mirror of
https://github.com/reactos/reactos.git
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Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.
This commit is contained in:
Colin Finck
parent
b94e2d8ca0
commit
c2c66aff7d
24198 changed files with 0 additions and 37285 deletions
592
base/applications/clipbrd/fileutils.c
Normal file
592
base/applications/clipbrd/fileutils.c
Normal file
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@ -0,0 +1,592 @@
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Clipboard Viewer
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* FILE: base/applications/clipbrd/fileutils.c
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* PURPOSE: Clipboard file format helper functions.
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* PROGRAMMERS: Ricardo Hanke
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* Hermes Belusca-Maito
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*/
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#include "precomp.h"
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static HGLOBAL ClipboardReadMemoryBlock(HANDLE hFile, DWORD dwOffset, DWORD dwLength)
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{
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HGLOBAL hData;
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LPVOID lpData;
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DWORD dwBytesRead;
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hData = GlobalAlloc(GHND, dwLength);
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if (!hData)
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return NULL;
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lpData = GlobalLock(hData);
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if (!lpData)
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{
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GlobalFree(hData);
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return NULL;
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}
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if (SetFilePointer(hFile, dwOffset, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
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{
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GlobalUnlock(hData);
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GlobalFree(hData);
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return NULL;
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}
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if (!ReadFile(hFile, lpData, dwLength, &dwBytesRead, NULL))
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{
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GlobalUnlock(hData);
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GlobalFree(hData);
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return NULL;
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}
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GlobalUnlock(hData);
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return hData;
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}
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static BOOL ClipboardReadMemory(HANDLE hFile, DWORD dwFormat, DWORD dwOffset, DWORD dwLength, WORD FileIdentifier, PVOID lpFormatName)
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{
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HGLOBAL hData;
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DWORD dwTemp = 0;
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hData = ClipboardReadMemoryBlock(hFile, dwOffset, dwLength);
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if (!hData)
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return FALSE;
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if ((dwFormat >= 0xC000) && (dwFormat <= 0xFFFF))
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{
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if (FileIdentifier == CLIP_FMT_31)
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dwTemp = RegisterClipboardFormatA((LPCSTR)lpFormatName);
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else if ((FileIdentifier == CLIP_FMT_NT) || (FileIdentifier == CLIP_FMT_BK))
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dwTemp = RegisterClipboardFormatW((LPCWSTR)lpFormatName);
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if (!dwTemp)
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{
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GlobalFree(hData);
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return FALSE;
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}
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}
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else
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{
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dwTemp = dwFormat;
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}
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if (!SetClipboardData(dwTemp, hData))
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{
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GlobalFree(hData);
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return FALSE;
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}
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return TRUE;
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}
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static BOOL ClipboardWriteMemory(HANDLE hFile, DWORD dwFormat, DWORD dwOffset, PDWORD pdwLength)
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{
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HGLOBAL hData;
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LPVOID lpData;
