mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-26 19:55:44 +00:00
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/* 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 LASTEXPRESS_BACKGROUND_H
|
|
#define LASTEXPRESS_BACKGROUND_H
|
|
|
|
/*
|
|
Background file format (.BG)
|
|
|
|
header:
|
|
uint32 {4} - position X on screen
|
|
uint32 {4} - position Y on screen
|
|
uint32 {4} - image width
|
|
uint32 {4} - image height
|
|
uint32 {4} - red color channel data size
|
|
uint32 {4} - blue color channel data size
|
|
uint32 {4} - green color channel data size
|
|
|
|
data:
|
|
byte {x} - red color channel data
|
|
byte {x} - blue color channel data
|
|
byte {x} - green color channel data
|
|
*/
|
|
|
|
#include "lastexpress/drawable.h"
|
|
|
|
namespace Common {
|
|
class SeekableReadStream;
|
|
}
|
|
|
|
namespace LastExpress {
|
|
|
|
class Background : public Drawable {
|
|
public:
|
|
Background();
|
|
~Background();
|
|
|
|
bool load(Common::SeekableReadStream *stream);
|
|
|
|
Common::Rect draw(Graphics::Surface *surface);
|
|
|
|
private:
|
|
struct BackgroundHeader {
|
|
uint32 posX; ///< position X on screen
|
|
uint32 posY; ///< position Y on screen
|
|
uint32 width; ///< image width
|
|
uint32 height; ///< image height
|
|
uint32 redSize; ///< red color channel data size
|
|
uint32 blueSize; ///< blue color channel data size
|
|
uint32 greenSize; ///< green color channel data size
|
|
};
|
|
|
|
BackgroundHeader _header;
|
|
uint16 *_data; ///< decoded background data
|
|
|
|
byte *decodeComponent(Common::SeekableReadStream *in, uint32 inSize, uint32 outSize) const;
|
|
};
|
|
|
|
} // End of namespace LastExpress
|
|
|
|
#endif // LASTEXPRESS_BACKGROUND_H
|