refactor: reset

bar_chart.go

@@ -1,163 +0,0 @@
-// MIT License
-
-// Copyright (c) 2022 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/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2"
-)
-
-type barChartOption struct {
-	// The series list fo bar chart
-	SeriesList SeriesList
-	// The theme
-	Theme string
-	// The font
-	Font *truetype.Font
-}
-
-func barChartRender(opt barChartOption, result *basicRenderResult) ([]markPointRenderOption, error) {
-	d, err := NewDraw(DrawOption{
-		Parent: result.d,
-	}, PaddingOption(chart.Box{
-		Top: result.titleBox.Height(),
-		// TODO 后续考虑是否需要根据左侧是否展示y轴再生成对应的left
-		Left: YAxisWidth,
-	}))
-	if err != nil {
-		return nil, err
-	}
-	xRange := result.xRange
-	x0, x1 := xRange.GetRange(0)
-	width := int(x1 - x0)
-	// 每一块之间的margin
-	margin := 10
-	// 每一个bar之间的margin
-	barMargin := 5
-	if width < 20 {
-		margin = 2
-		barMargin = 2
-	} else if width < 50 {
-		margin = 5
-		barMargin = 3
-	}
-
-	seriesCount := len(opt.SeriesList)
-	// 总的宽度-两个margin-(总数-1)的barMargin
-	barWidth := (width - 2*margin - barMargin*(seriesCount-1)) / len(opt.SeriesList)
-
-	barMaxHeight := result.getYRange(0).Size
-	theme := NewTheme(opt.Theme)
-
-	seriesNames := opt.SeriesList.Names()
-
-	r := d.Render
-
-	markPointRenderOptions := make([]markPointRenderOption, 0)
-
-	for i, s := range opt.SeriesList {
-		// 由于series是for range，为同一个数据，因此需要clone
-		// 后续需要使用，如mark point
-		series := s
-		yRange := result.getYRange(series.YAxisIndex)
-		points := make([]Point, len(series.Data))
-		index := series.index
-		if index == 0 {
-			index = i
-		}
-		seriesColor := theme.GetSeriesColor(index)
-		// mark line
-		markLineRender(markLineRenderOption{
-			Draw:        d,
-			FillColor:   seriesColor,
-			FontColor:   theme.GetTextColor(),
-			StrokeColor: seriesColor,
-			Font:        opt.Font,
-			Series:      &series,
-			Range:       yRange,
-		})
-		divideValues := xRange.AutoDivide()
-		for j, item := range series.Data {
-			if j >= xRange.divideCount {
-				continue
-			}
-			x := divideValues[j]
-			x += margin
-			if i != 0 {
-				x += i * (barWidth + barMargin)
-			}
-
-			h := int(yRange.getHeight(item.Value))
-			fillColor := seriesColor
-			if !item.Style.FillColor.IsZero() {
-				fillColor = item.Style.FillColor
-			}
-			top := barMaxHeight - h
-			d.Bar(chart.Box{
-				Top:    top,
-				Left:   x,
-				Right:  x + barWidth,
-				Bottom: barMaxHeight - 1,
-			}, BarStyle{
-				FillColor: fillColor,
-			})
-			// 用于生成marker point
-			points[j] = Point{
-				// 居中的位置
-				X: x + barWidth>>1,
-				Y: top,
-			}
-			// 如果label不需要展示，则返回
-			if !series.Label.Show {
-				continue
-			}
-			distance := series.Label.Distance
-			if distance == 0 {
-				distance = 5
-			}
-			text := NewValueLabelFormater(seriesNames, series.Label.Formatter)(i, item.Value, -1)
-			labelStyle := chart.Style{
-				FontColor: theme.GetTextColor(),
-				FontSize:  labelFontSize,
-				Font:      opt.Font,
-			}
-			if !series.Label.Color.IsZero() {
-				labelStyle.FontColor = series.Label.Color
-			}
-			labelStyle.GetTextOptions().WriteToRenderer(r)
-			textBox := r.MeasureText(text)
-			d.text(text, x+(barWidth-textBox.Width())>>1, barMaxHeight-h-distance)
-		}
-
-		// 生成mark point的参数
-		markPointRenderOptions = append(markPointRenderOptions, markPointRenderOption{
-			Draw:      d,
-			FillColor: seriesColor,
-			Font:      opt.Font,
-			Points:    points,
-			Series:    &series,
-		})
-	}
-
-	return markPointRenderOptions, nil
-}