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DWORD dwBytesWritten;
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hData = GetClipboardData(dwFormat);
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if (!hData)
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return FALSE;
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lpData = GlobalLock(hData);
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if (!lpData)
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return FALSE;
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*pdwLength = GlobalSize(hData);
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if (SetFilePointer(hFile, dwOffset, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
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{
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GlobalUnlock(hData);
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return FALSE;
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}
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if (!WriteFile(hFile, lpData, *pdwLength, &dwBytesWritten, NULL))
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{
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GlobalUnlock(hData);
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return FALSE;
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}
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GlobalUnlock(hData);
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return TRUE;
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}
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static BOOL ClipboardReadPalette(HANDLE hFile, DWORD dwOffset, DWORD dwLength)
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{
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LPLOGPALETTE lpPalette;
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HPALETTE hPalette;
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HGLOBAL hData;
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hData = ClipboardReadMemoryBlock(hFile, dwOffset, dwLength);
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if (!hData)
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{
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return FALSE;
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}
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lpPalette = GlobalLock(hData);
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if (!lpPalette)
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{
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GlobalFree(hData);
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return FALSE;
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}
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hPalette = CreatePalette(lpPalette);
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if (!hPalette)
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{
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GlobalUnlock(hData);
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GlobalFree(hData);
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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GlobalUnlock(hData);
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GlobalFree(hData);
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if (!SetClipboardData(CF_PALETTE, hPalette))
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{
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DeleteObject(hPalette);
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return FALSE;
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}
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return TRUE;
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}
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static BOOL ClipboardReadMetafile(HANDLE hFile, DWORD dwOffset, DWORD dwLength)
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{
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HMETAFILE hMf;
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HGLOBAL hData;
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LPVOID lpData;
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hData = ClipboardReadMemoryBlock(hFile, dwOffset, dwLength);
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if (!hData)
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{
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return FALSE;
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}
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lpData = GlobalLock(hData);
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if (!lpData)
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{
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GlobalFree(hData);
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return FALSE;
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}
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hMf = SetMetaFileBitsEx(dwLength, lpData);
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GlobalUnlock(hData);
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GlobalFree(hData);
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if (!hMf)
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{
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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if (!SetClipboardData(CF_METAFILEPICT, hMf))
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{
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DeleteMetaFile(hMf);
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return FALSE;
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}
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return TRUE;
