void UpdateMainPage()
{
if (_application.MainPage == null)
{
return;
}
IList <Action <SKCanvas, int, int> > renderChildren = new List <Action <SKCanvas, int, int> >();
UIView view = new NativeSkiaView(new SkiaView((canvas, w, h) =>
{
canvas.Clear(SKColors.White);
_canvas = canvas;
_size = new Xamarin.Forms.Size(w, h);
foreach (var renderer in renderChildren)
{
renderer(canvas, w, h);
}
}));
UIViewController vc = new UIViewController
{
View = view
};
AddRenderers(_application.MainPage, renderChildren);
Window.RootViewController = vc;
}
public void DrawImage(IImage image, float x, float y, float width, float height, Xamarin.Forms.Aspect aspect)
{
if (image != null)
{
CanvasBitmap bitmap = ((Image)image).NativeBitmap;
if (bitmap != null)
{
if (aspect == Xamarin.Forms.Aspect.Fill)
{
ds.DrawImage(bitmap, new Rect(x, y, width, height));
}
else
{
Xamarin.Forms.Size bounding = new Xamarin.Forms.Size(width, height);
if (aspect == Xamarin.Forms.Aspect.AspectFill)
{
Xamarin.Forms.Rectangle imageBox = MathHelper.Fill(new Xamarin.Forms.Rectangle(Xamarin.Forms.Point.Zero, image.Size), bounding);
ds.DrawImage(bitmap, new Rect(x, y, width, height), new Rect(imageBox.X, imageBox.Y, imageBox.Width, imageBox.Height));
}
else
{
Xamarin.Forms.Rectangle boundingBox = MathHelper.Fit(image.Size, new Xamarin.Forms.Rectangle(x, y, width, height));
ds.DrawImage(bitmap, new Rect(boundingBox.X, boundingBox.Y, boundingBox.Width, boundingBox.Height));
}
}
}
}
}
public static Stream GetImageStream(IList <Line>?lines,
Size imageSize,
Color backgroundColor)
{
if (lines == null)
{
return(Stream.Null);
}
var image = GetImageInternal(lines, backgroundColor);
if (image is null)
{
return(Stream.Null);
}
var resizedImage = MaxResizeImage(image, (float)imageSize.Width, (float)imageSize.Height);
using (resizedImage)
{
var stream = new MemoryStream();
resizedImage.Save(stream, ImageFormat.Jpeg);
stream.Position = 0;
return(stream);
}
}
public void DrawImage(IImage image, float x, float y, float width, float height, Xamarin.Forms.Aspect aspect)
{
if (image != null)
{
CGImage cgImage = ((Image)image).NativeImage;
if (cgImage != null)
{
if (aspect == Xamarin.Forms.Aspect.Fill)
{
context.DrawImage(new CGRect(x, y, width, height), cgImage);
}
else
{
Xamarin.Forms.Size bounding = new Xamarin.Forms.Size(width, height);
if (aspect == Xamarin.Forms.Aspect.AspectFill)
{
Xamarin.Forms.Rectangle imageBox = MathHelper.Fill(new Xamarin.Forms.Rectangle(Xamarin.Forms.Point.Zero, image.Size), bounding);
using (CGImage newImage = cgImage.WithImageInRect(new CGRect(imageBox.X, imageBox.Y, imageBox.Width, imageBox.Height)))
context.DrawImage(new CGRect(x, y, width, height), newImage);
}
else
{
Xamarin.Forms.Rectangle boundingBox = MathHelper.Fit(image.Size, new Xamarin.Forms.Rectangle(x, y, width, height));
context.DrawImage(new CGRect(boundingBox.X, boundingBox.Y, boundingBox.Width, boundingBox.Height), cgImage);
}
}
}
context.DrawImage(new CGRect(x, y, width, height), cgImage);
}
}
/// <summary>
/// Get image stream from points
/// </summary>
/// <param name="points">Drawing points</param>
/// <param name="imageSize">Image size</param>
/// <param name="lineWidth">Line Width</param>
/// <param name="strokeColor">Line color</param>
/// <param name="backgroundColor">Image background color</param>
/// <returns>Image stream</returns>
public static Stream GetImageStream(IList <Point> points,
Size imageSize,
float lineWidth,
Color strokeColor,
Color backgroundColor)
{
if (points.Count < 2)
{
return(Stream.Null);
}
var image = GetImageInternal(points, lineWidth, strokeColor, backgroundColor);
if (image is null)
{
return(Stream.Null);
}
