/******************************************************************************
?*?SunnyUI?開源控件庫、工具類庫、擴展類庫、多頁面開發框架。
?*?CopyRight?（C）?2012-2021?ShenYongHua（沈永華）.
?*?QQ群：56829229?QQ：17612584?EMail：SunnyUI@QQ.Com
?*
?*?Blog:???https://www.cnblogs.com/yhuse
?*?Gitee:??https://gitee.com/yhuse/SunnyUI
?*?GitHub:?https://github.com/yhuse/SunnyUI
?*
?*?SunnyUI.dll?can?be?used?for?free?under?the?GPL-3.0?license.
?*?If?you?use?this?code?please?keep?this?note.
?*?如果您使用此代碼，請保留此說明。
?******************************************************************************
?*?文件名稱:?UIBarChart.cs
?*?文件說明:?柱狀圖
?*?當前版本:?V3.0
?*?創建日期:?2020-06-06
?*
?*?2020-06-06:?V2.2.5?增加文件說明
?*?2020-08-21:?V2.2.7?可設置柱狀圖最小寬度
?*?2021-07-22:?V3.0.5?增加更新數據的方法
******************************************************************************/

using?System;
using?System.Collections.Concurrent;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Drawing;
using?System.Drawing.Drawing2D;
using?System.Linq;
using?System.Windows.Forms;

namespace?Sunny.UI
{
????[ToolboxItem（true）]
????public?class?UIBarChart?:?UIChart
????{
????????protected?bool?NeedDraw;

????????protected?override?void?OnSizeChanged（EventArgs?e）
????????{
????????????base.OnSizeChanged（e）;
????????????CalcData（）;
????????}

????????public?override?void?Refresh（）
????????{
????????????base.Refresh（）;
????????????if?（Option?!=?null）
????????????{
????????????????SetOption（Option）;
????????????}

????????????CalcData（）;
????????}

????????public?void?Update（string?seriesName?int?index?double?value）
????????{
????????????var?series?=?Option[seriesName];
????????????if?（series?!=?null）
????????????{
????????????????series.Update（index?value）;
????????????}
????????}

????????///?

????????///?計算刻度
????????///?起始值必須小于結束值
????????///?

????????///?起始值
????????///?結束值
????????///?期望刻度數量，實際數接近此數
????????///?刻度起始值，須乘以間隔使用
????????///?刻度結束值，須乘以間隔使用
????????///?刻度間隔
????????public?void?CalcDegreeScale（double?start?double?end?int?expect_num
????????????out?int?degree_start?out?int?degree_end?out?double?degree_gap?out?int?decimalCount）
????????{
????????????if?（start?>=?end）
????????????{
????????????????throw?new?Exception（“起始值必須小于結束值“）;
????????????}

????????????double?differ?=?end?-?start;
????????????double?differ_gap?=?differ?/?（expect_num?-?1）;?//35?4.6?0.27

????????????double?exponent?=?Math.Log10（differ_gap）?-?1;?//0.54?-0.34?-1.57
????????????int?_exponent?=?（int）exponent;?//0?0=>-1?-1=>-2
????????????if?（exponent??1e-8）
????????????{
????????????????_exponent--;
????????????}

????????????int?step?=?（int）（differ_gap?/?Math.Pow（10?_exponent））;?//35?46?27
????????????int[]?fix_steps?=?new?int[]?{?10?20?25?50?100?};
????????????int?fix_step?=?10;?//25?50?25
??????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2021-12-07?07:59??SunnyUI-master\
?????文件?????????225??2021-12-07?07:59??SunnyUI-master\.editorconfig
?????文件????????2518??2021-12-07?07:59??SunnyUI-master\.gitattributes
?????文件????????5868??2021-12-07?07:59??SunnyUI-master\.gitignore
?????目錄???????????0??2021-12-07?07:59??SunnyUI-master\Bin\
?????目錄???????????0??2021-12-07?07:59??SunnyUI-master\Bin\net40\
?????文件??????202752??2021-12-07?07:59??SunnyUI-master\Bin\net40\SunnyUI.Common.dll
?????文件??????632320??2021-12-07?07:59??SunnyUI-master\Bin\net40\SunnyUI.Demo.exe
?????文件?????2281472??2021-12-07?07:59??SunnyUI-master\Bin\net40\SunnyUI.dll
?????文件???????35141??2021-12-07?07:59??SunnyUI-master\LICENSE
?????文件????????4510??2021-12-07?07:59??SunnyUI-master\README.md
?????目錄???????????0??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\
?????目錄???????????0??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\
?????文件????????8084??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FBarChart.Designer.cs
?????文件????????4165??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FBarChart.cs
?????文件????????5698??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FBarChart.resx
?????文件????????7957??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FBarChartEx.Designer.cs
?????文件????????5189??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FBarChartEx.cs
?????文件????????5698??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FBarChartEx.resx
?????文件????????8187??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FDoughnutChart.Designer.cs
?????文件????????3364??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FDoughnutChart.cs
?????文件????????5698??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FDoughnutChart.resx
?????文件???????10303??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FLineChart.Designer.cs
?????文件????????6470??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FLineChart.cs
?????文件????????6059??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FLineChart.resx
?????文件????????8179??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FPieChart.Designer.cs
?????文件????????3172??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FPieChart.cs
?????文件????????5698??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Charts\FPieChart.resx
?????目錄???????????0??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Controls\
?????文件???????13432??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Controls\FAvatar.Designer.cs
?????文件?????????328??2021-12-07?07:59??SunnyUI-master\SunnyUI.Demo\Controls\FAvatar.cs
............此處省略730個文件信息