/// <summary>
/// Writes a single Character to the display buffer.
/// </summary>
/// <returns>The char buff.</returns>
/// <param name="font">Font.</param>
/// <param name="Chr">Chr.</param>
/// <param name="Row">Row.</param>
/// <param name="Col">Col.</param>
public uint WriteCharBuff(IFont font, Char Chr, UInt32 Row, UInt32 Col)
{
if (Chr == ' ')
{
return(font.CharSpacing);
}
var fontinfo = font.GetChar(Chr);
UInt32 StartCol = Col;
UInt32 EndCol = StartCol + fontinfo.Columns - 1;
for (var index = fontinfo.IndexFrom; index <= fontinfo.IndexTo; index++)
{
if (Col < ScreenWidthPX && Row < ScreenPages)
{
DisplayBuffer[Row, Col] = font.Data[index];
}
if (++Col > EndCol)
{
Col = StartCol;
Row++;
}
}
return(fontinfo.Columns);
}
/// <summary>
/// Gets the Column Width (px) for the given text.
/// </summary>
/// <returns>The column width.</returns>
/// <param name="font">Font.</param>
/// <param name="Text">Text.</param>
/// <param name="MaxWidthToFill">Max width to fill.</param>
public uint CalculateColumnWidth(IFont font, String Text, uint MaxWidthToFill)
{
uint Col = 0;
foreach (Char Chr in Text)
{
if (Chr == ' ')
{
Col += font.CharSpacing;
}
else
{
var fontinfo = font.GetChar(Chr);
Col += fontinfo.Columns;
if (Col > MaxWidthToFill)
{
return(0);
}
}
}
return(Col);
}