620 lines
16 KiB
C
620 lines
16 KiB
C
/*
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Enhanced metafile functions
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Copyright 1998, Douglas Ridgway
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*/
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#include <string.h>
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#include <assert.h>
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#include "windows.h"
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#include "gdi.h"
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#include "winbase.h"
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#include "winnt.h"
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#include "debug.h"
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#include "winerror.h"
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/*****************************************************************************
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* GetEnhMetaFile32A (GDI32.174)
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*
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*
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*/
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HENHMETAFILE32 WINAPI GetEnhMetaFile32A(
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LPCSTR lpszMetaFile /* filename of enhanced metafile */
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)
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{
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HENHMETAFILE32 hmf = 0;
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ENHMETAHEADER h;
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BYTE *p;
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DWORD read;
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HFILE32 hf = CreateFile32A(lpszMetaFile, GENERIC_READ, 0, 0,
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OPEN_EXISTING, 0, 0);
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if (hf == INVALID_HANDLE_VALUE32) {
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FIXME(metafile,"could not open %s\n",lpszMetaFile);
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return 0;
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}
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if (!ReadFile(hf, &h, sizeof(ENHMETAHEADER), &read, NULL)) {
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FIXME(metafile,"%s can't be read.\n",lpszMetaFile);
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CloseHandle(hf);
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return 0;
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}
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if (read!=sizeof(ENHMETAHEADER)) {
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FIXME(metafile,"%s is not long enough.\n",lpszMetaFile);
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CloseHandle(hf);
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return 0;
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}
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if (h.iType!=1) {
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FIXME(metafile,"%s has invalid emf header (type 0x%08lx).\n",lpszMetaFile,h.iType);
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CloseHandle(hf);
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return 0;
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}
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if (memcmp(&(h.dSignature)," EMF",4)) {
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FIXME(metafile,"%s has invalid EMF header (dSignature 0x%08lx).\n",lpszMetaFile,h.dSignature);
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CloseHandle(hf);
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return 0;
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}
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SetFilePointer(hf, 0, NULL, FILE_BEGIN);
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/* hmf = CreateFileMapping32A( hf, NULL, NULL, NULL, NULL, "temp"); */
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hmf = GlobalAlloc32(GPTR, h.nBytes);
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p = GlobalLock32(hmf);
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if (!ReadFile(hf, p, h.nBytes, &read, NULL)) {
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FIXME(metafile,"%s could not be read.\n",lpszMetaFile);
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GlobalFree32(hmf);
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CloseHandle(hf);
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return 0;
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}
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if (read!=h.nBytes) {
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FIXME(metafile,"%s is not long enough (%ld expected, %ld got).\n",lpszMetaFile,h.nBytes,read);
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GlobalFree32(hmf);
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CloseHandle(hf);
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return 0;
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}
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GlobalUnlock32(hmf);
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return hmf;
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}
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/*****************************************************************************
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* GetEnhMetaFile32W (GDI32.180)
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*/
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HENHMETAFILE32 WINAPI GetEnhMetaFile32W(
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LPCWSTR lpszMetaFile) /* filename of enhanced metafile */
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{
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FIXME(metafile, "(%p): stub\n", lpszMetaFile);
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return 0;
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}
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/*****************************************************************************
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* GetEnhMetaFileHeader (GDI32.178)
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*
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* If _buf_ is NULL, returns the size of buffer required.
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* Otherwise, copy up to _bufsize_ bytes of enhanced metafile header into
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* _buf.
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*/
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UINT32 WINAPI GetEnhMetaFileHeader(
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HENHMETAFILE32 hmf, /* enhanced metafile */
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UINT32 bufsize, /* size of buffer */
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LPENHMETAHEADER buf /* buffer */
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)
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{
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LPENHMETAHEADER p = GlobalLock32(hmf);
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if (!buf) return sizeof(ENHMETAHEADER);
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memmove(buf, p, MIN(sizeof(ENHMETAHEADER), bufsize));
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GlobalUnlock32(hmf);
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return MIN(sizeof(ENHMETAHEADER), bufsize);
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}
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/*****************************************************************************
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* GetEnhMetaFileDescription32A (GDI32.176)
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*/
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UINT32 WINAPI GetEnhMetaFileDescription32A(
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HENHMETAFILE32 hmf, /* enhanced metafile */
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UINT32 size, /* size of buf */
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LPSTR buf /* buffer to receive description */
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)
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{
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LPENHMETAHEADER p = GlobalLock32(hmf);
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INT32 first = lstrlen32W( (void *)p+p->offDescription);
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if (!buf || !size) return p->nDescription;
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lstrcpynWtoA(buf, (void *)p+p->offDescription, size);
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buf += first +1;
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lstrcpynWtoA(buf, (void *)p+p->offDescription+2*(first+1), size-first-1);
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/* memmove(buf, (void *)p+p->offDescription, MIN(size,p->nDescription)); */
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GlobalUnlock32(hmf);
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return MIN(size,p->nDescription);
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}
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/*****************************************************************************
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* GetEnhMetaFileDescription32W (GDI32.177)
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*
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* Copies the description string of an enhanced metafile into a buffer
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* _buf_.
