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);
}
}