Optimized Font Loading
System fonts only load if no glyph is found in the already loaded fonts. fixes #2
This commit is contained in:
parent
7d32666095
commit
4a958ae060
@ -10,7 +10,7 @@
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<IncludeSymbols>False</IncludeSymbols>
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<RepositoryUrl>https://git.jacobtech.com/JacobTech.com/GraphicsManager</RepositoryUrl>
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<RepositoryType>git</RepositoryType>
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<Version>1.0.0-beta1</Version>
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<Version>1.0.1-beta01</Version>
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</PropertyGroup>
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<ItemGroup>
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@ -1,25 +1,48 @@
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using System.Diagnostics;
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using System.Reflection;
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using System.Security.Cryptography;
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using SharpFont;
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namespace GraphicsManager.Objects.Core;
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public class Font
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{
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private static List<Face>? System = null;
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private List<Face> _Faces = new();
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private Library lib;
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internal Font()
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internal static Library lib = new();
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public IReadOnlyList<Face> Fonts => _Faces.AsReadOnly();
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internal static Dictionary<string, Face> AllFileFonts = new();
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internal static Dictionary<byte[], Face> AllMemoryFonts = new();
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internal static List<string>? _SystemPre = null;
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private static List<Font> AllFonts = new();
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private static bool Backup = false;
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internal void AddSystemFontFace(string path)
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{
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Console.WriteLine("Added font: " + path);
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if (!AllFileFonts.ContainsKey(path)) AllFileFonts.Add(path, new(lib, path, 0));
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if (!_Faces.Contains(AllFileFonts[path]))
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{
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foreach (Font ft in AllFonts)
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{
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ft._Faces.Add(AllFileFonts[path]);
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}
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}
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}
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private Font()
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{
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Name = null!;
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Assembly = null!;
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Embeded = false;
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if (lib is null) lib = new();
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//TODO add more systemfont dection methods
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if (System is null)
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if (!Backup)
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{
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System = new();
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AllMemoryFonts.Add(SHA256.HashData(Tools.GetResourceBytes("GraphicsManager.Resources.Fonts.TektonPro-Regular.otf")), new Face(lib, Tools.GetResourceBytes("GraphicsManager.Resources.Fonts.TektonPro-Regular.otf"), 0));
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Backup = true;
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}
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if (_SystemPre is null)
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{
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_SystemPre = new();
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if (OperatingSystem.IsLinux())
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{
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try
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@ -38,7 +61,7 @@ public class Font
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string[] files = proc.StandardOutput.ReadToEnd().Split($": {Environment.NewLine}");
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for (int i = 0; i < files.Length; i++)
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{
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System!.Add(new Face(lib, files[i], 0));
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_SystemPre.Add(files[i]);
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}
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}
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catch
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@ -46,11 +69,7 @@ public class Font
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}
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}
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}
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for (int i = 0; i < System!.Count; i++) _Faces.Add(System![i]);
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//TODO add a reserved backup font
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}
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public IReadOnlyList<Face> Faces => _Faces.AsReadOnly();
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public void SetEmbeddedFont(string Font, Assembly? Assembly = null)
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{
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_ = Font ?? throw new ArgumentNullException(nameof(Font));
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@ -59,9 +78,14 @@ public class Font
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byte[] f = (Assembly is null
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? Tools.GetResourceBytes(Base + Font)
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: Tools.GetResourceBytes(Assembly!, $"{Base}{Font}"));
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if (HasTopFont) _Faces[0] = new Face(lib, f, 0);
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else _Faces.Insert(0, new Face(lib, f, 0));
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HasTopFont = true;
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byte[] hash = SHA256.HashData(f);
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if (AllMemoryFonts.ContainsKey(hash)) AllMemoryFonts.Add(hash, new(lib, f, 0));
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if (!_Faces.Contains(AllMemoryFonts[hash])) _Faces.Insert(0, AllMemoryFonts[hash]);
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else
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{
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_Faces.Remove(AllMemoryFonts[hash]);
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_Faces.Insert(0, AllMemoryFonts[hash]);
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}
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this.Assembly = Assembly;
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this.Embeded = true;
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this.Name = Font;
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@ -77,17 +101,28 @@ public class Font
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Name = Font,
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HasTopFont = true
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};
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AllFonts.Add(fontclass);
