public NxFont Load(string filePath, float height, float downSampleFactor, NxFontLoaderConfiguration loaderConfig)
{
if (loaderConfig == null)
{
throw new ArgumentNullException ("loaderConfig");
}
float fontScale;
TransformViewport? transToVp = NxFont.SetupTransformViewport (height, loaderConfig.TransformToCurrentOrthogProjection, loaderConfig.Transform, out fontScale);
var qfont = new NxFont();
var internalConfig = new QFontLoaderConfiguration();
var fontData = new QFontData ();
qfont.SetData (fontData);
QFontDataInformation fontInfo = null;
using (var fs = File.OpenRead (filePath))
{
fontInfo = fontData.LoadFromStream (fs);
}
var bitmapFiles = fontInfo.GenerateBitmapPageNames (filePath);
var bitmapPages = new List<NxBitmap> ();
foreach (var bitmapFileName in bitmapFiles)
{
// TODO : STREAM BASED REPLACEMENT
// https://support.microsoft.com/en-us/kb/814675
// GDI+ require the bitmap files to be locked as indexed image
// during the lifetime i.e. maybe reloaded from disk
using (var fs = File.OpenRead (bitmapFileName))
{
var parent = new Bitmap (fs);
var data = parent.LockBits (
new Rectangle(0,0, parent.Width, parent.Height)
,System.Drawing.Imaging.ImageLockMode.ReadWrite
,parent.PixelFormat);
var target = new QBitmapData (data);
var qb = new NxBitmap (parent, target);
bitmapPages.Add (qb);
}
}
var glyphList = fontData.InitialiseQFontData (fontInfo, ref bitmapPages, downSampleFactor, internalConfig);
if (loaderConfig.ShadowConfig != null)
{
qfont.DropShadow = Helper.BuildDropShadow<NxFont, NxBitmap> (
bitmapPages,
glyphList.ToArray (),
loaderConfig.ShadowConfig,
Helper.ToArray (fontInfo.CharSet),
internalConfig.KerningConfig.alphaEmptyPixelTolerance);
}
fontData.InitialiseKerningPairs (fontInfo, bitmapPages, glyphList, internalConfig);
if (loaderConfig.ShadowConfig != null)
qfont.Options.DropShadowActive = true;
if (transToVp != null)
qfont.Options.TransformToViewport = transToVp;
qfont.InitialiseGlyphRenderer(loaderConfig.CharacterOutput, loaderConfig.FontGlyphRenderer, loaderConfig.DropShadowRenderer);
return qfont;
}
