mirror of
https://github.com/reactos/reactos.git
synced 2025-02-24 09:25:10 +00:00
Copy Metafile.c to EnhMFile.c. Separating the code.
svn path=/trunk/; revision=28165
This commit is contained in:
James Tabor
parent
a7c1fcdf5b
commit
0fc46e2a68
3 changed files with 359 additions and 353 deletions
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@ -31,6 +31,7 @@
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<file>bitmap.c</file>
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<file>brush.c</file>
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<file>dc.c</file>
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<file>enhmfile.c</file>
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<file>font.c</file>
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<file>linedda.c</file>
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<file>metafile.c</file>
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352
reactos/dll/win32/gdi32/objects/enhmfile.c
Normal file
352
reactos/dll/win32/gdi32/objects/enhmfile.c
Normal file
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@ -0,0 +1,352 @@
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#include "precomp.h"
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/*
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* @unimplemented
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*/
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HENHMETAFILE
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STDCALL
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CloseEnhMetaFile(
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HDC hdc)
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{
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return NtGdiCloseEnhMetaFile(hdc);
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}
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#if 0 // Remove once new EnhMetaFile support is implemented.
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HDC WINAPI CreateEnhMetaFileW(
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HDC hDC, /* [in] optional reference DC */
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LPCWSTR filename, /* [in] optional filename for disk metafiles */
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const RECT* rect, /* [in] optional bounding rectangle */
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LPCWSTR description /* [in] optional description */
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)
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{
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HDC mDC;
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PDC_ATTR Dc_Attr;
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PLDC pLDC;
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HANDLE hFile;
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PENHMETAFILE EmfDC;
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DWORD size = 0, length = 0;
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mDC = NtGdiCreateMetafileDC( hDC ); // Basically changes the handle from 1xxxx to 46xxxx.
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// If hDC == NULL, works just like createdc in win32k.
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if ( !GdiGetHandleUserData((HGDIOBJ) mDC, (PVOID) &Dc_Attr))
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{
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SetLastError (ERROR_INVALID_PARAMETER);
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return NULL; // need to delete the handle?
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}
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pLDC = LocalAlloc(LMEM_ZEROINIT, sizeof(LDC));
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Dc_Attr->pvLDC = pLDC;
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pLDC->hDC = mDC;
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pLDC->iType = LDC_EMFDC
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if (description)
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{ /* App name\0Title\0\0 */
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length = lstrlenW(description);
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length += lstrlenW(description + length + 1);
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length += 3;
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length *= 2;
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}
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size = sizeof(ENHMETAFILE) + (length + 3) / 4 * 4;
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//Allocate ENHMETAFILE structure
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EmfDC = LocalAlloc(LMEM_ZEROINIT, sizeof(ENHMETAFILE));
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pLDC->pvEmfDC = EmfDC;
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EmfDC->handles_size = HANDLE_LIST_INC;
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EmfDC->cur_handles = 1;
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EmfDC->horzres = GetDeviceCaps(mDC, HORZRES);
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EmfDC->vertres = GetDeviceCaps(mDC, VERTRES);
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EmfDC->logpixelsx = GetDeviceCaps(mDC, LOGPIXELSX);
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EmfDC->logpixelsy = GetDeviceCaps(mDC, LOGPIXELSY);
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EmfDC->horzsize = GetDeviceCaps(mDC, HORZSIZE);
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EmfDC->vertsize = GetDeviceCaps(mDC, VERTSIZE);
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EmfDC->bitspixel = GetDeviceCaps(mDC, BITSPIXEL);
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EmfDC->textcaps = GetDeviceCaps(mDC, TEXTCAPS);
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EmfDC->rastercaps = GetDeviceCaps(mDC, RASTERCAPS);
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EmfDC->technology = GetDeviceCaps(mDC, TECHNOLOGY);
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EmfDC->planes = GetDeviceCaps(mDC, PLANES);
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EmfDC->emf = LocalAlloc(LMEM_ZEROINIT, size);
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EmfDC->emf->iType = EMR_HEADER;
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EmfDC->emf->nSize = size;
