private PdfSpecialCs.Separation CreateCmykColorSpace(float c, float m, float y, float k)
{
float[] c0 = new float[] { 0, 0, 0, 0 };
float[] c1 = new float[] { c, m, y, k };
PdfFunction pdfFunction = new PdfFunction.Type2(new PdfArray(new float[] { 0, 1 }),
null, new PdfArray(c0), new PdfArray(c1), new PdfNumber(1));
PdfSpecialCs.Separation cs = new PdfSpecialCs.Separation("iTextSpotColorCMYK",
new DeviceCmyk(c, m, y, k).GetColorSpace(), pdfFunction);
return(cs);
}
public virtual void ColorTest07()
{
PdfWriter writer = new PdfWriter(destinationFolder + "colorTest07.pdf");
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
PdfPage page = document.AddNewPage();
PdfFunction.Type4 function = new PdfFunction.Type4(new PdfArray(new float[] { 0, 1 }), new PdfArray(new float
[] { 0, 1, 0, 1, 0, 1 }), "{0 0}".GetBytes(iText.IO.Util.EncodingUtil.ISO_8859_1));
PdfSpecialCs.Separation separation = new PdfSpecialCs.Separation("MyRed", new PdfDeviceCs.Rgb(), function);
PdfCanvas canvas = new PdfCanvas(page);
canvas.SetFillColor(new Separation(separation, 0.25f)).Rectangle(50, 500, 50, 50).Fill();
canvas.SetFillColor(new Separation(separation, 0.5f)).Rectangle(150, 500, 50, 50).Fill();
canvas.SetFillColor(new Separation(separation, 0.75f)).Rectangle(250, 500, 50, 50).Fill();
canvas.Release();
document.Close();
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(destinationFolder + "colorTest07.pdf", sourceFolder
+ "cmp_colorTest07.pdf", destinationFolder, "diff_"));
}
public virtual void ColourSpaceTest02()
{
PdfWriter writer = new PdfWriter(new ByteArrayOutputStream());
Stream @is = new FileStream(sourceFolder + "sRGB Color Space Profile.icm", FileMode.Open, FileAccess.Read);
PdfADocument doc = new PdfADocument(writer, PdfAConformanceLevel.PDF_A_2B, new PdfOutputIntent("Custom", ""
, "http://www.color.org", "sRGB IEC61966-2.1", @is));
PdfPage page = doc.AddNewPage();
PdfColorSpace alternateSpace = new PdfDeviceCs.Rgb();
//Tint transformation function is a dictionary
PdfArray domain = new PdfArray(new float[] { 0, 1 });
PdfArray range = new PdfArray(new float[] { 0, 1, 0, 1, 0, 1 });
PdfArray C0 = new PdfArray(new float[] { 0, 0, 0 });
PdfArray C1 = new PdfArray(new float[] { 1, 1, 1 });
PdfNumber n = new PdfNumber(1);
PdfFunction.Type2 type2 = new PdfFunction.Type2(domain, range, C0, C1, n);
PdfColorSpace separationColourSpace = new PdfSpecialCs.Separation("separationTestFunction2", alternateSpace
, type2);
//Add to document
page.GetResources().AddColorSpace(separationColourSpace);
doc.Close();
}
public virtual void ColourSpaceTest01()
{
PdfWriter writer = new PdfWriter(new ByteArrayOutputStream());
Stream @is = new FileStream(sourceFolder + "sRGB Color Space Profile.icm", FileMode.Open, FileAccess.Read);
PdfADocument doc = new PdfADocument(writer, PdfAConformanceLevel.PDF_A_2B, new PdfOutputIntent("Custom", ""
, "http://www.color.org", "sRGB IEC61966-2.1", @is));
PdfPage page = doc.AddNewPage();
PdfColorSpace alternateSpace = new PdfDeviceCs.Rgb();
//Tint transformation function is a stream
byte[] samples = new byte[] { 0x00, 0x00, 0x00, 0x01, 0x01, 0x01 };
PdfArray domain = new PdfArray(new float[] { 0, 1 });
PdfArray range = new PdfArray(new float[] { 0, 1, 0, 1, 0, 1 });
PdfArray size = new PdfArray(new float[] { 2 });
PdfNumber bitsPerSample = new PdfNumber(8);
PdfFunction.Type0 type0 = new PdfFunction.Type0(domain, range, size, bitsPerSample, samples);
PdfColorSpace separationColourSpace = new PdfSpecialCs.Separation("separationTestFunction0", alternateSpace
, type0);
//Add to document
page.GetResources().AddColorSpace(separationColourSpace);
doc.Close();
}
/// <summary>Makes a Color of certain color space and color value.</summary>
/// <remarks>
/// Makes a Color of certain color space and color value.
