Skip to content

Image

Summary

Represents the image chart control.

Signature

1
public class Image : ControlBase

Namespace

cAlgo.API

Examples

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 using cAlgo.API;
 namespace cAlgo
 {
     // This sample shows how to use image control to show images
     [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class ImageSample : Indicator
     {
         protected override void Initialize()
         {
             var image = new Image
             {
                 // Logo is an icon file inside project resources
                 Source = Properties.Resources.Logo,
                 Width = 200,
                 Height = 200,
                 HorizontalAlignment = HorizontalAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
             };
             Chart.AddControl(image);
         }
         public override void Calculate(int index)
         {
         }
     }
 }
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 using cAlgo.API;
 using System.IO;
 namespace cAlgo
 {
     [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.FullAccess)]
     public class ImageSample : Indicator
     {
         [Parameter("Image File Path")]
         public string ImageFilePath { get; set; }
         protected override void Initialize()
         {
             if (!File.Exists(ImageFilePath))
             {
                 Print($"Image not found: {ImageFilePath}");
                 return;
             }
             var imageBytes = File.ReadAllBytes(ImageFilePath);
             var image = new Image
             {
                 Source = imageBytes,
                 Width = 200,
                 Height = 200,
                 HorizontalAlignment = HorizontalAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center
             };
             Chart.AddControl(image);
         }
         public override void Calculate(int index)
         {
         }
     }
 }
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
 using cAlgo.API;
 namespace cAlgo.Robots;
 [Robot(AccessRights = AccessRights.None)]
 public class TestExample : Robot
 {
     private const string SVG = "";
     protected override void OnStart()
     {
         var svgImage = new Image
         {
             Source = new SvgIcon(SVG),
             HorizontalAlignment = HorizontalAlignment.Center,
             VerticalAlignment = VerticalAlignment.Center,
         };
         Chart.AddControl(svgImage);
     }
 }
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
 import clr
 clr.AddReference("cAlgo.API")
 # Import cAlgo API types
 from cAlgo.API import *
 # Import trading wrapper functions
 from robot_wrapper import *
 class Test():
     SVG = "<svg width='800px' height='800px' viewBox='0 0 1024 1024' class='icon'  version='1.1' xmlns='http://www.w3.org/2000/svg'><path d='M512 960c-92.8 0-160-200-160-448S419.2 64 512 64s160 200 160 448-67.2 448-160 448z m0-32c65.6 0 128-185.6 128-416S577.6 96 512 96s-128 185.6-128 416 62.4 416 128 416z' fill='#050D42' /><path d='M124.8 736c-48-80 92.8-238.4 307.2-363.2S852.8 208 899.2 288 806.4 526.4 592 651.2 171.2 816 124.8 736z m27.2-16c33.6 57.6 225.6 17.6 424-97.6S905.6 361.6 872 304 646.4 286.4 448 401.6 118.4 662.4 152 720z' fill='#050D42' /><path d='M899.2 736c-46.4 80-254.4 38.4-467.2-84.8S76.8 368 124.8 288s254.4-38.4 467.2 84.8S947.2 656 899.2 736z m-27.2-16c33.6-57.6-97.6-203.2-296-318.4S184 246.4 152 304 249.6 507.2 448 622.4s392 155.2 424 97.6z' fill='#050D42' /><path d='M512 592c-44.8 0-80-35.2-80-80s35.2-80 80-80 80 35.2 80 80-35.2 80-80 80zM272 312c-27.2 0-48-20.8-48-48s20.8-48 48-48 48 20.8 48 48-20.8 48-48 48zM416 880c-27.2 0-48-20.8-48-48s20.8-48 48-48 48 20.8 48 48-20.8 48-48 48z m448-432c-27.2 0-48-20.8-48-48s20.8-48 48-48 48 20.8 48 48-20.8 48-48 48z' fill='#2F4BFF' /></svg>"
     def on_start(self):
         svgImage = Image()
         svgImage.Source = SvgIcon(self.SVG)
         svgImage.HorizontalAlignment = HorizontalAlignment.Center
         svgImage.VerticalAlignment = VerticalAlignment.Center
         api.Chart.AddControl(svgImage)

Methods

Accept

Signature

1
internal void Accept(IChartControlVisitor visitor)

Parameters

Name Type Description
visitor IChartControlVisitor

Return Value

void

Properties

Source

Summary

Gets or sets the source of the image.

Remarks

You can set source to Bitmap, bytes array of a bitmap, or SvgIcon

Signature

1
public object Source {get; set;}

Return Value

object

Stretch

Summary

Gets or sets a value that describes how an Image should be stretched to fill the destination rectangle.

Signature

1
public Stretch Stretch {get; set;}

Return Value

Stretch

Related Tutorials

StretchDirection

Summary

Gets or sets a value that indicates how the image is scaled.

Signature

1
public StretchDirection StretchDirection {get; set;}

Return Value

StretchDirection

Related Tutorials