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Minor tweaks to Auto4Utils.pm

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Originally committed to SVN as r1750.
This commit is contained in:
Karl Blomster 2008-01-17 15:48:52 +00:00
parent f2b6d17eb3
commit f4c2ffac54
1 changed files with 8 additions and 7 deletions
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15
automation/include/Auto4Utils.pm
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@ -21,10 +21,10 @@ use utf8; # just to be safe
use POSIX (); # gah, we only need floor(), no need to import all of IEEE 1003.1
# TODO: discuss what should be exported by default
# Export everything by default
our @ISA = qw(Exporter);
our @EXPORT = qw(extract_color alpha_from_style color_from_style HSV_to_RGB HSL_to_RGB interpolate_color interpolate_alpha);
our @EXPORT_OK = qw(ass_color ass_alpha ass_style_color string_trim clamp interpolate);
our @EXPORT = qw(extract_color alpha_from_style color_from_style HSV_to_RGB HSL_to_RGB interpolate_color interpolate_alpha
ass_color ass_alpha ass_style_color string_trim clamp interpolate);
# Given 3 integers R,G,B, returns ASS formatted &HBBGGRR& string
@ -57,20 +57,20 @@ sub extract_color {
# This here thingie is a switch statement. Magic!
given ( $string ) {
# try v4+ style (ABGR)
when ( /\&H([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/i ) {
when ( /\&H([[:xdigit:]]{2})([[:xdigit:]]{2})([[:xdigit:]]{2})([[:xdigit:]]{2})/i ) {
return(hex($4), hex($3), hex($2), hex($1));
}
# color override? (BGR)
when ( /\&H([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})\&H/i ) {
when ( /\&H([[:xdigit:]]{2})([[:xdigit:]]{2})([[:xdigit:]]{2})\&H/i ) {
return(0, hex($3), hex($2), hex($1));
}
# alpha override? (A)
# (bug: bogus results with \c&H<hex>& with the first four zeros omitted)
when ( /\&H([a-f0-9]{2})\&/i ) {
when ( /\&H([[:xdigit:]]{2})\&/i ) {
return(hex($1), 0, 0, 0);
}
# try HTML format for laffs (RGB)
when ( /\#([a-f0-9]{2})([a-f0-9]{2})?([a-f0-9]{2})?/i ) {
when ( /\#([[:xdigit:]]{2})([[:xdigit:]]{2})?([[:xdigit:]]{2})?/i ) {
return(0, (hex($2) or 0), (hex($2) or 0), (hex($3) or 0));
}
default {
@ -134,6 +134,7 @@ sub HSV_to_RGB {
# Converts 3 integers H, S, L (hue, saturation, luminance) to R, G, B
# NOTE: THE OUTPUT AND S,V INPUT IS IN THE RANGE [0,1]!
# Routine is best performed to "The HSL Song" by Diablo-D3 and the #darkhold idlers.
# The lyrics are as follows:
# I see a little silluetto of a man