feat: support line chart draw function

range.go

@@ -1,93 +0,0 @@
-// 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 (
-	"math"
-
-	"github.com/wcharczuk/go-chart/v2"
-)
-
-type Range struct {
-	TickPosition chart.TickPosition
-	chart.ContinuousRange
-}
-
-func wrapRange(r chart.Range, tickPosition chart.TickPosition) chart.Range {
-	xr, ok := r.(*chart.ContinuousRange)
-	if !ok {
-		return r
-	}
-	return &Range{
-		TickPosition:    tickPosition,
-		ContinuousRange: *xr,
-	}
-}
-
-// Translate maps a given value into the ContinuousRange space.
-func (r Range) Translate(value float64) int {
-	v := r.ContinuousRange.Translate(value)
-	if r.TickPosition == chart.TickPositionBetweenTicks {
-		v -= int(float64(r.Domain) / (r.GetDelta() * 2))
-	}
-	return v
-}
-
-type HiddenRange struct {
-	chart.ContinuousRange
-}
-
-func (r HiddenRange) GetDelta() float64 {
-	return 0
-}
-
-// Y轴使用的continuous range
-// min 与max只允许设置一次
-// 如果是计算得出的max，增加20%的值并取整
-type YContinuousRange struct {
-	chart.ContinuousRange
-}
-
-func (m YContinuousRange) IsZero() bool {
-	// 默认返回true，允许修改
-	return true
-}
-
-func (m *YContinuousRange) SetMin(min float64) {
-	// 如果已修改，则忽略
-	if m.Min != -math.MaxFloat64 {
-		return
-	}
-	m.Min = min
-}
-
-func (m *YContinuousRange) SetMax(max float64) {
-	// 如果已修改，则忽略
-	if m.Max != math.MaxFloat64 {
-		return
-	}
-	// 此处为计算得来的最大值，放大20%
-	v := int(max * 1.2)
-	// TODO 是否要取整十整百
-	m.Max = float64(v)
-}