private void updateBackground()
{
var shape = new RoundRectShape(Enumerable.Repeat(5f, 8).ToArray(), null, null);
var background = new ShapeDrawable(shape);
background.Paint.Color = global::Android.Graphics.Color.White;
this.Control.Background = background;
}
private void updateBackground()
{
var tabButton = this.Element as TabButton;
if (tabButton.IsSelected)
{
if (_selectedBackground == null)
{
var shape = new RoundRectShape(new float[]{ 10, 10, 10, 10, 0, 0, 0, 0 }, null, null);
_selectedBackground = new ShapeDrawable(shape);
_selectedBackground.Paint.Color = Colors.Secondary.ToAndroid();
}
this.Control.Background = _selectedBackground;
}
else
{
if (_deselectedBackground == null)
{
var shape = new RoundRectShape(new float[]{ 10, 10, 10, 10, 0, 0, 0, 0 }, null, null);
_deselectedBackground = new ShapeDrawable(shape);
_deselectedBackground.Paint.Color = Colors.Main.ToAndroid();
}
this.Control.Background = _deselectedBackground;
}
}
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
if (container == null)
{
// Currently in a layout without a container, so no reason to create our view.
return null;
}
Point displaySize = new Point( );
Activity.WindowManager.DefaultDisplay.GetSize( displaySize );
ScreenSize = new System.Drawing.SizeF( displaySize.X, displaySize.Y );
// scale the image to match the view's width
ScreenToImageScalar = (float) SourceImage.Width / (float) ScreenSize.Width;
// get the scaled dimensions, maintaining aspect ratio
float scaledWidth = (float)SourceImage.Width * (1.0f / ScreenToImageScalar);
float scaledHeight = (float)SourceImage.Height * (1.0f / ScreenToImageScalar);
// now, if the scaled height is too large, re-calc with Height is the dominant,
// so we guarantee a fit within the view.
if( scaledHeight > ScreenSize.Height )
{
ScreenToImageScalar = (float) SourceImage.Height / (float) ScreenSize.Height;
scaledWidth = (float)SourceImage.Width * (1.0f / ScreenToImageScalar);
scaledHeight = (float)SourceImage.Height * (1.0f / ScreenToImageScalar);
}
ScaledSourceImage = Bitmap.CreateScaledBitmap( SourceImage, (int)scaledWidth, (int)scaledHeight, false );
// setup our layout for touch input
RelativeLayout view = inflater.Inflate( Resource.Layout.ImageCrop, container, false ) as RelativeLayout;
view.SetOnTouchListener( this );
// create the view that will display the image to crop
ImageView = new AspectScaledImageView( Rock.Mobile.PlatformSpecific.Android.Core.Context );
ImageView.LayoutParameters = new RelativeLayout.LayoutParams( ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent );
ImageView.LayoutParameters.Width = ScaledSourceImage.Width;
ImageView.LayoutParameters.Height = ScaledSourceImage.Height;
// center the image
ImageView.SetX( (ScreenSize.Width - ImageView.LayoutParameters.Width ) / 2 );
ImageView.SetY( (ScreenSize.Height - ImageView.LayoutParameters.Height ) / 2 );
view.AddView( ImageView );
// create the draggable crop view that will let the user pic which part of the image to use.
CropView = new View( Rock.Mobile.PlatformSpecific.Android.Core.Context );
CropView.LayoutParameters = new LinearLayout.LayoutParams( ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent );
// the crop view's dimensions should be based on what the user wanted to crop to. We'll do width, and then height as a scale of width.
