scummvm/bitmap.h

// Residual - Virtual machine to run LucasArts' 3D adventure games
// Copyright (C) 2003-2004 The ScummVM-Residual Team (www.scummvm.org)
//
//  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., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA

#ifndef BITMAP_H
#define BITMAP_H

#include "resource.h"
#include <cstring>
#include <SDL_opengl.h>

class Bitmap : public Resource {
public:
	// Construct a bitmap from the given data.
	Bitmap(const char *filename, const char *data, int len);

	void draw() const;

	// Set which image in an animated bitmap to use
	void setNumber(int n) { curr_image_ = n; }

	int numImages() const { return num_images_; }
	int currentImage() const { return curr_image_; }

	int width() const { return width_; }
	int height() const { return height_; }
	int x() const { return x_; }
	int y() const { return y_; }

	char * getData() { return data_[curr_image_]; }

	~Bitmap();

private:
	char **data_;
	int num_images_, curr_image_;
	int width_, height_, x_, y_;
	int format_;
	int num_tex_;
	GLuint *tex_ids_;
	bool hasTransparency_;
};

#endif