public PSPDFAnnotation [] GetAnnotationsForPage(nuint pageIndex)
{
if (annotations == null)
{
annotations = new Dictionary <nuint, PSPDFAnnotation []> ((int)document.PageCount);
}
if (annotations.ContainsKey(pageIndex))
{
return(annotations [pageIndex]);
}
// it's important that this method is:
// - fast
// - thread safe
// - and caches annotations (don't always create new objects!)
lock (this) {
// create new note annotation and add it to the dict.
var documentProvider = ProviderDelegate.ParentDocumentProvider;
var pageInfo = documentProvider.Document.GetPageInfo(pageIndex);
var noteAnnotation = new PSPDFNoteAnnotation {
PageIndex = pageIndex,
DocumentProvider = documentProvider,
Contents = string.Format("Annotation from the custom annotationProvider for page {0}.", pageIndex + 1),
// place it top left (PDF coordinate space starts from bottom left)
BoundingBox = new CGRect(100, pageInfo.RotatedRect.Size.Height - 100, 32, 32),
Editable = false
};
annotations.Add(pageIndex, new PSPDFAnnotation [] { noteAnnotation });
}
return(annotations [pageIndex]);
}
public PSPDFAnnotation[] AnnotationsForPage(nuint page)
{
if (annotations == null)
{
annotations = new PSPDFAnnotation[document.PageCount].ToList();
}
// it's important that this method is:
// - fast
// - thread safe
// - and caches annotations (don't always create new objects!)
lock (this) {
if (annotations [(int)page] == null)
{
// create new note annotation and add it to the dict.
var documentProvider = ProviderDelegate.ParentDocumentProvider;
var pageInfo = documentProvider.Document.GetPageInfo(page);
PSPDFNoteAnnotation noteAnnotation = null;
InvokeOnMainThread(() => noteAnnotation = new PSPDFNoteAnnotation {
Page = page,
DocumentProvider = documentProvider,
Contents = string.Format("Annotation from the custom annotationProvider for page {0}.", page + 1),
// place it top left (PDF coordinate space starts from bottom left)
BoundingBox = new CGRect(100, pageInfo.RotatedRect.Size.Height - 100, 32, 32),
Editable = false
});
annotations [(int)page] = noteAnnotation;
}
}
return(new PSPDFAnnotation[] { annotations[(int)page] });
}
public AnnotationsFromCodeViewController(NSUrl document) : base(new PSPDFDocument(document))
{
// Sets the Delegate to listen for 'IPSPDFViewControllerDelegate' events like 'DidSelectAnnotations'.
// Any NSObject derived class can be set to 'Delegate' property as long as it implements 'IPSPDFViewControllerDelegate'.
Delegate = this;
Document.Title = "Programmatically create annotations";
Document.AnnotationSaveMode = PSPDFAnnotationSaveMode.Disabled;
var annotationsList = new List <PSPDFAnnotation> ();
uint targetPage = 0;
var pageInfo = Document.GetPageInfo(targetPage);
CGRect viewRect = UIScreen.MainScreen.Bounds;
var maxHeight = pageInfo.Size.Height;
for (int i = 0; i < 5; i++)
{
var note = new PSPDFNoteAnnotation {
// width/height will be ignored for note annotations.
