protected void ManipulatePdf(string dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
Document doc = new Document(pdfDoc);
PdfCanvas canvas = new PdfCanvas(pdfDoc.AddNewPage());
PdfFont font = PdfFontFactory.CreateFont(StandardFonts.HELVETICA);
string fillText = "this is the fill text! ";
float fillTextWidth = font.GetWidth(fillText, 6);
PdfPattern.Tiling tilingPattern = new PdfPattern.Tiling(fillTextWidth, 60, fillTextWidth, 60);
PdfPatternCanvas patternCanvas = new PdfPatternCanvas(tilingPattern, pdfDoc);
patternCanvas.BeginText().SetFontAndSize(font, 6f);
float x = 0;
for (float y = 0; y < 60; y += 10)
{
patternCanvas.SetTextMatrix(x - fillTextWidth, y);
patternCanvas.ShowText(fillText);
patternCanvas.SetTextMatrix(x, y);
patternCanvas.ShowText(fillText);
x += (fillTextWidth / 6);
}
patternCanvas.EndText();
canvas.Rectangle(10, 10, 575, 822);
canvas.SetFillColor(new PatternColor(tilingPattern));
canvas.Fill();
doc.Close();
}
public PatternColor(PdfPattern.Tiling uncoloredPattern, PdfSpecialCs.UncoloredTilingPattern uncoloredTilingCS
, float[] colorValue)
: base(uncoloredTilingCS, colorValue)
{
this.pattern = uncoloredPattern;
this.underlyingColor = MakeColor(uncoloredTilingCS.GetUnderlyingColorSpace(), colorValue);
}
public virtual void PatternColorColoredSetTwiceTest()
{
String name = "patternColorColoredSetTwiceTest.pdf";
PdfWriter writer = new PdfWriter(destinationFolder + name);
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
PdfPage page = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page);
PdfPattern.Tiling square = new PdfPattern.Tiling(15, 15);
new PdfPatternCanvas(square, document).SetFillColor(new DeviceRgb(0xFF, 0xFF, 0x00)).SetStrokeColor(new DeviceRgb
(0xFF, 0x00, 0x00)).Rectangle(5, 5, 5, 5).FillStroke().Release();
PdfPattern.Tiling ellipse = new PdfPattern.Tiling(15, 10, 20, 25);
new PdfPatternCanvas(ellipse, document).SetFillColor(new DeviceRgb(0xFF, 0xFF, 0x00)).SetStrokeColor(new DeviceRgb
(0xFF, 0x00, 0x00)).Ellipse(2, 2, 13, 8).FillStroke().Release();
canvas.SetFillColor(new PatternColor(square));
canvas.Rectangle(36, 696, 126, 126).Fill();
canvas.SetFillColor(new PatternColor(square));
canvas.Rectangle(180, 696, 126, 126).Fill();
canvas.SetFillColor(new PatternColor(ellipse));
canvas.Rectangle(360, 696, 126, 126).Fill();
byte[] pageContentStreamBytes = canvas.GetContentStream().GetBytes();
canvas.Release();
document.Close();
String contentStreamString = iText.IO.Util.JavaUtil.GetStringForBytes(pageContentStreamBytes, System.Text.Encoding
.ASCII);
int p1Count = CountSubstringOccurrences(contentStreamString, "/P1 scn");
int p2Count = CountSubstringOccurrences(contentStreamString, "/P2 scn");
NUnit.Framework.Assert.AreEqual(1, p1Count);
NUnit.Framework.Assert.AreEqual(1, p2Count);
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(destinationFolder + name, sourceFolder +
"cmp_" + name, destinationFolder));
}
private void ManipulatePdf(String dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
Document doc = new Document(pdfDoc);
ImageData img = ImageDataFactory.Create(IMG);
Image image = new Image(img);
PdfPattern.Tiling imgPattern = new PdfPattern.Tiling(image.GetImageScaledWidth(),
image.GetImageScaledHeight());
PdfPatternCanvas canvas = new PdfPatternCanvas(imgPattern, pdfDoc);
canvas.AddImageAt(img, 0, 0, false);
Color color = new PatternColor(imgPattern);
Table table = new Table(UnitValue.CreatePercentArray(2)).UseAllAvailableWidth();
