97 lines
3.8 KiB
C#
97 lines
3.8 KiB
C#
|
using Library14Petrushin.Classes;
|
|||
|
|
using PdfSharp.Drawing;
|
|||
|
|
using PdfSharp.Pdf;
|
|||
|
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.ComponentModel;
|
|||
|
|
using System.Diagnostics;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Text;
|
|||
|
|
using System.Threading.Tasks;
|
|||
|
|
|
|||
|
|
namespace Library14Petrushin
|
|||
|
|
{
|
|||
|
|
public partial class PdfCirclDiagr : Component
|
|||
|
|
{
|
|||
|
|
public void GeneratePdf(
|
|||
|
|
string fileName,
|
|||
|
|
string documentTitle,
|
|||
|
|
string chartTitle,
|
|||
|
|
LegendPosition legendPosition,
|
|||
|
|
List<ChartData> chartData)
|
|||
|
|
{
|
|||
|
|
// Проверка на заполненность входных данных
|
|||
|
|
if (string.IsNullOrEmpty(fileName) || string.IsNullOrEmpty(documentTitle) ||
|
|||
|
|
string.IsNullOrEmpty(chartTitle) || chartData == null || !chartData.Any())
|
|||
|
|
{
|
|||
|
|
throw new ArgumentException("Все входные данные должны быть заполнены.");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Создание документа
|
|||
|
|
PdfDocument document = new PdfDocument();
|
|||
|
|
PdfPage page = document.AddPage();
|
|||
|
|
XGraphics gfx = XGraphics.FromPdfPage(page);
|
|||
|
|
XFont font = new XFont("Verdana", 10);
|
|||
|
|
|
|||
|
|
// Отрисовка заголовка документа
|
|||
|
|
gfx.DrawString(documentTitle, new XFont("Verdana", 16, XFontStyleEx.Bold), XBrushes.Black, new XRect(0, 0, page.Width, 50), XStringFormats.Center);
|
|||
|
|
|
|||
|
|
// Отрисовка заголовка диаграммы
|
|||
|
|
gfx.DrawString(chartTitle, font, XBrushes.Black, new XRect(50, 50, page.Width - 100, 30), XStringFormats.Center);
|
|||
|
|
|
|||
|
|
// Отрисовка круговой диаграммы
|
|||
|
|
DrawPieChart(gfx, new XRect(50, 100, 300, 300), chartData, legendPosition);
|
|||
|
|
|
|||
|
|
// Сохранение документа
|
|||
|
|
document.Save(fileName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void DrawPieChart(XGraphics gfx, XRect rect, List<ChartData> chartData, LegendPosition legendPosition)
|
|||
|
|
{
|
|||
|
|
double total = chartData.Sum(d => d.Value);
|
|||
|
|
double startAngle = 0;
|
|||
|
|
int legendX = 0;
|
|||
|
|
int legendY = 0;
|
|||
|
|
|
|||
|
|
// Определение расположения легенды
|
|||
|
|
switch (legendPosition)
|
|||
|
|
{
|
|||
|
|
case LegendPosition.Top:
|
|||
|
|
legendX = (int)rect.X + (int)rect.Width / 2;
|
|||
|
|
legendY = (int)rect.Y - 50;
|
|||
|
|
break;
|
|||
|
|
case LegendPosition.Bottom:
|
|||
|
|
legendX = (int)rect.X + (int)rect.Width / 2;
|
|||
|
|
legendY = (int)rect.Y + (int)rect.Height + 20;
|
|||
|
|
break;
|
|||
|
|
case LegendPosition.Left:
|
|||
|
|
legendX = (int)rect.X - 100;
|
|||
|
|
legendY = (int)rect.Y + (int)rect.Height / 2;
|
|||
|
|
break;
|
|||
|
|
case LegendPosition.Right:
|
|||
|
|
legendX = (int)rect.X + (int)rect.Width + 20;
|
|||
|
|
legendY = (int)rect.Y + (int)rect.Height / 2;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Отрисовка секторов диаграммы
|
|||
|
|
foreach (var data in chartData)
|
|||
|
|
{
|
|||
|
|
double sweepAngle = 360 * (data.Value / total);
|
|||
|
|
gfx.DrawPie(GetRandomBrush(), rect, startAngle, sweepAngle);
|
|||
|
|
startAngle += sweepAngle;
|
|||
|
|
|
|||
|
|
// Отрисовка легенды
|
|||
|
|
gfx.DrawString(data.SeriesName, new XFont("Verdana", 8), XBrushes.Black, new XPoint(legendX, legendY));
|
|||
|
|
legendY += 20;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private XBrush GetRandomBrush()
|
|||
|
|
{
|
|||
|
|
Random random = new Random();
|
|||
|
|
return new XSolidBrush(XColor.FromArgb(random.Next(256), random.Next(256), random.Next(256)));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|