internal void SetValue( Source[] sources, Hashtable sourceIndex, ValueFormatter vFormat )
{
try
{
double val = sources[ (int) sourceIndex[sourceName] ].GetAggregate( aggregate );
double oldBase = vFormat.Base;
if (baseValue != -1)
vFormat.SetBase(baseValue);
vFormat.SetFormat( val, numDec, strLen );
vFormat.SetScaling( normalScale, uniformScale );
string valueStr = vFormat.FormattedValue;
string prefix = vFormat.Prefix;
// Replace all values
for (int i = 0; i < oList.Count; i += 2 )
{
string str = (string) oList[i];
str = VALUE_PATTERN.Replace(str, valueStr);
str = str.Replace(VALUE_MARKER, valueStr);
if ( normalScale ) str = str.Replace(SCALE_MARKER, prefix);
if ( uniformScale ) str = str.Replace(UNIFORM_SCALE_MARKER, prefix);
oList[i] = str ;
}
if (baseValue != -1)
vFormat.SetBase(oldBase);
}
catch (Exception)
{
throw new RrdException( "Could not find datasource: " + sourceName );
}
}
internal Grapher( RrdGraphDef graphDef, RrdGraph rrdGraph )
{
this.graphDef = graphDef;
this.rrdGraph = rrdGraph;
// Set font dimension specifics
if ( graphDef.DefaultFont != null )
normal_font = graphDef.DefaultFont;
if ( graphDef.TitleFont != null )
title_font = graphDef.TitleFont;
normalFontColor = graphDef.DefaultFontColor;
nfont_height = (int) normal_font.GetHeight();
// MONO FIX: Font.GetHeight() always returns 0 on mono 1.0
if (nfont_height == 0) nfont_height = (int)normal_font.Size;
nfont_width = nfont_height / 2+1 ;
sf = StringFormat.GenericDefault;
sf.FormatFlags = StringFormatFlags.MeasureTrailingSpaces;
// Bold font is higher
tfont_height = (int) title_font.GetHeight();
// MONO FIX: Font.GetHeight() always returns 0 on mono 1.0
if (tfont_height == 0) tfont_height = (int)title_font.Size;
tfont_width = tfont_height / 2 +1;
// Create the shared valueformatter
valueFormat = new ValueFormatter( graphDef.BaseValue, graphDef.ScaleIndex );
// Set default graph stroke
defaultPen = new Pen(Color.Black);
dashPen = new Pen(Color.Black, 1);
defaultBrush = new SolidBrush(Color.White);
}
