public static void Run()
{
// ExStart:ConvertPageRegionToDOM
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Images();
// Open document
Document document = new Document( dataDir + "AddImage.pdf");
// Get rectangle of particular page region
Aspose.Pdf.Rectangle pageRect = new Aspose.Pdf.Rectangle(20, 671, 693, 1125);
// Set CropBox value as per rectangle of desired page region
document.Pages[1].CropBox = pageRect;
// Save cropped document into stream
MemoryStream ms = new MemoryStream();
document.Save(ms);
// Open cropped PDF document and convert to image
document = new Document(ms);
// Create Resolution object
Resolution resolution = new Resolution(300);
// Create PNG device with specified attributes
PngDevice pngDevice = new PngDevice(resolution);
dataDir = dataDir + "ConvertPageRegionToDOM_out.png";
// Convert a particular page and save the image to stream
pngDevice.Process(document.Pages[1], dataDir);
ms.Close();
// ExEnd:ConvertPageRegionToDOM
Console.WriteLine("\nPage region converted to DOM successfully.\nFile saved at " + dataDir);
}
public static void Run()
{
// ExStart:GetFieldsFromRegion
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Forms();
// Open pdf file
Aspose.Pdf.Document doc = new Aspose.Pdf.Document(dataDir + "GetFieldsFromRegion.pdf");
// Create rectangle object to get fields in that area
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(35, 30, 500, 500);
// Get the PDF form
Aspose.Pdf.Forms.Form form = doc.Form;
// Get fields in the rectangular area
Aspose.Pdf.Forms.Field[] fields = form.GetFieldsInRect(rectangle);
// Display Field names and values
foreach (Field field in fields)
{
// Display image placement properties for all placements
Console.Out.WriteLine("Field Name: " + field.FullName + "-" + "Field Value: " + field.Value);
}
// ExEnd:GetFieldsFromRegion
}
static void Main(string[] args)
{
var doc = new Document();
var page = doc.Pages.Add();
page.Paragraphs.Add(new Aspose.Pdf.Text.TextFragment("Hello World!"));
int lowerLeftX = 40;
int lowerLeftY = 830;
int upperRightX = 120;
int upperRightY = 790;
var logoFile = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "logo.jpg");
FileStream imageStream = new FileStream(logoFile, FileMode.Open, FileAccess.Read);
page.Resources.Images.Add(imageStream);
page.Contents.Add(new Aspose.Pdf.Operators.GSave());
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(lowerLeftX, lowerLeftY, upperRightX, upperRightY);
Aspose.Pdf.Matrix matrix = new Aspose.Pdf.Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
page.Contents.Add(new Aspose.Pdf.Operators.ConcatenateMatrix(matrix));
XImage ximage = page.Resources.Images[page.Resources.Images.Count];
page.Contents.Add(new Aspose.Pdf.Operators.Do(ximage.Name));
page.Contents.Add(new Aspose.Pdf.Operators.GRestore());
var pdfFile = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "new.pdf");
doc.Save(pdfFile);
Console.WriteLine("all done..");
}
private void RemoveFooter(Aspose.Pdf.Document pdfDoc)
{
try
{
for (int i = 1; i <= pdfDoc.Pages.Count; i++)
{
Page page = pdfDoc.Pages[i];
Aspose.Pdf.Rectangle rect = new Aspose.Pdf.Rectangle(0, 75, page.Rect.Width, 1);
RedactionAnnotation annot = new RedactionAnnotation(page, rect);
annot.FillColor = Aspose.Pdf.Color.White;
annot.BorderColor = Aspose.Pdf.Color.Yellow;
annot.Color = Aspose.Pdf.Color.White;
annot.TextAlignment = Aspose.Pdf.HorizontalAlignment.Center;
page.Annotations.Add(annot);
annot.Redact();
TextAbsorber textAbsorber = new TextAbsorber();
pdfDoc.Pages[i].Accept(textAbsorber);
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void Run()
{
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Images();
//open document
Document pdfDocument = new Document(dataDir+ "AddImage.pdf");
//set coordinates
int lowerLeftX = 100;
int lowerLeftY = 100;
int upperRightX = 200;
int upperRightY = 200;
//get the page where image needs to be added
Page page = pdfDocument.Pages[1];
//load image into stream
FileStream imageStream = new FileStream(dataDir + "aspose-logo.jpg", FileMode.Open);
//add image to Images collection of Page Resources
page.Resources.Images.Add(imageStream);
//using GSave operator: this operator saves current graphics state
page.Contents.Add(new Operator.GSave());
//create Rectangle and Matrix objects
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(lowerLeftX, lowerLeftY, upperRightX, upperRightY);
Aspose.Pdf.DOM.Matrix matrix = new Aspose.Pdf.DOM.Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
//using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new Operator.ConcatenateMatrix(matrix));
XImage ximage = page.Resources.Images[page.Resources.Images.Count];
//using Do operator: this operator draws image
page.Contents.Add(new Operator.Do(ximage.Name));
//using GRestore operator: this operator restores graphics state
page.Contents.Add(new Operator.GRestore());
//save updated document
pdfDocument.Save(dataDir + "AddImage_out.pdf");
}
private void AddPage(Document pdfDocument, string filePath)
{
var imageInfo = GetImageInfoEx(filePath);
