public static void Main(string[] args)
{
// The path to the documents directory.
string dataDir = Path.GetFullPath("../../../Data/");
Document doc = new Document(dataDir + "input.pdf");
Page page = doc.Pages[2];
OperatorCollection oc = page.Contents;
// used path-painting operators
Operator[] operators = new Operator[] {
new Operator.Stroke(),
new Operator.ClosePathStroke(),
new Operator.Fill()
};
ArrayList list = new ArrayList();
foreach (Operator op in operators)
{
OperatorSelector os = new OperatorSelector(op);
oc.Accept(os);
list.AddRange(os.Selected);
}
oc.Delete(list);
doc.Save(dataDir + "No_Graphics.pdf");
}
public static void Main(string[] args)
{
// The path to the documents directory.
string dataDir = Path.GetFullPath("../../../Data/");
Document doc = new Document(dataDir+ "input.pdf");
Page page = doc.Pages[2];
OperatorCollection oc = page.Contents;
// used path-painting operators
Operator[] operators = new Operator[] {
new Operator.Stroke(),
new Operator.ClosePathStroke(),
new Operator.Fill()
};
ArrayList list = new ArrayList();
foreach (Operator op in operators)
{
OperatorSelector os = new OperatorSelector(op);
oc.Accept(os);
list.AddRange(os.Selected);
}
oc.Delete(list);
doc.Save(dataDir+ "No_Graphics.pdf");
}
public static void Run()
{
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Operators();
Document doc = new Document(dataDir+ "RemoveGraphicsObjects.pdf");
Page page = doc.Pages[2];
OperatorCollection oc = page.Contents;
// used path-painting operators
Operator[] operators = new Operator[] {
new Operator.Stroke(),
new Operator.ClosePathStroke(),
new Operator.Fill()
};
ArrayList list = new ArrayList();
foreach (Operator op in operators)
{
OperatorSelector os = new OperatorSelector(op);
oc.Accept(os);
list.AddRange(os.Selected);
}
oc.Delete(list);
doc.Save(dataDir+ "No_Graphics.pdf");
}
public static void Run()
{
// ExStart:RemoveGraphicsObjects
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Operators();
Document doc = new Document(dataDir + "RemoveGraphicsObjects.pdf");
Page page = doc.Pages[2];
OperatorCollection oc = page.Contents;
// Used path-painting operators
Operator[] operators = new Operator[] {
new Operator.Stroke(),
new Operator.ClosePathStroke(),
new Operator.Fill()
};
ArrayList list = new ArrayList();
foreach (Operator op in operators)
{
OperatorSelector os = new OperatorSelector(op);
oc.Accept(os);
list.AddRange(os.Selected);
}
oc.Delete(list);
doc.Save(dataDir + "No_Graphics_out.pdf");
// ExEnd:RemoveGraphicsObjects
}
/// <summary>
/// Gets the <paramref name="type" />'s implicit operator of the type specified by the given
/// <paramref name="matcher"/>.
/// </summary>
/// <param name="type">The type from which to retrieve the operator.</param>
/// <param name="matcher">An action specifying the type of implicit operator to retrieve.</param>
/// <returns>
/// The <paramref name="type" />'s implicit operator of the type specified by the given
/// <paramref name="matcher"/>, or null if none exists.
/// </returns>
public static MethodInfo GetImplicitOperator(this Type type, Action <OperatorSelector> matcher)
{
var selector = new OperatorSelector();
matcher?.Invoke(selector);
return(type.GetImplicitOperators().FirstOrDefault(selector.Matches));
}
/// <summary>
/// Gets the <paramref name="type" />'s implicit and explicit operators, optionally of the type
/// specified by the given <paramref name="matcher"/>.
/// </summary>
/// <param name="type">The type from which to retrieve the operators.</param>
/// <param name="matcher">An action specifying the type of implicit operator to retrieve.</param>
/// <returns>The <paramref name="type" />'s implicit and explicit operators.</returns>
public static IEnumerable <MethodInfo> GetOperators(this Type type, Action <OperatorSelector> matcher = null)
{
var operators = type
.GetPublicStaticMembers()
.Filter(m => (m.Name == ImplicitOperatorName) || (m.Name == ExplicitOperatorName))
.OfType <MethodInfo>();
if (matcher == null)
{
return(operators);
}
var selector = new OperatorSelector();
matcher.Invoke(selector);
return(operators.Filter(selector.Matches));
}
public static void Run()
{
// ExStart:1
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Text();
// Open document
Document pdfDocument = new Document(dataDir + "RemoveAllText.pdf");
// Loop through all pages of PDF Document
for (int i = 1; i <= pdfDocument.Pages.Count; i++)
{
Page page = pdfDocument.Pages[i];
OperatorSelector operatorSelector = new OperatorSelector(new Aspose.Pdf.Operators.TextShowOperator());
// Select all text on the page
page.Contents.Accept(operatorSelector);
// Delete all text
page.Contents.Delete(operatorSelector.Selected);
}
// Save the document
pdfDocument.Save(dataDir + "RemoveAllText_out.pdf", Aspose.Pdf.SaveFormat.Pdf);
// ExEnd:1
}