/// If color value is set in null, all value components will be initialised with zeroes.
/// </remarks>
/// <param name="colorSpace">the color space to which the returned Color object relates</param>
/// <param name="colorValue">the color value of the returned Color object</param>
/// <returns>the created Color object.</returns>
public static iText.Kernel.Colors.Color MakeColor(PdfColorSpace colorSpace, float[] colorValue)
{
iText.Kernel.Colors.Color c = null;
bool unknownColorSpace = false;
if (colorSpace is PdfDeviceCs)
{
if (colorSpace is PdfDeviceCs.Gray)
{
c = colorValue != null ? new DeviceGray(colorValue[0]) : new DeviceGray();
}
else
{
if (colorSpace is PdfDeviceCs.Rgb)
{
c = colorValue != null ? new DeviceRgb(colorValue[0], colorValue[1], colorValue[2]) : new DeviceRgb();
}
else
{
if (colorSpace is PdfDeviceCs.Cmyk)
{
c = colorValue != null ? new DeviceCmyk(colorValue[0], colorValue[1], colorValue[2], colorValue[3]) : new
DeviceCmyk();
}
else
{
unknownColorSpace = true;
}
}
}
}
else
{
if (colorSpace is PdfCieBasedCs)
{
if (colorSpace is PdfCieBasedCs.CalGray)
{
PdfCieBasedCs.CalGray calGray = (PdfCieBasedCs.CalGray)colorSpace;
c = colorValue != null ? new CalGray(calGray, colorValue[0]) : new CalGray(calGray);
}
else
{
if (colorSpace is PdfCieBasedCs.CalRgb)
{
PdfCieBasedCs.CalRgb calRgb = (PdfCieBasedCs.CalRgb)colorSpace;
c = colorValue != null ? new CalRgb(calRgb, colorValue) : new CalRgb(calRgb);
}
else
{
if (colorSpace is PdfCieBasedCs.IccBased)
{
PdfCieBasedCs.IccBased iccBased = (PdfCieBasedCs.IccBased)colorSpace;
c = colorValue != null ? new IccBased(iccBased, colorValue) : new IccBased(iccBased);
}
else
{
if (colorSpace is PdfCieBasedCs.Lab)
{
PdfCieBasedCs.Lab lab = (PdfCieBasedCs.Lab)colorSpace;
c = colorValue != null ? new Lab(lab, colorValue) : new Lab(lab);
}
else
{
unknownColorSpace = true;
}
}
}
}
}
else
{
if (colorSpace is PdfSpecialCs)
{
if (colorSpace is PdfSpecialCs.Separation)
{
PdfSpecialCs.Separation separation = (PdfSpecialCs.Separation)colorSpace;
c = colorValue != null ? new Separation(separation, colorValue[0]) : new Separation(separation);
}
else
{
if (colorSpace is PdfSpecialCs.DeviceN)
{
//NChannel goes here also
PdfSpecialCs.DeviceN deviceN = (PdfSpecialCs.DeviceN)colorSpace;
c = colorValue != null ? new DeviceN(deviceN, colorValue) : new DeviceN(deviceN);
}
else
{
if (colorSpace is PdfSpecialCs.Indexed)
{
c = colorValue != null ? new Indexed(colorSpace, (int)colorValue[0]) : new Indexed(colorSpace);
}
else
{
unknownColorSpace = true;
}
}
}
}
else
{
if (colorSpace is PdfSpecialCs.Pattern)
{
c = new iText.Kernel.Colors.Color(colorSpace, colorValue);
}
else
{
// TODO review this. at least log a warning
unknownColorSpace = true;
}
}
}
}
if (unknownColorSpace)
{
throw new PdfException("Unknown color space.");
}
return(c);
}
public Separation(PdfSpecialCs.Separation cs, float value)
: base(cs, new float[] { value })
{
}
public Separation(PdfSpecialCs.Separation cs)
: this(cs, 1f)
{
}
