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TAChart: Protect the usage of Infinity from the R+/O+ checks. This should fix issue #18018

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git-svn-id: trunk@28525 -
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ask 2010-11-28 12:24:01 +00:00
parent d2270984f3
commit afcd16b76c
1 changed files with 5 additions and 0 deletions
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5
components/tachart/tafuncseries.pas
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@ -135,6 +135,9 @@ implementation
uses
Math, SysUtils, TAGraph;
{$IFOPT R+}{$DEFINE RangeChecking}{$ELSE}{$UNDEF RangeChecking}{$ENDIF}
{$IFOPT Q+}{$DEFINE OverflowChecking}{$ELSE}{$UNDEF OverflowChecking}{$ENDIF}
{ TBasicFuncSeries }
procedure TBasicFuncSeries.AfterAdd;
@ -285,7 +288,9 @@ var
v1, v2: Double;
begin
if ColorSource = nil then exit(clTAColor);
{$R-}{$Q-}
ColorSource.FindBounds(AValue, Infinity, lb, ub);
{$IFDEF OverflowChecking}{$Q+}{$ENDIF}{$IFDEF RangeChecking}{$R+}{$ENDIF}
if Interpolate and InRange(lb, 1, ColorSource.Count - 1) then begin
with ColorSource[lb - 1]^ do begin
v1 := X;