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LCL: fixed wrong result of GetTextExtentExPoint() when string param is nil or empty an string.

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git-svn-id: trunk@36138 -
This commit is contained in:
zeljko 2012-03-17 20:46:08 +00:00
parent 065bc9485c
commit 55c2b15076
1 changed files with 7 additions and 1 deletions
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8
lcl/include/intfbasewinapi.inc
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@ -1108,9 +1108,15 @@ var
begin begin
// First obtain the size information which duplicates GetTextExtentPoint // First obtain the size information which duplicates GetTextExtentPoint
Result := GetTextExtentPoint(DC,Str,Count,Size); Result := GetTextExtentPoint(DC,Str,Count,Size);
// Now calculate MaxCount and PartialWidths // Now calculate MaxCount and PartialWidths
lPasStr := StrPas(Str); lPasStr := StrPas(Str);
if (Str = nil) or (Count <= 0) or (lPasStr = '') then
begin
Result := False;
if MaxCount <> nil then
MaxCount^ := 0;
exit;
end;
lPasStrLen := UTF8Length(lPasStr); lPasStrLen := UTF8Length(lPasStr);
for i := 1 to lPasStrLen do for i := 1 to lPasStrLen do
begin begin