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1<HTML
2><HEAD
3><TITLE
4>imagecolorclosest</TITLE
5><META
6NAME="GENERATOR"
7CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
8REL="HOME"
9TITLE="Manuál PHP"
10HREF="index.html"><LINK
11REL="UP"
12TITLE="Image functions"
13HREF="ref.image.html"><LINK
14REL="PREVIOUS"
15TITLE="imagecolorat"
16HREF="function.imagecolorat.html"><LINK
17REL="NEXT"
18TITLE="imagecolorclosestalpha"
19HREF="function.imagecolorclosestalpha.html"><META
20HTTP-EQUIV="Content-type"
21CONTENT="text/html; charset=ISO-8859-2"></HEAD
22><BODY
23CLASS="refentry"
24BGCOLOR="#FFFFFF"
25TEXT="#000000"
26LINK="#0000FF"
27VLINK="#840084"
28ALINK="#0000FF"
29><DIV
30CLASS="NAVHEADER"
31><TABLE
32SUMMARY="Header navigation table"
33WIDTH="100%"
34BORDER="0"
35CELLPADDING="0"
36CELLSPACING="0"
37><TR
38><TH
39COLSPAN="3"
40ALIGN="center"
41>Manuál PHP</TH
42></TR
43><TR
44><TD
45WIDTH="10%"
46ALIGN="left"
47VALIGN="bottom"
48><A
49HREF="function.imagecolorat.html"
50ACCESSKEY="P"
51>Pøedcházející</A
52></TD
53><TD
54WIDTH="80%"
55ALIGN="center"
56VALIGN="bottom"
57></TD
58><TD
59WIDTH="10%"
60ALIGN="right"
61VALIGN="bottom"
62><A
63HREF="function.imagecolorclosestalpha.html"
64ACCESSKEY="N"
65>Dal¹í</A
66></TD
67></TR
68></TABLE
69><HR
70ALIGN="LEFT"
71WIDTH="100%"></DIV
72><H1
73><A
74NAME="function.imagecolorclosest"
75></A
76>imagecolorclosest</H1
77><DIV
78CLASS="refnamediv"
79><A
80NAME="AEN30736"
81></A
82><P
83> (PHP 3, PHP 4 )</P
84>imagecolorclosest&nbsp;--&nbsp;Get the index of the closest color to the specified color</DIV
85><DIV
86CLASS="refsect1"
87><A
88NAME="AEN30739"
89></A
90><H2
91>Description</H2
92>int <B
93CLASS="methodname"
94>imagecolorclosest</B
95> ( resource image, int red, int green, int blue)<BR
96></BR
97><P
98>&#13; Returns the index of the color in the palette of the image which
99 is "closest" to the specified <SPAN
100CLASS="acronym"
101>RGB</SPAN
102> value.
103 </P
104><P
105>&#13; The "distance" between the desired color and each color in the
106 palette is calculated as if the <SPAN
107CLASS="acronym"
108>RGB</SPAN
109> values
110 represented points in three-dimensional space.
111 </P
112><P
113>&#13; See also <A
114HREF="function.imagecolorexact.html"
115><B
116CLASS="function"
117>imagecolorexact()</B
118></A
119>.
120 </P
121></DIV
122><DIV
123CLASS="NAVFOOTER"
124><HR
125ALIGN="LEFT"
126WIDTH="100%"><TABLE
127SUMMARY="Footer navigation table"
128WIDTH="100%"
129BORDER="0"
130CELLPADDING="0"
131CELLSPACING="0"
132><TR
133><TD
134WIDTH="33%"
135ALIGN="left"
136VALIGN="top"
137><A
138HREF="function.imagecolorat.html"
139ACCESSKEY="P"
140>Pøedcházející</A
141></TD
142><TD
143WIDTH="34%"
144ALIGN="center"
145VALIGN="top"
146><A
147HREF="index.html"
148ACCESSKEY="H"
149>Domù</A
150></TD
151><TD
152WIDTH="33%"
153ALIGN="right"
154VALIGN="top"
155><A
156HREF="function.imagecolorclosestalpha.html"
157ACCESSKEY="N"
158>Dal¹í</A
159></TD
160></TR
161><TR
162><TD
163WIDTH="33%"
164ALIGN="left"
165VALIGN="top"
166>imagecolorat</TD
167><TD
168WIDTH="34%"
169ALIGN="center"
170VALIGN="top"
171><A
172HREF="ref.image.html"
173ACCESSKEY="U"
174>Nahoru</A
175></TD
176><TD
177WIDTH="33%"
178ALIGN="right"
179VALIGN="top"
180>imagecolorclosestalpha</TD
181></TR
182></TABLE
183></DIV
184></BODY
185></HTML
186>
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