// A match is a font object created for
// 1) the same rc type
// 2) the same fmi
// 3) the same accessor
// All fonts served by the native displayer can be shared
// irrespective of the accessor.
//
// So in the algorithm for a match of RcFmi2Font(), we will
// look for only sharable fonts.
//
struct nff *
wfFontObjectCache::RcFmi2Font(struct nfrc *rc, struct nffmi *fmi)
{
struct nff *f = NULL;
struct wfListElement *tmp = head;
for (; tmp; tmp = tmp->next)
{
struct font_store *ele = (struct font_store *) tmp->item;
cfImpl *oimpl = nff2cfImpl(ele->f);
FontObject *fob = (FontObject *)oimpl->object;
if (!fob->isShared())
{
continue;
}
jint f_rcMajorType = nff_GetRcMajorType(ele->f, NULL);
jint f_rcMinorType = nff_GetRcMinorType(ele->f, NULL);
if (nfrc_IsEquivalent(rc, f_rcMajorType, f_rcMinorType, NULL)) {
const char* eleFmiStr = nffmi_toString(ele->fmi, NULL);
const char* fmiStr = nffmi_toString(fmi, NULL);
if (eleFmiStr && fmiStr && !strcmp(eleFmiStr, fmiStr)) {
f = ele->f;
nff_addRef(f, NULL);
break;
}
}
}
return f;
}
void wfComplete(NET_StreamClass *stream)
{
struct stream_data *data = (struct stream_data *) stream->data_object;
void *fh = nfstrm_Complete((nfstrm *)data->fpStream, NULL);
cfImpl *oimpl = cf2cfImpl(data->f);
FontObject *fob = (FontObject *)oimpl->object;
if (fh)
{
// Include this fh in the correct FontObject
fob->addFontHandle(data->fpPeer, fh);
WF_TRACEMSG( ("NF: Stream done. Fonthandle created. Setting font state to COMPLETE.") );
fob->setState(NF_FONT_COMPLETE);
}
else
{
// This font will never become ok as the fonthandle
// that we got was 0. We will assume that the data
// that we streamed didn't make a valid font.
WF_TRACEMSG( ("NF: Stream done. Fonthandle NOT CREATED. Setting font state to ERROR.") );
fob->setState(NF_FONT_ERROR);
}
// Notify the nfdoer on the status of Complete
wf_NotifyObserver(data);
wf_ReleaseStreamData(data);
return;
}
/*ARGSUSED*/
_cf_GetState(struct cf* self, jint op, struct JMCException* *exceptionThrown)
{
cfImpl *oimpl = cf2cfImpl(self);
XP_ASSERT(oimpl->header.refcount);
FontObject *fob = (FontObject *)oimpl->object;
return((jint)fob->GetState());
}
/*ARGSUSED*/
_cf_GetMatchInfo(struct cf* self, jint op, struct nfrc *rc,
jint pointsize, struct JMCException* *exceptionThrown)
{
cfImpl *oimpl = cf2cfImpl(self);
XP_ASSERT(oimpl->header.refcount);
FontObject *fob = (FontObject *)oimpl->object;
return(fob->GetMatchInfo(rc, pointsize));
}
/*ARGSUSED*/
_cf_EnumerateSizes(struct cf* self, jint op, struct nfrc *rc,
struct JMCException* *exceptionThrown)
{
cfImpl *oimpl = cf2cfImpl(self);
XP_ASSERT(oimpl->header.refcount);
FontObject *fob = (FontObject *)oimpl->object;
return(fob->EnumerateSizes(rc));
}
int
wfFontObjectCache::releaseRf(struct nfrf *rf)
{
#ifdef DEBUG
WF_TRACEMSG( ("NF: Deleting rf (0x%x).", rf) );
#endif /* DEBUG */
struct wfListElement *tmp = head;
int nrelease = 0;
while(tmp)
{
struct font_store *ele = (struct font_store *) tmp->item;
// We know that this Font object was created by us. So we can
// snoop into its implementation to call implementation specific
// methods.
cfImpl *oimpl = cf2cfImpl(ele->f);
FontObject *fob = (FontObject *)oimpl->object;
//
// WARNING: Before calling FontObject::releaseRf we need to get the
// next item in the list. This is because the FontObject could turn
// around and decide to remove itself from our list.
