.. meta:: :description: Page about the quadratic blending modes in Krita: Freeze, Freeze-Reflect, Glow, Glow-Heat, Heat, Heat-Glow, Heat-Glow/Freeze-Reflect Hybrid, Reflect and Reflect-Freeze. .. metadata-placeholder :authors: - Wolthera van Hövell tot Westerflier - Reptorian :license: GNU free documentation license 1.3 or later. .. index:: Quadratic .. _bm_cat_quadratric: Quadratic --------- .. versionadded:: 4.2 The quadratic blending modes are a set of modes intended to give various effects when adding light zones or overlaying shiny objects. .. _bm_cat_freeze: .. index:: ! Freeze Blending Mode Freeze ~~~~~~ The freeze blending mode. Inversion of the reflect blending mode. .. figure:: /images/blending_modes/quadratic/Blending_modes_Q_Freeze_Light_blue_and_Orange.png :align: center Left: **Normal**. Right: **Freeze**. .. _bm_cat_freeze_reflect: Freeze-Reflect ~~~~~~~~~~~~~~ Mix of Freeze and Reflect blend mode. .. figure:: /images/blending_modes/quadratic/Blending_modes_Q_Freeze_Reflect_Light_blue_and_Orange.png :align: center Left: **Normal**. Right: **Freeze-Reflect**. .. _bm_cat_glow: Glow ~~~~ Reflect Blend Mode with source and destination layers swapped. .. figure:: /images/blending_modes/quadratic/Blending_modes_Q_Glow_Light_blue_and_Orange.png :align: center Left: **Normal**. Right: **Glow**. .. _bm_cat_glow_heat: Glow-Heat ~~~~~~~~~ Mix of Glow and Heat blend mode. .. figure:: /images/blending_modes/quadratic/Blending_modes_Q_Glow_Heat_Light_blue_and_Orange.png :align: center Left: **Normal**. Right: **Glow_Heat**. .. _bm_cat_heat: Heat ~~~~ The Heat Blend Mode. Inversion of the Glow Blend Mode. .. figure:: /images/blending_modes/quadratic/Blending_modes_Q_Heat_Light_blue_and_Orange.png :align: center Left: **Normal**. Right: **Heat**. .. _bm_cat_heat_glow: Heat-Glow ~~~~~~~~~ Mix of Heat, and Glow blending mode. .. figure:: /images/blending_modes/quadratic/Blending_modes_Q_Heat_Glow_Light_blue_and_Orange.png :align: center Left: **Normal**. Right: **Heat-Glow**. .. _bm_cat_heat_glow_freeze_reflect: Heat-Glow and Freeze-Reflect Hybrid ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Mix of the continuous quadratic blending modes. Very similar to overlay, and sometimes provides better result than overlay. .. figure:: /images/blending_modes/quadratic/Blending_modes_Q_Heat_Glow_Freeze_Reflect_Light_blue_and_Orange.png :align: center Left: **Normal**. Right: **Heat-Glow and Freeze-Reflect Hybrid**. .. _bm_cat_reflect: Reflect ~~~~~~~ Reflect is essentially Color Dodge Blending mode with quadratic falloff. .. figure:: /images/blending_modes/quadratic/Blending_modes_Q_Reflect_Light_blue_and_Orange.png :align: center Left: **Normal**. Right: **Reflect**. .. _bm_cat_reflect_freeze: Reflect-Freeze ~~~~~~~~~~~~~~ Mix of Reflect and Freeze blend mode. .. figure:: /images/blending_modes/quadratic/Blending_modes_Q_Reflect_Freeze_Light_blue_and_Orange.png :align: center Left: **Normal**. Right: **Reflect-Freeze**.