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   this work for additional information regarding copyright ownership.
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   (the "License"); you may not use this file except in compliance with
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package org.apache.poi.examples.hssf.usermodel;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.commons.io.IOUtils;
import org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream;
import org.apache.poi.hssf.usermodel.HSSFChildAnchor;
import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFPatriarch;
import org.apache.poi.hssf.usermodel.HSSFPicture;
import org.apache.poi.hssf.usermodel.HSSFPolygon;
import org.apache.poi.hssf.usermodel.HSSFRichTextString;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFShape;
import org.apache.poi.hssf.usermodel.HSSFShapeGroup;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFSimpleShape;
import org.apache.poi.hssf.usermodel.HSSFTextbox;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.ClientAnchor.AnchorType;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.Workbook;

/**
 * Demonstrates how to use the office drawing capabilities of POI.
 */
public final class OfficeDrawing {
    private OfficeDrawing() {}

    public static void main(String[] args) throws IOException {
        // Create the workbook and sheets.
        try (HSSFWorkbook wb = new HSSFWorkbook()) {
            HSSFSheet sheet1 = wb.createSheet("new sheet");
            HSSFSheet sheet2 = wb.createSheet("second sheet");
            HSSFSheet sheet3 = wb.createSheet("third sheet");
            HSSFSheet sheet4 = wb.createSheet("fourth sheet");
            HSSFSheet sheet5 = wb.createSheet("fifth sheet");

            // Draw stuff in them
            drawSheet1(sheet1);
            drawSheet2(sheet2);
            drawSheet3(sheet3);
            drawSheet4(sheet4, wb);
            drawSheet5(sheet5, wb);

            // Write the file out.
            try (FileOutputStream fileOut = new FileOutputStream("workbook.xls")) {
                wb.write(fileOut);
            }
        }
    }

    private static void drawSheet1( HSSFSheet sheet1 )
    {
        // Create a row and size one of the cells reasonably large.
        HSSFRow row = sheet1.createRow(2);
        row.setHeight((short) 2800);
        row.createCell(1);
        sheet1.setColumnWidth(2, 9000);

        // Create the drawing patriarch.  This is the top level container for
        // all shapes.
        HSSFPatriarch patriarch = 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.setShapeType(HSSFSimpleShape.OBJECT_TYPE_RECTANGLE);
    }

    private static void drawSheet2( HSSFSheet sheet2 )
    {
        // Create a row and size one of the cells reasonably large.
        HSSFRow row = sheet2.createRow(2);
        row.createCell(1);
        row.setHeightInPoints(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 = sheet2.createDrawingPatriarch();

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

    private static void drawSheet3( HSSFSheet sheet3 )
    {
        // Create a row and size one of the cells reasonably large
        HSSFRow row = sheet3.createRow(2);
        row.setHeightInPoints(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 = 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.setShapeType(HSSFSimpleShape.OBJECT_TYPE_LINE);
        ( (HSSFChildAnchor) shape1.getAnchor() ).setAnchor((short)3,3,500,500);
        HSSFSimpleShape shape2 = group.createShape(new HSSFChildAnchor((short)1,200,400,600));
        shape2.setShapeType(HSSFSimpleShape.OBJECT_TYPE_LINE);

    }

    private static void drawSheet4( HSSFSheet 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 = sheet4.createDrawingPatriarch();

        // Create a couple of textboxes
        HSSFTextbox textbox1 = patriarch.createTextbox(
                new HSSFClientAnchor(0,0,0,0,(short)1,1,(short)2,2));
        textbox1.setString(new HSSFRichTextString("This is a test") );
        HSSFTextbox textbox2 = patriarch.createTextbox(
                new HSSFClientAnchor(0,0,900,100,(short)3,3,(short)3,4));
        textbox2.setString(new HSSFRichTextString("Woo") );
        textbox2.setFillColor(200,0,0);
        textbox2.setLineStyle(HSSFShape.LINESTYLE_DOTGEL);

