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void gimp_bilinear_pixels_8 (guchar *dest,gdouble x,gdouble y,guint bpp,gboolean has_alpha,guchar **values);
Computes bilinear interpolation of four pixels.
When has_alpha
 is FALSE, it's identical to gimp_bilinear_8() on
each channel separately.  When has_alpha
 is TRUE, it handles
alpha channel correctly.
The pixels in values
 correspond to corner x, y coordinates in the
following order: [0,0], [1,0], [0,1], [1,1].
| dest | Pixel, where interpolation result is to be stored. | |
| x | x-coordinate (0.0 to 1.0). | |
| y | y-coordinate (0.0 to 1.0). | |
| bpp | Bytes per pixel.   | |
| has_alpha | 
 | |
| values | Array of four pointers to pixels. |