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EmfDC->emf->rclBounds.left = EmfDC->emf->rclBounds.top = 0;
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EmfDC->emf->rclBounds.right = EmfDC->emf->rclBounds.bottom = -1;
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if(rect)
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{
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EmfDC->emf->rclFrame.left = rect->left;
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EmfDC->emf->rclFrame.top = rect->top;
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EmfDC->emf->rclFrame.right = rect->right;
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EmfDC->emf->rclFrame.bottom = rect->bottom;
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}
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else
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{ /* Set this to {0,0 - -1,-1} and update it at the end */
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EmfDC->emf->rclFrame.left = EmfDC->emf->rclFrame.top = 0;
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EmfDC->emf->rclFrame.right = EmfDC->emf->rclFrame.bottom = -1;
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}
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EmfDC->emf->dSignature = ENHMETA_SIGNATURE;
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EmfDC->emf->nVersion = 0x10000;
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EmfDC->emf->nBytes = pLDC->pvEmfDC->nSize;
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EmfDC->emf->nRecords = 1;
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EmfDC->emf->nHandles = 1;
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EmfDC->emf->sReserved = 0; /* According to docs, this is reserved and must be 0 */
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EmfDC->emf->nDescription = length / 2;
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EmfDC->emf->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
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EmfDC->emf->nPalEntries = 0; /* I guess this should start at 0 */
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/* Size in pixels */
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EmfDC->emf->szlDevice.cx = EmfDC->horzres;
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EmfDC->emf->szlDevice.cy = EmfDC->vertres;
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/* Size in millimeters */
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EmfDC->emf->szlMillimeters.cx = EmfDC->horzsize;
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EmfDC->emf->szlMillimeters.cy = EmfDC->vertsize;
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/* Size in micrometers */
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EmfDC->emf->szlMicrometers.cx = EmfDC->horzsize * 1000;
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EmfDC->emf->szlMicrometers.cy = EmfDC->vertsize * 1000;
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RtlCopyMemory((char *)EmfDC->emf + sizeof(ENHMETAHEADER), description, length);
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if (filename) /* disk based metafile */
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{
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if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
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NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE)
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{
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EMFDRV_DeleteDC( EmfDC );
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return NULL;
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}
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if (!WriteFile( hFile, (LPSTR)EmfDC->emf, size, NULL, NULL ))
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{
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EMFDRV_DeleteDC( EmfDC );
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return NULL;
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}
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EmfDC.hFile = hFile;
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EmfDC.iType = METAFILE_DISK;
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}
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else
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EmfDC.iType = METAFILE_MEMORY;
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return mDC;
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}
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#endif
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/*
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* @implemented
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*/
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HENHMETAFILE
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STDCALL
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CopyEnhMetaFileW(
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HENHMETAFILE hemfSrc,
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LPCWSTR lpszFile
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)
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{
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return NtGdiCopyEnhMetaFile ( hemfSrc, lpszFile );
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}
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/*
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* @implemented
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*/
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HENHMETAFILE
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STDCALL
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CopyEnhMetaFileA(
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HENHMETAFILE hemfSrc,
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LPCSTR lpszFile
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)
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{
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NTSTATUS Status;
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LPWSTR lpszFileW;
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HENHMETAFILE rc = 0;
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Status = HEAP_strdupA2W ( &lpszFileW, lpszFile );
