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: gintX offset in preview. 
- y
- 
            Type: gintY offset in preview. 
- width
- 
            Type: gintBuffer width. 
- height
- 
            Type: gintBuffer height. 
- type
- 
            Type: GimpImageTypeThe GimpImageTypeofbuf1andbuf2.
- buf1
- 
            Type: An array of gucharA #guchar buffer that contains the pixel data for the lower layer. The data is owned by the caller of the method. 
- rowstride1
- 
            Type: gintRowstride of buf1.
- buf2
- 
            Type: An array of gucharA #guchar buffer that contains the pixel data for the upper layer. The data is owned by the caller of the method. 
- rowstride2
- 
            Type: gintRowstride of buf2.
- opacity
- 
            Type: gucharThe opacity of the first layer.