mirror of https://github.com/qpdf/qpdf.git
tested basic stream replacement
git-svn-id: svn+q:///qpdf/trunk@989 71b93d88-0707-0410-a8cf-f5a4172ac649
This commit is contained in:
Jay Berkenbilt
parent
998a6cbee9
commit
98765c3b5c
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@ -77,7 +77,7 @@ flush_tiff_cache();
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show_ntests();
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# ----------
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$td->notify("--- Miscellaneous Tests ---");
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$n_tests += 22;
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$n_tests += 26;
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$td->runtest("qpdf version",
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{$td->COMMAND => "qpdf --version"},
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@ -97,6 +97,22 @@ foreach (my $i = 1; $i <= 3; ++$i)
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$td->NORMALIZE_NEWLINES);
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}
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$td->runtest("replace stream data",
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{$td->COMMAND => "test_driver 7 qstream.pdf"},
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{$td->STRING => "test 7 done\n", $td->EXIT_STATUS => 0},
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$td->NORMALIZE_NEWLINES);
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$td->runtest("check output",
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{$td->FILE => "a.pdf"},
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{$td->FILE => "replaced-stream-data.out"});
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$td->runtest("replace stream data compressed",
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{$td->COMMAND => "test_driver 8 qstream.pdf"},
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{$td->STRING => "test 8 done\n", $td->EXIT_STATUS => 0},
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$td->NORMALIZE_NEWLINES);
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$td->runtest("check output",
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{$td->FILE => "a.pdf"},
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{$td->FILE => "replaced-stream-data-flate.out"});
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# Make sure we ignore decode parameters that we don't understand
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$td->runtest("unknown decode parameters",
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{$td->COMMAND => "qpdf --check fax-decode-parms.pdf"},
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@ -0,0 +1,90 @@
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%PDF-1.3
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1 0 obj
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<<
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/Type /Catalog
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/Pages 2 0 R
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/QStream 7 0 R
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>>
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endobj
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2 0 obj
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<<
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/Type /Pages
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/Kids [
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3 0 R
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]
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/Count 1
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>>
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endobj
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3 0 obj
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<<
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/Type /Page
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/Parent 2 0 R
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/MediaBox [0 0 612 792]
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/Contents 4 0 R
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/Resources <<
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/ProcSet 5 0 R
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/Font <<
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/F1 6 0 R
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>>
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>>
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>>
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endobj
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4 0 obj
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<<
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/Length 44
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>>
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stream
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BT
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/F1 24 Tf
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72 720 Td
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(Potato) Tj
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ET
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endstream
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endobj
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5 0 obj
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[
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/PDF
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/Text
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]
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endobj
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6 0 obj
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<<
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/Type /Font
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/Subtype /Type1
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/Name /F1
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/BaseFont /Helvetica
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/Encoding /WinAnsiEncoding
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>>
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endobj
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7 0 obj
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<<
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/Length 29
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>>
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stream
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This is the old stream data.
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endstream
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endobj
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xref
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0 8
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0000000000 65535 f
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0000000009 00000 n
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0000000080 00000 n
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0000000152 00000 n
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0000000324 00000 n
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0000000420 00000 n
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0000000455 00000 n
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0000000573 00000 n
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trailer <<
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/Size 8
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/Root 1 0 R
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>>
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startxref
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654
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%%EOF
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Binary file not shown.
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@ -0,0 +1,47 @@
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%PDF-1.3
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%¿÷¢þ
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1 0 obj
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<< /Pages 2 0 R /QStream 3 0 R /Type /Catalog >>
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endobj
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2 0 obj
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<< /Count 1 /Kids [ 4 0 R ] /Type /Pages >>
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endobj
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3 0 obj
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<< /Length 20 >>
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stream
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new data for stream
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endstream
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endobj
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4 0 obj
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<< /Contents 5 0 R /MediaBox [ 0 0 612 792 ] /Parent 2 0 R /Resources << /Font << /F1 6 0 R >> /ProcSet 7 0 R >> /Type /Page >>
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endobj
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5 0 obj
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<< /Length 44 >>
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stream
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BT
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/F1 24 Tf
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72 720 Td
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(Potato) Tj
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ET
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endstream
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endobj
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6 0 obj
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<< /BaseFont /Helvetica /Encoding /WinAnsiEncoding /Name /F1 /Subtype /Type1 /Type /Font >>
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endobj
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7 0 obj
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[ /PDF /Text ]
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endobj
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xref
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0 8
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0000000000 65535 f
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0000000015 00000 n
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0000000079 00000 n
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0000000138 00000 n
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0000000207 00000 n
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0000000350 00000 n
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0000000443 00000 n
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0000000550 00000 n
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trailer << /Root 1 0 R /Size 8 /ID [<31415926535897932384626433832795><31415926535897932384626433832795>] >>
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startxref
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580
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%%EOF
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@ -7,6 +7,7 @@
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#include <qpdf/QTC.hh>
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#include <qpdf/Pl_StdioFile.hh>
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#include <qpdf/Pl_Buffer.hh>
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#include <qpdf/Pl_Flate.hh>
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#include <qpdf/QPDFWriter.hh>
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#include <iostream>
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#include <stdio.h>
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@ -309,6 +310,45 @@ void runtest(int n, char const* filename)
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<< (cleartext ? 1 : 0)
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<< std::endl;
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}
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else if (n == 7)
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{
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QPDFObjectHandle root = pdf.getRoot();
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QPDFObjectHandle qstream = root.getKey("/QStream");
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if (! qstream.isStream())
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{
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throw std::logic_error("test 7 run on file with no QStream");
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}
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PointerHolder<Buffer> b = new Buffer(20);
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unsigned char* bp = b.getPointer()->getBuffer();
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memcpy(bp, (char*)"new data for stream\n", 20); // no null!
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qstream.replaceStreamData(
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b, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
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QPDFWriter w(pdf, "a.pdf");
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w.setStaticID(true);
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w.setStreamDataMode(qpdf_s_preserve);
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w.write();
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}
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else if (n == 8)
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{
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QPDFObjectHandle root = pdf.getRoot();
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QPDFObjectHandle qstream = root.getKey("/QStream");
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if (! qstream.isStream())
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{
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throw std::logic_error("test 7 run on file with no QStream");
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}
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Pl_Buffer p1("buffer");
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Pl_Flate p2("compress", &p1, Pl_Flate::a_deflate);
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p2.write((unsigned char*)"new data for stream\n", 20); // no null!
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p2.finish();
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PointerHolder<Buffer> b = p1.getBuffer();
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qstream.replaceStreamData(
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b, QPDFObjectHandle::newName("/FlateDecode"),
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QPDFObjectHandle::newNull());
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QPDFWriter w(pdf, "a.pdf");
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w.setStaticID(true);
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w.setStreamDataMode(qpdf_s_preserve);
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w.write();
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}
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else
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{
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throw std::runtime_error(std::string("invalid test ") +
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