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a647fb3e62
Using codespell 2.2-dev from current git. Fix a couple incorrect uses of gendered pronouns.
292 lines
14 KiB
XML
292 lines
14 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="Font" inherits="Resource" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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Font class is set of font data sources used to draw text.
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</brief_description>
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<description>
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Font contains a set of glyphs to represent Unicode characters, as well as the ability to draw it with variable width, ascent, descent and kerning.
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[b]Note:[/b] A character is a symbol that represents an item (letter, digit etc.) in an abstract way.
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[b]Note:[/b] A glyph is a bitmap or shape used to draw a one or more characters in a context-dependent manner. Glyph indices are bound to the specific font data source.
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[b]Note:[/b] If a non of the font data sources contain glyphs for a character used in a string, the character in question will be replaced with a box displaying its hexadecimal code.
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[codeblocks]
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[gdscript]
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var font = Font.new()
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font.add_data(load("res://BarlowCondensed-Bold.ttf"))
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$"Label".set("custom_fonts/font", font)
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$"Label".set("custom_fonts/font_size", 64)
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[/gdscript]
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[csharp]
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var font = new Font();
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font.AddData(ResourceLoader.Load<FontData>("res://BarlowCondensed-Bold.ttf"));
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GetNode("Label").Set("custom_fonts/font", font);
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GetNode("Label").Set("custom_font_sizes/font_size", 64);
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[/csharp]
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[/codeblocks]
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To control font substitution priority use [FontData] language and script support.
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Use language overrides to use same [Font] stack for multiple languages:
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[codeblocks]
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[gdscript]
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# Use Naskh font for Persian and Nastaʼlīq font for Urdu text.
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var font_data_fa = load("res://NotoNaskhArabicUI_Regular.ttf");
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font_data_fa.set_language_support_override("fa", true);
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font_data_fa.set_language_support_override("ur", false);
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var font_data_ur = load("res://NotoNastaliqUrdu_Regular.ttf");
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font_data_ur.set_language_support_override("fa", false);
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font_data_ur.set_language_support_override("ur", true);
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[/gdscript]
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[csharp]
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// Use Naskh font for Persian and Nastaʼlīq font for Urdu text.
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var fontDataFA = ResourceLoader.Load<FontData>("res://NotoNaskhArabicUI_Regular.ttf");
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fontDataFA.SetLanguageSupportOverride("fa", true);
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fontDataFA.SetLanguageSupportOverride("ur", false);
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var fontDataUR = ResourceLoader.Load<FontData>("res://NotoNastaliqUrdu_Regular.ttf");
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fontDataUR.SetLanguageSupportOverride("fa", false);
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fontDataUR.SetLanguageSupportOverride("ur", true);
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[/csharp]
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[/codeblocks]
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Use script overrides to specify supported scripts for bitmap font or for less common scripts not directly supported by TrueType format:
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[codeblocks]
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[gdscript]
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# Use specified font for Egyptian hieroglyphs.
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var font_data = load("res://unifont.ttf");
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font_data.set_script_support_override("Egyp", true);
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[/gdscript]
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[csharp]
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// Use specified font for Egyptian hieroglyphs.
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var fontData = ResourceLoader.Load<FontData>("res://unifont.ttf");
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fontData.SetScriptSupportOverride("Egyp", true);
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[/csharp]
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[/codeblocks]
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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="add_data">
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<return type="void" />
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<argument index="0" name="data" type="FontData" />
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<description>
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Add font data source to the set.
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</description>
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</method>
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<method name="clear_data">
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<return type="void" />
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<description>
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Removes all font data sourcers for the set.
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</description>
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</method>
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<method name="draw_char" qualifiers="const">
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<return type="float" />
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<argument index="0" name="canvas_item" type="RID" />
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<argument index="1" name="pos" type="Vector2" />
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<argument index="2" name="char" type="int" />
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<argument index="3" name="next" type="int" default="0" />
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<argument index="4" name="size" type="int" default="16" />
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<argument index="5" name="modulate" type="Color" default="Color(1, 1, 1, 1)" />
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<argument index="6" name="outline_size" type="int" default="0" />
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<argument index="7" name="outline_modulate" type="Color" default="Color(1, 1, 1, 0)" />
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<description>
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Draw a single Unicode character [code]char[/code] into a canvas item using the font, at a given position, with [code]modulate[/code] color, and optionally kerning if [code]next[/code] is passed. [code]position[/code] specifies the baseline, not the top. To draw from the top, [i]ascent[/i] must be added to the Y axis.
