Makes FontData importable resource.

Adds multi-channel SDF font texture generation and rendering support.
Adds per-font oversampling support.
Adds FontData import plugins (for dynamic fonts, BMFonts and monospaced image fonts), font texture cache pre-generation and loading.
Adds BMFont binary format and outline support.

COPYRIGHT.txt

@@ -377,6 +377,11 @@ Comment: YUV2RGB
 Copyright: 2008-2011, Robin Watts
 License: BSD-2-clause
 
+Files: ./thirdparty/msdfgen/
+Comment: Multi-channel signed distance field generator
+Copyright: 2016, Viktor Chlumsky
+License: MIT
+
 Files: ./thirdparty/nanosvg/
 Comment: NanoSVG
 Copyright: 2013-2014, Mikko Mononen

SConstruct

@@ -156,6 +156,7 @@ opts.Add(BoolVariable("builtin_certs", "Use the built-in SSL certificates bundle
 opts.Add(BoolVariable("builtin_embree", "Use the built-in Embree library", True))
 opts.Add(BoolVariable("builtin_enet", "Use the built-in ENet library", True))
 opts.Add(BoolVariable("builtin_freetype", "Use the built-in FreeType library", True))
+opts.Add(BoolVariable("builtin_msdfgen", "Use the built-in MSDFgen library", True))
 opts.Add(BoolVariable("builtin_glslang", "Use the built-in glslang library", True))
 opts.Add(BoolVariable("builtin_graphite", "Use the built-in Graphite library", True))
 opts.Add(BoolVariable("builtin_harfbuzz", "Use the built-in HarfBuzz library", True))

doc/classes/CanvasItem.xml

@@ -106,6 +106,20 @@
 				Draws a [Mesh] in 2D, using the provided texture. See [MeshInstance2D] for related documentation.
 			</description>
 		</method>
+		<method name="draw_msdf_texture_rect_region">
+			<return type="void" />
+			<argument index="0" name="texture" type="Texture2D" />
+			<argument index="1" name="rect" type="Rect2" />
+			<argument index="2" name="src_rect" type="Rect2" />
+			<argument index="3" name="modulate" type="Color" default="Color(1, 1, 1, 1)" />
+			<argument index="4" name="outline" type="float" default="0.0" />
+			<argument index="5" name="pixel_range" type="float" default="4.0" />
+			<description>
+				Draws a textured rectangle region of the multi-channel signed distance field texture at a given position, optionally modulated by a color.
+				If [code]outline[/code] is positive, each alpha channel value of pixel in region is set to maximum value of true distance in the [code]outline[/code] radius.
+				Value of the [code]pixel_range[/code] should the same that was used during distance field texture generation.
+			</description>
+		</method>
 		<method name="draw_multiline">
 			<return type="void" />
 			<argument index="0" name="points" type="PackedVector2Array" />

doc/classes/Font.xml

@@ -70,6 +70,12 @@
 				Add font data source to the set.
 			</description>
 		</method>
+		<method name="clear_data">
+			<return type="void" />
+			<description>
+				Removes all font data sourcers for the set.
+			</description>
+		</method>
 		<method name="draw_char" qualifiers="const">
 			<return type="float" />
 			<argument index="0" name="canvas_item" type="RID" />
@@ -151,6 +157,13 @@
 				Returns the number of font data sources.
 			</description>
 		</method>
+		<method name="get_data_rid" qualifiers="const">
+			<return type="RID" />
+			<argument index="0" name="idx" type="int" />
+			<description>
+				Returns TextServer RID of the font data resources.
+			</description>
+		</method>
 		<method name="get_descent" qualifiers="const">
 			<return type="float" />
 			<argument index="0" name="size" type="int" default="-1" />
@@ -180,15 +193,18 @@
 		</method>
 		<method name="get_spacing" qualifiers="const">
 			<return type="int" />
-			<argument index="0" name="type" type="int" />
+			<argument index="0" name="spacing" type="int" enum="TextServer.SpacingType" />
 			<description>
-				Returns the spacing for the given [code]type[/code] (see [enum SpacingType]).
+				Returns the spacing for the given [code]type[/code] (see [enum TextServer.SpacingType]).
 			</description>
 		</method>
 		<method name="get_string_size" qualifiers="const">
 			<return type="Vector2" />
 			<argument index="0" name="text" type="String" />
 			<argument index="1" name="size" type="int" default="-1" />
+			<argument index="2" name="align" type="int" enum="HAlign" default="0" />
+			<argument index="3" name="width" type="float" default="-1" />
+			<argument index="4" name="flags" type="int" default="3" />
 			<description>
 				Returns the size of a bounding box of a string, taking kerning and advance into account.
 				[b]Note:[/b] Real height of the string is context-dependent and can be significantly different from the value returned by [method get_height].
@@ -242,10 +258,10 @@
 		</method>
 		<method name="set_spacing">
 			<return type="void" />
-			<argument index="0" name="type" type="int" />
+			<argument index="0" name="spacing" type="int" enum="TextServer.SpacingType" />
 			<argument index="1" name="value" type="int" />
 			<description>
-				Sets the spacing for [code]type[/code] (see [enum SpacingType]) to [code]value[/code] in pixels (not relative to the font size).
+				Sets the spacing for [code]type[/code] (see [enum TextServer.SpacingType]) to [code]value[/code] in pixels (not relative to the font size).
 			</description>
 		</method>
 		<method name="update_changes">
@@ -256,19 +272,19 @@
 		</method>
 	</methods>
 	<members>
-		<member name="extra_spacing_bottom" type="int" setter="set_spacing" getter="get_spacing" default="0">
+		<member name="base_size" type="int" setter="set_base_size" getter="get_base_size" default="16">
+			Default font size.
+		</member>
+		<member name="spacing_bottom" type="int" setter="set_spacing" getter="get_spacing" default="0">
 			Extra spacing at the bottom of the line in pixels.
 		</member>
-		<member name="extra_spacing_top" type="int" setter="set_spacing" getter="get_spacing" default="0">
+		<member name="spacing_top" type="int" setter="set_spacing" getter="get_spacing" default="0">
 			Extra spacing at the top of the line in pixels.
 		</member>
+		<member name="variation_coordinates" type="Dictionary" setter="set_variation_coordinates" getter="get_variation_coordinates" default="{}">
+			Default font [url=https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxisreg]variation coordinates[/url].
+		</member>
 	</members>
 	<constants>
-		<constant name="SPACING_TOP" value="0" enum="SpacingType">
-			Spacing at the top of the line.
-		</constant>
-		<constant name="SPACING_BOTTOM" value="1" enum="SpacingType">
-			Spacing at the bottom of the line.
-		</constant>
 	</constants>
 </class>