Method

GimpUiPreviewAreablend

Declaration [src]

void
gimp_preview_area_blend (
  GimpPreviewArea* area,
  gint x,
  gint y,
  gint width,
  gint height,
  GimpImageType type,
  const guchar* buf1,
  gint rowstride1,
  const guchar* buf2,
  gint rowstride2,
  guchar opacity
)

Description [src]

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

Parameters

x

Type: gint

X offset in preview.

y

Type: gint

Y offset in preview.

width

Type: gint

Buffer width.

height

Type: gint

Buffer height.

type

Type: GimpImageType

The GimpImageType of buf1 and buf2

buf1

Type: An array of guchar

A #guchar buffer that contains the pixel data for the lower layer.

The data is owned by the caller of the function.

rowstride1

Type: gint

Rowstride of buf1

buf2

Type: An array of guchar

A #guchar buffer that contains the pixel data for the upper layer.

The data is owned by the caller of the function.

rowstride2

Type: gint

Rowstride of buf2

opacity

Type: guchar

The opacity of the first layer.