| 値 | 内容 |
|---|---|
| ColorReductionMethod.ADAPTIVE | 割り付け |
| ColorReductionMethod.PERCEPTUAL | 知覚的 |
| ColorReductionMethod.SELECTIVE | 特定 |
| ColorReductionMethod.WEB | 制限（WEB） |
var savefile=new File("~/Desktop/exp.png");
var exportOptions = new ExportOptionsPNG8();
exportOptions.colorCount = 8;
exportOptions.colorReduction = ColorReductionMethod.WEB;
app.activeDocument.exportFile(savefile, ExportType.PNG8, exportOptions);