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(size_t i, size_t j);
    const void* get_void(size_t i, size_t j) const;
public:
    image_view();
    size_t get_width() const { return df.get_width(); }
    size_t get_height() const { return df.get_height(); }
    data_view& ref_data_view() { return dv; }
    void create(const std::string& fmt_dcr, std::ptrdiff_t w=-1, std::ptrdiff_t h=-1);
    void clear(double v);
    template <typename T>
    T& ref(size_t i, size_t j) { return *((T*)ref_void(i,j)); }
    template <typename T>
    const T& get(size_t i, size_t j) const { return *((const T*)get_void(i,j)); }
    template <typename T>
    T* ptr(size_t i, size_t j) { return (T*)ref_void(i,j); }
    void copy_rectangle(const image_view& src, std::ptrdiff_t X = 0, std::ptrdiff_t Y = 0, std::ptrdiff_t x = 0, std::ptrdiff_t y = 0, std::ptrdiff_t w = -1, std::ptrdiff_t h = -1);
    void sub_sample();
};
 
    }
}
 
#include <cgv/config/lib_end.h>