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ColorPicker: Add intensity slider

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Add intensity slider to all color modes. Replace raw mode by linear mode, which uses linear color space.

When color is overbright, automatically switch hex text to script text. Allow executing expression in script text field to set color. Add the "script" icon to the default theme.
This commit is contained in:
LuoZhihao 2025-05-23 12:45:29 +08:00
parent 32eafc18b4
commit 8a9409257b
13 changed files with 545 additions and 298 deletions
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14
doc/classes/ColorPicker.xml
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@ -73,6 +73,9 @@
<member name="edit_alpha" type="bool" setter="set_edit_alpha" getter="is_editing_alpha" default="true">
If [code]true[/code], shows an alpha channel slider (opacity).
</member>
<member name="edit_intensity" type="bool" setter="set_edit_intensity" getter="is_editing_intensity" default="true">
If [code]true[/code], shows an intensity slider. The intensity is applied as follows: multiply the color by [code]2 ** intensity[/code] in linear RGB space, and then convert it back to sRGB.
</member>
<member name="hex_visible" type="bool" setter="set_hex_visible" getter="is_hex_visible" default="true">
If [code]true[/code], the hex color code input field is visible.
</member>
@ -111,13 +114,15 @@
</signals>
<constants>
<constant name="MODE_RGB" value="0" enum="ColorModeType">
Allows editing the color with Red/Green/Blue sliders.
Allows editing the color with Red/Green/Blue sliders in sRGB color space.
</constant>
<constant name="MODE_HSV" value="1" enum="ColorModeType">
Allows editing the color with Hue/Saturation/Value sliders.
</constant>
<constant name="MODE_RAW" value="2" enum="ColorModeType">
Allows the color R, G, B component values to go beyond 1.0, which can be used for certain special operations that require it (like tinting without darkening or rendering sprites in HDR).
<constant name="MODE_RAW" value="2" enum="ColorModeType" deprecated="This is replaced by [constant MODE_LINEAR].">
</constant>
<constant name="MODE_LINEAR" value="2" enum="ColorModeType">
Allows editing the color with Red/Green/Blue sliders in linear color space.
</constant>
<constant name="MODE_OKHSL" value="3" enum="ColorModeType">
Allows editing the color with Hue/Saturation/Lightness sliders.
@ -171,6 +176,9 @@
<theme_item name="color_hue" data_type="icon" type="Texture2D">
Custom texture for the hue selection slider on the right.
</theme_item>
<theme_item name="color_script" data_type="icon" type="Texture2D">
The icon for the button that switches color text to hexadecimal.
</theme_item>
<theme_item name="expanded_arrow" data_type="icon" type="Texture2D">
The icon for color preset drop down menu when expanded.
</theme_item>