CropView.LayoutParameters.Width = (int) (scaledWidth < scaledHeight ? scaledWidth : scaledHeight);
CropView.LayoutParameters.Height = (int) ((float) CropView.LayoutParameters.Width * CropAspectRatio);
// the crop view should be a nice outlined rounded rect
float _Radius = 3.0f;
RoundRectShape rectShape = new RoundRectShape( new float[] { _Radius,
_Radius,
_Radius,
_Radius,
_Radius,
_Radius,
_Radius,
_Radius }, null, null );
// configure its paint
ShapeDrawable border = new ShapeDrawable( rectShape );
border.Paint.SetStyle( Paint.Style.Stroke );
border.Paint.StrokeWidth = 8;
border.Paint.Color = Color.WhiteSmoke;
CropView.Background = border;
// set our clamp values
CropViewMinPos = new PointF( (ScreenSize.Width - scaledWidth) / 2,
(ScreenSize.Height - scaledHeight) / 2 );
CropViewMaxPos = new PointF( CropViewMinPos.X + (scaledWidth - CropView.LayoutParameters.Width),
CropViewMinPos.Y + (scaledHeight - CropView.LayoutParameters.Height) );
view.AddView( CropView );
// create a mask layer that will block out the parts of the image that will be cropped
MaskLayer = new Rock.Mobile.PlatformSpecific.Android.Graphics.MaskLayer( (int)ScreenSize.Width, (int)ScreenSize.Height, CropView.LayoutParameters.Width, CropView.LayoutParameters.Height, Rock.Mobile.PlatformSpecific.Android.Core.Context );
MaskLayer.LayoutParameters = new RelativeLayout.LayoutParams( (int)ScreenSize.Width, (int)ScreenSize.Height );
MaskLayer.Opacity = 0.00f;
view.AddView( MaskLayer );
// Now setup our bottom area with cancel, crop, and text to explain
RelativeLayout bottomBarLayout = new RelativeLayout( Rock.Mobile.PlatformSpecific.Android.Core.Context );
bottomBarLayout.LayoutParameters = new RelativeLayout.LayoutParams( ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.WrapContent );
((RelativeLayout.LayoutParams)bottomBarLayout.LayoutParameters).AddRule( LayoutRules.AlignParentBottom );
// set the nav subBar color (including opacity)
Color navColor = Rock.Mobile.UI.Util.GetUIColor( PrivateSubNavToolbarConfig.BackgroundColor );
navColor.A = (Byte) ( (float) navColor.A * PrivateSubNavToolbarConfig.Opacity );
bottomBarLayout.SetBackgroundColor( navColor );
bottomBarLayout.LayoutParameters.Height = 150;
view.AddView( bottomBarLayout );
// setup the cancel button (which will undo cropping or take you back to the picture taker)
CancelButton = new Button( Rock.Mobile.PlatformSpecific.Android.Core.Context );
CancelButton.LayoutParameters = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent );
CancelButton.Gravity = GravityFlags.Left;
((RelativeLayout.LayoutParams)CancelButton.LayoutParameters).AddRule( LayoutRules.AlignParentLeft );
// set the crop button's font
Android.Graphics.Typeface fontFace = Rock.Mobile.PlatformSpecific.Android.Graphics.FontManager.Instance.GetFont( PrivateControlStylingConfig.Icon_Font_Secondary );
CancelButton.SetTypeface( fontFace, Android.Graphics.TypefaceStyle.Normal );
CancelButton.SetTextSize( Android.Util.ComplexUnitType.Dip, PrivateImageCropConfig.CropCancelButton_Size );
CancelButton.Text = PrivateImageCropConfig.CropCancelButton_Text;
CancelButton.Click += (object sender, EventArgs e) =>
{
// don't allow button presses while animations are going on
if( Animating == false )
{
// if they hit cancel while previewing, go back to editing
if( Mode == CropMode.Previewing )
{
SetMode( CropMode.Editing );
}
else
{
// they pressed it while they're in editing mode, so go back to camera mode
Activity.OnBackPressed( );
}
}
};
bottomBarLayout.AddView( CancelButton );
// setup the Confirm button, which will use a font to display its graphic
ConfirmButton = new Button( Rock.Mobile.PlatformSpecific.Android.Core.Context );
ConfirmButton.LayoutParameters = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent );
ConfirmButton.Gravity = GravityFlags.Right;
((RelativeLayout.LayoutParams)ConfirmButton.LayoutParameters).AddRule( LayoutRules.AlignParentRight );
// set the crop button's font
fontFace = Rock.Mobile.PlatformSpecific.Android.Graphics.FontManager.Instance.GetFont( PrivateControlStylingConfig.Icon_Font_Secondary );
ConfirmButton.SetTypeface( fontFace, Android.Graphics.TypefaceStyle.Normal );
ConfirmButton.SetTextSize( Android.Util.ComplexUnitType.Dip, PrivateImageCropConfig.CropOkButton_Size );
ConfirmButton.Text = PrivateImageCropConfig.CropOkButton_Text;
// when clicked, we should crop the image.