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}
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static BOOL ClipboardReadEnhMetafile(HANDLE hFile, DWORD dwOffset, DWORD dwLength)
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{
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HENHMETAFILE hEmf;
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HGLOBAL hData;
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LPVOID lpData;
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hData = ClipboardReadMemoryBlock(hFile, dwOffset, dwLength);
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if (!hData)
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{
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return FALSE;
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}
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lpData = GlobalLock(hData);
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if (!lpData)
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{
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GlobalFree(hData);
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return FALSE;
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}
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hEmf = SetEnhMetaFileBits(dwLength, lpData);
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GlobalUnlock(hData);
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GlobalFree(hData);
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if (!hEmf)
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{
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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if (!SetClipboardData(CF_ENHMETAFILE, hEmf))
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{
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DeleteEnhMetaFile(hEmf);
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return FALSE;
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}
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return TRUE;
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}
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static BOOL ClipboardReadBitmap(HANDLE hFile, DWORD dwOffset, DWORD dwLength)
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{
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HGLOBAL hData;
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HBITMAP hBitmap;
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LPBITMAP lpBitmap;
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hData = ClipboardReadMemoryBlock(hFile, dwOffset, dwLength);
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if (!hData)
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{
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return FALSE;
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}
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lpBitmap = GlobalLock(hData);
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if (!lpBitmap)
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{
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GlobalFree(hData);
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return FALSE;
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}
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lpBitmap->bmBits = lpBitmap + sizeof(BITMAP) + 1;
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hBitmap = CreateBitmapIndirect(lpBitmap);
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GlobalUnlock(hData);
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GlobalFree(hData);
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if (!hBitmap)
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{
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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if (!SetClipboardData(CF_BITMAP, hBitmap))
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{
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DeleteObject(hBitmap);
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return FALSE;
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}
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return TRUE;
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}
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void ReadClipboardFile(LPCWSTR lpFileName)
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{
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CLIPFILEHEADER ClipFileHeader;
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CLIPFORMATHEADER ClipFormatArray;
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NTCLIPFILEHEADER NtClipFileHeader;
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NTCLIPFORMATHEADER NtClipFormatArray;
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PVOID pClipFileHeader;
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PVOID pClipFormatArray;
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DWORD SizeOfFileHeader, SizeOfFormatHeader;
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WORD wFileIdentifier;
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WORD wFormatCount;
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DWORD dwFormatID;
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DWORD dwLenData;
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DWORD dwOffData;
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PVOID szName;
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HANDLE hFile;
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DWORD dwBytesRead;
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BOOL bResult;
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int i;
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/* Open the file for read access */
