//TODO: Measure
internal static void CopyTo(PDFDictionary sourceDict, PDFDictionary destinationDict, Page oldPage, Page newPage)
{
string[] keys = { "LE", "IC", "BE", "IT" };
for (int i = 0; i < keys.Length; ++i)
{
IPDFObject obj = sourceDict[keys[i]];
if (obj != null)
{
destinationDict.AddItem(keys[i], obj.Clone());
}
}
PDFDictionary bs = sourceDict["BS"] as PDFDictionary;
if (bs != null)
{
destinationDict.AddItem("BS", AnnotationBorderStyle.Copy(bs));
}
PDFArray vertices = sourceDict["Vertices"] as PDFArray;
if (vertices != null)
{
RectangleF oldRect = oldPage == null ? new RectangleF() : oldPage.PageRect;
destinationDict.AddItem("Vertices", CloneUtility.CopyArrayCoordinates(vertices, oldRect, newPage.PageRect, oldPage == null));
}
PDFDictionary measure = sourceDict["Measure"] as PDFDictionary;
if (measure != null)
{
destinationDict.AddItem("Measure", Measure.Copy(measure));
}
}
private void parsePage(PDFArray arr, IDocumentEssential owner)
{
IPDFObject page = arr[0];
if (page == null)
{
return;
}
if (page is PDFNumber)
{
_page = owner.GetPage((int)(page as PDFNumber).GetValue());
}
else if (page is PDFDictionary)
{
_page = owner.GetPage(page as PDFDictionary);
}
else
{
_page = null;
}
arr.RemoveItem(0);
if (_page != null)
{
arr.Insert(0, _page.GetDictionary());
}
else
{
arr.Insert(0, new PDFNull());
}
}
/// <summary>
/// Saves the page as a graphic template.
/// </summary>
/// <returns cref="GraphicsTemplate">The saved graphics template.</returns>
public GraphicsTemplate SaveAsTemplate()
{
MemoryStream stream = new MemoryStream();
stream.WriteByte((byte)'q');
stream.WriteByte((byte)'\n');
byte[] buf = new byte[4096];
IPDFObject contents = _dictionary["Contents"];
if (contents is PDFDictionaryStream)
{
writeContents(contents as PDFDictionaryStream, buf, stream);
}
else if (contents is PDFArray)
{
PDFArray arr = contents as PDFArray;
for (int i = 0; i < arr.Count; ++i)
{
writeContents(arr[i] as PDFDictionaryStream, buf, stream);
stream.WriteByte((byte)'\n');
}
}
return(new GraphicsTemplate(stream, Resources.Clone() as Resources, Width, Height));
}
private void addTimesItalicDescriptor()
{
PDFDictionary descriptor = new PDFDictionary();
descriptor.AddItem("Ascent", new PDFNumber(683));
descriptor.AddItem("CapHeight", new PDFNumber(653));
descriptor.AddItem("Descent", new PDFNumber(-217));
descriptor.AddItem("Flags", new PDFNumber(32));
descriptor.AddItem("FontName", new PDFName("Times-Italic"));
descriptor.AddItem("FontWeight", new PDFNumber(500));
descriptor.AddItem("ItalicAngle", new PDFNumber(-15));
descriptor.AddItem("MissingWidth", new PDFNumber(250));
descriptor.AddItem("StemV", new PDFNumber(0));
descriptor.AddItem("XHeight", new PDFNumber(441));
descriptor.AddItem("Type", new PDFName("FontDescriptor"));
PDFArray bbox = new PDFArray();
bbox.AddItem(new PDFNumber(-169));
bbox.AddItem(new PDFNumber(-217));
bbox.AddItem(new PDFNumber(1010));
bbox.AddItem(new PDFNumber(883));
descriptor.AddItem("FontBBox", bbox);
GetDictionary().AddItem("FontDescriptor", descriptor);
addEncoding();
}
/// <summary>
/// Adds the specified action to the end of the collection.
