historical/toontown-classic.git/panda/include/openCVTexture.h
2024-01-16 11:20:27 -06:00

131 lines
3.7 KiB
C++

/**
* 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."
*
* @file openCVTexture.h
* @author zacpavlov
* @date 2005-08-19
*/
#ifndef OPENCVTEXTURE_H
#define OPENCVTEXTURE_H
#include "pandabase.h"
#ifdef HAVE_OPENCV
#include "videoTexture.h"
struct CvCapture;
/**
* A specialization on VideoTexture that takes its input using the CV library,
* to produce an animated texture, with its source taken from an .avi file or
* from a camera input.
*/
class EXPCL_VISION OpenCVTexture : public VideoTexture {
PUBLISHED:
OpenCVTexture(const std::string &name = std::string());
OpenCVTexture(const OpenCVTexture &copy) = delete;
virtual ~OpenCVTexture();
bool from_camera(int camera_index = -1, int z = 0,
int alpha_file_channel = 0,
const LoaderOptions &options = LoaderOptions());
public:
static PT(Texture) make_texture();
protected:
virtual void consider_update();
virtual PT(Texture) make_copy_impl() const;
void do_assign(Texture::CData *cdata_tex, const OpenCVTexture *copy,
const Texture::CData *cdata_copy_tex);
virtual void do_update_frame(Texture::CData *cdata_tex, int frame);
virtual void do_update_frame(Texture::CData *cdata_tex, int frame, int z);
virtual bool do_read_one(Texture::CData *cdata,
const Filename &fullpath, const Filename &alpha_fullpath,
int z, int n, int primary_file_num_channels, int alpha_file_channel,
const LoaderOptions &options,
bool header_only, BamCacheRecord *record);
virtual bool do_load_one(Texture::CData *cdata,
const PNMImage &pnmimage, const std::string &name,
int z, int n, const LoaderOptions &options);
private:
class VideoPage;
class VideoStream;
VideoPage &do_modify_page(const Texture::CData *cdata, int z);
bool do_reconsider_video_properties(Texture::CData *cdata,
const VideoStream &stream,
int num_components, int z,
const LoaderOptions &options);
void do_update();
class VideoStream {
public:
VideoStream();
VideoStream(const VideoStream &copy);
~VideoStream();
bool read(const Filename &filename);
bool from_camera(int camera_index);
void clear();
INLINE bool is_valid() const;
INLINE bool is_from_file() const;
bool get_frame_data(int frame,
const unsigned char *&r,
const unsigned char *&g,
const unsigned char *&b,
int &x_pitch, int &y_pitch);
CvCapture *_capture;
Filename _filename;
int _camera_index;
int _next_frame;
};
class VideoPage {
public:
INLINE VideoPage();
INLINE VideoPage(const VideoPage &copy);
INLINE ~VideoPage();
VideoStream _color, _alpha;
};
typedef pvector<VideoPage> Pages;
Pages _pages;
public:
static void register_with_read_factory();
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
VideoTexture::init_type();
register_type(_type_handle, "OpenCVTexture",
VideoTexture::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
#include "openCVTexture.I"
#endif // HAVE_OPENCV
#endif