var resizedImage = MaxResizeImage(image, (float)imageSize.Width, (float)imageSize.Height);
using (resizedImage)
{
var stream = new MemoryStream();
resizedImage.Save(stream, ImageFormat.Jpeg);
stream.Position = 0;
return(stream);
}
}
public override bool FinishedLaunching(UIApplication app, NSDictionary options)
{
global::Xamarin.Forms.Forms.Init();
LoadApplication(new App());
Profile.EnableUpdatesOnAccessTokenChange(true);
Settings.AppID = App.Instance.OAuthSettings.ClientId;
Settings.DisplayName = "Giggle Gaggle";
var manager = BITHockeyManager.SharedHockeyManager;
manager.Configure("616fb4fca5c94837a3df3f2781c0db09");
manager.StartManager();
Xamarin.Forms.Size size = new Xamarin.Forms.Size();
size.Height = UIScreen.MainScreen.Bounds.Height;
size.Width = UIScreen.MainScreen.Bounds.Width;
App.ScreenSize = size;
App.Scale = UIScreen.MainScreen.Scale;
Xamarin.FormsMaps.Init();
return(base.FinishedLaunching(app, options));
}
public async Task <ICameraPreview> OpenWithPreviewAsync(Xamarin.Forms.Size previewRequestSize)
{
await OpenAsync(true);
var stateCallback = new StateCallback();
stateCallback.Configured += SessionConfigured;
stateCallback.ConfigureFailed += SessionConfigureFailed;
var previewSurface = _cameraPreview.CreateSurface(previewRequestSize);
_previewRequestBuilder.AddTarget(previewSurface);
_previewRequestBuilder.Set(CaptureRequest.ControlAfMode, (int)ControlAFMode.ContinuousPicture);
var characteristics = _manager.GetCameraCharacteristics(_cameraDevice.Id);
var map = (StreamConfigurationMap)characteristics.Get(CameraCharacteristics.ScalerStreamConfigurationMap);
// ReSharper disable once CoVariantArrayConversion
_imageSize = (Size)Collections.Max(
Arrays.AsList(map.GetOutputSizes((int)ImageFormatType.Jpeg)),
new CompareSizesByArea());
_imageReader = ImageReader.NewInstance(_imageSize.Width, _imageSize.Height,
ImageFormatType.Jpeg, /* maxImages */ 2);
_imageAvailableListener = new ImageAvailableListener();
_imageAvailableListener.ImageAvailable += CaptureAvailable;
_imageReader.SetOnImageAvailableListener(_imageAvailableListener, _backgroundThread.Handler);
var surfaces = new List <Surface> {
previewSurface, _imageReader.Surface
};
_cameraDevice.CreateCaptureSession(surfaces, stateCallback, null);
return(_cameraPreview);
}
public void DrawImage(IImage image, float x, float y, float width, float height, Xamarin.Forms.Aspect aspect)
{
if (image != null)
{
Bitmap bitmap = ((Image)image).NativeImage;
if (bitmap != null)
{
if (aspect == Xamarin.Forms.Aspect.Fill)
{
using (RectF rect = new RectF(x, y, x + width - 1, y + height - 1))
canvas.DrawBitmap(bitmap, null, rect, null);
}
else
{
Xamarin.Forms.Size bounding = new Xamarin.Forms.Size(width, height);
if (aspect == Xamarin.Forms.Aspect.AspectFill)
{
Xamarin.Forms.Rectangle imageBox = MathHelper.Fill(new Xamarin.Forms.Rectangle(Xamarin.Forms.Point.Zero, image.Size), bounding);
using (RectF rectB = new RectF(x, y, x + width - 1, y + height - 1))
using (Rect rectI = new Rect((int)imageBox.X, (int)imageBox.Y, (int)imageBox.X + (int)imageBox.Width - 1, (int)imageBox.Y + (int)imageBox.Height - 1))
canvas.DrawBitmap(bitmap, rectI, rectB, null);
}
else
{
Xamarin.Forms.Rectangle boundingBox = MathHelper.Fit(image.Size, new Xamarin.Forms.Rectangle(x, y, width, height));
using (RectF rect = new RectF((float)boundingBox.X, (float)boundingBox.Y, (float)boundingBox.X + (float)boundingBox.Width - 1, (float)boundingBox.Y + (float)boundingBox.Height - 1))
canvas.DrawBitmap(bitmap, null, rect, null);
}
}
}
}
}
public static Size ToAndroidSize(Xamarin.Forms.Size dpSize)
{
var(width, height) = dpSize;
var widthPx = ConvertDpToPixel((float)width);
var heightPx = ConvertDpToPixel((float)height);
