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https://github.com/panda3d/panda3d.git
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181 lines
7.5 KiB
C++
181 lines
7.5 KiB
C++
// 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 "pandabase.h"
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#include "pnmImageHeader.h"
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#include "luse.h"
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#include "boundingHexahedron.h"
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#include "vector_float.h"
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class PNMImage;
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class PNMReader;
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class PNMWriter;
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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, or with a
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// special extension, 4-component.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_PNMIMAGE PfmFile : public PNMImageHeader {
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PUBLISHED:
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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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void clear(int x_size, int y_size, int num_channels);
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BLOCKING bool read(const Filename &fullpath);
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BLOCKING bool read(istream &in, const Filename &fullpath = Filename());
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BLOCKING bool read(PNMReader *reader);
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BLOCKING bool write(const Filename &fullpath);
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BLOCKING bool write(ostream &out, const Filename &fullpath = Filename());
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BLOCKING bool write(PNMWriter *writer);
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BLOCKING bool load(const PNMImage &pnmimage);
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BLOCKING bool store(PNMImage &pnmimage) const;
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BLOCKING bool store_mask(PNMImage &pnmimage) const;
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INLINE bool is_valid() const;
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INLINE PN_float32 get_scale() const;
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INLINE void set_scale(PN_float32 scale);
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INLINE bool has_point(int x, int y) const;
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INLINE PN_float32 get_component(int x, int y, int c) const;
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INLINE void set_component(int x, int y, int c, PN_float32 value);
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INLINE PN_float32 get_point1(int x, int y) const;
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INLINE void set_point1(int x, int y, PN_float32 point);
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INLINE const LPoint2f &get_point2(int x, int y) const;
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INLINE void set_point2(int x, int y, const LVecBase2f &point);
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INLINE void set_point2(int x, int y, const LVecBase2d &point);
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INLINE LPoint2f &modify_point2(int x, int y);
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INLINE const LPoint3f &get_point(int x, int y) const;
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INLINE void set_point(int x, int y, const LVecBase3f &point);
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INLINE void set_point(int x, int y, const LVecBase3d &point);
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INLINE LPoint3f &modify_point(int x, int y);
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INLINE const LPoint4f &get_point4(int x, int y) const;
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INLINE void set_point4(int x, int y, const LVecBase4f &point);
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INLINE void set_point4(int x, int y, const LVecBase4d &point);
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INLINE LPoint4f &modify_point4(int x, int y);
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INLINE void fill(PN_float32 value);
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INLINE void fill(const LPoint2f &value);
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INLINE void fill(const LPoint3f &value);
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void fill(const LPoint4f &value);
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BLOCKING bool calc_average_point(LPoint3f &result, PN_float32 x, PN_float32 y, PN_float32 radius) const;
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BLOCKING bool calc_min_max(LVecBase3f &min_points, LVecBase3f &max_points) const;
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BLOCKING bool calc_autocrop(int &x_begin, int &x_end, int &y_begin, int &y_end) const;
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BLOCKING INLINE bool calc_autocrop(LVecBase4f &range) const;
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BLOCKING INLINE bool calc_autocrop(LVecBase4d &range) const;
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bool is_row_empty(int y, int x_begin, int x_end) const;
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bool is_column_empty(int x, int y_begin, int y_end) const;
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INLINE void set_zero_special(bool zero_special);
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INLINE void set_no_data_chan4(bool chan4);
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void set_no_data_value(const LPoint4f &no_data_value);
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INLINE void set_no_data_value(const LPoint4d &no_data_value);
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INLINE void clear_no_data_value();
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INLINE bool has_no_data_value() const;
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INLINE const LPoint4f &get_no_data_value() const;
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BLOCKING void resize(int new_x_size, int new_y_size);
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BLOCKING void box_filter_from(double radius, const PfmFile ©);
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BLOCKING void gaussian_filter_from(double radius, const PfmFile ©);
