DenysMedvid/pdf2htmlEX
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working on base64

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This commit is contained in:
Lu Wang 2012-08-14 21:48:57 +08:00
parent 1bee39547e
commit 7c344bc2e4
2 changed files with 30 additions and 4 deletions
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5
src/HTMLRenderer/general.cc
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@ -20,6 +20,8 @@
using std::flush; using std::flush;
using boost::filesystem::file_size;
HTMLRenderer::HTMLRenderer(const Param * param) HTMLRenderer::HTMLRenderer(const Param * param)
:line_opened(false) :line_opened(false)
,image_count(0) ,image_count(0)
@ -134,8 +136,9 @@ void HTMLRenderer::startPage(int pageNum, GfxState *state)
const std::string fn = (format("p%|1$x|.png") % pageNum).str(); const std::string fn = (format("p%|1$x|.png") % pageNum).str();
if(param->single_html) if(param->single_html)
{ {
auto path = tmp_dir / fn;
html_fout << "'data:image/png;base64,"; html_fout << "'data:image/png;base64,";
copy_base64(html_fout, ifstream(tmp_dir / fn)); copy_base64(html_fout, ifstream(path), file_size(path));
html_fout << "'"; html_fout << "'";
} }
else else

29
src/util.h
View File

@ -123,17 +123,40 @@ public:
double _[6]; double _[6];
}; };
// TODO: padding bug of boost static inline void copy_base64 (ostream & out, istream & in, size_t length)
static inline void copy_base64 (ostream & out, istream & in)
{ {
typedef base64_from_binary < transform_width < istream_iterator<char>, 6, 8 > > base64_iter; typedef base64_from_binary < transform_width < istream_iterator<char>, 6, 8 > > base64_iter;
copy(base64_iter(istream_iterator<char>(in)), base64_iter(istream_iterator<char>()), ostream_iterator<char>(out)); copy(base64_iter(istream_iterator<char>(in)), base64_iter(istream_iterator<char>()), ostream_iterator<char>(out));
switch(length % 3)
{
case 1:
out << '=';
// fall through
case 2:
out << '=';
// fall through
case 0:
default:
break;
}
} }
static inline void copy_base64 (ostream & out, istream && in) static inline void copy_base64 (ostream & out, istream && in, size_t length)
{ {
typedef base64_from_binary < transform_width < istream_iterator<char>, 6, 8 > > base64_iter; typedef base64_from_binary < transform_width < istream_iterator<char>, 6, 8 > > base64_iter;
copy(base64_iter(istream_iterator<char>(in)), base64_iter(istream_iterator<char>()), ostream_iterator<char>(out)); copy(base64_iter(istream_iterator<char>(in)), base64_iter(istream_iterator<char>()), ostream_iterator<char>(out));
switch(length % 3)
{
case 1:
out << '=';
// fall through
case 2:
out << '=';
// fall through
case 0:
default:
break;
}
} }
#endif //UTIL_H__ #endif //UTIL_H__