uTools-Manuals/docs/php/ps_begin_pattern.html
2019-04-28 19:00:34 +08:00

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<title>Start a new pattern</title>
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<div id="layout-content"><div id="function.ps-begin-pattern" class="refentry">
<div class="refnamediv">
<h1 class="refname">ps_begin_pattern</h1>
<p class="verinfo">(PECL ps &gt;= 1.2.0)</p><p class="refpurpose"><span class="refname">ps_begin_pattern</span> &mdash; <span class="dc-title">Start a new pattern</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ps-begin-pattern-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>ps_begin_pattern</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$psdoc</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$width</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$height</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$xstep</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$ystep</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$painttype</code></span>
) : <span class="type">int</span></div>
<p class="para rdfs-comment">
Starts a new pattern. A pattern is like a page containing e.g. a drawing
which can be used for filling areas. It is used like a color by calling
<span class="function"><a href="ps_setcolor.html" class="function">ps_setcolor()</a></span> and setting the color space to
<em>pattern</em>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.ps-begin-pattern-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">psdoc</code></dt>
<dd>
<p class="para">
Resource identifier of the postscript file
as returned by <span class="function"><a href="ps_new.html" class="function">ps_new()</a></span>.
</p>
</dd>
<dt>
<code class="parameter">width</code></dt>
<dd>
<p class="para">
The width of the pattern in pixel.
</p>
</dd>
<dt>
<code class="parameter">height</code></dt>
<dd>
<p class="para">
The height of the pattern in pixel.
</p>
</dd>
<dt>
<code class="parameter">x-step</code></dt>
<dd>
<p class="para">
The distance in pixel of placements of the pattern in
horizontal direction.
</p>
</dd>
<dt>
<code class="parameter">y-step</code></dt>
<dd>
<p class="para">
The distance in pixel of placements of the pattern in
vertical direction.
</p>
</dd>
<dt>
<code class="parameter">painttype</code></dt>
<dd>
<p class="para">
Must be 1 or 2.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ps-begin-pattern-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
The identifier of the pattern 或者在失败时返回 <strong><code>FALSE</code></strong>.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.ps-begin-pattern-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-4225">
<p><strong>Example #1 Creating and using a pattern</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$ps&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ps_new</span><span style="color: #007700">();<br /><br />if&nbsp;(!</span><span style="color: #0000BB">ps_open_file</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"pattern.ps"</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;print&nbsp;</span><span style="color: #DD0000">"Cannot&nbsp;open&nbsp;PostScript&nbsp;file\n"</span><span style="color: #007700">;<br />&nbsp;&nbsp;exit;<br />}<br /><br /></span><span style="color: #0000BB">ps_set_parameter</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"warning"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"true"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_set_info</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"Creator"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"pattern.php"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_set_info</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"Author"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"Uwe&nbsp;Steinmann"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_set_info</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"Title"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"Pattern&nbsp;example"</span><span style="color: #007700">);<br /><br /><br /></span><span style="color: #0000BB">$pspattern&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ps_begin_pattern</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">10.0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">10.0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">10.0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">10.0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_setlinewidth</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0.2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_setcolor</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"stroke"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"rgb"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0.0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0.0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1.0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0.0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_moveto</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_lineto</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">7</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">7</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_stroke</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_moveto</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">7</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_lineto</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">7</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_stroke</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_end_pattern</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">ps_begin_page</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">596</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">842</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_setcolor</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"both"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"pattern"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$pspattern</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0.0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0.0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0.0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_rect</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">50</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">400</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">200</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">200</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_fill</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_end_page</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">ps_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ps_delete</span><span style="color: #007700">(</span><span style="color: #0000BB">$ps</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.ps-begin-pattern-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="ps_end_pattern.html" class="function" rel="rdfs-seeAlso">ps_end_pattern()</a> - End a pattern</span></li>
<li class="member"><span class="function"><a href="ps_setcolor.html" class="function" rel="rdfs-seeAlso">ps_setcolor()</a> - Sets current color</span></li>
<li class="member"><span class="function"><a href="ps_shading_pattern.html" class="function" rel="rdfs-seeAlso">ps_shading_pattern()</a> - Creates a pattern based on a shading</span></li>
</ul>
</p>
</div>
</div></div></div></body></html>