var page = pdfDocument.Pages.Add();
// Resize page, or we have default A4 Size
page.SetPageSize(imageInfo.PageSize.Width, imageInfo.PageSize.Height);
// add image to Images collection of Page Resources
page.Resources.Images.Add(imageInfo.Stream);
// using GSave operator: this operator saves current graphics state
page.Contents.Add(new Operator.GSave());
// create Rectangle and Matrix objects
var rectangle = new Rectangle(0, 0, imageInfo.PageSize.Width, imageInfo.PageSize.Height);
var matrix = new Matrix(new[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
// using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new Operator.ConcatenateMatrix(matrix));
var ximage = page.Resources.Images[page.Resources.Images.Count];
// using Do operator: this operator draws image
page.Contents.Add(new Operator.Do(ximage.Name));
// using GRestore operator: this operator restores graphics state
page.Contents.Add(new Operator.GRestore());
page.FreeMemory();
Log.Verbose("Added page to pdf document {documentName}", pdfDocument.FileName);
}
public static void Run()
{
// ExStart:ZoomToPageContents
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Pages();
// Load source PDF file
Document doc = new Document(dataDir + "input.pdf");
// Get rectangular region of first page of PDF
Aspose.Pdf.Rectangle rect = doc.Pages[1].Rect;
// Instantiate PdfPageEditor instance
PdfPageEditor ppe = new PdfPageEditor();
// Bind source PDF
ppe.BindPdf(dataDir + "input.pdf");
// Set zoom coefficient
ppe.Zoom = (float)(rect.Width / rect.Height);
// Update page size
ppe.PageSize = new Aspose.Pdf.PageSize((float)rect.Height, (float)rect.Width);
dataDir = dataDir + "ZoomToPageContents_out_.pdf";
// Save output file
doc.Save(dataDir);
// ExEnd:ZoomToPageContents
System.Console.WriteLine("\nZoom to page contents applied successfully.\nFile saved at " + dataDir);
}
public static void Run()
{
// ExStart:GetFieldsFromRegion
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Forms();
// Open pdf file
Aspose.Pdf.Document doc = new Aspose.Pdf.Document(dataDir + "GetFieldsFromRegion.pdf");
// Create rectangle object to get fields in that area
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(35, 30, 500, 500);
// Get the PDF form
Aspose.Pdf.Forms.Form form = doc.Form;
// Get fields in the rectangular area
Aspose.Pdf.Forms.Field[] fields = form.GetFieldsInRect(rectangle);
// Display Field names and values
foreach (Field field in fields)
{
// Display image placement properties for all placements
Console.Out.WriteLine("Field Name: " + field.FullName + "-" + "Field Value: " + field.Value);
}
// ExEnd:GetFieldsFromRegion
}
public static void Run()
{
// ExStart:ConvertPageRegionToDOM
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Images();
// Open document
Document document = new Document(dataDir + "AddImage.pdf");
// Get rectangle of particular page region
Aspose.Pdf.Rectangle pageRect = new Aspose.Pdf.Rectangle(20, 671, 693, 1125);
// Set CropBox value as per rectangle of desired page region
document.Pages[1].CropBox = pageRect;
// Save cropped document into stream
MemoryStream ms = new MemoryStream();
document.Save(ms);
// Open cropped PDF document and convert to image
document = new Document(ms);
// Create Resolution object
Resolution resolution = new Resolution(300);
// Create PNG device with specified attributes
PngDevice pngDevice = new PngDevice(resolution);
dataDir = dataDir + "ConvertPageRegionToDOM_out_.png";
// Convert a particular page and save the image to stream
pngDevice.Process(document.Pages[1], dataDir);
ms.Close();
// ExEnd:ConvertPageRegionToDOM
Console.WriteLine("\nPage region converted to DOM successfully.\nFile saved at " + dataDir);
}
public static void Main(string[] args)
{
// The path to the documents directory.
string dataDir = Path.GetFullPath("../../../Data/");
//Open pdf file
Aspose.Pdf.Document doc = new Aspose.Pdf.Document(dataDir + "input.pdf");
//Create rectangle object to get fields in that area
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(35, 30, 500, 500);
//Get the PDF form
Aspose.Pdf.InteractiveFeatures.Forms.Form form = doc.Form;
//get fields in the rectangular area
Aspose.Pdf.InteractiveFeatures.Forms.Field[] fields = form.GetFieldsInRect(rectangle);
//Display Field names and values
foreach (Field field in fields)
{
//Display image placement properties for all placements
Console.Out.WriteLine("Field Name: " + field.FullName + "-" + "Field Value: " + field.Value);
}
}
public static void Run()
{
// ExStart:ChangeOrientation
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Pages();
Document doc = new Document(dataDir + "input.pdf");
foreach (Page page in doc.Pages)
{
Aspose.Pdf.Rectangle r = page.MediaBox;
double newHeight = r.Width;
double newWidth = r.Height;
double newLLX = r.LLX;
// We must to move page upper in order to compensate changing page size
// (lower edge of the page is 0,0 and information is usually placed from the
// Top of the page. That's why we move lover edge upper on difference between
// Old and new height.
