mapnik/test/standalone/font_registration_test.cpp

177 lines
7.6 KiB
C++

#define CATCH_CONFIG_MAIN
#include "catch.hpp"
#include <mapnik/mapnik.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")
{
mapnik::setup();
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, 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=\"test/data/fonts/Noto/\"></Map>");
REQUIRE(m3.get_font_memory_cache().size() == 0);
REQUIRE(m3.load_fonts());
REQUIRE(m3.get_font_memory_cache().size() == 2);
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);
// 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() == 1);
// 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);
}
}
}