scummvm/engines/grim/bitmap.h
2011-05-22 12:56:37 +08:00

107 lines
3.3 KiB
C++

/* Residual - A 3D game interpreter
*
* Residual is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* file distributed with this source distribution.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#ifndef GRIM_BITMAP_H
#define GRIM_BITMAP_H
#include "engines/grim/object.h"
namespace Grim {
// This BitmapData class keeps the actual bitmap data and can be shared
// between Bitmap instances, by using getBitmapData.
// Bitmap still keeps the data that can change between the instances
// i.e. _x, _y and _currImage.
// They are automatically deleted if they are not used by any bitmap anymore.
class BitmapData {
public:
BitmapData(const Common::String &fname, const char *data, int len);
BitmapData(const char *data, int w, int h, int bpp, const char *fname);
BitmapData();
~BitmapData();
bool loadTile(const char *data, int len);
static BitmapData *getBitmapData(const Common::String &fname, const char *data, int len);
static Common::HashMap<Common::String, BitmapData *> *_bitmaps;
char *getImageData(int num) const;
void convertToColorFormat(int num, int format);
Common::String _fname;
int _numImages;
int _width, _height, _x, _y;
int _format;
int _numTex;
int _bpp;
int _colorFormat;
void *_texIds;
bool _hasTransparency;
char _filename[32];
int _refCount;
private:
char **_data;
};
class Bitmap : public Object {
public:
// Construct a bitmap from the given data.
Bitmap(const Common::String &filename, const char *data, int len);
Bitmap(const char *data, int width, int height, int bpp, const char *filename);
Bitmap();
const Common::String &getFilename() const { return _data->_fname; }
void draw() const;
// Set which image in an animated bitmap to use
void setNumber(int n) { if ((n - 1) >= _data->_numImages) warning("Bitmap::setNumber: no anim image: %d", n); else _currImage = n; }
int getNumImages() const { return _data->_numImages; }
int getCurrentImage() const { return _currImage; }
bool getHasTransparency() const { return _data->_hasTransparency; }
int getFormat() const { return _data->_format; }
int getWidth() const { return _data->_width; }
int getHeight() const { return _data->_height; }
int getX() const { return _x; }
int getY() const { return _y; }
void setX(int xPos) { _x = xPos; }
void setY(int yPos) { _y = yPos; }
char *getData(int num) const { return _data->getImageData(num); }
char *getData() const { return getData(_currImage); }
void *getTexIds() const { return _data->_texIds; }
int getNumTex() const { return _data->_numTex; }
virtual ~Bitmap();
private:
BitmapData *_data;
int _currImage;
int _x, _y;
};
} // end of namespace Grim
#endif