NativeFont ResolveForNativeFont(ActualFont actualFont)
{
NativeFont nativeFont;
FontFace fontface = actualFont.FontFace;
FontKey key = new FontKey(fontface.Name, actualFont.SizeInPoints, FontStyle.Regular);
if (specificFontSize.TryGetValue(key, out nativeFont))
{
return nativeFont;
}
//-----------------------------
//not native font
//if we need to use hardbuzz then
//create a native one for use
FontFace nativeFontFace;
if (!nativeFontFaces.TryGetValue(fontface.Name, out nativeFontFace))
{
//create new
nativeFontFace = FreeTypeFontLoader.LoadFont(fontface.FontPath, "en", HBDirection.HB_DIRECTION_LTR);
nativeFontFaces.Add(fontface.Name, nativeFontFace);
}
//check if we have native fontface for this font?
nativeFont = (NativeFont)nativeFontFace.GetFontAtPointsSize(actualFont.SizeInPoints);
specificFontSize.Add(key, nativeFont);
return nativeFont;
}
public RequestFont(string facename, float fontSizeInPts, FontStyle style = FontStyle.Regular)
{
HBDirection = Fonts.HBDirection.HB_DIRECTION_LTR;//default
ScriptCode = HBScriptCode.HB_SCRIPT_LATIN;//default
Lang = "en";//default
Name = facename;
SizeInPoints = fontSizeInPts;
Style = style;
fontKey = new FontKey(facename, fontSizeInPts, style);
//temp fix
//we need font height***
//this.Height = SizeInPixels;
}
public ActualFont LoadFont(string fontName, float fontSizeInPoints)
{
//find install font from fontname
InstalledFont found = GLES2PlatformFontMx.GetInstalledFont(fontName, InstalledFontStyle.Regular);
if (found == null)
{
return null;
}
FontFace fontFace;
if (!fonts.TryGetValue(found, out fontFace))
{
fontFace = FreeTypeFontLoader.LoadFont(found,
GLES2PlatformFontMx.defaultLang,
GLES2PlatformFontMx.defaultHbDirection,
GLES2PlatformFontMx.defaultScriptCode);
if (fontFace == null)
{
throw new NotSupportedException();
}
fonts.Add(found, fontFace);//register
}
//-----------
//create font at specific size from this fontface
FontKey fontKey = new FontKey(fontName, fontSizeInPoints, FontStyle.Regular);
ActualFont createdFont;
if (!registerFonts.TryGetValue(fontKey, out createdFont))
{
createdFont = fontFace.GetFontAtPointsSize(fontSizeInPoints);
}
//-----------
return createdFont;
}
public FontFaceKey(FontKey fontKey)
{
this.FontNameIndex = fontKey.FontNameIndex;
this.FontStyle = fontKey.FontStyle;
}
