AuroraMiddleware/DirectXTex
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clean up image files on failed write

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This commit is contained in:
Chuck Walbourn 2016-09-10 00:09:42 -07:00
parent 51bc3d5b16
commit b0d443f526
3 changed files with 34 additions and 24 deletions
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24
DirectXTex/DirectXTexDDS.cpp
View File

@ -21,30 +21,6 @@ using namespace DirectX;
namespace
{
class auto_delete_file
{
public:
auto_delete_file(HANDLE hFile) : m_handle(hFile) {}
auto_delete_file(const auto_delete_file&) = delete;
auto_delete_file& operator=(const auto_delete_file&) = delete;
~auto_delete_file()
{
if (m_handle)
{
FILE_DISPOSITION_INFO info = { 0 };
info.DeleteFile = TRUE;
(void)SetFileInformationByHandle(m_handle, FileDispositionInfo, &info, sizeof(info));
}
}
void clear() { m_handle = 0; }
private:
HANDLE m_handle;
};
//-------------------------------------------------------------------------------------
// Legacy format mapping table (used for DDS files without 'DX10' extended header)
//-------------------------------------------------------------------------------------

4
DirectXTex/DirectXTexTGA.cpp
View File

@ -1310,6 +1310,8 @@ HRESULT DirectX::SaveToTGAFile(const Image& image, const wchar_t* szFile)
return HRESULT_FROM_WIN32(GetLastError());
}
auto_delete_file delonfail(hFile.get());
// Determine size for TGA pixel data
size_t rowPitch, slicePitch;
if (convFlags & CONV_FLAGS_888)
@ -1392,5 +1394,7 @@ HRESULT DirectX::SaveToTGAFile(const Image& image, const wchar_t* szFile)
}
}
delonfail.clear();
return S_OK;
}

30
DirectXTex/scoped.h
View File

@ -30,3 +30,33 @@ struct handle_closer { void operator()(HANDLE h) { assert(h != INVALID_HANDLE_VA
typedef public std::unique_ptr<void, handle_closer> ScopedHandle;
inline HANDLE safe_handle( HANDLE h ) { return (h == INVALID_HANDLE_VALUE) ? 0 : h; }
//---------------------------------------------------------------------------------
struct find_closer { void operator()(HANDLE h) { assert(h != INVALID_HANDLE_VALUE); if (h) FindClose(h); } };
typedef public std::unique_ptr<void, find_closer> ScopedFindHandle;
//---------------------------------------------------------------------------------
class auto_delete_file
{
public:
auto_delete_file(HANDLE hFile) : m_handle(hFile) {}
auto_delete_file(const auto_delete_file&) = delete;
auto_delete_file& operator=(const auto_delete_file&) = delete;
~auto_delete_file()
{
if (m_handle)
{
FILE_DISPOSITION_INFO info = { 0 };
info.DeleteFile = TRUE;
(void)SetFileInformationByHandle(m_handle, FileDispositionInfo, &info, sizeof(info));
}
}
void clear() { m_handle = 0; }
private:
HANDLE m_handle;
};