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Location: alysbrooks-public/games/isometric-park-fna/SpriteFontPlus/deps/BMFontToSpriteFont/Cyotek.Drawing.Bitmap/BitmapFontLoader.cs - annotation

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Commit Description:
Add issue.
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r707:2232128d52fb m7-leisure
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SpriteFontPlus/deps/BMFontToSpriteFont/Cyotek.Drawing.Bitmap/BitmapFontLoader.cs
343 lines | 9.2 KiB | text/x-csharp | CSharpLexer
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alys
Early working version (including all dependencies, lol).
 r0 /* AngelCode bitmap font parsing using C#
* http://www.cyotek.com/blog/angelcode-bitmap-font-parsing-using-csharp
*
* Copyright © 2012-2015 Cyotek Ltd.
*
* Licensed under the MIT License. See license.txt for the full text.
*/
using System;
using System.Collections.Generic;
using System.IO;
#if !XENKO
using Microsoft.Xna.Framework;
#else
using Xenko.Core.Mathematics;
#endif
namespace Cyotek.Drawing.BitmapFont
{
/// <summary>
/// Parsing class for bitmap fonts generated by AngelCode BMFont
/// </summary>
internal static class BitmapFontLoader
{
#region Static Methods
/// <summary>
/// Loads a bitmap font from a file, attempting to auto detect the file type
/// </summary>
/// <exception cref="ArgumentNullException">Thrown when one or more required arguments are null.</exception>
/// <exception cref="FileNotFoundException">Thrown when the requested file is not present.</exception>
/// <exception cref="InvalidDataException">Thrown when an Invalid Data error condition occurs.</exception>
/// <param name="fileName">Name of the file to load.</param>
/// <returns>
/// A <see cref="BitmapFont" /> containing the loaded data.
/// </returns>
public static BitmapFont LoadFontFromFile(string fileName)
{
BitmapFont result;
if (string.IsNullOrEmpty(fileName)) throw new ArgumentNullException("fileName", "File name not specified");
if (!File.Exists(fileName))
throw new FileNotFoundException(string.Format("Cannot find file '{0}'", fileName), fileName);
using (var file = File.OpenRead(fileName))
{
using (TextReader reader = new StreamReader(file))
{
string line;
line = reader.ReadLine();
if (line.StartsWith("info "))
result = LoadFontFromTextFile(fileName);
else if (line.StartsWith("<?xml"))
result = LoadFontFromXmlFile(fileName);
else
throw new InvalidDataException("Unknown file format.");
}
}
return result;
}
/// <summary>
/// Loads a bitmap font from a file containing font data in text format.
/// </summary>
/// <exception cref="ArgumentNullException">Thrown when one or more required arguments are null.</exception>
/// <exception cref="FileNotFoundException">Thrown when the requested file is not present.</exception>
/// <param name="fileName">Name of the file to load.</param>
/// <returns>
/// A <see cref="BitmapFont" /> containing the loaded data.
/// </returns>
public static BitmapFont LoadFontFromTextFile(string fileName)
{
BitmapFont font;
if (string.IsNullOrEmpty(fileName)) throw new ArgumentNullException("fileName");
if (!File.Exists(fileName))
throw new FileNotFoundException(string.Format("Cannot find file '{0}'", fileName), fileName);
font = new BitmapFont();
using (Stream stream = File.OpenRead(fileName))
{
font.LoadText(stream);
}
QualifyResourcePaths(font, Path.GetDirectoryName(fileName));
return font;
}
/// <summary>
/// Loads a bitmap font from a file containing font data in XML format.
/// </summary>
/// <exception cref="ArgumentNullException">Thrown when one or more required arguments are null.</exception>
/// <exception cref="FileNotFoundException">Thrown when the requested file is not present.</exception>
/// <param name="fileName">Name of the file to load.</param>
/// <returns>
/// A <see cref="BitmapFont" /> containing the loaded data.
/// </returns>
public static BitmapFont LoadFontFromXmlFile(string fileName)
{
BitmapFont font;
if (string.IsNullOrEmpty(fileName)) throw new ArgumentNullException("fileName");
if (!File.Exists(fileName))
throw new FileNotFoundException(string.Format("Cannot find file '{0}'", fileName), fileName);
font = new BitmapFont();
using (Stream stream = File.OpenRead(fileName))
{
font.LoadXml(stream);
}
QualifyResourcePaths(font, Path.GetDirectoryName(fileName));
return font;
}
/// <summary>
/// Returns a boolean from an array of name/value pairs.
/// </summary>
/// <param name="parts">The array of parts.</param>
/// <param name="name">The name of the value to return.</param>
/// <param name="defaultValue">Default value(if the key doesnt exist or can't be parsed)</param>
/// <returns></returns>
internal static bool GetNamedBool(string[] parts, string name, bool defaultValue = false)
{
var s = GetNamedString(parts, name);
bool result;
int v;
if (int.TryParse(s, out v))
result = v > 0;
else
result = defaultValue;
return result;
}
/// <summary>
/// Returns an integer from an array of name/value pairs.