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*
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* If _buf_ is NULL, returns size of _buf_ required. Otherwise, returns
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* number of characters copied.
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*/
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UINT32 WINAPI GetEnhMetaFileDescription32W(
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HENHMETAFILE32 hmf, /* enhanced metafile */
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UINT32 size, /* size of buf */
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LPWSTR buf /* buffer to receive description */
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)
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{
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LPENHMETAHEADER p = GlobalLock32(hmf);
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if (!buf || !size) return p->nDescription;
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memmove(buf, (void *)p+p->offDescription, MIN(size,p->nDescription));
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GlobalUnlock32(hmf);
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return MIN(size,p->nDescription);
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}
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/****************************************************************************
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* SetEnhMetaFileBits (GDI32.315)
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*
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* Creates an enhanced metafile by copying _bufsize_ bytes from _buf_.
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*/
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HENHMETAFILE32 WINAPI SetEnhMetaFileBits(UINT32 bufsize, const BYTE *buf)
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{
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HENHMETAFILE32 hmf = GlobalAlloc32(GPTR, bufsize);
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LPENHMETAHEADER h = GlobalLock32(hmf);
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memmove(h, buf, bufsize);
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GlobalUnlock32(hmf);
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return hmf;
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}
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/*****************************************************************************
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* GetEnhMetaFileBits (GDI32.175)
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*
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*/
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UINT32 WINAPI GetEnhMetaFileBits(
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HENHMETAFILE32 hmf,
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UINT32 bufsize,
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LPBYTE buf
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) {
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return 0;
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}
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/*****************************************************************************
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* PlayEnhMetaFileRecord (GDI32.264)
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*
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* Render a single enhanced metafile record in the device context hdc.
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*
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* RETURNS
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* TRUE on success, FALSE on error.
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* BUGS
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* Many unimplemented records.
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*/
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BOOL32 WINAPI PlayEnhMetaFileRecord(
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HDC32 hdc, /* device context in which to render EMF record */
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LPHANDLETABLE32 handletable, /* array of handles to be used in rendering record */
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const ENHMETARECORD *mr, /* EMF record to render */
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UINT32 handles /* size of handle array */
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)
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{
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int type;
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TRACE(metafile,
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"hdc = %08x, handletable = %p, record = %p, numHandles = %d\n",
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hdc, handletable, mr, handles);
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if (!mr) return FALSE;
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type = mr->iType;
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TRACE(metafile, " type=%d\n", type);
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switch(type)
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{
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case EMR_HEADER:
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{
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/* ENHMETAHEADER *h = (LPENHMETAHEADER) mr; */
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break;
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}
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case EMR_EOF:
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break;
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case EMR_GDICOMMENT:
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/* application defined and processed */
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break;
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case EMR_SETMAPMODE:
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{
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DWORD mode = mr->dParm[0];
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SetMapMode32(hdc, mode);
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break;
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}
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case EMR_SETBKMODE:
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{
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DWORD mode = mr->dParm[0];
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SetBkMode32(hdc, mode);
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break;
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}
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case EMR_SETBKCOLOR:
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{
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DWORD mode = mr->dParm[0];
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SetBkColor32(hdc, mode);
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break;
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}
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case EMR_SETPOLYFILLMODE:
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{
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DWORD mode = mr->dParm[0];
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SetPolyFillMode32(hdc, mode);
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break;
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}
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case EMR_SETROP2:
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{
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DWORD mode = mr->dParm[0];
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SetROP232(hdc, mode);
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break;
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}
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case EMR_SETSTRETCHBLTMODE:
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{
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DWORD mode = mr->dParm[0];
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SetStretchBltMode32(hdc, mode);
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break;
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}
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case EMR_SETTEXTALIGN:
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{
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DWORD align = mr->dParm[0];
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SetTextAlign32(hdc, align);
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break;
