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Tocchann/LoadPngFromResouce

Created September 27, 2021 15:18
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リソースに格納したPNGをGDI+でロードする(エラーチェックなし版)
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LoadPngFromResouce
// リソースファイル上はこんな感じで格納
// #define IDB_PNG 12345
// IDB_PNG PNG "res\\png.png"
Gdiplus::Bitmap* LoadPngFromResource( HINSTANCE hInst, UINT resID )
{
HRSRC hResInfo = FindResource( hInst, MAKEINTRESOURCE(resID), _T("PNG") );
HGLOBAL hResImage = LoadResource( hModule, hResInfo );
DWORD size = SizeofResource( hModule, hResInfo );
const BYTE* srcImage = static_cast<const BYTE*>( LockResource( hResImage ) );
IStreamPtr ptrStream( SHCreateMemStream( srcImage, size ) );
return new Gdiplus::Bitmap( ptrStream );
}
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#include <comdef.h> が必要(IStreamPtrのため)なのを忘れているｗ

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