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Add QPDFObjectHandle::newStream(QPDF *, std::string const&)

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This makes the code simpler than having to create a buffer of a fixed
size and copy the string to it.
This commit is contained in:
Tobias Hoffmann 2012-06-27 06:00:58 +02:00 committed by Jay Berkenbilt
parent 75054c0b94
commit 43c404b45a
6 changed files with 19 additions and 17 deletions
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5
examples/pdf-create.cc
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@ -65,10 +65,7 @@ static QPDFObjectHandle createPageContents(QPDF& pdf, std::string const& text)
std::string contents =
"BT /F1 24 Tf 72 720 Td (" + text + ") Tj ET\n"
"q 144 0 0 144 234 324 cm /Im1 Do Q\n";
PointerHolder<Buffer> b = new Buffer(contents.length());
unsigned char* bp = b->getBuffer();
memcpy(bp, (char*)contents.c_str(), contents.length());
return QPDFObjectHandle::newStream(&pdf, b);
return QPDFObjectHandle::newStream(&pdf, contents);
}
QPDFObjectHandle newName(std::string const& name)

6
include/qpdf/QPDFObjectHandle.hh
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@ -142,6 +142,12 @@ class QPDFObjectHandle
QPDF_DLL
static QPDFObjectHandle newStream(QPDF* qpdf, PointerHolder<Buffer> data);
// Create new stream with data from string. This method will
// create a copy of the data rather than using the user-provided
// buffer as in the PointerHolder<Buffer> version of newStream.
QPDF_DLL
static QPDFObjectHandle newStream(QPDF* qpdf, std::string const& data);
// Accessor methods. If an accessor method that is valid for only
// a particular object type is called on an object of the wrong
// type, an exception is thrown.

9
libqpdf/QPDFObjectHandle.cc
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@ -680,6 +680,15 @@ QPDFObjectHandle::newStream(QPDF* qpdf, PointerHolder<Buffer> data)
return result;
}
QPDFObjectHandle
QPDFObjectHandle::newStream(QPDF* qpdf, std::string const& data)
{
PointerHolder<Buffer> b = new Buffer(data.length());
unsigned char* bp = b->getBuffer();
memcpy(bp, (char*)data.c_str(), data.length());
return QPDFObjectHandle::newStream(qpdf, b);
}
QPDFObjectHandle
QPDFObjectHandle::shallowCopy()
{

5
qpdf/pdf_from_scratch.cc
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@ -21,10 +21,7 @@ void usage()
static QPDFObjectHandle createPageContents(QPDF& pdf, std::string const& text)
{
std::string contents = "BT /F1 15 Tf 72 720 Td (" + text + ") Tj ET\n";
PointerHolder<Buffer> b = new Buffer(contents.length());
unsigned char* bp = b->getBuffer();
memcpy(bp, (char*)contents.c_str(), contents.length());
return QPDFObjectHandle::newStream(&pdf, b);
return QPDFObjectHandle::newStream(&pdf, contents);
}
QPDFObjectHandle newName(std::string const& name)

5
qpdf/test_driver.cc
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@ -73,10 +73,7 @@ static void checkPageContents(QPDFObjectHandle page,
static QPDFObjectHandle createPageContents(QPDF& pdf, std::string const& text)
{
std::string contents = "BT /F1 15 Tf 72 720 Td (" + text + ") Tj ET\n";
PointerHolder<Buffer> b = new Buffer(contents.length());
unsigned char* bp = b->getBuffer();
memcpy(bp, (char*)contents.c_str(), contents.length());
return QPDFObjectHandle::newStream(&pdf, b);
return QPDFObjectHandle::newStream(&pdf, contents);
}
void runtest(int n, char const* filename)

6
qpdf/test_large_file.cc
View File

@ -173,11 +173,7 @@ std::string generate_page_contents(int pageno)
static QPDFObjectHandle create_page_contents(QPDF& pdf, int pageno)
{
std::string contents = generate_page_contents(pageno);
PointerHolder<Buffer> b = new Buffer(contents.length());
unsigned char* bp = b->getBuffer();
memcpy(bp, (char*)contents.c_str(), contents.length());
return QPDFObjectHandle::newStream(&pdf, b);
return QPDFObjectHandle::newStream(&pdf, generate_page_contents(pageno));
}
QPDFObjectHandle newName(std::string const& name)