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  <title>ImageMagick – MagickCore, C API: Get/Set Image Properties</title>
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  <li><a href="property.html#CloneImageProperties">CloneImageProperties</a></li>
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<h2><a href="../../api/MagickCore/property_8c.html" id="CloneImageProperties">CloneImageProperties</a></h2>

<p>CloneImageProperties() clones all the image properties to another image.</p>

<p>The format of the CloneImageProperties method is:</p>

<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType CloneImageProperties(Image *image,
  const Image *clone_image)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image</dt>
<dd>the image. </dd>

<dd> </dd>
<dt>clone_image</dt>
<dd>the clone image. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickCore/property_8c.html" id="DefineImageProperty">DefineImageProperty</a></h2>

<p>DefineImageProperty() associates an assignment string of the form "key=value" with an artifact or options. It is equivalent to SetImageProperty().</p>

<p>The format of the DefineImageProperty method is:</p>

<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType DefineImageProperty(Image *image,const char *property,
  ExceptionInfo *exception)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image</dt>
<dd>the image. </dd>

<dd> </dd>
<dt>property</dt>
<dd>the image property. </dd>

<dd> </dd>
<dt>exception</dt>
<dd>return any errors or warnings in this structure. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickCore/property_8c.html" id="DeleteImageProperty">DeleteImageProperty</a></h2>

<p>DeleteImageProperty() deletes an image property.</p>

<p>The format of the DeleteImageProperty method is:</p>

<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType DeleteImageProperty(Image *image,const char *property)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image</dt>
<dd>the image. </dd>

<dd> </dd>
<dt>property</dt>
<dd>the image property. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickCore/property_8c.html" id="DestroyImageProperties">DestroyImageProperties</a></h2>

<p>DestroyImageProperties() destroys all properties and associated memory attached to the given image.</p>

<p>The format of the DestroyDefines method is:</p>

<pre class="bg-light text-dark mx-4"><samp>void DestroyImageProperties(Image *image)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image</dt>
<dd>the image. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickCore/property_8c.html" id="FormatImageProperty">FormatImageProperty</a></h2>

<p>FormatImageProperty() permits formatted property/value pairs to be saved as an image property.</p>

<p>The format of the FormatImageProperty method is:</p>

<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType FormatImageProperty(Image *image,const char *property,
  const char *format,...)
</samp></pre>

<p>A description of each parameter follows.</p>

<dt> image</dt>
<p>The image.</p>

<dt> property</dt>
<p>The attribute property.</p>

<dt> format</dt>
<p>A string describing the format to use to write the remaining arguments.</p>

<h2><a href="../../api/MagickCore/property_8c.html" id="GetImageProperty">GetImageProperty</a></h2>

<p>GetImageProperty() gets a value associated with an image property.</p>

<p>This includes,  profile prefixes, such as "exif:", "iptc:" and "8bim:" It does not handle non-profile prefixes, such as "fx:", "option:", or "artifact:".</p>

<p>The returned string is stored as a prosperity of the same name for faster lookup later. It should NOT be freed by the caller.</p>

<p>The format of the GetImageProperty method is:</p>

<pre class="bg-light text-dark mx-4"><samp>const char *GetImageProperty(const Image *image,const char *key,
  ExceptionInfo *exception)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image</dt>
<dd>the image. </dd>

<dd> </dd>
<dt>key</dt>
<dd>the key. </dd>

<dd> </dd>
<dt>exception</dt>
<dd>return any errors or warnings in this structure. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickCore/property_8c.html" id="GetNextImageProperty">GetNextImageProperty</a></h2>

<p>GetNextImageProperty() gets the next free-form string property name.</p>

<p>The format of the GetNextImageProperty method is:</p>

<pre class="bg-light text-dark mx-4"><samp>char *GetNextImageProperty(const Image *image)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image</dt>
<dd>the image. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickCore/property_8c.html" id="InterpretImageProperties">InterpretImageProperties</a></h2>

<p>InterpretImageProperties() replaces any embedded formatting characters with the appropriate image property and returns the interpreted text.</p>

<p>This searches for and replaces \n \r \          replaced by newline, return, and percent resp. &amp;lt; &amp;gt; &amp;amp;   replaced by '&lt;', '&gt;', '&amp;' resp. replaced by percent</p>

<p>x [x]       where 'x' is a single letter prosperity, case sensitive). [type:name]  where 'type' a is special and known prefix. [name]       where 'name' is a specifically known attribute, calculated value, or a per-image property string name, or a per-image 'artifact' (as generated from a global option). It may contain ':' as long as the prefix is not special.</p>

<p>Single letter  substitutions will only happen if the character before the percent is NOT a number. But braced substitutions will always be performed. This prevents the typical usage of percent in a interpreted geometry argument from being substituted when the percent is a geometry flag.</p>

<p>If 'glob-expressions' ('*' or '?' characters) is used for 'name' it may be used as a search pattern to print multiple lines of "name=value\n" pairs of the associated set of properties.</p>

<p>The returned string must be freed using DestroyString() by the caller.</p>

<p>The format of the InterpretImageProperties method is:</p>

<pre class="bg-light text-dark mx-4"><samp>char *InterpretImageProperties(ImageInfo *image_info,
  Image *image,const char *embed_text,ExceptionInfo *exception)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image_info</dt>
<dd>the image info. (required) </dd>

<dd> </dd>
<dt>image</dt>
<dd>the image. (optional) </dd>

<dd> </dd>
<dt>embed_text</dt>
<dd>the address of a character string containing the embedded formatting characters. </dd>

<dd> </dd>
<dt>exception</dt>
<dd>return any errors or warnings in this structure. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickCore/property_8c.html" id="RemoveImageProperty">RemoveImageProperty</a></h2>

<p>RemoveImageProperty() removes a property from the image and returns its value.</p>

<p>In this case the ConstantString() value returned should be freed by the caller when finished.</p>

<p>The format of the RemoveImageProperty method is:</p>

<pre class="bg-light text-dark mx-4"><samp>char *RemoveImageProperty(Image *image,const char *property)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image</dt>
<dd>the image. </dd>

<dd> </dd>
<dt>property</dt>
<dd>the image property. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickCore/property_8c.html" id="ResetImagePropertyIterator">ResetImagePropertyIterator</a></h2>

<p>ResetImagePropertyIterator() resets the image properties iterator.  Use it in conjunction with GetNextImageProperty() to iterate over all the values associated with an image property.</p>

<p>The format of the ResetImagePropertyIterator method is:</p>

<pre class="bg-light text-dark mx-4"><samp>ResetImagePropertyIterator(Image *image)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image</dt>
<dd>the image. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickCore/property_8c.html" id="SetImageProperty">SetImageProperty</a></h2>

<p>SetImageProperty() saves the given string value either to specific known attribute or to a freeform property string.</p>

<p>Attempting to set a property that is normally calculated will produce an exception.</p>

<p>The format of the SetImageProperty method is:</p>

<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType SetImageProperty(Image *image,const char *property,
  const char *value,ExceptionInfo *exception)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image</dt>
<dd>the image. </dd>

<dd> </dd>
<dt>property</dt>
<dd>the image property. </dd>

<dd> </dd>
<dt>values</dt>
<dd>the image property values. </dd>

<dd> </dd>
<dt>exception</dt>
<dd>return any errors or warnings in this structure. </dd>

<dd>  </dd>
</dl>
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