table.AddCell(new Cell().Add(new Paragraph("Behold a cell with an image pattern:")));
Cell cell = new Cell();
cell.SetHeight(60);
cell.SetBackgroundColor(color);
table.AddCell(cell);
doc.Add(table);
doc.Close();
}
public PatternColor(PdfPattern.Tiling uncoloredPattern, PdfColorSpace underlyingCS, float[] colorValue)
: base(new PdfSpecialCs.UncoloredTilingPattern(underlyingCS), colorValue)
{
if (underlyingCS is PdfSpecialCs.Pattern)
{
throw new ArgumentException("underlyingCS");
}
this.pattern = uncoloredPattern;
this.underlyingColor = MakeColor(underlyingCS, colorValue);
}
public virtual void PatternColorUncoloredPatternCsUnitTest()
{
NUnit.Framework.Assert.That(() => {
PdfDocument doc = new PdfDocument(new PdfWriter(new MemoryStream()));
PdfPattern.Tiling circle = new PdfPattern.Tiling(15, 15, 10, 20, false);
new PdfPatternCanvas(circle, doc).Circle(7.5f, 7.5f, 2.5f).Fill().Release();
new PatternColor(circle, new PdfSpecialCs.Pattern(), new float[0]);
}
, NUnit.Framework.Throws.InstanceOf <ArgumentException>())
;
}
private void CheckInTilingPattern(PdfObject @object)
{
String newContentString = PdfACheckerTestUtils.GetStreamWithValue(@object);
byte[] newContent = newContentString.GetBytes(System.Text.Encoding.UTF8);
PdfPattern pattern = new PdfPattern.Tiling(200, 200);
((PdfStream)pattern.GetPdfObject()).SetData(newContent);
Color color = new PatternColor(pattern);
pdfA1Checker.CheckColor(color, new PdfDictionary(), true, null);
}
public virtual void PatternColorUncoloredSetTwiceTest()
{
String name = "patternColorUncoloredSetTwiceTest.pdf";
PdfWriter writer = new PdfWriter(destinationFolder + name);
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
PdfPage page = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page);
PdfPattern.Tiling circle = new PdfPattern.Tiling(15, 15, 10, 20, false);
new PdfPatternCanvas(circle, document).Circle(7.5f, 7.5f, 2.5f).Fill().Release();
PdfPattern.Tiling line = new PdfPattern.Tiling(5, 10, false);
new PdfPatternCanvas(line, document).SetLineWidth(1).MoveTo(3, -1).LineTo(3, 11).Stroke().Release();
PatternColor patternColorCircle = new PatternColor(circle, ColorConstants.RED);
float[] cyan = new float[] { 1, 0, 0, 0 };
float[] magenta = new float[] { 0, 1, 0, 0 };
PdfSpecialCs.UncoloredTilingPattern uncoloredTilingCmykCs = new PdfSpecialCs.UncoloredTilingPattern(new PdfDeviceCs.Cmyk
());
PatternColor patternColorLine = new PatternColor(line, uncoloredTilingCmykCs, magenta);
canvas.SetFillColor(patternColorCircle);
canvas.Rectangle(36, 696, 126, 126).Fill();
canvas.SetFillColor(patternColorCircle);
canvas.Rectangle(180, 696, 126, 126).Fill();
canvas.SetFillColor(patternColorLine);
canvas.Rectangle(36, 576, 126, 126).Fill();
patternColorLine.SetColorValue(cyan);
canvas.SetFillColor(patternColorLine);
canvas.Rectangle(180, 576, 126, 126).Fill();
// this case will be removed when deprecated method is removed
patternColorLine.SetPattern(circle);
canvas.SetFillColor(patternColorLine);
canvas.Rectangle(360, 696, 126, 126).Fill();
byte[] pageContentStreamBytes = canvas.GetContentStream().GetBytes();
canvas.Release();
document.Close();
String contentStreamString = iText.IO.Util.JavaUtil.GetStringForBytes(pageContentStreamBytes, System.Text.Encoding
.ASCII);
int p1Count = CountSubstringOccurrences(contentStreamString, "/P1 scn");
int p2Count = CountSubstringOccurrences(contentStreamString, "/P2 scn");
NUnit.Framework.Assert.AreEqual(3, p1Count);
NUnit.Framework.Assert.AreEqual(2, p2Count);