double newLLY = r.LLY + (r.Height - newHeight);
page.MediaBox = new Aspose.Pdf.Rectangle(newLLX, newLLY, newLLX + newWidth, newLLY + newHeight);
// Sometimes we also need to set CropBox (if it was set in original file)
page.CropBox = new Aspose.Pdf.Rectangle(newLLX, newLLY, newLLX + newWidth, newLLY + newHeight);
// Setting Rotation angle of page
page.Rotate = Rotation.on90;
}
dataDir = dataDir + "ChangeOrientation_out.pdf";
// Save output file
doc.Save(dataDir);
// ExEnd:ChangeOrientation
System.Console.WriteLine("\nPage orientation changed successfully.\nFile saved at " + dataDir);
}
public static void Run()
{
// ExStart:StrikeOutWords
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Annotations();
// Open document
Document document = new Document(dataDir + "input.pdf");
// Create TextFragment Absorber instance to search particular text fragment
Aspose.Pdf.Text.TextFragmentAbsorber textFragmentAbsorber = new Aspose.Pdf.Text.TextFragmentAbsorber("Estoque");
// Iterate through pages of PDF document
for (int i = 1; i <= document.Pages.Count; i++)
{
// Get first page of PDF document
Page page = document.Pages[1];
page.Accept(textFragmentAbsorber);
}
// Create a collection of Absorbed text
Aspose.Pdf.Text.TextFragmentCollection textFragmentCollection = textFragmentAbsorber.TextFragments;
// Iterate on above collection
for (int j = 1; j <= textFragmentCollection.Count; j++)
{
Aspose.Pdf.Text.TextFragment textFragment = textFragmentCollection[j];
// Get rectangular dimensions of TextFragment object
Aspose.Pdf.Rectangle rect = new Aspose.Pdf.Rectangle(
(float)textFragment.Position.XIndent,
(float)textFragment.Position.YIndent,
(float)textFragment.Position.XIndent +
(float)textFragment.Rectangle.Width,
(float)textFragment.Position.YIndent +
(float)textFragment.Rectangle.Height);
// Instantiate StrikeOut Annotation instance
StrikeOutAnnotation strikeOut = new StrikeOutAnnotation(textFragment.Page, rect);
// Set opacity for annotation
strikeOut.Opacity = .80f;
// Set the border for annotation instance
strikeOut.Border = new Border(strikeOut);
// Set the color of annotation
strikeOut.Color = Aspose.Pdf.Color.Red;
// Add annotation to annotations collection of TextFragment
textFragment.Page.Annotations.Add(strikeOut);
}
dataDir = dataDir + "StrikeOutWords_out.pdf";
document.Save(dataDir);
// ExEnd:StrikeOutWords
Console.WriteLine("\nWords strikeout successfully.\nFile saved at " + dataDir);
}
public static string TestReadGAC_BAK(string path)
{
List <string> l = new List <string>();
Document pdfDocument = new Aspose.Pdf.Document(path);
Aspose.Pdf.Text.TextFragmentAbsorber textFragmentAbsorberAddress = new Aspose.Pdf.Text.TextFragmentAbsorber();
double width = 50d;
double height = 30d;
double x = 20d;
double y = 585d;
for (int i = 0; i < 3; i++)
{
// textFragmentAbsorberAddress.TextSearchOptions.LimitToPageBounds = true;
textFragmentAbsorberAddress.TextSearchOptions.LimitToPageBounds = false;
var rectangle = new Aspose.Pdf.Rectangle
(
//llx: x,
//lly: y - i * height,
//urx: width,
//ury: height
llx: width,
lly: height,
urx: x,
ury: y - i * height
);
textFragmentAbsorberAddress.TextSearchOptions.Rectangle = rectangle;
pdfDocument.Pages[1].Accept(textFragmentAbsorberAddress);
foreach (Aspose.Pdf.Text.TextFragment tf in textFragmentAbsorberAddress.TextFragments)
{
l.Add(tf.Text);
}
}
l = l.Distinct().ToList();
if (l.Count > 0)
{
return(l[0]);
}
else
{
return(string.Empty);
}
}
public static void Run()
{
// ExStart:StrikeOutWords
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Annotations();
// Open document
Document document = new Document(dataDir + "input.pdf");
// Create TextFragment Absorber instance to search particular text fragment
Aspose.Pdf.Text.TextFragmentAbsorber textFragmentAbsorber = new Aspose.Pdf.Text.TextFragmentAbsorber("Estoque");
// Iterate through pages of PDF document
for (int i = 1; i <= document.Pages.Count; i++)
{
// Get first page of PDF document
Page page = document.Pages[1];
page.Accept(textFragmentAbsorber);
}
// Create a collection of Absorbed text
Aspose.Pdf.Text.TextFragmentCollection textFragmentCollection = textFragmentAbsorber.TextFragments;
// Iterate on above collection
for (int j = 1; j <= textFragmentCollection.Count; j++)
{
Aspose.Pdf.Text.TextFragment textFragment = textFragmentCollection[j];
// Get rectangular dimensions of TextFragment object
Aspose.Pdf.Rectangle rect = new Aspose.Pdf.Rectangle(
(float)textFragment.Position.XIndent,
(float)textFragment.Position.YIndent,
(float)textFragment.Position.XIndent +
(float)textFragment.Rectangle.Width,
(float)textFragment.Position.YIndent +
(float)textFragment.Rectangle.Height);
// Instantiate StrikeOut Annotation instance