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hFile = CreateFileW(lpFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (hFile == INVALID_HANDLE_VALUE)
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{
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ShowLastWin32Error(Globals.hMainWnd);
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goto done;
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}
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/* Just read enough bytes to get the clipboard file format ID */
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if (!ReadFile(hFile, &wFileIdentifier, sizeof(wFileIdentifier), &dwBytesRead, NULL))
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{
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ShowLastWin32Error(Globals.hMainWnd);
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goto done;
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}
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/* Set data according to the clipboard file format ID */
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switch (wFileIdentifier)
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{
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case CLIP_FMT_31:
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SizeOfFileHeader = sizeof(CLIPFILEHEADER);
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SizeOfFormatHeader = sizeof(CLIPFORMATHEADER);
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pClipFileHeader = &ClipFileHeader;
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pClipFormatArray = &ClipFormatArray;
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break;
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case CLIP_FMT_NT:
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case CLIP_FMT_BK:
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SizeOfFileHeader = sizeof(NTCLIPFILEHEADER);
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SizeOfFormatHeader = sizeof(NTCLIPFORMATHEADER);
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pClipFileHeader = &NtClipFileHeader;
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pClipFormatArray = &NtClipFormatArray;
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break;
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default:
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MessageBoxRes(Globals.hMainWnd, Globals.hInstance, ERROR_INVALID_FILE_FORMAT, 0, MB_ICONSTOP | MB_OK);
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goto done;
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}
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/* Completely read the header */
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SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
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if (!ReadFile(hFile, pClipFileHeader, SizeOfFileHeader, &dwBytesRead, NULL) ||
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dwBytesRead != SizeOfFileHeader)
|
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{
|
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ShowLastWin32Error(Globals.hMainWnd);
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goto done;
|
||||
}
|
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|
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/* Get header data */
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||||
switch (wFileIdentifier)
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{
|
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case CLIP_FMT_31:
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assert(wFileIdentifier == ((CLIPFILEHEADER*)pClipFileHeader)->wFileIdentifier);
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wFormatCount = ((CLIPFILEHEADER*)pClipFileHeader)->wFormatCount;
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||||
break;
|
||||
|
||||
case CLIP_FMT_NT:
|
||||
case CLIP_FMT_BK:
|
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assert(wFileIdentifier == ((NTCLIPFILEHEADER*)pClipFileHeader)->wFileIdentifier);
|
||||
wFormatCount = ((NTCLIPFILEHEADER*)pClipFileHeader)->wFormatCount;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Loop through the format data array */
|
||||
for (i = 0; i < wFormatCount; i++)
|
||||
{
|
||||
if (SetFilePointer(hFile, SizeOfFileHeader + i * SizeOfFormatHeader, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
|
||||
{
|
||||
ShowLastWin32Error(Globals.hMainWnd);
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (!ReadFile(hFile, pClipFormatArray, SizeOfFormatHeader, &dwBytesRead, NULL))
|
||||
{
|
||||
ShowLastWin32Error(Globals.hMainWnd);
|
||||
goto done;
|
||||
}
|
||||
|
||||
/* Get format data */
|
||||
switch (wFileIdentifier)
|
||||
{
|
||||
case CLIP_FMT_31:
|
||||
dwFormatID = ((CLIPFORMATHEADER*)pClipFormatArray)->dwFormatID;
|
||||
dwLenData = ((CLIPFORMATHEADER*)pClipFormatArray)->dwLenData;
|
||||
dwOffData = ((CLIPFORMATHEADER*)pClipFormatArray)->dwOffData;
|
||||
szName = ((CLIPFORMATHEADER*)pClipFormatArray)->szName;
|
||||
break;
|
||||
|
||||
case CLIP_FMT_NT:
|
||||
case CLIP_FMT_BK:
|
||||
dwFormatID = ((NTCLIPFORMATHEADER*)pClipFormatArray)->dwFormatID;
|
||||
dwLenData = ((NTCLIPFORMATHEADER*)pClipFormatArray)->dwLenData;
|
||||
dwOffData = ((NTCLIPFORMATHEADER*)pClipFormatArray)->dwOffData;
|
||||
szName = ((NTCLIPFORMATHEADER*)pClipFormatArray)->szName;
|
||||
break;
|
||||
}
|
||||
|
||||
switch (dwFormatID)
|
||||
{
|
||||
case CF_OWNERDISPLAY:
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
case CF_BITMAP:
|
||||
case CF_DSPBITMAP:
|
||||
{
|
||||
bResult = ClipboardReadBitmap(hFile, dwOffData, dwLenData);
|
||||
break;
|
||||
}
|
||||
|
||||
case CF_METAFILEPICT:
|
||||
