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RemoteDrawingEngine: Implement StringWidth.

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It doesn't actually seem to be called though.
This commit is contained in:
Michael Lotz 2017-11-21 21:18:10 +01:00
parent df55bcf5a0
commit 5fb27ee2c4
1 changed files with 29 additions and 1 deletions
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30
src/servers/app/drawing/interface/remote/RemoteDrawingEngine.cpp
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@ -910,7 +910,35 @@ float
RemoteDrawingEngine::StringWidth(const char* string, int32 length,
escapement_delta* delta)
{
// TODO: decide if really needed and use callback if so
// TODO: Decide if really needed.
while (true) {
if (_AddCallback() != B_OK)
break;
RemoteMessage message(NULL, fHWInterface->SendBuffer());
message.Start(RP_STRING_WIDTH);
message.Add(fToken);
message.AddString(string, length);
// TODO: Support escapement delta.
if (message.Flush() != B_OK)
break;
status_t result;
do {
result = acquire_sem_etc(fResultNotify, 1, B_RELATIVE_TIMEOUT,
1 * 1000 * 1000);
} while (result == B_INTERRUPTED);
if (result != B_OK)
break;
return fStringWidthResult;
}
// Fall back to local calculation.
return fState.Font().StringWidth(string, length, delta);
}