/// <summary>
/// Retrieves a <see cref="FontAsset"/>, creating it if necessary.
/// </summary>
/// <param name="fontFamily">The font family to use for the text.</param>
/// <param name="fontSize">The size of the desired font.</param>
/// <returns>A <see cref="FontAsset"/> object.</returns>
public FontAsset GetFont(string fontFamily, float fontSize)
{
// Get the actual font file resource for this family
FontFamily family = FontManager.GetFontFamily(fontFamily);
if (family == null)
{
ServiceRegistration.Get <ILogger>().Warn("ContentManager: Could not get FontFamily '{0}', using default", fontFamily);
family = FontManager.GetFontFamily(FontManager.DefaultFontFamily);
if (family == null)
{
return(null);
}
}
// Round down font size
int baseSize = (int)Math.Ceiling(fontSize * SkinContext.MaxZoomHeight);
// If this function is called before the window is openned we get 0
if (baseSize == 0)
{
baseSize = (int)fontSize;
}
// Generate the asset key we'll use to store this font
string key = family.Name + "::" + baseSize;
return(GetCreateAsset(AssetType.Font, key,
assetCore => new FontAsset(assetCore as FontAssetCore),
() => new FontAssetCore(family, baseSize, FontManager.DefaultDPI)) as FontAsset);
}
/// <summary>
/// Sets the font manager up with the specified <paramref name="resourcesCollection"/>.
/// This method will load the font defaults (family and size) and the font files from the
/// resource collection.
/// </summary>
public static void Load(IResourceAccessor resourcesCollection)
{
Unload();
string defaultFontFilePath = resourcesCollection.GetResourceFilePath(
SkinResources.FONTS_DIRECTORY + Path.DirectorySeparatorChar + DEFAULT_FONT_FILE);
XPathDocument doc = new XPathDocument(defaultFontFilePath);
XPathNavigator nav = doc.CreateNavigator();
nav.MoveToChild(XPathNodeType.Element);
_defaultFontFamily = nav.GetAttribute("FontFamily", string.Empty);
string defaultFontSize = nav.GetAttribute("FontSize", string.Empty);
_defaultFontSize = int.Parse(defaultFontSize);
// Iterate over font family descriptors
foreach (string descriptorFilePath in resourcesCollection.GetResourceFilePaths(
"^" + SkinResources.FONTS_DIRECTORY + "\\\\.*\\.desc$").Values)
{
doc = new XPathDocument(descriptorFilePath);
nav = doc.CreateNavigator();
nav.MoveToChild(XPathNodeType.Element);
string familyName = nav.GetAttribute("Name", string.Empty);
if (string.IsNullOrEmpty(familyName))
throw new ArgumentException("FontManager: Failed to parse family name for font descriptor file '{0}'", descriptorFilePath);
string ttfFile = nav.GetAttribute("Ttf", string.Empty);
if (string.IsNullOrEmpty(ttfFile))
throw new ArgumentException("FontManager: Failed to parse ttf name for font descriptor file '{0}'", descriptorFilePath);
string fontFilePath = resourcesCollection.GetResourceFilePath(
SkinResources.FONTS_DIRECTORY + Path.DirectorySeparatorChar + ttfFile);
FontFamily family = new FontFamily(familyName, fontFilePath);
_families[familyName] = family;
}
}
