/// <summary>
/// Work constructor
/// </summary>
public PageView(RectangleF frame, int pageNumber)
: base(frame)
{
// Init page scroll view
ScrollsToTop = false;
DelaysContentTouches = false;
ShowsVerticalScrollIndicator = false;
ShowsHorizontalScrollIndicator = false;
ContentMode = UIViewContentMode.Redraw;
AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
UserInteractionEnabled = true;
AutosizesSubviews = false;
BackgroundColor = UIColor.Clear;
ViewForZoomingInScrollView = delegate(UIScrollView sender) {
return mPageContentContainerView;
};
// Create and init (calc frame size) page content view
mPageContentView = new PageContentView(PageContentView.GetPageViewSize(pageNumber), pageNumber);
// Create and init page content container view
mPageContentContainerView = new UIView(mPageContentView.Bounds);
mPageContentContainerView.AutosizesSubviews = false;
mPageContentContainerView.UserInteractionEnabled = false;
mPageContentContainerView.ContentMode = UIViewContentMode.Redraw;
mPageContentContainerView.AutoresizingMask = UIViewAutoresizing.None;
mPageContentContainerView.Layer.CornerRadius = 5;
mPageContentContainerView.Layer.ShadowOffset = new SizeF(2.0f, 2.0f);
mPageContentContainerView.Layer.ShadowRadius = 4.0f;
mPageContentContainerView.Layer.ShadowOpacity = 1.0f;
mPageContentContainerView.Layer.ShadowPath = UIBezierPath.FromRect(mPageContentContainerView.Bounds).CGPath;
mPageContentContainerView.BackgroundColor = UIColor.White;
// Create and init page thumb view
mThumbView = new ThumbView(mPageContentView.Bounds, ThumbContentSize, pageNumber);
// Add views to parents
mPageContentContainerView.AddSubview(mThumbView);
mPageContentContainerView.AddSubview(mPageContentView);
AddSubview(mPageContentContainerView);
// Set content size, offset and inset
ContentSize = mPageContentView.Bounds.Size;
ContentOffset = new PointF((0.0f - ContentViewPadding), (0.0f - ContentViewPadding));
ContentInset = new UIEdgeInsets(ContentViewPadding, ContentViewPadding, ContentViewPadding, ContentViewPadding);
ContentSize = mPageContentContainerView.Bounds.Size;
// Setup zoom scale
UpdateMinimumMaximumZoom();
ZoomScale = MinimumZoomScale;
}
/// <summary>
/// Working.
/// </summary>
public PageView(RectangleF frame, AutoScaleModes autoScaleMode, int pageNumber) : base(frame)
{
// Init page scroll view
ScrollsToTop = false;
DelaysContentTouches = false;
ShowsVerticalScrollIndicator = false;
ShowsHorizontalScrollIndicator = false;
ContentMode = UIViewContentMode.Redraw;
AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
UserInteractionEnabled = true;
AutosizesSubviews = false;
BackgroundColor = UIColor.Clear;
ViewForZoomingInScrollView = delegate(UIScrollView sender) {
return(_PageContentContainerView);
};
AutoScaleMode = autoScaleMode;
NeedUpdateZoomAndOffset = true;
// Create and init (calc frame size) page content view
_PageContentView = new PageContentView(PageContentView.GetPageViewSize(pageNumber), pageNumber);
// Create and init page content container view
_PageContentContainerView = new UIView(_PageContentView.Bounds);
_PageContentContainerView.AutosizesSubviews = false;
_PageContentContainerView.UserInteractionEnabled = false;
_PageContentContainerView.ContentMode = UIViewContentMode.Redraw;
_PageContentContainerView.AutoresizingMask = UIViewAutoresizing.None;
_PageContentContainerView.Layer.CornerRadius = 5;
_PageContentContainerView.Layer.ShadowOffset = new SizeF(2.0f, 2.0f);
_PageContentContainerView.Layer.ShadowRadius = 4.0f;
_PageContentContainerView.Layer.ShadowOpacity = 1.0f;
_PageContentContainerView.Layer.ShadowPath = UIBezierPath.FromRect(_PageContentContainerView.Bounds).CGPath;
_PageContentContainerView.BackgroundColor = UIColor.White;
// Create and init page thumb view
//_ThumbView = new ThumbView(_PageContentView.Bounds, ThumbContentSize, pageNumber);
// Add views to parents
//_PageContentContainerView.AddSubview(_ThumbView);
