/**
* Creates rich text box while editing FreeText annotation.
*/
private void CreateRichTextBox()
{
if (!docView.EditPermission)
{
return;
}
AnnotationProperties props = docView.ActiveProps;
Datalogics.PDFL.Rect rect = props.BoundingRect;
Datalogics.PDFL.Rect newRect = Utils.Transform(rect, docView.GetPagePdfToWinCoordMatrix(docView.EditPage));
textBox = new RichTextBox();
docView.Controls.Add(textBox);
textBox.Bounds = new Rectangle((int)newRect.LLx, (int)newRect.LLy, (int)newRect.Width, (int)newRect.Height);
textBox.Text = props.Contents;
textBox.BorderStyle = BorderStyle.None;
textBox.TextChanged += new EventHandler(TextBoxTextChanged);
textBox.Leave += new EventHandler(TextBoxLeaveHandler);
textBox.KeyDown += new KeyEventHandler(TextBoxKeyDownHandler);
props.Update += UpdateRichTextBox;
textBox.Visible = true;
textBox.Focus();
UpdateRichTextBox(false);
}
public override void MouseDown(MouseEventArgs e, System.Drawing.Point location)
{
if (!docView.EditPermission)
{
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
int pageNum = docView.GetPageByCoord(location);
if (!captured && pageNum == -1)
{
return;
}
if (!captured) // first click, start point
{
captured = true;
capturedPage = pageNum;
// create initial rectangle
Datalogics.PDFL.Point pdfPoint = docView.ViewToPdf(location, capturedPage);
Datalogics.PDFL.Rect rect = new Datalogics.PDFL.Rect(pdfPoint.H - 1, pdfPoint.V - 1, pdfPoint.H, pdfPoint.V);
properties.BoundingRect = rect;
BaseAnnotationEditor editor = docView.CreateAnnotation(pageNum, properties);
capturedGuide = editor.Guides[2]; // guide: bottom-right corner of rectangle
docView.Invalidate();
}
}
// creates quad by given rect
public static Datalogics.PDFL.Quad Quad(Datalogics.PDFL.Rect rect)
{
return(new Quad(
new Datalogics.PDFL.Point(rect.LLx, rect.URy),
new Datalogics.PDFL.Point(rect.URx, rect.URy),
new Datalogics.PDFL.Point(rect.LLx, rect.LLy),
new Datalogics.PDFL.Point(rect.URx, rect.LLy)));
}
public static Datalogics.PDFL.Rect Transform(Datalogics.PDFL.Rect rect, Datalogics.PDFL.Matrix matrix)
{
Datalogics.PDFL.Point lowerLeft = new Datalogics.PDFL.Point(rect.LLx, rect.LLy);
Datalogics.PDFL.Point upperRight = new Datalogics.PDFL.Point(rect.URx, rect.URy);
lowerLeft = Transform(lowerLeft, matrix);
upperRight = Transform(upperRight, matrix);
Datalogics.PDFL.Rect result = new Datalogics.PDFL.Rect(lowerLeft.H, lowerLeft.V, upperRight.H, upperRight.V);
return(result);
}
public override void MouseDown(MouseEventArgs e, System.Drawing.Point location)
{
if (!docView.EditPermission)
{
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
int pageNum = docView.GetPageByCoord(location);
if (!captured && pageNum == -1)
{
return;
}
if (!captured) // first click, add start & end points, stick end-point to cursor
{
captured = true;
capturedPage = pageNum;
// create 2 initial points
pointCount = 2;
IList <Datalogics.PDFL.Point> vertices = new List <Datalogics.PDFL.Point>();
Datalogics.PDFL.Point pdfPoint = docView.ViewToPdf(location, capturedPage);
vertices.Add(pdfPoint);
vertices.Add(pdfPoint); // end point is equal to start point
Datalogics.PDFL.Rect rect = new Datalogics.PDFL.Rect(pdfPoint.H, pdfPoint.V, pdfPoint.H, pdfPoint.V);
properties.BoundingRect = rect;
properties.Vertices = vertices;
BaseAnnotationEditor editor = docView.CreateAnnotation(pageNum, properties);
capturedGuide = editor.Guides[9]; // endpoint guide
docView.Invalidate();
}
else // every next click - add new point
{
Datalogics.PDFL.Point newVertex = docView.ViewToPdf(location, capturedPage);
++pointCount;
Page page = docView.Document.GetPage(capturedPage);
BaseAnnotationEditor editor = docView.ActiveAnnotation;
IList <Datalogics.PDFL.Point> vertices = editor.Properties.Vertices;
vertices.Add(newVertex);
editor.Properties.Vertices = vertices;
capturedGuide = editor.Guides[8 + pointCount - 1];
docView.Invalidate();
}
}
/**
* Searches for annotation using given location.
