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Bugfix: Implimentation of JpegBlob and AltJpeg methods 

Implimentation of JpegBlob and AltJpeg methods in C4::Creators::PDF

Signed-off-by: Galen Charlton <gmcharlt@gmail.com>
This commit is contained in:
Chris Nighswonger 2010-02-04 14:47:30 -05:00 committed by Galen Charlton
parent b76e00a25b
commit 431d917609
1 changed files with 91 additions and 1 deletions
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92
C4/Creators/PDF.pm
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@ -144,7 +144,97 @@ sub AltJpeg {
sub Jpeg {
my $self = shift;
my ($imageData, $width, $height, $imageFormat) = @_;
return prJpeg($imageData, $width, $height, $imageFormat);
return prJpegBlob($imageData, $width, $height, $imageFormat);
}
# FIXME: This magick foo is an absolute hack until the maintainer of PDF::Reuse releases the next version which will include these features
sub prAltJpeg
{ my ($iData, $iWidth, $iHeight, $iFormat,$aiData, $aiWidth, $aiHeight, $aiFormat) = @_;
my ($namnet, $utrad);
if (! $PDF::Reuse::pos) # If no output is active, it is no use to continue
{ return undef;
}
prJpegBlob($aiData, $aiWidth, $aiHeight, $aiFormat);
my $altObjNr = $PDF::Reuse::objNr;
$PDF::Reuse::imageNr++;
$namnet = 'Ig' . $PDF::Reuse::imageNr;
$PDF::Reuse::objNr++;
$PDF::Reuse::objekt[$PDF::Reuse::objNr] = $PDF::Reuse::pos;
$utrad = "$PDF::Reuse::objNr 0 obj\n" .
"[ << /Image $altObjNr 0 R\n" .
"/DefaultForPrinting true\n" .
">>\n" .
"]\n" .
"endobj\n";
$PDF::Reuse::pos += syswrite *PDF::Reuse::UTFIL, $utrad;
if ($PDF::Reuse::runfil)
{ $PDF::Reuse::log .= "Jpeg~AltImage\n";
}
$PDF::Reuse::objRef{$namnet} = $PDF::Reuse::objNr;
$namnet = prJpegBlob($iData, $iWidth, $iHeight, $iFormat, $PDF::Reuse::objNr);
if (! $PDF::Reuse::pos)
{ errLog("No output file, you have to call prFile first");
}
return $namnet;
}
sub prJpegBlob
{ my ($iData, $iWidth, $iHeight, $iFormat, $altArrayObjNr) = @_;
my ($iLangd, $namnet, $utrad);
if (! $PDF::Reuse::pos) # If no output is active, it is no use to continue
{ return undef;
}
my $checkidOld = $PDF::Reuse::checkId;
if (!$iFormat)
{ my ($iFile, $checkId) = findGet($iData, $checkidOld);
if ($iFile)
{ $iLangd = (stat($iFile))[7];
$PDF::Reuse::imageNr++;
$namnet = 'Ig' . $PDF::Reuse::imageNr;
$PDF::Reuse::objNr++;
$PDF::Reuse::objekt[$PDF::Reuse::objNr] = $PDF::Reuse::pos;
open (BILDFIL, "<$iFile") || errLog("Couldn't open $iFile, $!, aborts");
binmode BILDFIL;
my $iStream;
sysread BILDFIL, $iStream, $iLangd;
$utrad = "$PDF::Reuse::objNr 0 obj\n<</Type/XObject/Subtype/Image/Name/$namnet" .
"/Width $iWidth /Height $iHeight /BitsPerComponent 8 " .
($altArrayObjNr ? "/Alternates $altArrayObjNr 0 R " : "") .
"/Filter/DCTDecode/ColorSpace/DeviceRGB"
. "/Length $iLangd >>stream\n$iStream\nendstream\nendobj\n";
close BILDFIL;
$PDF::Reuse::pos += syswrite $PDF::Reuse::UTFIL, $utrad;
if ($PDF::Reuse::runfil)
{ $PDF::Reuse::log .= "Cid~$PDF::Reuse::checkId\n";
$PDF::Reuse::log .= "Jpeg~$iFile~$iWidth~$iHeight\n";
}
$PDF::Reuse::objRef{$namnet} = $PDF::Reuse::objNr;
}
undef $checkId;
}
elsif ($iFormat == 1)
{ my $iBlob = $iData;
$iLangd = length($iBlob);
$PDF::Reuse::imageNr++;
$namnet = 'Ig' . $PDF::Reuse::imageNr;
$PDF::Reuse::objNr++;
$PDF::Reuse::objekt[$PDF::Reuse::objNr] = $PDF::Reuse::pos;
$utrad = "$PDF::Reuse::objNr 0 obj\n<</Type/XObject/Subtype/Image/Name/$namnet" .
"/Width $iWidth /Height $iHeight /BitsPerComponent 8 " .
($altArrayObjNr ? "/Alternates $altArrayObjNr 0 R " : "") .
"/Filter/DCTDecode/ColorSpace/DeviceRGB"
. "/Length $iLangd >>stream\n$iBlob\nendstream\nendobj\n";
$PDF::Reuse::pos += syswrite *PDF::Reuse::UTFIL, $utrad;
if ($PDF::Reuse::runfil)
{ $PDF::Reuse::log .= "Jpeg~Blob~$iWidth~$iHeight\n";
}
$PDF::Reuse::objRef{$namnet} = $PDF::Reuse::objNr;
}
if (! $PDF::Reuse::pos)
{ errLog("No output file, you have to call prFile first");
}
return $namnet;
}
sub Js {