RedNegativesTable.cs
// 完毕:
using System;
using System.IO;
using System.Drawing;
using System.Numerics;
using System.Collections.Generic;
using GrapeCity.Documents.Pdf;
using GrapeCity.Documents.Drawing;
using GrapeCity.Documents.Text;
using GrapeCity.Documents.Imaging;
using GrapeCity.Documents.Layout;
using GCTEXT = GrapeCity.Documents.Text;
using GCDRAW = GrapeCity.Documents.Drawing;
namespace DsPdfWeb.Demos
{
// This example shows how to draw a simple table containing
// some numeric data, with negative values displayed in red,
// and with differently shaded odd and even rows,
// using the GrapeCity.Documents.Drawing.TableRenderer and related classes.
public class RedNegativesTable
{
public int CreatePDF(Stream stream)
{
var doc = new GcPdfDocument();
var p = doc.NewPage();
p.Size = new SizeF(p.Size.Height, p.Size.Width);
var g = p.Graphics;
DrawTable(g, g.CanvasSize.Width, g.CanvasSize.Height);
// 保存 PDF:
doc.Save(stream);
return doc.Pages.Count;
}
class ItemLine
{
public ItemLine(string text, double sales, double marginNumber, double marginPercent, int totalCustomers)
{
Text = text;
Sales = sales;
MarginNumber = marginNumber;
MarginPercent = marginPercent;
TotalCustomers = totalCustomers;
}
public string Text { get; }
public double Sales { get; }
public double MarginNumber { get; }
public double MarginPercent { get; }
public int TotalCustomers { get; }
}
static void DrawTable(GcGraphics g, float pageWidth, float pageHeight)
{
var items = new ItemLine[]
{
new ItemLine("Washers & Dryers", 1580, 196.82, 12.46, 247),
new ItemLine("Projectors & Screens", 973, 211.26, 21.72, 382),
new ItemLine("Refrigerators", 953, -350.57, -36.77, 331),
new ItemLine("Laptops", 668, 181.17, 27.11, 301),
new ItemLine("Coffee Machines", 476, -11.15, -2.34, 251),
new ItemLine("Lamps", 471, 340.31, 72.28, 548),
new ItemLine("Water Heaters", 443, 94.59, 21.34, 152),
new ItemLine("Monitors", 424, -0.77, -0.18, 327),
new ItemLine("Microwaves", 319, 14.30, 4.48, 375),
new ItemLine("Desktops", 266, 23.22, 8.72, 184),
new ItemLine("Air Conditioners", 253, 137.82, 54.54, 216),
new ItemLine("Printers & Scanners", 219, 0.59, 0.27, 379),
new ItemLine("Computers Accessories", 128, -18.23, -14.27, 654),
new ItemLine("Fans", 83, -38.64, -46.35, 287)
};
var host = new LayoutHost();
var view = host.CreateView(pageWidth, pageHeight);
var rt = view.CreateRect();
rt.AnchorTopLeft(null, 72, 72);
var ta = new TableRenderer(g,
rt, FixedTableSides.TopLeft,
rowCount: items.Length + 1,
columnCount: 5,
gridLineColor: Color.Transparent,
gridLineWidth: 0);
var columns = ta.ColumnRects;
columns[0].SetWidth(200);
columns[1].SetWidth(120);
columns[2].SetWidth(120);
columns[3].SetWidth(120);
columns[4].SetWidth(120);
var fmt = new TextFormat
{
Font = GCTEXT.Font.FromFile(Path.Combine("Resources", "Fonts", "consola.ttf")),
ForeColor = Color.FromArgb(38, 38, 38),
FontSize = 14,
FontSizeInGraphicUnits = true,
};
var fmtSmall = new TextFormat(fmt)
{
FontSize = 11
};
var csCaption = new CellStyle
{
TextAlignment = TextAlignment.Trailing,
ParagraphAlignment = ParagraphAlignment.Center,
TextFormat = fmt,
PaddingBottom = 10,
PaddingRight = 4
};
ta.AddCell(new CellStyle(csCaption)
{
CustomDraw = (g, tc) =>
{
float y = tc.Height * 0.5f;
float x = 10;
var pen = new GCDRAW.Pen(Color.DimGray, 1);
g.DrawLine(new PointF(x, y - 7), new PointF(x, y + 7), pen);
g.DrawLine(new PointF(x - 3, y + 3), new PointF(x, y + 7), pen);
g.DrawLine(new PointF(x + 3, y + 3), new PointF(x, y + 7), pen);
},
CreateTextLayout = (g, cs, data) =>
{
var tl = g.CreateTextLayout();
tl.AppendLine("Sales", fmt);
tl.Append("in Thousands", fmtSmall);
return tl;
}
}, 0, 1, null);
ta.AddCell(new CellStyle(csCaption)
{
CreateTextLayout = (g, cs, data) =>
{
var tl = g.CreateTextLayout();
tl.AppendLine("Margin", fmt);
tl.Append("in Thousands", fmtSmall);
return tl;
}
}, 0, 2, null);
ta.AddCell(csCaption, 0, 3, "Margin %");
ta.AddCell(csCaption, 0, 4, "Total\nCustomers");
var csName = new CellStyle
{
TextFormat = fmt,
PaddingTopBottom = 5,
PaddingLeft = 4
};
var csNum = new CellStyle
{
TextFormat = fmt,
TextAlignment = TextAlignment.Trailing,
PaddingTopBottom = 5,
PaddingRight = 4
};
var csNumNegative = new CellStyle(csNum)
{
TextFormat = new TextFormat(fmt)
{
ForeColor = Color.Red
}
};
var csBand = new CellStyle
{
FillColor = Color.FromArgb(244, 241, 250),
Background = true
};
var ci = new System.Globalization.CultureInfo("en-US");
for (int i = 0; i < items.Length; i++)
{
var item = items[i];
int rowIndex = i + 1;
if ((i & 1) != 0)
{
ta.AddCell(csBand, rowIndex, 0, 1, 5);
}
ta.AddCell(csName, rowIndex, 0, item.Text);
ta.AddCell(csNum, rowIndex, 1, item.Sales.ToString("c0", ci));
var v = item.MarginNumber;
ta.AddCell(v >= 0.0 ? csNum : csNumNegative, rowIndex, 2, v.ToString("n2"));
v = item.MarginPercent;
ta.AddCell(v >= 0.0 ? csNum : csNumNegative, rowIndex, 3, v.ToString("n2"));
ta.AddCell(csNum, rowIndex, 4, item.TotalCustomers.ToString("n0"));
}
ta.SetVerticalGridLineWidth(1, 2);
ta.SetHorizontalGridLineWidth(1, 2);
var pen = new GCDRAW.Pen(Color.FromArgb(159, 146, 213), 2)
{
DashStyle = DashStyle.Solid,
LineCap = PenLineCap.Round
};
ta.AddCell(new CellStyle
{
Background = true,
Borders = FrameBorders.LeftBorder | FrameBorders.TopBorder,
Pen = pen,
LinePaddingLeft = -2,
LinePaddingTop = -2,
}, 1, 1, items.Length, 4);
ta.Render();
}
}
}