bool pageViewer1_PreviousPage(object sender)
{
if (doc.CurrentPage > 1)
{
doc.PreviousPage();
doc.RenderPage(pageViewer1.Handle, true);
RenderFinish();
return(true);
}
return(false);
}
public override void Render(int page, Graphics graphics, float dpiX, float dpiY, Rectangle bounds)
{
_document.CurrentPage = page + 1;
_document.RenderDPI = dpiX;
_document.ClientBounds = bounds;
_document.CurrentX = -bounds.Left;
_document.CurrentY = -bounds.Top;
var hdc = graphics.GetHdc();
try
{
// xPDF uses the control to get sizing information. We use
// a dummy control to satisfy this requirement.
_dummyControl.Size = new Size(bounds.Width, 1);
_document.FitToWidth(_dummyControl.Handle);
_document.RenderPage(_dummyControl.Handle);
_document.DrawPageHDC(hdc);
}
finally
{
graphics.ReleaseHdc(hdc);
}
}
public static Image RenderPage(PDFWrapper doc, int page)
{
doc.CurrentPage = page + 1;
doc.CurrentX = 0;
doc.CurrentY = 0;
doc.RenderPage(IntPtr.Zero);
// create an image to draw the page into
var buffer = new Bitmap(doc.PageWidth, doc.PageHeight);
doc.ClientBounds = new Rectangle(0, 0, doc.PageWidth, doc.PageHeight);
using (var g = Graphics.FromImage(buffer))
{
var hdc = g.GetHdc();
try
{
doc.DrawPageHDC(hdc);
}
finally
{
g.ReleaseHdc();
}
}
return(buffer);
}
private void tsbOpen_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "Portable Document Format (*.pdf)|*.pdf";
if (dlg.ShowDialog() == DialogResult.OK)
{
if (_pdfDoc != null)
{
_pdfDoc.Dispose();
_pdfDoc = null;
}
//if (_pdfDoc == null)
//{
_pdfDoc = new PDFWrapper();
_pdfDoc.RenderNotifyFinished += new RenderNotifyFinishedHandler(_pdfDoc_RenderNotifyFinished);
_pdfDoc.PDFLoadCompeted += new PDFLoadCompletedHandler(_pdfDoc_PDFLoadCompeted);
_pdfDoc.PDFLoadBegin += new PDFLoadBeginHandler(_pdfDoc_PDFLoadBegin);
_pdfDoc.UseMuPDF = tsbUseMuPDF.Checked;
//}
//xPDFParams.ErrorQuiet =true;
//xPDFParams.ErrorFile = "C:\\stderr.log";
//}
int ts = Environment.TickCount;
using (StatusBusy sb = new StatusBusy(Resources.UIStrings.StatusLoadingFile))
{
if (LoadFile(dlg.FileName, _pdfDoc))
{
Text = string.Format(Resources.UIStrings.StatusFormCaption, _pdfDoc.Author, _pdfDoc.Title);
FillTree();
_pdfDoc.CurrentPage = 1;
UpdateText();
_pdfDoc.FitToWidth(pageViewControl1.Handle);
_pdfDoc.RenderPage(pageViewControl1.Handle);
Render();
PDFPage pg = _pdfDoc.Pages[1];
listView2.TileSize = new Size(134, (int)(128 * pg.Height / pg.Width) + 10);
listView2.BeginUpdate();
listView2.Clear();
for (int i = 0; i < _pdfDoc.PageCount; ++i)
listView2.Items.Add((i + 1).ToString());
listView2.EndUpdate();
//pg.LoadThumbnail(128, (int)(128 * pg.Height / pg.Width));
}
}
}
}
catch (System.IO.IOException ex)
{
MessageBox.Show(ex.Message, "IOException");
}
catch (System.Security.SecurityException ex)
{
MessageBox.Show(ex.Message, "SecurityException");
}
catch (System.IO.InvalidDataException ex)
{
MessageBox.Show(ex.Message, "InvalidDataException");
}
}
protected Bitmap GetBitmapBase(double Resolution, bool Transparent = true)
{
if (mypdfDoc != null && mypdfDoc.PageCount > 0)
{
double dpi = 72 * Resolution / Consts.ptspertikzunit;
PDFPage p = mypdfDoc.Pages[1];
double pwidth = p.Width, pheight = p.Height;
// the following lines are as in the PDFPage.GetBitmap() function
int width = Convert.ToInt32(pwidth * dpi / 254);
int height = Convert.ToInt32(pheight * dpi / 254);
int safetymargin = 0; // >0 => hack to prevent cropping near boundary
// if we'd need too much memory -> don't proceed
if (width * height > 20e6)
{
GlobalUI.UI.AddStatusLine(this, "Pdf rendering aborted: it's too big!", true);
return(null);
}
//Stopwatch s = new Stopwatch();
//s.Start();
mypdfDoc.RenderDPI = 72 * Resolution / Consts.ptspertikzunit;
//System.Windows.Forms.PictureBox pic = new System.Windows.Forms.PictureBox();
mypdfDoc.CurrentPage = 1;
/*Added since 1.0.6.2*/
mypdfDoc.CurrentX = 0;
mypdfDoc.CurrentY = 0;
mypdfDoc.ClientBounds = new System.Drawing.Rectangle(0, 0, width + safetymargin, height + safetymargin); //new Rectangle(0, 0, mypdfDoc.PageWidth, mypdfDoc.PageHeight);
mypdfDoc.RenderPage(IntPtr.Zero, true); ////pic.Handle); // it works with zero, very strange!!!
