board_view.h

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#pragma once
 
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
 
#include "emu_presentation.h"
#include "ra8_attributes.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct board_view board_view_t;

typedef struct {
  uintptr_t words[4]; 
} board_view_storage_t;

board_view_t* board_view_open(board_view_storage_t* storage,
                              uint16_t              width_px,
                              uint16_t              height_px,
                              const char*           title);

void board_view_present(board_view_t* view, emu_presentation_workspace_t* presentation);

size_t board_view_read_rgb888_fd(int fd, off_t position, void* buffer, size_t count);

bool board_view_pump(board_view_t* view);

bool board_view_poll_click(board_view_t* view, uint16_t* x, uint16_t* y);

bool board_view_poll_drag(board_view_t* view, uint16_t* x, uint16_t* y);

bool board_view_poll_release(board_view_t* view);

int32_t board_view_poll_scroll(board_view_t* view);

void board_view_close(board_view_t* view);
 
#ifdef __cplusplus
}
#endif