case CF_DSPMETAFILEPICT:
|
||||
{
|
||||
bResult = ClipboardReadMetafile(hFile, dwOffData, dwLenData);
|
||||
break;
|
||||
}
|
||||
|
||||
case CF_ENHMETAFILE:
|
||||
case CF_DSPENHMETAFILE:
|
||||
{
|
||||
bResult = ClipboardReadEnhMetafile(hFile, dwOffData, dwLenData);
|
||||
break;
|
||||
}
|
||||
|
||||
case CF_PALETTE:
|
||||
{
|
||||
bResult = ClipboardReadPalette(hFile, dwOffData, dwLenData);
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
{
|
||||
if ((dwFormatID < CF_PRIVATEFIRST) || (dwFormatID > CF_PRIVATELAST))
|
||||
{
|
||||
bResult = ClipboardReadMemory(hFile, dwFormatID, dwOffData, dwLenData, wFileIdentifier, szName);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!bResult)
|
||||
ShowLastWin32Error(Globals.hMainWnd);
|
||||
}
|
||||
|
||||
done:
|
||||
if (hFile != INVALID_HANDLE_VALUE)
|
||||
CloseHandle(hFile);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
void WriteClipboardFile(LPCWSTR lpFileName, WORD wFileIdentifier)
|
||||
{
|
||||
CLIPFILEHEADER ClipFileHeader;
|
||||
CLIPFORMATHEADER ClipFormatArray;
|
||||
NTCLIPFILEHEADER NtClipFileHeader;
|
||||
NTCLIPFORMATHEADER NtClipFormatArray;
|
||||
PVOID pClipFileHeader;
|
||||
PVOID pClipFormatArray;
|
||||
DWORD SizeOfFileHeader, SizeOfFormatHeader;
|
||||
|
||||
WORD wFormatCount;
|
||||
DWORD dwFormatID;
|
||||
DWORD dwLenData;
|
||||
DWORD dwOffData;
|
||||
// PVOID szName;
|
||||
|
||||
HANDLE hFile;
|
||||
DWORD dwBytesWritten;
|
||||
int i;
|
||||
|
||||
/* Create the file for write access */
|
||||
hFile = CreateFileW(lpFileName, GENERIC_WRITE, 0, NULL,
|
||||
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
||||
if (hFile == INVALID_HANDLE_VALUE)
|
||||
{
|
||||
ShowLastWin32Error(Globals.hMainWnd);
|
||||
goto done;
|
||||
}
|
||||
|
||||
wFormatCount = CountClipboardFormats();
|
||||
|
||||
/* Select the file format and setup the header according to the clipboard file format ID */
|
||||
switch (wFileIdentifier)
|
||||
{
|
||||
case CLIP_FMT_31:
|
||||
SizeOfFileHeader = sizeof(CLIPFILEHEADER);
|
||||
SizeOfFormatHeader = sizeof(CLIPFORMATHEADER);
|
||||
pClipFileHeader = &ClipFileHeader;
|
||||
pClipFormatArray = &ClipFormatArray;
|
||||
|
||||
ClipFileHeader.wFileIdentifier = CLIP_FMT_31; // wFileIdentifier
|
||||
ClipFileHeader.wFormatCount = wFormatCount;
|
||||
break;
|
||||
|
||||
case CLIP_FMT_NT:
|
||||
case CLIP_FMT_BK:
|
||||
SizeOfFileHeader = sizeof(NTCLIPFILEHEADER);
|
||||
SizeOfFormatHeader = sizeof(NTCLIPFORMATHEADER);
|
||||
pClipFileHeader = &NtClipFileHeader;
|
||||
pClipFormatArray = &NtClipFormatArray;
|
||||
|
||||
NtClipFileHeader.wFileIdentifier = CLIP_FMT_NT; // wFileIdentifier
|
||||
NtClipFileHeader.wFormatCount = wFormatCount;
|
||||
break;
|
||||
|
||||
default:
|
||||
MessageBoxRes(Globals.hMainWnd, Globals.hInstance, ERROR_INVALID_FILE_FORMAT, 0, MB_ICONSTOP | MB_OK);
|
||||
goto done;
|
||||
}
|
||||
|
||||
/* Write the header */
|
||||
SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
|
||||
if (!WriteFile(hFile, pClipFileHeader, SizeOfFileHeader, &dwBytesWritten, NULL) ||
|
||||
dwBytesWritten != SizeOfFileHeader)
|
||||
{
|
||||
ShowLastWin32Error(Globals.hMainWnd);
|
||||
goto done;
|
||||
}
|
||||
|
||||
/* Compute where the data should start (after the file header and the format array) */
|
||||
dwOffData = SizeOfFileHeader + wFormatCount * SizeOfFormatHeader;
|
||||
|
||||
/* Loop through each format and save the data */
|
||||
i = 0;
|
||||
dwFormatID = EnumClipboardFormats(0);
|
||||
while (dwFormatID)
|
||||
{
|
||||
if (i >= wFormatCount)
|
||||
{
|
||||
/* Must never happen! */
|
||||
assert(FALSE);
|
||||
break;
|
||||
}
|
||||
|
||||
/* Write the clipboard data at the specified offset, and retrieve its length */
|
||||
if (!ClipboardWriteMemory(hFile, dwFormatID, dwOffData, &dwLenData))
|
||||
goto Cont;
|
||||
|
||||
/* Write the format data header */
|
||||
switch (wFileIdentifier)
|
||||
{
|
||||
case CLIP_FMT_31:
|
||||
ZeroMemory(pClipFormatArray, sizeof(CLIPFORMATHEADER));
|
||||
((CLIPFORMATHEADER*)pClipFormatArray)->dwFormatID = dwFormatID;
|
||||
((CLIPFORMATHEADER*)pClipFormatArray)->dwLenData = dwLenData;
|
||||
((CLIPFORMATHEADER*)pClipFormatArray)->dwOffData = dwOffData;
|
||||
RetrieveClipboardFormatName(Globals.hInstance,
|
||||
dwFormatID,
|
||||
FALSE,
|
||||
((CLIPFORMATHEADER*)pClipFormatArray)->szName,
|
||||
ARRAYSIZE(((CLIPFORMATHEADER*)pClipFormatArray)->szName));
|
||||
break;
|
||||
|
||||
case CLIP_FMT_NT:
|
||||
case CLIP_FMT_BK:
|
||||
ZeroMemory(pClipFormatArray, sizeof(NTCLIPFORMATHEADER));
|
||||
((NTCLIPFORMATHEADER*)pClipFormatArray)->dwFormatID = dwFormatID;
|
||||
((NTCLIPFORMATHEADER*)pClipFormatArray)->dwLenData = dwLenData;
|
||||
((NTCLIPFORMATHEADER*)pClipFormatArray)->dwOffData = dwOffData;
|
||||
RetrieveClipboardFormatName(Globals.hInstance,
|
||||
dwFormatID,
|
||||
TRUE,
|
||||
((NTCLIPFORMATHEADER*)pClipFormatArray)->szName,
|
||||
ARRAYSIZE(((NTCLIPFORMATHEADER*)pClipFormatArray)->szName));
|
||||
break;
|
||||
}
|
||||
|
||||
if (SetFilePointer(hFile, SizeOfFileHeader + i * SizeOfFormatHeader, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
|
||||
{
|
||||
ShowLastWin32Error(Globals.hMainWnd);
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (!WriteFile(hFile, pClipFormatArray, SizeOfFormatHeader, &dwBytesWritten, NULL))
|
||||
{
|
||||
ShowLastWin32Error(Globals.hMainWnd);
|
||||
goto done;
|
||||
}
|
||||
|
||||
/* Adjust the offset for the next data stream */
|
||||
dwOffData += dwLenData;
|
||||
|
||||
Cont:
|
||||
i++;
|
||||
dwFormatID = EnumClipboardFormats(dwFormatID);
|
||||
}
|
||||
|
||||
done:
|
||||
if (hFile != INVALID_HANDLE_VALUE)
|
||||
CloseHandle(hFile);
|
||||
|
||||
return;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue