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#pragma once
#include "Color.hpp"
#include "RcPtr.hpp"
#include <cstdint>
#include <glm/glm.hpp>
#include <memory>
#include <span>
/// Image is a 2d array of pixels, stored as a continuous array in memory, with the first pixel
/// being the top-left pixel. If a vertically flipped image data is needed, load using stb_image
/// yourself, or flip the data here.
class Image : public RefCounted {
private:
std::unique_ptr<uint8_t[]> mData;
glm::ivec2 mSize;
int mChannels;
public:
Image();
bool InitFromImageFile(const char* filePath, int desiredChannels = 0);
bool InitFromImageData(std::span<uint8_t> data, int desiredChannels = 0);
bool InitFromPixels(std::span<uint8_t> pixels, glm::ivec2 dimensions, int channels);
bool InitFromPixels(std::unique_ptr<uint8_t[]> pixels, glm::ivec2 dimensions, int channels);
/// Get the pixel at the given location.
RgbaColor GetPixel(int x, int y) const;
void SetPixel(int x, int y, RgbaColor color);
uint8_t* GetDataPtr() const;
size_t GetDataLength() const;
std::span<uint8_t> GetData() const;
glm::ivec2 GetSize() const;
int GetChannels() const;
bool IsEmpty() const;
};
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