open_toontown_panda3d/panda/src/grutil/pfmFile.h

115 lines
3.4 KiB
C++
Executable File

// Filename: pfmFile.h
// Created by: drose (23Dec10)
//
////////////////////////////////////////////////////////////////////
//
// 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."
//
////////////////////////////////////////////////////////////////////
#ifndef PFMFILE_H
#define PFMFILE_H
#include "pandabase.h"
#include "luse.h"
#include "nodePath.h"
#include "boundingHexahedron.h"
class GeomNode;
////////////////////////////////////////////////////////////////////
// Class : PfmFile
// Description : Defines a pfm file, a 2-d table of floating-point
// numbers, either 3-component or 1-component.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA_GRUTIL PfmFile {
PUBLISHED:
PfmFile();
PfmFile(const PfmFile &copy);
void operator = (const PfmFile &copy);
void clear();
void clear(int x_size, int y_size, int num_channels);
bool read(const Filename &fullpath);
bool read(istream &in);
bool write(const Filename &fullpath);
bool write(ostream &out);
INLINE bool is_valid() const;
INLINE int get_x_size() const;
INLINE int get_y_size() const;
INLINE float get_scale() const;
INLINE int get_num_channels() const;
INLINE bool has_point(int x, int y) const;
INLINE const LPoint3f &get_point(int x, int y) const;
INLINE void set_point(int x, int y, const LVecBase3f &point);
INLINE LPoint3f &modify_point(int x, int y);
bool calc_average_point(LPoint3f &result, double x, double y, double radius) const;
bool calc_min_max(LVecBase3f &min_points, LVecBase3f &max_points) const;
INLINE void set_zero_special(bool zero_special);
INLINE bool get_zero_special() const;
void resize(int new_x_size, int new_y_size);
void reverse_rows();
void xform(const LMatrix4f &transform);
PT(BoundingHexahedron) compute_planar_bounds(double point_dist, double sample_radius) const;
INLINE void set_vis_inverse(bool vis_inverse);
INLINE bool get_vis_inverse() const;
INLINE void set_vis_2d(bool vis_2d);
INLINE bool get_vis_2d() const;
NodePath generate_vis_points() const;
NodePath generate_vis_mesh(bool double_sided) const;
private:
void make_vis_mesh_geom(GeomNode *gnode, bool inverted) const;
void compute_sample_point(LPoint3f &result,
double x, double y, double sample_radius) const;
void box_filter_region(LPoint3f &result,
double x0, double y0, double x1, double y1) const;
void box_filter_line(LPoint3f &result, double &coverage,
double x0, int y, double x1, double y_contrib) const;
void box_filter_point(LPoint3f &result, double &coverage,
int x, int y, double x_contrib, double y_contrib) const;
class MiniGridCell {
public:
MiniGridCell() : _ti(-1), _dist(-1) { }
int _ti;
int _dist;
};
void fill_mini_grid(MiniGridCell *mini_grid, int x_size, int y_size,
int xi, int yi, int dist, int ti) const;
private:
typedef pvector<LPoint3f> Table;
Table _table;
int _x_size;
int _y_size;
float _scale;
int _num_channels;
bool _zero_special;
bool _vis_inverse;
bool _vis_2d;
};
#include "pfmFile.I"
#endif