//
tmp = tmp->next;
int n = fob->releaseRf(rf);
if (n)
{
// Run the garbage collector since some rf was released. This
// could even cause the font object to be deleted.
if (!fob->GC())
{
struct nff *f_to_delete = (struct nff *) ele->f;
// Delete the FontObject. Deleting the FontObject will turn
// around and delete the element in the fontObjectCache list
// by calling FontObjectCache::releaseFont().
//
// So DONT REMOVE THE ELEMENT. It will be removed.
// wfList::remove(ele);
nff_addRef(f_to_delete, NULL);
nff_release(f_to_delete, NULL);
}
}
nrelease += n;
}
if (nrelease)
{
// Some font had this rf. It is not possbile then for the same rf
// exist with webfonts. Skip looking into the webfonts.
return(nrelease);
}
return (nrelease);
}
bool
CWin32Platform::renderText(const char* utf8String, void * pFont, u32 color,
u16 width, u16 height, u8 * pBuffer8888,
s16 stride, s16 base_x, s16 base_y, bool use4444)
{
FontObject* pObjFont = (FontObject*)pFont;
if (pObjFont) {
pObjFont->renderText(base_x, base_y, utf8String, pBuffer8888, color, width, height, stride, use4444);
}
return true;
}
void *
CWin32Platform::getFont(int size, const char * fontName, float* pAscent)
{
FontObject* pFont = FontObject::createFont(fontName, size);
if (pFont) {
// pFont->
if (pAscent) {
*pAscent = pFont->getAscent();
}
}
return pFont;
}
void wfAbort(NET_StreamClass *stream, int status)
{
struct stream_data *data = (struct stream_data *) stream->data_object;
nfstrm_Abort((nfstrm *)data->fpStream, (jint) status, NULL);
// Mark the font as in error
cfImpl *oimpl = cf2cfImpl(data->f);
FontObject *fob = (FontObject *)oimpl->object;
fob->setState(NF_FONT_ERROR);
// Notify nfdoer with status of Abort
wf_NotifyObserver(data);
wf_ReleaseStreamData(data);
return;
}
/*ARGSUSED*/
_cf_release(struct cf* self, jint op, JMCException* *exc)
{
cfImplHeader* impl = (cfImplHeader*)cf2cfImpl(self);
--impl->refcount;
// Run the GC
cfImpl *oimpl = cf2cfImpl(self);
FontObject *fob = (FontObject *)oimpl->object;
int ret = fob->GC();
if (impl->refcount == 0)
{
cf_finalize(self, exc);
}
}
bool
CWin32Platform::getTextInfo(const char* utf8String, void * pFont, STextInfo* pReturnInfo)
{
FontObject* pF = (FontObject*)pFont;
if (pF) {
pF->getTextInfo(utf8String, pReturnInfo);
} else {
pReturnInfo->ascent = 0.0f;
pReturnInfo->descent = 0.0f;
pReturnInfo->bottom = 0.0f;
pReturnInfo->top = 0.0f;
pReturnInfo->width = 0.0f;
pReturnInfo->height = 0.0f;
}
return true;
}
struct nff *
wfFontObjectCache::
Rf2Font(struct nfrf *rf)
{
struct nff *f = NULL;
struct wfListElement *tmp = head;
for (; tmp; tmp = tmp->next)
{
struct font_store *ele = (struct font_store *) tmp->item;
// We know that this Font object was created by us. So we can
// snoop into its implementation to call implementation specific
// methods.
cfImpl *oimpl = cf2cfImpl(ele->f);
FontObject *fob = (FontObject *)oimpl->object;
if (fob->isRfExist(rf))
{
f = ele->f;
nff_addRef((struct nff *)f, NULL);
break;
}
}
return f;
}
