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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<head>
<title>Defold Druid UI Framework</title>
<link rel="stylesheet" href="../ldoc_fixed.css" type="text/css" />
</head>
<body>
<div id="container">
<div id="product">
<div id="product_logo"></div>
<div id="product_name"><big><b></b></big></div>
<div id="product_description"></div>
</div> <!-- id="product" -->
<div id="main">
<!-- Menu -->
<div id="navigation">
<br/>
<h1>Druid</h1>
<ul>
<li><a href="../index.html">Index</a></li>
</ul>
<h2>Contents</h2>
<ul>
<li><a href="#Functions">Functions</a></li>
<li><a href="#Tables">Tables</a></li>
<li><a href="#Fields">Fields</a></li>
</ul>
<h2>Modules</h2>
<ul class="nowrap">
<li><a href="../modules/BackHandler.html">BackHandler</a></li>
<li><a href="../modules/BaseComponent.html">BaseComponent</a></li>
<li><a href="../modules/Blocker.html">Blocker</a></li>
<li><a href="../modules/Button.html">Button</a></li>
<li><a href="../modules/DataList.html">DataList</a></li>
<li><a href="../modules/Drag.html">Drag</a></li>
<li><a href="../modules/Druid.html">Druid</a></li>
<li><a href="../modules/DruidEvent.html">DruidEvent</a></li>
<li><a href="../modules/DruidInstance.html">DruidInstance</a></li>
<li><a href="../modules/DynamicGrid.html">DynamicGrid</a></li>
<li><a href="../modules/Helper.html">Helper</a></li>
<li><a href="../modules/Hotkey.html">Hotkey</a></li>
<li><a href="../modules/Hover.html">Hover</a></li>
<li><a href="../modules/Input.html">Input</a></li>
<li><a href="../modules/LangText.html">LangText</a></li>
<li><a href="../modules/Layout.html">Layout</a></li>
<li><a href="../modules/Progress.html">Progress</a></li>
<li><a href="../modules/RichInput.html">RichInput</a></li>
<li><a href="../modules/RichText.html">RichText</a></li>
<li><a href="../modules/Scroll.html">Scroll</a></li>
<li><a href="../modules/Slider.html">Slider</a></li>
<li><a href="../modules/StaticGrid.html">StaticGrid</a></li>
<li><a href="../modules/Swipe.html">Swipe</a></li>
<li><strong>Text</strong></li>
<li><a href="../modules/Timer.html">Timer</a></li>
</ul>
</div>
<div id="content">
<h1>Module <code>Text</code></h1>
<p>Component for Wrapping GUI Text Nodes: Druid Text
<p> ## Overview ##
<p> Druid Text is a component that provides various adjustment modes for text nodes.</p>
<p> It allows text to be scaled down to fit within the size of the text node.
<p> ## Notes ##
<p> • The text pivot can be changed using the text:set_pivot method.
The anchoring will be inside the text node's area size.
<p> • There are several text adjustment types available. The default is DOWNSCALE.
You can change the default adjustment type in the Text style. Refer to the example below to see all available adjustment types:
<p> - const.TEXT_ADJUST.DOWNSCALE: Changes the text's scale to fit within the text node's size.
<p> - const.TEXT_ADJUST.TRIM: Trims the text with a postfix (default: "...", can be overridden in styles)
to fit within the text node's size.
<p> - const.TEXT_ADJUST.NO_ADJUST: No adjustment is applied, similar
to the default Defold Text Node behavior.
<p> - const.TEXT_ADJUST.DOWNSCALE_LIMITED: Changes the text's scale
with a limited downscale. You can set the minimum scale using the text:set_minimal_scale() function.
<p> - const.TEXT_ADJUST.SCROLL: Changes the text's pivot to imitate scrolling within the text box.
For better effect, use with a stencil node.
<p> - const.TEXT_ADJUST.SCALE_THEN_SCROLL: Combines two modes: limited downscale first, then scroll.
