# GimpUi.PreviewArea.prototype.blend

    function blend(x: Number(gint), y: Number(gint), width: Number(gint), height: Number(gint), type: Gimp.ImageType, buf1: ByteArray, rowstride1: Number(gint), buf2: ByteArray, rowstride2: Number(gint), opacity: Number(guint8)): void {
        // Gjs wrapper for gimp_preview_area_blend()
    }

Composites buf1 on buf2 with the given opacity, draws the result to area and queues a redraw on the given rectangle.

Since GIMP 2.2

x

  x offset in preview

y

  y offset in preview

width

  buffer width

height

  buffer height

type

  the Gimp.ImageType of buf1 and buf2

buf1

  a #guchar buffer that contains the pixel data for the lower layer

rowstride1

  rowstride of buf1

buf2

  a #guchar buffer that contains the pixel data for the upper layer

rowstride2

  rowstride of buf2

opacity

  The opacity of the first layer.