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smarty/docs/ru/designers/language-custom-functions/language-function-html-image.xml
2005-12-30 15:43:38 +00:00

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<?xml version="1.0" encoding="windows-1251"?>
<!-- $Revision$ -->
<!-- EN-Revision: 1.7 Maintainer: freespace Status: ready -->
<sect1 id="language.function.html.image">
<title>{html_image}</title>
<para>
{html_image} ÿâëÿåòñÿ
<link linkend="language.custom.functions">ïîëüçîâàòåëüñêîé ôóíêöèåé</link>,
êîòîðàÿ ñîçäàåò HTML-òýãè äëÿ èçîáðàæåíèé. Âûñîòà è øèðèíà àâòîìàòè÷åñêè
âû÷èñëàþòñÿ èç ôàéëà èçîáðàæåíèÿ, åñëè îíè íå óêàçàíû ÿâíî.
</para>
<informaltable frame="all">
<tgroup cols="5">
<colspec colname="param" align="center" />
<colspec colname="type" align="center" />
<colspec colname="required" align="center" />
<colspec colname="default" align="center" />
<colspec colname="desc" />
<thead>
<row>
<entry>Èìÿ àòðèáóòà</entry>
<entry>Òèï</entry>
<entry>Îáÿçàòåëåí</entry>
<entry>Ïî óìîë÷àíèþ</entry>
<entry>Îïèñàíèå</entry>
</row>
</thead>
<tbody>
<row>
<entry>file</entry>
<entry>string</entry>
<entry>Äà</entry>
<entry><emphasis>n/a</emphasis></entry>
<entry>íàçâàíèå/ïóòü ê èçîáðàæåíèþ</entry>
</row>
<row>
<entry>height</entry>
<entry>string</entry>
<entry>Íåò</entry>
<entry><emphasis>ðåàëüíàÿ âûñîòà èçîáðàæåíèÿ</emphasis></entry>
<entry>âûñîòà èçîáðàæåíèÿ</entry>
</row>
<row>
<entry>width</entry>
<entry>string</entry>
<entry>Íåò</entry>
<entry><emphasis>ðåàëüíàÿ øèðèíà èçîáðàæåíèÿ</emphasis></entry>
<entry>øèðèíà èçîáðàæåíèÿ</entry>
</row>
<row>
<entry>basedir</entry>
<entry>string</entry>
<entry>Íåò</entry>
<entry><emphasis>êîðåíü âåá ñåðâåðà</emphasis></entry>
<entry>ïàïêà, îò êîòîðîé óêàçàíû îòíîñèòåëüíûå ïóòè</entry>
</row>
<row>
<entry>alt</entry>
<entry>string</entry>
<entry>Íåò</entry>
<entry><emphasis>""</emphasis></entry>
<entry>àëüòåðíàòèâíîå îïèñàíèå èçîáðàæåíèÿ</entry>
</row>
<row>
<entry>href</entry>
<entry>string</entry>
<entry>Íåò</entry>
<entry><emphasis>n/a</emphasis></entry>
<entry>çíà÷åíèå href, êóäà ññûëàåòñÿ êàðòèíêà</entry>
</row>
<row>
<entry>path_prefix</entry>
<entry>string</entry>
<entry>Íåò</entry>
<entry><emphasis>n/a</emphasis></entry>
<entry>ïðåôèêñ ïóòè ðåçóëüòàòà</entry>
</row>
</tbody>
</tgroup>
</informaltable>
<para>
basedir - áàçîâàÿ ïàïêà äëÿ îòíîñèòåëüíûõ ïóòåé. Åñëè íå óêàçàíà,
òî èñïîëüçóåòñÿ êîðåíü âåá ñåðâåð
(<link linkend="language.variables.smarty">ïåðåìåííàÿ îêðóæåíèÿ</link> DOCUMENT_ROOT).
Åñëè <link linkend="variable.security">$security</link> âêëþ÷åíî, òî ïóòü ê
ôàéëó èçîáðàæåíèÿ äîëæåí áûòü â ïðåäåëàõ áåçîïàñíîé äèðåêòîðèè.
</para>
<para>
Àòðèáóò link óêàçûâàåò, êóäà ññûëàåòñÿ èçîáðàæåíèå. Àòðèáóò
link óñòàíàâëèâàåò çíà÷åíèå àòðèáóòà href òýãà À. Åñëè óêàçàí
àòðèáóò link, òî èçîáðàæåíèå îêðóæàåòñÿ âûðàæåíèÿìè &lt;a
href="LINKVALUE"&gt; è &lt;a&gt;.
</para>
<para>
<parameter>path_prefix</parameter> - ýòî íåîáÿçàòåëüíûé ïðåôèêñ, êîòîðûé
âû ìîæåòå äîáàâèòü ê ïóòè ðåçóëüòàòà
Ýòî óäîáíî â ñëó÷àå, åñëè âû õîòèòå ïåðåäàòü äðóãîå ñåðâåðíîå èìÿ äëÿ
èçîáðàæåíèÿ.
</para>
<para>
Âñå ïàðàìåòðû, êîòîðûå íå óêàçàíû â ñïèñêå, âûâîäÿòñÿ â âèäå
ïàð name/value â êàæäîì ñîçäàííîì òýãå &lt;input&gt;.
</para>
<note>
<title>Òåõíè÷åñêîå Çàìå÷àíèå</title>
<para>
{html_image} òðåáóåò îáðàùåíèå ê äèñêó äëÿ ÷òåíèÿ èçîáðàæåíèÿ
è âû÷èñëåíèÿ åãî ðàçìåðîâ. Åñëè íå èñïîëüçóåòñÿ
<link linkend="caching">êýøèðîâàíèå</link> øàáëîíîâ,
òî òýã {html_image} ëó÷øå íå èñïîëüçîâàòü, à âñòàâëÿòü ñòàòè÷íûå òýãè
èçîáðàæåíèé äëÿ äîñòèæåíèÿ îïòèìàëüíîãî áûñòðîäåéñòâèÿ.
</para>
</note>
<example>
<title>{html_image}</title>
<programlisting>
<![CDATA[
{html_image file="pumpkin.jpg"}
{html_image file="/path/from/docroot/pumpkin.jpg"}
{html_image file="../path/relative/to/currdir/pumpkin.jpg"}
OUTPUT: (possible)
<img src="pumpkin.jpg" width="44" height="68">
<img src="/path/under/docroot/pumpkin.jpg" width="44" height="68">
<img src="../path/relative/to/currdir/pumpkin.jpg" width="44" height="68">
]]>
</programlisting>
<para>
âîçìîæíûé ðåçóëüòàò:
</para>
<screen>
<![CDATA[
<img src="pumpkin.jpg" alt="" width="44" height="68" />
<img src="/path/from/docroot/pumpkin.jpg" alt="" width="44" height="68" />
<img src="../path/relative/to/currdir/pumpkin.jpg" alt="" width="44" height="68" />
]]>
</screen>
</example>
</sect1>
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