        // Create third one with some fancy font styling.
        HSSFTextbox textbox3 = patriarch.createTextbox(
                new HSSFClientAnchor(0,0,900,100,(short)4,4,(short)5,4+1));
        HSSFFont font = wb.createFont();
        font.setItalic(true);
        font.setUnderline(Font.U_DOUBLE);
        HSSFRichTextString string = new HSSFRichTextString("Woo!!!");
        string.applyFont(2,5,font);
        textbox3.setString(string );
        textbox3.setFillColor(0x08000030);
        textbox3.setLineStyle(HSSFShape.LINESTYLE_NONE);  // no line around the textbox.
        textbox3.setNoFill(true);    // make it transparent
    }

    private static void drawSheet5( HSSFSheet sheet5, HSSFWorkbook wb ) throws IOException
    {

        // 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 = sheet5.createDrawingPatriarch();

        HSSFClientAnchor anchor;
        anchor = new HSSFClientAnchor(0,0,0,255,(short)2,2,(short)4,7);
        anchor.setAnchorType( AnchorType.MOVE_DONT_RESIZE );
        patriarch.createPicture(anchor, loadPicture( "src/resources/logos/logoKarmokar4.png", wb ));

        anchor = new HSSFClientAnchor(0,0,0,255,(short)4,2,(short)5,7);
        anchor.setAnchorType( AnchorType.MOVE_DONT_RESIZE );
        patriarch.createPicture(anchor, loadPicture( "src/resources/logos/logoKarmokar4edited.png", wb ));

        anchor = new HSSFClientAnchor(0,0,1023,255,(short)6,2,(short)8,7);
        anchor.setAnchorType( AnchorType.MOVE_DONT_RESIZE );
        HSSFPicture picture = patriarch.createPicture(anchor, loadPicture( "src/resources/logos/logoKarmokar4s.png", wb ));
        //Reset the image to the original size.
        picture.resize();
        picture.setLineStyle( HSSFShape.LINESTYLE_DASHDOTGEL );

    }

    private static int loadPicture( String path, HSSFWorkbook wb ) throws IOException {
        int pictureIndex;
        try (FileInputStream fis = new FileInputStream(path);
             UnsynchronizedByteArrayOutputStream bos = new UnsynchronizedByteArrayOutputStream()) {
            IOUtils.copy(fis, bos);
            pictureIndex = wb.addPicture(bos.toByteArray(), Workbook.PICTURE_TYPE_PNG);
        }
        return pictureIndex;
    }

    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.setShapeType(HSSFSimpleShape.OBJECT_TYPE_OVAL);
        s.setLineStyleColor(10,10,10);
        s.setFillColor(90,10,200);
        s.setLineWidth(HSSFShape.LINEWIDTH_ONE_PT * 3);
        s.setLineStyle(HSSFShape.LINESTYLE_DOTSYS);
    }

    private static void drawPolygon( HSSFPatriarch patriarch )
    {
        //        HSSFClientAnchor a = new HSSFClientAnchor( 0, 0, 1023, 255, (short) 2, 2, (short) 3, 3 );
        //        HSSFPolygon p = patriarch.createPolygon(a);
        //        p.setPolygonDrawArea(100,100);
        //        p.setPoints( new int[]{30, 90, 50}, new int[]{88, 5, 44} );


        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.setShapeType(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 = 0;
        int y1 = 0;
        int x2 = 0;
        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.setShapeType(HSSFSimpleShape.OBJECT_TYPE_LINE);

            x1 += 10;
            x2 += 10;
        }

        x1 = 0;
        y1 = 0;
        x2 = 200;
        y2 = 0;
        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.setShapeType(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.setShapeType(HSSFSimpleShape.OBJECT_TYPE_LINE);
        }
        {
            HSSFClientAnchor a1 = new HSSFClientAnchor();
            a1.setAnchor( (short)2, 2, 512, 128, (short) 2, 2, 1024, 0);
            HSSFSimpleShape shape1 = patriarch.createSimpleShape(a1);
            shape1.setShapeType(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.setShapeType(HSSFSimpleShape.OBJECT_TYPE_LINE);
        }
        {
            HSSFClientAnchor a1 = new HSSFClientAnchor();
            a1.setAnchor( (short)1, 1, 512, 100, (short) 1, 1, 1024, 0);
            HSSFSimpleShape shape1 = patriarch.createSimpleShape(a1);
            shape1.setShapeType(HSSFSimpleShape.OBJECT_TYPE_LINE);
        }

    }
}




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