bool open(const std::experimental::filesystem::path& jpeg_file) override
{
auto fp = ::fopen(to_osmbstr(to_utf8(jpeg_file.native())).c_str(), "rb");
if(nullptr == fp) return false;
bool is_opened = false;
struct ::jpeg_decompress_struct jdstru;
error_mgr jerr;
jdstru.err = ::jpeg_std_error(&jerr.pub);
jerr.pub.error_exit = _m_error_handler;
if (!setjmp(jerr.setjmp_buf))
{
::jpeg_create_decompress(&jdstru);
::jpeg_stdio_src(&jdstru, fp);
_m_read_jpg(jdstru);
jpeg_finish_decompress(&jdstru);
is_opened = true;
}
::jpeg_destroy_decompress(&jdstru);
::fclose(fp);
return is_opened;
}
static vector<char> read_file(const std::experimental::filesystem::path& p)
{
using namespace std;
ifstream file(p.wstring(), ios::binary);
auto size = std::experimental::filesystem::file_size(p);
vector<char> buffer((size_t)size);
if (0 < size)
file.read(buffer.data(), size);
file.close();
return buffer;
}
size_t operator()(const fs::path& key) const
{
size_t ret = 5381;
const fs::path::value_type* str = key.c_str();
size_t c;
while ( (c = *str++) )
{
ret = ((ret << 5) + ret) + c; /* hash * 33 + c */
}
return ret;
}
void OnTerminate() {
try {
std::rethrow_exception(std::current_exception());
systemLogStream.Event(std::string("Terminate called, shutting down services."));
}
catch (Exception& ex) {
systemLogStream.Event(std::string("Terminate called, shutting down services.") + ex.what() + "\n" + ex.StackTraceStr());
}
catch (std::exception& ex) {
systemLogStream.Event(std::string("Terminate called, shutting down services.") + ex.what());
}
logger.Flush();
logger.OpenStream(nullptr);
logFile.close();
int ans = MessageBoxA(NULL, "Open logs?", "Unhandled exception", MB_YESNO);
if (ans == IDYES) {
system(logFilePath.string().c_str());
}
std::abort();
}
std::shared_ptr<image::image_impl_interface> create_image(const fs::path & p)
{
std::shared_ptr<image::image_impl_interface> ptr;
auto ext = p.extension().native();
if (ext.empty())
return ptr;
std::transform(ext.begin(), ext.end(), ext.begin(), [](int ch)
{
if ('A' <= ch && ch <= 'Z')
ch -= ('A' - 'a');
return ch;
});
#if defined(NANA_WINDOWS)
const wchar_t* ext_ico = L".ico";
const wchar_t* ext_png = L".png";
const wchar_t* ext_jpg = L".jpg";
const wchar_t* ext_jpeg = L".jpeg";
#else
const char* ext_ico = ".ico";
const char* ext_png = ".png";
const char* ext_jpg = ".jpg";
const char* ext_jpeg = ".jpeg";
#endif
do
{
if (ext_ico == ext)
{
ptr = std::make_shared<detail::image_ico>();
break;
}
if (ext_png == ext)
{
#if defined(NANA_ENABLE_PNG)
ptr = std::make_shared<detail::image_png>();
#else
return ptr;
#endif
break;
}
if (ext_jpg == ext || ext_jpeg == ext)
{
#if defined(NANA_ENABLE_JPEG)
ptr = std::make_shared<detail::image_jpeg>();
#else
return ptr;
#endif
break;
}
} while (false);
//Check for BMP
if (!ptr)
{
#ifndef NANA_MINGW
std::ifstream ifs(p.c_str(), std::ios::binary);
#else
std::ifstream ifs(to_osmbstr(to_utf8(p.native())).c_str(), std::ios::binary);
#endif
if (ifs)
{
unsigned short meta = 0;
ifs.read(reinterpret_cast<char*>(&meta), 2);
if (*reinterpret_cast<const short*>("BM") == meta)
ptr = std::make_shared<detail::image_bmp>();
else if (*reinterpret_cast<const short*>("MZ") == meta)
ptr = std::make_shared<detail::image_ico_resource>();
}
}
return ptr;
}
//===========================================================================
Path::Path(fs::path const & from)
: m_data(from.generic_u8string())
{
normalize(&m_data);
}
void FilePath::Pimpl::set(const std::experimental::filesystem::path& pPath)
{
path = pPath;
name = pPath.string();
}
static std::string ToString(const FS::path& path)
{
auto pathString = path.string();
std::replace(pathString.begin(), pathString.end(), '\\', '/');
return pathString;
}