mapnik/docs/api_docs/python/mapnik._mapnik.Image-class.html

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<a href="mapnik-module.html">Package&nbsp;mapnik</a> ::
<a href="mapnik._mapnik-module.html" onclick="show_private();">Module&nbsp;_mapnik</a> ::
Class&nbsp;Image
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class Image</h1><p class="nomargin-top"></p>
<pre class="base-tree">
object --+
|
??.instance --+
|
<strong class="uidshort">Image</strong>
</pre>
<hr />
<p>This class represents a 32 bit RGBA image.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
<a name="section-InstanceMethods"></a>
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<span class="table-header">Instance Methods</span></td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.Image-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">...</span>)</span><br />
__init__( (object)arg1, (int)arg2, (int)arg3) -&gt; None :</td>
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<span class="summary-type">&nbsp;</span>
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<tr>
<td><span class="summary-sig"><a href="mapnik._mapnik.Image-class.html#__reduce__" class="summary-sig-name">__reduce__</a>(<span class="summary-sig-arg">...</span>)</span><br />
helper for pickle</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.Image-class.html#blend" class="summary-sig-name">blend</a>(<span class="summary-sig-arg">...</span>)</span><br />
blend( (Image)arg1, (int)arg2, (int)arg3, (Image)arg4, (float)arg5) -&gt; None :</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.Image-class.html#height" class="summary-sig-name">height</a>(<span class="summary-sig-arg">...</span>)</span><br />
height( (Image)arg1) -&gt; int :</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.Image-class.html#save" class="summary-sig-name">save</a>(<span class="summary-sig-arg">...</span>)</span><br />
save( (Image)arg1, (str)arg2 [, (str)arg3]) -&gt; None :</td>
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</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.Image-class.html#tostring" class="summary-sig-name">tostring</a>(<span class="summary-sig-arg">...</span>)</span><br />
tostring( (Image)arg1) -&gt; object :</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.Image-class.html#view" class="summary-sig-name">view</a>(<span class="summary-sig-arg">...</span>)</span><br />
view( (Image)arg1, (int)arg2, (int)arg3, (int)arg4, (int)arg5) -&gt; ImageView :</td>
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</td>
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<span class="summary-type">&nbsp;</span>
</td><td class="summary">
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<td><span class="summary-sig"><a href="mapnik._mapnik.Image-class.html#width" class="summary-sig-name">width</a>(<span class="summary-sig-arg">...</span>)</span><br />
width( (Image)arg1) -&gt; int :</td>
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</td>
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<p class="indent-wrapped-lines"><b>Inherited from <code><i>unreachable</i>.instance</code></b>:
<code>__new__</code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__delattr__</code>,
<code>__getattribute__</code>,
<code>__hash__</code>,
<code>__reduce_ex__</code>,
<code>__repr__</code>,
<code>__setattr__</code>,
<code>__str__</code>
</p>
</td>
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<!-- ==================== STATIC METHODS ==================== -->
<a name="section-StaticMethods"></a>
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<span class="table-header">Static Methods</span></td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.Image-class.html#from_cairo" class="summary-sig-name">from_cairo</a>(<span class="summary-sig-arg">...</span>)</span><br />
from_cairo( (object)arg1) -&gt; Image :</td>
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</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.Image-class.html#open" class="summary-sig-name">open</a>(<span class="summary-sig-arg">...</span>)</span><br />
open( (str)arg1) -&gt; Image :</td>
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</td>
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</td>
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<!-- ==================== CLASS VARIABLES ==================== -->
<a name="section-ClassVariables"></a>
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<span class="table-header">Class Variables</span></td>
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<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a name="__instance_size__"></a><span class="summary-name">__instance_size__</span> = <code title="16">16</code>
</td>
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<!-- ==================== PROPERTIES ==================== -->
<a name="section-Properties"></a>
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cellspacing="0" width="100%" bgcolor="white">
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<span class="table-header">Properties</span></td>
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<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="mapnik._mapnik.Image-class.html#background" class="summary-name">background</a><br />
The background color of the image.
