historical/toontown-classic.git/panda/include/imageFile.h
2024-01-16 11:20:27 -06:00

100 lines
2.4 KiB
C++

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file imageFile.h
* @author drose
* @date 2000-11-28
*/
#ifndef IMAGEFILE_H
#define IMAGEFILE_H
#include "pandatoolbase.h"
#include "textureProperties.h"
#include "filename.h"
#include "typedWritable.h"
class PNMImage;
class EggTexture;
class PaletteGroup;
/**
* 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();
bool make_shadow_image(const std::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);
bool set_filename(PaletteGroup *group, const std::string &basename);
bool set_filename(const std::string &dirname, const std::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(std::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