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#ifndef IMAGE_UTILS_H
#define IMAGE_UTILS_H
#include <core/Godot.hpp>
#include <gen/Image.hpp>
#include <gen/Reference.hpp>
#include <vector>
namespace godot {
class ImageUtils : public Reference {
GODOT_CLASS(ImageUtils, Reference)
public:
static void _register_methods();
ImageUtils();
~ImageUtils();
void _init();
Vector2 get_red_range(Ref<Image> image_ref, Rect2 rect) const;
float get_red_sum(Ref<Image> image_ref, Rect2 rect) const;
float get_red_sum_weighted(Ref<Image> image_ref, Ref<Image> brush_ref, Vector2 p_pos, float factor) const;
void add_red_brush(Ref<Image> image_ref, Ref<Image> brush_ref, Vector2 p_pos, float factor) const;
void lerp_channel_brush(Ref<Image> image_ref, Ref<Image> brush_ref, Vector2 p_pos, float factor, float target_value, int channel) const;
void lerp_color_brush(Ref<Image> image_ref, Ref<Image> brush_ref, Vector2 p_pos, float factor, Color target_value) const;
float generate_gaussian_brush(Ref<Image> image_ref) const;
void blur_red_brush(Ref<Image> image_ref, Ref<Image> brush_ref, Vector2 p_pos, float factor);
void paint_indexed_splat(Ref<Image> index_map_ref, Ref<Image> weight_map_ref, Ref<Image> brush_ref, Vector2 p_pos, int texture_index, float factor);
//void erode_red_brush(Ref<Image> image_ref, Ref<Image> brush_ref, Vector2 p_pos, float factor);
private:
std::vector<float> _blur_buffer;
};
} // namespace godot
#endif // IMAGE_UTILS_H
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