</td>
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<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__class__</code>
</p>
</td>
</tr>
</table>
<!-- ==================== METHOD DETAILS ==================== -->
<a name="section-MethodDetails"></a>
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<span class="table-header">Method Details</span></td>
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<a name="__init__"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">...</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
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<pre class="literalblock">
__init__( (object)arg1, (int)arg2, (int)arg3) -&gt; None :
C++ signature :
void __init__(_object*,int,int)
</pre>
<dl class="fields">
<dt>Overrides:
object.__init__
</dt>
</dl>
</td></tr></table>
</div>
<a name="__reduce__"></a>
<div>
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cellspacing="0" width="100%" bgcolor="white">
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__reduce__</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<p>helper for pickle</p>
<dl class="fields">
<dt>Overrides:
object.__reduce__
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</dl>
</td></tr></table>
</div>
<a name="blend"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<h3 class="epydoc"><span class="sig"><span class="sig-name">blend</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<pre class="literalblock">
blend( (Image)arg1, (int)arg2, (int)arg3, (Image)arg4, (float)arg5) -&gt; None :
C++ signature :
void blend(mapnik::Image32 {lvalue},unsigned int,unsigned int,mapnik::Image32,float)
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="from_cairo"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">from_cairo</span>(<span class="sig-arg">...</span>)</span>
<br /><em class="fname">Static Method</em>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<pre class="literalblock">
from_cairo( (object)arg1) -&gt; Image :
C++ signature :
boost::shared_ptr&lt;mapnik::Image32&gt; from_cairo(PycairoSurface*)
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="height"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">height</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<pre class="literalblock">
height( (Image)arg1) -&gt; int :
C++ signature :
unsigned int height(mapnik::Image32 {lvalue})
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="open"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<h3 class="epydoc"><span class="sig"><span class="sig-name">open</span>(<span class="sig-arg">...</span>)</span>
<br /><em class="fname">Static Method</em>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
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<pre class="literalblock">
open( (str)arg1) -&gt; Image :
C++ signature :
boost::shared_ptr&lt;mapnik::Image32&gt; open(std::string)
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="save"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">save</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<pre class="literalblock">
save( (Image)arg1, (str)arg2 [, (str)arg3]) -&gt; None :
C++ signature :
void save(mapnik::Image32,std::string [,std::string])
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="tostring"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<h3 class="epydoc"><span class="sig"><span class="sig-name">tostring</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<pre class="literalblock">
tostring( (Image)arg1) -&gt; object :
C++ signature :
_object* tostring(mapnik::Image32)
tostring( (Image)arg1, (str)arg2) -&gt; object :
C++ signature :
_object* tostring(mapnik::Image32,std::string)
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="view"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<h3 class="epydoc"><span class="sig"><span class="sig-name">view</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<pre class="literalblock">
view( (Image)arg1, (int)arg2, (int)arg3, (int)arg4, (int)arg5) -&gt; ImageView :
C++ signature :
mapnik::image_view&lt;mapnik::ImageData&lt;unsigned int&gt; &gt; view(mapnik::Image32 {lvalue},unsigned int,unsigned int,unsigned int,unsigned int)
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="width"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">width</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<pre class="literalblock">
width( (Image)arg1) -&gt; int :
C++ signature :
unsigned int width(mapnik::Image32 {lvalue})
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<br />
<!-- ==================== PROPERTY DETAILS ==================== -->
<a name="section-PropertyDetails"></a>
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<span class="table-header">Property Details</span></td>
</tr>
</table>
<a name="background"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<h3 class="epydoc">background</h3>
<p>The background color of the image.</p>
<dl class="fields">
<dt>Get Method:</dt>
<dd class="value"><span class="summary-sig"><i>unreachable</i>(<span class="summary-sig-arg">...</span>)</span>
</dd>
<dt>Set Method:</dt>
<dd class="value"><span class="summary-sig"><i>unreachable</i>(<span class="summary-sig-arg">...</span>)</span>
</dd>
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