int(*VipsRegionWrite)(VipsRegion*region,VipsRect*area,void*a)

The function should write the pixels inarea fromregion.a is thevalue passed intovips_sink_disc().

region

Type: VipsRegion

Get pixels from here.

The data is owned by the caller of the function.

area

Type: VipsRect

Area to write.

The data is owned by the caller of the function.

a

Type: void*

Client data.

The argument can beNULL.

The data is owned by the caller of the function.