35 lines
1.1 KiB
Groff
35 lines
1.1 KiB
Groff
.TH IM_LABQ2DISP 3 "2 Decemder 1997"
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.SH NAME
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im_LabQ2disp, im_LabQ2disp_build_table, im_LabQ2disp_table \- convert LabQ to display rgb quickly and badly
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.SH SYNOPSIS
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#include <vips/vips.h>
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.br
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#include <vips/colour.h>
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int im_LabQ2disp( IMAGE *in, IMAGE *out, struct im_col_display *d );
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void *im_LabQ2disp_build_table( IMAGE *out, struct im_col_display *d );
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int im_LabQ2disp_table( IMAGE *in, IMAGE *out, void *table );
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.SH DESCRIPTION
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These functions convert LabQ images to displayable RGB as quickly as possible.
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im_LabQ2disp() converts in to out using the display profile d. It has to build
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a large lookup table, so takes a while to start.
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im_LabQ2disp_build_table() is just the table-build phase of im_LabQ2disp(). It
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returns a handle to the built table (or NULL for error). The memory for the
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table is allocated local to out (ie is freed when out is closed).
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im_LabQ2disp_table() converts in to out using the supplied table.
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.SH RETURN VALUE
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The functions return 0 on success and -1 on error.
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.SH SEE ALSO
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im_LabQ2Lab(3), im_Lab2XYZ(3), im_XYZ2disp(3)
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.SH COPYRIGHT
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National Gallery, 1990 - 1997
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.SH AUTHOR
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J. Cupitt \- 21/7/97
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