Example usage for org.apache.poi.ss.usermodel ColorScaleFormatting setNumControlPoints

Introduction

In this page you can find the example usage for org.apache.poi.ss.usermodel ColorScaleFormatting setNumControlPoints.

Prototype

void setNumControlPoints(int num);

Source Link

Document

Sets the number of control points to use to map the colours.

Usage

From source file:packtest.ConditionalFormats.java

License:Apache License

/**
 * Color Scales / Colour Scales / Colour Gradients allow you shade the
 *  background colour of the cell based on the values, eg from Red to
 *  Yellow to Green./*www .j a  va2  s  .  c  o m*/
 */
static void colourScales(Sheet sheet) {
    sheet.createRow(0).createCell(0).setCellValue("Colour Scales");
    Row r = sheet.createRow(1);
    r.createCell(0).setCellValue("Red-Yellow-Green");
    for (int i = 1; i <= 7; i++) {
        r.createCell(i).setCellValue((i - 1) * 5);
    }
    r = sheet.createRow(2);
    r.createCell(0).setCellValue("Red-White-Blue");
    for (int i = 1; i <= 9; i++) {
        r.createCell(i).setCellValue((i - 1) * 5);
    }
    r = sheet.createRow(3);
    r.createCell(0).setCellValue("Blue-Green");
    for (int i = 1; i <= 16; i++) {
        r.createCell(i).setCellValue((i - 1));
    }
    sheet.setColumnWidth(0, 5000);

    SheetConditionalFormatting sheetCF = sheet.getSheetConditionalFormatting();

    CellRangeAddress[] regions = { CellRangeAddress.valueOf("B2:H2") };
    ConditionalFormattingRule rule1 = sheetCF.createConditionalFormattingColorScaleRule();
    ColorScaleFormatting cs1 = rule1.getColorScaleFormatting();
    cs1.getThresholds()[0].setRangeType(RangeType.MIN);
    cs1.getThresholds()[1].setRangeType(RangeType.PERCENTILE);
    cs1.getThresholds()[1].setValue(50d);
    cs1.getThresholds()[2].setRangeType(RangeType.MAX);
    ((ExtendedColor) cs1.getColors()[0]).setARGBHex("FFF8696B");
    ((ExtendedColor) cs1.getColors()[1]).setARGBHex("FFFFEB84");
    ((ExtendedColor) cs1.getColors()[2]).setARGBHex("FF63BE7B");
    sheetCF.addConditionalFormatting(regions, rule1);

    regions = new CellRangeAddress[] { CellRangeAddress.valueOf("B3:J3") };
    ConditionalFormattingRule rule2 = sheetCF.createConditionalFormattingColorScaleRule();
    ColorScaleFormatting cs2 = rule2.getColorScaleFormatting();
    cs2.getThresholds()[0].setRangeType(RangeType.MIN);
    cs2.getThresholds()[1].setRangeType(RangeType.PERCENTILE);
    cs2.getThresholds()[1].setValue(50d);
    cs2.getThresholds()[2].setRangeType(RangeType.MAX);
    ((ExtendedColor) cs2.getColors()[0]).setARGBHex("FFF8696B");
    ((ExtendedColor) cs2.getColors()[1]).setARGBHex("FFFCFCFF");
    ((ExtendedColor) cs2.getColors()[2]).setARGBHex("FF5A8AC6");
    sheetCF.addConditionalFormatting(regions, rule2);

    regions = new CellRangeAddress[] { CellRangeAddress.valueOf("B4:Q4") };
    ConditionalFormattingRule rule3 = sheetCF.createConditionalFormattingColorScaleRule();
    ColorScaleFormatting cs3 = rule3.getColorScaleFormatting();
    cs3.setNumControlPoints(2);
    cs3.getThresholds()[0].setRangeType(RangeType.MIN);
    cs3.getThresholds()[1].setRangeType(RangeType.MAX);
    ((ExtendedColor) cs3.getColors()[0]).setARGBHex("FF5A8AC6");
    ((ExtendedColor) cs3.getColors()[1]).setARGBHex("FF63BE7B");
    sheetCF.addConditionalFormatting(regions, rule3);
}

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