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Example coding for Enhance Meta File and Meta DC implementation.
- Add printing.c - Add a new CreateEnhMetaFileW svn path=/trunk/; revision=24825
This commit is contained in:
James Tabor
parent
2607f10229
commit
8076cb9096
2 changed files with 316 additions and 0 deletions
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@ -131,6 +131,137 @@ GetMetaFileA(
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return rc;
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}
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#if 0
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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->emf.iType = 2;
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}
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else
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EmfDC->emf.iType = 1;
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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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185
reactos/dll/win32/gdi32/objects/painting.c
Normal file
185
reactos/dll/win32/gdi32/objects/painting.c
Normal file
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@ -0,0 +1,185 @@
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#include "precomp.h"
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/*
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* @unimplemented
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*/
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BOOL
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STDCALL
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NewArc(
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HDC hDC,
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int a1,
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int a2,
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int a3,
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int a4,
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int a5,
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int a6,
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int a7,
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int a8
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)
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{
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// Handle something other than a normal dc object.
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if (GDI_HANDLE_GET_TYPE(hDC) != GDI_OBJECT_TYPE_DC)
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{
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if (GDI_HANDLE_GET_TYPE(hDC) == GDI_OBJECT_TYPE_METADC)
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// Call Wine (rewrite of) MFDRV_MetaParam8
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return MFDRV_MetaParam8( hDC, META_ARC, a1, a2, a3, a4, a5, a6, a7, a8)
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else
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{
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PDC_ATTR Dc_Attr;
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PLDC pLDC;
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GdiGetHandleUserData((HGDIOBJ) hDC, (PVOID) &Dc_Attr);
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pLDC = Dc_Attr->pvLDC;
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if ( !pLDC )
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{
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SetLastError(ERROR_INVALID_HANDLE)
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return FALSE;
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}
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if (pLDC->iType == LDC_EMFLDC)
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{
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// Call Wine (rewrite of) EMFDRV_ArcChordPie
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BOOL Ret = EMFDRV_ArcChordPie( hDC, a1, a2, a3, a4, a5, a6, a7, a8, EMR_ARC);
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return Ret;
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}
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return FALSE;
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}
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}
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return NtGdiArcInternal(GdiTypeArc, hDC, a1, a2, a3, a4, a5, a6, a7, a8);
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}
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/*
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* @unimplemented
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*/
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BOOL
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STDCALL
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NewArcTo(
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HDC hDC,
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int a1,
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int a2,
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int a3,
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int a4,
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int a5,
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int a6,
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int a7,
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int a8
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)
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{
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// Handle something other than a normal dc object.
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if (GDI_HANDLE_GET_TYPE(hDC) != GDI_OBJECT_TYPE_DC)
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{
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if (GDI_HANDLE_GET_TYPE(hDC) == GDI_OBJECT_TYPE_METADC)
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return FALSE; //No meta support for ArcTo
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else
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{
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PDC_ATTR Dc_Attr;
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PLDC pLDC;
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GdiGetHandleUserData((HGDIOBJ) hDC, (PVOID) &Dc_Attr);
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pLDC = Dc_Attr->pvLDC;
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if ( !pLDC )
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{
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SetLastError(ERROR_INVALID_HANDLE)
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return FALSE;
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}
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if (pLDC->iType == LDC_EMFLDC)
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{
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BOOL Ret = EMFDRV_ArcChordPie( hDC, a1, a2, a3, a4, a5, a6, a7, a8, EMR_ARCTO);
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return Ret;
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}
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return FALSE;
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}
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}
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return NtGdiArcInternal(GdiTypeArcTo, hDC, a1, a2, a3, a4, a5, a6, a7, a8);
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}
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/*
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* @unimplemented
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*/
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BOOL
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STDCALL
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Chord(
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HDC hDC,
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int a1,
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int a2,
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int a3,
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int a4,
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int a5,
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int a6,
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int a7,
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int a8
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)
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{
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// Handle something other than a normal dc object.
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if (GDI_HANDLE_GET_TYPE(hDC) != GDI_OBJECT_TYPE_DC)
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{
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if (GDI_HANDLE_GET_TYPE(hDC) == GDI_OBJECT_TYPE_METADC)
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return MFDRV_MetaParam8( hDC, META_CHORD, a1, a2, a3, a4, a5, a6, a7, a8)
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else
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{
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PDC_ATTR Dc_Attr;
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PLDC pLDC;
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GdiGetHandleUserData((HGDIOBJ) hDC, (PVOID) &Dc_Attr);
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pLDC = Dc_Attr->pvLDC;
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if ( !pLDC )
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{
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SetLastError(ERROR_INVALID_HANDLE)
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return FALSE;
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}
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if (pLDC->iType == LDC_EMFLDC)
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{
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BOOL Ret = EMFDRV_ArcChordPie( hDC, a1, a2, a3, a4, a5, a6, a7, a8, EMR_CHORD);
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return Ret;
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}
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return FALSE;
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}
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}
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return NtGdiArcInternal(GdiTypeChord, hDC, a1, a2, a3, a4, a5, a6, a7, a8);
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}
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/*
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* @unimplemented
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*/
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BOOL
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STDCALL
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NewPie(
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HDC hDC,
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int a1,
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int a2,
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int a3,
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int a4,
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int a5,
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int a6,
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int a7,
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int a8
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)
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{
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// Handle something other than a normal dc object.
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if (GDI_HANDLE_GET_TYPE(hDC) != GDI_OBJECT_TYPE_DC)
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{
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if (GDI_HANDLE_GET_TYPE(hDC) == GDI_OBJECT_TYPE_METADC)
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return MFDRV_MetaParam8( hDC, META_PIE, a1, a2, a3, a4, a5, a6, a7, a8)
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else
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{
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PDC_ATTR Dc_Attr;
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PLDC pLDC;
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GdiGetHandleUserData((HGDIOBJ) hDC, (PVOID) &Dc_Attr);
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pLDC = Dc_Attr->pvLDC;
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if ( !pLDC )
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{
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SetLastError(ERROR_INVALID_HANDLE)
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return FALSE;
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}
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if (pLDC->iType == LDC_EMFLDC)
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{
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BOOL Ret = EMFDRV_ArcChordPie( hDC, a1, a2, a3, a4, a5, a6, a7, a8, EMR_PIE);
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return Ret;
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}
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return FALSE;
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}
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}
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return NtGdiArcInternal(GdiTypePie, hDC, a1, a2, a3, a4, a5, a6, a7, a8);
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}
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