From 6257800d35b68b7b610945087e05cea230991691 Mon Sep 17 00:00:00 2001
From: ramonjd <ramonjd@gmail.com>
Date: Mon, 18 Jul 2022 16:09:30 +1000
Subject: [PATCH] Reinstating the commit in
 edeaca7068196f8960453965fe7fa64632d573ef so we can test fluid configuration

Update docs
---
 .../theme-json-reference/theme-json-living.md |  2 +-
 lib/block-supports/typography.php             | 16 ++++++------
 schemas/json/theme.json                       | 26 +++++++++++++++++--
 3 files changed, 33 insertions(+), 11 deletions(-)

diff --git a/docs/reference-guides/theme-json-reference/theme-json-living.md b/docs/reference-guides/theme-json-reference/theme-json-living.md
index 8f18ed7631b82..7ecbaeb197218 100644
--- a/docs/reference-guides/theme-json-reference/theme-json-living.md
+++ b/docs/reference-guides/theme-json-reference/theme-json-living.md
@@ -109,7 +109,7 @@ Settings related to typography.
 | customFontSize | boolean | true |  |
 | fontStyle | boolean | true |  |
 | fontWeight | boolean | true |  |
-| fluid | boolean |  |  |
+| fluid | object |  |  |
 | letterSpacing | boolean | true |  |
 | lineHeight | boolean | false |  |
 | textDecoration | boolean | true |  |
diff --git a/lib/block-supports/typography.php b/lib/block-supports/typography.php
index 212b058f822d7..fb354c5c2a728 100644
--- a/lib/block-supports/typography.php
+++ b/lib/block-supports/typography.php
@@ -378,19 +378,19 @@ function gutenberg_get_computed_fluid_typography_value( $args = array() ) {
  */
 function gutenberg_get_typography_font_size_value( $preset, $should_use_fluid_typography = false ) {
 	// Check if fluid font sizes are activated.
-	$typography_settings         = gutenberg_get_global_settings( array( 'typography' ) );
-	$should_use_fluid_typography = isset( $typography_settings['fluid'] ) && true === $typography_settings['fluid'] ? true : $should_use_fluid_typography;
+	$typography_settings = gutenberg_get_global_settings( array( 'typography' ) );
+	$fluid_settings      = isset( $typography_settings['fluid'] ) ? $typography_settings['fluid'] : $should_use_fluid_typography;
 
-	if ( ! $should_use_fluid_typography ) {
+	if ( ! $fluid_settings ) {
 		return $preset['size'];
 	}
 
 	// Defaults.
-	$default_maximum_viewport_width   = '1600px';
-	$default_minimum_viewport_width   = '768px';
-	$default_minimum_font_size_factor = 0.75;
-	$default_maximum_font_size_factor = 1.5;
-	$default_scale_factor             = 1;
+	$default_maximum_viewport_width   = isset( $fluid_settings['maxViewPortWidth'] ) ? $fluid_settings['maxViewPortWidth'] : '1600px';
+	$default_minimum_viewport_width   = isset( $fluid_settings['minViewPortWidth'] ) ? $fluid_settings['minViewPortWidth'] : '768px';
+	$default_minimum_font_size_factor = isset( $fluid_settings['minFontSizeFactor'] ) && is_numeric( $fluid_settings['minFontSizeFactor'] ) ? $fluid_settings['minFontSizeFactor'] : 0.75;
+	$default_maximum_font_size_factor = isset( $fluid_settings['maxFontSizeFactor'] ) && is_numeric( $fluid_settings['minFontSizeFactor'] ) ? $fluid_settings['maxFontSizeFactor'] : 1.5;
+	$default_scale_factor             = isset( $fluid_settings['scaleFactor'] ) && is_numeric( $fluid_settings['scaleFactor'] ) ? $fluid_settings['scaleFactor'] : 1;
 
 	// Font sizes.
 	$fluid_font_size_settings = isset( $preset['fluid'] ) ? $preset['fluid'] : null;
diff --git a/schemas/json/theme.json b/schemas/json/theme.json
index 947509c037774..9a5f75709abe1 100644
--- a/schemas/json/theme.json
+++ b/schemas/json/theme.json
@@ -337,8 +337,30 @@
 							"default": true
 						},
 						"fluid": {
-							"description": "Opts into fluid typography.",
-							"type": "boolean"
+							"description": "Enables fluid typography and allows users to set global fluid typography parameters.",
+							"type": "object",
+							"properties": {
+								"maxViewPortWidth": {
+									"description": "Allow users to set custom a max viewport width in px, rem or em, used to set the maximum size boundary of a fluid font.",
+									"type": "string"
+								},
+								"minViewPortWidth": {
+									"description": "Allow users to set custom a min viewport width in px, rem or em, used to set the minimum size boundary of a fluid font",
+									"type": "string"
+								},
+								"minFontSizeFactor": {
+									"description": "Used to calculate a minimum font size from a single size value, where `fluidSize.min` is not set.",
+									"type": "number"
+								},
+								"maxFontSizeFactor": {
+									"description": "Used to calculate a maximum font size from a single size value, where `fluidSize.max` is not set.",
+									"type": "number"
+								},
+								"scaleFactor": {
+									"description": "Determines the rate of font size change between the minimum and maximum font sizes. The higher the value the faster the change.",
+									"type": "number"
+								}
+							}
 						},
 						"letterSpacing": {
 							"description": "Allow users to set custom letter spacing.",