Java Code Examples for org.apache.poi.hssf.usermodel.HSSFPalette#getColor()

The following examples show how to use org.apache.poi.hssf.usermodel.HSSFPalette#getColor() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: JavaToExcel.java    From hy.common.report with Apache License 2.0 6 votes vote down vote up 
/**
 * 创建颜色。
 * 
 * 写本方法的原因是：从2003版本的模板中复制单元格颜色时，会出现颜色失真的问题。
 * 
 * 但最终也没有解决。因为：当单元格的颜色设置为非标准颜色时，就会失真，但设置为标准颜色时，是正常的。
 * 
 * 也因为此，本方法与 i_ToCellStyle.setFillBackgroundColor(i_FromCellStyle.getFillBackgroundColor()); 的效果是相同的。
 * 
 * 本方法作为研究使用而保留下来，但不没有使用价值。
 * 
 * @author      ZhengWei(HY)
 * @createDate  2017-03-21
 * @version     v1.0
 *
 * @param i_FromColor
 * @param i_DataWorkbook
 * @return
 */
@Deprecated
public final static HSSFColor createColor(HSSFColor i_FromColor ,HSSFWorkbook i_DataWorkbook)
{
    short [] v_RGBHex    = i_FromColor.getTriplet();
    byte     v_ByteRed   = (byte)v_RGBHex[0];
    byte     v_ByteGreen = (byte)v_RGBHex[1];
    byte     v_ByteBlue  = (byte)v_RGBHex[2];
    
    HSSFPalette v_Palette   = i_DataWorkbook.getCustomPalette();
    HSSFColor   v_DataColor = v_Palette.findColor(v_ByteRed ,v_ByteGreen ,v_ByteBlue);
    
    if ( v_DataColor == null )
    {
        v_Palette.setColorAtIndex(i_FromColor.getIndex() ,v_ByteRed ,v_ByteGreen ,v_ByteBlue);
        
        return v_Palette.getColor(i_FromColor.getIndex());
    }
    
    return  v_DataColor;
}
Example 2
Source File: DynamicExcelColorProducer.java    From pentaho-reporting with GNU Lesser General Public License v2.1 6 votes vote down vote up 
public short getNearestColor( final Color awtColor ) {
  if ( lastUsedColor > 64 ) {
    // we ran out of palette... try to get nearest color then
    return StaticExcelColorSupport.getNearestColor( awtColor, usedTripplets );
  }

  final HSSFPalette palette = workbook.getCustomPalette();
  final HSSFColor hssfColor =
      palette.findColor( (byte) awtColor.getRed(), (byte) awtColor.getGreen(), (byte) awtColor.getBlue() );

