//private void OnBookmarkSelectionChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
//{
// Bookmark newValue = (Bookmark)e.NewValue;
// if (newValue != null)
// {
// document.Document.Navigator.GoToBookmark(newValue);
// this.destinationRectangle = newValue.GetDestinationRectangle((int)(this.document.Page.Width * this.GlobalScale), (int)(this.document.Page.Height * this.GlobalScale), null);
// }
//}
/// <summary>
/// Updates the view location.
/// </summary>
/// <param name="destinationInfo">The destination info.</param>
private void UpdateViewLocation(Apitron.PDF.Rasterizer.Rectangle destinationInfo)
{
if (destinationInfo == null)
{
this.PageScroller.ScrollToTop();
return;
}
double value = zoomValue;
double scale = value;
double horizontalScale = this.PageScroller.ViewportWidth / this.PageImage.ActualWidth;
double verticalScale = this.PageScroller.ViewportHeight / this.PageImage.ActualHeight;
if (destinationInfo.Bottom != 0 && destinationInfo.Right != this.PageImage.ActualWidth)
{
double expectedHScale = this.PageScroller.ViewportWidth / destinationInfo.Height;
double expectidVScale = this.PageScroller.ViewportHeight / destinationInfo.Width;
horizontalScale = expectedHScale;
verticalScale = expectidVScale;
scale = Math.Min(verticalScale, horizontalScale);
}
this.PageScroller.ScrollToHorizontalOffset(destinationInfo.Left * scale);
this.PageScroller.ScrollToVerticalOffset((this.PageImage.ActualHeight - destinationInfo.Top) * scale);
}
private void SetImageSource(byte[] image, IList <Link> links, int width, int height)
{
BitmapSource source = BitmapSource.Create(width, height, 72, 72, PixelFormats.Bgr32, null, image, 4 * width);
this.PageImage.Source = source;
this.PageImage.Width = width;
this.PageImage.Height = height;
this.PageCanvas.Width = width;
this.PageCanvas.Height = height;
for (int i = 1; i < this.PageCanvas.Children.Count; i++)
{
Button rectangle = (Button)this.PageCanvas.Children[i];
rectangle.Click -= this.OnLinkClick;
}
this.PageCanvas.Children.RemoveRange(1, this.PageCanvas.Children.Count);
foreach (Link link in links)
{
Apitron.PDF.Rasterizer.Rectangle location = link.GetLocationRectangle(width, height, null);
Button rectangle = new Button();
rectangle.Opacity = 0;
rectangle.Cursor = Cursors.Hand;
rectangle.Width = location.Right - location.Left;
rectangle.Height = location.Top - location.Bottom;
Canvas.SetLeft(rectangle, location.Left);
Canvas.SetBottom(rectangle, location.Bottom);
rectangle.Click += this.OnLinkClick;
rectangle.DataContext = link;
this.PageCanvas.Children.Add(rectangle);
}
this.UpdateImageZoom();
this.UpdateViewLocation(this.destinationRectangle);
////Ý tưởng bookmark 1
//Document doc = document.Document;
//DocumentNavigator navigator = doc == null ? null : doc.Navigator;
//navigator.Move(2, Origin.Begin);
}
static void Main(string[] args)
{
// prepare graphics objects
Bitmap renderedPage = null;
Brush highlightBrush = new SolidBrush(Color.FromArgb(126, 255, 255, 0));
// store rendering settings
Resolution renderingResolution = new Resolution(144, 144);
RenderingSettings renderingSettings = new RenderingSettings();
Page firstPage = null;
// a list of rects to highlight
IList <RectangleF> highlightRects = new List <RectangleF>();
// open PDF document
using (FileStream fs = new FileStream("../../files/test.pdf", FileMode.Open, FileAccess.Read,
FileShare.ReadWrite))
{
using (Document doc = new Document(fs))
{
firstPage = doc.Pages[0];
renderedPage = firstPage.Render(renderingResolution, renderingSettings);
// parse links and store highlight rects
foreach (Link link in firstPage.Links)
{
if (link.IsUriLink)
{
Apitron.PDF.Rasterizer.Rectangle locationRect =
link.GetLocationRectangle(renderingResolution, renderingSettings);
highlightRects.Add(TransformToGDIRect(locationRect, renderedPage.Height));
Console.WriteLine(link.DestinationUri);
}
}
}
}
// search text in the same document using regular expression matching URLs
using (SearchIndex search = new SearchIndex(new FileStream("../../files/test.pdf", FileMode.Open, FileAccess.Read,
FileShare.ReadWrite)))
{
search.Search(handlerArgs =>
{
// first page only
if (handlerArgs.PageIndex > 0)
{
handlerArgs.CancelSearch = true;
return;
}
// add highlight rects by processing found items
foreach (SearchResultItem item in handlerArgs.ResultItems)
{
SearchResultRegion searchResultRegion = firstPage.TransformRegion(item.Region, renderingResolution,
renderingSettings);
foreach (double[] block in searchResultRegion.Blocks)
{
float xMin = float.MaxValue;
float yMin = float.MaxValue;
float xMax = float.MinValue;
float yMax = float.MinValue;
for (int i = 0; i < block.Length;)
{
xMin = (float)Math.Min(xMin, block[i]);
xMax = (float)Math.Max(xMax, block[i++]);
yMin = (float)Math.Min(yMin, block[i]);
yMax = (float)Math.Max(yMax, block[i++]);
}
highlightRects.Add(new RectangleF(xMin, yMin, xMax - xMin, yMax - yMin));
}
Console.WriteLine(item.Title);
}
},
new Regex(@"(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?"));
}
// render hightllight rects
HighlightRects(renderedPage, highlightRects, highlightBrush);
renderedPage.Save("renderedPage.png");
Process.Start("renderedPage.png");
Console.WriteLine("Press any key to continue...");
Console.ReadLine();
}