StrikeOutAnnotation strikeOut = new StrikeOutAnnotation(textFragment.Page, rect);
// Set opacity for annotation
strikeOut.Opacity = .80f;
// Set the border for annotation instance
strikeOut.Border = new Border(strikeOut);
// Set the color of annotation
strikeOut.Color = Aspose.Pdf.Color.Red;
// Add annotation to annotations collection of TextFragment
textFragment.Page.Annotations.Add(strikeOut);
}
dataDir = dataDir + "StrikeOutWords_out.pdf";
document.Save(dataDir);
// ExEnd:StrikeOutWords
Console.WriteLine("\nWords strikeout successfully.\nFile saved at " + dataDir);
}
public static bool ConverToPdf(List <String> files, string target, AsposeConvertDelegate d = null)
{
logger.Info("ConverToPdf - files=" + files.Count + " , target=" + target);
double percent = 0.0;
int page = 0;
int total = 0;
double second = 0;
string path = "";
string message = "";
DateTime startTime = DateTime.Now;
if (File.Exists(target))
{
FileInfo fi = new FileInfo(target);
fi.Delete();
logger.Debug("ConverToPdf - delete - fileName=" + fi.FullName);
}
Document document = new Document();
total = files.Count;
if (d != null)
{
second = (DateTime.Now - startTime).TotalSeconds;
percent = 0.2;
message = "开始添加文件，共" + total + "页！";
d.Invoke(percent, page, total, second, path, message);
}
for (page = 0; page < total; page++)
{
path = files[page];
Page pdfPage = document.Pages.Insert(page + 1);
BitmapImage bitemap = new BitmapImage();
bitemap.BeginInit();
bitemap.StreamSource = new FileStream(path, FileMode.Open);
bitemap.EndInit();
logger.Debug("ConverToPdf - PixelWidth=" + bitemap.PixelWidth + ", PixelHeight=" + bitemap.PixelHeight + ", path=" + path);
Aspose.Pdf.Rectangle rec = new Aspose.Pdf.Rectangle(0, 0, bitemap.PixelWidth, bitemap.PixelHeight);
pdfPage.SetPageSize(bitemap.PixelWidth, bitemap.PixelHeight);
pdfPage.AddImage(bitemap.StreamSource, rec, bitemap.PixelWidth, bitemap.PixelHeight, true);
if (d != null)
{
second = (DateTime.Now - startTime).TotalSeconds;
percent = 0.2 + (page + 1) * 0.8 / total;
message = "正在添加第" + (page + 1) + "/" + total + "个文件！";
d.Invoke(percent, (page + 1), total, second, path, message);
}
}
document.Save(target);
return(true);
}
static void Main(string[] args)
{
// Instantiate License class and call its SetLicense method to use the license
//Aspose.Pdf.License license = new Aspose.Pdf.License();
//license.SetLicense("Aspose.Pdf.lic");
#region Чушня
// Set coordinates
int lowerLeftX = 100;
int lowerLeftY = 100;
int upperRightX = 200;
int upperRightY = 200;
#endregion
var document = new Document(new FileStream(_cleanPath, FileMode.Open, FileAccess.Read, FileShare.None));
//var imageStream = new FileStream($"{_testPath}\\1.jpeg", FileMode.Open, FileAccess.Read, FileShare.None);
var imageStream = new FileStream(Path.Combine(_testPath, _svgHerb), FileMode.Open, FileAccess.Read, FileShare.None);
document.Pages.Add();
// последняя страница
var page = document.Pages[document.Pages.Count - 1];
page.Resources.Images.Add(imageStream);
page.Contents.Add(new Aspose.Pdf.Operators.GSave());
#region Чушня
// Create Rectangle and Matrix objects
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(lowerLeftX, lowerLeftY, upperRightX, upperRightY);
Matrix matrix = new Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
// Using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new Aspose.Pdf.Operators.ConcatenateMatrix(matrix));
XImage ximage = page.Resources.Images[page.Resources.Images.Count];
// Using Do operator: this operator draws image
page.Contents.Add(new Aspose.Pdf.Operators.Do(ximage.Name));
// Using GRestore operator: this operator restores graphics state
page.Contents.Add(new Aspose.Pdf.Operators.GRestore());
#endregion
document.Save(_output);
}
/// <summary>
/// Generate a non- PDF/UA compliant PDF for use in demo
/// </summary>
/// <param name="outputFilePath">Full output path including filename with extension</param>
public static void CreateDemoNonCompliantPdfFile(string outputFilePath)
{
var pdfDoc = new Document();
pdfDoc.Pages.Add();
var pageOne = pdfDoc.Pages[1];
#region Add image
int lowerLeftX = 100;
int lowerLeftY = 680;
int upperRightX = 200;
int upperRightY = 780;
FileStream imageStream = new FileStream("aspose.png", FileMode.Open);
pageOne.Resources.Images.Add(imageStream);
pageOne.Contents.Add(new Aspose.Pdf.Operators.GSave());
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(lowerLeftX, lowerLeftY, upperRightX, upperRightY);
Matrix matrix = new Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
pageOne.Contents.Add(new Aspose.Pdf.Operators.ConcatenateMatrix(matrix));
XImage ximage = pageOne.Resources.Images[pageOne.Resources.Images.Count];
pageOne.Contents.Add(new Aspose.Pdf.Operators.Do(ximage.Name));
pageOne.Contents.Add(new Aspose.Pdf.Operators.GRestore());