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[b]Note:[/b] Do not use this function to draw strings character by character, use [method draw_string] or [TextLine] instead.
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</description>
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</method>
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<method name="draw_multiline_string" qualifiers="const">
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<return type="void" />
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<argument index="0" name="canvas_item" type="RID" />
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<argument index="1" name="pos" type="Vector2" />
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<argument index="2" name="text" type="String" />
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<argument index="3" name="alignment" type="int" enum="HorizontalAlignment" default="0" />
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<argument index="4" name="width" type="float" default="-1" />
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<argument index="5" name="max_lines" type="int" default="-1" />
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<argument index="6" name="size" type="int" default="16" />
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<argument index="7" name="modulate" type="Color" default="Color(1, 1, 1, 1)" />
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<argument index="8" name="outline_size" type="int" default="0" />
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<argument index="9" name="outline_modulate" type="Color" default="Color(1, 1, 1, 0)" />
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<argument index="10" name="flags" type="int" default="99" />
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<description>
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Breaks [code]text[/code] to the lines using rules specified by [code]flags[/code] and draws it into a canvas item using the font, at a given position, with [code]modulate[/code] color, optionally clipping the width and aligning horizontally. [code]position[/code] specifies the baseline of the first line, not the top. To draw from the top, [i]ascent[/i] must be added to the Y axis.
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See also [method CanvasItem.draw_multiline_string].
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</description>
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</method>
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<method name="draw_string" qualifiers="const">
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<return type="void" />
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<argument index="0" name="canvas_item" type="RID" />
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<argument index="1" name="pos" type="Vector2" />
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<argument index="2" name="text" type="String" />
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<argument index="3" name="alignment" type="int" enum="HorizontalAlignment" default="0" />
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<argument index="4" name="width" type="float" default="-1" />
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<argument index="5" name="size" type="int" default="16" />
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<argument index="6" name="modulate" type="Color" default="Color(1, 1, 1, 1)" />
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<argument index="7" name="outline_size" type="int" default="0" />
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<argument index="8" name="outline_modulate" type="Color" default="Color(1, 1, 1, 0)" />
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<argument index="9" name="flags" type="int" default="3" />
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<description>
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Draw [code]text[/code] into a canvas item using the font, at a given position, with [code]modulate[/code] color, optionally clipping the width and aligning horizontally. [code]position[/code] specifies the baseline, not the top. To draw from the top, [i]ascent[/i] must be added to the Y axis.
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See also [method CanvasItem.draw_string].
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</description>
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</method>
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<method name="get_ascent" qualifiers="const">
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<return type="float" />
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<argument index="0" name="size" type="int" default="16" />
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<description>
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Returns the average font ascent (number of pixels above the baseline).
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[b]Note:[/b] Real ascent of the string is context-dependent and can be significantly different from the value returned by this function. Use it only as rough estimate (e.g. as the ascent of empty line).
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</description>
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</method>
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<method name="get_char_size" qualifiers="const">
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<return type="Vector2" />
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<argument index="0" name="char" type="int" />
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<argument index="1" name="next" type="int" default="0" />
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<argument index="2" name="size" type="int" default="16" />
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<description>
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Returns the size of a character, optionally taking kerning into account if the next character is provided.
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[b]Note:[/b] Do not use this function to calculate width of the string character by character, use [method get_string_size] or [TextLine] instead. The height returned is the font height (see also [method get_height]) and has no relation to the glyph height.
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</description>
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</method>
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<method name="get_data" qualifiers="const">
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<return type="FontData" />
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<argument index="0" name="idx" type="int" />
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<description>
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Returns the font data source at index [code]idx[/code]. If the index does not exist, returns [code]null[/code].
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</description>
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</method>
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<method name="get_data_count" qualifiers="const">
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<return type="int" />
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<description>
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Returns the number of font data sources.
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</description>
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</method>
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<method name="get_data_rid" qualifiers="const">
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<return type="RID" />
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<argument index="0" name="idx" type="int" />
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<description>
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Returns TextServer RID of the font data resources.
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</description>
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</method>
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<method name="get_descent" qualifiers="const">
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<return type="float" />
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<argument index="0" name="size" type="int" default="16" />
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<description>
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Returns the average font descent (number of pixels below the baseline).
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[b]Note:[/b] Real descent of the string is context-dependent and can be significantly different from the value returned by this function. Use it only as rough estimate (e.g. as the descent of empty line).
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</description>
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</method>
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<method name="get_height" qualifiers="const">
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<return type="float" />
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<argument index="0" name="size" type="int" default="16" />
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<description>
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Returns the total average font height (ascent plus descent) in pixels.
