2003-04-15 22:58:49 +00:00

109 lines
2.9 KiB
C++

// Filename: imageFile.h
// Created by: drose (28Nov00)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////
#ifndef IMAGEFILE_H
#define IMAGEFILE_H
#include "pandatoolbase.h"
#include "textureProperties.h"
#include "filename.h"
#include "typedWritable.h"
class PNMImage;
class EggTexture;
class PaletteGroup;
////////////////////////////////////////////////////////////////////
// Class : ImageFile
// Description : This is the base class of both TextureImage and
// PaletteImage. It encapsulates all the information
// specific to an image file that can be assigned as a
// texture image to egg geometry.
////////////////////////////////////////////////////////////////////
class ImageFile : public TypedWritable {
public:
ImageFile();
void make_shadow_image(const string &basename);
bool is_size_known() const;
int get_x_size() const;
int get_y_size() const;
bool has_num_channels() const;
int get_num_channels() const;
const TextureProperties &get_properties() const;
void clear_basic_properties();
void update_properties(const TextureProperties &properties);
void set_filename(PaletteGroup *group, const string &basename);
void set_filename(const string &dirname, const string &basename);
const Filename &get_filename() const;
const Filename &get_alpha_filename() const;
int get_alpha_file_channel() const;
bool exists() const;
bool read(PNMImage &image) const;
bool write(const PNMImage &image) const;
void unlink();
void update_egg_tex(EggTexture *egg_tex) const;
void output_filename(ostream &out) const;
protected:
TextureProperties _properties;
Filename _filename;
Filename _alpha_filename;
int _alpha_file_channel;
bool _size_known;
int _x_size, _y_size;
// The TypedWritable interface follows.
public:
virtual void write_datagram(BamWriter *writer, Datagram &datagram);
virtual int complete_pointers(TypedWritable **p_list,
BamReader *manager);
protected:
void fillin(DatagramIterator &scan, BamReader *manager);
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
TypedWritable::init_type();
register_type(_type_handle, "ImageFile",
TypedWritable::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
private:
static TypeHandle _type_handle;
};
#endif