Flutter：如何在画布上绘制图标？

Flutter：如何在画布上绘制图标？

创建

Paragraph

包含正确字体的代码点，根据需要设置样式，然后绘制。

final icon = Icons.add;var builder = ui.ParagraphBuilder(ui.ParagraphStyle(  fontFamily: icon.fontFamily,))  ..addText(String.fromCharCode(icon.prePoint));var para = builder.build();para.layout(const ui.ParagraphConstraints(width: 60));canvas.drawParagraph(para, const Offset(20, 20));