public PdfPage(
PdfResources resources,
PdfContentStream contents,
int pagewidth,
int pageheight,
PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Page;
this[PdfName.Names.Resources] = resources.GetReference();
this[PdfName.Names.Contents] = contents.GetReference();
PdfArray mediaBox = new PdfArray();
mediaBox.Add(new PdfNumeric(0));
mediaBox.Add(new PdfNumeric(0));
mediaBox.Add(new PdfNumeric(pagewidth));
mediaBox.Add(new PdfNumeric(pageheight));
this[PdfName.Names.MediaBox] = mediaBox;
}
public virtual void CheckPatternWithFormResourceCycle()
{
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.GetResources().AddForm(formXObject);
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 PdfPage(
PdfResources resources,
PdfContentStream contents,
int pagewidth,
int pageheight,
PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Page;
this[PdfName.Names.Resources] = resources.GetReference();
this[PdfName.Names.Contents] = contents.GetReference();
PdfArray mediaBox = new PdfArray();
mediaBox.Add(new PdfNumeric(0));
mediaBox.Add(new PdfNumeric(0));
mediaBox.Add(new PdfNumeric(pagewidth));
mediaBox.Add(new PdfNumeric(pageheight));
this[PdfName.Names.MediaBox] = mediaBox;
}
public void StopRenderer()
{
fontSetup.AddToResources(new PdfFontCreator(pdfDoc), pdfDoc.getResources());
pdfDoc.outputTrailer();
pdfDoc = null;
pdfResources = null;
currentStream = null;
currentAnnotList = null;
currentPage = null;
idReferences = null;
currentFontName = String.Empty;
currentFill = null;
prevUnderlineColor = null;
prevOverlineColor = null;
prevLineThroughColor = null;
fontSetup = null;
fontInfo = null;
}
/// <summary>
/// Init
/// </summary>
public void Init(PdfResources resourcesDict)
{
extendedGStates = new Dictionary <string, List <State> >();
if (resourcesDict == null)
{
return;
}
var extGStatesDict = resourcesDict.ExtGStates;
if (extGStatesDict == null)
{
return;
}
foreach (var element in extGStatesDict.Elements.Keys)
{
var settingsDict = extGStatesDict.Elements.GetDictionary(element);
extendedGStates[element] = ReadExtendedState(settingsDict);
}
}
/// <summary>
/// Init
/// Note: Compared to the ExtGStates we cannot precompile the XObjects
/// to GraphicPaths. Just because the result depends on the settings
/// where the XObjects are used. The coordinates and the transparency
/// of the parent influence the resulting coordinates and transparencies.
/// </summary>
public void Init(PdfResources resourcesDict)
{
xObjects = new Dictionary <string, PdfDictionary>();
if (resourcesDict == null)
{
return;
}
var xObjectsDict = resourcesDict.XObjects;
if (xObjectsDict == null)
{
return;
}
foreach (var name in xObjectsDict.Elements.Keys)
{
var xObjectDict = xObjectsDict.Elements.GetDictionary(name);
xObjects.Add(name, xObjectDict);
}
}
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))
;
}
}
}
}
/// <summary>
/// Init
/// </summary>
public void Init(PdfResources resourcesDict)
{
colorSpaces = new Dictionary <string, IColorSpace>();
IColorSpace predefinedColorSpace = new RGBDeviceColorSpace();
colorSpaces.Add(PdfKeys.DeviceRGB, predefinedColorSpace);
predefinedColorSpace = new CMYKDeviceColorSpace();
colorSpaces.Add(PdfKeys.DeviceCMYK, predefinedColorSpace);
predefinedColorSpace = new GrayDeviceColorSpace();
colorSpaces.Add(PdfKeys.DeviceGray, predefinedColorSpace);
var predefinedColorSpacePattern = new PatternColorSpace(patternManager);
colorSpaces.Add(PdfKeys.DevicePattern, predefinedColorSpacePattern);
if (resourcesDict != null)
{
ReadResourceDefinedColorSpaces(resourcesDict);
}
}
public virtual void ModifyAxialShadingTest()
{
String testName = "modifyAxialShadingTest";
String outName = destinationFolder + testName + ".pdf";
String cmpName = sourceFolder + "cmp_" + testName + ".pdf";
String input = sourceFolder + "axialShading.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.AXIAL)
{
PdfShading.Axial axialShading = (PdfShading.Axial)shading;
