image_view.h

#pragma once
 
#include "data_view.h"
 
#include "lib_begin.h"
 
namespace cgv {
        namespace data {
 
class CGV_API image_view
{
public:
        data_format df;
        data_view dv;
        void* ref_void(int i, int j);
        const void* get_void(int i, int j) const;
public:
        image_view();
        int get_width() const { return df.get_width(); }
        int get_height() const { return df.get_height(); }
        data_view& ref_data_view() { return dv; }
        void create(const std::string& fmt_dcr, int w=-1, int h=-1);
        void clear(double v);
        
        /*
        bool read(const std::string& fn);
        bool write(const std::string& fn) const;
        */
 
        template <typename T>
        T& ref(int i, int j) { return *((T*)ref_void(i,j)); }
        template <typename T>
        const T& get(int i, int j) const { return *((const T*)get_void(i,j)); }
        template <typename T>
        T* ptr(int i, int j) { return (T*)ref_void(i,j); }
        void copy_rectangle(const image_view& src, int X = 0, int Y = 0, int x = 0, int y = 0, int w = -1, int h = -1);
        void sub_sample();
};
 
        }
}
 
#include <cgv/config/lib_end.h>