return(new Size(widthPx, heightPx));
}
private void OnMainPageLoaded(object sender, RoutedEventArgs e)
{
this.Frame.SizeChanged += (o, args) =>
{
Size t = new Size(args.NewSize.Width, args.NewSize.Height);
((GrampsView.App)Xamarin.Forms.Application.Current).Services.GetService <IMessenger>().Send(new SSharpMessageWindowSizeChanged(t));
};
}
/// <summary>
/// 设置对话框的Size(安卓单位)
/// </summary>
/// <param name="xfSize"></param>
/// <returns></returns>
protected virtual Size SetDialogSize(ref Xamarin.Forms.Size xfSize)
{
xfSize = _xfView.Measure(DPoint.X, DPoint.Y).Request;
var density = Xamarin.Essentials.DeviceDisplay.MainDisplayInfo.Density;
int width = (int)Math.Ceiling(xfSize.Width * density);
int height = (int)Math.Ceiling(xfSize.Height * density);
_dialogSize = new Size(width, height);
return(_dialogSize);
}
public static Xamarin.Forms.Rectangle GetXfViewFrame(this FrameworkElement element)
{
var transform = element.TransformToVisual(null);
var point = transform.TransformPoint(new Windows.Foundation.Point(0, 0));
//var xfPoint = new Xamarin.Forms.Point(point.X / Display.Scale, point.Y / Display.Scale);
var xfPoint = point.ToXfPoint();
var xfSize = new Xamarin.Forms.Size(element.ActualWidth / Display.Scale, element.ActualHeight / Display.Scale);
return(new Xamarin.Forms.Rectangle(xfPoint, xfSize));
}
public Xamarin.Forms.Size MeasureText(string text)
{
CanvasTextFormat textFormat = font != null ? ((Font)font).NativeTextFormat : defaultTextFormat;
CanvasTextLayout textLayout = new CanvasTextLayout(ds, text, textFormat, Single.PositiveInfinity, Single.PositiveInfinity);
Xamarin.Forms.Size size = new Xamarin.Forms.Size(textLayout.LayoutBounds.Width, textLayout.LayoutBounds.Height);
textLayout.Dispose();
return(size);
}
public Xamarin.Forms.Size GetImageSize(string name)
{
UIImage image = UIImage.FromFile(name);
var size = new Xamarin.Forms.Size(
(double)image.Size.Width,
(double)image.Size.Height);
image.Dispose();
return(size);
}
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
if (_dialogElement != null)
{
_dialogElement.OnCreated(_iDialogMsg);
}
var size = new Xamarin.Forms.Size();
var droidView = _xfView.ConvertFormsToNative(_mContext);
_dialogSize = SetDialogSize(ref size);
_xfView.Layout(new Xamarin.Forms.Rectangle(Xamarin.Forms.Point.Zero,
size));
return(droidView);
}
public void UpdateMarkerLayout()
{
Components.MarkerView element = Element;
if (element == null)
{
return;
}
var size = element.Measure(double.PositiveInfinity, double.PositiveInfinity, Xamarin.Forms.MeasureFlags.IncludeMargins);
Xamarin.Forms.Size request = size.Request;
Frame = new CGRect(element.X, element.Y, request.Width, request.Height);
LayoutSubviews();
UpdateCanvasInfo(Frame, UIKit.UIScreen.MainScreen.Scale);
}
public override Xamarin.Forms.SizeRequest Measure(Xamarin.Forms.Size availableSize)
{
var lblSize = base.Measure(availableSize);
if (_image9 != null)
{
return(new Xamarin.Forms.SizeRequest(new Xamarin.Forms.Size(_image9.Width, _image9.Height), new Xamarin.Forms.Size(_image9.Stretch.Horizontal.Margin, _image9.Stretch.Vertical.Margin)));
}
if (_image != null)
{
return(new Xamarin.Forms.SizeRequest(new Xamarin.Forms.Size(_image.Width, _image.Height), default(Xamarin.Forms.Size)));
}
return(lblSize);
}
void InternalSetPage(Xamarin.Forms.Page page)
{
IList <Action <SKCanvas, int, int> > renderChildren = new List <Action <SKCanvas, int, int> >();
_layout.AddView(new NativeSkiaView(this, new SkiaView((canvas, w, h) =>
{
canvas.Clear(SKColors.White);
_canvas = canvas;
_size = new Xamarin.Forms.Size(w, h);
foreach (var renderer in renderChildren)
{
renderer(canvas, w, h);
}
})));
