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| {Copy interlaced images with 1 byte for R, G, B}
procedure TChunkIDAT.CopyInterlacedRGB8(const Pass: Byte;
Src, Dest, Trans{$IFDEF Store16bits}, Extra{$ENDIF}: pChar);
var
Col: Integer;
begin
{Get first column and enter in loop}
Col := ColumnStart[Pass];
Dest := pChar(Longint(Dest) + Col * 3);
repeat
{Copy this row}
ici --> Byte(Dest^) := fOwner.GammaTable[pByte(Longint(Src) + 2)^]; inc(Dest);
Byte(Dest^) := fOwner.GammaTable[pByte(Longint(Src) + 1)^]; inc(Dest);
Byte(Dest^) := fOwner.GammaTable[pByte(Longint(Src) )^]; inc(Dest);
{Move to next column}
inc(Src, 3);
inc(Dest, ColumnIncrement[Pass] * 3 - 3);
inc(Col, ColumnIncrement[Pass]);
until Col >= ImageWidth;
end; |
