DenysMedvid/pdf2htmlEX
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Code

auto mode when --tounicode=0

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This commit is contained in:
Lu Wang 2012-09-24 16:59:47 +08:00
parent 8ab03df921
commit 983f6dfac2
1 changed files with 18 additions and 2 deletions
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20
src/HTMLRenderer/text.cc
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@ -173,10 +173,9 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
*iter = tolower(*iter); *iter = tolower(*iter);
/* /*
* TODO
* if parm->tounicode is 0, try the provided tounicode map first * if parm->tounicode is 0, try the provided tounicode map first
*/ */
info.use_tounicode = (is_truetype_suffix(suffix) || (param->tounicode > 0)); info.use_tounicode = (is_truetype_suffix(suffix) || (param->tounicode >= 0));
info.has_space = false; info.has_space = false;
const char * used_map = nullptr; const char * used_map = nullptr;
@ -314,6 +313,7 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
/* /*
* Traverse all possible codes * Traverse all possible codes
*/ */
bool retried = false; // avoid infinite loop
for(int i = 0; i <= maxcode; ++i) for(int i = 0; i <= maxcode; ++i)
{ {
if(!used_map[i]) if(!used_map[i])
@ -357,6 +357,22 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
} }
else else
{ {
// collision detected
if(param->tounicode == 0)
{
// in auto mode, just drop the tounicode map
if(!retried)
{
cerr << "ToUnicode CMap is not valid and got dropped" << endl;
retried = true;
codeset.clear();
info.use_tounicode = false;
memset(cur_mapping, -1, 0x10000 * sizeof(*cur_mapping));
memset(width_list, -1, 0x10000 * sizeof(*width_list));
i = -1;
continue;
}
}
if(!name_conflict_warned) if(!name_conflict_warned)
{ {
name_conflict_warned = true; name_conflict_warned = true;