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authorDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
committerDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
commitbd6336c629841c6db3a6ca53a936d629d34db53b (patch)
tree3721ef997864108df175ce677a8a7d4342a6f1d2 /shared/Thumbnail/thumbnail.cpp
parent4.0 (diff)
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4.1
Diffstat (limited to 'shared/Thumbnail/thumbnail.cpp')
-rw-r--r--shared/Thumbnail/thumbnail.cpp167
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;
-} \ No newline at end of file
bgstack15