NPOI 1.2.3教程 -22 画图Drawing

using System;
using System.Text;
using System.IO;
using NPOI.HSSF.UserModel;
using NPOI.HPSF;
using NPOI.POIFS.FileSystem;
using NPOI.SS.UserModel;

namespace DrawingInXls
{
class Program
{
static void Main(string[] args)
{
InitializeWorkbook();

Sheet sheet1 = hssfworkbook.CreateSheet("new sheet");
Sheet sheet2 = hssfworkbook.CreateSheet("second sheet");
Sheet sheet3 = hssfworkbook.CreateSheet("third sheet");
Sheet sheet4 = hssfworkbook.CreateSheet("fourth sheet");

// Draw stuff in them
DrawSheet1(sheet1);
DrawSheet2(sheet2);
DrawSheet3(sheet3);
DrawSheet4(sheet4, hssfworkbook);

WriteToFile();
}

private static void DrawSheet1(Sheet sheet1)
{
// Create a row and size one of the cells reasonably large.
Row row = sheet1.CreateRow(2);
row.Height = ((short)2800);
row.CreateCell(1);
sheet1.SetColumnWidth(2, 9000);

// Create the Drawing patriarch.  This is the top level container for
// all shapes.
HSSFPatriarch patriarch = (HSSFPatriarch)sheet1.CreateDrawingPatriarch();

// Draw some lines and an oval.
DrawLinesToCenter(patriarch);
DrawManyLines(patriarch);
DrawOval(patriarch);
DrawPolygon(patriarch);

// Draw a rectangle.
HSSFSimpleShape rect = patriarch.CreateSimpleShape(new HSSFClientAnchor(100, 100, 900, 200, (short)0, 0, (short)0, 0));
rect.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_RECTANGLE);
}

private static void DrawSheet2(Sheet sheet2)
{
// Create a row and size one of the cells reasonably large.
Row row = sheet2.CreateRow(2);
row.CreateCell(1);
row.HeightInPoints = 240;
sheet2.SetColumnWidth(2, 9000);

// Create the Drawing patriarch.  This is the top level container for
// all shapes. This will clear out any existing shapes for that sheet.
HSSFPatriarch patriarch = (HSSFPatriarch)sheet2.CreateDrawingPatriarch();

// Draw a grid in one of the cells.
DrawGrid(patriarch);
}

private static void DrawSheet3(Sheet sheet3)
{
// Create a row and size one of the cells reasonably large
Row row = sheet3.CreateRow(2);
row.HeightInPoints = 140;
row.CreateCell(1);
sheet3.SetColumnWidth(2, 9000);

// Create the Drawing patriarch.  This is the top level container for
// all shapes. This will clear out any existing shapes for that sheet.
HSSFPatriarch patriarch = (HSSFPatriarch)sheet3.CreateDrawingPatriarch();

// Create a shape group.
HSSFShapeGroup group = patriarch.CreateGroup(
new HSSFClientAnchor(0, 0, 900, 200, (short)2, 2, (short)2, 2));

// Create a couple of lines in the group.
HSSFSimpleShape shape1 = group.CreateShape(new HSSFChildAnchor(3, 3, 500, 500));
shape1.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_LINE);
((HSSFChildAnchor)shape1.Anchor).SetAnchor((short)3, 3, 500, 500);
HSSFSimpleShape shape2 = group.CreateShape(new HSSFChildAnchor((short)1, 200, 400, 600));
shape2.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_LINE);

}

private static void DrawSheet4(Sheet sheet4, HSSFWorkbook wb)
{
// Create the Drawing patriarch.  This is the top level container for
// all shapes. This will clear out any existing shapes for that sheet.
HSSFPatriarch patriarch = (HSSFPatriarch)sheet4.CreateDrawingPatriarch();

// Create a couple of textboxes
Textbox textbox1 = patriarch.CreateTextbox(
new HSSFClientAnchor(0, 0, 0, 0, (short)1, 1, (short)2, 2));
textbox1.String = (new HSSFRichTextString("This is a test"));
Textbox textbox2 = patriarch.CreateTextbox(
new HSSFClientAnchor(0, 0, 900, 100, (short)3, 3, (short)3, 4));
textbox2.String = (new HSSFRichTextString("Woo"));
textbox2.SetFillColor(200, 0, 0);
textbox2.LineStyle = (HSSFSimpleShape.LINESTYLE_DOTGEL);

// Create third one with some fancy font styling.
Textbox textbox3 = patriarch.CreateTextbox(
new HSSFClientAnchor(0, 0, 900, 100, (short)4, 4, (short)5, 4 + 1));
Font font = wb.CreateFont();
font.IsItalic = true;
font.Underline = (byte)FontUnderlineType.DOUBLE;
HSSFRichTextString str = new HSSFRichTextString("Woo!!!");
str.ApplyFont(2, 5, font);
textbox3.String = (str);
textbox3.FillColor = (0x08000030);
textbox3.LineStyle = (HSSFSimpleShape.LINESTYLE_NONE);  // no line around the textbox.
textbox3.IsNoFill = (true);    // make it transparent
}

