scummvm/common/winexe_ne.h

99 lines
2.7 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 COMMON_WINEXE_NE_H
#define COMMON_WINEXE_NE_H
#include "common/list.h"
#include "common/str.h"
#include "common/winexe.h"
namespace Common {
template<class T> class Array;
class SeekableReadStream;
/**
* A class able to load resources from a Windows New Executable, such
* as cursors, bitmaps, and sounds.
*
* See http://en.wikipedia.org/wiki/New_Executable for more info.
*/
class NEResources {
public:
NEResources();
~NEResources();
/** Clear all information. */
void clear();
/** Load from an EXE file. */
bool loadFromEXE(const String &fileName);
/** Load from a Windows compressed EXE file. */
bool loadFromCompressedEXE(const String &fileName);
/** Load from a stream. */
bool loadFromEXE(SeekableReadStream *stream);
/** Return a list of resources for a given type. */
const Array<WinResourceID> getIDList(const WinResourceID &type) const;
/** Return a stream to the specified resource (or 0 if non-existent). */
SeekableReadStream *getResource(const WinResourceID &type, const WinResourceID &id);
private:
/** A resource. */
struct Resource {
WinResourceID id;
WinResourceID type; ///< Type of the resource.
uint32 offset; ///< Offset within the EXE.
uint32 size; ///< Size of the data.
uint16 flags;
uint16 handle;
uint16 usage;
};
SeekableReadStream *_exe; ///< Current file.
/** All resources. */
List<Resource> _resources;
/** Read the offset to the resource table. */
uint32 getResourceTableOffset();
/** Read the resource table. */
bool readResourceTable(uint32 offset);
/** Find a specific resource. */
const Resource *findResource(const WinResourceID &type, const WinResourceID &id) const;
/** Read a resource string. */
static String getResourceString(SeekableReadStream &exe, uint32 offset);
};
} // End of namespace Common
#endif