From fef8f02fb4d1140c8d1f7ae8dded1f29625defce Mon Sep 17 00:00:00 2001
From: Emmanouil Papadeas <manoschool@yahoo.gr>
Date: Wed, 4 Oct 2023 18:19:28 +0300
Subject: [PATCH] Change color spaces in gradients

---
 Translations/Translations.pot  |  8 ++++++++
 src/UI/Nodes/GradientEdit.gd   |  4 ++++
 src/UI/Nodes/GradientEdit.tscn | 30 ++++++++++++++++++++++++++----
 3 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/Translations/Translations.pot b/Translations/Translations.pot
index e9040d48f..c0eb0b6b2 100644
--- a/Translations/Translations.pot
+++ b/Translations/Translations.pot
@@ -615,6 +615,14 @@ msgstr ""
 msgid "Constant"
 msgstr ""
 
+#. Refers to https://en.wikipedia.org/wiki/Color_space
+msgid "Color space:"
+msgstr ""
+
+#. A type of color space.
+msgid "Linear sRGB"
+msgstr ""
+
 msgid "General"
 msgstr ""
 
diff --git a/src/UI/Nodes/GradientEdit.gd b/src/UI/Nodes/GradientEdit.gd
index da1ab9d8a..73d7405ba 100644
--- a/src/UI/Nodes/GradientEdit.gd
+++ b/src/UI/Nodes/GradientEdit.gd
@@ -178,6 +178,10 @@ func _on_InterpolationOptionButton_item_selected(index: Gradient.InterpolationMo
 	gradient.interpolation_mode = index
 
 
+func _on_color_space_option_button_item_selected(index: Gradient.ColorSpace) -> void:
+	gradient.interpolation_color_space = index
+
+
 func _on_DivideButton_pressed() -> void:
 	divide_dialog.popup_centered()
 
diff --git a/src/UI/Nodes/GradientEdit.tscn b/src/UI/Nodes/GradientEdit.tscn
index fd05faef8..f0dc71822 100644
--- a/src/UI/Nodes/GradientEdit.tscn
+++ b/src/UI/Nodes/GradientEdit.tscn
@@ -34,10 +34,10 @@ offset_bottom = 7.0
 [node name="Popup" type="PopupPanel" parent="."]
 
 [node name="ColorPicker" type="ColorPicker" parent="Popup"]
-offset_left = 4.0
-offset_top = 4.0
-offset_right = 294.0
-offset_bottom = 572.0
+offset_left = 12.0
+offset_top = 8.0
+offset_right = 298.0
+offset_bottom = 576.0
 
 [node name="InterpolationContainer" type="HBoxContainer" parent="."]
 layout_mode = 2
@@ -60,6 +60,27 @@ popup/item_1/id = 1
 popup/item_2/text = "Cubic"
 popup/item_2/id = 2
 
+[node name="ColorSpaceContainer" type="HBoxContainer" parent="."]
+layout_mode = 2
+
+[node name="Label" type="Label" parent="ColorSpaceContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "Color space:"
+
+[node name="ColorSpaceOptionButton" type="OptionButton" parent="ColorSpaceContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+mouse_default_cursor_shape = 2
+item_count = 3
+selected = 0
+popup/item_0/text = "sRGB"
+popup/item_0/id = 0
+popup/item_1/text = "Linear sRGB"
+popup/item_1/id = 1
+popup/item_2/text = "Oklab"
+popup/item_2/id = 2
+
 [node name="DivideButton" type="Button" parent="."]
 layout_mode = 2
 mouse_default_cursor_shape = 2
@@ -103,5 +124,6 @@ text = "Add point at the end"
 [connection signal="resized" from="." to="." method="_on_GradientEdit_resized"]
 [connection signal="color_changed" from="Popup/ColorPicker" to="." method="_on_ColorPicker_color_changed"]
 [connection signal="item_selected" from="InterpolationContainer/InterpolationOptionButton" to="." method="_on_InterpolationOptionButton_item_selected"]
+[connection signal="item_selected" from="ColorSpaceContainer/ColorSpaceOptionButton" to="." method="_on_color_space_option_button_item_selected"]
 [connection signal="pressed" from="DivideButton" to="." method="_on_DivideButton_pressed"]
 [connection signal="confirmed" from="DivideConfirmationDialog" to="." method="_on_DivideConfirmationDialog_confirmed"]