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Code Issues Releases Wiki Activity

Handle i/o errors when indexing fonts for GDI

This commit is contained in:
Thomas Goyne 2016-01-09 08:38:41 -08:00
parent 3c381b6c55
commit bb3e0de728
1 changed files with 13 additions and 6 deletions
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19
src/font_file_lister_gdi.cpp
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@ -16,6 +16,8 @@
#include "font_file_lister.h"
#include "compat.h"
#include <libaegisub/charset_conv_win.h>
#include <libaegisub/fs.h>
#include <libaegisub/io.h>
@ -91,15 +93,20 @@ std::vector<agi::fs::path> get_installed_fonts() {
using font_index = std::unordered_multimap<uint32_t, agi::fs::path>;
font_index index_fonts() {
font_index index_fonts(FontCollectorStatusCallback &cb) {
font_index hash_to_path;
auto fonts = get_installed_fonts();
std::unique_ptr<char[]> buffer(new char[1024]);
for (auto const& path : fonts) {
auto stream = agi::io::Open(path, true);
stream->read(&buffer[0], 1024);
auto hash = murmur3(&buffer[0], stream->tellg());
hash_to_path.emplace(hash, path);
try {
auto stream = agi::io::Open(path, true);
stream->read(&buffer[0], 1024);
auto hash = murmur3(&buffer[0], stream->tellg());
hash_to_path.emplace(hash, path);
}
catch (agi::Exception const& e) {
cb(to_wx(e.GetMessage() + "\n"), 3);
}
}
return hash_to_path;
}
@ -126,7 +133,7 @@ GdiFontFileLister::GdiFontFileLister(FontCollectorStatusCallback &cb)
: dc(CreateCompatibleDC(nullptr), [](HDC dc) { DeleteDC(dc); })
{
cb(_("Updating font cache\n"), 0);
index = index_fonts();
index = index_fonts(cb);
}
CollectionResult GdiFontFileLister::GetFontPaths(std::string const& facename, int bold, bool italic, std::vector<int> const& characters) {