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51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef BACKENDS_BASE_BACKEND_H
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#define BACKENDS_BASE_BACKEND_H
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#include "common/system.h"
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#include "common/events.h"
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/**
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* Subclass of OSystem that contains default implementations of functions that would
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* cause circular dependencies if they were implemented in common/system.cpp
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*/
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class BaseBackend : public OSystem {
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public:
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void initBackend() override;
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using OSystem::setScaler;
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bool setScaler(const char *name, int factor) override final;
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void displayMessageOnOSD(const Common::U32String &msg) override;
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void displayActivityIconOnOSD(const Graphics::Surface *icon) override {}
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void fillScreen(uint32 col) override;
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void fillScreen(const Common::Rect &r, uint32 col) override;
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};
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class EventsBaseBackend : virtual public BaseBackend, Common::EventSource {
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public:
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virtual void initBackend();
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};
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#endif
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