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Old 04-04-2015, 11:23 AM   #1
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Default TEXT object at 90 degrees?

I would like to draw a text on the chart at 90 degrees.
I do not know if NinjaScript allows you to do this.
For example I can print TEST object with
PHP Code:
DrawText("text"false"text in 0 degree"Time[20], Close[20]-100*TickSize10Color.Blue, new Font ("Arial"12FontStyle.Bold), StringAlignment.CenterColor.BlackColor.Yellow5); 

but.... I want to draw the TEST object at 90 degrees or 45 degrees, as I can do with metaquote language for Metatrader
Is it possible to do it with NinjaScript C# based?
If so, how?

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Old 04-04-2015, 03:30 PM   #2
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Hello Umberto,

Thank you for your post.

This is not possible with the current DrawText object. However, this can be done using custom drawing in the Plot() method.

Please note that this is not supported programming but you can view a sample of the Plot by going to Tools -> Edit NinjaScript -> Indicator -> Custom Plot Sample

You can also review the Graphics class from the MSDN article below -
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Old 04-05-2015, 10:40 AM   #3
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In the reported indicator and at the MSDN link I have not found a complete example of how to print a text in X degrees.
I have not found anything that can be done with a few lines of code ...
Is it possible that no developer needs to print on a chart a short sentence at 90 or X degrees?
... Or perhaps with C #, to be able to print an oblique phrase it is necessary to write dozens of lines of code?
Last edited by umbertosm; 04-05-2015 at 12:56 PM.
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Old 04-05-2015, 02:01 PM   #4
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With a custom plot this is pretty easy to do.

You need to know the (x,y) position of the text on your chart. Then within the custom plot you basically need to follow the steps as shown below

//Save the current graphics state
GraphicsState state =  graphics.Save();
//Translate to desired position on chart
graphics,TranslateTransform(x, y, MatrixOrder.Append);
//Draw Text at origin of chart
graphics.DrawString(text, textFont, textBrush, 0, 0, stringFormat);
//Restore the graphics state
It is important to apply rotation first, then translation before drawing the string at the origin.

I had never done this before (do not know what it is good for ....), but the chart below shows that it is easy to do. All the labels are now shown in 45 degrees, Just for fun.
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Old 01-06-2018, 08:39 PM   #5
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Default Function to create rotated text at any position and angle

As Harry stated, if one knows what to do, it is actually relatively easy to create rotated text. Thanks to his suggestions, a function which can be called to place text at a specified location with specified rotation was created. A indicator, dfExampleRotatedText.zip, demonstrating its use is attached.

HTML Code:
private StringFormat            stringFormat    = new StringFormat();
private SolidBrush              textBrush       = new SolidBrush(Color.Black);
private System.Drawing.Font     textFont        = new Font("Consolas", 10);

string RotatedText(Graphics gptr, string text, float x, float y, float rot)
    // Function to create rotated text
    // Requires stringFormat, textBrush and textFont to be defined.
    return text;
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File Type: zip dfExampleRotatedText.zip (3.1 KB, 10 views)
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