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string Base = "GraphicsManager.Resources.Fonts.";
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if (Assembly is not null) Base = string.Empty;
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byte[] f = (Assembly is null
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? Tools.GetResourceBytes(Base + Font)
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: Tools.GetResourceBytes(Assembly!, $"{Base}{Font}"));
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fontclass._Faces.Insert(0, new Face(fontclass.lib, f, 0));
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byte[] hash = SHA256.HashData(f);
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if (AllMemoryFonts.ContainsKey(hash)) AllMemoryFonts.Add(hash, new(lib, f, 0));
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fontclass._Faces.Insert(0, AllMemoryFonts[hash]);
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return fontclass;
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}
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public static Font MakeFontFromSystem(uint PixelHeight = 20) => new Font() { PixelHeight = PixelHeight};
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private static Font? Cache = null;
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public static Font MakeFontFromSystem(uint PixelHeight = 20)
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{
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if (Cache is null)
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{
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Cache = new() { PixelHeight = PixelHeight };
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AllFonts.Add(Cache);
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}
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return Cache;
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}
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public static Font MakeFontFromFile(string Font)
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{
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_ = Font ?? throw new ArgumentNullException(nameof(Font));
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@ -98,7 +133,8 @@ public class Font
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Name = Font,
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HasTopFont = true
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};
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fontclass._Faces.Insert(0, new Face(fontclass.lib, Font, 0));
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AllFonts.Add(fontclass);
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fontclass._Faces.Insert(0, new Face(lib, Font, 0));
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return fontclass;
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}
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@ -1,12 +1,24 @@
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using GraphicsManager.Structs;
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using OpenTK.Graphics.OpenGL4;
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using OpenTK.Graphics.ES30;
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using OpenTK.Mathematics;
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using OpenTK.Windowing.Desktop;
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using SharpFont;
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using SixLabors.ImageSharp;
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using SixLabors.ImageSharp.PixelFormats;
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using SixLabors.ImageSharp.Processing;
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using GL = OpenTK.Graphics.OpenGL4.GL;
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using Image = SixLabors.ImageSharp.Image;
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using PixelFormat = OpenTK.Graphics.OpenGL4.PixelFormat;
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using PixelInternalFormat = OpenTK.Graphics.OpenGL4.PixelInternalFormat;
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using PixelStoreParameter = OpenTK.Graphics.OpenGL4.PixelStoreParameter;
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using PixelType = OpenTK.Graphics.OpenGL4.PixelType;
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using TextureMagFilter = OpenTK.Graphics.OpenGL4.TextureMagFilter;
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using TextureMinFilter = OpenTK.Graphics.OpenGL4.TextureMinFilter;
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using TextureParameterName = OpenTK.Graphics.OpenGL4.TextureParameterName;
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using TextureTarget = OpenTK.Graphics.OpenGL4.TextureTarget;
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using TextureUnit = OpenTK.Graphics.OpenGL4.TextureUnit;
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using TextureWrapMode = OpenTK.Graphics.OpenGL4.TextureWrapMode;
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using VertexAttribPointerType = OpenTK.Graphics.OpenGL4.VertexAttribPointerType;
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namespace GraphicsManager.Objects.Core;
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@ -46,35 +58,35 @@ public class Texture
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{
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}
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internal static Character GetChar(Font l, char charter, Face[] faces)
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internal static Character GetChar(Font l, char charter)
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{
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Character t = new();
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for (int i = 0; i < faces.Length; i++)
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int last = 0;
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for (int i = 0; i < l.Fonts.Count; i++)
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{
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try
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{
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try
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{
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faces[i].SetPixelSizes(0, l.PixelHeight);
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l.Fonts[i].SetPixelSizes(0, l.PixelHeight);
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last = i;
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}
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catch (Exception e)
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{
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continue;
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}
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faces[i].SelectCharmap(Encoding.Unicode);
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l.Fonts[i].SelectCharmap(Encoding.Unicode);
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ushort temp = ((ushort)charter);
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if (faces[i].GetCharIndex(temp) == 0) continue;
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faces[i].LoadChar(temp, LoadFlags.Render, LoadTarget.Normal);
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GlyphSlot glyph = faces[i].Glyph;
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if (l.Fonts[i].GetCharIndex(temp) == 0) continue;
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l.Fonts[i].LoadChar(temp, LoadFlags.Render, LoadTarget.Normal);
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GlyphSlot glyph = l.Fonts[i].Glyph;
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FTBitmap bitmap = glyph.Bitmap;
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t = new()
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return new()
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{
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Size = new Vector2(bitmap.Width, bitmap.Rows),
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Bearing = new Vector2(glyph.BitmapLeft, glyph.BitmapTop),
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Advance = glyph.Advance.X.Value,
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};
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return t;
