Method
VipsImagedraw_mask
Declaration [src]
int
vips_draw_mask (
VipsImage* image,
double* ink,
int n,
VipsImage* mask,
int x,
int y,
...
)
Description [src]
Draw mask on the image. mask is a monochrome 8-bit image with 0/255
for transparent or ink coloured points. Intermediate values blend the ink
with the pixel. Use with vips_text() to draw text on an image. Use in a
vips_draw_line() subclass to draw an object along a line.
ink is an array of double containing values to draw.
See also: vips_text(), vips_draw_line().
This method is not directly available to language bindings.
Parameters
ink-
Type: An array of
doubleValue to draw.
The length of the array is specified in the nargument.The data is owned by the caller of the method. n-
Type:
intSize of ink array.
mask-
Type:
VipsImageMask of 0/255 values showing where to plot.
The data is owned by the caller of the method. x-
Type:
intDraw mask here.
y-
Type:
intDraw mask here.
...-
Type:
NULL-terminated list of optional named arguments.