* Location - pixel coordinate in view, including scroll offsets.
* Index - index of last annotation found, to increase performance,
* and for prioritized annotation selection
* (it means that even if point belongs to several annotations, the one with given index will be chosen)
*/
private int FindAnnotation(Datalogics.PDFL.Point location, int index)
{
Dictionary <int, BaseAnnotationEditor> editors = docView.EditAnnotations;
if (editors == null)
{
return(-1);
}
if (editors.ContainsKey(index) && (editors[index].TestHit(location).flags != HitFlags.NoHit))
{
return(index);
}
bool firstHit = true;
double distance = 0;
int nearestAnnoIndex = -1;
foreach (BaseAnnotationEditor editor in editors.Values)
{
if ((editor.Index == index) || (editor.TestHit(location).flags == HitFlags.NoHit))
{
continue;
}
Datalogics.PDFL.Rect rect = editor.Properties.BoundingRect;
Datalogics.PDFL.Point center = new Datalogics.PDFL.Point((rect.Left + rect.Right) / 2, (rect.Top + rect.Bottom) / 2);
double d = (center.H - location.H) * (center.H - location.H) + (center.V - location.V) * (center.V - location.V);
if (firstHit)
{
distance = d;
firstHit = false;
nearestAnnoIndex = editor.Index;
}
else if (d < distance)
{
distance = d;
nearestAnnoIndex = editor.Index;
}
}
return(nearestAnnoIndex);
}
public override void MouseDown(MouseEventArgs e, System.Drawing.Point location)
{
int pageNum = docView.GetPageByCoord(location);
if (!captured && pageNum == -1)
{
return;
}
if (!captured)
{
captured = true;
capturedPage = pageNum;
Datalogics.PDFL.Point pdfPoint = docView.ViewToPdf(location, pageNum);
Datalogics.PDFL.Rect rect = new Datalogics.PDFL.Rect(pdfPoint.H - 1, pdfPoint.V - 1, pdfPoint.H, pdfPoint.V);
properties.BoundingRect = rect;
BaseAnnotationEditor editor = docView.CreateAnnotation(pageNum, properties);
capturedGuide = editor.Guides[2]; // guide: bottom-right corner of rectangle
docView.Invalidate();
}
done = true;
}
public override void MouseDown(MouseEventArgs e, System.Drawing.Point location)
{
if (!docView.EditPermission)
{
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
int pageNum = docView.GetPageByCoord(location);
if (!captured && pageNum == -1)
{
return;
}
if (!captured) // first click, put start point, stick endpoint to cursor
{
captured = true;
capturedPage = pageNum;
Datalogics.PDFL.Point pdfStartPoint = docView.ViewToPdf(location, pageNum);
Datalogics.PDFL.Point pdfEndPoint = new Point(pdfStartPoint.H + 1, pdfStartPoint.V + 1);
Datalogics.PDFL.Rect rect = new Datalogics.PDFL.Rect(pdfStartPoint.H, pdfStartPoint.V, pdfEndPoint.H, pdfEndPoint.V);
properties.BoundingRect = rect;
properties.StartPoint = pdfStartPoint;
properties.EndPoint = pdfEndPoint;
BaseAnnotationEditor editor = docView.CreateAnnotation(pageNum, properties);
capturedGuide = editor.Guides[1]; // endpoint guide
docView.Invalidate();
}
}
