78 lines
2.1 KiB
C#
78 lines
2.1 KiB
C#
using System;
|
|
using Paroxe.PdfRenderer.Internal;
|
|
|
|
namespace Paroxe.PdfRenderer
|
|
{
|
|
#if !UNITY_WEBGL
|
|
/// <summary>
|
|
/// Represents the annotation link in a PDF page.
|
|
/// </summary>
|
|
public sealed class PDFLink
|
|
{
|
|
private IntPtr m_NativePointer;
|
|
private PDFPage m_Page;
|
|
private PDFDest m_Dest;
|
|
private PDFAction m_Action;
|
|
private bool m_DestCached;
|
|
private bool m_ActionCached;
|
|
|
|
public PDFLink(PDFPage page, IntPtr nativePointer)
|
|
{
|
|
if (page == null)
|
|
throw new ArgumentNullException("page");
|
|
if (nativePointer == IntPtr.Zero)
|
|
throw new ArgumentNullException("nativePointer");
|
|
|
|
m_Page = page;
|
|
m_NativePointer = nativePointer;
|
|
}
|
|
|
|
public PDFPage Page
|
|
{
|
|
get { return m_Page; }
|
|
}
|
|
|
|
public IntPtr NativePointer
|
|
{
|
|
get { return m_NativePointer; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the named destination assigned to a link. Return null if there is no destination associated with the link,
|
|
/// in this case the application should try GetAction() instead.
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public PDFDest GetDest()
|
|
{
|
|
if (m_DestCached)
|
|
return m_Dest;
|
|
|
|
IntPtr destPtr = NativeMethods.FPDFLink_GetDest(m_Page.Document.NativePointer, m_NativePointer);
|
|
if (destPtr != IntPtr.Zero)
|
|
m_Dest = new PDFDest(this, destPtr);
|
|
|
|
m_DestCached = true;
|
|
|
|
return m_Dest;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the PDF action assigned to a link.
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public PDFAction GetAction()
|
|
{
|
|
if (m_ActionCached)
|
|
return m_Action;
|
|
|
|
IntPtr actionPtr = NativeMethods.FPDFLink_GetAction(m_NativePointer);
|
|
if (actionPtr != IntPtr.Zero)
|
|
m_Action = new PDFAction(this, actionPtr);
|
|
|
|
m_ActionCached = true;
|
|
|
|
return m_Action;
|
|
}
|
|
}
|
|
#endif
|
|
} |