/// </summary>
/// <param name="action">Action to be added.</param>
public void Add(Action action)
{
if (action == null)
{
throw new ArgumentNullException();
}
IPDFObject obj = _parent[_key];
if (obj == null || obj is PDFDictionary)
{
_parent.AddItem(_key, new PDFArray());
}
PDFArray arr = _parent[_key] as PDFArray;
if (obj is PDFDictionary)
{
arr.AddItem(obj);
}
Action copy = action.Clone(_owner);
_actions.Add(copy);
arr.AddItem(copy.GetDictionary());
}
internal override float GetTextHeight(float fontSize)
{
PDFArray bbox = (GetDictionary()["FontDescriptor"] as PDFDictionary)["FontBBox"] as PDFArray;
float height = (float)(bbox[3] as PDFNumber).GetValue();
return(height * fontSize / 1000.0f);
}
private void addHelveticaObliqueDescriptor()
{
PDFDictionary descriptor = new PDFDictionary();
descriptor.AddItem("Ascent", new PDFNumber(718));
descriptor.AddItem("CapHeight", new PDFNumber(718));
descriptor.AddItem("Descent", new PDFNumber(-207));
descriptor.AddItem("Flags", new PDFNumber(32));
descriptor.AddItem("FontName", new PDFName("Helvetica-Oblique"));
descriptor.AddItem("FontWeight", new PDFNumber(500));
descriptor.AddItem("ItalicAngle", new PDFNumber(-12));
descriptor.AddItem("MissingWidth", new PDFNumber(278));
descriptor.AddItem("StemV", new PDFNumber(0));
descriptor.AddItem("XHeight", new PDFNumber(532));
descriptor.AddItem("Type", new PDFName("FontDescriptor"));
PDFArray bbox = new PDFArray();
bbox.AddItem(new PDFNumber(-166));
bbox.AddItem(new PDFNumber(-225));
bbox.AddItem(new PDFNumber(1000));
bbox.AddItem(new PDFNumber(931));
descriptor.AddItem("FontBBox", bbox);
GetDictionary().AddItem("FontDescriptor", descriptor);
addEncoding();
}
private Filter[] getFilters()
{
IPDFObject obj = _dictionary["Filter"];
if (obj == null)
{
return(new Filter[0]);
}
List <Filter> filters = new List <Filter>();
if (obj is PDFArray)
{
PDFArray arr = obj as PDFArray;
for (int i = 0; i < arr.Count; ++i)
{
PDFName filter = arr[i] as PDFName;
if (filter != null)
{
filters.Add(convertPDFNameToFilter(filter.GetValue()));
}
}
}
else if (obj is PDFName)
{
filters.Add(convertPDFNameToFilter((obj as PDFName).GetValue()));
}
return(filters.ToArray());
}
public IPDFObject Clone()
{
PDFArray arr = new PDFArray();
arr._items.AddRange(_items);
return(arr);
}
private void initialize2IDAT(FileStream fs, long positionTRNS)
{
if (positionTRNS != 0)
{
long oldPosition = fs.Position;
fs.Position = positionTRNS;
byte[] buf = new byte[4];
fs.Read(buf, 0, buf.Length);
fs.Position += 4;
byte[] data = new byte[toInt32(buf)];
fs.Read(data, 0, data.Length);
PDFArray array = new PDFArray();
for (int i = 0; i < 3; ++i)
{
int tRNS = data[i * 2 + 1];
if (_bitdepth == 16)
{
tRNS = (((int)data[i * 2] << 8) | data[i * 2 + 1]);
}
array.AddItem(new PDFNumber(tRNS));
array.AddItem(new PDFNumber(tRNS));
}
Dictionary.AddItem("Mask", array);
fs.Position = oldPosition;
}
initNotAlphaIDAT(fs, "DeviceRGB", 3);
}
internal AnnotationCollections(PDFArray arr, IDocumentEssential owner, Page page)
{
_array = arr;
_owner = owner;
_page = page;
parseAnnotations();
}
private void initCalRGB(PDFArray array, int gamma)
{
PDFDictionary dict = new PDFDictionary();
array.AddItem(new PDFName("CalRGB"));
