Struct PngHeatmap 

pub struct PngHeatmap {
    pub stats_panel: Option<StatsPanel>,
    /* private fields */
}

PNG heatmap export with trueno-viz style output

Fields

stats_panel: Option<StatsPanel>

Stats panel for combined coverage display

Implementations

impl PngHeatmap

pub fn new(width: u32, height: u32) -> Self

Create new PNG exporter with specified dimensions

pub fn with_margin(self, margin: u32) -> Self

Set margin around the heatmap (trueno-viz style)

pub fn with_background(self, color: Rgb) -> Self

Set background color

pub fn with_border_color(self, color: Rgb) -> Self

Set border color

pub fn with_palette(self, palette: ColorPalette) -> Self

Set color palette

pub fn with_legend(self) -> Self

Enable legend overlay

pub fn with_gap_highlighting(self) -> Self

Enable gap highlighting (red outline for 0% coverage cells)

pub fn with_borders(self, show: bool) -> Self

Enable or disable cell borders

pub fn with_title(self, title: &str) -> Self

Set title text

pub fn with_subtitle(self, subtitle: &str) -> Self

Set subtitle text (displayed below title)

pub fn with_combined_stats(self, report: &CombinedCoverageReport) -> Self

Set combined coverage stats panel

pub fn export(&self, cells: &[Vec<CoverageCell>]) -> Result<Vec<u8>, Error>

Export to PNG bytes (trueno-viz style with margins)

pub fn export_to_file( &self, cells: &[Vec<CoverageCell>], path: &Path, ) -> Result<(), Error>

Export to file

Trait Implementations

impl Clone for PngHeatmap

fn clone(&self) -> PngHeatmap

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PngHeatmap

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for PngHeatmap

fn default() -> Self

Returns the “default value” for a type.