31 lines
734 B
C
31 lines
734 B
C
#include <my_global.h>
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#include <my_sys.h>
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#include <m_string.h>
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#include <mysql.h>
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#include <quad_tile.h>
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my_bool tile_for_point_init(UDF_INIT *initid, UDF_ARGS *args, char *message)
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{
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if ( args->arg_count != 2 ||
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args->arg_type[0] != INT_RESULT ||
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args->arg_type[1] != INT_RESULT )
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{
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strcpy( message, "Your tile_for_point arguments are bogus!" );
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return 1;
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}
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return 0;
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}
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void tile_for_point_deinit(UDF_INIT *initid)
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{
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return;
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}
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long long tile_for_point(UDF_INIT *initid, UDF_ARGS *args, char *is_null, char *error)
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{
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long long lat = *(long long *)args->args[0];
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long long lon = *(long long *)args->args[1];
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return xy2tile(lon2x(lon / 10000000.0), lat2y(lat / 10000000.0));
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}
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