PDFArray arrayWhite = new PDFArray();
PDFArray arrayMatrix = new PDFArray();
arrayWhite.AddItem(new PDFNumber(0.95044f));
arrayWhite.AddItem(new PDFNumber(1));
arrayWhite.AddItem(new PDFNumber(1.08893f));
arrayMatrix.AddItem(new PDFNumber(0.4124f));
arrayMatrix.AddItem(new PDFNumber(0.21264f));
arrayMatrix.AddItem(new PDFNumber(0.01934f));
arrayMatrix.AddItem(new PDFNumber(0.35759f));
arrayMatrix.AddItem(new PDFNumber(0.71517f));
arrayMatrix.AddItem(new PDFNumber(0.1192f));
arrayMatrix.AddItem(new PDFNumber(0.18046f));
arrayMatrix.AddItem(new PDFNumber(0.07219f));
arrayMatrix.AddItem(new PDFNumber(0.9504f));
dict.AddItem("WhitePoint", arrayWhite);
dict.AddItem("Matrix", arrayMatrix);
PDFArray gammaA = new PDFArray();
gammaA.AddItem(new PDFNumber((float)100000 / gamma));
gammaA.AddItem(new PDFNumber((float)100000 / gamma));
gammaA.AddItem(new PDFNumber((float)100000 / gamma));
dict.AddItem("Gamma", gammaA);
array.AddItem(dict);
}
public Encryptor(PDFDictionary dict, PDFArray idArray)
{
if (dict == null)
{
throw new PDFException();
}
readFilter(dict);
readAlgorithmVersion(dict);
readRevision(dict);
readKeyLength(dict);
readOwnerHash(dict);
readUserHash(dict);
readPermissions(dict);
if (_revision >= 4)
{
readEncryptMetadata(dict);
readCryptFilters(dict);
}
if (_revision == 5)
{
readUE(dict);
readOE(dict);
readPerms(dict);
}
readID(idArray);
}
protected override bool isHitInRange(PDFArray limits, object key)
{
string name = key as string;
if (name == null)
{
throw new ArgumentException("Key must have a string type for NameTree.");
}
PDFString first = limits[0] as PDFString;
PDFString last = limits[1] as PDFString;
if (first != null && last != null)
{
int comp1 = String.Compare(first.GetValue(), name, StringComparison.Ordinal);
int comp2 = String.Compare(last.GetValue(), name, StringComparison.Ordinal);
if (comp1 <= 0 && comp2 >= 0)
{
return(true);
}
}
return(false);
}
protected override IPDFObject findItem(PDFArray array, object key)
{
if (array == null)
{
return(null);
}
int number = (int)key;
for (int i = 0; i < array.Count; i += 2)
{
PDFNumber val = array[i] as PDFNumber;
if (i + 2 < array.Count)
{
PDFNumber val_next = array[i + 2] as PDFNumber;
if (val != null && val_next != null &&
((int)val.GetValue()) <= number && number < ((int)val_next.GetValue()))
{
return(array[i + 1]);
}
}
else
{
if (val != null && ((int)val.GetValue()) <= number)
{
return(array[i + 1]);
}
}
}
return(null);
}
private IPDFObject createDescendantFonts()
{
PDFDictionary dict = new PDFDictionary();
dict.AddItem("BaseFont", new PDFName(_trueTypeData.FontName));
PDFDictionary CIDSystemInfo = new PDFDictionary();
CIDSystemInfo.AddItem("Ordering", new PDFString(System.Text.Encoding.ASCII.GetBytes("Identity"), false));
CIDSystemInfo.AddItem("Registry", new PDFString(System.Text.Encoding.ASCII.GetBytes("Adobe"), false));
CIDSystemInfo.AddItem("Supplement", new PDFNumber(0));
dict.AddItem("CIDSystemInfo", CIDSystemInfo);
dict.AddItem("CIDToGIDMap", new PDFName("Identity"));
dict.AddItem("DW", new PDFNumber(_trueTypeData.MissingWidth));
dict.AddItem("FontDescriptor", createFontDescriptorDictionary());
dict.AddItem("Type", new PDFName("Font"));
