40 lines
906 B
Groff
40 lines
906 B
Groff
.TH IM_RAW2VIPS 3 "4 August 2005"
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.SH NAME
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im_raw2vips, im_vips2raw \- wrap a raw binary file inside an IMAGE descriptor
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.SH SYNOPSIS
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.B #include <vips/vips.h>
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int
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.br
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im_raw2vips( const char *filename, IMAGE *out,
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.br
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int width, int height, int bpp, int offset )
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int
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.br
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im_vips2raw( IMAGE *in, int fd )
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.SH DESCRIPTION
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.B im_raw2vips(3)
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mmaps the file named, setting image
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.B out
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so that access to that image will read from the file.
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The parameters specify the image width, height, bytes per pixel and offset
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in bytes from the start of the file.
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Use functions like
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.B im_copy_morph(3)
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to set the pixel type, byte ordering and so on.
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.B im_vips2raw(3)
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writes the pixels in the IMAGE to the file descriptor. It's handy for writing
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writers for other formats.
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.SH RETURN VALUE
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The functions return NULL on error.
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.SH SEE ALSO
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im_copy_morph(3), im_copy_swap(3).
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.SH COPYRIGHT
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Imperial College, 2005
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