TextCreateTextItem: Difference between revisions

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__NOTOC__
__NOTOC__
==Description==
{{Server function}}
This function creates a text item. A text item represents a single area of text, much like a label does in standard GUI programming. A text item can only be seen by players if it is added to a [[textdisplay]] using [[textDisplayAddText]]. Each text item can be added to multiple displays, if need be.
This function creates a text item. A text item represents a single area of text, much like a label does in standard GUI programming. A text item can only be seen by players if it is added to a [[textdisplay]] using [[textDisplayAddText]]. Each text item can be added to multiple displays, if need be.


==Syntax==
==Syntax==
  [[textitem]] textCreateTextItem ( [text, x, y, priority, red, green, blue, alpha, scale] )
<syntaxhighlight lang="lua">
  textitem textCreateTextItem ( string text, float x, float y, [string priority, int red = 255, int green = 255, int blue = 255, int alpha = 255, float scale = 1, string alignX = "left", string alignY = "top", int shadowAlpha = 0] )
</syntaxhighlight>


===Required Arguments===
===Required Arguments===


None.
* '''text''': A string of text you want to display
* '''x''': A floating point number between 0.0 and 1.0 indicating how far across the screen the text should be shown, as a percentage of the width, from the left hand side.
* '''y''': A floating point number between 0.0 and 1.0 indicating how far down the screen the text should be shown, as a percentage of the height, from the top.


===Optional Arguments===
===Optional Arguments===
{{OptionalArg}}
{{OptionalArg}}
* '''text''': The text you want to be displayed initially.
 
* '''x''': A floating point number between 0.0 and 1.0 indicating how far across the screen the text should be shown, as a percentage of the width, from the left hand side.
* '''y''': A floating point number between 0.0 and 1.0 indicating how far down the screen the text should be shown, as a percentage of the height, from the top.
* '''priority''': How important it is that this text should be up to date on client's screens. Valid values are: "low", "medium", "high" which are aliases for 0, 1 and 2 respectively.
* '''priority''': How important it is that this text should be up to date on client's screens. Valid values are: "low", "medium", "high" which are aliases for 0, 1 and 2 respectively.
* '''red''': A value between 0 and 255 indicating how red the text should be.
* '''red''': A value between 0 and 255 indicating how red the text should be.
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* '''alpha''': A value between 0 and 255 indicating how transparent the text should be, with 0 being fully transparent, and 255 being opaque.
* '''alpha''': A value between 0 and 255 indicating how transparent the text should be, with 0 being fully transparent, and 255 being opaque.
* '''scale''': A floating point value indicating the scale of the text. The default is 1.0, which is around 12pt.
* '''scale''': A floating point value indicating the scale of the text. The default is 1.0, which is around 12pt.
* '''alignX''': A string representing the X-alignment of the text. ("left", "center", "right")
* '''alignY''': A string representing the Y-alignment of the text. ("top", "center", "bottom")
*'''shadowAlpha''': A value between 0 and 255 indicating how dark the drop shadow should be.
===Returns===
Returns a [[textitem]] object.


==Example==
==Example==
textDisplay = [[textCreateDisplay]] ();
<syntaxhighlight lang="lua">
[[textDisplayAddObserver]] ( textDisplay, player );
myDisplay = textCreateDisplay ()                             -- create a display
textItem = [[textCreateTextItem]] ( "Hello World", 0.5, 0.5, "low", 255, 0, 0, 0, 1.0 );
textDisplayAddObserver ( myDisplay, myPlayer )                -- make it visible to a player
[[textDisplayAddText]] ( textDisplay, textItem );
myTextItem = textCreateTextItem ( "Hello world!", 0.5, 0.5 )  -- create text item for the display
textDisplayAddText ( myDisplay, myTextItem )                 -- add created item to text display so it is displayed
</syntaxhighlight>
 
==See Also==
{{Text functions}}
[[ru:textCreateTextItem]]

Latest revision as of 15:42, 27 May 2012

This function creates a text item. A text item represents a single area of text, much like a label does in standard GUI programming. A text item can only be seen by players if it is added to a textdisplay using textDisplayAddText. Each text item can be added to multiple displays, if need be.

Syntax

 textitem textCreateTextItem ( string text, float x, float y, [string priority, int red = 255, int green = 255, int blue = 255, int alpha = 255, float scale = 1, string alignX = "left", string alignY = "top", int shadowAlpha = 0] )

Required Arguments

  • text: A string of text you want to display
  • x: A floating point number between 0.0 and 1.0 indicating how far across the screen the text should be shown, as a percentage of the width, from the left hand side.
  • y: A floating point number between 0.0 and 1.0 indicating how far down the screen the text should be shown, as a percentage of the height, from the top.

Optional Arguments

NOTE: When using optional arguments, you might need to supply all arguments before the one you wish to use. For more information on optional arguments, see optional arguments.

  • priority: How important it is that this text should be up to date on client's screens. Valid values are: "low", "medium", "high" which are aliases for 0, 1 and 2 respectively.
  • red: A value between 0 and 255 indicating how red the text should be.
  • green: A value between 0 and 255 indicating how green the text should be.
  • blue: A value between 0 and 255 indicating how blue the text should be.
  • alpha: A value between 0 and 255 indicating how transparent the text should be, with 0 being fully transparent, and 255 being opaque.
  • scale: A floating point value indicating the scale of the text. The default is 1.0, which is around 12pt.
  • alignX: A string representing the X-alignment of the text. ("left", "center", "right")
  • alignY: A string representing the Y-alignment of the text. ("top", "center", "bottom")
  • shadowAlpha: A value between 0 and 255 indicating how dark the drop shadow should be.

Returns

Returns a textitem object.

Example

myDisplay = textCreateDisplay ()                              -- create a display
textDisplayAddObserver ( myDisplay, myPlayer )                -- make it visible to a player
myTextItem = textCreateTextItem ( "Hello world!", 0.5, 0.5 )  -- create text item for the display
textDisplayAddText ( myDisplay, myTextItem )                  -- add created item to text display so it is displayed

See Also