dict.AddItem("Subtype", new PDFName("CIDFontType2"));
dict.AddItem("W", createGlyfWidths());
PDFArray arr = new PDFArray();
arr.AddItem(dict);
return(arr);
}
private void getAllLeafs(PDFDictionary dict, List <PageLabel> items)
{
PDFArray values = dict[NodeType] as PDFArray;
if (values != null)
{
int key;
PDFDictionary value;
for (int i = 0; i < values.Count; i += 2)
{
key = (int)(values[i] as PDFNumber).GetValue();
value = values[i + 1] as PDFDictionary;
items.Add(new PageLabel(key, value));
}
}
PDFArray kids = dict["Kids"] as PDFArray;
if (kids != null)
{
for (int i = 0; i < kids.Count; ++i)
{
if (kids[i] as PDFDictionary != null)
{
getAllLeafs(kids[i] as PDFDictionary, items);
}
}
}
}
private PDFDictionary createFontDescriptorDictionary()
{
PDFDictionary dict = new PDFDictionary();
dict.AddItem("Ascent", new PDFNumber(_trueTypeData.Ascent));
dict.AddItem("Descent", new PDFNumber(_trueTypeData.Descent));
dict.AddItem("CapHeight", new PDFNumber(0));
dict.AddItem("Flags", new PDFNumber(32));
dict.AddItem("FontName", new PDFName(_trueTypeData.FontName));
dict.AddItem("ItalicAngle", new PDFNumber(_trueTypeData.ItalicAngle));
dict.AddItem("MissingWidth", new PDFNumber(_trueTypeData.MissingWidth));
dict.AddItem("StemV", new PDFNumber(0));
dict.AddItem("Type", new PDFName("FontDescriptor"));
PDFArray bbox = new PDFArray();
System.Drawing.Rectangle rect = _trueTypeData.FontBBox;
bbox.AddItem(new PDFNumber(rect.X));
bbox.AddItem(new PDFNumber(rect.Y));
bbox.AddItem(new PDFNumber(rect.Width));
bbox.AddItem(new PDFNumber(rect.Height));
dict.AddItem("FontBBox", bbox);
PDFDictionary fontFileDict = new PDFDictionary();
System.IO.MemoryStream stream = new System.IO.MemoryStream();
_trueTypeData.Write(stream, _fontMap.GetIndexes(), _fontMap);
fontFileDict.AddItem("Length1", new PDFNumber(stream.Length));
dict.AddItem("FontFile2", new PDFDictionaryStream(fontFileDict, stream));
return(dict);
}
private void addCourierObliqueDescriptor()
{
PDFDictionary descriptor = new PDFDictionary();
descriptor.AddItem("Ascent", new PDFNumber(629));
descriptor.AddItem("CapHeight", new PDFNumber(562));
descriptor.AddItem("Descent", new PDFNumber(-157));
descriptor.AddItem("Flags", new PDFNumber(32));
descriptor.AddItem("FontName", new PDFName("Courier-Oblique"));
descriptor.AddItem("FontWeight", new PDFNumber(500));
descriptor.AddItem("ItalicAngle", new PDFNumber(-11));
descriptor.AddItem("MissingWidth", new PDFNumber(600));
descriptor.AddItem("StemV", new PDFNumber(0));
descriptor.AddItem("XHeight", new PDFNumber(426));
descriptor.AddItem("Type", new PDFName("FontDescriptor"));
PDFArray bbox = new PDFArray();
bbox.AddItem(new PDFNumber(-6));
bbox.AddItem(new PDFNumber(-249));
bbox.AddItem(new PDFNumber(639));
bbox.AddItem(new PDFNumber(803));
descriptor.AddItem("FontBBox", bbox);
GetDictionary().AddItem("FontDescriptor", descriptor);
addEncoding();
}
internal override float GetTextWidth(PDFString str, float fontSize)
{
PDFArray widths = GetDictionary()["Widths"] as PDFArray;
PDFNumber fc = GetDictionary()["FirstChar"] as PDFNumber;
int firstChar = 0;
if (fc != null)
{
firstChar = (int)fc.GetValue();
}
byte[] data = str.GetBytes();
float result = 0;
for (int i = 0; i < data.Length; ++i)
