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/* 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 GLK_FROTZ_PICS_H
#define GLK_FROTZ_PICS_H
#include "common/archive.h"
#include "common/array.h"
#include "common/file.h"
namespace Glk {
namespace Frotz {
enum PicturesMode {
kMONO = 0,
kTEXT = 1,
kCGA = 2,
kMCGA = 3,
kEGA = 4,
kAmiga = 5
};
/**
* Infocom graphics file manager
*/
class Pics : public Common::Archive {
/**
* Describes a single index entry
*/
struct Entry {
uint _number;
size_t _width, _height;
uint _flags;
size_t _dataOffset;
size_t _dataSize;
size_t _paletteOffset;
Common::String _filename;
/**
* Constructor
*/
Entry() : _number(0), _width(0), _height(0), _flags(0), _dataOffset(0), _dataSize(0),
_paletteOffset(0) {}
};
private:
Common::String _filename;
Common::Array<Entry> _index; ///< list of entries
uint _entrySize;
uint _version;
Common::Array<byte> *_palette;
private:
/**
* Returns the filename for the pictures archive
*/
static Common::String getFilename();
/**
* Read in the palette
*/
void loadPalette(Common::File &f, const Entry &e, Common::Array<byte> &palette) const;
public:
/**
* Returns true if an mg1 file exists for the game
*/
static bool exists();
public:
/**
* Constructor
*/
Pics();
/**
* Destructor
*/
~Pics();
/**
* Return the number of entries in the file
*/
size_t size() const { return _index.size(); }
/**
* Return the version of the file
*/
uint version() const { return _version; }
/**
* Check if a member with the given name is present in the Archive.
* Patterns are not allowed, as this is meant to be a quick File::exists()
* replacement.
*/
virtual bool hasFile(const Common::String &name) const override;
/**
* Add all members of the Archive to list.
* Must only append to list, and not remove elements from it.
*
* @return the number of names added to list
*/
virtual int listMembers(Common::ArchiveMemberList &list) const override;
/**
* Returns a ArchiveMember representation of the given file.
*/
virtual const Common::ArchiveMemberPtr getMember(const Common::String &name) const override;
/**
* Create a stream bound to a member with the specified name in the
* archive. If no member with this name exists, 0 is returned.
* @return the newly created input stream
*/
virtual Common::SeekableReadStream *createReadStreamForMember(const Common::String &name) const override;
};
} // End of namespace Frotz
} // End of namespace Glk
#endif
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