_layout.BringToFront();
AddRenderers(page, renderChildren);
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
global::Xamarin.Forms.Forms.Init(this, bundle);
CrashManager.Register(this, "e4a1f908bf294318a617d37642aec6d4");
var size = new Xamarin.Forms.Size();
var metrics = Resources.DisplayMetrics;
size.Height = metrics.HeightPixels;
size.Width = metrics.WidthPixels;
App.Scale = metrics.Density;
Xamarin.FormsMaps.Init(this, bundle);
LoadApplication(new App());
}
protected virtual void SetViewAndText(Toast toast)
{
if (_toastView != null)
{
//设定文本
var dialogEle = _toastView as IDialogElement;
dialogEle?.OnCreated(_dialogMsg);
var droidView = _toastView.ConvertFormsToNative(_mContext);
var winWidth = WindowSize.X / Density;
var winHeight = WindowSize.Y / Density;
_toastViewSize = _toastView.Measure(winWidth, winHeight).Request;
_toastView.Layout(new Xamarin.Forms.Rectangle(0, 0, _toastViewSize.Width, _toastViewSize.Height));
var lastView = WrapperViewAndControlSize(droidView);
toast.View = lastView;
}
else
{
toast.SetText(_dialogMsg.Msg);
}
}
public Xamarin.Forms.Size MeasureText(string text)
{
if (font == null || font.NativeFont == null)
{
return(Xamarin.Forms.Size.Zero);
}
var attributedString = new NSAttributedString(text, new CTStringAttributes()
{
Font = font.NativeFont, ForegroundColorFromContext = true
});
CTLine ctLine = new CTLine(attributedString);
Xamarin.Forms.Size size = new Xamarin.Forms.Size((float)ctLine.GetTypographicBounds(), font.NativeFont.CapHeightMetric + font.NativeFont.DescentMetric);
ctLine.Dispose();
attributedString.Dispose();
return(size);
}
/// <summary>
/// Get image stream from lines
/// </summary>
/// <param name="points">Drawing lines</param>
/// <param name="imageSize">Image size</param>
/// <param name="backgroundColor">Image background color</param>
/// <returns>Image stream</returns>
public static Stream GetImageStream(IList <Line> lines,
Size imageSize,
Color backgroundColor) =>
Stream.Null;
public Xamarin.Forms.Size PixelToDip(Xamarin.Forms.Size pixel)
{
return(new Xamarin.Forms.Size(pixel.Width * density, pixel.Height * density));
}
public Xamarin.Forms.Size DipToPixel(Xamarin.Forms.Size dip)
{
return(new Xamarin.Forms.Size(dip.Width * scaleInv, dip.Height * scaleInv));
}
public static CCSizeI NativeSize(this Xamarin.Forms.Size size)
{
return(new CCSizeI((int)size.Width, (int)size.Height));
}
public Xamarin.Forms.Size GetCameraSize()
{
Xamarin.Forms.Size camSize = new Xamarin.Forms.Size ();
Android.Hardware.Camera cam = Android.Hardware.Camera.Open ();
Android.Hardware.Camera.Parameters cameraParams = cam.GetParameters ();
camSize.Height = cameraParams.PictureSize.Height;
camSize.Width = cameraParams.PictureSize.Width;
cam.StopPreview ();
cam.Release ();
cam.Dispose ();
return camSize;
}
/// <summary>
/// Overriding Set size
/// </summary>
/// <param name="size"></param>
void IVisualElementRenderer.SetElementSize(Xamarin.Forms.Size size)
{
Element.OnSizeChanged((float)size.Width, (float)size.Height);
SetElementSize(size);
}
public Xamarin.Forms.Size PixelToDip(Xamarin.Forms.Size pixel)
{
return(new Xamarin.Forms.Size(pixel.Width * scale, pixel.Height * scale));
}
/// <summary>
/// Get image stream from points
/// </summary>
/// <param name="points">Drawing points</param>
/// <param name="imageSize">Image size</param>
/// <param name="lineWidth">Line Width</param>
/// <param name="strokeColor">Line color</param>
/// <param name="backgroundColor">Image background color</param>
/// <returns>Image stream</returns>
public static Stream GetImageStream(IList <Point> points,
Size imageSize,
float lineWidth,
Color strokeColor,
Color backgroundColor) =>
Stream.Null;