{
PDFNumber w = widths[data[i] - firstChar] as PDFNumber;
if (w != null)
{
return((float)(w.GetValue() * fontSize / 1000.0f));
}
}
return(result);
}
private void addSymbolDescriptor()
{
PDFDictionary descriptor = new PDFDictionary();
descriptor.AddItem("Ascent", new PDFNumber(692));
descriptor.AddItem("CapHeight", new PDFNumber(0));
descriptor.AddItem("Descent", new PDFNumber(-14));
descriptor.AddItem("Flags", new PDFNumber(4));
descriptor.AddItem("FontName", new PDFName("Symbol"));
descriptor.AddItem("FontWeight", new PDFNumber(500));
descriptor.AddItem("ItalicAngle", new PDFNumber(0));
descriptor.AddItem("MissingWidth", new PDFNumber(250));
descriptor.AddItem("StemV", new PDFNumber(0));
descriptor.AddItem("XHeight", new PDFNumber(0));
descriptor.AddItem("Type", new PDFName("FontDescriptor"));
PDFArray bbox = new PDFArray();
bbox.AddItem(new PDFNumber(-180));
bbox.AddItem(new PDFNumber(-293));
bbox.AddItem(new PDFNumber(1090));
bbox.AddItem(new PDFNumber(1010));
descriptor.AddItem("FontBBox", bbox);
byte[] data = System.Text.Encoding.ASCII.GetBytes("/space/exclam/universal/numbersign/existential/percent/ampersand/suchthat/parenleft/parenright/asteriskmath/plus/comma/minus/period/slash/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon/less/equal/greater/question/congruent/Alpha/Beta/Chi/Delta/Epsilon/Phi/Gamma/Eta/Iota/theta1/Kappa/Lambda/Mu/Nu/Omicron/Pi/Theta/Rho/Sigma/Tau/Upsilon/sigma1/Omega/Xi/Psi/Zeta/bracketleft/therefore/bracketright/perpendicular/underscore/radicalex/alpha/beta/chi/delta/epsilon/phi/gamma/eta/iota/phi1/kappa/lambda/mu/nu/omicron/pi/theta/rho/sigma/tau/upsilon/omega1/omega/xi/psi/zeta/braceleft/bar/braceright/similar/Euro/Upsilon1/minute/lessequal/fraction/infinity/florin/club/diamond/heart/spade/arrowboth/arrowleft/arrowup/arrowright/arrowdown/degree/plusminus/second/greaterequal/multiply/proportional/partialdiff/bullet/divide/notequal/equivalence/approxequal/ellipsis/arrowvertex/arrowhorizex/carriagereturn/aleph/Ifraktur/Rfraktur/weierstrass/circlemultiply/circleplus/emptyset/intersection/union/propersuperset/reflexsuperset/notsubset/propersubset/reflexsubset/element/notelement/angle/gradient/registerserif/copyrightserif/trademarkserif/product/radical/dotmath/logicalnot/logicaland/logicalor/arrowdblboth/arrowdblleft/arrowdblup/arrowdblright/arrowdbldown/lozenge/angleleft/registersans/copyrightsans/trademarksans/summation/parenlefttp/parenleftex/parenleftbt/bracketlefttp/bracketleftex/bracketleftbt/bracelefttp/braceleftmid/braceleftbt/braceex/angleright/integral/integraltp/integralex/integralbt/parenrighttp/parenrightex/parenrightbt/bracketrighttp/bracketrightex/bracketrightbt/bracerighttp/bracerightmid/bracerightbt");
descriptor.AddItem("CharSet", new PDFString(data, false));
GetDictionary().AddItem("FontDescriptor", descriptor);
addSymbolEncodingDictionary();
}
private void init(float[] matrix)
{
_dict = new PDFDictionaryStream(new PDFDictionary(), Stream);
_dict.Dictionary.AddItem("Type", new PDFName("XObject"));
_dict.Dictionary.AddItem("Subtype", new PDFName("Form"));
PDFArray array = new PDFArray();
array.AddItem(new PDFNumber(0));
array.AddItem(new PDFNumber(0));
array.AddItem(new PDFNumber(Width));