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if (!NT_SUCCESS (Status))
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SetLastError (RtlNtStatusToDosError(Status));
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else
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{
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rc = NtGdiCopyEnhMetaFile ( hemfSrc, lpszFileW );
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HEAP_free ( lpszFileW );
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}
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return rc;
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}
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/*
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* @implemented
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*/
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HDC
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STDCALL
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CreateEnhMetaFileW(
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HDC hdcRef,
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LPCWSTR lpFileName,
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CONST RECT *lpRect,
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LPCWSTR lpDescription
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)
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{
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return NtGdiCreateEnhMetaFile ( hdcRef, lpFileName, (CONST LPRECT)lpRect, lpDescription );
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}
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/*
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* @implemented
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*/
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HDC
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STDCALL
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CreateEnhMetaFileA(
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HDC hdcRef,
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LPCSTR lpFileName,
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CONST RECT *lpRect,
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LPCSTR lpDescription
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)
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{
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NTSTATUS Status;
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LPWSTR lpFileNameW, lpDescriptionW;
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HDC rc = 0;
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lpFileNameW = NULL;
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if (lpFileName != NULL)
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{
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Status = HEAP_strdupA2W ( &lpFileNameW, lpFileName );
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if (!NT_SUCCESS (Status))
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SetLastError (RtlNtStatusToDosError(Status));
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return rc;
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}
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lpDescriptionW = NULL;
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if (lpDescription != NULL)
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{
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Status = HEAP_strdupA2W ( &lpDescriptionW, lpDescription );
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if (!NT_SUCCESS (Status))
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SetLastError (RtlNtStatusToDosError(Status));
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return rc;
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}
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rc = NtGdiCreateEnhMetaFile (hdcRef, lpFileNameW, (CONST LPRECT)lpRect, lpDescriptionW );
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if (lpDescriptionW != NULL)
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HEAP_free ( lpDescriptionW );
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if (lpFileNameW != NULL)
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HEAP_free ( lpFileNameW );
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return rc;
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}
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/*
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* @implemented
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*/
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HENHMETAFILE
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STDCALL
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GetEnhMetaFileW(
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LPCWSTR lpszMetaFile
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)
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{
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return NtGdiGetEnhMetaFile ( lpszMetaFile );
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}
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/*
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* @implemented
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*/
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HENHMETAFILE
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STDCALL
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GetEnhMetaFileA(
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LPCSTR lpszMetaFile
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)
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{
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NTSTATUS Status;
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LPWSTR lpszMetaFileW;
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HENHMETAFILE rc = 0;
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Status = HEAP_strdupA2W ( &lpszMetaFileW, lpszMetaFile );
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if (!NT_SUCCESS (Status))
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SetLastError (RtlNtStatusToDosError(Status));
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else
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{
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rc = NtGdiGetEnhMetaFile ( lpszMetaFileW );
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HEAP_free ( lpszMetaFileW );
