public void TestRGBColour()
{
XSSFWorkbook wb = XSSFTestDataSamples.OpenSampleWorkbook("50299.xlsx");
// Check the CTColor is as expected
XSSFColor rgb3 = (XSSFColor)((XSSFCellStyle)wb.GetCellStyleAt((short)25)).FillForegroundXSSFColor;
Assert.AreEqual(false, rgb3.GetCTColor().IsSetIndexed());
Assert.AreEqual(0, rgb3.GetCTColor().indexed);
Assert.AreEqual(true, rgb3.GetCTColor().IsSetTint());
Assert.AreEqual(-0.34999, rgb3.GetCTColor().tint, 0.00001);
Assert.AreEqual(true, rgb3.GetCTColor().IsSetRgb());
Assert.AreEqual(3, rgb3.GetCTColor().GetRgb().Length);
// Now check the XSSFColor
Assert.AreEqual(0, rgb3.Indexed);
Assert.AreEqual(-0.34999, rgb3.Tint, 0.00001);
Assert.IsFalse(rgb3.HasAlpha);
Assert.IsTrue(rgb3.HasTint);
Assert.AreEqual("FFFFFFFF", rgb3.ARGBHex);
Assert.AreEqual(3, rgb3.RGB.Length);
Assert.AreEqual(255, rgb3.RGB[0]);
Assert.AreEqual(255, rgb3.RGB[1]);
Assert.AreEqual(255, rgb3.RGB[2]);
Assert.AreEqual(4, rgb3.ARGB.Length);
Assert.AreEqual(255, rgb3.ARGB[0]);
Assert.AreEqual(255, rgb3.ARGB[1]);
Assert.AreEqual(255, rgb3.ARGB[2]);
Assert.AreEqual(255, rgb3.ARGB[3]);
// Tint doesn't have the alpha
// tint = -0.34999
// 255 * (1 + tint) = 165 truncated
// or (byte) -91 (which is 165 - 256)
Assert.AreEqual(3, rgb3.GetRgbWithTint().Length);
Assert.AreEqual(-91, (sbyte)rgb3.GetRgbWithTint()[0]);
Assert.AreEqual(-91, (sbyte)rgb3.GetRgbWithTint()[1]);
Assert.AreEqual(-91, (sbyte)rgb3.GetRgbWithTint()[2]);
// Set the colour to black, will Get translated internally
// (Excel stores 3 colour white and black wrong!)
// Set the color to black (no theme).
rgb3.SetRgb(new byte[] { 0, 0, 0 });
Assert.AreEqual("FF000000", rgb3.ARGBHex);
Assert.AreEqual(0, rgb3.GetCTColor().GetRgb()[0]);
Assert.AreEqual(0, rgb3.GetCTColor().GetRgb()[1]);
Assert.AreEqual(0, rgb3.GetCTColor().GetRgb()[2]);
// Set another, is fine
rgb3.SetRgb(new byte[] { 16, 17, 18 });
Assert.IsFalse(rgb3.HasAlpha);
Assert.AreEqual("FF101112", rgb3.ARGBHex);
Assert.AreEqual(0x10, rgb3.GetCTColor().GetRgb()[0]);
Assert.AreEqual(0x11, rgb3.GetCTColor().GetRgb()[1]);
Assert.AreEqual(0x12, rgb3.GetCTColor().GetRgb()[2]);
}
public void TestIndexedColour()
{
XSSFWorkbook wb = XSSFTestDataSamples.OpenSampleWorkbook("48779.xlsx");
// Check the CTColor is as expected
XSSFColor indexed = (XSSFColor)wb.GetCellStyleAt(1).FillBackgroundColorColor;
Assert.AreEqual(true, indexed.GetCTColor().IsSetIndexed());
Assert.AreEqual(64, indexed.GetCTColor().indexed);
Assert.AreEqual(false, indexed.GetCTColor().IsSetRgb());
Assert.AreEqual(null, indexed.GetCTColor().GetRgb());
// Now check the XSSFColor
// Note - 64 is a special "auto" one with no rgb equiv
Assert.AreEqual(64, indexed.Indexed);
Assert.AreEqual(null, indexed.RGB);
Assert.AreEqual(null, indexed.GetRgbWithTint());
Assert.AreEqual(null, indexed.ARGBHex);
Assert.IsFalse(indexed.HasAlpha);
Assert.IsFalse(indexed.HasTint);
// Now Move to one with indexed rgb values
indexed.Indexed = (59);
Assert.AreEqual(true, indexed.GetCTColor().IsSetIndexed());
Assert.AreEqual(59, indexed.GetCTColor().indexed);
Assert.AreEqual(false, indexed.GetCTColor().IsSetRgb());
Assert.AreEqual(null, indexed.GetCTColor().GetRgb());
Assert.AreEqual(59, indexed.Indexed);
Assert.AreEqual("FF333300", indexed.ARGBHex);
Assert.AreEqual(3, indexed.RGB.Length);
Assert.AreEqual(0x33, indexed.RGB[0]);
Assert.AreEqual(0x33, indexed.RGB[1]);
Assert.AreEqual(0x00, indexed.RGB[2]);
Assert.AreEqual(4, indexed.ARGB.Length);
Assert.AreEqual(255, indexed.ARGB[0]);
Assert.AreEqual(0x33, indexed.ARGB[1]);
Assert.AreEqual(0x33, indexed.ARGB[2]);
Assert.AreEqual(0x00, indexed.ARGB[3]);
// You don't Get tinted indexed colours, sorry...