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}
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case EMR_SETTEXTCOLOR:
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{
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DWORD color = mr->dParm[0];
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SetTextColor32(hdc, color);
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break;
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}
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case EMR_SAVEDC:
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{
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SaveDC32(hdc);
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break;
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}
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case EMR_RESTOREDC:
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{
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RestoreDC32(hdc, mr->dParm[0]);
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break;
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}
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case EMR_INTERSECTCLIPRECT:
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{
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INT32 left = mr->dParm[0], top = mr->dParm[1], right = mr->dParm[2],
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bottom = mr->dParm[3];
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IntersectClipRect32(hdc, left, top, right, bottom);
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break;
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}
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case EMR_SELECTOBJECT:
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{
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DWORD obj = mr->dParm[0];
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SelectObject32(hdc, (handletable->objectHandle)[obj]);
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break;
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}
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case EMR_DELETEOBJECT:
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{
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DWORD obj = mr->dParm[0];
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DeleteObject32( (handletable->objectHandle)[obj]);
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(handletable->objectHandle)[obj] = 0;
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break;
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}
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case EMR_SETWINDOWORGEX:
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{
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DWORD x = mr->dParm[0], y = mr->dParm[1];
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SetWindowOrgEx32(hdc, x, y, NULL);
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break;
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}
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case EMR_SETWINDOWEXTEX:
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{
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DWORD x = mr->dParm[0], y = mr->dParm[1];
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SetWindowExtEx32(hdc, x, y, NULL);
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break;
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}
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case EMR_SETVIEWPORTORGEX:
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{
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DWORD x = mr->dParm[0], y = mr->dParm[1];
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SetViewportOrgEx32(hdc, x, y, NULL);
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break;
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}
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case EMR_SETVIEWPORTEXTEX:
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{
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DWORD x = mr->dParm[0], y = mr->dParm[1];
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SetViewportExtEx32(hdc, x, y, NULL);
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break;
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}
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case EMR_CREATEPEN:
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{
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DWORD obj = mr->dParm[0];
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(handletable->objectHandle)[obj] =
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CreatePenIndirect32((LOGPEN32 *) &(mr->dParm[1]));
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break;
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}
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case EMR_EXTCREATEPEN:
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{
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DWORD obj = mr->dParm[0];
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DWORD style = mr->dParm[1], brush = mr->dParm[2];
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LOGBRUSH32 *b = (LOGBRUSH32 *) &mr->dParm[3];
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FIXME(metafile, "Some ExtCreatePen args not handled\n");
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(handletable->objectHandle)[obj] =
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ExtCreatePen32(style, brush, b, 0, NULL);
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break;
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}
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case EMR_CREATEBRUSHINDIRECT:
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{
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DWORD obj = mr->dParm[0];
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(handletable->objectHandle)[obj] =
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CreateBrushIndirect32((LOGBRUSH32 *) &(mr->dParm[1]));
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break;
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}
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case EMR_EXTCREATEFONTINDIRECTW:
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{
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DWORD obj = mr->dParm[0];
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(handletable->objectHandle)[obj] =
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CreateFontIndirect32W((LOGFONT32W *) &(mr->dParm[1]));
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break;
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}
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case EMR_MOVETOEX:
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{
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DWORD x = mr->dParm[0], y = mr->dParm[1];
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MoveToEx32(hdc, x, y, NULL);
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break;
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}
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case EMR_LINETO:
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{
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DWORD x = mr->dParm[0], y = mr->dParm[1];
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LineTo32(hdc, x, y);
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break;
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}
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case EMR_RECTANGLE:
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{
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INT32 left = mr->dParm[0], top = mr->dParm[1], right = mr->dParm[2],
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bottom = mr->dParm[3];
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Rectangle32(hdc, left, top, right, bottom);
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break;
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}
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case EMR_ELLIPSE:
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{
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INT32 left = mr->dParm[0], top = mr->dParm[1], right = mr->dParm[2],
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bottom = mr->dParm[3];
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Ellipse32(hdc, left, top, right, bottom);
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break;
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}
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case EMR_POLYGON16:
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{
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/* 0-3 : a bounding rectangle? */