#endregion
#region Add text fragments
var textFragmentOne = new TextFragment("Some large indigo text for our header.");
textFragmentOne.Position = new Position(100, 800);
textFragmentOne.TextState.FontSize = 24;
textFragmentOne.TextState.Font = FontRepository.FindFont("TimesNewRoman");
textFragmentOne.TextState.ForegroundColor = Aspose.Pdf.Color.FromRgb(System.Drawing.Color.Indigo);
var textFragmentTwo = new TextFragment("Some smaller blue text in a non-tagged document.");
textFragmentTwo.Position = new Position(100, 660);
textFragmentTwo.TextState.FontSize = 12;
textFragmentTwo.TextState.Font = FontRepository.FindFont("TimesNewRoman");
textFragmentTwo.TextState.ForegroundColor = Aspose.Pdf.Color.FromRgb(System.Drawing.Color.Blue);
var textBuilder = new TextBuilder(pageOne);
textBuilder.AppendText(textFragmentOne);
textBuilder.AppendText(textFragmentTwo);
#endregion
pdfDoc.Save(outputFilePath);
}
public static void Run()
{
// ExStart:AddImage
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Images();
// Open document
Document pdfDocument = new Document(dataDir + "AddImage.pdf");
// Set coordinates
int lowerLeftX = 100;
int lowerLeftY = 100;
int upperRightX = 200;
int upperRightY = 200;
// Get the page where image needs to be added
Page page = pdfDocument.Pages[1];
// Load image into stream
FileStream imageStream = new FileStream(dataDir + "aspose-logo.jpg", FileMode.Open);
// Add image to Images collection of Page Resources
page.Resources.Images.Add(imageStream);
// Using GSave operator: this operator saves current graphics state
page.Contents.Add(new Operator.GSave());
// Create Rectangle and Matrix objects
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(lowerLeftX, lowerLeftY, upperRightX, upperRightY);
Matrix matrix = new Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
// Using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new Operator.ConcatenateMatrix(matrix));
XImage ximage = page.Resources.Images[page.Resources.Images.Count];
// Using Do operator: this operator draws image
page.Contents.Add(new Operator.Do(ximage.Name));
// Using GRestore operator: this operator restores graphics state
page.Contents.Add(new Operator.GRestore());
dataDir = dataDir + "AddImage_out_.pdf";
// Save updated document
pdfDocument.Save(dataDir);
// ExEnd:AddImage
Console.WriteLine("\nImage added successfully.\nFile saved at " + dataDir);
}
public static void Run()
{
// ExStart:AddlnkAnnotation
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Annotations();
Document doc = new Document();
Page pdfPage = doc.Pages.Add();
System.Drawing.Rectangle drect = new System.Drawing.Rectangle();
drect.Height = (int)pdfPage.Rect.Height;
drect.Width = (int)pdfPage.Rect.Width;
drect.X = 0;
drect.Y = 0;
Aspose.Pdf.Rectangle arect = Aspose.Pdf.Rectangle.FromRect(drect);
IList <Point[]> inkList = new List <Point[]>();
Aspose.Pdf.Point[] arrpt = new Aspose.Pdf.Point[3];
inkList.Add(arrpt);
arrpt[0] = new Aspose.Pdf.Point(100, 800);
arrpt[1] = new Aspose.Pdf.Point(200, 800);
arrpt[2] = new Aspose.Pdf.Point(200, 700);
InkAnnotation ia = new InkAnnotation(pdfPage, arect, inkList);
ia.Title = "XXX";
ia.Color = Aspose.Pdf.Color.LightBlue; // (GetColorFromString(stroke.InkColor));
ia.CapStyle = CapStyle.Rounded;
Border border = new Border(ia);
border.Width = 25;
ia.Opacity = 0.5;
pdfPage.Annotations.Add(ia);
dataDir = dataDir + "AddlnkAnnotation_out.pdf";
// Save output file
doc.Save(dataDir);
// ExEnd:AddlnkAnnotation
Console.WriteLine("\nlnk annotation added successfully.\nFile saved at " + dataDir);
}
private MemoryStream AddWatermarkToFile(Document pdfDocument, ref PdfFileStamp pdfStamp, string sUserName, DateTime dtCurrentDate, string sCompany)
{
string sTextDate = dtCurrentDate.ToString("dd/MM/yyyy HH:mm:ss", CultureInfo.InvariantCulture);
FormattedText wtext = new FormattedText("Confidential", new FontColor(220, 20, 60), new FontColor(255, 255, 255),
Aspose.Pdf.Facades.FontStyle.HelveticaBold,
EncodingType.Winansi, true, 35);
wtext.AddNewLineText(sUserName, 5);
wtext.AddNewLineText(sTextDate, 5);
int nPageCount = 1;
foreach (Aspose.Pdf.Page pg in pdfDocument.Pages)
{
//get the page size position for each page
Aspose.Pdf.Rectangle rtPage = pg.TrimBox;
AddWatermarkToPage(rtPage.Width, rtPage.Height, pg, sUserName, sTextDate);
nPageCount++;
}
MemoryStream outStream = new MemoryStream();
//save updated PDF file
DocumentPrivilege pv = null;
pv = DocumentPrivilege.AllowAll;
pv.ChangeAllowLevel = 0;
pv.CopyAllowLevel = 1;
pv.PrintAllowLevel = 2;
pdfStamp.Document.Encrypt("", new Guid().ToString(), pv, CryptoAlgorithm.RC4x128, false);
pdfStamp.Save(outStream);
return(outStream);
}
public static void Main(string[] args)
{
// The path to the documents directory.