  if ( hssfColor != null && hssfColor.getIndex() < lastUsedColor ) {
    return hssfColor.getIndex();
  } else {
    palette.setColorAtIndex( lastUsedColor, (byte) awtColor.getRed(), (byte) awtColor.getGreen(), (byte) awtColor
        .getBlue() );
    final HSSFColor color = palette.getColor( lastUsedColor );
    usedTripplets.put( color.getHexString(), color );
    return lastUsedColor++;
  }
}
Example 3
Source File: CellStyleContext.java    From ureport with Apache License 2.0 5 votes vote down vote up 
private HSSFColor buildHSSFColor(HSSFWorkbook wb,String colorStr){
	String[] color=colorStr.split(",");
	HSSFPalette palette=wb.getCustomPalette();
	byte r=BigInteger.valueOf(Integer.valueOf(color[0])).byteValue();
	byte g=BigInteger.valueOf(Integer.valueOf(color[1])).byteValue();
	byte b=BigInteger.valueOf(Integer.valueOf(color[2])).byteValue();
	HSSFColor targetColor=palette.findColor(r,g,b);
	if(targetColor==null){
		palette.setColorAtIndex(HSSFColorPredefined.LAVENDER.getIndex(), r, g,b);
		targetColor=palette.getColor(HSSFColorPredefined.LAVENDER.getIndex());
	}
	return targetColor;
}
Example 4
Source File: OfficeConverter.java    From BBSSDK-for-Android with Apache License 2.0 4 votes vote down vote up 
private void xlsToHtml() throws Throwable {
	FileOutputStream output = new FileOutputStream(new File(htmlPath));
	StringBuffer htmlHeaderSB = new StringBuffer();
	htmlHeaderSB.append("<html xmlns:o='urn:schemas-microsoft-com:office:office' xmlns:x='urn:schemas-microsoft-com:office:excel' "
			+ "xmlns='http://www.w3.org/TR/REC-html40'>");
	htmlHeaderSB.append("<head><meta http-equiv=Content-Type content='text/html; charset=utf-8'><meta name=ProgId content=Excel.Sheet>"
			+ "</head><body>");
	output.write(htmlHeaderSB.toString().getBytes());
	HSSFSheet sheet;
	HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream(filePath)); // 获整个Excel
	for (int sheetIndex = 0; sheetIndex < workbook.getNumberOfSheets(); sheetIndex++) {
		if (workbook.getSheetAt(sheetIndex) != null) {
			sheet = workbook.getSheetAt(sheetIndex);// 获得不为空的这个sheet
			if (sheet != null) {
				int firstRowNum = sheet.getFirstRowNum(); // 第一行
				int lastRowNum = sheet.getLastRowNum(); // 最后一行
				// 构造Table
				output.write(("<table width=\"100%\" style=\"border:1px solid #000;border-width:1px 0 0 1px;margin:2px 0 2px 0;"
						+ "border-collapse:collapse;\">").getBytes());
				for (int rowNum = firstRowNum; rowNum <= lastRowNum; rowNum++) {
					if (sheet.getRow(rowNum) != null) {// 如果行不为空，
						HSSFRow row = sheet.getRow(rowNum);
						short firstCellNum = row.getFirstCellNum(); // 该行的第一个单元格
						short lastCellNum = row.getLastCellNum(); // 该行的最后一个单元格
						int height = (int) (row.getHeight() / 15.625); // 行的高度
						output.write(("<tr height=\"" + height + "\" style=\"border:1px solid #000;border-width:0 1px 1px 0;"
								+ "margin:2px 0 2px 0;\">").getBytes());
						for (short cellNum = firstCellNum; cellNum <= lastCellNum; cellNum++) { // 循环该行的每一个单元格
							HSSFCell cell = row.getCell(cellNum);
							if (cell != null) {
								if (cell.getCellType() != HSSFCell.CELL_TYPE_BLANK) {
									StringBuffer tdStyle = new StringBuffer("<td style=\"border:1px solid #000; border-width:0 1px 1px 0;"
											+ "margin:2px 0 2px 0; ");
									HSSFCellStyle cellStyle = cell.getCellStyle();
									HSSFPalette palette = workbook.getCustomPalette(); // 类HSSFPalette用于求颜色的国际标准形式
									HSSFColor hColor = palette.getColor(cellStyle.getFillForegroundColor());
									HSSFColor hColor2 = palette.getColor(cellStyle.getFont(workbook).getColor());
									String bgColor = convertToStardColor(hColor);// 背景颜色
									short boldWeight = cellStyle.getFont(workbook).getBoldweight(); // 字体粗细
									short fontHeight = (short) (cellStyle.getFont(workbook).getFontHeight() / 2); // 字体大小
									String fontColor = convertToStardColor(hColor2); // 字体颜色
									if (bgColor != null && !"".equals(bgColor.trim())) {
										tdStyle.append(" background-color:");
										tdStyle.append(bgColor);
										tdStyle.append("; ");
									}
									if (fontColor != null && !"".equals(fontColor.trim())) {
										tdStyle.append(" color:");
										tdStyle.append(fontColor);
										tdStyle.append("; ");
									}
									tdStyle.append(" font-weight:");
									tdStyle.append(boldWeight);
									tdStyle.append("; ");
									tdStyle.append(" font-size: ");
									tdStyle.append(fontHeight);
									tdStyle.append("%;");
									output.write((tdStyle + "\"").getBytes());

									int width = (int) (sheet.getColumnWidth(cellNum) / 35.7); //
									int cellRegionCol = getMergerCellRegionCol(sheet, rowNum, cellNum); // 合并的列（solspan）
									int cellRegionRow = getMergerCellRegionRow(sheet, rowNum, cellNum);// 合并的行（rowspan）
									String align = convertAlignToHtml(cellStyle.getAlignment()); //
									String vAlign = convertVerticalAlignToHtml(cellStyle.getVerticalAlignment());

									output.write((" align=\"" + align + "\" valign=\"" + vAlign + "\" width=\"" + width + "\" ").getBytes());
									output.write((" colspan=\"" + cellRegionCol + "\" rowspan=\"" + cellRegionRow + "\"").getBytes());
									output.write((">" + getCellValue(cell) + "</td>").getBytes());
								}
							}
						}
						output.write("</tr>".getBytes());
					}
				}
				output.write(("</table>").getBytes());
			}
		}
	}
	output.write(("</body></html>").getBytes());
	output.close();
}
Example 5
Source File: DynamicExcelColorProducer.java    From pentaho-reporting with GNU Lesser General Public License v2.1 4 votes vote down vote up 
public HSSFColor getColor( final short index ) {
  final HSSFPalette palette = workbook.getCustomPalette();
  return palette.getColor( index );
}