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}
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return rc;
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}
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/*
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* @implemented
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*/
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UINT
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STDCALL
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GetEnhMetaFileDescriptionW(
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HENHMETAFILE hemf,
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UINT cchBuffer,
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LPWSTR lpszDescription
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)
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{
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return NtGdiGetEnhMetaFileDescription ( hemf, cchBuffer, lpszDescription );
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}
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/*
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* @implemented
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*/
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UINT
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STDCALL
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GetEnhMetaFileDescriptionA(
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HENHMETAFILE hemf,
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UINT cchBuffer,
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LPSTR lpszDescription
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)
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{
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NTSTATUS Status;
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LPWSTR lpszDescriptionW;
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UINT rc;
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if ( lpszDescription && cchBuffer )
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{
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lpszDescriptionW = (LPWSTR)HEAP_alloc ( cchBuffer*sizeof(WCHAR) );
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if ( !lpszDescriptionW )
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{
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SetLastError (RtlNtStatusToDosError(STATUS_NO_MEMORY));
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return 0;
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}
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}
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else
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lpszDescriptionW = NULL;
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rc = NtGdiGetEnhMetaFileDescription ( hemf, cchBuffer, lpszDescriptionW );
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if ( lpszDescription && cchBuffer )
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{
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Status = RtlUnicodeToMultiByteN ( lpszDescription,
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cchBuffer,
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NULL,
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lpszDescriptionW,
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cchBuffer );
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HEAP_free ( lpszDescriptionW );
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if ( !NT_SUCCESS(Status) )
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{
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SetLastError (RtlNtStatusToDosError(Status));
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return 0;
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}
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}
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return rc;
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}
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@ -1,15 +1,5 @@
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#include "precomp.h"
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/*
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* @unimplemented
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*/
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HENHMETAFILE
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STDCALL
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CloseEnhMetaFile(
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HDC hdc)
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{
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return NtGdiCloseEnhMetaFile(hdc);
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}
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/*
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* @implemented
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@ -21,7 +11,7 @@ CopyMetaFileW(
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LPCWSTR lpszFile
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)
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{
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return NtGdiCopyMetaFile (hmfSrc, lpszFile);
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return NULL;
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}
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@ -44,8 +34,8 @@ CopyMetaFileA(
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SetLastError (RtlNtStatusToDosError(Status));
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else
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{
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rc = NtGdiCopyMetaFile ( hmfSrc, lpszFileW );
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rc = NULL;
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HEAP_free ( lpszFileW );
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}
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@ -62,7 +52,7 @@ CreateMetaFileW(
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LPCWSTR lpszFile
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)
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{
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return NtGdiCreateMetaFile ( lpszFile );
