/// <summary>
/// Initializes a new instance of the
/// <see cref="NControlDemo.Forms.Xamarin.Plugins.FormsApp.Controls.CircularButtonControl"/> class.
/// </summary>
public ActionButton()
{
HeightRequest = 66;
WidthRequest = 66;
_label = new Label
{
Text = "+",
TextColor = Xamarin.Forms.Color.White,
FontSize = 30,
BackgroundColor = Xamarin.Forms.Color.Transparent,
HorizontalTextAlignment = Xamarin.Forms.TextAlignment.Center,
VerticalTextAlignment = Xamarin.Forms.TextAlignment.Center,
};
_circles = new NControlView
{
DrawingFunction = (canvas1, rect) => {
var fillColor = new NGraphics.Color(FillColor.R,
FillColor.G, FillColor.B, FillColor.A);
/*canvas1.FillEllipse(rect, fillColor);
* rect.Inflate(new NGraphics.Size(-2, -2));
* canvas1.FillEllipse(rect, Colors.White);*/
rect.Inflate(new NGraphics.Size(-4, -4));
canvas1.FillEllipse(rect, fillColor);
}
};
Content = new Grid
{
Children =
{
_circles,
_label,
}
};
}
/// <summary>
/// Initializes a new instance of the
/// <see cref="AvatarButton"/> class.
/// </summary>
public AvatarButton()
{
HeightRequest = 44;
WidthRequest = 44;
_label = new Label
{
Text = "+",
TextColor = Xamarin.Forms.Color.White,
FontSize = 17,
BackgroundColor = Xamarin.Forms.Color.Transparent,
XAlign = Xamarin.Forms.TextAlignment.Center,
YAlign = Xamarin.Forms.TextAlignment.Center,
};
_circle = new NControlView
{
DrawingFunction = (canvas1, rect) =>
{
var fillColor = new NGraphics.Color(FillColor.R,
FillColor.G, FillColor.B, FillColor.A);
canvas1.FillEllipse(rect, fillColor);
}
};
Content = new Grid
{
Children =
{
_circle,
_label,
}
};
}
private async void GenerateImage(object sender, EventArgs e)
{
_avatar.AvatarInitial = "C";
_avatar.FillColor = Color.Blue;
/*
*
01 - #71cfbf
02 - #e3a685
03 - #7eaae5
04 - #ca7c7a
05 - #bc789b
06 - #dd8785
*/
var colours = new List<string>()
{
"#71cfbf","#e3a685", "#7eaae5", "#ca7c7a", "#bc789b", "#dd8785"
};
// (NGraphics.IImageCanvas)
double canvasSize = 96;
double textSize = canvasSize / 2;
var canvasx = new ApplePlatform().CreateImageCanvas(new Size(canvasSize), 2);
//canvasx.FillEllipse(rect, new RadialGradientBrush(new NGraphics.Color("#0000ff"), new NGraphics.Color("#ff0000")));
//canvasx.DrawRectangle(rect, new Pen("#9966CC", 5D), new SolidBrush(NGraphics.Color.FromRGB(0)));
var rect = new Rect(new Size(canvasSize));
var initials = new string[]
{
"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",
"S", "T", "U", "V", "W", "X", "Y", "Z"
};
foreach(var colourString in colours)
{
var backColour = new NGraphics.Color(colourString);
canvasx.DrawRectangle(rect, new Pen(backColour), new SolidBrush(backColour));
double penWidth = 1D;
var innerBox = new Rect(new Point(rect.Center.X - textSize / 2, rect.Center.Y - textSize / 2), new Size(textSize));
// DEBUG only to see where the text appears within the parent container for centering purposes
//canvasx.DrawRectangle(innerBox, new Pen(Colors.LightGray));
// bug in NGraphics on ios draws text ABOVE the rectangle you specify
var textRec = new Rect(new Point(innerBox.Left + penWidth, innerBox.Top + innerBox.Height - penWidth - (textSize * 0.1)), new Size(textSize));
var font = new Font("Metric-Regular", textSize);
canvasx.DrawText("W", textRec, font, TextAlignment.Center, Pens.White, Brushes.White);
//canvasx.DrawText("W", rect.Center, new Font(), new NGraphics.Color("#9966cc") );
string fileName = System.IO.Path.Combine(_dataPath, string.Format("{0:dd-MM-yyyy-HH-mm-ss}.png", DateTime.Now));
canvasx.GetImage().SaveAsPng(fileName);
LogHost.Default.Debug(string.Format("image saved to {0}", fileName));
_drawnImage.Source = ImageSource.FromFile(fileName);
// var s = colourString;
// await MainPage.DisplayAlert("Done", string.Format("Done with {0}", s), "OK");
}
Device.BeginInvokeOnMainThread(async () => await this.DisplayAlert("All Done", "All Done", "OK"));
}