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(destinationFolder + name, sourceFolder +
"cmp_" + name, destinationFolder));
}
private static Color?GetColor(PdfPattern.Tiling tiling, float alpha)
{
switch (tiling.GetTilingType())
{
case PdfPattern.Tiling.TilingType.CONSTANT_SPACING:
case PdfPattern.Tiling.TilingType.CONSTANT_SPACING_AND_FASTER_TILING:
case PdfPattern.Tiling.TilingType.NO_DISTORTION:
break;
}
var box = tiling.GetBBox();
var xStep = tiling.GetXStep();
var yStep = tiling.GetYStep();
var colored = tiling.IsColored();
return(null);
}
public virtual void CheckPatternWithoutTransparentFormResource()
{
using (MemoryStream bos = new MemoryStream()) {
using (PdfWriter writer = new PdfWriter(bos)) {
using (PdfDocument document = new PdfDocument(writer)) {
PdfFormXObject formXObject = new PdfFormXObject(new Rectangle(0f, 0f));
PdfPattern.Tiling tillingPattern = new PdfPattern.Tiling(0f, 0f);
tillingPattern.GetResources().AddForm(formXObject);
PdfPage pageToCheck = document.AddNewPage();
PdfResources pageResources = pageToCheck.GetResources();
pageResources.AddPattern(new PdfPattern.Shading(new PdfDictionary()));
pageResources.AddPattern(tillingPattern);
EnsureTransparencyObjectsNotEmpty();
// no assertions as we want to check that no exceptions would be thrown
pdfA2Checker.CheckSinglePage(pageToCheck);
}
}
}
}
public virtual void PatternColorUncoloredLineGrayTest()
{
String name = "patternColorUncoloredLineGrayTest.pdf";
PdfWriter writer = new PdfWriter(destinationFolder + name);
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
PdfPage page = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page);
PdfPattern.Tiling line = new PdfPattern.Tiling(5, 10, false);
new PdfPatternCanvas(line, document).SetLineWidth(1).MoveTo(3, -1).LineTo(3, 11).Stroke().Release();
canvas.SetFillColor(new PatternColor(line, new DeviceGray()));
canvas.Rectangle(30, 300, 400, 400).Fill();
canvas.Release();
document.Close();
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(destinationFolder + name, sourceFolder +
"cmp_" + name, destinationFolder));
}
public override void Draw(DrawContext drawContext)
{
PdfPattern.Tiling imgPattern = new PdfPattern.Tiling(img.GetWidth(), img.GetHeight(),
img.GetWidth(), img.GetHeight());
PdfPatternCanvas patternCanvas = new PdfPatternCanvas(imgPattern, drawContext.GetDocument());
patternCanvas.AddImageAt(img, 0, 0, false);
PdfCanvas canvas = drawContext.GetCanvas();
canvas.SaveState();
ColorRectangle(canvas, new PatternColor(imgPattern), GetOccupiedAreaBBox().GetX(),
GetOccupiedAreaBBox().GetY(), GetOccupiedAreaBBox().GetWidth(), GetOccupiedAreaBBox().GetHeight());
canvas.SetFillColor(new PatternColor(imgPattern));
canvas.Stroke();
canvas.RestoreState();
}
public virtual void MakePatternColorTest()
{
PdfWriter writer = new PdfWriter(DESTINATION_FOLDER + "makePatternColorTest.pdf");
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
PdfPage page = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page);
PdfSpecialCs.Pattern pattern = new PdfSpecialCs.UncoloredTilingPattern(new PdfDeviceCs.Rgb());
Color greenPattern = Color.MakeColor(pattern, new float[] { 0, 1, 0 });
PdfPattern.Tiling circle = new PdfPattern.Tiling(10, 10, 12, 12, false);
new PdfPatternCanvas(circle, document).Circle(5f, 5f, 5f).Fill().Release();
canvas.SetColor(greenPattern.GetColorSpace(), greenPattern.GetColorValue(), circle, true).Rectangle(50, 600
, 50, 50).Fill();
canvas.Release();
document.Close();
