insightdock::charts::PieChart

Pie chart rendered to an ImageBuffer.

Synopsis

Declared in <insightdock/pie_chart.h>

class PieChart
    : public Chart

Name	Description
`Chart`	Abstract base for all chart types.

Name	Description
`PieChart` [constructor]	Default constructor
`add_slice`	`add_slice` overloads
`apply_theme`	Apply a `ChartTheme` to this chart's color and typography options.
`clear_slices`	Remove all slices.
`clone` [virtual]
`draw` [virtual]	Draw the same pie geometry, labels and styles into a raster or vector target.
`options`	`options` overloads
`pie_options`	Current pie options.
`render` [virtual]	Render the pie chart to RGBA pixels.
`set_pie_options`	Replace all pie-specific options.
`slice_count`	Number of slices.
`slices`	Read-only access to slice data (e.g. for PDF vector export).
`vector_capability` [virtual]

Name
`options_`

Name	Description
`detail::build_chart_svg`	Render `chart` as a native-vector SVG document.


PieChart pie;
pie.add_slice("Revenue", 100);
pie.add_slice("Costs", 60);
ChartExporter::save(pie, "pie.png");

For vector PDF output, use ChartExporter with PdfBackend::Vector or insightdock::charts::podofo::draw_pie.