UXP Toolkit
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    Interface BitmapConversionOptions

    Options for converting an image to bitmap mode, using Document.changeMode with ChangeMode.BITMAP.

    https://developer.adobe.com/photoshop/uxp/2022/ps_reference/classes/document/#changemode

    const doc = app.activeDocument;
    await doc.changeMode(constants.ChangeMode.BITMAP, {
      method: constants.BitmapConversionType.DIFFUSIONDITHER,
      resolution: 72
    });

    // Convert with halftone screen
    await doc.changeMode(constants.ChangeMode.BITMAP, {
      method: constants.BitmapConversionType.HALFTONESCREEN,
      frequency: 60,
      angle: 45,
      shape: constants.BitmapHalfToneType.ROUND
    });

    objects/conversionoptions

    interface BitmapConversionOptions {
        angle?: number;
        frequency?: number;
        method?: BitmapConversionType;
        patternName?: string;
        resolution?: number;
        shape?: BitmapHalfToneType;
    }
    Index

    Properties

    angle? frequency? method? patternName? resolution? shape?

    Properties

    angle?: number

    The angle (in degrees) at which to orient individual dots. See shape property below. Valid only when the method property is set to BitmapConversionType.HALFTONESCREEN.

    -

    -180...180

    23.0

    frequency?: number

    The number of dots (per inch) to use. Valid only when the method property is set to BitmapConversionType.HALFTONESCREEN.

    -

    1.0..999.99

    23.0

    method?: BitmapConversionType

    The conversion method.

    DIFFUSIONDITHER

    23.0

    patternName?: string

    The name of the pattern to use. Valid only when the method property is set to BitmapConversionType.CUSTOMPATTERN.

    23.0

    resolution?: number

    The output resolution (in pixels per inch).

    72

    23.0

    shape?: BitmapHalfToneType

    The dot shape. Valid only when the method property is set to BitmapConversionType.HALFTONESCREEN.

    -

    23.0

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