Method
VipsImagescRGB2BW
Declaration [src]
int
vips_scRGB2BW (
VipsImage* in,
VipsImage** out,
...
)
Description [src]
Optional arguments:
depth: depth of output image in bits
Convert an scRGB image to greyscale. Set depth to 16 to get 16-bit output.
If depth is 16, any extra channels after RGB are
multiplied by 256.
See also: vips_LabS2LabQ(), vips_sRGB2scRGB(), vips_rad2float().
| This method is not directly available to language bindings. |
Parameters
out |
VipsImage |
Output image. |
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| The argument will be set by the function. | |
| The instance takes ownership of the data, and is responsible for freeing it. | |
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