widgets/weather/pdf_dual_chart_painter library

PDF dual-line chart painting functionality for max/min values.

Copyright (C) 2026, Software Innovation Institute, ANU.

Licensed under the GNU General Public License, Version 3 (the "License").

License: https://opensource.org/license/gpl-3-0.

Functions

buildPdfDualChart(Map<DateTime, double> maxData, Map<DateTime, double> minData, double minValue, double maxValue, String unit) → Widget
Build dual-line chart for PDF (e.g., max/min temperature).