<p> <a href="https://insality.github.io/druid/druid/index.html?example=texts_general" target="_blank"><b>Example Link</b></a></p>
<h2><a href="#Functions">Functions</a></h2>
<table class="function_list">
<tr>
<td class="name" nowrap><a href="#get_text_adjust">get_text_adjust(self, adjust_type)</a></td>
<td class="summary">Return current text adjust type</td>
</tr>
<tr>
<td class="name" nowrap><a href="#get_text_index_by_width">get_text_index_by_width(self, width)</a></td>
<td class="summary">Get chars count by width</td>
</tr>
<tr>
<td class="name" nowrap><a href="#get_text_size">get_text_size(self, text)</a></td>
<td class="summary">Calculate text width with font with respect to trailing space</td>
</tr>
<tr>
<td class="name" nowrap><a href="#init">init(self, node, value, adjust_type)</a></td>
<td class="summary">The <a href="../modules/Text.html#">Text</a> constructor</td>
</tr>
<tr>
<td class="name" nowrap><a href="#is_multiline">is_multiline(self)</a></td>
<td class="summary">Return true, if text with line break</td>
</tr>
<tr>
<td class="name" nowrap><a href="#set_alpha">set_alpha(self, alpha)</a></td>
<td class="summary">Set alpha</td>
</tr>
<tr>
<td class="name" nowrap><a href="#set_color">set_color(self, color)</a></td>
<td class="summary">Set color</td>
</tr>
<tr>
<td class="name" nowrap><a href="#set_minimal_scale">set_minimal_scale(self, minimal_scale)</a></td>
<td class="summary">Set minimal scale for DOWNSCALE_LIMITED or SCALE_THEN_SCROLL adjust types</td>
</tr>
<tr>
<td class="name" nowrap><a href="#set_pivot">set_pivot(self, pivot)</a></td>
<td class="summary">Set text pivot.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#set_scale">set_scale(self, scale)</a></td>
<td class="summary">Set scale</td>
</tr>
<tr>
<td class="name" nowrap><a href="#set_size">set_size(self, size)</a></td>
<td class="summary">Set text area size</td>
</tr>
<tr>
<td class="name" nowrap><a href="#set_text_adjust">set_text_adjust(self, adjust_type, minimal_scale)</a></td>
<td class="summary">Set text adjust, refresh the current text visuals, if needed</td>
</tr>
<tr>
<td class="name" nowrap><a href="#set_to">set_to(self, set_to)</a></td>
<td class="summary">Set text to text field</td>
</tr>
</table>
<h2><a href="#Tables">Tables</a></h2>
<table class="function_list">
<tr>
<td class="name" nowrap><a href="#style">style</a></td>
<td class="summary">Component style params.</td>
</tr>
</table>
<h2><a href="#Fields">Fields</a></h2>
<table class="function_list">
<tr>
<td class="name" nowrap><a href="#adjust_type">adjust_type</a></td>
<td class="summary">Current text size adjust settings</td>
</tr>
<tr>
<td class="name" nowrap><a href="#color">color</a></td>
<td class="summary">Current text color</td>
</tr>
<tr>
<td class="name" nowrap><a href="#last_value">last_value</a></td>
<td class="summary">The last text value</td>
</tr>
<tr>
<td class="name" nowrap><a href="#node">node</a></td>
<td class="summary">Text node</td>
</tr>
<tr>
<td class="name" nowrap><a href="#node_id">node_id</a></td>
<td class="summary">The node id of text node</td>
</tr>
<tr>
<td class="name" nowrap><a href="#on_set_pivot">on_set_pivot</a></td>
<td class="summary">On change pivot callback(self, pivot)</td>
</tr>
<tr>
<td class="name" nowrap><a href="#on_set_text">on_set_text</a></td>
<td class="summary">On set text callback(self, text)</td>
</tr>
<tr>
<td class="name" nowrap><a href="#on_update_text_scale">on_update_text_scale</a></td>
<td class="summary">On adjust text size callback(self, new_scale, text_metrics)</td>
</tr>
<tr>
<td class="name" nowrap><a href="#pos">pos</a></td>
<td class="summary">Current text position</td>
</tr>
<tr>
<td class="name" nowrap><a href="#scale">scale</a></td>
<td class="summary">Current text node scale</td>
</tr>
<tr>
<td class="name" nowrap><a href="#start_scale">start_scale</a></td>
<td class="summary">Initial text node scale</td>
</tr>
<tr>
<td class="name" nowrap><a href="#start_size">start_size</a></td>
<td class="summary">Initial text node size</td>
</tr>
<tr>
<td class="name" nowrap><a href="#text_area">text_area</a></td>
<td class="summary">Current text node available are</td>
</tr>
</table>
<br/>
<br/>
<h2 class="section-header "><a name="Functions"></a>Functions</h2>
<dl class="function">
<dt>
<a name = "get_text_adjust"></a>
<strong>get_text_adjust(self, adjust_type)</strong>
</dt>
<dd>
Return current text adjust type
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
</li>
<li><span class="parameter">adjust_type</span>
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">number</span></span>
The current text adjust type
</ol>
</dd>
<dt>
<a name = "get_text_index_by_width"></a>
<strong>get_text_index_by_width(self, width)</strong>
</dt>
<dd>
Get chars count by width
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">width</span>
<span class="types"><span class="type">number</span></span>
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">number</span></span>
Chars count
</ol>
</dd>
<dt>
<a name = "get_text_size"></a>
<strong>get_text_size(self, text)</strong>
</dt>
<dd>
