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Diffstat (limited to 'shared/Thumbnail/thumbnail.cpp')
| -rw-r--r-- | shared/Thumbnail/thumbnail.cpp | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/shared/Thumbnail/thumbnail.cpp b/shared/Thumbnail/thumbnail.cpp deleted file mode 100644 index 51635ff9..00000000 --- a/shared/Thumbnail/thumbnail.cpp +++ /dev/null @@ -1,167 +0,0 @@ -// ************************************************************************** -// * This file is part of the FreeFileSync project. It is distributed under * -// * GNU General Public License: http://www.gnu.org/licenses/gpl.html * -// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) * -// ************************************************************************** - -#include "thumbnail.h" - -#define WIN32_LEAN_AND_MEAN -#include "windows.h" - -#define STRICT_TYPED_ITEMIDS //better type safety for IDLists -#include <Shlobj.h> - -#include <Shellapi.h> -#include <CommonControls.h> -#include "../com_ptr.h" -#include "../string_tools.h" -#include "../loki/ScopeGuard.h" -//#include "../perf.h" - -using namespace zen; - - -thumb::HICON thumb::getThumbnail(const wchar_t* filename, int requestedSize) //return 0 on failure, caller takes ownership! -{ - const std::wstring filenameStr(filename); - - util::ComPtr<IShellFolder> shellFolder; - { - HRESULT hr = ::SHGetDesktopFolder(shellFolder.init()); - if (FAILED(hr) || !shellFolder) - return NULL; - } - - PIDLIST_RELATIVE pidlFolder = NULL; - { - const std::wstring pathName = beforeLast(filenameStr, '\\'); - HRESULT hr = shellFolder->ParseDisplayName(NULL, // [in] HWND hwnd, - NULL, // [in] IBindCtx *pbc, - const_cast<LPWSTR>(pathName.c_str()), // [in] LPWSTR pszDisplayName, - NULL, // [out] ULONG *pchEaten, - &pidlFolder, // [out] PIDLIST_RELATIVE* ppidl, - NULL); // [in, out] ULONG *pdwAttributes - if (FAILED(hr) || !pidlFolder) - return NULL; - } - LOKI_ON_BLOCK_EXIT2(::ILFree(pidlFolder)); //older version: ::CoTaskMemFree - - util::ComPtr<IShellFolder> imageFolder; - { - HRESULT hr = shellFolder->BindToObject(pidlFolder, // [in] PCUIDLIST_RELATIVE pidl, - NULL, - IID_PPV_ARGS(imageFolder.init())); - if (FAILED(hr) || !imageFolder) - return NULL; - } - - PIDLIST_RELATIVE pidImage = NULL; - { - const std::wstring shortName = afterLast(filenameStr, '\\'); - HRESULT hr = imageFolder->ParseDisplayName(NULL, // [in] HWND hwnd, - NULL, // [in] IBindCtx *pbc, - const_cast<LPWSTR>(shortName.c_str()), // [in] LPWSTR pszDisplayName, - NULL, // [out] ULONG *pchEaten, - &pidImage, // [out] PIDLIST_RELATIVE *ppidl, - NULL); // [in, out] ULONG *pdwAttributes - if (FAILED(hr) || !pidImage) - return NULL; - } - LOKI_ON_BLOCK_EXIT2(::ILFree(pidImage)); //older version: ::CoTaskMemFree - - util::ComPtr<IExtractImage> extractImage; - { - PCUITEMID_CHILD_ARRAY pidlIn = reinterpret_cast<PCUITEMID_CHILD_ARRAY>(&pidImage); - //this is where STRICT_TYPED_ITEMIDS gets us ;) - - HRESULT hr = imageFolder->GetUIObjectOf(NULL, // [in] HWND hwndOwner, - 1, // [in] UINT cidl, - pidlIn, // [in] PCUITEMID_CHILD_ARRAY apidl, - IID_IExtractImage, // [in] REFIID riid, - NULL, // [in, out] UINT *rgfReserved, - reinterpret_cast<void**>(extractImage.init())); // [out] void **ppv - if (FAILED(hr) || !extractImage) - return NULL; - } - - { - wchar_t pathBuffer[MAX_PATH]; - DWORD priority = 0; - const SIZE prgSize = { requestedSize, requestedSize }; //preferred size only! - DWORD clrDepth = 32; - DWORD flags = IEIFLAG_SCREEN | IEIFLAG_OFFLINE; - - HRESULT hr = extractImage->GetLocation(pathBuffer, // [out] LPWSTR pszPathBuffer, - MAX_PATH, // [in] DWORD cchMax, - &priority, // [out] DWORD *pdwPriority, - &prgSize, // [in] const SIZE *prgSize, - clrDepth, // [in] DWORD dwRecClrDepth, - &flags); // [in, out] DWORD *pdwFlags - if (FAILED(hr)) - return NULL; - } - - HBITMAP bitmap = NULL; - { - HRESULT hr = extractImage->Extract(&bitmap); - if (FAILED(hr) || !bitmap) - return NULL; - } - LOKI_ON_BLOCK_EXIT2(::DeleteObject(bitmap)); - - - BITMAP bmpInfo = {}; - if (::GetObject(bitmap, //__in HGDIOBJ hgdiobj, - sizeof(bmpInfo), //__in int cbBuffer, - &bmpInfo) == 0) //__out LPVOID lpvObject - return NULL; - - HBITMAP bitmapMask = ::CreateCompatibleBitmap(::GetDC(NULL), bmpInfo.bmWidth, bmpInfo.bmHeight); - if (bitmapMask == 0) - return NULL; - LOKI_ON_BLOCK_EXIT2(::DeleteObject(bitmapMask)); - - ICONINFO iconInfo = {}; - iconInfo.fIcon = true; - iconInfo.hbmColor = bitmap; - iconInfo.hbmMask = bitmapMask; - - return ::CreateIconIndirect(&iconInfo); -} - - -thumb::HICON thumb::getIconByIndex(int iconIndex, int shilIconType) //return 0 on failure, caller takes ownership! -{ - //Note: using IExtractIcon::Extract is *no* alternative, just as ::SHGetFileInfo(), it only supports small (16x16) and large (32x32) icons - - util::ComPtr<IImageList> imageList; //perf: 0,12 µs only to get the image list - { - HRESULT hr = ::SHGetImageList(shilIconType, //__in int iImageList, - IID_PPV_ARGS(imageList.init())); - if (FAILED(hr) || !imageList) - return NULL; - } - - bool hasAlpha = false; //perf: 0,14 µs - { - DWORD flags = 0; - HRESULT hr = imageList->GetItemFlags(iconIndex, //[in] int i, - &flags); //[out] DWORD *dwFlags - if (SUCCEEDED(hr)) - hasAlpha = flags & ILIF_ALPHA; - } - - ::HICON hIcon = NULL; //perf: 1,5 ms - the dominant block - { - HRESULT hr = imageList->GetIcon(iconIndex, // [in] int i, - hasAlpha ? ILD_IMAGE : ILD_NORMAL, // [in] UINT flags, - //ILD_IMAGE -> do not draw mask - fixes glitch with ILD_NORMAL where both mask *and* alpha channel are applied, e.g. for ffs_batch and folder icon - //other flags: http://msdn.microsoft.com/en-us/library/windows/desktop/bb775230(v=vs.85).aspx - &hIcon); // [out] HICON *picon - if (FAILED(hr) || !hIcon) - return NULL; - } - - return hIcon; -}
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