Ichthyostega
670c670d55
over time, a specific Lumiera code writing style has emerged. The GUI, as it stood, used somewhat different conventions, which now have been aligned to the common standard. Basically we use GNU style, with some adjustments for OO-programming, we prefer CamelCase, and write TypeNames uppercase, variableNames lowercase
92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/*
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Display(Proxy) - service providing access to a display for outputting frames
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Copyright (C) Lumiera.org
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2009, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file display-interface-proxy.hpp
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** This is an implementation fragment, intended to be included into common/interfaceproxy.cpp
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**
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** The purpose is to define a proxy implementation of lumiera::Display, in order to
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** redirect any calls through the associated C Language Interface "lumieraorg_Display"
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**
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** @see display-facade.hpp
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** @see display-service.hpp actual implementation within the GUI
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*/
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/* ==================== gui::Display ====================================== */
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#include "include/display-facade.h"
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namespace lumiera {
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/** storage for the facade proxy factory
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* used by client code to invoke through the interface */
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lumiera::facade::Accessor<Display> Display::facade;
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/// emit the vtable here into this translation unit within liblumieracommon.so...
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Display::~Display() { }
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} // namespace lumiera
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namespace lumiera {
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namespace facade {
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typedef InstanceHandle< LUMIERA_INTERFACE_INAME(lumieraorg_Display, 0)
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, lumiera::Display
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> IHandle_Display;
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template<>
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class Proxy<IHandle_Display>
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: public Holder<IHandle_Display>
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{
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//----Proxy-Implementation-of-lumiera::Display--------
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Display::Sink
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getHandle (LumieraDisplaySlot display)
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{
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_i_.allocate (display);
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Sink sinkHandle;
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sinkHandle.activate (display, _i_.release);
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if (lumiera_error_peek() || !sinkHandle)
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throw lumiera::error::State("failed to allocate output DisplayerSlot",
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lumiera_error());
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return sinkHandle;
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}
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public:
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Proxy (IHandle const& iha) : THolder(iha) {}
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};
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template void openProxy<IHandle_Display> (IHandle_Display const&);
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template void closeProxy<IHandle_Display> (void);
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}} // namespace lumiera::facade
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