public CodeFactory(FontFile fontFile)
{
this.FontFile = fontFile;
}
public async Task <FontFile> Import()
{
FontFile returnValue = new FontFile();
returnValue.Items = new List <Glyph>();
IList <string> lines = await FileIO.ReadLinesAsync(this.File);
bool readingBitmapBytes = false;
bool readingGlyphs = false;
StringBuilder hexString = new StringBuilder();
int asc = 0x20;
foreach (string line in lines)
{
if (!readingBitmapBytes && line.Contains("const uint8_t") && line.Contains("PROGMEM = {"))
{
readingBitmapBytes = true;
}
else if (readingBitmapBytes)
{
if (line.Contains("};"))
{
readingBitmapBytes = false;
}
else if (!line.StartsWith("#"))
{
if (line.Contains("/*"))
{
int pos = line.IndexOf("/*");
hexString.Append(line.Substring(0, pos).Trim());
}
else
{
hexString.Append(line.Trim());
}
}
}
else if (!readingGlyphs && line.Contains("const GFXglyph") && line.Contains("PROGMEM = {"))
{
readingGlyphs = true;
}
else if (readingGlyphs)
{
if (line.Contains("};"))
{
readingGlyphs = false;
}
else if (!String.IsNullOrEmpty(line) && !line.StartsWith("#"))
{
int startPos = line.IndexOf("{");
int endPos = line.IndexOf("}");
string stringValue = line.Substring(startPos + 1, endPos - startPos - 1);
string[] values = stringValue.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
char c = Convert.ToChar(asc);
Glyph glyph = new Glyph()
{
Key = Convert.ToString(c),
BitmapOffset = Convert.ToInt32(values[0]),
Width = Convert.ToInt32(values[1]),
Height = Convert.ToInt32(values[2]),
xAdvance = Convert.ToInt32(values[3]),
xOffset = Convert.ToInt32(values[4]),
yOffset = Convert.ToInt32(values[5]),
AsciiCode = asc
};
((IList <Glyph>)returnValue.Items).Add(glyph);
asc++;
}
}
}
// ***
// *** Convert the bitmap array.
// ***
byte[] bitmapArray = this.ConvertHexString(hexString.ToString());
// ***
// *** Check the byte array count.
// ***
int expectedByteCount = returnValue.Items.Sum(t => t.Height);
if (expectedByteCount == bitmapArray.Count())
{
foreach (Glyph glyph in returnValue.Items)
{
glyph.FontBitmap.AddRange(bitmapArray.Skip(glyph.BitmapOffset).Take(glyph.Height));
}
}
returnValue.FontWidth = returnValue.Items.Max(t => t.Width);
returnValue.FontHeight = returnValue.Items.Max(t => t.Height);
return(returnValue);
}