array.AddItem(new PDFNumber(Height));
_dict.Dictionary.AddItem("BBox", array);
_dict.Dictionary.AddItem("Resources", Resources.Dictionary);
array = new PDFArray();
if (matrix != null)
{
array.AddItem(new PDFNumber(matrix[0]));
array.AddItem(new PDFNumber(matrix[1]));
array.AddItem(new PDFNumber(matrix[2]));
array.AddItem(new PDFNumber(matrix[3]));
array.AddItem(new PDFNumber(matrix[4]));
array.AddItem(new PDFNumber(matrix[5]));
_dict.Dictionary.AddItem("Matrix", array);
}
}
private void addZapfDingbatsDescriptor()
{
PDFDictionary descriptor = new PDFDictionary();
descriptor.AddItem("Ascent", new PDFNumber(692));
descriptor.AddItem("CapHeight", new PDFNumber(0));
descriptor.AddItem("Descent", new PDFNumber(-140));
descriptor.AddItem("Flags", new PDFNumber(4));
descriptor.AddItem("FontName", new PDFName("ZapfDingbats"));
descriptor.AddItem("FontWeight", new PDFNumber(500));
descriptor.AddItem("ItalicAngle", new PDFNumber(0));
descriptor.AddItem("MissingWidth", new PDFNumber(278));
descriptor.AddItem("StemV", new PDFNumber(0));
descriptor.AddItem("XHeight", new PDFNumber(0));
descriptor.AddItem("Type", new PDFName("FontDescriptor"));
PDFArray bbox = new PDFArray();
bbox.AddItem(new PDFNumber(-1));
bbox.AddItem(new PDFNumber(-143));
bbox.AddItem(new PDFNumber(981));
bbox.AddItem(new PDFNumber(820));
descriptor.AddItem("FontBBox", bbox);
byte[] data = System.Text.Encoding.ASCII.GetBytes("/space/a1/a2/a202/a3/a4/a5/a119/a118/a117/a11/a12/a13/a14/a15/a16/a105/a17/a18/a19/a20/a21/a22/a23/a24/a25/a26/a27/a28/a6/a7/a8/a9/a10/a29/a30/a31/a32/a33/a34/a35/a36/a37/a38/a39/a40/a41/a42/a43/a44/a45/a46/a47/a48/a49/a50/a51/a52/a53/a54/a55/a56/a57/a58/a59/a60/a61/a62/a63/a64/a65/a66/a67/a68/a69/a70/a71/a72/a73/a74/a203/a75/a204/a76/a77/a78/a79/a81/a82/a83/a84/a97/a98/a99/a100/a89/a90/a93/a94/a91/a92/a205/a85/a206/a86/a87/a88/a95/a96/a101/a102/a103/a104/a106/a107/a108/a112/a111/a110/a109/a120/a121/a122/a123/a124/a125/a126/a127/a128/a129/a130/a131/a132/a133/a134/a135/a136/a137/a138/a139/a140/a141/a142/a143/a144/a145/a146/a147/a148/a149/a150/a151/a152/a153/a154/a155/a156/a157/a158/a159/a160/a161/a163/a164/a196/a165/a192/a166/a167/a168/a169/a170/a171/a172/a173/a162/a174/a175/a176/a177/a178/a179/a193/a180/a199/a181/a200/a182/a201/a183/a184/a197/a185/a194/a198/a186/a195/a187/a188/a189/a190/a191");
descriptor.AddItem("CharSet", new PDFString(data, false));
GetDictionary().AddItem("FontDescriptor", descriptor);
addZapfDingbatsEncodingDictionary();
}
internal override float GetCharWidth(char c, float fontSize)
{
PDFArray widths = GetDictionary()["Widths"] as PDFArray;
if (widths != null)
{
PDFNumber fc = GetDictionary()["FirstChar"] as PDFNumber;
int firstChar = 0;
if (fc != null)
{
firstChar = (int)fc.GetValue();
}
int glyf = getGlyf(c);
PDFNumber w = widths[glyf - firstChar] as PDFNumber;
if (w != null)
{
return((float)(w.GetValue() * fontSize / 1000.0f));
}
}
else
{
StandardFonts font;
if (isStandardFont(out font))
{
IGlyfMetrics metrics = getStandardFontMetrics(font);
return(metrics.GetCharWidth(c) * fontSize / 1000.0f);
}
}
return(0);
}
internal Destination(IPDFObject dest, IDocumentEssential owner)
{
PDFString s = dest as PDFString;
if (s != null)
{