_PageContentContainerView.AddSubview(_PageContentView);
AddSubview(_PageContentContainerView);
// Set content size, offset and inset
ContentSize = _PageContentView.Bounds.Size;
ContentOffset = new PointF((0.0f - ContentViewPadding), (0.0f - ContentViewPadding));
ContentInset = new UIEdgeInsets(ContentViewPadding, ContentViewPadding, ContentViewPadding, ContentViewPadding);
ContentSize = _PageContentContainerView.Bounds.Size;
}
public PageView(RectangleF frame, AutoScaleModes autoScaleMode, int pageNumber)
: base(frame)
{
ScrollsToTop = false;
DelaysContentTouches = false;
ShowsVerticalScrollIndicator = false;
ShowsHorizontalScrollIndicator = false;
ContentMode = UIViewContentMode.Redraw;
AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
UserInteractionEnabled = true;
AutosizesSubviews = false;
BackgroundColor = UIColor.Clear;
ViewForZoomingInScrollView = delegate(UIScrollView sender) {
return _pageContentContainerView;
};
AutoScaleMode = autoScaleMode;
NeedUpdateZoomAndOffset = true;
_pageContentView = new PageContentView(PageContentView.GetPageViewSize(pageNumber), pageNumber);
_pageContentContainerView = new UIView(_pageContentView.Bounds);
_pageContentContainerView.AutosizesSubviews = false;
_pageContentContainerView.UserInteractionEnabled = false;
_pageContentContainerView.ContentMode = UIViewContentMode.Redraw;
_pageContentContainerView.AutoresizingMask = UIViewAutoresizing.None;
_pageContentContainerView.Layer.CornerRadius = 5;
_pageContentContainerView.Layer.ShadowOffset = new SizeF(2.0f, 2.0f);
_pageContentContainerView.Layer.ShadowRadius = 4.0f;
_pageContentContainerView.Layer.ShadowOpacity = 1.0f;
_pageContentContainerView.Layer.ShadowPath = UIBezierPath.FromRect(_pageContentContainerView.Bounds).CGPath;
_pageContentContainerView.BackgroundColor = UIColor.White;
// TODO: _ThumbView = new ThumbView(_PageContentView.Bounds, ThumbContentSize, pageNumber);
// TODO: _PageContentContainerView.AddSubview(_ThumbView);
_pageContentContainerView.AddSubview(_pageContentView);
AddSubview(_pageContentContainerView);
ContentSize = _pageContentView.Bounds.Size;
ContentOffset = new PointF((0.0f - ContentViewPadding), (0.0f - ContentViewPadding));
ContentInset = new UIEdgeInsets(ContentViewPadding, ContentViewPadding, ContentViewPadding, ContentViewPadding);
ContentSize = _pageContentContainerView.Bounds.Size;
}
/// <summary>
/// Returns thumb image object for page
/// </summary>
/// <param name="thumbContentSize">Thumb content size</param>
/// <param name="pageNumber">Page number for what will created image object</param>
/// <returns>Page image object</returns>
private static UIImage GetThumbImage(float thumbContentSize, int pageNumber)
{
if ((pageNumber <= 0) || (pageNumber > PDFDocument.PageCount))
{
return(null);
}
// Calc page view size
var pageSize = PageContentView.GetPageViewSize(pageNumber);
if (pageSize.Width % 2 > 0)
{
pageSize.Width--;
}
if (pageSize.Height % 2 > 0)
{
pageSize.Height--;
}
// Calc target size
var targetSize = new Size((int)pageSize.Width, (int)pageSize.Height);
// Draw page on CGImage
CGImage pageImage;
using (CGColorSpace rgb = CGColorSpace.CreateDeviceRGB()) {
using (var context = new CGBitmapContext(null, targetSize.Width, targetSize.Height, 8, 0, rgb, CGBitmapFlags.ByteOrder32Little | CGBitmapFlags.NoneSkipFirst)) {
using (var pdfPage = PDFDocument.GetPage(pageNumber)) {
// Draw page on custom CGBitmap context
var thumbRect = new RectangleF(0.0f, 0.0f, targetSize.Width, targetSize.Height);
context.SetFillColor(1.0f, 1.0f, 1.0f, 1.0f);
context.FillRect(thumbRect);
context.ConcatCTM(pdfPage.GetDrawingTransform(CGPDFBox.Crop, thumbRect, 0, true));
context.SetRenderingIntent(CGColorRenderingIntent.Default);
context.InterpolationQuality = CGInterpolationQuality.Default;
context.DrawPDFPage(pdfPage);
// Create CGImage from custom CGBitmap context
pageImage = context.ToImage();
}
}
}
return(UIImage.FromImage(pageImage));
}
