private static void PutFontNamesToCache(FontCacheKey key, FontProgramDescriptor descriptor)
{
if (descriptor != null)
{
fontNamesCache.Put(key, descriptor);
}
}
/// <summary>
/// Equality (typed).
/// </summary>
public bool Equals(FontCacheKey other)
{
return(family == other.family &&
script == other.script &&
size == other.size &&
style == other.style);
}
internal static iText.Layout.Font.FontInfo Create(byte[] fontProgram, String encoding, String alias)
{
FontCacheKey cacheKey = FontCacheKey.Create(fontProgram);
FontProgramDescriptor descriptor = GetFontNamesFromCache(cacheKey);
if (descriptor == null)
{
descriptor = FontProgramDescriptorFactory.FetchDescriptor(fontProgram);
PutFontNamesToCache(cacheKey, descriptor);
}
return(descriptor != null ? new iText.Layout.Font.FontInfo(null, fontProgram, encoding, descriptor, alias)
: null);
}
/// <summary>
/// Gets the font with the desired parameters for measuring or drawing text. Works from cache.
/// </summary>
private static FontTray getFont(IdeoFamily fam, IdeoScript script, float size, FontStyle style)
{
// If font's already in cache, great: use that.
FontCacheKey fck = new FontCacheKey(fam, script, size, style);
if (fontCache.ContainsKey(fck))
{
return(fontCache[fck]);
}
// First time someone request a font like this. Instantiate and cache it.
FontTray ftray = createFont(fam, script, size, style);
fontCache[fck] = ftray;
return(ftray);
}
internal Gdi32Font(FontCacheKey fontCacheKey)
{
Key = fontCacheKey;
lock (FontCache)
{
if (!FontCache.TryGetValue(Key, out SharedObject sharedObject))
{
sharedObject = new SharedObject(Key.FaceName, Key.Height, Key.Weight, Key.Italic, Key.Underline, Key.StrikeOut, Key.CharSet, Key.FontQuality);
FontCache[Key] = sharedObject;
}
_SharedFont = sharedObject;
Logfont = _SharedFont.Logfont;
_SharedFont.ReferenceCount++;
}
}
/// <summary>
/// Equality (typed).
/// </summary>
public bool Equals(FontCacheKey other)
{
return family == other.family &&
script == other.script &&
size == other.size &&
style == other.style;
}
/// <summary>
/// Gets the font with the desired parameters for measuring or drawing text. Works from cache.
/// </summary>
private static FontTray getFont(IdeoFamily fam, IdeoScript script, float size, FontStyle style)
{
// If font's already in cache, great: use that.
FontCacheKey fck = new FontCacheKey(fam, script, size, style);
if (fontCache.ContainsKey(fck)) return fontCache[fck];
// First time someone request a font like this. Instantiate and cache it.
FontTray ftray = createFont(fam, script, size, style);
fontCache[fck] = ftray;
return ftray;
}
private static FontProgramDescriptor GetFontNamesFromCache(FontCacheKey key)
{
return(fontNamesCache.Get(key));
}
