Add ktx

2026-06-14 19:09:18 +01:00
parent 14bd1a9271
commit 13fa90a0e9
3958 changed files with 999286 additions and 4 deletions
@@ -0,0 +1,118 @@
+#include <Windows.h>
+#include <ShlObj.h>
+#include <tchar.h>
+
+#include <new>
+
+#include "basisthumbprovider.h"
+
+#define SHELLEX_THUMBNAIL_CLSID _T("ShellEx\\{E357FCCD-A995-4576-B01F-234630154E96}")
+#define SHELLEX_PREVIEWER_CLSID _T("ShellEx\\{8895B1C6-B41F-4C1C-A562-0D564250836F}")
+
+#define THUMBNAIL_HANDLER_TITLE _T("Basis Thumbnail Handler")
+#define THUMBNAIL_HANDLER_CLSID _T("{CD1F0EA0-283C-4D90-A41D-DEBD9207D91F}")
+
+#define PREVIEWER_HANDLER_TITLE _T("Basis Previewer Handler")
+#define PREVIEWER_HANDLER_CLSID _T("{7B5DA275-3BB6-45AE-B0EB-E50187A28F13}")
+
+#define FILE_EXTENSION _T(".basis")
+
+static const CLSID CLSID_ThumbnailHandler = {0xCD1F0EA0, 0x283C, 0x4D90, {0xA4, 0x1D, 0xDE, 0xBD, 0x92, 0x07, 0xD9, 0x1F}};
+static const CLSID CLSID_PreviewerHandler = {0x7B5DA275, 0x3BB6, 0x45AE, {0xB0, 0xEB, 0xE5, 0x01, 0x87, 0xA2, 0x8F, 0x13}};
+
+static TCHAR dllPath[MAX_PATH] = {0};
+
+static LONG dllRefs = 0;
+
+#ifndef BAIL_ON_FAIL
+#define BAIL_ON_FAIL(code) if (FAILED((hr = (code)))) return hr
+#endif
+
+static HRESULT setRegKey(HKEY root, LPTSTR key, LPTSTR val, LPTSTR data) {
+	HKEY hKey;
+	HRESULT hr = HRESULT_FROM_WIN32(RegCreateKeyEx(root, key, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_SET_VALUE, NULL, &hKey, NULL));
+	if (SUCCEEDED(hr)) {
+		hr = HRESULT_FROM_WIN32(RegSetValueEx(hKey, val, 0, REG_SZ, reinterpret_cast<LPBYTE>(data), static_cast<DWORD>(_tcslen(data) * sizeof TCHAR)));
+		RegCloseKey(hKey);
+	}
+	return hr;
+}
+
+BOOL APIENTRY DllMain(HMODULE hInstDLL, DWORD reason, LPVOID /*reserved*/) {
+	if (reason == DLL_PROCESS_ATTACH) {
+		OutputDebugString(_T("DllMain"));
+		if (GetModuleFileName(hInstDLL, dllPath, sizeof dllPath) == 0) {
+		#ifdef _DEBUG
+			OutputDebugString(_T("Failed to obtain DLL path"));
+		#endif
+		}
+		DisableThreadLibraryCalls(hInstDLL);
+	}
+	return TRUE;
+}
+
+
+STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv) {
+	HRESULT hr = CLASS_E_CLASSNOTAVAILABLE;
+	if (IsEqualCLSID(CLSID_ThumbnailHandler, rclsid)) {
+		hr = E_OUTOFMEMORY;
+		if (IClassFactory* factory = new (std::nothrow) BasisThumbProviderFactory()) {
+			hr = factory->QueryInterface(riid, ppv);
+			factory->Release();
+		}
+	}
+	return hr;
+}
+
+void DllAddRef() {
+#ifdef _DEBUG
+	OutputDebugString(_T("DllAddRef"));
+#endif
+	InterlockedIncrement(&dllRefs);
+}
+
+void DllRelease() {
+#ifdef _DEBUG
+	OutputDebugString(_T("DllRelease"));
+#endif
+	InterlockedDecrement(&dllRefs);
+}
+
+STDAPI DllCanUnloadNow() {
+#ifdef _DEBUG
+	OutputDebugString(_T("DllCanUnloadNow"));
+#endif
+	return (dllRefs == 0) ? S_OK : S_FALSE;
+}
+
+// regsvr32 /s previewers.dll
+STDAPI DllRegisterServer() {
+	HRESULT hr = E_FAIL;
+	if (_tcslen(dllPath)) {
+		BAIL_ON_FAIL(setRegKey(HKEY_LOCAL_MACHINE, _T("Software\\Classes\\CLSID\\") THUMBNAIL_HANDLER_CLSID,                        NULL,                 THUMBNAIL_HANDLER_TITLE));
+		BAIL_ON_FAIL(setRegKey(HKEY_LOCAL_MACHINE, _T("Software\\Classes\\CLSID\\") THUMBNAIL_HANDLER_CLSID _T("\\InProcServer32"), NULL,                 dllPath));
+		BAIL_ON_FAIL(setRegKey(HKEY_LOCAL_MACHINE, _T("Software\\Classes\\CLSID\\") THUMBNAIL_HANDLER_CLSID _T("\\InProcServer32"), _T("ThreadingModel"), _T("Apartment")));
+		BAIL_ON_FAIL(setRegKey(HKEY_LOCAL_MACHINE, _T("Software\\Classes\\") FILE_EXTENSION _T("\\") SHELLEX_THUMBNAIL_CLSID,       NULL,                 THUMBNAIL_HANDLER_CLSID));
+		SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);
+	}
+#ifdef _DEBUG
+	if (SUCCEEDED(hr)) {
+		OutputDebugString(_T("Previewer successfully registered"));
+	}
+#endif
+	return hr;
+}
+
+// regsvr32 /s /u previewers.dll
+STDAPI DllUnregisterServer() {
+	HRESULT hr = HRESULT_FROM_WIN32(RegDeleteTree(HKEY_LOCAL_MACHINE, _T("Software\\Classes\\CLSID\\") THUMBNAIL_HANDLER_CLSID));
+	if (SUCCEEDED(hr)) {
+		hr = HRESULT_FROM_WIN32(RegDeleteTree(HKEY_LOCAL_MACHINE, _T("Software\\Classes\\") FILE_EXTENSION _T("\\") SHELLEX_THUMBNAIL_CLSID));
+	}
+#ifdef _DEBUG
+	if (SUCCEEDED(hr)) {
+		OutputDebugString(_T("Previewer successfully unregistered"));
+	}
+#endif
+	return hr;
+}