Calculate text width with font with respect to trailing space
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">text</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
|nil
</li>
</ul>
<h3>Returns:</h3>
<ol>
<li>
<span class="types"><span class="type">number</span></span>
Width</li>
<li>
<span class="types"><span class="type">number</span></span>
Height</li>
</ol>
</dd>
<dt>
<a name = "init"></a>
<strong>init(self, node, value, adjust_type)</strong>
</dt>
<dd>
The <a href="../modules/Text.html#">Text</a> constructor
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">node</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a> or <a class="type" href="../modules/Text.html#node">node</a></span>
Node name or GUI Text Node itself
</li>
<li><span class="parameter">value</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a> or <span class="type">nil</span></span>
Initial text. Default value is node text from GUI scene. Default: nil
</li>
<li><span class="parameter">adjust_type</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a> or <span class="type">nil</span></span>
Adjust type for text. By default is DOWNSCALE. Look const.TEXT_ADJUST for reference. Default: DOWNSCALE
</li>
</ul>
</dd>
<dt>
<a name = "is_multiline"></a>
<strong>is_multiline(self)</strong>
</dt>
<dd>
Return true, if text with line break
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">boolean</span></span>
Is text node with line break
</ol>
</dd>
<dt>
<a name = "set_alpha"></a>
<strong>set_alpha(self, alpha)</strong>
</dt>
<dd>
Set alpha
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">alpha</span>
<span class="types"><span class="type">number</span></span>
Alpha for node
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">Text</span></span>
Current text instance
</ol>
</dd>
<dt>
<a name = "set_color"></a>
<strong>set_color(self, color)</strong>
</dt>
<dd>
Set color
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">color</span>
<span class="types"><span class="type">vector4</span></span>
Color for node
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">Text</span></span>
Current text instance
</ol>
</dd>
<dt>
<a name = "set_minimal_scale"></a>
<strong>set_minimal_scale(self, minimal_scale)</strong>
</dt>
<dd>
Set minimal scale for DOWNSCALE_LIMITED or SCALE_THEN_SCROLL adjust types
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">minimal_scale</span>
<span class="types"><span class="type">number</span></span>
If pass nil - not use minimal scale
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">Text</span></span>
Current text instance
</ol>
</dd>
<dt>
<a name = "set_pivot"></a>
<strong>set_pivot(self, pivot)</strong>
</dt>
<dd>
Set text pivot. Text will re-anchor inside text area
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">pivot</span>
<span class="types"><span class="type">number</span></span>
The gui.PIVOT_* constant
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">Text</span></span>
Current text instance
</ol>
</dd>
<dt>
<a name = "set_scale"></a>
<strong>set_scale(self, scale)</strong>
</dt>
<dd>
Set scale
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">scale</span>
<span class="types"><span class="type">vector3</span></span>
Scale for node
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">Text</span></span>
Current text instance
</ol>
</dd>
<dt>
<a name = "set_size"></a>
<strong>set_size(self, size)</strong>
</dt>
<dd>
Set text area size
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">size</span>
<span class="types"><span class="type">vector3</span></span>
The new text area size
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">Text</span></span>
Current text instance
</ol>
</dd>
<dt>
<a name = "set_text_adjust"></a>
<strong>set_text_adjust(self, adjust_type, minimal_scale)</strong>
</dt>
<dd>
Set text adjust, refresh the current text visuals, if needed
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">adjust_type</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a> or <span class="type">nil</span></span>
See const.TEXT_ADJUST. If pass nil - use current adjust type
</li>
<li><span class="parameter">minimal_scale</span>
<span class="types"><span class="type">number</span> or <span class="type">nil</span></span>
If pass nil - not use minimal scale
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">Text</span></span>
Current text instance
</ol>
</dd>
<dt>
<a name = "set_to"></a>
<strong>set_to(self, set_to)</strong>
</dt>
<dd>
Set text to text field
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">self</span>
<span class="types"><span class="type">Text</span></span>
<a href="../modules/Text.html#">Text</a>
</li>
<li><span class="parameter">set_to</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
Text for node
</li>
</ul>
<h3>Returns:</h3>
<ol>
<span class="types"><span class="type">Text</span></span>
Current text instance
</ol>
</dd>
</dl>
<h2 class="section-header "><a name="Tables"></a>Tables</h2>
<dl class="function">
<dt>
<a name = "style"></a>
<strong>style</strong>
</dt>
<dd>
Component style params.