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}
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catch (Exception ex)
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{
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@ -82,14 +94,65 @@ public class Texture
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continue;
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}
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}
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for (int i = 0; i < Font._SystemPre.Count; i++)
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{
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try
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{
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Face tmp = new(Font.lib, Font._SystemPre[i], 0);
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try
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{
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tmp.SetPixelSizes(0, l.PixelHeight);
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}
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catch (Exception e)
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{
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tmp.Dispose();
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continue;
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}
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tmp.SelectCharmap(Encoding.Unicode);
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ushort temp2 = ((ushort)charter);
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if (tmp.GetCharIndex(temp2) == 0)
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{
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tmp.Dispose();
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continue;
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}
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tmp.LoadChar(temp2, LoadFlags.Render, LoadTarget.Normal);
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GlyphSlot glyph2 = tmp.Glyph;
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FTBitmap bitmap2 = glyph2.Bitmap;
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l.AddSystemFontFace(Font._SystemPre[i]);
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return new()
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{
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Size = new Vector2(bitmap2.Width, bitmap2.Rows),
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Bearing = new Vector2(glyph2.BitmapLeft, glyph2.BitmapTop),
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Advance = glyph2.Advance.X.Value,
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};
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex);
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}
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}
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l.Fonts[last].SetPixelSizes(0, l.PixelHeight);
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l.Fonts[last].SelectCharmap(Encoding.Unicode);
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ushort temp22 = ((ushort)charter);
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l.Fonts[last].LoadChar(temp22, LoadFlags.Render, LoadTarget.Normal);
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GlyphSlot glyph22 = l.Fonts[0].Glyph;
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FTBitmap bitmap22 = glyph22.Bitmap;
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return new()
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{
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Size = new Vector2(bitmap22.Width, bitmap22.Rows),
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Bearing = new Vector2(glyph22.BitmapLeft, glyph22.BitmapTop),
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Advance = (int)glyph22.Advance.X.Value,
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};
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return t;
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}
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internal static Texture TextureForChar(IGLFWGraphicsContext con, Font l, char charter, Face[] faces)
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internal static Texture TextureForChar(IGLFWGraphicsContext con, Font l, char charter)
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{
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Texture t = new();
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for (int i = 0; i < faces.Length; i++)
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Texture? t = null;
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int last = 0;
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for (int i = 0; i < l.Fonts.Count; i++)
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{
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try
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{
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@ -97,7 +160,8 @@ public class Texture
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if (Label._characters[con][l].ContainsKey(charter)) return Label._characters[con][l][(ushort)charter].Texture;
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try
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{
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faces[i].SetPixelSizes(0, l.PixelHeight);
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l.Fonts[i].SetPixelSizes(0, l.PixelHeight);
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last = i;
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}
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catch (Exception e)
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{
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@ -108,13 +172,13 @@ public class Texture
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GL.PixelStore(PixelStoreParameter.UnpackAlignment, 1);
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GL.ActiveTexture(TextureUnit.Texture0);
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faces[i].SelectCharmap(Encoding.Unicode);
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l.Fonts[i].SelectCharmap(Encoding.Unicode);
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ushort temp = ((ushort)charter);
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if (faces[i].GetCharIndex(temp) == 0) continue;
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faces[i].LoadChar(temp, LoadFlags.Render, LoadTarget.Normal);
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GlyphSlot glyph = faces[i].Glyph;
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if (l.Fonts[i].GetCharIndex(temp) == 0) continue;
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l.Fonts[i].LoadChar(temp, LoadFlags.Render, LoadTarget.Normal);
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GlyphSlot glyph = l.Fonts[i].Glyph;
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FTBitmap bitmap = glyph.Bitmap;
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t = new();
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t.handel = GL.GenTexture();
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GL.BindTexture(TextureTarget.Texture2D, t.handel);
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GL.TexImage2D(TextureTarget.Texture2D, 0,
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@ -131,6 +195,7 @@ public class Texture
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};
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Label._characters[con][l].Add(temp, cha);
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return t;
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}
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catch (Exception ex)
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{
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@ -139,6 +204,91 @@ public class Texture
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}
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}
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if (t is null)
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{
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for (int i = 0; i < Font._SystemPre.Count; i++)
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{
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try
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{
