mapnik/test/standalone/font_registration_test.cpp
2015-04-30 07:12:30 -07:00

191 lines
No EOL
7.9 KiB
C++

#define CATCH_CONFIG_MAIN
#include "catch.hpp"
#include <mapnik/font_engine_freetype.hpp>
#include <mapnik/util/fs.hpp>
#include <mapnik/map.hpp>
#include <mapnik/load_map.hpp>
#include <mapnik/debug.hpp>
#include <iostream>
#include <vector>
#include <algorithm>
TEST_CASE("font") {
SECTION("registration") {
try
{
mapnik::logger logger;
mapnik::logger::severity_type original_severity = logger.get_severity();
// grab references to global statics of registered/cached fonts
auto const& global_mapping = mapnik::freetype_engine::get_mapping();
auto const& global_cache = mapnik::freetype_engine::get_cache();
// mapnik.Map object has parallel structure for localized fonts
mapnik::Map m(1,1);
auto const& local_mapping = m.get_font_file_mapping();
auto const& local_cache = m.get_font_memory_cache();
// should be empty to start
REQUIRE( global_mapping.empty() );
REQUIRE( global_cache.empty() );
REQUIRE( local_mapping.empty() );
REQUIRE( local_cache.empty() );
std::string fontdir("fonts/");
REQUIRE( mapnik::util::exists( fontdir ) );
REQUIRE( mapnik::util::is_directory( fontdir ) );
// test map cached fonts
REQUIRE( m.register_fonts(fontdir , false ) );
REQUIRE( m.get_font_memory_cache().size() == 0 );
REQUIRE( m.get_font_file_mapping().size() == 1 );
REQUIRE( m.load_fonts() );
REQUIRE( m.get_font_memory_cache().size() == 1 );
REQUIRE( m.register_fonts(fontdir , true ) );
REQUIRE( m.get_font_file_mapping().size() == 22 );
REQUIRE( m.load_fonts() );
REQUIRE( m.get_font_memory_cache().size() == 22 );
// copy discards memory cache but not file mapping
mapnik::Map m2(m);
REQUIRE( m2.get_font_memory_cache().size() == 0 );
REQUIRE( m2.get_font_file_mapping().size() == 22 );
REQUIRE( m2.load_fonts() );
REQUIRE( m2.get_font_memory_cache().size() == 22 );
// test font-directory from XML
mapnik::Map m3(1,1);
mapnik::load_map_string(m3,"<Map font-directory=\"fonts/\"></Map>");
REQUIRE( m3.get_font_memory_cache().size() == 0 );
REQUIRE( m3.load_fonts() );
REQUIRE( m3.get_font_memory_cache().size() == 1 );
std::vector<std::string> face_names;
std::string foo("foo");
// fake directories
REQUIRE( !mapnik::freetype_engine::register_fonts(foo , true ) );
face_names = mapnik::freetype_engine::face_names();
REQUIRE( face_names.size() == 0 );
REQUIRE( !mapnik::freetype_engine::register_fonts(foo) );
face_names = mapnik::freetype_engine::face_names();
REQUIRE( face_names.size() == 0 );
// directories without fonts
// silence warnings here by altering the logging severity
logger.set_severity(mapnik::logger::none);
std::string src("src");
// an empty directory will not return true
// we need to register at least one font and not fail on any
// to return true
REQUIRE( mapnik::freetype_engine::register_font(src) == false );
REQUIRE( mapnik::freetype_engine::register_fonts(src, true) == false );
REQUIRE( mapnik::freetype_engine::face_names().size() == 0 );
// bogus, emtpy file that looks like font
REQUIRE( mapnik::freetype_engine::register_font("test/data/fonts/fake.ttf") == false );
REQUIRE( mapnik::freetype_engine::register_fonts("test/data/fonts/fake.ttf") == false );
REQUIRE( mapnik::freetype_engine::face_names().size() == 0 );
REQUIRE( mapnik::freetype_engine::register_font("test/data/fonts/intentionally-broken.ttf") == false );
REQUIRE( mapnik::freetype_engine::register_fonts("test/data/fonts/intentionally-broken.ttf") == false );
