Tools class

Constructors

Tools()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

getDeviceType(PointerDeviceKind kind) → String

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Properties

iconMap ↔ Map

加载过的icon，，此内容永不清除，贯穿整个页面周期

getter/setter pair

loadMap ↔ Map

getter/setter pair

measureTextPainter ↔ TextPainter

getter/setter pair

shaderMap ↔ Map

shader对象，此内容在尺寸不变时永不清除，贯穿整个页面周期

getter/setter pair

strMap ↔ Map

测量过的内容，此内容永不清除，贯穿整个页面周期

getter/setter pair

strMeasureStyle ↔ Map

getter/setter pair

strPainterSpan ↔ Map

getter/setter pair

strPainterStyle ↔ Map

getter/setter pair

textPainter ↔ TextPainter

getter/setter pair

Static Methods

abs(dynamic v) → dynamic

bigNumWithStr(dynamic value, dynamic digits) → dynamic

大数缩写 value 要缩写展示的内容

calculateDaysDifference(DateTime dateA, int xMilliseconds) → int

calculateMonthDifference(DateTime dateA, int xMilliseconds) → int

calculateNewTime(DateTime dateA, dynamic xMilliseconds) → int

calculateNewTimeFromMonth(DateTime date, int months) → int

calculateYearDifference(DateTime dateA, int xMilliseconds) → int

ceil(dynamic v) → dynamic

向上取整

clearShader() → dynamic

在尺寸改变时候调用下

dashPaint(Canvas canvas, Offset start, Offset end, double dashWidth, double gapWidth, Paint paint) → dynamic

dateToFormat(dynamic format, dynamic dt) → dynamic

获取时间字符串 format 时间样式 例：yyyy/MM/dd HH:mm:ss dt 毫秒值 yyyy：4位年份（2025） MM：2位月份（08） dd：2位日期（11） HH：24小时制（15） mm：分钟（30） ss：秒（45）

deepCopy(dynamic object) → dynamic

复制对象

drawCircle(dynamic canvas, dynamic path, dynamic paint, dynamic pathList) → dynamic

drawImage(dynamic id, Canvas canvas, Paint paint, Image? image, Map imageSize, bool isCircle, dynamic borderColor, double x, double y, double? w, double? h) → dynamic

drawPath(dynamic canvas, dynamic path, dynamic paint, dynamic pathList, dynamic property) → dynamic

drawRect(dynamic canvas, dynamic path, dynamic paint, dynamic pathList) → dynamic

drawRectPath(dynamic canvas, dynamic path, dynamic paint, dynamic pathList) → dynamic

drawText(Canvas canvas, String txt, dynamic font, dynamic size) → dynamic

drawTextList(dynamic canvas, dynamic textList, dynamic font) → dynamic

floatAdd(dynamic arg1, dynamic arg2) → dynamic

加

floatDiv(dynamic arg1, dynamic arg2) → dynamic

除

floatMul(dynamic arg1, dynamic arg2) → dynamic

乘

floatSub(dynamic arg1, dynamic arg2) → dynamic

减

floor(dynamic v) → dynamic

向下取整

getClStr(dynamic interval, dynamic knum) → dynamic

获取测量线提示内容

getColorFromList(dynamic list) → Color

通过argb生成新的颜色

getDJS(dynamic v) → dynamic

获取倒计时

getFontStyle(dynamic value) → dynamic

getFontWeight(dynamic value) → dynamic

getIntervalDJS(dynamic interval, dynamic startT, dynamic timeUTC, dynamic serveZone, dynamic timeZone) → dynamic

getIntervalStartEndTime(dynamic interval, dynamic startT) → dynamic

getKIndex(dynamic kDataL, dynamic time, dynamic kData, dynamic interval) → dynamic

getKTime(dynamic index, dynamic lastI, dynamic kData, dynamic interval) → dynamic

getLocalTime(dynamic time, dynamic serveZone, dynamic localZone) → dynamic

getMeasureTxtStyle(Map obj) → Map

getPanitTxtSpan(String txt, Map obj) → TextSpan

getPanitTxtStyle(Map obj) → Map

getRangeKlineTimeS(dynamic interval, int nums, dynamic time, {int dic = 1}) → dynamic

从time开始根据周期推算出往后num根k线的时间

getRGBOFromColor(Color c) → List

获取颜色的argb

getRiStartTime(dynamic interval, dynamic time) → dynamic

获取日周月季年周期的开始日期

getStartOfDay(DateTime date) → DateTime

getStartOfMonth(DateTime date) → DateTime

getStartOfWeek(DateTime date) → DateTime

getStartOfYear(DateTime date) → DateTime

getStrW(dynamic text, Map style) → Map

测量文本宽度

intervalTimeFormat(dynamic time, dynamic v) → dynamic

isInKline(dynamic startT, dynamic t, dynamic interval) → dynamic

计算某个时间是否在某根k线上 startt某根k线开始时间毫秒值 t某个时间毫秒值 interval周期

isNaN(dynamic value) → bool

isNumber(dynamic val) → dynamic

loadImage(String id, String assetPath, {dynamic draw}) → dynamic

max(dynamic a, dynamic b) → dynamic

min(dynamic a, dynamic b) → dynamic

modulo(dynamic a, dynamic b) → dynamic

取模 %

paintDashedPath(Canvas canvas, Path path, Paint paint, double dashLength, double gapLength) → dynamic

priceToY(dynamic h, dynamic v, dynamic min, dynamic yscale, {dynamic dic = 1}) → dynamic

点位到y轴像素转换 h y轴像素高度 v 要转换的点位 min y轴最小值 yscale 像素和点位的比例 一个像素对应多少点位 dic 方向 如果不传默认 TOOLS.YDIC 1从大到小 其他从小到大 最高最低值一样时 yscale 约定值1

replaceNumbersWithEight(String text) → String

round(dynamic v) → dynamic

四舍五入

setPaint(dynamic paint, dynamic stroke) → dynamic

strAddZero(dynamic value, dynamic digits, {dynamic fx = -1}) → dynamic

value 需要补0的字符串 digits 需要的小数位数 fx -1补在字符串的前面 1补在字符串的后面

toFixed(dynamic v, int digits, {dynamic istrunc = true}) → dynamic

小数位控制 istrunc 默认true 超出截取，低于补0. false直接四舍五入

yToPrice(dynamic h, dynamic v, dynamic min, dynamic yscale, dynamic priceDigits, {dynamic dic = 1}) → dynamic

y轴像素到点位转换 h y轴高度 v y像素值 min y轴最小值 yscale 像素和点位的比例 一个像素对应多少点位 dic 方向 如果不传默认 TOOLS.YDIC 1从大到小 其他从小到大 priceDigits 价格精度 最高最低值一样时 yscale 约定值1