private static void DrawOval(HSSFPatriarch patriarch)
{
// Create an oval and style to taste.
HSSFClientAnchor a = new HSSFClientAnchor();
a.SetAnchor((short)2, 2, 20, 20, (short)2, 2, 190, 80);
HSSFSimpleShape s = patriarch.CreateSimpleShape(a);
s.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_OVAL);
s.SetLineStyleColor(10, 10, 10);
s.SetFillColor(90, 10, 200);
s.LineWidth = (HSSFShape.LINEWIDTH_ONE_PT * 3);
s.LineStyle = (HSSFShape.LINESTYLE_DOTSYS);
}

private static void DrawPolygon(HSSFPatriarch patriarch)
{
HSSFClientAnchor a = new HSSFClientAnchor();
a.SetAnchor((short)2, 2, 0, 0, (short)3, 3, 1023, 255);
HSSFShapeGroup g = patriarch.CreateGroup(a);
g.SetCoordinates(0, 0, 200, 200);
HSSFPolygon p1 = g.CreatePolygon(new HSSFChildAnchor(0, 0, 200, 200));
p1.SetPolygonDrawArea(100, 100);
p1.SetPoints(new int[] { 0, 90, 50 }, new int[] { 5, 5, 44 });
p1.SetFillColor(0, 255, 0);
HSSFPolygon p2 = g.CreatePolygon(new HSSFChildAnchor(20, 20, 200, 200));
p2.SetPolygonDrawArea(200, 200);
p2.SetPoints(new int[] { 120, 20, 150 }, new int[] { 105, 30, 195 });
p2.SetFillColor(255, 0, 0);
}

private static void DrawManyLines(HSSFPatriarch patriarch)
{
// Draw bunch of lines
int x1 = 100;
int y1 = 100;
int x2 = 800;
int y2 = 200;
int color = 0;
for (int i = 0; i < 10; i++)
{
HSSFClientAnchor a2 = new HSSFClientAnchor();
a2.SetAnchor((short)2, 2, x1, y1, (short)2, 2, x2, y2);
HSSFSimpleShape shape2 = patriarch.CreateSimpleShape(a2);
shape2.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_LINE);
shape2.SetLineStyleColor(color);
y1 -= 10;
y2 -= 10;
color += 30;
}
}

private static void DrawGrid(HSSFPatriarch patriarch)
{
// This Draws a grid of lines.  Since the coordinates space fixed at
// 1024 by 256 we use a ratio to get a reasonably square grids.

double xRatio = 3.22;
double yRatio = 0.6711;

int x1 = 000;
int y1 = 000;
int x2 = 000;
int y2 = 200;
for (int i = 0; i < 20; i++)
{
HSSFClientAnchor a2 = new HSSFClientAnchor();
a2.SetAnchor((short)2, 2, (int)(x1 * xRatio), (int)(y1 * yRatio),
(short)2, 2, (int)(x2 * xRatio), (int)(y2 * yRatio));
HSSFSimpleShape shape2 = patriarch.CreateSimpleShape(a2);
shape2.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_LINE);

x1 += 10;
x2 += 10;
}

x1 = 000;
y1 = 000;
x2 = 200;
y2 = 000;
for (int i = 0; i < 20; i++)
{
HSSFClientAnchor a2 = new HSSFClientAnchor();
a2.SetAnchor((short)2, 2, (int)(x1 * xRatio), (int)(y1 * yRatio),
(short)2, 2, (int)(x2 * xRatio), (int)(y2 * yRatio));
HSSFSimpleShape shape2 = patriarch.CreateSimpleShape(a2);
shape2.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_LINE);

y1 += 10;
y2 += 10;
}
}

private static void DrawLinesToCenter(HSSFPatriarch patriarch)
{
// Draw some lines from and to the corners
{
HSSFClientAnchor a1 = new HSSFClientAnchor();
a1.SetAnchor((short)2, 2, 0, 0, (short)2, 2, 512, 128);
HSSFSimpleShape shape1 = patriarch.CreateSimpleShape(a1);
shape1.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_LINE);
}
{
HSSFClientAnchor a1 = new HSSFClientAnchor();
a1.SetAnchor((short)2, 2, 512, 128, (short)2, 2, 1023, 0);
HSSFSimpleShape shape1 = patriarch.CreateSimpleShape(a1);
shape1.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_LINE);
}
{
HSSFClientAnchor a1 = new HSSFClientAnchor();
a1.SetAnchor((short)1, 1, 0, 0, (short)1, 1, 512, 100);
HSSFSimpleShape shape1 = patriarch.CreateSimpleShape(a1);
shape1.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_LINE);
}
{
HSSFClientAnchor a1 = new HSSFClientAnchor();
a1.SetAnchor((short)1, 1, 512, 100, (short)1, 1, 1023, 0);
HSSFSimpleShape shape1 = patriarch.CreateSimpleShape(a1);
shape1.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_LINE);
}

}

static HSSFWorkbook hssfworkbook;

static void WriteToFile()
{
//Write the stream data of workbook to the root directory
FileStream file = new FileStream(@"test.xls", FileMode.Create);
hssfworkbook.Write(file);
file.Close();
}

static void InitializeWorkbook()
{
hssfworkbook = new HSSFWorkbook();

//Create a entry of DocumentSummaryInformation
DocumentSummaryInformation dsi = PropertySetFactory.CreateDocumentSummaryInformation();
dsi.Company = "NPOI Team";
hssfworkbook.DocumentSummaryInformation = dsi;

//Create a entry of SummaryInformation
SummaryInformation si = PropertySetFactory.CreateSummaryInformation();
si.Subject = "NPOI SDK Example";
hssfworkbook.SummaryInformation = si;
}
}
}