string dataDir = Path.GetFullPath("../../../Data/");
//open document
Document pdfDocument = new Document(dataDir + "input.pdf");
//set coordinates
int lowerLeftX = 100;
int lowerLeftY = 100;
int upperRightX = 200;
int upperRightY = 200;
//get the page where image needs to be added
Page page = pdfDocument.Pages[1];
//load image into stream
FileStream imageStream = new FileStream(dataDir + "aspose-logo.jpg", FileMode.Open);
//add image to Images collection of Page Resources
page.Resources.Images.Add(imageStream);
//using GSave operator: this operator saves current graphics state
page.Contents.Add(new Operator.GSave());
//create Rectangle and Matrix objects
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(lowerLeftX, lowerLeftY, upperRightX, upperRightY);
Matrix matrix = new Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
//using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new Operator.ConcatenateMatrix(matrix));
XImage ximage = page.Resources.Images[page.Resources.Images.Count];
//using Do operator: this operator draws image
page.Contents.Add(new Operator.Do(ximage.Name));
//using GRestore operator: this operator restores graphics state
page.Contents.Add(new Operator.GRestore());
//save updated document
pdfDocument.Save(dataDir + "output.pdf");
}
public static void Main(string[] args)
{
// The path to the documents directory.
string dataDir = Path.GetFullPath("../../../Data/");
//Open pdf file
Aspose.Pdf.Document doc = new Aspose.Pdf.Document(dataDir + "input.pdf");
//Create rectangle object to get fields in that area
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(35, 30, 500, 500);
//Get the PDF form
Aspose.Pdf.InteractiveFeatures.Forms.Form form = doc.Form;
//get fields in the rectangular area
Aspose.Pdf.InteractiveFeatures.Forms.Field[] fields = form.GetFieldsInRect(rectangle);
//Display Field names and values
foreach (Field field in fields)
{
//Display image placement properties for all placements
Console.Out.WriteLine("Field Name: " + field.FullName + "-" + "Field Value: " + field.Value);
}
}
public static void Run()
{
// ExStart:TrimWhiteSpace
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();
// Load an existing PDF files
Document doc = new Document(dataDir + "input.pdf");
// Render the page to image with 72 DPI
PngDevice device = new PngDevice(new Resolution(72));
using (MemoryStream imageStr = new MemoryStream())
{
device.Process(doc.Pages[1], imageStr);
Bitmap bmp = (Bitmap)Bitmap.FromStream(imageStr);
System.Drawing.Imaging.BitmapData imageBitmapData = null;
// Determine white areas
try
{
imageBitmapData = bmp.LockBits(new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height),
System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppRgb);
Aspose.Pdf.Rectangle prevCropBox = doc.Pages[1].CropBox;
int toHeight = bmp.Height;
int toWidth = bmp.Width;
int?leftNonWhite = null;
int?rightNonWhite = null;
int?topNonWhite = null;
int?bottomNonWhite = null;
for (int y = 0; y < toHeight; y++)
{
byte[] imageRowBytes = new byte[imageBitmapData.Stride];
// Copy the row data to byte array
if (IntPtr.Size == 4)
{
System.Runtime.InteropServices.Marshal.Copy(new IntPtr(imageBitmapData.Scan0.ToInt32() + y * imageBitmapData.Stride), imageRowBytes, 0, imageBitmapData.Stride);
}
else
{
System.Runtime.InteropServices.Marshal.Copy(new IntPtr(imageBitmapData.Scan0.ToInt64() + y * imageBitmapData.Stride), imageRowBytes, 0, imageBitmapData.Stride);
}
int?leftNonWhite_row = null;
int?rightNonWhite_row = null;
for (int x = 0; x < toWidth; x++)
{
if (imageRowBytes[x * 4] != 255 ||
imageRowBytes[x * 4 + 1] != 255 ||
imageRowBytes[x * 4 + 2] != 255)
{
if (leftNonWhite_row == null)
{
leftNonWhite_row = x;
}
rightNonWhite_row = x;
}
}
if (leftNonWhite_row != null || rightNonWhite_row != null)
{
if (topNonWhite == null)
{
topNonWhite = y;
}
bottomNonWhite = y;
}
if (leftNonWhite_row != null &&
(leftNonWhite == null || leftNonWhite > leftNonWhite_row))
{
leftNonWhite = leftNonWhite_row;
}
if (rightNonWhite_row != null &&
(rightNonWhite == null || rightNonWhite < rightNonWhite_row))
