Blame doc/FcWeightFromOpenTypeDouble.3
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.\" auto-generated by docbook2man-spec from docbook-utils package
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.TH "FcWeightFromOpenTypeDouble" "3" "30 8月 2018" "Fontconfig 2.13.1" ""
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.SH NAME
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FcWeightFromOpenTypeDouble \- Convert from OpenType weight values to fontconfig ones
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.SH SYNOPSIS
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.nf
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\fB#include <fontconfig/fontconfig.h>
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.sp
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double FcWeightFromOpenTypeDouble (double\fIot_weight\fB);
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.fi\fR
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.SH "DESCRIPTION"
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.PP
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\fBFcWeightFromOpenTypeDouble\fR returns an double value
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to use with FC_WEIGHT, from an double in the 1..1000 range, resembling
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the numbers from OpenType specification's OS/2 usWeight numbers, which
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are also similar to CSS font-weight numbers. If input is negative,
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zero, or greater than 1000, returns -1. This function linearly doubleerpolates
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between various FC_WEIGHT_* constants. As such, the returned value does not
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necessarily match any of the predefined constants.
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.SH "SINCE"
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.PP
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version 2.12.92
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