

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.idea/.idea.MSDF-Test/.idea/indexLayout.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="UserContentModel">
<attachedFolders />
<explicitIncludes />
<explicitExcludes />
</component>
</project>

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.idea/.idea.MSDF-Test/.idea/vcs.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

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MSDF-Test.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MSDF-Test", "MSDF-Test\MSDF-Test.csproj", "{73871F30-FF9E-48D3-9DF3-8B7809FBC6B8}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{73871F30-FF9E-48D3-9DF3-8B7809FBC6B8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{73871F30-FF9E-48D3-9DF3-8B7809FBC6B8}.Debug|Any CPU.Build.0 = Debug|Any CPU
{73871F30-FF9E-48D3-9DF3-8B7809FBC6B8}.Release|Any CPU.ActiveCfg = Release|Any CPU
{73871F30-FF9E-48D3-9DF3-8B7809FBC6B8}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
EndGlobal

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MSDF-Test/Extensions.cs Normal file
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using System.Drawing;
namespace MSDF_Test;
public static class Extensions
{
internal static Color MultiplyWith(this Color color, double factor)
{
return Color.FromArgb((int)(color.R * factor), (int)(color.G * factor), (int)(color.B * factor));
}
internal static Color Add(this Color c1, Color c2)
{
return Color.FromArgb(c1.R + c2.R, c1.G + c2.G, c1.B + c2.B);
}
internal static PointF Scale(this PointF point, float factor)
{
return new PointF(point.X * factor, point.Y * factor);
}
}

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MSDF-Test/Glyph.cs Normal file
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using System.Drawing;
namespace MSDF_Test;
public class Glyph
{
private Bitmap originalBitmap;
private const float MaxColor = 255; //255 for Bitmaps
private const float DistanceRange = 255; //255 for Bitmaps
public Glyph(Bitmap texture)
{
this.originalBitmap = texture;
}
internal Bitmap GetBitmap(int size, Color foreground, Color background)
{
Bitmap ret = new(size, size, originalBitmap.PixelFormat);
for (int x = 0; x < ret.Width; x++)
{
for (int y = 0; y < ret.Height; y++)
{
PointF scaledPoint = new (x, y);
ret.SetPixel(x, y, GeneratePixel(scaledPoint.Scale((float)originalBitmap.Width / size)) ? foreground : background);
}
}
return ret;
}
private bool GeneratePixel(PointF point)
{
Color s = SampleBilinear(point);
float sample = Median(s);
float d = ColorDistance(sample);
return d >= 0;
}
private Color SampleBilinear(PointF point)
{
int x1 = (int)Math.Floor(point.X - .5);
int y1 = (int)Math.Floor(point.Y - .5);
int x2 = x1 + 1;
int y2 = y1 + 1;
double wx = point.X - x1 - .5;
double wy = point.Y - y1 - .5;
if (x1 >= 0 && y1 >= 0 && x2 <= (originalBitmap.Width - 1) && y2 <= (originalBitmap.Height - 1))
{
Color x1y1 = originalBitmap.GetPixel(x1, y1).MultiplyWith((1 - wx) * (1 - wy));
Color x1y2 = originalBitmap.GetPixel(x1, y2).MultiplyWith((1 - wx) * wy);
Color x2y1 = originalBitmap.GetPixel(x2, y1).MultiplyWith(wx * (1 - wy));
Color x2y2 = originalBitmap.GetPixel(x2, y2).MultiplyWith(wx * wy);
return x1y1.Add(x1y2).Add(x2y1).Add(x2y2);
}
return Color.Black; //Edges can not be interpolated. Just return 0
}
internal static float Median(float r, float g, float b)
{
return Math.Max(Math.Min(r, g), Math.Min(Math.Max(r, g), b));
}
internal static float Median(Color c) => Median(c.R, c.G, c.B);
internal static float ColorDistance(float sample)
{
return ((sample / MaxColor) - .5f) * DistanceRange;
}
}

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MSDF-Test/MSDF-Test.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>MSDF_Test</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
<PackageReference Include="System.Drawing.Common" Version="8.0.4" />
</ItemGroup>
</Project>

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MSDF-Test/MSDF.cs Normal file
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using System.Drawing;
using Newtonsoft.Json;
namespace MSDF_Test;
public class MSDF
{
private readonly Texture _texture;
private readonly Dictionary<char, Glyph> _glyphs = new();
public MSDF(string texturePath, int glyphSize, int padding)
{
this._texture = new Texture(texturePath, glyphSize, padding);
List<Bitmap> glyphBitmaps = this._texture.GetGlyphBitmaps();
for(int i = 32; i < 128; i++)
_glyphs.Add((char)(i+1), new Glyph(glyphBitmaps[i]));
}
public Bitmap Render(string str, int size)
{
Bitmap ret = new(size * str.Length, size);
using (Graphics grD = Graphics.FromImage(ret))
{
for(int i = 0; i < str.Length; i++)
{
if (_glyphs.TryGetValue(str[i], out Glyph? glyph))
{
int destOffsetX = i * size;
grD.DrawImage(glyph.GetBitmap(size, Color.White, Color.Transparent), new PointF(destOffsetX, 0));
}
}
}
return ret;
}
}

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MSDF-Test/Program.cs Normal file
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using System.Drawing;
using System.Drawing.Imaging;
using MSDF_Test;
MSDF msdf = new ("T_RobotoBlack_FONT.png", 66, 3);
Console.Write("String: ");
string? str;
do
{
str = Console.ReadLine();
}while(str is null);
Console.Write("Size: ");
string? sizeStr;
int size;
do
{
sizeStr = Console.ReadLine();
}while(sizeStr is null || !int.TryParse(sizeStr, out size));
Console.WriteLine("Rendering...");
Bitmap render = msdf.Render(str, size);
render.Save("render.png", ImageFormat.Png);
Console.WriteLine("Done.");

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MSDF-Test/Texture.cs Normal file
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using System.Drawing;
namespace MSDF_Test;
public struct Texture
{
internal Bitmap Image;
internal int GlyphSize;
internal int Padding;
public Texture(Bitmap image, int glyphSize, int padding)
{
this.Image = image;
this.GlyphSize = glyphSize;
this.Padding = padding;
}
internal List<Bitmap> GetGlyphBitmaps()
{
List<Bitmap> ret = new();
for (int y = Padding; y < Image.Width - Padding; y += GlyphSize + Padding)
{
for (int x = Padding; x < Image.Height - Padding; x += GlyphSize + Padding)
{
Point topLeft = new (x, y);
ret.Add(Image.Clone(new Rectangle(topLeft, new Size(GlyphSize, GlyphSize)), Image.PixelFormat));
}
}
return ret;
}
public Texture(string imagePath, int glyphSize, int padding) : this((Bitmap)Bitmap.FromFile(imagePath), glyphSize, padding)
{
}
}