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[b]Note:[/b] Real height of the string is context-dependent and can be significantly different from the value returned by this function. Use it only as rough estimate (e.g. as the height of empty line).
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</description>
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</method>
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<method name="get_multiline_string_size" qualifiers="const">
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<return type="Vector2" />
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<argument index="0" name="text" type="String" />
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<argument index="1" name="width" type="float" default="-1" />
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<argument index="2" name="size" type="int" default="16" />
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<argument index="3" name="flags" type="int" default="96" />
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<description>
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Returns the size of a bounding box of a string broken into the lines, taking kerning and advance into account.
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See also [method draw_multiline_string].
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</description>
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</method>
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<method name="get_rids" qualifiers="const">
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<return type="Array" />
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<description>
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Returns [Array] of valid [FontData] [RID]s, which can be passed to the [TextServer] methods.
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</description>
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</method>
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<method name="get_spacing" qualifiers="const">
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<return type="int" />
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<argument index="0" name="spacing" type="int" enum="TextServer.SpacingType" />
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<description>
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Returns the spacing for the given [code]type[/code] (see [enum TextServer.SpacingType]).
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</description>
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</method>
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<method name="get_string_size" qualifiers="const">
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<return type="Vector2" />
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<argument index="0" name="text" type="String" />
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<argument index="1" name="size" type="int" default="16" />
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<argument index="2" name="alignment" type="int" enum="HorizontalAlignment" default="0" />
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<argument index="3" name="width" type="float" default="-1" />
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<argument index="4" name="flags" type="int" default="3" />
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<description>
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Returns the size of a bounding box of a string, taking kerning and advance into account.
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[b]Note:[/b] Real height of the string is context-dependent and can be significantly different from the value returned by [method get_height].
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See also [method draw_string].
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</description>
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</method>
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<method name="get_supported_chars" qualifiers="const">
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<return type="String" />
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<description>
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Returns a string containing all the characters available in the font.
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If a given character is included in more than one font data source, it appears only once in the returned string.
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</description>
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</method>
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<method name="get_underline_position" qualifiers="const">
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<return type="float" />
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<argument index="0" name="size" type="int" default="16" />
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<description>
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Returns average pixel offset of the underline below the baseline.
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[b]Note:[/b] Real underline position of the string is context-dependent and can be significantly different from the value returned by this function. Use it only as rough estimate.
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</description>
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</method>
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<method name="get_underline_thickness" qualifiers="const">
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<return type="float" />
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<argument index="0" name="size" type="int" default="16" />
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<description>
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Returns average thickness of the underline.
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[b]Note:[/b] Real underline thickness of the string is context-dependent and can be significantly different from the value returned by this function. Use it only as rough estimate.
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</description>
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</method>
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<method name="has_char" qualifiers="const">
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<return type="bool" />
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<argument index="0" name="char" type="int" />
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<description>
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Returns [code]true[/code] if a Unicode [code]char[/code] is available in the font.
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</description>
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</method>
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<method name="remove_data">
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<return type="void" />
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<argument index="0" name="idx" type="int" />
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<description>
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Removes the font data source at index [code]idx[/code]. If the index does not exist, nothing happens.
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</description>
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</method>
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<method name="set_data">
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<return type="void" />
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<argument index="0" name="idx" type="int" />
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<argument index="1" name="data" type="FontData" />
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<description>
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Sets the font data source at index [code]idx[/code]. If the index does not exist, nothing happens.
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</description>
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</method>
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<method name="set_spacing">
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<return type="void" />
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<argument index="0" name="spacing" type="int" enum="TextServer.SpacingType" />
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<argument index="1" name="value" type="int" />
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<description>
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Sets the spacing for [code]type[/code] (see [enum TextServer.SpacingType]) to [code]value[/code] in pixels (not relative to the font size).
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</description>
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</method>
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<method name="update_changes">
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<return type="void" />
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<description>
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After editing a font (changing data sources, etc.). Call this function to propagate changes to controls that might use it.
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</description>
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</method>
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</methods>
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<members>
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<member name="spacing_bottom" type="int" setter="set_spacing" getter="get_spacing" default="0">
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Extra spacing at the bottom of the line in pixels.
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</member>
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<member name="spacing_top" type="int" setter="set_spacing" getter="get_spacing" default="0">
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Extra spacing at the top of the line in pixels.
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</member>
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<member name="variation_coordinates" type="Dictionary" setter="set_variation_coordinates" getter="get_variation_coordinates" default="{}">
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Default font [url=https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxisreg]variation coordinates[/url].
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</member>
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</members>
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</class>
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