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return NULL;
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}
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@ -84,7 +74,7 @@ CreateMetaFileA(
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SetLastError (RtlNtStatusToDosError(Status));
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else
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{
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rc = NtGdiCreateMetaFile ( lpszFileW );
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rc = NULL;
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HEAP_free ( lpszFileW );
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}
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@ -101,7 +91,7 @@ GetMetaFileW(
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LPCWSTR lpszMetaFile
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)
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{
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return NtGdiGetMetaFile ( lpszMetaFile );
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return NULL;
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}
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|
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@ -123,7 +113,7 @@ GetMetaFileA(
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SetLastError (RtlNtStatusToDosError(Status));
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else
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{
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rc = NtGdiGetMetaFile ( lpszMetaFileW );
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rc = NULL;
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HEAP_free ( lpszMetaFileW );
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}
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|
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@ -131,341 +121,4 @@ GetMetaFileA(
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return rc;
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}
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|
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#if 0
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|
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HDC WINAPI CreateEnhMetaFileW(
|
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HDC hDC, /* [in] optional reference DC */
|
||||
LPCWSTR filename, /* [in] optional filename for disk metafiles */
|
||||
const RECT* rect, /* [in] optional bounding rectangle */
|
||||
LPCWSTR description /* [in] optional description */
|
||||
)
|
||||
{
|
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HDC mDC;
|
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PDC_ATTR Dc_Attr;
|
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PLDC pLDC;
|
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HANDLE hFile;
|
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PENHMETAFILE EmfDC;
|
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DWORD size = 0, length = 0;
|
||||
|
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mDC = NtGdiCreateMetafileDC( hDC ); // Basically changes the handle from 1xxxx to 46xxxx.
|
||||
// If hDC == NULL, works just like createdc in win32k.
|
||||
|
||||
if ( !GdiGetHandleUserData((HGDIOBJ) mDC, (PVOID) &Dc_Attr))
|
||||
{
|
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SetLastError (ERROR_INVALID_PARAMETER);
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return NULL; // need to delete the handle?
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||||
}
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||||
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pLDC = LocalAlloc(LMEM_ZEROINIT, sizeof(LDC));
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|
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Dc_Attr->pvLDC = pLDC;
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pLDC->hDC = mDC;
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pLDC->iType = LDC_EMFDC
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||||
|
||||
|
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if (description)
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{ /* App name\0Title\0\0 */
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length = lstrlenW(description);
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length += lstrlenW(description + length + 1);
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||||
length += 3;
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length *= 2;
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||||
}
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|
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size = sizeof(ENHMETAFILE) + (length + 3) / 4 * 4;
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||||
|
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//Allocate ENHMETAFILE structure
|
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EmfDC = LocalAlloc(LMEM_ZEROINIT, sizeof(ENHMETAFILE));
|
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pLDC->pvEmfDC = EmfDC;
|
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|
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EmfDC->handles_size = HANDLE_LIST_INC;
|
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EmfDC->cur_handles = 1;
|
||||
|
||||
EmfDC->horzres = GetDeviceCaps(mDC, HORZRES);
|
||||
EmfDC->vertres = GetDeviceCaps(mDC, VERTRES);
|
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EmfDC->logpixelsx = GetDeviceCaps(mDC, LOGPIXELSX);
|
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EmfDC->logpixelsy = GetDeviceCaps(mDC, LOGPIXELSY);
|
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EmfDC->horzsize = GetDeviceCaps(mDC, HORZSIZE);
|
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EmfDC->vertsize = GetDeviceCaps(mDC, VERTSIZE);
|
||||
EmfDC->bitspixel = GetDeviceCaps(mDC, BITSPIXEL);
|
||||
EmfDC->textcaps = GetDeviceCaps(mDC, TEXTCAPS);
|
||||
EmfDC->rastercaps = GetDeviceCaps(mDC, RASTERCAPS);
|
||||
EmfDC->technology = GetDeviceCaps(mDC, TECHNOLOGY);
|
||||
EmfDC->planes = GetDeviceCaps(mDC, PLANES);
|
||||
|
||||
EmfDC->emf = LocalAlloc(LMEM_ZEROINIT, size);
|
||||
|
||||
EmfDC->emf->iType = EMR_HEADER;
|
||||
EmfDC->emf->nSize = size;
|
||||
|
||||
EmfDC->emf->rclBounds.left = EmfDC->emf->rclBounds.top = 0;
