public static UIImage BuildGalleryBackground(bool landscape)
{
var key = "gallery_background_" + (landscape ? "landscape" : "portrait");
return(ImageCache.Get(key, () =>
{
UIImage background0;
if (Util.IsRetina() || Util.IsPad())
{
background0 = UIImageEx.FromFile("Images/gallery/background_seamless_high.png");
}
else
{
background0 = UIImageEx.FromFile("Images/gallery/background_seamless_low.png");
}
// Snip the background height so we don't shrink the viewable area
var delta = background0.Size.Height - (Util.IsPortrait() ? GalleryScreenHeight : GalleryScreenWidth); // - 20;
var frame = new RectangleF(0, delta, background0.Size.Width, background0.Size.Height - delta);
var background1 = ImageHelper.Crop(background0, frame);
background0.Dispose();
return background1;
}));
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
AppDelegate.NavigationBar.SetBackButtonOn(this);
SetBackgroundView(Util.IsLandscape());
if (_view != null)
{
_view.Dispose();
_view = null;
}
// Set up our custom ScrollView
_view = new PieceFullView(View.Bounds);
_view.BackgroundColor = UIColor.Clear;
_view.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
_view.ShowsVerticalScrollIndicator = false;
_view.ShowsHorizontalScrollIndicator = false;
_view.BouncesZoom = true;
_view.Delegate = new ScrollViewDelegate();
// Added by me (snap back does not occur on device)
_view.UserInteractionEnabled = true;
_view.MultipleTouchEnabled = true;
_view.ScrollsToTop = false;
_view.PagingEnabled = false;
View.AddSubview(_view);
// Set up the ImageView that's going inside our scroll view
UIImage image = UIImageEx.FromFile(_piece.Source);
UIImageView iv = new UIImageView(image);
image.Dispose();
iv.Layer.ShadowPath = UIBezierPath.FromRect(iv.Bounds).CGPath;
iv.Layer.ShouldRasterize = true;
iv.Layer.MasksToBounds = false;
iv.Layer.ShadowColor = UIColor.Black.CGColor;
iv.Layer.ShadowOpacity = 1.0f;
iv.Layer.ShadowRadius = 10.0f;
iv.Layer.ShadowOffset = new SizeF(0f, 1f);
// Finish the ScrollView setup
_view.ContentSize = iv.Frame.Size;
_view.SetChildView(iv);
_view.MaximumZoomScale = 2.0f;
SetMinimumZoomForCurrentFrame();
_view.SetZoomScale(_view.MinimumZoomScale, false);
}
public static UIImage GeneratePieceThumbnail(string source, float w, float h, bool rounded, bool notDetailView)
{
// If we're using the retina display, we need to double the resolution,
// even though when saving the image we still use 32x as the basis
var sw = w;
var sh = h;
if (DimensionSet.IsRetinaDisplay)
{
sw *= 2f;
sh *= 2f;
}
// On the iPad, the thumbnail is rendered too large as-is
if (DimensionSet.Idiom == UIUserInterfaceIdiom.Pad && notDetailView)
{
sw *= 2f;
sh *= 2f;
w /= 2.5f;
h /= 2.5f;
}
var image = UIImageEx.FromFile(source); // Don't EVER bundle cache the source file!!
var small = ImageHelper.CropResize(image, sw, sh, CropPosition.Center);
image.Dispose();
UIImage thumb;
if (rounded)
{
var roundThumb = ImageHelper.MakeRoundCornerImage(small, 5, 5);
thumb = ImageHelper.ImageToFitSize(roundThumb, new SizeF(w, h));
roundThumb.Dispose();
}
else
{
thumb = ImageHelper.ImageToFitSize(small, new SizeF(w, h));
}
small.Dispose();
return(thumb);
}
public static UIImage Get(string key)
{
if (!_images.ContainsKey(key))
{
var path = Path.Combine(_path, key);
UIImage image;
if (File.Exists(path))
{
image = UIImageEx.FromFile(path);
}
else
{
return(null);
}
return(image);
}
return(_images[key]);
}
public static UIImage Get(string key, Func <UIImage> generate)
{
if (!_images.ContainsKey(key))
{
var path = Path.Combine(_path, key);
UIImage image;
if (File.Exists(path))
{
image = UIImageEx.FromFile(path);
}
else
{
image = generate();
Save(path, image);
}
return(image);
}
return(_images[key]);
}
public static UIImage GenerateGalleryPiece(Piece piece, float width, float height)
{
if (Util.IsPad())
{
if (Util.IsLandscape())
{
// iPad Landscape
width = 720;
height = 515;
}
else
{
// iPad Portrait
width = 440;
height = 605;
}
}
else
{
if (Util.IsLandscape())
{
// iPhone Landscape
width = 300;
height = 190;
}
else
{
// iPhone Portrait
width = 200;
height = 275;
}
}
var image = UIImageEx.FromFile(piece.Source);
var final = ImageHelper.ImageToFitSize(image, new SizeF(width, height));
image.Dispose();
return(final);
}