Assert.AreEqual(null, indexed.GetRgbWithTint());
}
public void TestARGBColour()
{
XSSFWorkbook wb = XSSFTestDataSamples.OpenSampleWorkbook("48779.xlsx");
// Check the CTColor is as expected
XSSFColor rgb4 = (XSSFColor)wb.GetCellStyleAt(1).FillForegroundColorColor;
Assert.AreEqual(false, rgb4.GetCTColor().IsSetIndexed());
Assert.AreEqual(0, rgb4.GetCTColor().indexed);
Assert.AreEqual(true, rgb4.GetCTColor().IsSetRgb());
Assert.AreEqual(4, rgb4.GetCTColor().GetRgb().Length);
// Now check the XSSFColor
Assert.AreEqual(0, rgb4.Indexed);
Assert.AreEqual(0.0, rgb4.Tint);
Assert.IsFalse(rgb4.HasTint);
Assert.IsTrue(rgb4.HasAlpha);
Assert.AreEqual("FFFF0000", rgb4.ARGBHex);
Assert.AreEqual(3, rgb4.RGB.Length);
Assert.AreEqual(255, rgb4.RGB[0]);
Assert.AreEqual(0, rgb4.RGB[1]);
Assert.AreEqual(0, rgb4.RGB[2]);
Assert.AreEqual(4, rgb4.ARGB.Length);
Assert.AreEqual(255, rgb4.ARGB[0]);
Assert.AreEqual(255, rgb4.ARGB[1]);
Assert.AreEqual(0, rgb4.ARGB[2]);
Assert.AreEqual(0, rgb4.ARGB[3]);
// Tint doesn't have the alpha
Assert.AreEqual(3, rgb4.GetRgbWithTint().Length);
Assert.AreEqual(255, rgb4.GetRgbWithTint()[0]);
Assert.AreEqual(0, rgb4.GetRgbWithTint()[1]);
Assert.AreEqual(0, rgb4.GetRgbWithTint()[2]);
// Turn on tinting, and check it behaves
// TODO These values are suspected to be wrong...
rgb4.Tint = (0.4);
Assert.IsTrue(rgb4.HasTint);
Assert.AreEqual(0.4, rgb4.Tint);
Assert.AreEqual(3, rgb4.GetRgbWithTint().Length);
Assert.AreEqual(255, rgb4.GetRgbWithTint()[0]);
Assert.AreEqual(102, rgb4.GetRgbWithTint()[1]);
Assert.AreEqual(102, rgb4.GetRgbWithTint()[2]);
}
public void TestColorFromTheme()
{
XSSFWorkbook wb = XSSFTestDataSamples.OpenSampleWorkbook("styles.xlsx");
XSSFCell cellWithThemeColor = (XSSFCell)wb.GetSheetAt(0).GetRow(10).GetCell(0);
//color RGB will be extracted from theme
XSSFColor foregroundColor = (XSSFColor)((XSSFCellStyle)cellWithThemeColor.CellStyle).FillForegroundColorColor;
byte[] rgb = foregroundColor.GetRgb();
Assert.AreEqual(rgb[0], 238);
Assert.AreEqual(rgb[1], 236);
Assert.AreEqual(rgb[2], 225);
byte[] rgbWithTint = foregroundColor.GetRgbWithTint();
Assert.AreEqual(rgbWithTint[0], 244);
Assert.AreEqual(rgbWithTint[1], 243);
Assert.AreEqual(rgbWithTint[2], 236);
}
public void TestColorFromTheme()
{
XSSFWorkbook wb = XSSFTestDataSamples.OpenSampleWorkbook("styles.xlsx");
XSSFCell cellWithThemeColor = (XSSFCell)wb.GetSheetAt(0).GetRow(10).GetCell(0);
//color RGB will be extracted from theme
XSSFColor foregroundColor = (XSSFColor)((XSSFCellStyle)cellWithThemeColor.CellStyle).FillForegroundColorColor;
byte[] rgb = foregroundColor.GetRgb();
byte[] rgbWithTint = foregroundColor.GetRgbWithTint();
// Dk2
Assert.AreEqual(rgb[0], 31);
Assert.AreEqual(rgb[1], 73);
Assert.AreEqual(rgb[2], 125);
// Dk2, lighter 40% (tint is about 0.39998)
// 31 * (1.0 - 0.39998) + (255 - 255 * (1.0 - 0.39998)) = 120.59552 => 120 (byte)
// 73 * (1.0 - 0.39998) + (255 - 255 * (1.0 - 0.39998)) = 145.79636 => -111 (byte)
// 125 * (1.0 - 0.39998) + (255 - 255 * (1.0 - 0.39998)) = 176.99740 => -80 (byte)
Assert.AreEqual(rgbWithTint[0], 120);
Assert.AreEqual((sbyte)rgbWithTint[1], -111);
Assert.AreEqual((sbyte)rgbWithTint[2], -80);
}
