public virtual void RadialShadingGettersWithDomainExtendDefaultValuesTest()
{
float[] coordsArray = new float[] { 0f, 0f, 0f, 0.5f, 0.5f, 10f };
float[] defaultDomainArray = new float[] { 0f, 1f };
bool[] defaultExtendArray = new bool[] { false, false };
PdfDictionary radialShadingDictionary = InitShadingDictionary(coordsArray, null, null, PdfShading.ShadingType
.RADIAL);
PdfShading.Radial radial = new PdfShading.Radial(radialShadingDictionary);
NUnit.Framework.Assert.AreEqual(coordsArray, radial.GetCoords().ToFloatArray());
NUnit.Framework.Assert.AreEqual(defaultDomainArray, radial.GetDomain().ToFloatArray());
NUnit.Framework.Assert.AreEqual(defaultExtendArray, radial.GetExtend().ToBooleanArray());
NUnit.Framework.Assert.AreEqual(PdfShading.ShadingType.RADIAL, radial.GetShadingType());
}
public virtual void CreateSimpleRadialShadingTest()
{
String testName = "createSimpleRadialShadingTest";
String outName = destinationFolder + testName + ".pdf";
String cmpName = sourceFolder + "cmp_" + testName + ".pdf";
PdfDocument pdfDocument = new PdfDocument(new PdfWriter(outName));
PdfCanvas pdfCanvas = new PdfCanvas(pdfDocument.AddNewPage());
int x0 = 100;
int y0 = 500;
int r0 = 25;
int x1 = x0;
int y1 = y0;
int r1 = 50;
PdfShading.Radial radialShading = new PdfShading.Radial(new PdfDeviceCs.Gray(), x0, y0, r0, new float[] {
0.9f
}, x1, y1, r1, new float[] { 0.2f }, new bool[] { false, false });
pdfCanvas.PaintShading(radialShading);
pdfDocument.Close();
AssertShadingDictionaryResult(outName, cmpName, "Sh1");
}
public virtual void CreateRadialShadingWithStitchingFunctionTest()
{
String testName = "createRadialShadingWithStitchingFunctionTest";
String outName = destinationFolder + testName + ".pdf";
String cmpName = sourceFolder + "cmp_" + testName + ".pdf";
PdfDocument pdfDocument = new PdfDocument(new PdfWriter(outName));
PdfCanvas pdfCanvas = new PdfCanvas(pdfDocument.AddNewPage());
int x0 = 40;
int y0 = 500;
int r0 = 25;
int x1 = 380;
int y1 = 400;
int r1 = 50;
PdfArray shadingVector = new PdfArray(new int[] { x0, y0, r0, x1, y1, r1 });
PdfFunction.Type3 stitchingFunction = CreateStitchingCmykShadingFunction();
PdfShading.Radial radialShading = new PdfShading.Radial(new PdfDeviceCs.Cmyk(), shadingVector, stitchingFunction
);
pdfCanvas.PaintShading(radialShading);
pdfDocument.Close();
AssertShadingDictionaryResult(outName, cmpName, "Sh1");
}
public virtual void ModifyRadialShadingTest()
{
String testName = "modifyRadialAxialShadingTest";
String outName = destinationFolder + testName + ".pdf";
String cmpName = sourceFolder + "cmp_" + testName + ".pdf";
String input = sourceFolder + "radialShading.pdf";
PdfDocument pdfDocument = new PdfDocument(new PdfReader(input), new PdfWriter(outName), new StampingProperties
().UseAppendMode());
PdfResources resources = pdfDocument.GetPage(1).GetResources();
foreach (PdfName resName in resources.GetResourceNames())
{
PdfShading shading = resources.GetShading(resName);
if (shading != null && shading.GetShadingType() == PdfShading.ShadingType.RADIAL)
{
PdfShading.Radial radialShading = (PdfShading.Radial)shading;
// "cut" shading and extend colors
radialShading.SetDomain(0.1f, 0.8f);
radialShading.SetExtend(true, true);
}
}
pdfDocument.Close();
AssertShadingDictionaryResult(outName, cmpName, "Sh1");
}
public static PdfShading MakeShading(PdfDictionary shadingDictionary)
{
if (!shadingDictionary.ContainsKey(PdfName.ShadingType))
{
throw new PdfException(PdfException.UnexpectedShadingType);
}
PdfShading shading;
switch (shadingDictionary.GetAsNumber(PdfName.ShadingType).IntValue())
{
case PdfShading.ShadingType.FUNCTION_BASED: {
shading = new PdfShading.FunctionBased(shadingDictionary);
break;
}
case PdfShading.ShadingType.AXIAL: {
shading = new PdfShading.Axial(shadingDictionary);
break;
}
case PdfShading.ShadingType.RADIAL: {
shading = new PdfShading.Radial(shadingDictionary);
break;
}
case PdfShading.ShadingType.FREE_FORM_GOURAUD_SHADED_TRIANGLE_MESH: {
if (!shadingDictionary.IsStream())
{
throw new PdfException(PdfException.UnexpectedShadingType);
}
shading = new PdfShading.FreeFormGouraudShadedTriangleMesh((PdfStream)shadingDictionary);
break;
}
case PdfShading.ShadingType.LATTICE_FORM_GOURAUD_SHADED_TRIANGLE_MESH: {
if (!shadingDictionary.IsStream())
{
throw new PdfException(PdfException.UnexpectedShadingType);
}
shading = new PdfShading.LatticeFormGouraudShadedTriangleMesh((PdfStream)shadingDictionary);
break;
}
case PdfShading.ShadingType.COONS_PATCH_MESH: {
if (!shadingDictionary.IsStream())
{
throw new PdfException(PdfException.UnexpectedShadingType);
}
shading = new PdfShading.CoonsPatchMesh((PdfStream)shadingDictionary);
break;
}
case PdfShading.ShadingType.TENSOR_PRODUCT_PATCH_MESH: {
if (!shadingDictionary.IsStream())
{
throw new PdfException(PdfException.UnexpectedShadingType);
}
shading = new PdfShading.TensorProductPatchMesh((PdfStream)shadingDictionary);
break;
}
default: {
throw new PdfException(PdfException.UnexpectedShadingType);
}
}
return(shading);
}
