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fpspreadsheet: Fix worksheetgrid crashing when drawing cell borders due to range overflow when frozencols = 0 or frozenrows = 0.

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8603 8e941d3f-bd1b-0410-a28a-d453659cc2b4
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wp_xxyyzz
2022-11-10 18:04:44 +00:00
parent f004e0c047
commit d2467e166d
1 changed files with 6 additions and 6 deletions
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12
components/fpspreadsheet/source/visual/fpspreadsheetgrid.pas
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@ -2533,21 +2533,21 @@ begin
end;
1: begin
sr1 := 0;
sr2 := FFrozenRows - 1;
sc1 := FFrozenCols - 1;
if FFrozenRows = 0 then sr2 := 0 else sr2 := FFrozenRows - 1;
if FFrozenCols = 0 then sc1 := 0 else sc1 := FFrozenCols - 1;
sc2 := GetWorksheetCol(GCache.VisibleGrid.Right);
end;
2: begin
sc1 := 0;
sc2 := FFrozenCols - 1;
sr1 := FFrozenRows - 1;
if FFrozenCols = 0 then sc2 := 0 else sc2 := FFrozenCols - 1;
if FFrozenRows = 0 then sr1 := 0 else sr1 := FFrozenRows - 1;
sr2 := GetWorksheetRow(GCache.VisibleGrid.Bottom);
end;
3: begin
sc1 := 0;
sc2 := FFrozenCols - 1;
if FFrozenCols = 0 then sc2 := 0 else sc2 := FFrozenCols - 1;
sr1 := 0;
sr2 := FFrozenRows - 1;
if FFrozenRows = 0 then sr2 := 0 else sr2 := FFrozenRows - 1;
end;
end;
if sr1 = UNASSIGNED_ROW_COL_INDEX then sr1 := 0;