scummvm/image/icocur.h

107 lines
2.2 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef IMAGE_ICOCUR_H
#define IMAGE_ICOCUR_H
#include "common/array.h"
#include "common/types.h"
namespace Common {
class SeekableReadStream;
} // End of namespace Common
namespace Graphics {
class Cursor;
struct Surface;
} // End of namespace Graphics
namespace Image {
class IcoCurDecoder {
public:
enum Type {
kTypeInvalid,
kTypeICO,
kTypeCUR,
};
struct Item {
struct IconData {
uint16 numPlanes;
uint16 bitsPerPixel;
};
struct CursorData {
uint16 hotspotX;
uint16 hotspotY;
};
union DataUnion {
IconData ico;
CursorData cur;
};
uint16 width;
uint16 height;
uint8 numColors; // May be 0
DataUnion data;
uint32 dataSize;
uint32 dataOffset;
};
IcoCurDecoder();
~IcoCurDecoder();
bool open(Common::SeekableReadStream &stream, DisposeAfterUse::Flag = DisposeAfterUse::NO);
void close();
Type getType() const;
uint numItems() const;
const Item &getItem(uint itemIndex) const;
/**
* Loads an item from the directory as a cursor.
*
* @param itemIndex The index of the item in the directory.
* @return Loaded cursor.
*/
Graphics::Cursor *loadItemAsCursor(uint itemIndex) const;
private:
bool load();
Type _type;
Common::Array<Item> _items;
Common::SeekableReadStream *_stream;
DisposeAfterUse::Flag _disposeAfterUse;
};
} // End of namespace Image
#endif