feat: init commit

axis.go

@@ -0,0 +1,100 @@
+// MIT License
+
+// Copyright (c) 2021 Tree Xie
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+package charts
+
+import (
+	"github.com/wcharczuk/go-chart/v2"
+	"github.com/wcharczuk/go-chart/v2/drawing"
+)
+
+type (
+	// AxisData string
+	XAxis struct {
+		// 'value' 数值轴，适用于连续数据。
+		// 'category' 类目轴，适用于离散的类目数据。为该类型时类目数据可自动从 series.data 或 dataset.source 中取，或者可通过 xAxis.data 设置类目数据。
+		// 'time' 时间轴，适用于连续的时序数据，与数值轴相比时间轴带有时间的格式化，在刻度计算上也有所不同，例如会根据跨度的范围来决定使用月，星期，日还是小时范围的刻度。
+		// 'log' 对数轴。适用于对数数据。
+		Type string
+		Data []string
+	}
+)
+
+const axisStrokeWidth = 1
+
+func GetXAxisAndValues(xAxis XAxis, theme string) (chart.XAxis, []float64) {
+	xValues := make([]float64, len(xAxis.Data))
+	ticks := make([]chart.Tick, len(xAxis.Data))
+	for index, key := range xAxis.Data {
+		f := float64(index)
+		xValues[index] = f
+		ticks[index] = chart.Tick{
+			Value: f,
+			Label: key,
+		}
+	}
+	// TODO
+	if theme == ThemeDark {
+		return chart.XAxis{
+			Ticks: ticks,
+		}, xValues
+	}
+	return chart.XAxis{
+		Ticks: ticks,
+		Style: chart.Style{
+			FontColor:   AxisColorLight,
+			StrokeColor: AxisColorLight,
+			StrokeWidth: axisStrokeWidth,
+		},
+	}, xValues
+}
+
+func GetYAxis(theme string) chart.YAxis {
+	// TODO
+	if theme == ThemeDark {
+		return chart.YAxis{}
+	}
+	strokeColor := drawing.Color{
+		R: 224,
+		G: 230,
+		B: 241,
+		A: 255,
+	}
+	return chart.YAxis{
+
+		AxisType: chart.YAxisSecondary,
+		GridMajorStyle: chart.Style{
+			StrokeColor: strokeColor,
+			StrokeWidth: axisStrokeWidth,
+		},
+		GridMinorStyle: chart.Style{
+			StrokeColor: strokeColor,
+			StrokeWidth: axisStrokeWidth,
+		},
+		Style: chart.Style{
+			FontColor: AxisColorLight,
+			// alpha 0，隐藏
+			StrokeColor: hiddenColor,
+			StrokeWidth: axisStrokeWidth,
+		},
+	}
+}