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#pragma once
namespace nes::app
{
struct image_tile;
/// Non-owning copy of a 2-dimensional block of image tiles, forming an image.
///
/// This is similar in spirit to a string_view, but for image tiles.
class image_view
{
image_tile const* data_{ nullptr };
unsigned width_{ 0 };
unsigned height_{ 0 };
public:
explicit image_view() = default;
explicit image_view(image_tile const* data, unsigned const width, unsigned const height)
: data_{ data }
, width_{ width }
, height_{ height }
{
}
auto get_data() const -> image_tile const* { return data_; }
auto get_width() const -> unsigned { return width_; }
auto get_height() const -> unsigned { return height_; }
auto get(unsigned const x, unsigned const y) const -> image_tile const& { return data_[y * height_ + x]; }
};
} // namespace nes::app
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