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pdf2htmlEX
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Add poppler-23.12.0 support

This commit is contained in:
Vilius Sutkus '89 2023-12-18 12:39:47 +02:00
parent b0e3529ac8
commit 0a2478f6dc
11 changed files with 62 additions and 79 deletions
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14
buildScripts/buildPoppler
View File

@ -19,7 +19,10 @@ cmake \
-DENABLE_UNSTABLE_API_ABI_HEADERS=OFF \
-DBUILD_GTK_TESTS=OFF \
-DBUILD_QT5_TESTS=OFF \
-DBUILD_QT6_TESTS=OFF \
-DBUILD_CPP_TESTS=OFF \
-DBUILD_MANUAL_TESTS=OFF \
-DENABLE_BOOST=OFF \
-DENABLE_SPLASH=ON \
-DENABLE_UTILS=OFF \
-DENABLE_CPP=OFF \
@ -27,10 +30,17 @@ cmake \
-DENABLE_GOBJECT_INTROSPECTION=OFF \
-DENABLE_GTK_DOC=OFF \
-DENABLE_QT5=OFF \
-DENABLE_QT6=OFF \
-DENABLE_LIBOPENJPEG="none" \
-DENABLE_CMS="none" \
-DENABLE_DCTDECODER="libjpeg" \
-DENABLE_CMS="none" \
-DENABLE_LCMS=OFF \
-DENABLE_LIBCURL=OFF \
-DENABLE_LIBTIFF=OFF \
-DWITH_TIFF=OFF \
-DWITH_NSS3=OFF \
-DENABLE_NSS3=OFF \
-DENABLE_GPGME=OFF \
-DENABLE_ZLIB=ON \
-DENABLE_ZLIB_UNCOMPRESS=OFF \
-DUSE_FLOAT=OFF \
@ -39,8 +49,6 @@ cmake \
-DEXTRA_WARN=OFF \
-DWITH_JPEG=ON \
-DWITH_PNG=ON \
-DWITH_TIFF=OFF \
-DWITH_NSS3=OFF \
-DWITH_Cairo=ON \
..

7
buildScripts/versionEnvs
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@ -4,11 +4,12 @@
# versions
# see: https://poppler.freedesktop.org/releases.html
# current working: 21.02.0
# current working: 23.12.0
export PDF2HTMLEX_VERSION=0.18.8.rc2
export POPPLER_VERSION=poppler-21.02.0
export POPPLER_VERSION=poppler-23.12.0
#export POPPLER_VERSION=poppler-21.02.0
#export POPPLER_VERSION=poppler-0.89.0
#export POPPLER_VERSION=poppler-0.88.0
#export POPPLER_VERSION=poppler-0.87.0
@ -21,7 +22,7 @@ export POPPLER_VERSION=poppler-21.02.0
#export POPPLER_VERSION=poppler-0.81.0
# see: https://github.com/fontforge/fontforge/releases
# current working: 20220308
# current working: 20230101
export FONTFORGE_VERSION=20230101
#export FONTFORGE_VERSION=20220308

39
pdf2htmlEX/CMakeLists.txt
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@ -104,7 +104,6 @@ set(PDF2HTMLEX_LIBS ${PDF2HTMLEX_LIBS}
-lglib-2.0
-lgio-2.0
-lgobject-2.0
-pthread
-lz
-lm
)
@ -122,37 +121,17 @@ set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Woverloaded-virtual")
# clang compiler need c++11 flag
#if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
#endif()
# CYGWIN or GCC 4.5.x bug
if(CYGWIN)
# was: set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
# the following change is untested:
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++14")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -pthread")
set(CMAKE_THREAD_PREFER_PTHREAD ON)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
set(PDF2HTMLEX_LIBS ${PDF2HTMLEX_LIBS} Threads::Threads)
# Poppler-23.12.0 requires CXX17
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(NOT CYGWIN)
set(CMAKE_CXX_EXTENSIONS OFF)
endif()
# check the C++11 features we need
include(CheckCXXSourceCompiles)
check_cxx_source_compiles("
#include <vector>
int main()
{
char * ptr = nullptr;
std::vector<int> v;
auto f = [&](){ for(auto & i : v) ++i; };
f();
}
" CXX0X_SUPPORT)
if(NOT CXX0X_SUPPORT)
message(FATAL_ERROR "Error: your compiler does not support C++0x/C++11, please update it.")
endif()
configure_file (${CMAKE_SOURCE_DIR}/src/pdf2htmlEX-config.h.in ${CMAKE_SOURCE_DIR}/src/pdf2htmlEX-config.h)
configure_file (${CMAKE_SOURCE_DIR}/pdf2htmlEX.1.in ${CMAKE_SOURCE_DIR}/pdf2htmlEX.1)