BoundingBox = new CGRect(100, (50 + i * maxHeight / 5), 32, 32),
Contents = string.Format("Note {0}", (5 - i)) // notes are added bottom-up
};
annotationsList.Add(note);
}
// Ink Annotation sample
var inkAnnot = new PSPDFInkAnnotation();
var linesArr = NSArray <NSValue> .FromNSObjects(
NSValue.FromCGPoint(new CGPoint(480.93079f, 596.0625f)),
NSValue.FromCGPoint(new CGPoint(476.8027f, 592.96881f)),
NSValue.FromCGPoint(new CGPoint(468.54639f, 585.75f)),
NSValue.FromCGPoint(new CGPoint(456.1619f, 574.40631f)),
NSValue.FromCGPoint(new CGPoint(436.5531f, 550.6875f)),
NSValue.FromCGPoint(new CGPoint(357.086f, 434.15631f)),
NSValue.FromCGPoint(new CGPoint(294.1315f, 359.90631f)),
NSValue.FromCGPoint(new CGPoint(226.01691f, 284.625f)),
NSValue.FromCGPoint(new CGPoint(176.4789f, 222.75f))
);
var lines = new NSArray <NSValue> [] { linesArr };
inkAnnot.Lines = PSPDFInkAnnotation.ConvertViewLinesToPdfLines(lines, pageInfo, viewRect);
inkAnnot.LineWidth = 5;
inkAnnot.Color = UIColor.White;
annotationsList.Add(inkAnnot);
annotationsArr = annotationsList.ToArray();
Document.AddAnnotations(annotationsArr, options: null);
}
public AnnotationsFromCodeViewController(NSData documentData) : base(new PSPDFDocument(documentData))
{
Document.Title = "Programmatically create annotations";
Document.AnnotationSaveMode = PSPDFAnnotationSaveMode.Disabled;
var annotationsList = new List <PSPDFAnnotation> ();
var maxHeight = Document.GetPageInfo(0).RotatedRect.Size.Height;
for (int i = 0; i < 5; i++)
{
var note = new PSPDFNoteAnnotation()
{
// width/height will be ignored for note annotations.
BoundingBox = new CGRect(100, (50 + i * maxHeight / 5), 32, 32),
Contents = string.Format("Note {0}", (5 - i)) // notes are added bottom-up
};
annotationsList.Add(note);
}
// Ink Annotation sample
var inkAnnot = new PSPDFInkAnnotation();
inkAnnot.Lines = new List <NSValue[]> ()
{
new [] {
NSValue.FromCGPoint(new CGPoint(480.93079f, 596.0625f)),
NSValue.FromCGPoint(new CGPoint(476.8027f, 592.96881f)),
NSValue.FromCGPoint(new CGPoint(468.54639f, 585.75f)),
NSValue.FromCGPoint(new CGPoint(456.1619f, 574.40631f)),
NSValue.FromCGPoint(new CGPoint(436.5531f, 550.6875f)),
NSValue.FromCGPoint(new CGPoint(357.086f, 434.15631f)),
NSValue.FromCGPoint(new CGPoint(294.1315f, 359.90631f)),
NSValue.FromCGPoint(new CGPoint(226.01691f, 284.625f)),
NSValue.FromCGPoint(new CGPoint(176.4789f, 222.75f))
}
};
inkAnnot.LineWidth = 5;
inkAnnot.Color = UIKit.UIColor.White;
annotationsList.Add(inkAnnot);
annotationsArr = annotationsList.ToArray();
Document.AddAnnotations(annotationsArr, null);
}
public override PSPDFAnnotation[] AnnotationsForPage(uint page)
{
lock (this)
{
// create new note annotation and add it to the dict.
PSPDFNoteAnnotation noteAnnotation = new PSPDFNoteAnnotation();
noteAnnotation.Page = page;
//noteAnnotation.DocumentProvider = this.ProviderDelegate.ParentDocumentProvider;
noteAnnotation.Contents = string.Format("Annotation from the custom annotationProvider for page {0}.", page + 1);
// place it top left (PDF coordinate space starts from bottom left)
//Console.WriteLine(this.ProviderDelegate.ParentDocumentProvider);
//Console.WriteLine(this.ProviderDelegate.ParentDocumentProvider.Document);
//PSPDFPageInfo pageInfo = this.ProviderDelegate.ParentDocumentProvider.Document.PageInfoForPage(page);
noteAnnotation.BoundingBox = new RectangleF(100f, 500f - 100f, 32f, 32f);
noteAnnotation.Editable = false;
return(new PSPDFAnnotation[] { noteAnnotation });
}
}