// "cut" shading and extend colors
axialShading.SetDomain(0.1f, 0.8f);
axialShading.SetExtend(true, true);
}
}
pdfDocument.Close();
AssertShadingDictionaryResult(outName, cmpName, "Sh1");
}
public virtual void InnerArraysInContentStreamTest()
{
String inputFileName = sourceFolder + "innerArraysInContentStream.pdf";
PdfDocument pdfDocument = new PdfDocument(new PdfReader(inputFileName));
byte[] docInBytes = pdfDocument.GetFirstPage().GetContentBytes();
RandomAccessSourceFactory factory = new RandomAccessSourceFactory();
PdfTokenizer tokeniser = new PdfTokenizer(new RandomAccessFileOrArray(factory.CreateSource(docInBytes)));
PdfResources resources = pdfDocument.GetPage(1).GetResources();
PdfCanvasParser ps = new PdfCanvasParser(tokeniser, resources);
IList <PdfObject> actual = ps.Parse(null);
IList <PdfObject> expected = new List <PdfObject>();
expected.Add(new PdfString("Cyan"));
expected.Add(new PdfArray(new int[] { 1, 0, 0, 0 }));
expected.Add(new PdfString("Magenta"));
expected.Add(new PdfArray(new int[] { 0, 1, 0, 0 }));
expected.Add(new PdfString("Yellow"));
expected.Add(new PdfArray(new int[] { 0, 0, 1, 0 }));
PdfArray cmpArray = new PdfArray(expected);
NUnit.Framework.Assert.IsTrue(new CompareTool().CompareArrays(cmpArray, (((PdfDictionary)actual[1]).GetAsArray
(new PdfName("ColorantsDef")))));
}
/// <summary>
/// Init
/// </summary>
public void Init(PdfResources resourcesDict)
{
shadings = new Dictionary <string, IShading>();
if (resourcesDict == null)
{
return;
}
var shadingsDict = resourcesDict.Shadings;
if (shadingsDict == null)
{
return;
}
foreach (var name in shadingsDict.Elements.Keys)
{
var shadingDict = shadingsDict.Elements.GetDictionary(name);
var fd = ReadShading(shadingDict);
shadings.Add(name, fd);
}
}
public override void CheckIsoConformance(Object obj, IsoKey key, PdfResources resources, PdfStream contentStream
)
{
CanvasGraphicsState gState;
PdfDictionary currentColorSpaces = null;
if (resources != null)
{
currentColorSpaces = resources.GetPdfObject().GetAsDictionary(PdfName.ColorSpace);
}
switch (key)
{
case IsoKey.CANVAS_STACK: {
checker.CheckCanvasStack((char)obj);
break;
}
case IsoKey.PDF_OBJECT: {
checker.CheckPdfObject((PdfObject)obj);
break;
}
case IsoKey.RENDERING_INTENT: {
checker.CheckRenderingIntent((PdfName)obj);
break;
}
case IsoKey.INLINE_IMAGE: {
checker.CheckInlineImage((PdfStream)obj, currentColorSpaces);
break;
}
case IsoKey.EXTENDED_GRAPHICS_STATE: {
gState = (CanvasGraphicsState)obj;
checker.CheckExtGState(gState, contentStream);
break;
}
case IsoKey.FILL_COLOR: {
gState = (CanvasGraphicsState)obj;
checker.CheckColor(gState.GetFillColor(), currentColorSpaces, true, contentStream);
break;
}
case IsoKey.PAGE: {
checker.CheckSinglePage((PdfPage)obj);
break;
}
case IsoKey.STROKE_COLOR: {
gState = (CanvasGraphicsState)obj;
checker.CheckColor(gState.GetStrokeColor(), currentColorSpaces, false, contentStream);
break;
}
case IsoKey.TAG_STRUCTURE_ELEMENT: {
checker.CheckTagStructureElement((PdfObject)obj);
break;
}
case IsoKey.FONT_GLYPHS: {
checker.CheckFontGlyphs(((CanvasGraphicsState)obj).GetFont(), contentStream);
break;
}
}
}
public override void CheckIsoConformance(Object obj, IsoKey key, PdfResources resources)
{
CheckIsoConformance(obj, key, resources, null);
}
public override void Flush()
{
resources = null;
base.Flush();
}
public _PdfCanvas_164(LinkedList <CanvasTag> tags, PdfStream baseArg1, PdfResources baseArg2, PdfDocument baseArg3
)
: base(baseArg1, baseArg2, baseArg3)
{
this.tags = tags;
this.tagsToCompare = tags;
}
/// <summary>Creates a new instance of PdfContentParser</summary>
/// <param name="tokeniser">the tokeniser with the content</param>
/// <param name="currentResources">
/// current resources of the content stream.
/// It is optional parameter, which is used for performance improvements of specific cases of
/// inline images parsing.