dest = owner.GetDestinationFromNames(s.GetValue());
if (dest == null)
{
dest = new PDFArray();
}
}
PDFArray array = dest as PDFArray;
if (array != null)
{
parsePage(array, owner);
parseZoomMode(array);
parseProperties(array, owner);
}
else
{
dest = new PDFArray();
}
_array = dest as PDFArray;
}
private System.Drawing.Rectangle getFontBBox()
{
PDFDictionary fontDescriptor = GetDictionary()["FontDescriptor"] as PDFDictionary;
if (fontDescriptor != null)
{
PDFArray fontBBox = fontDescriptor["FontBBox"] as PDFArray;
if (fontBBox != null)
{
System.Drawing.Rectangle bbox = new System.Drawing.Rectangle();
try
{
bbox.X = (int)(fontBBox[0] as PDFNumber).GetValue();
bbox.Y = (int)(fontBBox[1] as PDFNumber).GetValue();
bbox.Width = (int)(fontBBox[2] as PDFNumber).GetValue();
bbox.Height = (int)(fontBBox[3] as PDFNumber).GetValue();
}
catch
{
}
return(bbox);
}
}
StandardFonts bf;
if (isStandardFont(out bf))
{
return(Base14Font.GetFontBBox(bf));
}
return(new System.Drawing.Rectangle());
}
private int[] getIndex(PDFDictionary dict)
{
PDFArray Index = dict["Index"] as PDFArray;
if (Index == null)
{
int[] ind = { 0, 0 };
PDFNumber size = dict["Size"] as PDFNumber;
if (size == null || size.GetValue() <= 0)
{
throw new InvalidDocumentException();
}
ind[1] = (int)size.GetValue();
return(ind);
}
int[] index = new int[Index.Count];
for (int i = 0; i < Index.Count; ++i)
{
PDFNumber number = Index[i] as PDFNumber;
if (number == null || number.GetValue() < 0)
{
throw new InvalidDocumentException();
}
index[i] = (int)number.GetValue();
}
return(index);
}
protected override bool isHitInRange(PDFArray limits, object key)
{
if (key.GetType() != System.Type.GetType("int"))
{
throw new ArgumentException("Key must have a integer type for NumberTree.");
}
int number = (int)key;
PDFNumber first = limits[0] as PDFNumber;
PDFNumber last = limits[1] as PDFNumber;
if (first != null && last != null)
{
int comp1 = ((int)first.GetValue()).CompareTo(number);
int comp2 = ((int)last.GetValue()).CompareTo(number);
if (comp1 <= 0 && comp2 >= 0)
{
return(true);
}
}
return(false);
}
private void loadCanvas()
{
IPDFObject contents = _dictionary["Contents"];
if (contents is PDFArray)
{
addFirstq(contents as PDFArray);
addLast(contents as PDFArray);
}
else if (contents is PDFDictionaryStream)
{
PDFArray arr = new PDFArray();
addFirstq(arr);
arr.AddItem(contents);
addLast(arr);
_dictionary.AddItem("Contents", arr);
}
else
{
PDFArray arr = new PDFArray();
PDFDictionaryStream ds = new PDFDictionaryStream();
MemoryStream s = ds.GetStream();
s.WriteByte((byte)'q');
s.WriteByte((byte)'\r');
s.WriteByte((byte)'Q');
arr.AddItem(ds);
_dictionary.AddItem("Contents", arr);
_canvas = new Canvas(s, Resources, PageRect);
_canvas.ChangeGroup += new ChangeGroupEventHandler(m_canvas_ChangeGroup);
}
}
internal PDFArray ParseArray(int objNo, int genNo)
{
PDFArray arr = new PDFArray();
int b = _stream.ReadByte();
for (; ;)
{
if (IsEOL(b))
{
SkipEOL();
b = _lastParsedByte;
}
if (!_usedLastParsedNumber)
{
if (b == ']')
{
break;
}
}
IPDFObject obj = readObject(b, objNo, genNo);
if (obj == null)
{
return(null);
}
arr.AddItem(obj);
b = _lastParsedByte;
}
_lastParsedByte = _stream.ReadByte();
return(arr);
}
