private UIImage GetIconForText(string text, nuint bucketIndex)
{
var nsText = new NSString(text);
var icon = iconCache.ObjectForKey(nsText);
if (icon != null)
{
return((UIImage)icon);
}
var font = UIFont.BoldSystemFontOfSize(14);
var paragraphStyle = NSParagraphStyle.Default;
var dict = NSDictionary.FromObjectsAndKeys(
objects: new NSObject[] { font, paragraphStyle, options.RendererTextColor.ToUIColor() },
keys: new NSObject[] { UIStringAttributeKey.Font, UIStringAttributeKey.ParagraphStyle, UIStringAttributeKey.ForegroundColor }
);
var attributes = new UIStringAttributes(dict);
var textSize = nsText.GetSizeUsingAttributes(attributes);
var rectDimension = Math.Max(20, Math.Max(textSize.Width, textSize.Height)) + 3 * bucketIndex + 6;
var rect = new CGRect(0.0f, 0.0f, rectDimension, rectDimension);
UIGraphics.BeginImageContext(rect.Size);
UIGraphics.BeginImageContextWithOptions(rect.Size, false, 0);
var ctx = UIGraphics.GetCurrentContext();
ctx.SaveState();
bucketIndex = (nuint)Math.Min((int)bucketIndex, options.BucketColors.Length - 1);
var backColor = options.BucketColors[bucketIndex];
ctx.SetFillColor(backColor.ToCGColor());
ctx.FillEllipseInRect(rect);
ctx.RestoreState();
UIColor.White.SetColor();
var textRect = rect.Inset((rect.Size.Width - textSize.Width) / 2,
(rect.Size.Height - textSize.Height) / 2);
nsText.DrawString(textRect.Integral(), attributes);
var newImage = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
iconCache.SetObjectforKey(newImage, nsText);
return(newImage);
}
public static void Setup()
{
UIGraphics.BeginImageContext(new CoreGraphics.CGSize(1, 64f));
Theme.PrimaryNavigationBarColor.SetFill();
UIGraphics.RectFill(new CoreGraphics.CGRect(0, 0, 1, 64));
var img = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
UIApplication.SharedApplication.StatusBarStyle = UIStatusBarStyle.LightContent;
var navBarContainers = new [] { typeof(MenuNavigationController), typeof(ThemedNavigationController), typeof(MainNavigationController) };
foreach (var navbarAppearance in navBarContainers.Select(x => UINavigationBar.AppearanceWhenContainedIn(x)))
{
navbarAppearance.TintColor = Theme.PrimaryNavigationBarTextColor;
navbarAppearance.BarTintColor = Theme.PrimaryNavigationBarColor;
navbarAppearance.BackgroundColor = Theme.PrimaryNavigationBarColor;
navbarAppearance.SetTitleTextAttributes(new UITextAttributes {
TextColor = Theme.PrimaryNavigationBarTextColor, Font = UIFont.SystemFontOfSize(18f)
});
navbarAppearance.SetBackgroundImage(img, UIBarPosition.Any, UIBarMetrics.Default);
navbarAppearance.BackIndicatorImage = Images.BackButton;
navbarAppearance.BackIndicatorTransitionMaskImage = Images.BackButton;
}
UISegmentedControl.Appearance.TintColor = UIColor.FromRGB(110, 110, 117);
UISegmentedControl.AppearanceWhenContainedIn(typeof(UINavigationBar)).TintColor = UIColor.White;
UISwitch.Appearance.OnTintColor = UIColor.FromRGB(0x41, 0x83, 0xc4);
// Composer Input Accessory Buttons
UIButton.AppearanceWhenContainedIn(typeof(UIScrollView)).TintColor = Theme.PrimaryNavigationBarColor;
//UITableViewHeaderFooterView.Appearance.TintColor = UIColor.FromRGB(228, 228, 228);
var headerFooterContainers = new [] { typeof(UITableViewHeaderFooterView) };
foreach (var navbarAppearance in headerFooterContainers)
{
UILabel.AppearanceWhenContainedIn(navbarAppearance).TextColor = UIColor.FromRGB(110, 110, 117);
UILabel.AppearanceWhenContainedIn(navbarAppearance).Font = UIFont.SystemFontOfSize(14f);
}
StringElement.DefaultTintColor = Theme.PrimaryNavigationBarColor;
UIToolbar.Appearance.BarTintColor = UIColor.FromRGB(245, 245, 245);
UIBarButtonItem.AppearanceWhenContainedIn(typeof(UISearchBar)).SetTitleTextAttributes(new UITextAttributes {
TextColor = UIColor.White