//Bitmap bbb = mypdfDoc.Pages[1].GetBitmap(72 * Resolution / Consts.ptspertikzunit, false);
//System.Drawing.Image I = mypdfDoc.Pages[1].GetImage(1);
//System.Drawing.Image I2 = mypdfDoc.Pages[1].GetImage(0);
//if (mypdfDoc.PageWidth * mypdfDoc.PageHeight == 0)
if (height * width == 0)
{
return(null);
}
Bitmap _backbuffer = new System.Drawing.Bitmap(width + safetymargin, height + safetymargin); //new Bitmap(mypdfDoc.PageWidth, mypdfDoc.PageHeight);
using (Graphics g = Graphics.FromImage(_backbuffer))
{
/*New thread safe method*/
mypdfDoc.DrawPageHDC(g.GetHdc());
g.ReleaseHdc();
}
//s.Stop();
//MainWindow.AddStatusLine("DrawpageHdc took " + s.ElapsedMilliseconds + " ms");
//pic.Dispose();
if (Transparent)
{
_backbuffer.MakeTransparent(System.Drawing.Color.White);
_backbuffer.MakeTransparent(System.Drawing.Color.FromArgb(255, 253, 253, 253));
_backbuffer.MakeTransparent(System.Drawing.Color.FromArgb(255, 254, 254, 254));
}
// test
//_backbuffer.Save(@"C:\temp\temp.bmp");
//mypdfDoc.ExportJpg(@"C:\temp\temp.jpg",1,1,75,100,9000);
return(_backbuffer);
}
else
{
return(null);
}
}
private void tsbOpen_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "Portable Document Format (*.pdf)|*.pdf";
if (dlg.ShowDialog() == DialogResult.OK)
{
if (_pdfDoc != null)
{
_pdfDoc.Dispose();
_pdfDoc = null;
}
//if (_pdfDoc == null)
//{
_pdfDoc = new PDFWrapper();
_pdfDoc.RenderNotifyFinished += new RenderNotifyFinishedHandler(_pdfDoc_RenderNotifyFinished);
_pdfDoc.PDFLoadCompeted += new PDFLoadCompletedHandler(_pdfDoc_PDFLoadCompeted);
_pdfDoc.PDFLoadBegin += new PDFLoadBeginHandler(_pdfDoc_PDFLoadBegin);
//}
//xPDFParams.ErrorQuiet =true;
//xPDFParams.ErrorFile = "C:\\stderr.log";
//}
int ts = Environment.TickCount;
using (StatusBusy sb = new StatusBusy(Resources.UIStrings.StatusLoadingFile))
{
if (LoadFile(dlg.FileName, _pdfDoc))
{
Text = string.Format(Resources.UIStrings.StatusFormCaption, _pdfDoc.Author, _pdfDoc.Title);
FillTree();
_pdfDoc.CurrentPage = 1;
UpdateText();
_pdfDoc.FitToWidth(pageViewControl1.Handle);
_pdfDoc.RenderPage(pageViewControl1.Handle);
Render();
PDFPage pg = _pdfDoc.Pages[1];
listView2.TileSize = new Size(134, (int)(128 * pg.Height / pg.Width) + 10);
listView2.BeginUpdate();
listView2.Clear();
for (int i = 0; i < _pdfDoc.PageCount; ++i)
{
listView2.Items.Add((i + 1).ToString());
}
listView2.EndUpdate();
//pg.LoadThumbnail(128, (int)(128 * pg.Height / pg.Width));
}
}
}
}
catch (System.IO.IOException ex)
{
MessageBox.Show(ex.Message, "IOException");
}
catch (System.Security.SecurityException ex)
{
MessageBox.Show(ex.Message, "SecurityException");
}
catch (System.IO.InvalidDataException ex)
{
MessageBox.Show(ex.Message, "InvalidDataException");
}
}
void HookManager_MouseDown(object sender, MouseEventArgs e)
{
Point pos = pageViewControl1.PointToClient(e.Location);
if (_pdfDoc != null && MouseInPage(pos) && e.Button == MouseButtons.Left)
{
PDFLibNet.PageLink link = SearchLink(e.Location);
if (link != null)
{
switch (link.Action.Kind)
{
case LinkActionKind.actionGoTo:
PDFLibNet.PageLinkGoTo plgo = (link.Action as PDFLibNet.PageLinkGoTo);
if (plgo.Destination != null)
{
_pdfDoc.CurrentPage = plgo.Destination.Page;
PointF loc = _pdfDoc.PointUserToDev(new PointF((float)plgo.Destination.Left, (float)plgo.Destination.Top));
if (plgo.Destination.ChangeTop)
{
ScrolltoTop((int)loc.Y);
}
else
{
ScrolltoTop(0);
}
_pdfDoc.RenderPage(pageViewControl1.Handle);
Render();
}
else if (plgo.DestinationName != null)
{
}
break;
case LinkActionKind.actionURI:
PDFLibNet.PageLinkURI uri = (link.Action as PDFLibNet.PageLinkURI);
if (MessageBox.Show("Ejecutar aplicación externa?" + Environment.NewLine + uri.URL, Text, MessageBoxButtons.OKCancel) == DialogResult.OK)
{
System.Diagnostics.Process p = new System.Diagnostics.Process();
p.StartInfo.FileName = GetDefaultBrowserPath();
p.StartInfo.Arguments = uri.URL;
p.Start();
}
break;
}
}
else
{
_pointCurrent = e.Location;
_pointStart = e.Location;
_bMouseCaptured = true;
}
}
}
