diff options
Diffstat (limited to 'engines/titanic/star_control/surface_fader_base.h')
| -rw-r--r-- | engines/titanic/star_control/surface_fader_base.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/engines/titanic/star_control/surface_fader_base.h b/engines/titanic/star_control/surface_fader_base.h new file mode 100644 index 0000000000..ead4460521 --- /dev/null +++ b/engines/titanic/star_control/surface_fader_base.h @@ -0,0 +1,62 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef TITANIC_SURFACE_FADER_BASE_H +#define TITANIC_SURFACE_FADER_BASE_H + +#include "titanic/support/video_surface.h" +#include "titanic/support/screen_manager.h" +#include "titanic/star_control/surface_area.h" + +namespace Titanic { + +class CSurfaceFaderBase { +private: + /** + * Sets up an internal surface to match the size of the specified one + */ + bool setupSurface(CScreenManager *screenManager, CVideoSurface *srcSurface); +protected: + int _index; + int _count; + CVideoSurface *_videoSurface; +protected: + /** + * Create a faded version of the source surface at the given dest + */ + virtual void copySurface(CSurfaceArea &srcSurface, CSurfaceArea &destSurface) = 0; +public: + CSurfaceFaderBase(); + virtual ~CSurfaceFaderBase(); + + virtual void reset(); + + /** + * Creates a faded version of the passed source surface, based on a percentage + * visibility specified by _index of _count + */ + virtual CVideoSurface *fade(CScreenManager *screenManager, CVideoSurface *srcSurface); +}; + +} // End of namespace Titanic + +#endif /* TITANIC_SURFACE_FADER_BASE_H */ |