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BLOCKING void quick_filter_from(const PfmFile ©);
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BLOCKING void reverse_rows();
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BLOCKING void flip(bool flip_x, bool flip_y, bool transpose);
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BLOCKING void xform(const LMatrix4f &transform);
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INLINE BLOCKING void xform(const LMatrix4d &transform);
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BLOCKING void forward_distort(const PfmFile &dist, PN_float32 scale_factor = 1.0);
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BLOCKING void reverse_distort(const PfmFile &dist, PN_float32 scale_factor = 1.0);
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BLOCKING void merge(const PfmFile &other);
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BLOCKING void copy_channel(int to_channel, const PfmFile &other, int from_channel);
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BLOCKING void apply_crop(int x_begin, int x_end, int y_begin, int y_end);
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BLOCKING void clear_to_texcoords(int x_size, int y_size);
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bool calc_tight_bounds(LPoint3f &min_point, LPoint3f &max_point) const;
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BLOCKING PT(BoundingHexahedron) compute_planar_bounds(const LPoint2f ¢er, PN_float32 point_dist, PN_float32 sample_radius, bool points_only) const;
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INLINE BLOCKING PT(BoundingHexahedron) compute_planar_bounds(const LPoint2d ¢er, PN_float32 point_dist, PN_float32 sample_radius, bool points_only) const;
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void compute_sample_point(LPoint3f &result,
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PN_float32 x, PN_float32 y, PN_float32 sample_radius) const;
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void output(ostream &out) const;
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public:
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INLINE const vector_float &get_table() const;
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INLINE void swap_table(vector_float &table);
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private:
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void box_filter_region(PN_float32 &result,
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PN_float32 x0, PN_float32 y0, PN_float32 x1, PN_float32 y1) const;
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void box_filter_region(LPoint3f &result,
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PN_float32 x0, PN_float32 y0, PN_float32 x1, PN_float32 y1) const;
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void box_filter_region(LPoint4f &result,
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PN_float32 x0, PN_float32 y0, PN_float32 x1, PN_float32 y1) const;
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void box_filter_line(PN_float32 &result, PN_float32 &coverage,
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PN_float32 x0, int y, PN_float32 x1, PN_float32 y_contrib) const;
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void box_filter_line(LPoint3f &result, PN_float32 &coverage,
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PN_float32 x0, int y, PN_float32 x1, PN_float32 y_contrib) const;
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void box_filter_line(LPoint4f &result, PN_float32 &coverage,
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PN_float32 x0, int y, PN_float32 x1, PN_float32 y_contrib) const;
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void box_filter_point(PN_float32 &result, PN_float32 &coverage,
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int x, int y, PN_float32 x_contrib, PN_float32 y_contrib) const;
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void box_filter_point(LPoint3f &result, PN_float32 &coverage,
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int x, int y, PN_float32 x_contrib, PN_float32 y_contrib) const;
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void box_filter_point(LPoint4f &result, PN_float32 &coverage,
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int x, int y, PN_float32 x_contrib, PN_float32 y_contrib) const;
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class MiniGridCell {
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public:
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MiniGridCell() : _sxi(-1), _syi(-1), _dist(-1) { }
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int _sxi, _syi;
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int _dist;
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};
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void fill_mini_grid(MiniGridCell *mini_grid, int x_size, int y_size,
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int xi, int yi, int dist, int sxi, int syi) const;
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static bool has_point_noop(const PfmFile *file, int x, int y);
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static bool has_point_1(const PfmFile *file, int x, int y);
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static bool has_point_3(const PfmFile *file, int x, int y);
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static bool has_point_4(const PfmFile *file, int x, int y);
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static bool has_point_chan4(const PfmFile *file, int x, int y);
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private:
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typedef vector_float Table;
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Table _table;
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PN_float32 _scale;
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bool _has_no_data_value;
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LPoint4f _no_data_value;
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typedef bool HasPointFunc(const PfmFile *file, int x, int y);
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HasPointFunc *_has_point;
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friend class PfmVizzer;
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};
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#include "pfmFile.I"
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#endif
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