You can override this component styles params in druid styles table
or create your own style
<h3>Fields:</h3>
<ul>
<li><span class="parameter">TRIM_POSTFIX</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a> or <span class="type">nil</span></span>
The postfix for TRIM adjust type. Default: ...
</li>
<li><span class="parameter">DEFAULT_ADJUST</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a> or <span class="type">nil</span></span>
The default adjust type for any text component. Default: DOWNSCALE
</li>
<li><span class="parameter">ADJUST_STEPS</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a> or <span class="type">nil</span></span>
Amount of iterations for text adjust by height. Default: 20
</li>
<li><span class="parameter">ADJUST_SCALE_DELTA</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a> or <span class="type">nil</span></span>
Scale step on each height adjust step. Default: 0.02
</li>
</ul>
</dd>
</dl>
<h2 class="section-header "><a name="Fields"></a>Fields</h2>
<dl class="function">
<dt>
<a name = "adjust_type"></a>
<strong>adjust_type</strong>
</dt>
<dd>
Current text size adjust settings
<ul>
<li><span class="parameter">adjust_type</span>
<span class="types"><span class="type">number</span></span>
</li>
</ul>
</dd>
<dt>
<a name = "color"></a>
<strong>color</strong>
</dt>
<dd>
Current text color
<ul>
<li><span class="parameter">color</span>
<span class="types"><span class="type">vector3</span></span>
</li>
</ul>
</dd>
<dt>
<a name = "last_value"></a>
<strong>last_value</strong>
</dt>
<dd>
The last text value
<ul>
<li><span class="parameter">last_value</span>
<span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
</li>
</ul>
</dd>
<dt>
<a name = "node"></a>
<strong>node</strong>
</dt>
<dd>
Text node
<ul>
<li><span class="parameter">node</span>
<span class="types"><a class="type" href="../modules/Text.html#node">node</a></span>
</li>
</ul>
</dd>
<dt>
<a name = "node_id"></a>
<strong>node_id</strong>
</dt>
<dd>
The node id of text node
<ul>
<li><span class="parameter">node_id</span>
<span class="types"><span class="type">hash</span></span>
</li>
</ul>
</dd>
<dt>
<a name = "on_set_pivot"></a>
<strong>on_set_pivot</strong>
</dt>
<dd>
On change pivot callback(self, pivot)
<ul>
<li><span class="parameter">on_set_pivot</span>
<span class="types"><span class="type">DruidEvent</span></span>
<a href="../modules/DruidEvent.html#">DruidEvent</a>
</li>
</ul>
</dd>
<dt>
<a name = "on_set_text"></a>
<strong>on_set_text</strong>
</dt>
<dd>
On set text callback(self, text)
<ul>
<li><span class="parameter">on_set_text</span>
<span class="types"><span class="type">DruidEvent</span></span>
<a href="../modules/DruidEvent.html#">DruidEvent</a>
</li>
</ul>
</dd>
<dt>
<a name = "on_update_text_scale"></a>
<strong>on_update_text_scale</strong>
</dt>
<dd>
On adjust text size callback(self, new_scale, text_metrics)
<ul>
<li><span class="parameter">on_update_text_scale</span>
<span class="types"><span class="type">DruidEvent</span></span>
<a href="../modules/DruidEvent.html#">DruidEvent</a>
</li>
</ul>
</dd>
<dt>
<a name = "pos"></a>
<strong>pos</strong>
</dt>
<dd>
Current text position
<ul>
<li><span class="parameter">pos</span>
<span class="types"><span class="type">vector3</span></span>
</li>
</ul>
</dd>
<dt>
<a name = "scale"></a>
<strong>scale</strong>
</dt>
<dd>
Current text node scale
<ul>
<li><span class="parameter">scale</span>
<span class="types"><span class="type">vector3</span></span>
</li>
</ul>
</dd>
<dt>
<a name = "start_scale"></a>
<strong>start_scale</strong>
</dt>
<dd>
Initial text node scale
<ul>
<li><span class="parameter">start_scale</span>
<span class="types"><span class="type">vector3</span></span>
</li>
</ul>
</dd>
<dt>
<a name = "start_size"></a>
<strong>start_size</strong>
</dt>
<dd>
Initial text node size
<ul>
<li><span class="parameter">start_size</span>
<span class="types"><span class="type">vector3</span></span>
</li>
</ul>
</dd>
<dt>
<a name = "text_area"></a>
<strong>text_area</strong>
</dt>
<dd>
Current text node available are
<ul>
<li><span class="parameter">text_area</span>
<span class="types"><span class="type">vector3</span></span>
</li>
</ul>
</dd>
</dl>
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<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc TESTING</a></i>
<i style="float:right;">Last updated 2015-01-01 12:00:00 </i>
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