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Face tmp = new(Font.lib, Font._SystemPre[i], 0);
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try
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{
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tmp.SetPixelSizes(0, l.PixelHeight);
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}
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catch (Exception e)
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{
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tmp.Dispose();
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continue;
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}
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GL.PixelStore(PixelStoreParameter.UnpackAlignment, 1);
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GL.ActiveTexture(TextureUnit.Texture0);
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tmp.SelectCharmap(Encoding.Unicode);
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ushort temp2 = ((ushort)charter);
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if (tmp.GetCharIndex(temp2) == 0)
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{
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tmp.Dispose();
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continue;
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}
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tmp.LoadChar(temp2, LoadFlags.Render, LoadTarget.Normal);
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GlyphSlot glyph2 = tmp.Glyph;
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FTBitmap bitmap2 = glyph2.Bitmap;
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l.AddSystemFontFace(Font._SystemPre[i]);
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t = new();
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t.handel = GL.GenTexture();
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GL.BindTexture(TextureTarget.Texture2D, t.handel);
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GL.TexImage2D(TextureTarget.Texture2D, 0,
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PixelInternalFormat.R8, bitmap2.Width, bitmap2.Rows, 0,
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PixelFormat.Red, PixelType.UnsignedByte, bitmap2.Buffer);
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Character cha2 = new()
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{
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Size = new Vector2(bitmap2.Width, bitmap2.Rows),
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Bearing = new Vector2(glyph2.BitmapLeft, glyph2.BitmapTop),
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Advance = (int)glyph2.Advance.X.Value,
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Texture = t,
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};
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Label._characters[con][l].Add(temp2, cha2);
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return t;
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex);
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}
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}
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if (!Label._characters[con].ContainsKey(l)) Label._characters[con].Add(l, new Dictionary<uint, Character>());
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if (Label._characters[con][l].ContainsKey(charter)) return Label._characters[con][l][(ushort)charter].Texture;
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l.Fonts[last].SetPixelSizes(0, l.PixelHeight);
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GL.PixelStore(PixelStoreParameter.UnpackAlignment, 1);
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GL.ActiveTexture(TextureUnit.Texture0);
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l.Fonts[last].SelectCharmap(Encoding.Unicode);
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ushort temp = ((ushort)charter);
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l.Fonts[last].LoadChar(temp, LoadFlags.Render, LoadTarget.Normal);
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GlyphSlot glyph = l.Fonts[0].Glyph;
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FTBitmap bitmap = glyph.Bitmap;
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if (t is null) t = new();
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else return t;
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t.handel = GL.GenTexture();
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GL.BindTexture(TextureTarget.Texture2D, t.handel);
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GL.TexImage2D(TextureTarget.Texture2D, 0,
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PixelInternalFormat.R8, bitmap.Width, bitmap.Rows, 0,
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PixelFormat.Red, PixelType.UnsignedByte, bitmap.Buffer);
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Character cha = new()
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{
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Size = new Vector2(bitmap.Width, bitmap.Rows),
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Bearing = new Vector2(glyph.BitmapLeft, glyph.BitmapTop),
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Advance = (int)glyph.Advance.X.Value,
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Texture = t,
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};
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Label._characters[con][l].Add(temp, cha);
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}
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return t;
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}
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@ -15,7 +15,7 @@ namespace GraphicsManager.Objects;
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public class Label : IRenderObject
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{
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public static readonly Dictionary<IGLFWGraphicsContext, Shader> DefaultTextShader = new();
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public static readonly Font DefaultFont = new();
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public static readonly Font DefaultFont = Font.MakeFontFromSystem();
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public ContextMenu? ContextMenu { get; set; } = null;
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public IParent? Parent { get; private set; }
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public ObjectAnchor Anchor { get; set; } = ObjectAnchor.Left | ObjectAnchor.Top;
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@ -74,7 +74,7 @@ public class Label : IRenderObject
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character = value[i];
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else
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character = PasswordChar.Value;
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Character cha = Texture.GetChar(Font, character, Font.Faces.ToArray());
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Character cha = Texture.GetChar(Font, character);
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if (character == '\n')
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{
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@ -155,9 +155,10 @@ public class Label : IRenderObject
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c = PasswordChar.Value;
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if (!_characters[Window!.Context][Font].ContainsKey(c))
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{
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var f = Texture.TextureForChar(Window!.Context, Font, c, Font.Faces.ToArray());
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var f = Texture.TextureForChar(Window!.Context, Font, c);
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f.LoadText();
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}
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if (!_characters[Window!.Context][Font].ContainsKey(c)) continue;
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Character ch = _characters[Window!.Context][Font][c];
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int maxx = 0;
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if (c == '\n')
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