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fpvectorial-eps: Further implementation of the image operator, not yet working

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git-svn-id: trunk@42159 -
This commit is contained in:
sekelsenmat 2013-07-20 16:07:24 +00:00
parent c11a7d82dc
commit 7b2d487b16
1 changed files with 14 additions and 4 deletions
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18
components/fpvectorial/epsvectorialreader.pas
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@ -1620,10 +1620,11 @@ function TvEPSVectorialReader.ExecutePaintingOperator(AToken: TExpressionToken;
var
Param1, Param2: TPSToken;
// image operator data
lFindIndex: Integer;
i, lFindIndex: Integer;
lDataSource, lImageDataStr: String;
lImageWidth, lImageHeight, lImageBitsPerComponent: Integer;
lImageData: array of Byte;
lImageDataPtr: PCardinal;
begin
Result := False;
@ -1698,9 +1699,18 @@ begin
if TDictionaryToken(Param1).Names.Find('ASCII85Decode', lFindIndex) then
begin
{SetLength(lImageData, Length(lImageDataStr));
for i := 1 to Length(lImageDataStr) do
lImageData[i-1] := Byte(lImageDataStr[i]);}
SetLength(lImageData, (Length(lImageDataStr)*4) div 5);
i := 1;
while i <= Length(lImageDataStr)-4 do
begin
lImageDataPtr := @(lImageData[(i-1)*4 div 5]);
lImageDataPtr^ := (Byte(lImageDataStr[i])-33)*85*85*85*85
+ (Byte(lImageDataStr[i+1])-33)*85*85*85 + (Byte(lImageDataStr[i+2])-33)*85*85
+ (Byte(lImageDataStr[i+3])-33)*85 + (Byte(lImageDataStr[i+4])-33);
Inc(i, 5);
end;
end;