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91 lines
2.5 KiB
C++
Executable File
91 lines
2.5 KiB
C++
Executable File
// Filename: pfmFile.h
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// Created by: drose (23Dec10)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#ifndef PFMFILE_H
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#define PFMFILE_H
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#include "pandatoolbase.h"
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#include "luse.h"
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#include "nodePath.h"
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#include "boundingHexahedron.h"
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////////////////////////////////////////////////////////////////////
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// Class : PfmFile
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// Description : Defines a pfm file, a 2-d table of floating-point
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// numbers, either 3-component or 1-component.
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////////////////////////////////////////////////////////////////////
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class PfmFile {
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public:
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PfmFile();
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PfmFile(const PfmFile ©);
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void operator = (const PfmFile ©);
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void clear();
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bool read(const Filename &fullpath);
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bool read(istream &in);
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bool write(const Filename &fullpath);
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bool write(ostream &out);
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INLINE bool is_valid() const;
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INLINE int get_x_size() const;
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INLINE int get_y_size() const;
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INLINE float get_scale() const;
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INLINE int get_num_channels() const;
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INLINE const LPoint3f &get_point(int x, int y) const;
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INLINE LPoint3f &modify_point(int x, int y);
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INLINE void set_zero_special(bool zero_special);
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INLINE bool get_zero_special() const;
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void resize(int new_x_size, int new_y_size);
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void reverse_rows();
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void xform(const LMatrix4f &transform);
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PT(BoundingHexahedron) compute_planar_bounds(double point_dist, double sample_radius) const;
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NodePath generate_vis_points() const;
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NodePath generate_vis_mesh() const;
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private:
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PT(Geom) make_vis_mesh_geom(bool inverted) const;
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void compute_sample_point(LPoint3f &result,
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double x, double y, double sample_radius) const;
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void box_filter_region(LPoint3f &result,
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double x0, double y0, double x1, double y1) const;
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void box_filter_line(LPoint3f &result, double &coverage,
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double x0, int y, double x1, double y_contrib) const;
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void box_filter_point(LPoint3f &result, double &coverage,
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int x, int y, double x_contrib, double y_contrib) const;
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private:
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typedef pvector<LPoint3f> Table;
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Table _table;
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int _x_size;
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int _y_size;
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float _scale;
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int _num_channels;
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bool _zero_special;
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};
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#include "pfmFile.I"
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#endif
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