public PDFSearchHandle(PDFTextPage textPage, byte[] findWhatUnicode, int startIndex,
MatchOption flags = MatchOption.NONE)
{
if (textPage == null)
{
throw new NullReferenceException();
}
if (startIndex < 0)
{
throw new ArgumentOutOfRangeException();
}
PDFLibrary.AddRef("PDFSearchHandle");
m_TextPage = textPage;
IntPtr unmanagedPointer = Marshal.AllocHGlobal(findWhatUnicode.Length);
Marshal.Copy(findWhatUnicode, 0, unmanagedPointer, findWhatUnicode.Length);
m_NativePointer = FPDFText_FindStart(textPage.NativePointer, unmanagedPointer, (int)flags, startIndex);
Marshal.FreeHGlobal(unmanagedPointer);
}
void LateUpdate()
{
if (!m_SearchStarted && m_NewSearchRequested)
{
m_CurrentPage = 0;
m_SearchResults = new IList <PDFSearchResult> [m_PageCount];
m_NewSearchRequested = false;
m_SearchStarted = true;
m_AbortRequested = false;
m_Total = 0;
}
if (m_SearchStarted)
{
if (m_AbortRequested)
{
m_SearchStarted = false;
m_NewSearchRequested = false;
m_AbortRequested = false;
m_Total = 0;
return;
}
if (m_NewSearchRequested)
{
m_CurrentPage = 0;
m_SearchResults = new IList <PDFSearchResult> [m_PageCount];
m_NewSearchRequested = false;
m_Total = 0;
}
if (m_Search == null || m_Search.Length == 0)
{
m_SearchStarted = false;
if (OnProgressChanged != null)
{
OnProgressChanged(this, 0);
}
var handler = OnSearchFinished;
if (handler != null)
{
handler(this, null);
}
}
else
{
Stopwatch timer = Stopwatch.StartNew();
for (int i = m_CurrentPage; i < m_PageCount; ++i)
{
using (PDFTextPage textPage = m_Document.GetPage(i).GetTextPage())
{
IList <PDFSearchResult> searchResults = textPage.Search(m_Search, m_Flags);
m_SearchResults[i] = searchResults;
m_Total += searchResults.Count;
++m_CurrentPage;
if (timer.ElapsedMilliseconds >=
m_TimeBudget * 1000.0f * (1.0f / Mathf.Max(Application.targetFrameRate, 1.0f / Time.deltaTime)))
{
if (OnProgressChanged != null)
{
OnProgressChanged(this, m_Total);
}
break;
}
}
}
if (m_CurrentPage + 1 > m_PageCount)
{
m_SearchStarted = false;
if (OnProgressChanged != null)
{
OnProgressChanged(this, m_Total);
}
var handler = OnSearchFinished;
if (handler != null)
{
handler(this, m_SearchResults);
}
if (OnProgressChanged != null)
{
OnProgressChanged(this, m_Total);
}
}
}
}
}