{
rightNonWhite = rightNonWhite_row;
}
}
leftNonWhite = leftNonWhite ?? 0;
rightNonWhite = rightNonWhite ?? toWidth;
topNonWhite = topNonWhite ?? 0;
bottomNonWhite = bottomNonWhite ?? toHeight;
// Set crop box with correction to previous crop box
doc.Pages[1].CropBox =
new Aspose.Pdf.Rectangle(
leftNonWhite.Value + prevCropBox.LLX,
(toHeight + prevCropBox.LLY) - bottomNonWhite.Value,
rightNonWhite.Value + doc.Pages[1].CropBox.LLX,
(toHeight + prevCropBox.LLY) - topNonWhite.Value
);
}
finally
{
if (imageBitmapData != null)
{
bmp.UnlockBits(imageBitmapData);
}
}
}
dataDir = dataDir + "TrimWhiteSpace_out_.pdf";
// Save the updated document
doc.Save(dataDir);
// ExEnd:TrimWhiteSpace
Console.WriteLine("\nWhite-space trimmed successfully around a page.\nFile saved at " + dataDir);
}
private void debug_createImage(string fileFullName)
{
Document pdfDocument = new Document();
Page page = pdfDocument.Pages.Add();
// Load image into stream
//FileStream imageStream = new FileStream("https://www.shareicon.net/data/48x48/2016/08/05/806939_document_512x512.png", FileMode.Open);
string imageUrl = "https://www.shareicon.net/data/48x48/2016/08/05/806939_document_512x512.png";
/*
* // Creates an HttpWebRequest with the specified URL.
* HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create(imageUrl);
* // Sends the HttpWebRequest and waits for the response.
* HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();
* // Gets the stream associated with the response.
* Stream imageStream = myHttpWebResponse.GetResponseStream();
*/
using (WebClient webClient = new WebClient())
{
//var watch = System.Diagnostics.Stopwatch.StartNew();
byte[] data = webClient.DownloadData(imageUrl);
using (MemoryStream imageStream = new MemoryStream(data))
{
// Add image to Images collection of Page Resources
page.Resources.Images.Add(imageStream);
//Console.WriteLine(imageData.Length + " bytes received");
}
//watch.Stop();
//Console.WriteLine("Total Execution Time :{0}", watch.ElapsedMilliseconds);
}
int lowerLeftX = 100;
int lowerLeftY = 600;
int upperRightX = 148;
int upperRightY = 648;
// Using GSave operator: this operator saves current graphics state
page.Contents.Add(new Operator.GSave());
// Create Rectangle and Matrix objects
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(lowerLeftX, lowerLeftY, upperRightX, upperRightY);
Matrix matrix = new Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
// Using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new Operator.ConcatenateMatrix(matrix));
XImage ximage = page.Resources.Images[page.Resources.Images.Count];
// Using Do operator: this operator draws image
page.Contents.Add(new Operator.Do(ximage.Name));
// Using GRestore operator: this operator restores graphics state
page.Contents.Add(new Operator.GRestore());
// Save updated document
pdfDocument.Save(fileFullName);
}
public static void Run()
{
try
{
// ExStart:HighlightCharacterInPDF
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Text();
int resolution = 150;
Aspose.Pdf.Document pdfDocument = new Aspose.Pdf.Document(dataDir + "input.pdf");
using (MemoryStream ms = new MemoryStream())
{
PdfConverter conv = new PdfConverter(pdfDocument);
conv.Resolution = new Resolution(resolution, resolution);
conv.GetNextImage(ms, System.Drawing.Imaging.ImageFormat.Png);
Bitmap bmp = (Bitmap)Bitmap.FromStream(ms);
using (System.Drawing.Graphics gr = System.Drawing.Graphics.FromImage(bmp))
{
float scale = resolution / 72f;
gr.Transform = new System.Drawing.Drawing2D.Matrix(scale, 0, 0, -scale, 0, bmp.Height);
for (int i = 0; i < pdfDocument.Pages.Count; i++)
{
Page page = pdfDocument.Pages[1];
// Create TextAbsorber object to find all words
TextFragmentAbsorber textFragmentAbsorber = new TextFragmentAbsorber(@"[\S]+");
textFragmentAbsorber.TextSearchOptions.IsRegularExpressionUsed = true;
page.Accept(textFragmentAbsorber);
// Get the extracted text fragments
TextFragmentCollection textFragmentCollection = textFragmentAbsorber.TextFragments;
// Loop through the fragments
foreach (TextFragment textFragment in textFragmentCollection)
