DseLineString¶

struct DseLineString¶

Public Functions

DseLineString *dse_line_string_new()¶

Creates a new line string.

See also

dse_line_string_free()

Returns:

Returns a line string that must be freed.

void dse_line_string_free(DseLineString *line_string)¶

Frees a line string instance.

Parameters:

line_string – [in]

void dse_line_string_reset(DseLineString *line_string)¶

Resets a line string so that it can be reused.

Parameters:

line_string – [in]

void dse_line_string_reserve(DseLineString *line_string, cass_uint32_t num_points)¶

Reserves enough memory to contain the provided number of points. This can be use to reduce memory allocations, but it is not required.

Parameters:

• line_string – [in]

• num_points – [in]

CassError dse_line_string_add_point(DseLineString *line_string, cass_double_t x, cass_double_t y)¶

Adds a point to the line string.

Parameters:

• line_string – [in]

• x – [in]

• y – [in]

Returns:

CASS_OK if successful, otherwise an error occurred.

CassError dse_line_string_finish(DseLineString *line_string)¶

Finishes the contruction of a line string.

Parameters:

line_string – [in]

Returns:

CASS_OK if successful, otherwise an error occurred.