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(DESTINATION_FOLDER + "makePatternColorTest.pdf"
, SOURCE_FOLDER + "cmp_makePatternColorTest.pdf", DESTINATION_FOLDER, "diff_"));
}
public virtual void CheckPatternWithTransparentFormResource()
{
using (MemoryStream bos = new MemoryStream()) {
using (PdfWriter writer = new PdfWriter(bos)) {
using (PdfDocument document = new PdfDocument(writer)) {
PdfFormXObject formXObject = new PdfFormXObject(new Rectangle(0f, 0f));
formXObject.SetGroup(new PdfTransparencyGroup());
PdfPattern.Tiling tillingPattern = new PdfPattern.Tiling(0f, 0f);
tillingPattern.GetResources().AddForm(formXObject);
PdfPage pageToCheck = document.AddNewPage();
PdfResources pageResources = pageToCheck.GetResources();
pageResources.AddPattern(new PdfPattern.Shading(new PdfDictionary()));
pageResources.AddPattern(tillingPattern);
NUnit.Framework.Assert.That(() => {
pdfA2Checker.CheckSinglePage(pageToCheck);
}
, NUnit.Framework.Throws.InstanceOf <PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.THE_DOCUMENT_DOES_NOT_CONTAIN_A_PDFA_OUTPUTINTENT_BUT_PAGE_CONTAINS_TRANSPARENCY_AND_DOES_NOT_CONTAIN_BLENDING_COLOR_SPACE))
;
}
}
}
}
public virtual void PatternColorUncoloredCircleRgbTest()
{
String name = "patternColorUncoloredCircleRgbTest.pdf";
PdfWriter writer = new PdfWriter(destinationFolder + name);
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
PdfPage page = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page);
PdfPattern.Tiling circle = new PdfPattern.Tiling(15, 15, 10, 20, false);
new PdfPatternCanvas(circle, document).Circle(7.5f, 7.5f, 2.5f).Fill().Release();
PdfSpecialCs.UncoloredTilingPattern uncoloredRgbCs = new PdfSpecialCs.UncoloredTilingPattern(new PdfDeviceCs.Rgb
());
float[] green = new float[] { 0, 1, 0 };
canvas.SetFillColor(new PatternColor(circle, uncoloredRgbCs, green));
canvas.Rectangle(30, 300, 400, 400).Fill();
canvas.Release();
document.Close();
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(destinationFolder + name, sourceFolder +
"cmp_" + name, destinationFolder));
}
public PatternColor(PdfPattern.Tiling uncoloredPattern, PdfColorSpace underlyingCS, float[] colorValue)
: this(uncoloredPattern, new PdfSpecialCs.UncoloredTilingPattern(EnsureNotPatternCs(underlyingCS)), colorValue
)
{
}
public PatternColor(PdfPattern.Tiling uncoloredPattern, Color color)
: this(uncoloredPattern, color.GetColorSpace(), color.GetColorValue())
{
}
/// <summary>Creates PdfPatternCanvas for a document from a provided Tiling pattern</summary>
/// <param name="pattern">The Tiling pattern must be colored</param>
/// <param name="document">The document that the resulting content stream will be written to</param>
public PdfPatternCanvas(PdfPattern.Tiling pattern, PdfDocument document)
: base((PdfStream)pattern.GetPdfObject(), pattern.GetResources(), document)
{
this.tilingPattern = pattern;
}
/// <summary>Creates PdfPatternCanvas from content stream of page, form XObject, pattern etc.</summary>
/// <param name="contentStream">The content stream</param>
/// <param name="resources">The resources, a specialized dictionary that can be used by PDF instructions in the content stream
/// </param>
/// <param name="document">The document that the resulting content stream will be written to</param>
public PdfPatternCanvas(PdfStream contentStream, PdfResources resources, PdfDocument document)
: base(contentStream, resources, document)
{
this.tilingPattern = new PdfPattern.Tiling(contentStream);
}
