testhssfclientanchor.java

介绍java核心技术的pio编程方法以及基本概念

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package org.apache.poi.hssf.usermodel;

import junit.framework.TestCase;
import org.apache.poi.ddf.EscherClientAnchorRecord;
import org.apache.poi.hssf.model.ConvertAnchor;

/**
 * Various tests for HSSFClientAnchor.
 *
 * @author Glen Stampoultzis (glens at apache.org)
 * @author Yegor Kozlov (yegor at apache.org)
 */
public class TestHSSFClientAnchor extends TestCase
{
    public void testGetAnchorHeightInPoints() throws Exception
    {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sheet = wb.createSheet("test");
        HSSFClientAnchor a = new HSSFClientAnchor(0,0,1023,255,(short)0,0,(short)0,0);
        float p = a.getAnchorHeightInPoints(sheet);
        assertEquals(11.953,p,0.001);

        sheet.createRow(0).setHeightInPoints(14);
        a = new HSSFClientAnchor(0,0,1023,255,(short)0,0,(short)0,0);
        p = a.getAnchorHeightInPoints(sheet);
        assertEquals(13.945,p,0.001);

        a = new HSSFClientAnchor(0,0,1023,127,(short)0,0,(short)0,0);
        p = a.getAnchorHeightInPoints(sheet);
        assertEquals(6.945,p,0.001);

        a = new HSSFClientAnchor(0,126,1023,127,(short)0,0,(short)0,0);
        p = a.getAnchorHeightInPoints(sheet);
        assertEquals(0.054,p,0.001);

        a = new HSSFClientAnchor(0,0,1023,0,(short)0,0,(short)0,1);
        p = a.getAnchorHeightInPoints(sheet);
        assertEquals(14.0,p,0.001);

        sheet.createRow(0).setHeightInPoints(12);
        a = new HSSFClientAnchor(0,127,1023,127,(short)0,0,(short)0,1);
        p = a.getAnchorHeightInPoints(sheet);
        assertEquals(12.0,p,0.001);

    }

    /**
     * When HSSFClientAnchor is converted into EscherClientAnchorRecord
     * check that dx1, dx2, dy1 and dy2 are writtem "as is".
     * (Bug 42999 reported that dx1 ans dx2 are swapped if dx1>dx2. It doesn't make sense for client anchors.)
     */
    public void testConvertAnchor() throws Exception
    {
        HSSFClientAnchor[] anchor = {
            new HSSFClientAnchor( 0 , 0 , 0 , 0 ,(short)0, 1,(short)1,3),
            new HSSFClientAnchor( 100 , 0 , 900 , 255 ,(short)0, 1,(short)1,3),
            new HSSFClientAnchor( 900 , 0 , 100 , 255 ,(short)0, 1,(short)1,3)
        };
        for (int i = 0; i < anchor.length; i++) {
            EscherClientAnchorRecord record = (EscherClientAnchorRecord)ConvertAnchor.createAnchor(anchor[i]);
            assertEquals(anchor[i].getDx1(), record.getDx1());
            assertEquals(anchor[i].getDx2(), record.getDx2());
            assertEquals(anchor[i].getDy1(), record.getDy1());
            assertEquals(anchor[i].getDy2(), record.getDy2());
            assertEquals(anchor[i].getCol1(), record.getCol1());
            assertEquals(anchor[i].getCol2(), record.getCol2());
            assertEquals(anchor[i].getRow1(), record.getRow1());
            assertEquals(anchor[i].getRow2(), record.getRow2());
        }
    }

    public void testAnchorHeightInPoints(){
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sheet = wb.createSheet();

        HSSFClientAnchor[] anchor = {
            new HSSFClientAnchor( 0 , 0,    0 , 0 ,(short)0, 1,(short)1, 3),
            new HSSFClientAnchor( 0 , 254 , 0 , 126 ,(short)0, 1,(short)1, 3),
            new HSSFClientAnchor( 0 , 128 , 0 , 128 ,(short)0, 1,(short)1, 3),
            new HSSFClientAnchor( 0 , 0 , 0 , 128 ,(short)0, 1,(short)1, 3),
        };
        float[] ref = {24.0f, 18.0f, 24.0f, 30.0f};
        for (int i = 0; i < anchor.length; i++) {
            float height = anchor[i].getAnchorHeightInPoints(sheet);
            assertEquals(ref[i], height, 0);
        }

    }

}