}, UIControlState.Normal);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
nfloat w = View.Bounds.Width;
nfloat h = View.Bounds.Height;
int cellh = Convert.ToInt32((h - 182) / 6); //105;
View.BackgroundColor = UIColor.White;
UIGraphics.BeginImageContext(this.View.Frame.Size);
UIImage i = UIImage.FromBundle("Splash");
i = i.Scale(this.View.Frame.Size);
View.BackgroundColor = UIColor.FromPatternImage(i);
UITextField searchField = new UITextField
{
Placeholder = "Search",
BorderStyle = UITextBorderStyle.RoundedRect,
Frame = new CGRect(20, 90, w - 40, 31.0f)
};
searchField.ShouldReturn += SearchDeals;
View.AddSubview(searchField);
for (int j = 0; j < Config.data._categories.Count; j++)
{
int y = 125 + j * cellh;
Category c = Config.data._categories[j];
UIButton btnCategory = UIButton.FromType(UIButtonType.Custom);
btnCategory.Frame = new CoreGraphics.CGRect(20, y, 128, cellh);
btnCategory.SetImage((UIImage)c.BMP, UIControlState.Normal);
btnCategory.Tag = Convert.ToInt32(c.ID);
btnCategory.TouchUpInside += BtnCategory_TouchUpInside;
View.AddSubview(btnCategory);
UILabel lblTitle = new UILabel(new CoreGraphics.CGRect(150, y, w - 170, 34));
lblTitle.Text = c.Name;
View.AddSubview(lblTitle);
if (cellh > 79)
{
UILabel lblCount = new UILabel(new CoreGraphics.CGRect(150, y + 45, w - 170, 34));
lblCount.Text = c.Count.ToString() + " deals";
View.AddSubview(lblCount);
}
}
}
/// <summary>
/// Resizes the image.
/// </summary>
/// <returns>The image.</returns>
/// <param name="sourceImage">Source image.</param>
/// <param name="width">Width.</param>
/// <param name="height">Height.</param>
// resize the image (without trying to maintain aspect ratio)
public static UIImage ResizeImage(UIImage sourceImage, float width, float height)
{
if (sourceImage == null)
{
sourceImage = UIImage.FromBundle("DefaultUser");
}
UIGraphics.BeginImageContext(new SizeF(width, height));
sourceImage.Draw(new RectangleF(0, 0, width, height));
var resultImage = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(resultImage);
}
public static UIImage ImageFromColor(UIColor color, CoreGraphics.CGSize size)
{
CoreGraphics.CGRect frame = new CoreGraphics.CGRect(0, 0, size.Width, size.Height);
UIGraphics.BeginImageContext(size);
var context = UIGraphics.GetCurrentContext();
context.SetFillColor(color.CGColor);
context.FillRect(frame);
var image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(image);
}
UIImage GetFilteredImage (UIImage image, UIColor color)
{
RectangleF rect = new RectangleF (0, 0, image.Size.Width, image.Size.Height);
UIGraphics.BeginImageContext (rect.Size);
var context = UIGraphics.GetCurrentContext ();
context.ClipToMask (rect, image.CGImage);
context.SetFillColorWithColor (color.CGColor);
context.FillRect (rect);
UIImage img = UIGraphics.GetImageFromCurrentImageContext ();
UIGraphics.EndImageContext ();
if (img != null)
return new UIImage (img.CGImage, 1, UIImageOrientation.DownMirrored);
return image;
}
public static UIImage ToUIImage(this UIView view)
{
UIGraphics.BeginImageContext(view.Frame.Size);
var context = UIGraphics.GetCurrentContext();
var originFrame = view.Frame;
view.Frame = new CGRect(new CGPoint(0, 0), view.Frame.Size);
view.Layer.RenderInContext(context);
view.Frame = originFrame;
var image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(image);
}
/// <summary>
/// Captures this view into an ancillary image. This is primarily used for screen shots.
/// </summary>
public static UIImage Capture(this UIView view)
{
var rect = view.Bounds.Size;
UIGraphics.BeginImageContext(rect);
view.Layer.RenderInContext(UIGraphics.GetCurrentContext());
var image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(image);
}
/// <summary>
/// Resizes an Image to a compact size.
/// Dependent on the internal logic.
