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TAChart: Fix function IncQuarter calculation error for negative NumberOfQuarters.

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This commit is contained in:
wp_xyz 2024-02-01 16:30:27 +01:00
parent e0f086d2e0
commit 59aff202e1
1 changed files with 1 additions and 7 deletions
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8
components/tachart/tachartutils.pas
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@ -510,14 +510,8 @@ begin
end;
function IncQuarter(ADate: TDateTime; NumberOfQuarters: Integer): TDate;
var
y, m, d: Word;
begin
DecodeDate(ADate, y,m,d);
m := (((m - 1) div 3) + NumberOfQuarters) * 3;
inc(y, m div 12);
m := m mod 12 + 1;
Result := EncodeDate(y, m, 1);
Result := IncMonth(ADate, NumberOfQuarters*3);
end;
function InterpolateRGB(AColor1, AColor2: Integer; ACoeff: Double): Integer;