ExportOptionsPNG8
ExportOptionsPNG8
exportOptionsPNG8
Description
Options for exporting a document as an 8-bit PNG file, used with the Document.exportFile() method. All properties are optional.
When you export a document, the appropriate file extension is appended automatically. You should not include any file extension in the file specification.
Properties
ExportOptionsPNG8.antiAliasing
exportOptionsPNG8.antiAliasing
Description
If true, the exported image should be anti-aliased.
Default: true.
Type
Boolean.
ExportOptionsPNG8.artBoardClipping
exportOptionsPNG8.artBoardClipping
Description
If true, the exported image should be clipped to the art board.
Default: false.
Type
Boolean.
ExportOptionsPNG8.colorCount
exportOptionsPNG8.colorCount
Description
The number of colors in the exported image’s color table.
Range: 2 to 256.
Default: 128.
Type
Number (long).
ExportOptionsPNG8.colorDither
exportOptionsPNG8.colorDither
Description
The method used to dither colors in the exported image.
Default: ColorDitherMethod.Diffusion.
Type
ExportOptionsPNG8.colorReduction
exportOptionsPNG8.colorReduction
Description
The method used to reduce the number of colors in the exported image.
Default: ColorReductionMethod.SELECTIVE.
Type
ExportOptionsPNG8.ditherPercent
exportOptionsPNG8.ditherPercent
Description
The amount (as a percentage) that the colors of the exported image are dithered, where 100.0 is 100%.
Range: 0 to 100.
Default: 88.
Type
Number (long).
ExportOptionsPNG8.horizontalScale
exportOptionsPNG8.horizontalScale
Description
The horizontal scaling factor to apply to the exported image, where 100.0 is 100%.
Default: 100.0.
Type
Number (double).
ExportOptionsPNG8.interlaced
exportOptionsPNG8.interlaced
Description
If true, the exported image should be interlaced.
Default: false.
Type
Boolean.
ExportOptionsPNG8.matte
exportOptionsPNG8.matte
Description
If true, the art board should be matted with a color.
Default: true.
Type
Boolean.
ExportOptionsPNG8.matteColor
exportOptionsPNG8.matteColor
Description
The color to use when matting the art board.
Default: white.
Type
ExportOptionsPNG8.saveAsHTML
exportOptionsPNG8.saveAsHTML
Description
If true, the exported image be saved with an accompanying HTML file.
Default: false.
Type
Boolean.
ExportOptionsPNG8.transparency
exportOptionsPNG8.transparency
Description
If true, the exported image use transparency.
Default: true.
Type
Boolean.
ExportOptionsPNG8.typename
exportOptionsPNG8.typename
Description
The class name of the referenced object.
Type
String; read-only.
ExportOptionsPNG8.verticalScale
exportOptionsPNG8.verticalScale
Description
The vertical scaling factor to apply to the exported image, where 100.0 is 100.
Default: 100.0.
Type
Number (double).
ExportOptionsPNG8.webSnap
exportOptionsPNG8.webSnap
Description
Specifies how much the color table should be changed to match the web palette, where 100 is maximum.
Default: 0.
Type
Number (long).
Example
Exporting to PNG8 format
// Exports current document to dest as a PNG8 file with specified options,// dest contains the full path including the file name
function exportFileToPNG8(dest) { if (app.documents.length > 0) { var exportOptions = new ExportOptionsPNG8(); exportOptions.colorCount = 8; exportOptions.transparency = false;
var type = ExportType.PNG8; var fileSpec = new File(dest);
app.activeDocument.exportFile(fileSpec, type, exportOptions); }}