|
||||
EmfDC->emf->rclBounds.right = EmfDC->emf->rclBounds.bottom = -1;
|
||||
|
||||
if(rect)
|
||||
{
|
||||
EmfDC->emf->rclFrame.left = rect->left;
|
||||
EmfDC->emf->rclFrame.top = rect->top;
|
||||
EmfDC->emf->rclFrame.right = rect->right;
|
||||
EmfDC->emf->rclFrame.bottom = rect->bottom;
|
||||
}
|
||||
else
|
||||
{ /* Set this to {0,0 - -1,-1} and update it at the end */
|
||||
EmfDC->emf->rclFrame.left = EmfDC->emf->rclFrame.top = 0;
|
||||
EmfDC->emf->rclFrame.right = EmfDC->emf->rclFrame.bottom = -1;
|
||||
}
|
||||
|
||||
EmfDC->emf->dSignature = ENHMETA_SIGNATURE;
|
||||
EmfDC->emf->nVersion = 0x10000;
|
||||
EmfDC->emf->nBytes = pLDC->pvEmfDC->nSize;
|
||||
EmfDC->emf->nRecords = 1;
|
||||
EmfDC->emf->nHandles = 1;
|
||||
|
||||
EmfDC->emf->sReserved = 0; /* According to docs, this is reserved and must be 0 */
|
||||
EmfDC->emf->nDescription = length / 2;
|
||||
|
||||
EmfDC->emf->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
|
||||
|
||||
EmfDC->emf->nPalEntries = 0; /* I guess this should start at 0 */
|
||||
|
||||
/* Size in pixels */
|
||||
EmfDC->emf->szlDevice.cx = EmfDC->horzres;
|
||||
EmfDC->emf->szlDevice.cy = EmfDC->vertres;
|
||||
|
||||
/* Size in millimeters */
|
||||
EmfDC->emf->szlMillimeters.cx = EmfDC->horzsize;
|
||||
EmfDC->emf->szlMillimeters.cy = EmfDC->vertsize;
|
||||
|
||||
/* Size in micrometers */
|
||||
EmfDC->emf->szlMicrometers.cx = EmfDC->horzsize * 1000;
|
||||
EmfDC->emf->szlMicrometers.cy = EmfDC->vertsize * 1000;
|
||||
|
||||
RtlCopyMemory((char *)EmfDC->emf + sizeof(ENHMETAHEADER), description, length);
|
||||
|
||||
if (filename) /* disk based metafile */
|
||||
{
|
||||
if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
|
||||
NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE)
|
||||
{
|
||||
EMFDRV_DeleteDC( EmfDC );
|
||||
return NULL;
|
||||
}
|
||||
if (!WriteFile( hFile, (LPSTR)EmfDC->emf, size, NULL, NULL ))
|
||||
{
|
||||
EMFDRV_DeleteDC( EmfDC );
|
||||
return NULL;
|
||||
}
|
||||
EmfDC.hFile = hFile;
|
||||
EmfDC.iType = METAFILE_DISK;
|
||||
}
|
||||
else
|
||||
EmfDC.iType = METAFILE_MEMORY;
|
||||
|
||||
return mDC;
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HENHMETAFILE
|
||||
STDCALL
|
||||
CopyEnhMetaFileW(
|
||||
HENHMETAFILE hemfSrc,
|
||||
LPCWSTR lpszFile
|
||||
)
|
||||
{
|
||||
return NtGdiCopyEnhMetaFile ( hemfSrc, lpszFile );
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HENHMETAFILE
|
||||
STDCALL
|
||||
CopyEnhMetaFileA(
|
||||
HENHMETAFILE hemfSrc,
|
||||
LPCSTR lpszFile
|
||||
)
|
||||
{
|
||||
NTSTATUS Status;
|
||||
LPWSTR lpszFileW;
|
||||
HENHMETAFILE rc = 0;
|
||||
|
||||
Status = HEAP_strdupA2W ( &lpszFileW, lpszFile );
|
||||
if (!NT_SUCCESS (Status))
|
||||
SetLastError (RtlNtStatusToDosError(Status));
|
||||
else
|
||||
{
|
||||
rc = NtGdiCopyEnhMetaFile ( hemfSrc, lpszFileW );
|
||||
|
||||
HEAP_free ( lpszFileW );
|
||||
}
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HDC
|
||||
STDCALL
|
||||
CreateEnhMetaFileW(
|
||||
HDC hdcRef,
|
||||
LPCWSTR lpFileName,
|
||||
CONST RECT *lpRect,
|
||||
LPCWSTR lpDescription
|
||||
)
|
||||
{
|
||||
return NtGdiCreateEnhMetaFile ( hdcRef, lpFileName, (CONST LPRECT)lpRect, lpDescription );
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HDC
|
||||
STDCALL
|
||||
CreateEnhMetaFileA(
|
||||
HDC hdcRef,
|
||||
LPCSTR lpFileName,
|
||||
CONST RECT *lpRect,
|
||||
LPCSTR lpDescription
|
||||
)
|
||||
{
|
||||
NTSTATUS Status;
|
||||
LPWSTR lpFileNameW, lpDescriptionW;
|
||||
HDC rc = 0;
|
||||
|
||||
lpFileNameW = NULL;
|
||||
if (lpFileName != NULL)
|
||||
{
|
||||
Status = HEAP_strdupA2W ( &lpFileNameW, lpFileName );
|
||||
if (!NT_SUCCESS (Status))
|
||||
SetLastError (RtlNtStatusToDosError(Status));
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
lpDescriptionW = NULL;
|
||||
if (lpDescription != NULL)
|
||||
{
|
||||
Status = HEAP_strdupA2W ( &lpDescriptionW, lpDescription );
|
||||
if (!NT_SUCCESS (Status))
|
||||
SetLastError (RtlNtStatusToDosError(Status));
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
rc = NtGdiCreateEnhMetaFile (hdcRef, lpFileNameW, (CONST LPRECT)lpRect, lpDescriptionW );
|
||||
|
||||
if (lpDescriptionW != NULL)
|
||||
HEAP_free ( lpDescriptionW );
|
||||
|
||||
if (lpFileNameW != NULL)
|
||||
HEAP_free ( lpFileNameW );
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HENHMETAFILE
|
||||
STDCALL
|
||||
GetEnhMetaFileW(
|
||||
LPCWSTR lpszMetaFile
|
||||
)
|
||||
{
|
||||
return NtGdiGetEnhMetaFile ( lpszMetaFile );
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
HENHMETAFILE
|
||||
STDCALL
|
||||
GetEnhMetaFileA(
|
||||
LPCSTR lpszMetaFile
|
||||
)
|
||||
{
|
||||
NTSTATUS Status;
|
||||
LPWSTR lpszMetaFileW;
|
||||
HENHMETAFILE rc = 0;
|
||||
|
||||
Status = HEAP_strdupA2W ( &lpszMetaFileW, lpszMetaFile );
|
||||
if (!NT_SUCCESS (Status))
|
||||
SetLastError (RtlNtStatusToDosError(Status));
|
||||
else
|
||||
{
|
||||
rc = NtGdiGetEnhMetaFile ( lpszMetaFileW );
|
||||
|
||||
HEAP_free ( lpszMetaFileW );
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
UINT
|
||||
STDCALL
|
||||
GetEnhMetaFileDescriptionW(
|
||||
HENHMETAFILE hemf,
|
||||
UINT cchBuffer,
|
||||
LPWSTR lpszDescription
|
||||
)
|
||||
{
|
||||
return NtGdiGetEnhMetaFileDescription ( hemf, cchBuffer, lpszDescription );
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* @implemented
|
||||
*/
|
||||
UINT
|
||||
STDCALL
|
||||
GetEnhMetaFileDescriptionA(
|
||||
HENHMETAFILE hemf,
|
||||
UINT cchBuffer,
|
||||
LPSTR lpszDescription
|
||||
)
|
||||
{
|
||||
NTSTATUS Status;
|
||||
LPWSTR lpszDescriptionW;
|
||||
UINT rc;
|
||||
|
||||
if ( lpszDescription && cchBuffer )
|
||||
{
|
||||
lpszDescriptionW = (LPWSTR)HEAP_alloc ( cchBuffer*sizeof(WCHAR) );
|
||||
if ( !lpszDescriptionW )
|
||||
{
|
||||
SetLastError (RtlNtStatusToDosError(STATUS_NO_MEMORY));
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
else
|
||||
lpszDescriptionW = NULL;
|
||||
|
||||
rc = NtGdiGetEnhMetaFileDescription ( hemf, cchBuffer, lpszDescriptionW );
|
||||
|
||||
if ( lpszDescription && cchBuffer )
|
||||
{
|
||||
Status = RtlUnicodeToMultiByteN ( lpszDescription,
|
||||
cchBuffer,
|
||||
NULL,
|
||||
lpszDescriptionW,
|
||||
cchBuffer );
|
||||
HEAP_free ( lpszDescriptionW );
|
||||
if ( !NT_SUCCESS(Status) )
|
||||
{
|
||||
SetLastError (RtlNtStatusToDosError(Status));
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue