public Form1()
{
InitializeComponent();
dha.nSize = System.Runtime.InteropServices.Marshal.SizeOf(dha);
dha.nRoundRadius = 2;
PDFXEdit.IUIX_Inst uiInst = (PDFXEdit.IUIX_Inst)pdfCtl.Inst.GetExtension("UIX");
brush = uiInst.CreateNewBrush();
pen = uiInst.CreateNewPen();
brush.Color0 = (uint)ColorTranslator.ToWin32(Color.Blue) | 0xFF000000;
brush.Opacity = 0.3;
brush.BlendType = PDFXEdit.UIX_BlendType.UIX_BlendType_Multiply;
pen.Brush.Color0 = brush.Color0;
pen.Brush.Opacity = 0.9;
pen.Brush.BlendType = PDFXEdit.UIX_BlendType.UIX_BlendType_Multiply;
PDFXEdit.IAUX_Inst auxInst = (PDFXEdit.IAUX_Inst)pdfCtl.Inst.GetExtension("AUX");
mh = auxInst.MathHelper;
dhp = new DrawHighlightOnPagesCallback();
dhp.brush = brush;
dhp.pen = pen;
dhp.mh = mh;
}
public void Stop(bool bFinal)
{
if (doc != null)
{
doc.UnregisterPagesViewDrawCallback(PDFXEdit.PXV_PagesViewDrawStage.PXV_PagesViewDraw_Foreground, this);
doc = null;
}
if (bFinal)
{
quads = null;
poly = null;
brush = null;
pen = null;
}
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
/////////////////////////////////////////////////////////////////////////////////////
// Forced release of all COM-objects that may still captured by Garbage Collector. //
// It is critical to release them before destroying of pdfCtl! //
/////////////////////////////////////////////////////////////////////////////////////
wordsRanges = null;
docHighlighter = null;
brush = null;
pen = null;
dhp.Stop(true);
dhp = null;
mh = null;
GC.Collect();
GC.WaitForPendingFinalizers();
}
private void timer1_Tick(object sender, EventArgs e)
{
PDFXEdit.IPXV_Document doc = pdfCtl.Doc;
if (doc == null)
{
return;
}
PDFXEdit.IPXC_Document cdoc = doc.CoreDoc;
do
{
bool newPage = curPage < 0;
bool newWord = true;
if (!newPage)
{
uint wordsCnt = wordsRanges.Count / 2;
if (smoothHighlight && (curWord >= 0) && ((uint)curWord < wordsCnt))
{
int wl = wordsRanges[(uint)curWord * 2 + 1];
if ((curWordLen + 1) <= wl)
{
newWord = false;
}
}
if (newWord && ((uint)(curWord + 1) >= wordsCnt))
{
newPage = true;
}
}
if (newPage)
{
if ((uint)(curPage + 1) >= cdoc.Pages.Count)
{
timer1.Stop();
endReached = true;
UpdateStartBtn();
return;
}
endReached = false;
curPage++;
PDFXEdit.IPXC_Page page = cdoc.Pages[(uint)curPage];
PDFXEdit.IPXC_PageText pageText = page.GetText(null);
pageSolidHighlight = null;
if (docHighlighter == null)
{
docHighlighter = doc.AddNewHighlighter(PDFXEdit.PXV_DocHighlightType.PXV_DocHighlight_Page);
}
else
{
docHighlighter.Clear();
}
wordsRanges.Clear();
uint charsCnt = pageText.CharsCount;
int wb = -1;
int we = 0;
for (uint i = 0; i < charsCnt; i++)
{
ushort ch = pageText.CharCode[i];
uint flg = pageText.CharFlags[i];
bool lineBegin = ((flg & (uint)(PDFXEdit.PXC_TextCharFlags.TCF_LineBegin)) != 0);
// bool wordSep = ((flg & (uint)(PDFXEdit.PXC_TextCharFlags.TCF_SearchWordSeparator)) != 0);
bool wordSep = ch <= 32 || ch == 160;
if (!wordSep && !lineBegin)
{
if (wb < 0)
{
wb = (int)i;
}
we = (int)i;
}
else
{
if (wb >= 0)
{
wordsRanges.Insert(wb);
wordsRanges.Insert(we - wb + 1);
}
if (wordSep)
{
wb = -1;
}
else // lineBegin==true
{
wb = we = (int)i;
}
}
}
if (wb >= 0)
{
wordsRanges.Insert(wb);
wordsRanges.Insert(we - wb + 1);
}
curWord = -1;
curWordLen = 0;
continue;
}
if (newWord)
{
curWord++;
curWordLen = 0;
}
int wordBegin = wordsRanges[(uint)curWord * 2];
int wordLen = wordsRanges[(uint)curWord * 2 + 1];
if (smoothHighlight)
{
curWordLen++;
}
else
{
curWordLen = wordLen;
}
{
int wb = wordBegin;
int wl = curWordLen;
if (solidHighlight)
{
wb = 0;
wl = wordBegin + curWordLen;
}
if (useDocHighlighter)
{
wordRange.Clear();
wordRange.Insert(wb);
wordRange.Insert(wl);
if (pageSolidHighlight != null)
{
pageSolidHighlight.Remove();
pageSolidHighlight = null;
}
PDFXEdit.IUIX_Brush br = null;
PDFXEdit.IUIX_Pen pn = null;
if (blueHighlight)
{
br = brush;
pn = pen;
}
PDFXEdit.IPXC_Page pg = cdoc.Pages[(uint)curPage];
PDFXEdit.IPXC_PageText pgText = pg.GetText(null);
PDFXEdit.IPXV_DocHighlightItem itm = docHighlighter.Add(pg, wordRange, br, pn, ref dha, (uint)(PDFXEdit.PXV_DocHighlightFlags.PXV_DocHighlightFlag_ShareBrush | PDFXEdit.PXV_DocHighlightFlags.PXV_DocHighlightFlag_SharePen));
// doc.ActiveView.PagesView.Obj.Redraw(); // this line is required for build <= 6.0.322.3. Look for actual dev. build: http://docu-track.co.uk/devbuilds/latest/DevRelease.x32.zip
if (solidHighlight || smoothHighlight)
{
pageSolidHighlight = itm;
}
}
else
{
HighlightQuads(doc, curPage, wb, wl);
}
// ensure visible last selected symbol
EnsureVisibleChar(doc, (uint)curPage, (uint)(wb + wl - 1));
}
break;
}while (true);
}
