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#ifndef HILBERT_KERNEL_FRAMEBUFFER_HPP
#define HILBERT_KERNEL_FRAMEBUFFER_HPP
#include <cstdint>
namespace hilbert::kernel::framebuffer {
extern int width;
extern int height;
void init_framebuffer(uint64_t paddr, uint64_t vaddr, uint64_t width, uint64_t height, uint64_t pitch);
typedef uint32_t color;
color encode_color(uint8_t r, uint8_t g, uint8_t b);
void set_pixel(int x, int y, color c);
//[from_start_x, from_end_x) x [from_start_y, from_end_y) -> [to_start_x, ...) x [to_start_y, ...)
//we assume from_start_x < from_end_x and from_start_y < from_end_y
void move_region(int from_start_x, int from_start_y, int from_end_x, int from_end_y, int to_start_x, int to_start_y);
//[start_x, end_x) x [start_y, end_y)
void fill_region(int start_x, int start_y, int end_x, int end_y, color c);
}
#endif
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