/// </param>
public PdfCanvasParser(PdfTokenizer tokeniser, PdfResources currentResources)
{
this.tokeniser = tokeniser;
this.currentResources = currentResources;
}
public override void CheckIsoConformance(Object obj, IsoKey key, PdfResources resources)
{
CanvasGraphicsState gState;
PdfDictionary currentColorSpaces = null;
if (resources != null)
{
currentColorSpaces = resources.GetPdfObject().GetAsDictionary(PdfName.ColorSpace);
}
switch (key)
{
case IsoKey.CANVAS_STACK: {
checker.CheckCanvasStack((char)obj);
break;
}
case IsoKey.PDF_OBJECT: {
checker.CheckPdfObject((PdfObject)obj);
break;
}
case IsoKey.RENDERING_INTENT: {
checker.CheckRenderingIntent((PdfName)obj);
break;
}
case IsoKey.INLINE_IMAGE: {
checker.CheckInlineImage((PdfStream)obj, currentColorSpaces);
break;
}
case IsoKey.GRAPHIC_STATE_ONLY: {
gState = (CanvasGraphicsState)obj;
checker.CheckExtGState(gState);
break;
}
case IsoKey.DRAWMODE_FILL: {
gState = (CanvasGraphicsState)obj;
checker.CheckColor(gState.GetFillColor(), currentColorSpaces, true);
checker.CheckExtGState(gState);
break;
}
case IsoKey.DRAWMODE_STROKE: {
gState = (CanvasGraphicsState)obj;
checker.CheckColor(gState.GetStrokeColor(), currentColorSpaces, false);
checker.CheckExtGState(gState);
break;
}
case IsoKey.DRAWMODE_FILL_STROKE: {
gState = (CanvasGraphicsState)obj;
checker.CheckColor(gState.GetFillColor(), currentColorSpaces, true);
checker.CheckColor(gState.GetStrokeColor(), currentColorSpaces, false);
checker.CheckExtGState(gState);
break;
}
case IsoKey.PAGE: {
checker.CheckSinglePage((PdfPage)obj);
break;
}
}
}
public CanvasGraphicsStateSettablePdfCanvas(PdfStream contentStream, PdfResources resources, PdfDocument document) : base(contentStream, resources, document)
{
}
/// <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);
}
private IDictionary <int, CleanUpImagesCompareTool.PageImageObjectsPaths> ExtractImagesFromPdf(String pdf,
String outputPath)
{
using (PdfReader readerPdf = new PdfReader(pdf)) {
using (PdfDocument pdfDoc = new PdfDocument(readerPdf)) {
IDictionary <int, CleanUpImagesCompareTool.PageImageObjectsPaths> imageObjectDatas = new Dictionary <int, CleanUpImagesCompareTool.PageImageObjectsPaths
>();
for (int i = 1; i <= pdfDoc.GetNumberOfPages(); i++)
{
PdfPage page = pdfDoc.GetPage(i);
CleanUpImagesCompareTool.PageImageObjectsPaths imageObjectData = new CleanUpImagesCompareTool.PageImageObjectsPaths
(page.GetPdfObject().GetIndirectReference());
Stack <LocalPathItem> baseLocalPath = new Stack <LocalPathItem>();
PdfResources pdfResources = page.GetResources();
if (pdfResources.GetPdfObject().IsIndirect())
{
imageObjectData.AddIndirectReference(pdfResources.GetPdfObject().GetIndirectReference());
}
else
{
baseLocalPath.Push(new DictPathItem(PdfName.Resources));
}
PdfDictionary xObjects = pdfResources.GetResource(PdfName.XObject);
if (xObjects == null)
{
continue;
}
if (xObjects.IsIndirect())
{
imageObjectData.AddIndirectReference(xObjects.GetIndirectReference());
baseLocalPath.Clear();
}
else
{
baseLocalPath.Push(new DictPathItem(PdfName.XObject));
}
bool isPageToGsExtract = false;
foreach (PdfName objectName in xObjects.KeySet())
{
if (!xObjects.Get(objectName).IsStream() || !PdfName.Image.Equals(xObjects.GetAsStream(objectName).GetAsName
(PdfName.Subtype)))
{
continue;
}
PdfImageXObject pdfObject = new PdfImageXObject(xObjects.GetAsStream(objectName));
baseLocalPath.Push(new DictPathItem(objectName));
if (!useGs)
{
String extension = pdfObject.IdentifyImageFileExtension();
String fileName = outputPath + objectName + "_" + i + "." + extension;
CreateImageFromPdfXObject(fileName, pdfObject);
}
else
{
isPageToGsExtract = true;
}
Stack <LocalPathItem> reversedStack = new Stack <LocalPathItem>();
reversedStack.AddAll(baseLocalPath);
Stack <LocalPathItem> resultStack = new Stack <LocalPathItem>();
resultStack.AddAll(reversedStack);
imageObjectData.AddLocalPath(resultStack);
baseLocalPath.Pop();
}
if (useGs && isPageToGsExtract)
{
String fileName = "Page_" + i;
ghostscriptHelper.RunGhostScriptImageGeneration(pdf, outputPath, fileName, i.ToString());
}
CleanUpImagesCompareTool.ImageRenderListener listener = new CleanUpImagesCompareTool.ImageRenderListener();
PdfCanvasProcessor parser = new PdfCanvasProcessor(listener);
parser.ProcessPageContent(page);
ignoredImagesAreas.Put(i, listener.GetImageRectangles());
imageObjectDatas.Put(i, imageObjectData);
}
return(imageObjectDatas);
}
}
}