/// </summary>
/// <param name="image">original image</param>
/// <returns>resized image</returns>
public static UIImage MaxResizeImage(UIImage image)
{
var sourceSize = image.Size;
var maxResizeFactor = Math.Min(200.0 / sourceSize.Width, 200.0 / sourceSize.Height);
var width = maxResizeFactor * sourceSize.Width;
var height = maxResizeFactor * sourceSize.Height;
UIGraphics.BeginImageContext(new CGSize(width, height));
image.Draw(new CGRect(0, 0, width, height));
var resultImage = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(resultImage);
}
static UIImage CreateButtonImage(CGColor color)
{
CGRect rect = new CGRect(0, 0, 1, 1);
UIGraphics.BeginImageContext(rect.Size);
CGContext context = UIGraphics.GetCurrentContext();
context.SetFillColor(color);
context.FillRect(rect);
var image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(image);
}
public static UIImage ImageWithColor(UIColor color)
{
var rect = new CGRect(0, 0, 1, 1);
UIGraphics.BeginImageContext(rect.Size);
var context = UIGraphics.GetCurrentContext();
context.SetFillColor(color.CGColor);
context.FillRect(rect);
var image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(image);
}
private void SetImage(string imageName, int widthRequest, int heightRequest, UIButton targetButton)
{
var image = UIImage.FromBundle(imageName);
UIGraphics.BeginImageContext(new SizeF(widthRequest, heightRequest));
image.Draw(new RectangleF(0, 0, widthRequest, heightRequest));
var resultImage = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
var resizableImage = resultImage.CreateResizableImage(new UIEdgeInsets(0, 0, widthRequest, heightRequest));
targetButton.SetImage(resizableImage.ImageWithRenderingMode(UIImageRenderingMode.AlwaysOriginal),
UIControlState.Normal);
}
public override void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
UIGraphics.BeginImageContext(View.Frame.Size);
UIImage.FromBundle("750x1334.png").Draw(View.Bounds);
var bgImage = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
var uiImageView = new UIImageView(View.Frame);
uiImageView.Image = bgImage;
View.AddSubview(uiImageView);
View.SendSubviewToBack(uiImageView);
}
//http://stackoverflow.com/questions/16462129/iphone-how-to-change-color-of-particular-pixel-of-a-uiimage
public void SetPixel(Color color, int x, int y)
{
UIGraphics.BeginImageContext(new CGSize(Width, Height));
var context = UIGraphics.GetCurrentContext();
context.SaveState();
CGRect rect = new CGRect(0f, 0f, Width, Height);
context.DrawImage(rect, _cgImage);
context.SetFillColor(color.R / 255f, color.G / 255f, color.B / 255f, color.A / 255f);
context.FillRect(new CGRect(x, y, 1, 1));
context.RestoreState();
setImage(UIGraphics.GetImageFromCurrentImageContext());
}
partial void btnShare_TouchUpInside(UIButton sender)
{
UIGraphics.BeginImageContext(View.Frame.Size);
View.DrawViewHierarchy(View.Frame, true);
UIImage image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
var shareText = string.Format("I've taken {0} steps today using #MyStepCounter!", lblStepCount.Text);
var social = new UIActivityViewController(new NSObject[] { new NSString(shareText), image },
new UIActivity[] { new UIActivity() });
PresentViewController(social, true, null);
}
public static UIImage ToImage(this UIView view, float scale = 1.0f)
{
var originalRasterizationScale = view.Layer.RasterizationScale;
try {
UIGraphics.BeginImageContext(new SizeF(view.Bounds.Size.Width * scale, view.Bounds.Size.Height * scale));
view.Layer.RasterizationScale = scale;
view.Layer.RenderInContext(UIGraphics.GetCurrentContext());
return(UIGraphics.GetImageFromCurrentImageContext());
} finally {
UIGraphics.EndImageContext();
view.Layer.RasterizationScale = originalRasterizationScale;
}
}
public static UIImage Crop(UIImage image, CGRect section)
{
UIGraphics.BeginImageContext(section.Size);
var context = UIGraphics.GetCurrentContext();
context.ClipToRect(new CGRect(0, 0, section.Width, section.Height));
var drawRectangle = new CGRect(-section.X, -section.Y, image.Size.Width, image.Size.Height);
image.Draw(drawRectangle);
var croppedImage = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(croppedImage);
