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* Fix to correctly write gray values from Johann (Bug ID 27924)

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git-svn-id: trunk@30696 -
This commit is contained in:
michael 2015-04-21 17:55:52 +00:00
parent 49f3473735
commit e86aa04433
1 changed files with 2 additions and 2 deletions
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4
packages/fcl-image/src/fpwritepng.pp
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@ -475,13 +475,13 @@ end;
function TFPWriterPNG.ColorDataGrayAB(color:TFPColor) : TColorData;
begin
result := ColorDataGrayB (color);
result := (result shl 8) and hi(color.Alpha);
result := (color.Alpha and $ff00) or result;
end;
function TFPWriterPNG.ColorDataGrayAW(color:TFPColor) : TColorData;
begin
result := ColorDataGrayW (color);
result := (result shl 16) and color.Alpha;
result := (color.Alpha shl 16) or result;
end;
function TFPWriterPNG.ColorDataColorB(color:TFPColor) : TColorData;