Function

Gimpconvolve

Declaration [src]

gboolean
gimp_convolve (
  GimpDrawable* drawable,
  gdouble pressure,
  GimpConvolveType convolve_type,
  gsize num_strokes,
  const gdouble* strokes
)

Description [src]

Convolve (Blur, Sharpen) using the current brush.

This tool convolves the specified drawable with either a sharpening or blurring kernel. The pressure parameter controls the magnitude of the operation. Like the paintbrush, this tool linearly interpolates between the specified stroke coordinates.

Parameters

drawable

Type: GimpDrawable

The affected drawable.

The data is owned by the caller of the function.

pressure

Type: gdouble

The pressure.

convolve_type

Type: GimpConvolveType

Convolve type.

num_strokes

Type: gsize

Number of stroke control points (count each coordinate as 2 points).

strokes

Type: An array of double

Array of stroke coordinates: { s1.x, s1.y, s2.x, s2.y, …, sn.x, sn.y }.

The length of the array is specified in the num_strokes argument.

The data is owned by the caller of the function.

Return value

Type: gboolean

TRUE on success.