/// <summary>
/// Gets a string format with specified settings.
/// </summary>
/// <param name="align">Text alignment information on the vertical plane.</param>
/// <param name="lineAlign">Line alignment on the horizontal plane.</param>
/// <param name="trimming"><b>StringTrimming</b> enumeration.</param>
/// <param name="flags"><b>StringFormatFlags</b> enumeration that contains formatting information.</param>
/// <param name="firstTab">The number of spaces between the beginning of a line of text and the first tab stop.</param>
/// <param name="tabWidth">Distance between tab stops.</param>
/// <param name="defaultTab">Default distance between default tabs stops.</param>
/// <returns>The <b>StringFormat</b> object.</returns>
public StringFormat GetStringFormat(StringAlignment align, StringAlignment lineAlign,
StringTrimming trimming, StringFormatFlags flags, float firstTab, FloatCollection tabWidth,
float defaultTab)
{
int hash = align.GetHashCode() ^ (lineAlign.GetHashCode() << 2) ^ (trimming.GetHashCode() << 5) ^
(flags.GetHashCode() << 16) ^ (100 - firstTab).GetHashCode() ^ tabWidth.GetHashCode();
StringFormat result = stringFormats[hash] as StringFormat;
if (result == null)
{
result = new StringFormat();
result.Alignment = align;
result.LineAlignment = lineAlign;
result.Trimming = trimming;
result.FormatFlags = flags;
float[] tabStops = new float[64];
// fixed issue 2823
tabStops[0] = firstTab;
for (int i = 1; i < 64; i++)
{
if (i > tabWidth.Count)
{
tabStops[i] = defaultTab;
continue;
}
tabStops[i] = tabWidth[i - 1];
}
result.SetTabStops(0, tabStops);
stringFormats[hash] = result;
}
return(result);
}
private int ComputeHash()
{
unchecked
{
int hash = 27;
hash = hash * 486187739 + Trimming.GetHashCode();
hash = hash * 486187739 + Alignment.GetHashCode();
hash = hash * 486187739 + LineAlignment.GetHashCode();
hash = hash * 486187739 + Flags.GetHashCode();
return(hash);
}
}
/// <summary>
/// Gets a string format with specified settings.
/// </summary>
/// <param name="align">Text alignment information on the vertical plane.</param>
/// <param name="lineAlign">Line alignment on the horizontal plane.</param>
/// <param name="trimming"><b>StringTrimming</b> enumeration.</param>
/// <param name="flags"><b>StringFormatFlags</b> enumeration that contains formatting information.</param>
/// <param name="firstTab">The number of spaces between the beginning of a line of text and the first tab stop.</param>
/// <param name="tabWidth">Distance between tab stops.</param>
/// <returns>The <b>StringFormat</b> object.</returns>
public StringFormat GetStringFormat(StringAlignment align, StringAlignment lineAlign,
StringTrimming trimming, StringFormatFlags flags, float firstTab, float tabWidth)
{
int hash = align.GetHashCode() ^ (lineAlign.GetHashCode() << 2) ^ (trimming.GetHashCode() << 5) ^
(flags.GetHashCode() << 16) ^ (100 - firstTab).GetHashCode() ^ tabWidth.GetHashCode();
StringFormat result = FStringFormats[hash] as StringFormat;
if (result == null)
{
result = new StringFormat();
result.Alignment = align;
result.LineAlignment = lineAlign;
result.Trimming = trimming;
result.FormatFlags = flags;
float[] tabStops = new float[64];
for (int i = 0; i < 64; i++)
{
tabStops[i] = i == 0 ? firstTab : tabWidth;
}
result.SetTabStops(0, tabStops);
FStringFormats[hash] = result;
}
return(result);
}