Posterize Effects

  • Article

The following XML defines the "posterize" category of effects in Windows Movie Maker. These effects reduce the number of color tones in an image by combining similar tones into fewer tones.

Following the XML are tables that specify which parameters in this XML can be changed, and which cannot.

<TransitionsAndEffects Version="2.8">
    <Effects>
        <EffectDLL guid="TFX">
            <Effect nameID="62865" iconid="20" guid="Posterize" comment="Posterize" shadermodel="2">
                <Param name="Animation" value="FX" />
                <Param name="FXFile" value="Parity.fx" />
                <Param name="Technique" value="Posterize" />
                <Semantics>
                    <PosterizeLevels Evaluation="Step" type="int">
                        <Point time="0.0" value="5"/>
                    </PosterizeLevels>
                </Semantics>
            </Effect>
            <Effect nameID="62866" iconid="29" guid="Threshold" comment="Threshold" shadermodel="2">
                <Param name="Animation" value="FX" />
                <Param name="FXFile" value="Parity.fx" />
                <Param name="Technique" value="Posterize" />
                <Semantics>
                    <PosterizeLevels Evaluation="Step" type="int">
                        <Point time="0.0" value="1"/>
                    </PosterizeLevels>
                </Semantics>
            </Effect>
        </EffectDLL>
    </Effects>
</TransitionsAndEffects>

Non-Customizable Parameters

Parameter Value
Animation FX
FXFile Parity.fx
Technique Posterize

Customizable Parameters

Parameter or
element		 Type Range/options Description
PosterizeLevels int 1 – 255 The number of colors to which the image will be reduced.
Point float 0.0 – 1.0 The point within the duration of the effect at which the enclosing element will have the specified value. When the time attribute is equal to 0.0, it indicates the starting point of the clip; when the time attribute is equal to 1.0, it indicates the end point of the clip.

For more information on the Point element, see Changes to the XML Schema.

Requirements

Client: Windows Vista

See Also