| Goffice Reference Manual | ||||
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| Top | Description | Object Hierarchy | Signals | ||||
GOData; GODataClass; GOData * go_data_dup (GOData const *src); gboolean go_data_eq (GOData const *a,GOData const *b); GOFormat * go_data_preferred_fmt (GOData const *dat); GODateConventions const * go_data_date_conv (GOData const *dat); char * go_data_serialize (GOData const *dat,gpointer user); gboolean go_data_unserialize (GOData *dat,char const *str,gpointer user); void go_data_emit_changed (GOData *dat); double * go_data_get_values (GOData *data); void go_data_get_bounds (GOData *data,double *minimum,double *maximum); gboolean go_data_is_increasing (GOData *data); gboolean go_data_is_decreasing (GOData *data); gboolean go_data_is_varying_uniformly (GOData *data); unsigned int go_data_get_n_dimensions (GOData *data); unsigned int go_data_get_n_values (GOData *data); unsigned int go_data_get_vector_size (GOData *data); void go_data_get_matrix_size (GOData *data,unsigned int *n_rows,unsigned int *n_columns); double go_data_get_scalar_value (GOData *data); double go_data_get_vector_value (GOData *data,unsigned int column); double go_data_get_matrix_value (GOData *data,unsigned int row,unsigned int column); char * go_data_get_scalar_string (GOData *data); char * go_data_get_vector_string (GOData *data,unsigned int column); char * go_data_get_matrix_string (GOData *data,unsigned int row,unsigned int column);
typedef struct {
GObjectClass base;
GOData * (*dup) (GOData const *src);
gboolean (*eq) (GOData const *a, GOData const *b);
GOFormat * (*preferred_fmt) (GOData const *dat);
GODateConventions const *(*date_conv) (GOData const *dat);
char * (*serialize) (GOData const *dat, gpointer user);
gboolean (*unserialize) (GOData *dat, char const *str, gpointer user);
void (*emit_changed) (GOData *dat);
unsigned int (*get_n_dimensions) (GOData *data);
void (*get_sizes) (GOData *data, unsigned int *sizes);
double * (*get_values) (GOData *data);
void (*get_bounds) (GOData *data, double *minimum, double *maximum);
double (*get_value) (GOData *data, unsigned int *coordinates);
char * (*get_string) (GOData *data, unsigned int *coordinates);
/* signals */
void (*changed) (GOData *dat);
} GODataClass;
GOFormat * go_data_preferred_fmt (GOData const *dat);
Caller is responsible for unrefing the result.
|
GOData |
Returns : |
the fmt preferred by the the data |
GODateConventions const * go_data_date_conv (GOData const *dat);
|
GOData |
Returns : |
the date conventions used by the data, or NULL if not determined. |
char * go_data_serialize (GOData const *dat,gpointer user);
NOTE : This is the _source_ not the content. (I.e., this refers to the expression, not its current value.)
|
GOData |
|
a gpointer describing the context. |
Returns : |
a string representation of the data source that the caller is responsible for freeing |
gboolean go_data_unserialize (GOData *dat,char const *str,gpointer user);
De-serializes the source information returned from go_data_serialize.
void go_data_emit_changed (GOData *dat);
protected utility to emit a 'changed' signal
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GOData |
void go_data_get_matrix_size (GOData *data,unsigned int *n_rows,unsigned int *n_columns);
double go_data_get_matrix_value (GOData *data,unsigned int row,unsigned int column);
char * go_data_get_matrix_string (GOData *data,unsigned int row,unsigned int column);