36
pdf2htmlEX/src/HTMLRenderer/font.cc
View File

@ -200,8 +200,8 @@ string HTMLRenderer::dump_type3_font (GfxFont * font, FontInfo & info)
FT_Library ft_lib;
FT_Init_FreeType(&ft_lib);
CairoFontEngine font_engine(ft_lib);
auto * cur_font = font_engine.getFont(font, cur_doc, true, xref);
CairoFontEngine font_engine(ft_lib);
std::shared_ptr<CairoFont> cur_font = font_engine.getFont(std::shared_ptr<GfxFont>(font), cur_doc, true, xref);
auto used_map = preprocessor.get_code_map(hash_ref(font->getID()));
//calculate transformed metrics
@ -486,11 +486,10 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
else
{
ffw_reencode_glyph_order();
if(FoFiTrueType * fftt = FoFiTrueType::load((char*)filepath.c_str()))
if(std::unique_ptr<FoFiTrueType> fftt = FoFiTrueType::load((char*)filepath.c_str()))
{
code2GID = font_8bit->getCodeToGIDMap(fftt);
code2GID = font_8bit->getCodeToGIDMap(fftt.get());
code2GID_len = 256;
delete fftt;
}
}
}
@ -553,10 +552,9 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
else
{
// use the mapping stored in the file
if(FoFiTrueType * fftt = FoFiTrueType::load((char*)filepath.c_str()))
if(std::unique_ptr<FoFiTrueType> fftt = FoFiTrueType::load((char*)filepath.c_str()))
{
code2GID = _font->getCodeToGIDMap(fftt, &code2GID_len);
delete fftt;
code2GID = _font->getCodeToGIDMap(fftt.get(), &code2GID_len);
}
}
}
@ -878,7 +876,7 @@ const FontInfo * HTMLRenderer::install_font(GfxFont * font)
{
cerr << "Install font " << hex << new_fn_id << dec
<< ": (" << (font->getID()->num) << ' ' << (font->getID()->gen) << ") "
<< (font->getName() ? font->getName()->toStr() : "")
<< font->getName().value_or("")
<< endl;
}
@ -910,7 +908,8 @@ const FontInfo * HTMLRenderer::install_font(GfxFont * font)
* which does not make much sense in our case
* If we specify false here, font_loc->locType cannot be gfxFontLocResident
*/
if(auto * font_loc = font->locateFont(xref, nullptr))
std::optional<GfxFontLoc> font_loc = font->locateFont(xref, nullptr);
if(font_loc.has_value())
{
switch(font_loc -> locType)
{
@ -927,8 +926,7 @@ const FontInfo * HTMLRenderer::install_font(GfxFont * font)
cerr << "TODO: other font loc" << endl;
export_remote_default_font(new_fn_id);
break;
}
delete font_loc;
}
}
else
{
@ -955,7 +953,7 @@ void HTMLRenderer::install_embedded_font(GfxFont * font, FontInfo & info)
void HTMLRenderer::install_external_font(GfxFont * font, FontInfo & info)
{
string fontname(font->getName()->toStr());
string fontname(font->getName().value_or(""));
// resolve bad encodings in GB
auto iter = GB_ENCODED_FONT_NAME_MAP.find(fontname);
@ -965,15 +963,14 @@ void HTMLRenderer::install_external_font(GfxFont * font, FontInfo & info)
cerr << "Warning: workaround for font names in bad encodings." << endl;
}
GfxFontLoc * localfontloc = font->locateFont(xref, nullptr);
std::optional<GfxFontLoc> localfontloc = font->locateFont(xref, nullptr);
if(param.embed_external_font)
{
if(localfontloc != nullptr)
if(localfontloc.has_value())
{
embed_font(string(localfontloc->path->toStr()), font, info);
embed_font(string(localfontloc.value().path), font, info);
export_remote_font(info, param.font_format, font);
delete localfontloc;
return;
}
else
@ -984,11 +981,10 @@ void HTMLRenderer::install_external_font(GfxFont * font, FontInfo & info)
}
// still try to get an idea of read ascent/descent
if(localfontloc != nullptr)
if(localfontloc.has_value())
{
// fill in ascent/descent only, do not embed
embed_font(string(localfontloc->path->toStr()), font, info, true);
delete localfontloc;
embed_font(string(localfontloc.value().path), font, info, true);
}
else
{

2
pdf2htmlEX/src/HTMLRenderer/form.cc
View File

@ -22,7 +22,7 @@ using std::cerr;
void HTMLRenderer::process_form(ofstream & out)
{
FormPageWidgets * widgets = cur_catalog->getPage(pageNum)->getFormWidgets();
std::shared_ptr<FormPageWidgets> widgets = cur_catalog->getPage(pageNum)->getFormWidgets();
int num = widgets->getNumWidgets();
for(int i = 0; i < num; i++)