REQUIRE( mapnik::freetype_engine::face_names().size() == 0 );
// now restore the original severity
logger.set_severity(original_severity);
// register unifont, since we know it sits in the root fonts/ dir
REQUIRE( mapnik::freetype_engine::register_fonts(fontdir) );
face_names = mapnik::freetype_engine::face_names();
REQUIRE( face_names.size() > 0 );
REQUIRE( face_names.size() == 1 );
// re-register unifont, should not have any affect
REQUIRE( mapnik::freetype_engine::register_fonts(fontdir, false) );
face_names = mapnik::freetype_engine::face_names();
REQUIRE( face_names.size() == 1 );
// single dejavu font in separate location
std::string dejavu_bold_oblique("test/data/fonts/DejaVuSansMono-BoldOblique.ttf");
REQUIRE( mapnik::freetype_engine::register_font(dejavu_bold_oblique) );
face_names = mapnik::freetype_engine::face_names();
REQUIRE( face_names.size() == 2 );
// now, inspect font mapping and confirm the correct 'DejaVu Sans Mono Bold Oblique' is registered
using font_file_mapping = std::map<std::string, std::pair<int,std::string> >;
font_file_mapping const& name2file = mapnik::freetype_engine::get_mapping();
bool found_dejavu = false;
for (auto const& item : name2file)
{
if (item.first == "DejaVu Sans Mono Bold Oblique")
{
found_dejavu = true;
REQUIRE( item.second.first == 0 );
REQUIRE( item.second.second == dejavu_bold_oblique );
}
}
REQUIRE( found_dejavu );
// recurse to find all dejavu fonts
REQUIRE( mapnik::freetype_engine::register_fonts(fontdir, true) );
face_names = mapnik::freetype_engine::face_names();
REQUIRE( face_names.size() == 22 );
// we should have re-registered 'DejaVu Sans Mono Bold Oblique' again,
// but now at a new path
bool found_dejavu2 = false;
for (auto const& item : name2file)
{
if (item.first == "DejaVu Sans Mono Bold Oblique")
{
found_dejavu2 = true;
REQUIRE( item.second.first == 0 );
// path should be different
REQUIRE( item.second.second != dejavu_bold_oblique );
}
}
REQUIRE( found_dejavu2 );
// now that global registry is populated
// now test that a map only loads new fonts
mapnik::Map m4(1,1);
REQUIRE( m4.register_fonts(fontdir , true ) );
REQUIRE( m4.get_font_memory_cache().size() == 0 );
REQUIRE( m4.get_font_file_mapping().size() == 22 );
REQUIRE( !m4.load_fonts() );
REQUIRE( m4.get_font_memory_cache().size() == 0 );
REQUIRE( m4.register_fonts(dejavu_bold_oblique, false) );
REQUIRE( m4.load_fonts() );
REQUIRE( m4.get_font_memory_cache().size() == 1 );
// check that we can correctly read a .ttc containing
// multiple valid faces
// https://github.com/mapnik/mapnik/issues/2274
REQUIRE( mapnik::freetype_engine::register_font("test/data/fonts/NotoSans-Regular.ttc") );
face_names = mapnik::freetype_engine::face_names();
REQUIRE( face_names.size() == 24 );
// now blindly register as many system fonts as possible
// the goal here to make sure we don't crash
// linux
mapnik::freetype_engine::register_fonts("/usr/share/fonts/", true);
mapnik::freetype_engine::register_fonts("/usr/local/share/fonts/", true);
// osx
mapnik::freetype_engine::register_fonts("/Library/Fonts/", true);
mapnik::freetype_engine::register_fonts("/System/Library/Fonts/", true);
// windows
mapnik::freetype_engine::register_fonts("C:\\Windows\\Fonts", true);
face_names = mapnik::freetype_engine::face_names();
REQUIRE( face_names.size() > 22 );
}
catch (std::exception const & ex)
{
std::clog << ex.what() << "\n";
REQUIRE(false);
}
}
}