{
if (i == 0)
{
gr.DrawRectangle(
Pens.Yellow,
(float)textFragment.Position.XIndent,
(float)textFragment.Position.YIndent,
(float)textFragment.Rectangle.Width,
(float)textFragment.Rectangle.Height);
for (int segNum = 1; segNum <= textFragment.Segments.Count; segNum++)
{
TextSegment segment = textFragment.Segments[segNum];
for (int charNum = 1; charNum <= segment.Characters.Count; charNum++)
{
CharInfo characterInfo = segment.Characters[charNum];
Aspose.Pdf.Rectangle rect = page.GetPageRect(true);
Console.WriteLine("TextFragment = " + textFragment.Text + " Page URY = " + rect.URY +
" TextFragment URY = " + textFragment.Rectangle.URY);
gr.DrawRectangle(
Pens.Black,
(float)characterInfo.Rectangle.LLX,
(float)characterInfo.Rectangle.LLY,
(float)characterInfo.Rectangle.Width,
(float)characterInfo.Rectangle.Height);
}
gr.DrawRectangle(
Pens.Green,
(float)segment.Rectangle.LLX,
(float)segment.Rectangle.LLY,
(float)segment.Rectangle.Width,
(float)segment.Rectangle.Height);
}
}
}
}
}
dataDir = dataDir + "HighlightCharacterInPDF_out.png";
bmp.Save(dataDir, System.Drawing.Imaging.ImageFormat.Png);
}
// ExEnd:HighlightCharacterInPDF
Console.WriteLine("\nCharacters highlighted successfully in pdf document.\nFile saved at " + dataDir);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + "\nThis example will only work if you apply a valid Aspose License. You can purchase full license or get 30 day temporary license from http:// Www.aspose.com/purchase/default.aspx.");
}
}
public void TrimSpace(Document doc, int i)
{
// Render the page to image with 72 DPI
PngDevice device = new PngDevice(new Resolution(72));
using (MemoryStream imageStr = new MemoryStream())
{
device.Process(doc.Pages[i], imageStr);
Bitmap bmp = (Bitmap)Bitmap.FromStream(imageStr);
System.Drawing.Imaging.BitmapData imageBitmapData = null;
// Determine white areas
try
{
imageBitmapData = bmp.LockBits(new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height),
System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppRgb);
Aspose.Pdf.Rectangle prevCropBox = doc.Pages[i].CropBox;
int toHeight = bmp.Height;
int toWidth = bmp.Width;
int?leftNonWhite = null;
int?rightNonWhite = null;
int?topNonWhite = null;
int?bottomNonWhite = null;
for (int y = 0; y < toHeight; y++)
{
byte[] imageRowBytes = new byte[imageBitmapData.Stride];
// Copy the row data to byte array
if (IntPtr.Size == 4)
{
System.Runtime.InteropServices.Marshal.Copy(new IntPtr(imageBitmapData.Scan0.ToInt32() + y * imageBitmapData.Stride), imageRowBytes, 0, imageBitmapData.Stride);
}
else
{
System.Runtime.InteropServices.Marshal.Copy(new IntPtr(imageBitmapData.Scan0.ToInt64() + y * imageBitmapData.Stride), imageRowBytes, 0, imageBitmapData.Stride);
}
int?leftNonWhite_row = null;
int?rightNonWhite_row = null;
for (int x = 0; x < toWidth; x++)
{
if (imageRowBytes[x * 4] != 255 ||
imageRowBytes[x * 4 + 1] != 255 ||
imageRowBytes[x * 4 + 2] != 255)
{
if (leftNonWhite_row == null)
{
leftNonWhite_row = x;
}
rightNonWhite_row = x;
}
}
if (leftNonWhite_row != null || rightNonWhite_row != null)
{
if (topNonWhite == null)
{
topNonWhite = y;
}
bottomNonWhite = y;
}
if (leftNonWhite_row != null &&
(leftNonWhite == null || leftNonWhite > leftNonWhite_row))
{
leftNonWhite = leftNonWhite_row;
}
if (rightNonWhite_row != null &&
(rightNonWhite == null || rightNonWhite < rightNonWhite_row))
{
rightNonWhite = rightNonWhite_row;
}
}
leftNonWhite = leftNonWhite ?? 0;
rightNonWhite = rightNonWhite ?? toWidth;
topNonWhite = topNonWhite ?? 0;
bottomNonWhite = bottomNonWhite ?? toHeight;
// Set crop box with correction to previous crop box
doc.Pages[i].CropBox =
new Aspose.Pdf.Rectangle(
leftNonWhite.Value + prevCropBox.LLX,
(toHeight + prevCropBox.LLY) - bottomNonWhite.Value,
rightNonWhite.Value + doc.Pages[i].CropBox.LLX,
(toHeight + prevCropBox.LLY) - topNonWhite.Value
);
}
finally
{
if (imageBitmapData != null)
{
bmp.UnlockBits(imageBitmapData);
}
}
}
// Save the document
doc.Save(@"D:\hoctap\webasp\CongVan\CongVan\Areas\Admin\Files\Tmp\spacePdf" + i + ".pdf");
}