public override MatchResult Matches(FileInfo file, Dictionary <Type, IFileCache> fileCaches, CancellationToken token)
{
BitmapFileCache cache = fileCaches[typeof(BitmapFileCache)] as BitmapFileCache;
if (cache == null || !cache.IsBitmap)
{
return(new MatchResult(MatchResultType.NotApplicable, "N/A"));
}
Bitmap bitmap = cache.Bitmap;
PositiveFraction val = new PositiveFraction((uint)bitmap.Width, (uint)bitmap.Height);
PositiveFraction paramVal = new PositiveFraction(m_Parameters.Width, m_Parameters.Height);
if (paramVal.Denominator == 0)
{
return(new MatchResult(MatchResultType.NotApplicable, "N/A"));
}
MatchResultType resultType = CompareUtil.Compare(val, m_Parameters.ComparisonType, paramVal);
return(new MatchResult(resultType, val.ToString()));
}
public static MatchResultType Compare(PositiveFraction value1, ComparisonType comparisonType, PositiveFraction value2)
{
switch (comparisonType)
{
case ComparisonType.LessThan:
return(value1 < value2 ? MatchResultType.Yes : MatchResultType.No);
case ComparisonType.LessThanOrEqualTo:
return(value1 <= value2 ? MatchResultType.Yes : MatchResultType.No);
case ComparisonType.EqualTo:
return(value1 == value2 ? MatchResultType.Yes : MatchResultType.No);
case ComparisonType.GreaterThanOrEqualTo:
return(value1 >= value2 ? MatchResultType.Yes : MatchResultType.No);
case ComparisonType.GreaterThan:
return(value1 > value2 ? MatchResultType.Yes : MatchResultType.No);
}
return(MatchResultType.Yes);
}