DenysMedvid/pdf2htmlEX
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expose get_linkdest_str

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This commit is contained in:
Lu Wang 2013-01-28 18:31:02 +08:00
parent 4d94c1d072
commit 014ef7ecc2
3 changed files with 27 additions and 19 deletions
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6
src/HTMLRenderer/HTMLRenderer.h
View File

@ -210,12 +210,14 @@ class HTMLRenderer : public OutputDev
void pre_process(PDFDoc * doc);
void post_process();
// set flags
void set_stream_flags (std::ostream & out);
std::string dump_embedded_font (GfxFont * font, long long fn_id);
void embed_font(const std::string & filepath, GfxFont * font, FontInfo & info, bool get_metric_only = false);
// convert a LinkDest to a string that our Javascript code can understand
std::string get_linkdest_str(int & pageno, LinkDest * dest);
////////////////////////////////////////////////////
// manage styles
////////////////////////////////////////////////////
@ -300,6 +302,8 @@ class HTMLRenderer : public OutputDev
XRef * xref;
PDFDoc * cur_doc;
Catalog * cur_catalog;
double default_ctm[6];
// page info

1
src/HTMLRenderer/general.cc
View File

@ -69,6 +69,7 @@ HTMLRenderer::~HTMLRenderer()
void HTMLRenderer::process(PDFDoc *doc)
{
cur_doc = doc;
cur_catalog = doc->getCatalog();
xref = doc->getXRef();
pre_process(doc);

39
src/HTMLRenderer/link.cc
View File

@ -30,8 +30,24 @@ using std::endl;
* The detailed rectangle area of the link destination
* Will be parsed and performed by Javascript
*/
static string get_dest_detail_str(int pageno, LinkDest * dest)
string HTMLRenderer::get_linkdest_str(int & pageno, LinkDest * dest)
{
pageno = 0;
if(dest->isPageRef())
{
auto pageref = dest->getPageRef();
pageno = cur_catalog->findPage(pageref.num, pageref.gen);
}
else
{
pageno = dest->getPageNum();
}
if(pageno <= 0)
{
return "";
}
ostringstream sout;
// dec
sout << "[" << pageno;
@ -125,34 +141,21 @@ void HTMLRenderer::processLink(AnnotLink * al)
{
case actionGoTo:
{
auto catalog = cur_doc->getCatalog();
auto * real_action = dynamic_cast<LinkGoTo*>(action);
LinkDest * dest = nullptr;
if(auto _ = real_action->getDest())
dest = _->copy();
else if (auto _ = real_action->getNamedDest())
dest = catalog->findDest(_);
dest = cur_catalog->findDest(_);
if(dest)
{
int pageno = 0;
if(dest->isPageRef())
{
auto pageref = dest->getPageRef();
pageno = catalog->findPage(pageref.num, pageref.gen);
}
else
{
pageno = dest->getPageNum();
}
dest_detail_str = get_linkdest_str(pageno, dest);
if(pageno > 0)
{
dest_str = (char*)str_fmt("#p%x", pageno);
dest_detail_str = get_dest_detail_str(pageno, dest);
}
delete dest;
}
}
break;
@ -178,11 +181,11 @@ void HTMLRenderer::processLink(AnnotLink * al)
}
}
if(dest_str != "")
if(!dest_str.empty())
{
html_fout << "<a class=\"a\" href=\"" << dest_str << "\"";
if(dest_detail_str != "")
if(!dest_detail_str.empty())
html_fout << " data-dest-detail='" << dest_detail_str << "'";
html_fout << ">";