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TAChart: Fix division by zero in TZoomClickTool

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git-svn-id: trunk@29749 -
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ask 2011-03-08 09:19:20 +00:00
parent d378e66c95
commit ae4239028a
1 changed files with 1 additions and 1 deletions
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2
components/tachart/tatools.pas
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@ -922,7 +922,7 @@ var
sz, center, ratio, zoom: TDoublePoint;
ext: TDoubleRect;
begin
if ZoomFactor <= 0 then exit;
if (ZoomFactor <= 0) or (ZoomRatio <= 0) then exit;
ext := FChart.LogicalExtent;
center := FChart.ImageToGraph(APoint);
sz := ext.b - ext.a;