ConfirmButton.Click += (object sender, EventArgs e) =>
{
// don't allow button presses while animations are going on
if( Animating == false )
{
// if they pressed confirm while editing, go to preview
if( Mode == CropMode.Editing )
{
SetMode( CropMode.Previewing );
}
else
{
// notify the caller
SpringboardParent.ModalFragmentDone( CroppedImage );
}
}
};
bottomBarLayout.AddView( ConfirmButton );
// start in editing mode (obviously)
SetMode( CropMode.Editing );
// start the cropper centered
MoveCropView( new PointF( (ScreenSize.Width - CropView.LayoutParameters.Width) / 2, (ScreenSize.Height - CropView.LayoutParameters.Height) / 2 ) );
MaskLayer.Position = new PointF( CropView.GetX( ), CropView.GetY( ) );
return view;
}
private Drawable CreateNativeBorder(Brush background, Brush borderBrush, Thickness borderThickness,
CornerRadius cornerRadius)
{
var cornerRadiusArray = new[]
{
(float) cornerRadius.TopLeft, (float) cornerRadius.TopLeft,
(float) cornerRadius.TopRight, (float) cornerRadius.TopRight,
(float) cornerRadius.BottomRight, (float) cornerRadius.BottomRight,
(float) cornerRadius.BottomLeft, (float) cornerRadius.BottomLeft
};
Paint backgroundPaint = new Paint();
Paint borderPaint = new Paint();
backgroundPaint.SetStyle(Paint.Style.Fill);
borderPaint.SetStyle(Paint.Style.Fill);
if (borderBrush == null)
{
borderPaint.Color = Color.Transparent;
}
else
{
if (borderBrush is SolidColorBrush)
{
var color = ((SolidColorBrush)borderBrush).Color;
borderPaint.Color = new Color(color.R, color.G, color.B, color.A);
}
else
{
throw new Exception("SolidColorBrush BorderBrush is supported.");
}
}
if (background == null)
{
backgroundPaint.Color = Color.Transparent;
}
else
{
if (background is SolidColorBrush)
{
var color = ((SolidColorBrush)background).Color;
backgroundPaint.Color = new Color(color.R, color.G, color.B, color.A);
}
else
{
throw new Exception("SolidColorBrush Background is supported.");
}
}
var rs = new RoundRectShape(cornerRadiusArray, null, null);
var noChild =
(this.Child == null || this.Child.Height.Equals(0) || this.Child.Width.Equals(0))
&& (this.ActualHeight.Equals(0) || this.ActualWidth.Equals(0));
var left = ScreenProperties.ConvertDPIToPixels((float)(borderThickness.Left));
var top = ScreenProperties.ConvertDPIToPixels((float)(borderThickness.Top));
var right = ScreenProperties.ConvertDPIToPixels((float)(borderThickness.Right));
var bottom = ScreenProperties.ConvertDPIToPixels((float)(borderThickness.Bottom));
var pixelBorderThickness = new Thickness(left, top, right, bottom);
Bitmap bitmap = null;
using (ShapeDrawable sd = new CustomShapeDrawable(rs, backgroundPaint, borderPaint, cornerRadiusArray, pixelBorderThickness, noChild))
{
var width = ScreenProperties.ConvertDPIToPixels((float)(this.ActualWidth));
var height = ScreenProperties.ConvertDPIToPixels((float)(this.ActualHeight));
if (height <= 0 || width <= 0)
return new BitmapDrawable();
bitmap = Bitmap.CreateBitmap((int)width, (int)height, Bitmap.Config.Argb8888);
var canvas = new Android.Graphics.Canvas(bitmap);
sd.SetBounds(0, 0, canvas.Width, canvas.Height);
sd.Draw(canvas);
}
return new BitmapDrawable(bitmap);
}