gdi32: Introduce NtGdiCreateMetafileDC.
And use it in CreateEnhMetaFileW. Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban
Alexandre Julliard
parent
37f492ae55
commit
59670ffb2d
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@ -282,56 +282,27 @@ static inline BOOL devcap_is_valid( int cap )
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}
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/**********************************************************************
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* CreateEnhMetaFileW (GDI32.@)
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* NtGdiCreateMetafileDC (win32u.@)
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*/
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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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HDC WINAPI NtGdiCreateMetafileDC( HDC hdc )
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{
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HDC ret, ref_dc;
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DC *dc;
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EMFDRV_PDEVICE *physDev;
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HANDLE hFile;
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DWORD size = 0, length = 0;
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HDC ref_dc, ret;
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int cap;
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TRACE("(%p %s %s %s)\n", hdc, debugstr_w(filename), wine_dbgstr_rect(rect), debugstr_w(description) );
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DC *dc;
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if (!(dc = alloc_dc_ptr( NTGDI_OBJ_ENHMETADC ))) return 0;
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physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
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if (!physDev) {
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physDev = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev) );
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if (!physDev)
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{
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free_dc_ptr( dc );
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return 0;
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}
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dc->attr->emf = physDev;
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if(description) { /* 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(ENHMETAHEADER) + (length + 3) / 4 * 4;
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if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
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HeapFree( GetProcessHeap(), 0, physDev );
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free_dc_ptr( dc );
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return 0;
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}
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push_dc_driver( &dc->physDev, &physDev->dev, &emfdrv_driver );
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physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
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physDev->handles_size = HANDLE_LIST_INC;
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physDev->cur_handles = 1;
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physDev->hFile = 0;
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physDev->dc_brush = 0;
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physDev->dc_pen = 0;
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physDev->path = FALSE;
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if (hdc) /* if no ref, use current display */
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ref_dc = hdc;
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else
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@ -340,69 +311,125 @@ HDC WINAPI CreateEnhMetaFileW(
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memset( physDev->dev_caps, 0, sizeof(physDev->dev_caps) );
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for (cap = 0; cap < ARRAY_SIZE( physDev->dev_caps ); cap++)
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if (devcap_is_valid( cap ))
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physDev->dev_caps[cap] = GetDeviceCaps( ref_dc, cap );
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physDev->dev_caps[cap] = NtGdiGetDeviceCaps( ref_dc, cap );
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if (!hdc) DeleteDC( ref_dc );
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if (!hdc) NtGdiDeleteObjectApp( ref_dc );
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NtGdiSetVirtualResolution(physDev->dev.hdc, 0, 0, 0, 0);
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NtGdiSetVirtualResolution( dc->hSelf, 0, 0, 0, 0 );
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physDev->emh->iType = EMR_HEADER;
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physDev->emh->nSize = size;
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ret = dc->hSelf;
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release_dc_ptr( dc );
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return ret;
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}
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physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
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physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
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/**********************************************************************
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* CreateEnhMetaFileW (GDI32.@)
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*/
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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 ret;
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EMFDRV_PDEVICE *emf;
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DC_ATTR *dc_attr;
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HANDLE hFile;
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DWORD size = 0, length = 0;
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if(rect) {
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physDev->emh->rclFrame.left = rect->left;
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physDev->emh->rclFrame.top = rect->top;
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physDev->emh->rclFrame.right = rect->right;
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physDev->emh->rclFrame.bottom = rect->bottom;
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} else { /* Set this to {0,0 - -1,-1} and update it at the end */
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physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0;
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physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1;
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TRACE("(%p %s %s %s)\n", hdc, debugstr_w(filename), wine_dbgstr_rect(rect), debugstr_w(description) );
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if (!(ret = NtGdiCreateMetafileDC( hdc ))) return 0;
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if (!(dc_attr = get_dc_attr( ret )))
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{
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DeleteDC( ret );
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return 0;
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}
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emf = dc_attr->emf;
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if(description) { /* 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(ENHMETAHEADER) + (length + 3) / 4 * 4;
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if (!(emf->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size)))
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{
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DeleteDC( ret );
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return 0;
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}
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physDev->emh->dSignature = ENHMETA_SIGNATURE;
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physDev->emh->nVersion = 0x10000;
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physDev->emh->nBytes = physDev->emh->nSize;
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physDev->emh->nRecords = 1;
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physDev->emh->nHandles = 1;
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emf->handles = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
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HANDLE_LIST_INC * sizeof(emf->handles[0]) );
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emf->handles_size = HANDLE_LIST_INC;
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emf->cur_handles = 1;
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emf->hFile = 0;
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emf->dc_brush = 0;
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emf->dc_pen = 0;
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emf->path = FALSE;
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physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
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physDev->emh->nDescription = length / 2;
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emf->emh->iType = EMR_HEADER;
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emf->emh->nSize = size;
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physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
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emf->emh->rclBounds.left = emf->emh->rclBounds.top = 0;
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emf->emh->rclBounds.right = emf->emh->rclBounds.bottom = -1;
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physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
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if (rect)
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{
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emf->emh->rclFrame.left = rect->left;
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emf->emh->rclFrame.top = rect->top;
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emf->emh->rclFrame.right = rect->right;
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emf->emh->rclFrame.bottom = rect->bottom;
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}
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else
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{
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/* Set this to {0,0 - -1,-1} and update it at the end */
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emf->emh->rclFrame.left = emf->emh->rclFrame.top = 0;
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emf->emh->rclFrame.right = emf->emh->rclFrame.bottom = -1;
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}
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emf->emh->dSignature = ENHMETA_SIGNATURE;
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emf->emh->nVersion = 0x10000;
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emf->emh->nBytes = emf->emh->nSize;
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emf->emh->nRecords = 1;
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emf->emh->nHandles = 1;
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emf->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
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emf->emh->nDescription = length / 2;
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emf->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
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emf->emh->nPalEntries = 0; /* I guess this should start at 0 */
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/* Size in pixels */
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physDev->emh->szlDevice.cx = physDev->dev_caps[HORZRES];
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physDev->emh->szlDevice.cy = physDev->dev_caps[VERTRES];
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emf->emh->szlDevice.cx = GetDeviceCaps( ret, HORZRES );
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emf->emh->szlDevice.cy = GetDeviceCaps( ret, VERTRES );
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/* Size in millimeters */
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physDev->emh->szlMillimeters.cx = physDev->dev_caps[HORZSIZE];
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physDev->emh->szlMillimeters.cy = physDev->dev_caps[VERTSIZE];
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emf->emh->szlMillimeters.cx = GetDeviceCaps( ret, HORZSIZE );
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emf->emh->szlMillimeters.cy = GetDeviceCaps( ret, VERTSIZE );
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/* Size in micrometers */
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physDev->emh->szlMicrometers.cx = physDev->emh->szlMillimeters.cx * 1000;
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physDev->emh->szlMicrometers.cy = physDev->emh->szlMillimeters.cy * 1000;
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emf->emh->szlMicrometers.cx = emf->emh->szlMillimeters.cx * 1000;
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emf->emh->szlMicrometers.cy = emf->emh->szlMillimeters.cy * 1000;
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memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
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memcpy( (char *)emf->emh + 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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free_dc_ptr( dc );
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DeleteDC( ret );
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return 0;
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}
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physDev->hFile = hFile;
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emf->hFile = hFile;
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}
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TRACE("returning %p\n", physDev->dev.hdc);
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ret = physDev->dev.hdc;
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release_dc_ptr( dc );
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TRACE( "returning %p\n", ret );
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return ret;
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}
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