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using FontStashSharp;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using SpriteFontPlus.Utility;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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namespace SpriteFontPlus
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{
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public class DynamicSpriteFont
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{
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internal struct TextureEnumerator : IEnumerable<Texture2D>
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{
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private readonly FontSystem _font;
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public TextureEnumerator(FontSystem font)
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{
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_font = font;
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}
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public IEnumerator<Texture2D> GetEnumerator()
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{
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foreach (var atlas in _font.Atlases)
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{
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yield return atlas.Texture;
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}
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return GetEnumerator();
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}
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}
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private readonly FontSystem _fontSystem;
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public IEnumerable<Texture2D> Textures
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{
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get { return new TextureEnumerator(_fontSystem); }
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}
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public int Size
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{
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get
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{
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return _fontSystem.FontSize;
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}
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set
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{
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_fontSystem.FontSize = value;
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}
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}
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public float Spacing
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{
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get
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{
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return _fontSystem.Spacing;
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}
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set
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{
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_fontSystem.Spacing = value;
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}
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}
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public bool UseKernings
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{
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get
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{
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return _fontSystem.UseKernings;
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}
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set
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{
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_fontSystem.UseKernings = value;
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}
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}
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public int? DefaultCharacter
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{
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get
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{
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return _fontSystem.DefaultCharacter;
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}
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set
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{
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_fontSystem.DefaultCharacter = value;
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}
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}
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public event EventHandler CurrentAtlasFull
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{
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add
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{
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_fontSystem.CurrentAtlasFull += value;
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}
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remove
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{
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_fontSystem.CurrentAtlasFull -= value;
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}
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}
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private DynamicSpriteFont(byte[] ttf, int defaultSize, int textureWidth, int textureHeight, int blur)
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{
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_fontSystem = new FontSystem(textureWidth, textureHeight, blur)
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{
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FontSize = defaultSize
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};
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_fontSystem.AddFontMem(ttf);
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}
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public float DrawString(SpriteBatch batch, string text, Vector2 pos, Color color)
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{
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return DrawString(batch, text, pos, color, Vector2.One);
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}
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public float DrawString(SpriteBatch batch, string text, Vector2 pos, Color color, Vector2 scale, float depth = 0f)
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{
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_fontSystem.Scale = scale;
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var result = _fontSystem.DrawText(batch, pos.X, pos.Y, text, color, depth);
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_fontSystem.Scale = Vector2.One;
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return result;
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}
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public float DrawString(SpriteBatch batch, string text, Vector2 pos, Color[] glyphColors)
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{
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return DrawString(batch, text, pos, glyphColors, Vector2.One);
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}
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public float DrawString(SpriteBatch batch, string text, Vector2 pos, Color[] glyphColors, Vector2 scale, float depth = 0f)
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{
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_fontSystem.Scale = scale;
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var result = _fontSystem.DrawText(batch, pos.X, pos.Y, text, glyphColors, depth);
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_fontSystem.Scale = Vector2.One;
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return result;
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}
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public float DrawString(SpriteBatch batch, StringBuilder text, Vector2 pos, Color color)
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{
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return DrawString(batch, text, pos, color, Vector2.One);
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}
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public float DrawString(SpriteBatch batch, StringBuilder text, Vector2 pos, Color color, Vector2 scale, float depth = 0f)
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{
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_fontSystem.Scale = scale;
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var result = _fontSystem.DrawText(batch, pos.X, pos.Y, text, color, depth);
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_fontSystem.Scale = Vector2.One;
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return result;
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}
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public float DrawString(SpriteBatch batch, StringBuilder text, Vector2 pos, Color[] glyphColors)
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{
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return DrawString(batch, text, pos, glyphColors, Vector2.One);
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}
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public float DrawString(SpriteBatch batch, StringBuilder text, Vector2 pos, Color[] glyphColors, Vector2 scale, float depth = 0f)
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{
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_fontSystem.Scale = scale;
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var result = _fontSystem.DrawText(batch, pos.X, pos.Y, text, glyphColors, depth);
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_fontSystem.Scale = Vector2.One;
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return result;
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}
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public void AddTtf(byte[] ttf)
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{
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_fontSystem.AddFontMem(ttf);
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}
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public void AddTtf(Stream ttfStream)
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{
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AddTtf(ttfStream.ToByteArray());
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}
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public Vector2 MeasureString(string text)
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{
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Bounds bounds = new Bounds();
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_fontSystem.TextBounds(0, 0, text, ref bounds);
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return new Vector2(bounds.X2, bounds.Y2);
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}
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public Vector2 MeasureString(StringBuilder text)
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{
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Bounds bounds = new Bounds();
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_fontSystem.TextBounds(0, 0, text, ref bounds);
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return new Vector2(bounds.X2, bounds.Y2);
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}
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public Rectangle GetTextBounds(Vector2 position, string text)
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{
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Bounds bounds = new Bounds();
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_fontSystem.TextBounds(position.X, position.Y, text, ref bounds);
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return new Rectangle((int)bounds.X, (int)bounds.Y, (int)(bounds.X2 - bounds.X), (int)(bounds.Y2 - bounds.Y));
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}
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public Rectangle GetTextBounds(Vector2 position, StringBuilder text)
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{
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Bounds bounds = new Bounds();
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_fontSystem.TextBounds(position.X, position.Y, text, ref bounds);
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return new Rectangle((int)bounds.X, (int)bounds.Y, (int)(bounds.X2 - bounds.X), (int)(bounds.Y2 - bounds.Y));
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}
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public List<Rectangle> GetGlyphRects(Vector2 position, string text){
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return _fontSystem.GetGlyphRects(position.X, position.Y, text);
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}
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public List<Rectangle> GetGlyphRects(Vector2 position, StringBuilder text){
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return _fontSystem.GetGlyphRects(position.X, position.Y, text);
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}
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public void Reset(int width, int height)
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{
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_fontSystem.Reset(width, height);
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}
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public void Reset()
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{
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_fontSystem.Reset();
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}
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public static DynamicSpriteFont FromTtf(byte[] ttf, int defaultSize, int textureWidth = 1024, int textureHeight = 1024, int blur = 0)
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{
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return new DynamicSpriteFont(ttf, defaultSize, textureWidth, textureHeight, blur);
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}
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public static DynamicSpriteFont FromTtf(Stream ttfStream, int defaultSize, int textureWidth = 1024, int textureHeight = 1024, int blur = 0)
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{
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return FromTtf(ttfStream.ToByteArray(), defaultSize, textureWidth, textureHeight, blur);
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}
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}
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}
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