open_toontown_panda3d/panda/src/grutil/pfmFile.h

139 lines
4.6 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"
#include "internalName.h"
class GeomNode;
class Lens;
////////////////////////////////////////////////////////////////////
// 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);
BLOCKING bool read(const Filename &fullpath);
BLOCKING bool read(istream &in, const Filename &fullpath = Filename(),
const string &magic_number = string());
BLOCKING bool write(const Filename &fullpath);
BLOCKING bool write(ostream &out, const Filename &fullpath = Filename());
BLOCKING bool load(const PNMImage &pnmimage);
BLOCKING bool store(PNMImage &pnmimage) const;
INLINE bool is_valid() const;
INLINE int get_x_size() const;
INLINE int get_y_size() const;
INLINE PN_stdfloat get_scale() const;
INLINE int get_num_channels() const;
INLINE bool has_point(int x, int y) const;
INLINE const LPoint3 &get_point(int x, int y) const;
INLINE void set_point(int x, int y, const LVecBase3 &point);
INLINE LPoint3 &modify_point(int x, int y);
BLOCKING bool calc_average_point(LPoint3 &result, PN_stdfloat x, PN_stdfloat y, PN_stdfloat radius) const;
BLOCKING bool calc_min_max(LVecBase3 &min_points, LVecBase3 &max_points) const;
INLINE void set_zero_special(bool zero_special);
INLINE void set_no_data_value(const LPoint3 &no_data_value);
INLINE void clear_no_data_value();
INLINE bool has_no_data_value() const;
INLINE const LPoint3 &get_no_data_value() const;
BLOCKING void resize(int new_x_size, int new_y_size);
BLOCKING void reverse_rows();
BLOCKING void flip(bool flip_x, bool flip_y, bool transpose);
BLOCKING void xform(const LMatrix4 &transform);
BLOCKING void project(const Lens *lens);
BLOCKING void merge(const PfmFile &other);
BLOCKING PT(BoundingHexahedron) compute_planar_bounds(PN_stdfloat point_dist, PN_stdfloat sample_radius) const;
BLOCKING PT(BoundingHexahedron) compute_planar_bounds(const LPoint2 &center, PN_stdfloat point_dist, PN_stdfloat sample_radius, bool points_only) const;
void compute_sample_point(LPoint3 &result,
PN_stdfloat x, PN_stdfloat y, PN_stdfloat sample_radius) const;
INLINE void set_vis_inverse(bool vis_inverse);
INLINE bool get_vis_inverse() const;
INLINE void set_flat_texcoord_name(InternalName *flat_texcoord_name);
INLINE void clear_flat_texcoord_name();
INLINE InternalName *get_flat_texcoord_name() const;
INLINE void set_vis_2d(bool vis_2d);
INLINE bool get_vis_2d() const;
BLOCKING NodePath generate_vis_points() const;
enum MeshFace {
MF_front = 0x01,
MF_back = 0x02,
MF_both = 0x03,
};
BLOCKING NodePath generate_vis_mesh(MeshFace face = MF_front) const;
private:
void make_vis_mesh_geom(GeomNode *gnode, bool inverted) const;
void box_filter_region(LPoint3 &result,
PN_stdfloat x0, PN_stdfloat y0, PN_stdfloat x1, PN_stdfloat y1) const;
void box_filter_line(LPoint3 &result, PN_stdfloat &coverage,
PN_stdfloat x0, int y, PN_stdfloat x1, PN_stdfloat y_contrib) const;
void box_filter_point(LPoint3 &result, PN_stdfloat &coverage,
int x, int y, PN_stdfloat x_contrib, PN_stdfloat 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<LPoint3> Table;
Table _table;
int _x_size;
int _y_size;
PN_stdfloat _scale;
int _num_channels;
bool _has_no_data_value;
LPoint3 _no_data_value;
bool _vis_inverse;
PT(InternalName) _flat_texcoord_name;
bool _vis_2d;
};
#include "pfmFile.I"
#endif