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pandatool/src/egg-palettize/palettePage.h

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// Filename: palettePage.h
// Created by:  drose (01Dec00)
//
////////////////////////////////////////////////////////////////////
//
// 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 PALETTEPAGE_H
#define PALETTEPAGE_H

#include "pandatoolbase.h"

#include "textureProperties.h"

#include "namable.h"
#include "typedWritable.h"

class PaletteGroup;
class PaletteImage;
class TexturePlacement;

////////////////////////////////////////////////////////////////////
//       Class : PalettePage
// Description : This is a particular collection of textures, within a
//               PaletteGroup, that all share the same
//               TextureProperties.  The textures on the same page may
//               therefore all be placed on the same set of
//               PaletteImages together.
////////////////////////////////////////////////////////////////////
class PalettePage : public TypedWritable, public Namable {
private:
  PalettePage();

public:
  PalettePage(PaletteGroup *group, const TextureProperties &properties);

  PaletteGroup *get_group() const;
  const TextureProperties &get_properties() const;

  void assign(TexturePlacement *placement);
  void place_all();
  void place(TexturePlacement *placement);
  void unplace(TexturePlacement *placement);

  void write_image_info(ostream &out, int indent_level = 0) const;
  void optimal_resize();
  void reset_images();
  void setup_shadow_images();
  void update_images(bool redo_all);

private:
  PaletteGroup *_group;
  TextureProperties _properties;

  typedef pvector<TexturePlacement *> Assigned;
  Assigned _assigned;

  typedef pvector<PaletteImage *> Images;
  Images _images;

  // The TypedWritable interface follows.
public:
  static void register_with_read_factory();
  virtual void write_datagram(BamWriter *writer, Datagram &datagram);
  virtual int complete_pointers(TypedWritable **p_list,
                                BamReader *manager);

protected:
  static TypedWritable *make_PalettePage(const FactoryParams &params);
  void fillin(DatagramIterator &scan, BamReader *manager);

private:
  // This value is only filled in while reading from the bam file;
  // don't use it otherwise.
  int _num_images;

public:
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    TypedWritable::init_type();
    Namable::init_type();
    register_type(_type_handle, "PalettePage",
                  TypedWritable::get_class_type(),
                  Namable::get_class_type());
  }
  virtual TypeHandle get_type() const {
    return get_class_type();
  }

private:
  static TypeHandle _type_handle;
};

#endif

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