}
//directly route to the OTP screen if the shared preference is already there
public override async void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
UIGraphics.BeginImageContext(View.Frame.Size);
UIImage.FromBundle("750x1334.png").Draw(View.Bounds);
var bgImage = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
var uiImageView = new UIImageView(View.Frame);
uiImageView.Image = bgImage;
View.AddSubview(uiImageView);
View.SendSubviewToBack(uiImageView);
var plist = NSUserDefaults.StandardUserDefaults;
Console.WriteLine("" + plist.StringForKey("name"));
Console.WriteLine("" + plist.DoubleForKey("mobilenumber"));
//for testing
//plist.SetString("", "name");
//plist.SetDouble(0, "mobilenumber");
//plist.SetString("", "primaryKey");
//plist.SetString("false", "sessionsComplete");
if (plist.StringForKey("sessionsComplete") == "true")
{
PerformSegue("jumpSessionsComplete", null);
}
else
{
if (session_count < 1)
{
while (session_count < 1)
{
await fetchData();
}
}
if (plist.StringForKey("name") != "" && plist.DoubleForKey("mobilenumber") > 0)
{
Console.WriteLine("Hello");
try
{
PerformSegue("registerSuccessful", null);
}
catch (Exception ex) {
Console.WriteLine(ex);
}
}
}
}
UIImage ImageFromColor(UIColor color)
{
CGRect rect = new CGRect(0.0f, 0.0f, 1.0f, 1.0f);
UIGraphics.BeginImageContext(rect.Size);
CGContext context = UIGraphics.GetCurrentContext();
context.SetFillColor(color.CGColor);
context.FillRect(rect);
UIImage image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(image);
}
public static UIImage MaxResizeImage(UIImage sourceImage, float percent)
{
var sourceSize = sourceImage.Size;
float width = ((float)(percent * sourceSize.Width));
float height = ((float)(percent * sourceSize.Height));
Console.WriteLine("New Height : " + height + "\n New Width : " + width);
UIGraphics.BeginImageContext(new SizeF(width, height));
sourceImage.Draw(new RectangleF(0, 0, width, height));
var resultImage = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(resultImage);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// MainNavigationController must have a black background so that the ticks
// before the task displays don't cause a flash
View.BackgroundColor = Rock.Mobile.UI.Util.GetUIColor(ControlStylingConfig.BackgroundColor);
View.Layer.AnchorPoint = CGPoint.Empty;
View.Layer.Position = CGPoint.Empty;
DarkPanel = new UIView();
DarkPanel.Layer.AnchorPoint = CGPoint.Empty;
DarkPanel.Frame = View.Frame;
DarkPanel.Layer.Opacity = 0.0f;
DarkPanel.BackgroundColor = UIColor.Black;
View.AddSubview(DarkPanel);
// setup the style of the nav bar
NavigationBar.TintColor = Rock.Mobile.UI.Util.GetUIColor(ControlStylingConfig.TextField_PlaceholderTextColor);
UIImage solidColor = new UIImage();
UIGraphics.BeginImageContext(new CGSize(1, 1));
CGContext context = UIGraphics.GetCurrentContext( );
context.SetFillColor(Rock.Mobile.UI.Util.GetUIColor(ControlStylingConfig.TopNavToolbar_BackgroundColor).CGColor);
context.FillRect(new CGRect(0, 0, 1, 1));
solidColor = UIGraphics.GetImageFromCurrentImageContext( );
UIGraphics.EndImageContext( );
NavigationBar.BarTintColor = UIColor.Clear;
NavigationBar.SetBackgroundImage(solidColor, UIBarMetrics.Default);
NavigationBar.Translucent = false;
// our first (and only) child IS a ContainerViewController.
Container = new ContainerViewController( );
PushViewController(Container, false);
// setup a shadow that provides depth when this panel is slid "out" from the springboard.
ApplyEdgeShadow( );
// setup our pan gesture
PanGesture = new UIPanGestureRecognizer(OnPanGesture);
PanGesture.MinimumNumberOfTouches = 1;
PanGesture.MaximumNumberOfTouches = 1;
View.AddGestureRecognizer(PanGesture);
}
//
// Centers image, scales and removes borders
//
internal static UIImage PrepareForProfileView(UIImage image)
{
const int size = 73;
if (image == null)
{
Console.WriteLine("throwing error");
throw new ArgumentNullException("image");
}
UIGraphics.BeginImageContext(new SizeF(73, 73));
var c = UIGraphics.GetCurrentContext();
c.AddPath(largePath);
c.Clip();
// Twitter not always returns squared images, adjust for that.