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INT32 count = mr->dParm[4];
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FIXME(metafile, "Some Polygon16 args not handled\n");
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Polygon16(hdc, (POINT16 *)&mr->dParm[5], count);
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break;
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}
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case EMR_POLYLINE16:
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{
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/* 0-3 : a bounding rectangle? */
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INT32 count = mr->dParm[4];
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FIXME(metafile, "Some Polyline16 args not handled\n");
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Polyline16(hdc, (POINT16 *)&mr->dParm[5], count);
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break;
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}
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#if 0
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case EMR_POLYPOLYGON16:
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{
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INT32 polygons = mr->dParm[z];
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LPPOINT16 pts = (LPPOINT16) &mr->dParm[x];
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LPINT16 counts = (LPINT16) &mr->dParm[y];
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PolyPolygon16(hdc, pts, counts, polygons);
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break;
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}
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#endif
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case EMR_STRETCHDIBITS:
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{
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LONG xDest = mr->dParm[4];
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LONG yDest = mr->dParm[5];
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LONG xSrc = mr->dParm[6];
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LONG ySrc = mr->dParm[7];
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LONG cxSrc = mr->dParm[8];
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LONG cySrc = mr->dParm[9];
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DWORD offBmiSrc = mr->dParm[10];
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DWORD offBitsSrc = mr->dParm[12];
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DWORD iUsageSrc = mr->dParm[14];
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DWORD dwRop = mr->dParm[15];
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LONG cxDest = mr->dParm[16];
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LONG cyDest = mr->dParm[17];
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StretchDIBits32(hdc,xDest,yDest,cxDest,cyDest,
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xSrc,ySrc,cxSrc,cySrc,
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((char *)mr)+offBitsSrc,
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(const BITMAPINFO *)(((char *)mr)+offBmiSrc),
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iUsageSrc,dwRop);
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break;
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}
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case EMR_EXTTEXTOUTW:
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{
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/* 0-3: ??? */
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DWORD flags = mr->dParm[4];
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/* 5, 6: ??? */
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DWORD x = mr->dParm[7], y = mr->dParm[8];
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DWORD count = mr->dParm[9];
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/* 10-16: ??? */
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LPWSTR str = (LPWSTR)& mr->dParm[17];
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/* trailing info: dx array? */
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FIXME(metafile, "Many ExtTextOut args not handled\n");
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ExtTextOut32W(hdc, x, y, flags, /* lpRect */ NULL,
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str, count, /* lpDx */ NULL);
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break;
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}
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default:
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FIXME(metafile, "type %d is unimplemented\n", type);
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/* SetLastError(E_NOTIMPL); */
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break;
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}
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return TRUE;
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}
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|
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/*****************************************************************************
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*
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* EnumEnhMetaFile32 (GDI32.79)
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*
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* Walk an enhanced metafile, calling a user-specified function _EnhMetaFunc_
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* for each
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* record. Returns when either every record has been used or
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* when _EnhMetaFunc_ returns FALSE.
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*
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*
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* RETURNS
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* TRUE if every record is used, FALSE if any invocation of _EnhMetaFunc_
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* returns FALSE.
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*
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* BUGS
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* Ignores rect.
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*/
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BOOL32 WINAPI EnumEnhMetaFile32(
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HDC32 hdc, /* device context to pass to _EnhMetaFunc_ */
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HENHMETAFILE32 hmf, /* EMF to walk */
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ENHMFENUMPROC32 callback, /* callback function */
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LPVOID data, /* optional data for callback function */
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const RECT32 *rect /* bounding rectangle for rendered metafile */
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)
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{
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BOOL32 ret = TRUE;
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LPENHMETARECORD p = GlobalLock32(hmf);
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INT32 count = ((LPENHMETAHEADER) p)->nHandles;
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HANDLETABLE32 *ht = (HANDLETABLE32 *)GlobalAlloc32(GPTR, sizeof(HANDLETABLE32)*count);
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ht->objectHandle[0] = hmf;
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while (ret) {
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ret = (*callback)(hdc, ht, p, count, data);
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if (p->iType == EMR_EOF) break;
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p = (void *) p + p->nSize;
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}
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GlobalFree32((HGLOBAL32)ht);
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GlobalUnlock32(hmf);
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return ret;
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}
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/**************************************************************************
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* PlayEnhMetaFile (GDI32.263)
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*
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* Renders an enhanced metafile into a specified rectangle *lpRect
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* in device context hdc.
