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Small fixes for EnhMetaFile playback.

This commit is contained in:
Huw D M Davies 1999-06-12 06:49:52 +00:00 committed by Alexandre Julliard
parent 64eed99f8e
commit 0ae4e09188
1 changed files with 22 additions and 10 deletions
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32
objects/enhmetafile.c
View File

@ -60,7 +60,7 @@ static ENHMETAHEADER *EMF_GetEnhMetaHeader( HENHMETAFILE hmf )
ENHMETAFILEOBJ *metaObj = (ENHMETAFILEOBJ *)GDI_GetObjPtr( hmf,
ENHMETAFILE_MAGIC );
TRACE("hmf %04x -> enhmetaObj %p\n", hmf, metaObj);
return metaObj->emh;
return metaObj ? metaObj->emh : NULL;
}
/******************************************************************
@ -108,7 +108,8 @@ HENHMETAFILE WINAPI GetEnhMetaFileA(
HENHMETAFILE hmf;
HFILE hFile;
hFile = CreateFileA(lpszMetaFile, GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0);
hFile = CreateFileA(lpszMetaFile, GENERIC_READ, FILE_SHARE_READ, 0,
OPEN_EXISTING, 0, 0);
if (hFile == INVALID_HANDLE_VALUE) {
WARN("could not open %s\n", lpszMetaFile);
return 0;
@ -128,7 +129,8 @@ HENHMETAFILE WINAPI GetEnhMetaFileW(
HENHMETAFILE hmf;
HFILE hFile;
hFile = CreateFileW(lpszMetaFile, GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0);
hFile = CreateFileW(lpszMetaFile, GENERIC_READ, FILE_SHARE_READ, 0,
OPEN_EXISTING, 0, 0);
if (hFile == INVALID_HANDLE_VALUE) {
WARN("could not open %s\n", debugstr_w(lpszMetaFile));
return 0;
@ -156,6 +158,7 @@ UINT WINAPI GetEnhMetaFileHeader(
if (!buf) return sizeof(ENHMETAHEADER);
emh = EMF_GetEnhMetaHeader(hmf);
if(!emh) return FALSE;
memmove(buf, emh, MIN(sizeof(ENHMETAHEADER), bufsize));
EMF_ReleaseEnhMetaHeader(hmf);
return MIN(sizeof(ENHMETAHEADER), bufsize);
@ -174,6 +177,7 @@ UINT WINAPI GetEnhMetaFileDescriptionA(
LPENHMETAHEADER emh = EMF_GetEnhMetaHeader(hmf);
INT first;
if(!emh) return FALSE;
if(emh->nDescription == 0 || emh->offDescription == 0) {
EMF_ReleaseEnhMetaHeader(hmf);
return 0;
@ -210,7 +214,8 @@ UINT WINAPI GetEnhMetaFileDescriptionW(
)
{
LPENHMETAHEADER emh = EMF_GetEnhMetaHeader(hmf);
if(!emh) return FALSE;
if(emh->nDescription == 0 || emh->offDescription == 0) {
EMF_ReleaseEnhMetaHeader(hmf);
return 0;
@ -548,9 +553,12 @@ BOOL WINAPI EnumEnhMetaFile(
{
BOOL ret = TRUE;
LPENHMETARECORD p = (LPENHMETARECORD) EMF_GetEnhMetaHeader(hmf);
INT count = ((LPENHMETAHEADER) p)->nHandles;
HANDLETABLE *ht = HeapAlloc( GetProcessHeap(), 0,
sizeof(HANDLETABLE)*count);
INT count;
HANDLETABLE *ht;
if(!p) return FALSE;
count = ((LPENHMETAHEADER) p)->nHandles;
ht = HeapAlloc( GetProcessHeap(), 0, sizeof(HANDLETABLE)*count);
ht->objectHandle[0] = hmf;
while (ret) {
ret = (*callback)(hdc, ht, p, count, data);
@ -580,11 +588,14 @@ BOOL WINAPI PlayEnhMetaFile(
)
{
LPENHMETARECORD p = (LPENHMETARECORD) EMF_GetEnhMetaHeader(hmf);
INT count = ((LPENHMETAHEADER) p)->nHandles;
HANDLETABLE *ht = HeapAlloc( GetProcessHeap(), 0,
sizeof(HANDLETABLE) * count);
INT count;
HANDLETABLE *ht;
BOOL ret = FALSE;
INT savedMode = 0;
if(!p) return FALSE;
count = ((LPENHMETAHEADER) p)->nHandles;
ht = HeapAlloc( GetProcessHeap(), 0, sizeof(HANDLETABLE) * count);
if (lpRect) {
LPENHMETAHEADER h = (LPENHMETAHEADER) p;
FLOAT xscale = (h->rclBounds.right - h->rclBounds.left) /
@ -640,6 +651,7 @@ HENHMETAFILE WINAPI CopyEnhMetaFileA(
ENHMETAHEADER *emrSrc = EMF_GetEnhMetaHeader( hmfSrc ), *emrDst;
HENHMETAFILE hmfDst;
if(!emrSrc) return FALSE;
if (!file) {
emrDst = HeapAlloc( SystemHeap, 0, emrSrc->nBytes );
memcpy( emrDst, emrSrc, emrSrc->nBytes );