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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace SpriteFontPlus
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{
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public class TtfFontBakerResult
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{
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public Dictionary<int, GlyphInfo> Glyphs
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{
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get; private set;
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}
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public float FontFontPixelHeight
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{
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get; private set;
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}
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public byte[] Pixels
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{
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get; private set;
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}
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public int Width
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{
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get; private set;
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}
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public int Height
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{
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get; private set;
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}
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public TtfFontBakerResult(Dictionary<int, GlyphInfo> glyphs,
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float fontPixelHeight,
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byte[] pixels,
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int width,
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int height)
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{
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if (glyphs == null)
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{
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throw new ArgumentNullException(nameof(glyphs));
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}
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if (fontPixelHeight <= 0)
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{
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throw new ArgumentOutOfRangeException(nameof(fontPixelHeight));
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}
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if (pixels == null)
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{
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throw new ArgumentNullException(nameof(pixels));
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}
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if (width <= 0)
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{
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throw new ArgumentOutOfRangeException(nameof(width));
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}
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if (height <= 0)
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{
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throw new ArgumentOutOfRangeException(nameof(height));
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}
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if (pixels.Length < width * height)
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{
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throw new ArgumentException("pixels.Length should be higher than width * height");
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}
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Glyphs = glyphs;
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FontFontPixelHeight = fontPixelHeight;
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Pixels = pixels;
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Width = width;
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Height = height;
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}
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public SpriteFont CreateSpriteFont(GraphicsDevice graphicsDevice)
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{
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var rgb = new Color[Width * Height];
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for (var i = 0; i < Pixels.Length; ++i)
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{
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var b = Pixels[i];
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rgb[i].R = b;
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rgb[i].G = b;
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rgb[i].B = b;
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rgb[i].A = b;
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}
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var texture = new Texture2D(graphicsDevice, Width, Height);
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texture.SetData(rgb);
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var glyphBounds = new List<Rectangle>();
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var cropping = new List<Rectangle>();
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var chars = new List<char>();
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var kerning = new List<Vector3>();
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var orderedKeys = Glyphs.Keys.OrderBy(a => a);
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foreach (var key in orderedKeys)
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{
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var character = Glyphs[key];
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var bounds = new Rectangle(character.X, character.Y,
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character.Width,
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character.Height);
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glyphBounds.Add(bounds);
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cropping.Add(new Rectangle((int)character.XOffset,
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character.YOffset,
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bounds.Width, bounds.Height));
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chars.Add((char)key);
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kerning.Add(new Vector3(0, bounds.Width, character.XAdvance - bounds.Width));
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}
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var constructorInfo = typeof(SpriteFont).GetTypeInfo().DeclaredConstructors.First();
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var font = (SpriteFont)constructorInfo.Invoke(new object[]
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{
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texture, glyphBounds, cropping,
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chars, (int)FontFontPixelHeight, 0, kerning, ' '
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});
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return font;
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}
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}
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}
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