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*
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* BUGS
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* Almost entirely unimplemented
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*
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*/
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BOOL32 WINAPI PlayEnhMetaFile(
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HDC32 hdc, /* DC to render into */
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HENHMETAFILE32 hmf, /* metafile to render */
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const RECT32 *lpRect /* rectangle to place metafile inside */
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)
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{
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LPENHMETARECORD p = GlobalLock32(hmf);
|
|
INT32 count = ((LPENHMETAHEADER) p)->nHandles;
|
|
HANDLETABLE32 *ht = (HANDLETABLE32 *)GlobalAlloc32(GPTR,
|
|
sizeof(HANDLETABLE32)*count);
|
|
BOOL32 ret = FALSE;
|
|
INT32 savedMode = 0;
|
|
if (lpRect) {
|
|
LPENHMETAHEADER h = (LPENHMETAHEADER) p;
|
|
FLOAT xscale = (h->rclBounds.right-h->rclBounds.left)/(lpRect->right-lpRect->left);
|
|
FLOAT yscale = (h->rclBounds.bottom-h->rclBounds.top)/(lpRect->bottom-lpRect->top);
|
|
XFORM xform = {xscale, 0, 0, yscale, 0, 0};
|
|
xform.eDx = lpRect->left;
|
|
xform.eDy = lpRect->top;
|
|
FIXME(metafile, "play into rect doesn't work\n");
|
|
savedMode = SetGraphicsMode(hdc, GM_ADVANCED);
|
|
if (!SetWorldTransform(hdc, &xform)) {
|
|
WARN(metafile, "World transform failed!\n");
|
|
}
|
|
}
|
|
|
|
ht->objectHandle[0] = hmf;
|
|
while (1) {
|
|
PlayEnhMetaFileRecord(hdc, ht, p, count);
|
|
if (p->iType == EMR_EOF) break;
|
|
p = (void *) p + p->nSize; /* casted so that arithmetic is in bytes */
|
|
}
|
|
GlobalUnlock32(hmf);
|
|
if (savedMode) SetGraphicsMode(hdc, savedMode);
|
|
ret = TRUE; /* FIXME: calculate a more accurate return value */
|
|
return ret;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DeleteEnhMetaFile (GDI32.68)
|
|
*
|
|
* Deletes an enhanced metafile and frees the associated storage.
|
|
*/
|
|
BOOL32 WINAPI DeleteEnhMetaFile(HENHMETAFILE32 hmf) {
|
|
return !GlobalFree32(hmf);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* CopyEnhMetaFileA (GDI32.21) Duplicate an enhanced metafile
|
|
*
|
|
*
|
|
*/
|
|
HENHMETAFILE32 WINAPI CopyEnhMetaFile32A(
|
|
HENHMETAFILE32 hmf,
|
|
LPCSTR file)
|
|
{
|
|
if (!file) {
|
|
LPENHMETAHEADER h = GlobalLock32(hmf);
|
|
HENHMETAFILE32 hmf2 = GlobalAlloc32(GPTR, h->nBytes);
|
|
LPENHMETAHEADER h2 = GlobalLock32(hmf2);
|
|
if (!h2) return 0;
|
|
memmove(h2, h, h->nBytes);
|
|
GlobalUnlock32(hmf2);
|
|
GlobalUnlock32(hmf);
|
|
return hmf2;
|
|
} else {
|
|
FIXME(metafile, "write to file not implemented\n");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* GetEnhMetaFilePaletteEntries (GDI32.179)
|
|
*
|
|
* Copy the palette and report size
|
|
*/
|
|
|
|
UINT32 WINAPI GetEnhMetaFilePaletteEntries(HENHMETAFILE32 hemf,
|
|
UINT32 cEntries,
|
|
LPPALETTEENTRY lppe)
|
|
{
|
|
LPENHMETAHEADER h = GlobalLock32(hemf);
|
|
|
|
if ( h == NULL ){
|
|
GlobalUnlock32(hemf);
|
|
return(0);
|
|
} else {
|
|
if ((lppe)&&(cEntries>0)){
|
|
FIXME(metafile,"Stub\n");
|
|
GlobalUnlock32(hemf);
|
|
return(GDI_ERROR);
|
|
} else{
|
|
GlobalUnlock32(hemf);
|
|
return(0);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
|
* SetWinMetaFileBits (GDI32.343)
|
|
*
|
|
* Translate from old style to new style.
|
|
*/
|
|
|
|
HENHMETAFILE32 WINAPI SetWinMetaFileBits(UINT32 cbBuffer,
|
|
CONST BYTE *lpbBuffer,
|
|
HDC32 hdcRef,
|
|
CONST METAFILEPICT32 *lpmfp
|
|
)
|
|
{
|
|
FIXME(metafile,"Stub\n");
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|