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- <?xml version="1.0" encoding="utf-8"?>
- <effect label="HSFormula">
- <description>
- Given two inputs, the original image and the low-pass-filtered image, both converted to YIQA color space, the
- Highlights and Shadows Formula Effect applies a formula to adjust the luminosity of highlight or shadow regions of
- the image. This effect also provides a midtone contrast adjustment. This effect is not intended to be used
- directly but it is the main component of the Highlights and Shadows Composite Effect.
- </description>
-
- <property name="ShadowsAmount" type="float" default="0.0" label="Gain/amount in the shadows">
- <range min="-1.0" max="4.0"/>
- <comments>
- Adjust the local contrast in the shadows.
- </comments>
- </property>
-
- <property name="MidtonesAmount" type="float" default="0.0" label="Gain/amount in the midtones">
- <range min="-1.0" max="4.0"/>
- <comments>
- Adjust the local contrast in the midtones.
- </comments>
- </property>
-
- <property name="HighlightsAmount" type="float" default="0.0" label="Gain/amount in the highlights">
- <range min="-1.0" max="4.0"/>
- <comments>
- Adjust the local contrast in the highlights.
- </comments>
- </property>
-
- <property name="ShadowsUpperLimit" type="float" default="0.5" label="Shadows upper limits">
- <range min="0" max="0.75"/>
- <comments>
- Specifies the approximate range of tones in the shadows.
- </comments>
- </property>
-
- <property name="HighlightsLowerLimit" type="float" default="0.5" label="Highlights lower limit">
- <range min="0.25" max="1.0"/>
- <comments>
- Specifies the approximate range of tones in the highlights.
- </comments>
- </property>
-
- <property name="ColorCorrection" type="float" default="0.5" label="Color Correction">
- <range min="0.0" max="2"/>
- <comments>
- Adjust the saturation of colors in regions of the image that have changed.
- </comments>
- </property>
-
- <property name="BlackPoint" type="float" default="0.0" label="Black point">
- <range min="-0.25" max="0.25"/>
- <comments>
- Specify the black tone value that should not change in the shadows.
- </comments>
- </property>
-
- <property name="WhitePoint" type="float" default="1.0" label="White point">
- <range min="0.75" max="1.25"/>
- <comments>
- Specify the bright tone value that should not change in the highlights.
- </comments>
- </property>
-
- <property name="HighlightShadowWorkingColorSpace" type="int" default="1" label="Working Color Space">
- <choice>ModifyYIQ</choice>
- <choice>ModifyRGB</choice>
- <comments>
- Specify in which color space modifications are applied.
- </comments>
- </property>
-
- <input index="0"/>
- <input index="1"/>
- </effect>
-