2
pdf2htmlEX/src/HTMLRenderer/link.cc
View File

@ -148,7 +148,7 @@ string HTMLRenderer::get_linkaction_str(
dynamic_cast<const LinkGoTo*>(action);
std::unique_ptr<LinkDest> dest = nullptr;
if(auto _ = real_action->getDest())
dest = std::unique_ptr<LinkDest>( _->copy() );
dest = std::make_unique<LinkDest>(*_);
else if (auto _ = real_action->getNamedDest())
dest = cur_catalog->findDest(_);
if(dest)

1
pdf2htmlEX/src/HTMLRenderer/outline.cc
View File

@ -52,7 +52,6 @@ void HTMLRenderer::process_outline_items(const std::vector<OutlineItem*> * items
{
process_outline_items(item->getKids());
}
item->close();
f_outline.fs << "</li>";
}

2
pdf2htmlEX/src/HTMLRenderer/state.cc
View File

@ -207,7 +207,7 @@ void HTMLRenderer::check_state_change(GfxState * state)
// font name & size
if(all_changed || font_changed)
{
const FontInfo * new_font_info = install_font(state->getFont());
const FontInfo * new_font_info = install_font(state->getFont().get());
if(!(new_font_info->id == cur_text_state.font_info->id))
{

8
pdf2htmlEX/src/HTMLRenderer/text.cc
View File

@ -95,9 +95,9 @@ void HTMLRenderer::drawString(GfxState * state, const GooString * s)
char buf[2];
buf[0] = (code >> 8) & 0xff;
buf[1] = (code & 0xff);
width = ((GfxCIDFont *)font)->getWidth(buf, 2);
width = ((GfxCIDFont *)font.get())->getWidth(buf, 2);
} else {
width = ((Gfx8BitFont *)font)->getWidth(code);
width = ((Gfx8BitFont *)font.get())->getWidth(code);
}
if (width == 0 || height == 0) {
@ -151,11 +151,11 @@ void HTMLRenderer::drawString(GfxState * state, const GooString * s)
Unicode uu;
if(cur_text_state.font_info->use_tounicode)
{
uu = check_unicode(u, uLen, code, font);
uu = check_unicode(u, uLen, code, font.get());
}
else
{
uu = unicode_from_font(code, font);
uu = unicode_from_font(code, font.get());
}
html_text_page.get_cur_line()->append_unicodes(&uu, 1, ddx);
/*

3
pdf2htmlEX/src/Preprocessor.cc
View File

@ -67,8 +67,7 @@ void Preprocessor::drawChar(GfxState *state, double x, double y,
double originX, double originY,
CharCode code, int nBytes, const Unicode *u, int uLen)
{
GfxFont * font = state->getFont();
if(!font) return;
std::shared_ptr<GfxFont> font = state->getFont();
long long fn_id = hash_ref(font->getID());

27
pdf2htmlEX/src/pdf2htmlEX.cc
View File

@ -412,21 +412,23 @@ int main(int argc, char **argv)
!param.poppler_data_dir.empty() ? param.poppler_data_dir.c_str() : NULL
);
// open PDF file
PDFDoc * doc = nullptr;
try
{
{
GooString * ownerPW = (param.owner_password == "") ? (nullptr) : (new GooString(param.owner_password.c_str()));
GooString * userPW = (param.user_password == "") ? (nullptr) : (new GooString(param.user_password.c_str()));
GooString fileName(param.input_filename.c_str());
doc = PDFDocFactory().createPDFDoc(fileName, ownerPW, userPW);
delete userPW;
delete ownerPW;
std::optional<GooString> ownerPW;
if (!param.owner_password.empty()) {
ownerPW = GooString(param.owner_password);
}
std::optional<GooString> userPW;
if (!param.user_password.empty()) {
userPW = GooString(param.user_password);
}
GooString fileName(param.input_filename);
// open PDF file
std::unique_ptr<PDFDoc> doc(PDFDocFactory().createPDFDoc(fileName, ownerPW, userPW));
if (!doc->isOk())
throw "Cannot read the file";
@ -445,7 +447,7 @@ int main(int argc, char **argv)
doc->getNumPages());
unique_ptr<HTMLRenderer>(new HTMLRenderer(argv[0], param))->process(doc);
unique_ptr<HTMLRenderer>(new HTMLRenderer(argv[0], param))->process(doc.get());
finished = true;
}
@ -459,7 +461,6 @@ int main(int argc, char **argv)
}
// clean up
delete doc;
globalParams.reset();
// check for memory leaks