/// </summary>
/// <param name="parts">The array of parts.</param>
/// <param name="name">The name of the value to return.</param>
/// <param name="defaultValue">Default value(if the key doesnt exist or can't be parsed)</param>
/// <returns></returns>
internal static int GetNamedInt(string[] parts, string name, int defaultValue = 0)
{
var s = GetNamedString(parts, name);
int result;
if (!int.TryParse(s, out result)) result = defaultValue;
return result;
}
/// <summary>
/// Returns a string from an array of name/value pairs.
/// </summary>
/// <param name="parts">The array of parts.</param>
/// <param name="name">The name of the value to return.</param>
/// <returns></returns>
internal static string GetNamedString(string[] parts, string name)
{
string result;
result = string.Empty;
foreach (var part in parts)
{
int nameEndIndex;
nameEndIndex = part.IndexOf('=');
if (nameEndIndex != -1)
{
string namePart;
string valuePart;
namePart = part.Substring(0, nameEndIndex);
valuePart = part.Substring(nameEndIndex + 1);
if (string.Equals(name, namePart, StringComparison.OrdinalIgnoreCase))
{
int length;
length = valuePart.Length;
if (length > 1 && valuePart[0] == '"' && valuePart[length - 1] == '"')
valuePart = valuePart.Substring(1, length - 2);
result = valuePart;
break;
}
}
}
return result;
}
/// <summary>
/// Creates a Padding object from a string representation
/// </summary>
/// <param name="s">The string.</param>
/// <returns></returns>
internal static Padding ParsePadding(string s)
{
string[] parts;
parts = s.Split(',');
return new Padding
{
Left = Convert.ToInt32(parts[3].Trim()),
Top = Convert.ToInt32(parts[0].Trim()),
Right = Convert.ToInt32(parts[1].Trim()),
Bottom = Convert.ToInt32(parts[2].Trim())
};
}
/// <summary>
/// Creates a Point object from a string representation
/// </summary>
/// <param name="s">The string.</param>
/// <returns></returns>
internal static Point ParsePoint(string s)
{
string[] parts;
parts = s.Split(',');
return new Point
{
X = Convert.ToInt32(parts[0].Trim()),
Y = Convert.ToInt32(parts[1].Trim())
};
}
/// <summary>
/// Updates <see cref="Page" /> data with a fully qualified path
/// </summary>
/// <param name="font">The <see cref="BitmapFont" /> to update.</param>
/// <param name="resourcePath">The path where texture resources are located.</param>
internal static void QualifyResourcePaths(BitmapFont font, string resourcePath)
{
Page[] pages;
pages = font.Pages;
for (var i = 0; i < pages.Length; i++)
{
Page page;
page = pages[i];
page.FileName = Path.Combine(resourcePath, page.FileName);
pages[i] = page;
}
font.Pages = pages;
}
/// <summary>
/// Splits the specified string using a given delimiter, ignoring any instances of the delimiter as part of a quoted
/// string.
/// </summary>
/// <param name="s">The string to split.</param>
/// <param name="delimiter">The delimiter.</param>
/// <returns></returns>
internal static string[] Split(string s, char delimiter)
{
string[] results;
if (s.IndexOf('"') != -1)
{
List<string> parts;
int partStart;
partStart = -1;
parts = new List<string>();
do
{
int partEnd;
int quoteStart;
int quoteEnd;
bool hasQuotes;
quoteStart = s.IndexOf('"', partStart + 1);
quoteEnd = s.IndexOf('"', quoteStart + 1);
partEnd = s.IndexOf(delimiter, partStart + 1);
if (partEnd == -1) partEnd = s.Length;
hasQuotes = quoteStart != -1 && partEnd > quoteStart && partEnd < quoteEnd;
if (hasQuotes) partEnd = s.IndexOf(delimiter, quoteEnd + 1);
parts.Add(s.Substring(partStart + 1, partEnd - partStart - 1));
if (hasQuotes) partStart = partEnd - 1;
partStart = s.IndexOf(delimiter, partStart + 1);
} while (partStart != -1);
results = parts.ToArray();
}
else
{
results = s.Split(new[]
{
delimiter
}, StringSplitOptions.RemoveEmptyEntries);
}
return results;
}
/// <summary>
/// Converts the given collection into an array
/// </summary>
/// <typeparam name="T">Type of the items in the array</typeparam>
/// <param name="values">The values.</param>
/// <returns></returns>
internal static T[] ToArray<T>(ICollection<T> values)
{
T[] result;
// avoid a forced .NET 3 dependency just for one call to Linq
result = new T[values.Count];
values.CopyTo(result, 0);
return result;
}
#endregion
}
}