var cg = image.CGImage;
float width = cg.Width;
float height = cg.Height;
if (width != height)
{
float x = 0, y = 0;
if (width > height)
{
x = (width - height) / 2;
width = height;
}
else
{
y = (height - width) / 2;
height = width;
}
c.ScaleCTM(1, -1);
using (var copy = cg.WithImageInRect(new RectangleF(x, y, width, height))){
c.DrawImage(new RectangleF(0, 0, size, -size), copy);
}
}
else
{
image.Draw(new RectangleF(0, 0, size, size));
}
var converted = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(converted);
}
public static UIImage ToBitmap(this UIView view)
{
var imageRect = new CGRect(0, 0, view.Frame.Width, view.Frame.Height);
UIGraphics.BeginImageContext(imageRect.Size);
var context = UIGraphics.GetCurrentContext();
view.Layer.RenderInContext(context);
var image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(image);
}
public static UIImage FromColor(UIColor color, CGRect rect)
{
UIGraphics.BeginImageContext(rect.Size);
using (var context = UIGraphics.GetCurrentContext())
{
context.SetFillColor(color.CGColor);
context.FillRect(rect);
}
var image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(image);
}
/// <summary>
/// Creates a 1x1 image that is a certain color
/// </summary>
public static UIImage ToImage(this UIColor color)
{
try {
UIGraphics.BeginImageContext(new CGSize(1, 1));
using (var context = UIGraphics.GetCurrentContext()) {
context.SetFillColor(color.CGColor);
context.FillRect(new CGRect(0, 0, 1, 1));
return(UIGraphics.GetImageFromCurrentImageContext());
}
} finally {
UIGraphics.EndImageContext();
}
}
/// <summary>
/// Tos the local notification.
/// </summary>
/// <returns>The local notification.</returns>
/// <param name="userInfo">User info.</param>
//public static LocalNotification ToLocalNotification(this NSDictionary userInfo)
//{
// var notification = new LocalNotification();
// if (null != userInfo && userInfo.ContainsKey(new NSString("aps")))
// {
// NSDictionary aps = userInfo.ObjectForKey(new NSString("aps")) as NSDictionary;
// NSDictionary alert = null;
// if (aps.ContainsKey(new NSString("alert")))
// alert = aps.ObjectForKey(new NSString("alert")) as NSDictionary;
// if (alert != null)
// {
// notification.Title = (alert[new NSString("title")] as NSString).ToString();
// notification.SubTitle = (alert[new NSString("subtitle")] as NSString).ToString();
// notification.Message = (alert[new NSString("body")] as NSString).ToString();
// if (aps.ContainsKey(new NSString("badge")))
// {
// var cnt = (alert[new NSString("badge")] as NSString).ToString();
// notification.Badge = int.Parse(cnt);
// }
// }
// }
// return notification;
//}
/// <summary>
/// Changes the color of the image.
/// </summary>
/// <returns>The image color.</returns>
/// <param name="image">Image.</param>
/// <param name="color">Color.</param>
public static UIImage ChangeImageColor(this UIImage image, UIColor color)
{
var rect = new CGRect(0, 0, image.Size.Width, image.Size.Height);
UIGraphics.BeginImageContext(rect.Size);
var ctx = UIGraphics.GetCurrentContext();
ctx.ClipToMask(rect, image.CGImage);
ctx.SetFillColor(color.CGColor);
ctx.FillRect(rect);
var img = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(UIImage.FromImage(img.CGImage, 1.0f, UIImageOrientation.DownMirrored));
}
public static UIImage resizeImage(UIImage image, nfloat newWidth)
{
nfloat scale = newWidth / image.Size.Width;
nfloat newHeight = image.Size.Height * scale;
UIGraphics.BeginImageContext(new CGSize(newWidth, newHeight));
image.DrawAsPatternInRect(new CGRect(0, 0, newWidth, newHeight));
var newImage = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(newImage);
}
public async System.Threading.Tasks.Task <byte[]> CaptureAsync()
{
var view = UIApplication.SharedApplication.KeyWindow.RootViewController.View;
UIGraphics.BeginImageContext(view.Frame.Size); view.DrawViewHierarchy(view.Frame, true);
var image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
using (var imageData = image.AsJPEG(100))
{
var bytes = new byte[imageData.Length];
System.Runtime.InteropServices.Marshal.Copy(imageData.Bytes, bytes, 0, Convert.ToInt32(imageData.Length));
return(bytes);
}
}
public static UIImage GetImageFromColor(this UIColor color, float height = 1)
{
var rect = new CGRect(0, 0, height, height);
UIGraphics.BeginImageContext(rect.Size);
var context = UIGraphics.GetCurrentContext();
context.SetFillColor(color.CGColor);
context.FillRect(rect);
var image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(image);
}
private UIImage ResizeImage(UIImage image, nfloat marginWidth)
{
nfloat oldWidth = image.Size.Width;
nfloat scaleFactor = (marginWidth / oldWidth);
nfloat newHeight = image.Size.Height * scaleFactor;
nfloat newWidth = oldWidth * scaleFactor;
UIGraphics.BeginImageContext(new CoreGraphics.CGSize(newWidth, newHeight));
image.Draw(new CoreGraphics.CGRect(0, 0, newWidth, newHeight));
UIImage newImage = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return(newImage);
}