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GogChart

GogChart — A chart.

Object Hierarchy


Description

GogChart wraps one or more GogPlot objects, so that you can superimpose them on top of each other. In addition, the chart can have a title and a legend.

Functions

GogEnumFunc ()

void
(*GogEnumFunc) (unsigned  i,
                gpointer style,
                char const *name,
                PangoAttrList *l,
                gpointer data);


gog_chart_axis_set_assign ()

gboolean
gog_chart_axis_set_assign (GogChart *chart,
                           GogAxisSet type);

Returns


gog_chart_axis_set_is_valid ()

gboolean
gog_chart_axis_set_is_valid (GogChart const *chart,
                             GogAxisSet type);

Returns


gog_chart_foreach_elem ()

void
gog_chart_foreach_elem (GogChart *chart,
                        gboolean only_visible,
                        GogEnumFunc handler,
                        gpointer data);

Applies handler to children

Parameters

chart

GogChart

 

only_visible

whether to only apply to visible children

 

handler

callback.

[scope call]

data

user data

 

gog_chart_get_axes ()

GSList *
gog_chart_get_axes (GogChart const *chart,
                    GogAxisType target);

Parameters

chart

GogChart

 

target

GogAxisType

 

Returns

a list which the caller must free of all axis of type target associated with chart .

[element-type GogAxis][transfer container]


gog_chart_get_axis_set ()

GogAxisSet
gog_chart_get_axis_set (GogChart const *chart);

Returns


gog_chart_get_cardinality ()

void
gog_chart_get_cardinality (GogChart *chart,
                           unsigned *full,
                           unsigned *visible);

Update and cache cardinality values if required, and returns full and visible cardinality. Full cardinality is the number of chart elements that require a different style. Visible cardinality is the number of chart elements shown in chart legend.

full and visible may be NULL.

Parameters

chart

a GogChart

 

full

placeholder for full cardinality

 

visible

placeholder for visible cardinality

 

gog_chart_get_grid ()

GogGrid *
gog_chart_get_grid (GogChart const *chart);

Parameters

chart

GogChart

 

Returns

the grid associated with chart if one exists otherwise NULL.

[transfer none]


gog_chart_get_plot_area ()

gboolean
gog_chart_get_plot_area (GogChart *chart,
                         GogViewAllocation *plot_area);

Stores plot area in plot_area, in fraction of chart size.

Parameters

chart

GogChart

 

plot_area

GogViewAllocation

 

Returns

TRUE if plot area position is manual.


gog_chart_get_plots ()

GSList *
gog_chart_get_plots (GogChart const *chart);

Parameters

chart

GogChart

 

Returns

the list of the plots in chart .

[element-type GogPlot][transfer none]


gog_chart_get_position ()

gboolean
gog_chart_get_position (GogChart const *chart,
                        unsigned *x,
                        unsigned *y,
                        unsigned *cols,
                        unsigned *rows);

Parameters

chart

const GogChart

 

Returns

TRUE if the chart has been positioned.


gog_chart_is_3d ()

gboolean
gog_chart_is_3d (GogChart const *chart);

Returns


gog_chart_request_cardinality_update ()

void
gog_chart_request_cardinality_update (GogChart *chart);


gog_chart_set_plot_area ()

void
gog_chart_set_plot_area (GogChart *chart,
                         GogViewAllocation const *plot_area);

If plot_area != NULL, sets plot area size and location, in fraction of chart size, and sets GogChart::is_plot_area_manual flag to TRUE. If plot_area == NULL, sets GogChart::is_plot_area_manual to FALSE.

Parameters

chart

GogChart

 

plot_area

GogViewAllocation

 

gog_chart_set_position ()

void
gog_chart_set_position (GogChart *chart,
                        unsigned int x,
                        unsigned int y,
                        unsigned int cols,
                        unsigned int rows);

Parameters

chart

GogChart

 

gog_chart_view_get_plot_area ()

GogViewAllocation const *
gog_chart_view_get_plot_area (GogView const *view);

Returns

Types and Values

See Also

GogPlot

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