flexi_kline_draw_tools 2.0.0
flexi_kline_draw_tools: ^2.0.0 copied to clipboard
draw tools library for FlexiKline
flexi_kline_draw_tools #
flexi_kline 的绘图工具扩展包,提供趋势线、斐波那契、平行通道等 19 种绘图工具。
版本兼容 #
| flexi_kline_draw_tools | flexi_kline | Flutter |
|---|---|---|
| 2.0.0 | ^2.5.1 | >=3.27.0 |
版本号 major 与
flexi_kline对齐,之后独立演进。
安装 #
dependencies:
flexi_kline_draw_tools: ^2.0.0
快速上手 #
两种方式注册绘图工具(二选一):
// 方式一:函数调用
registerAllDrawObjectBuilder(controller);
// 方式二:混入配置类
class MyConfig extends FlexiKlineStorage
with FlexiKlineConfigurationMixin, DrawObjectBuildersConfigMixin {
// drawObjectBuilders 已自动提供
}
支持的绘图工具 #
| 分组 | 工具 | 点数 |
|---|---|---|
| Lines | trendLine, arrowLine, extendedTrendLine, trendAngle, rayLine, horizontalTrendLine, horizontalRayLine | 2 |
| Lines | horizontalLine, verticalLine, crossLine, priceLine | 1 |
| Projection | rectangle | 2 |
| Projection | parallelChannel, parallelogram | 3 |
| Fibonacci | fibRetracement, fibFans | 2 |
| Fibonacci | fibExpansion | 3 |
| Patterns | tripleWaves | 4 |
| Patterns | pentaWaves | 6 |
tripleWaves和pentaWaves都由ElliottImpulseWaveDrawObject实现,区别仅在点数。
参数定制 #
通过 DrawToolsConfig.configure() 统一配置,只传入需要修改的参数:
DrawToolsConfig.configure(
arrowLine: const ArrowLineDrawParam(arrowsLen: 20),
rectangle: const RectangleDrawParam(rectangleBgOpacity: 0.2),
priceLine: const PriceLineDrawParam(
priceText: TextAreaConfig(
style: TextStyle(color: Color(0xFFFF0000), fontSize: 11),
),
),
);
各工具的参数类:
| 工具 | 参数类 | 主要字段 |
|---|---|---|
| ArrowLine | ArrowLineDrawParam |
arrowsRadians, arrowsLen |
| PriceLine | PriceLineDrawParam |
priceText, priceTextMargin |
| TrendAngle | TrendAngleDrawParam |
angleBaseLineMinLen, angleRadSize, angleText |
| ParallelChannel | ParallelChannelDrawParam |
parallelBgOpacity |
| Rectangle | RectangleDrawParam |
rectangleBgOpacity |
| Parallelogram | ParallelogramDrawParam |
bgOpacity |
| FibExpansion | FibonacciDrawParam |
fibRates, fibColors, fibBgOpacity, fibText |
| FibRetracement | FibonacciDrawParam |
同上(独立实例) |
| FibFans | FibFansDrawParam |
fibFansParams, fibFansColors, fibFansGridColor, fibText |
线色、线宽、虚线样式由核心包的
Overlay.line控制,不在此配置。priceText和angleText默认为null,回退到核心包DrawConfig.ticksText的主题色。
License #
Apache License 2.0