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effect.cpp

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #include "engines/stark/visual/effects/effect.h"
00024 
00025 #include "graphics/surface.h"
00026 
00027 #include "engines/stark/gfx/driver.h"
00028 #include "engines/stark/gfx/surfacerenderer.h"
00029 #include "engines/stark/gfx/texture.h"
00030 #include "engines/stark/services/services.h"
00031 #include "engines/stark/services/settings.h"
00032 
00033 namespace Stark {
00034 
00035 VisualEffect::VisualEffect(VisualType type, const Common::Point &size, Gfx::Driver *gfx) :
00036         Visual(type),
00037         _size(size),
00038         _gfx(gfx),
00039         _timeBetweenTwoUpdates(3 * 33), // ms (frames @ 30 fps)
00040         _timeRemainingUntilNextUpdate(0) {
00041     _surface = new Graphics::Surface();
00042     _surface->create(size.x, size.y, Gfx::Driver::getRGBAPixelFormat());
00043 
00044     _texture = _gfx->createTexture(_surface);
00045     _texture->setSamplingFilter(StarkSettings->getImageSamplingFilter());
00046 
00047     _surfaceRenderer = _gfx->createSurfaceRenderer();
00048 }
00049 
00050 VisualEffect::~VisualEffect() {
00051     if (_surface) {
00052         _surface->free();
00053     }
00054     delete _surface;
00055     delete _texture;
00056     delete _surfaceRenderer;
00057 }
00058 
00059 } // End of namespace Stark


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