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<div class="document" id="profile">
<h1 class="title">profile</h1>
<h2 class="subtitle" id="manipulate-embedded-profiles">Manipulate embedded profiles</h2>
<div class="contents topic" id="contents">
<p class="topic-title first">Contents</p>
<ul class="simple">
<li><a class="reference internal" href="#allocateimageprofileiterator" id="id15">AllocateImageProfileIterator</a></li>
<li><a class="reference internal" href="#appendimageprofile" id="id16">AppendImageProfile</a></li>
<li><a class="reference internal" href="#deallocateimageprofileiterator" id="id17">DeallocateImageProfileIterator</a></li>
<li><a class="reference internal" href="#deleteimageprofile" id="id18">DeleteImageProfile</a></li>
<li><a class="reference internal" href="#getimageprofile" id="id19">GetImageProfile</a></li>
<li><a class="reference internal" href="#nextimageprofile" id="id20">NextImageProfile</a></li>
<li><a class="reference internal" href="#profileimage" id="id21">ProfileImage</a></li>
<li><a class="reference internal" href="#setimageprofile" id="id22">SetImageProfile</a></li>
</ul>
</div>
<div class="section" id="allocateimageprofileiterator">
<h1><a class="toc-backref" href="#id15">AllocateImageProfileIterator</a></h1>
<div class="section" id="synopsis">
<h2>Synopsis</h2>
<pre class="literal-block">
ImageProfileIterator AllocateImageProfileIterator( const <a class="reference external" href="../api/types.html#image">Image</a> *image );
</pre>
</div>
<div class="section" id="description">
<h2>Description</h2>
<p>AllocateImageProfileIterator allocates an iterator to traverse the
image profile list. It is an error (i.e. will surely crash) to invoke
DeleteImageProfile() on the profile that the iterator is currently
referencing. However, it is safe to delete a profile that the iterator
is not currently referencing. Inserting additional profiles does not
invalidate the current iterator.</p>
<p>The format of the AllocateImageProfileIterator method is:</p>
<pre class="literal-block">
ImageProfileIterator AllocateImageProfileIterator( const <a class="reference external" href="../api/types.html#image">Image</a> *image );
</pre>
<p>A description of each parameter follows:</p>
<dl class="docutils">
<dt>image:</dt>
<dd>The image.</dd>
</dl>
</div>
</div>
<div class="section" id="appendimageprofile">
<h1><a class="toc-backref" href="#id16">AppendImageProfile</a></h1>
<div class="section" id="id1">
<h2>Synopsis</h2>
<pre class="literal-block">
MaickPassFail AppendImageProfile( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *name,
const unsigned char *profile_chunk,
const size_t chunk_length );
</pre>
</div>
<div class="section" id="id2">
<h2>Description</h2>
<p>AppendImageProfile adds a named profile to the image. If a profile with the
same name already exists, then the new profile data is appended to the
existing profile. If a null profile address is supplied, then an existing
profile is removed. The profile is copied into the image. Note that this
function does not execute CMS color profiles. Any existing CMS color
profile is simply added/updated. Use the ProfileImage() function in order
to execute a CMS color profile.</p>
<p>The format of the AppendImageProfile method is:</p>
<pre class="literal-block">
MaickPassFail AppendImageProfile( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *name,
const unsigned char *profile_chunk,
const size_t chunk_length );
</pre>
<dl class="docutils">
<dt>image:</dt>
<dd>The image.</dd>
<dt>name:</dt>
<dd>Profile name. Valid names are "8BIM", "ICM", "IPTC", XMP, or any
unique text string.</dd>
<dt>profile_chunk:</dt>
<dd>Address of profile chunk to add or append. Pass zero
to remove an existing profile.</dd>
<dt>length:</dt>
<dd>The length of the profile chunk to add or append.</dd>
</dl>
</div>
</div>
<div class="section" id="deallocateimageprofileiterator">
<h1><a class="toc-backref" href="#id17">DeallocateImageProfileIterator</a></h1>
<div class="section" id="id3">
<h2>Synopsis</h2>
<pre class="literal-block">
void DeallocateImageProfileIterator( ImageProfileIterator profile_iterator );
</pre>
</div>
<div class="section" id="id4">
<h2>Description</h2>
<p>DeallocateImageProfileIterator deallocates an image profile iterator.</p>
<p>The format of the DeallocateImageProfileIterator method is:</p>
<pre class="literal-block">
void DeallocateImageProfileIterator( ImageProfileIterator profile_iterator );
</pre>
<p>A description of each parameter follows:</p>
<dl class="docutils">
<dt>profile_iterator:</dt>
<dd>Profile iterator to deallocate.</dd>
</dl>
</div>
</div>
<div class="section" id="deleteimageprofile">
<h1><a class="toc-backref" href="#id18">DeleteImageProfile</a></h1>
<div class="section" id="id5">
<h2>Synopsis</h2>
<pre class="literal-block">
unsigned int DeleteImageProfile( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *name );
</pre>
</div>
<div class="section" id="id6">
<h2>Description</h2>
<p>DeleteImageProfile removes a named profile from the image.</p>
<p>The format of the DeleteImageProfile method is:</p>
<pre class="literal-block">
unsigned int DeleteImageProfile( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *name );
</pre>
<p>A description of each parameter follows:</p>
<dl class="docutils">
<dt>image:</dt>
<dd>The image.</dd>
<dt>name:</dt>
<dd>Profile name. Valid names are "8BIM", "ICM", & "IPTC" or a
generic profile name.</dd>
</dl>
</div>
</div>
<div class="section" id="getimageprofile">
<h1><a class="toc-backref" href="#id19">GetImageProfile</a></h1>
<div class="section" id="id7">
<h2>Synopsis</h2>
<pre class="literal-block">
const unsigned char *GetImageProfile( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *name,
size_t *length );
</pre>
</div>
<div class="section" id="id8">
<h2>Description</h2>
<p>GetImageProfile returns a pointer to the named image profile if it is
present. A null pointer is returned if the named profile is not present.</p>
<p>Older versions of this function stored profiles named "8BIM" and "IPTC"
in the same storage location. This is no longer the case. However,
GetImageProfile() will try the alternate name if the specifically
requested profile name is not available.</p>
<p>The format of the GetImageProfile method is:</p>
<pre class="literal-block">
const unsigned char *GetImageProfile( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *name,
size_t *length );
</pre>
<dl class="docutils">
<dt>image:</dt>
<dd>The image.</dd>
<dt>name:</dt>
<dd>Profile name. Valid names are "8BIM", "ICM", "IPTC", "XMP" or any
unique text string.</dd>
<dt>length:</dt>
<dd>Updated with profile length if profile is present. Set to NULL
if length is not needed.</dd>
</dl>
</div>
</div>
<div class="section" id="nextimageprofile">
<h1><a class="toc-backref" href="#id20">NextImageProfile</a></h1>
<div class="section" id="id9">
<h2>Synopsis</h2>
<pre class="literal-block">
MagickPassFail NextImageProfile( ImageProfileIterator profile_iterator, const char ** name,
const unsigned char ** profile, size_t *length );
</pre>
</div>
<div class="section" id="id10">
<h2>Description</h2>
<p>NextImageProfile iterates forward to the next image profile. The profile
name is returned along with the profile data, and length. If there are
no more entries in the list, then MagickFail is returned.</p>
<p>The format of the AllocateImageProfileIterator method is:</p>
<pre class="literal-block">
MagickPassFail NextImageProfile( ImageProfileIterator profile_iterator, const char ** name,
const unsigned char ** profile, size_t *length );
</pre>
<dl class="docutils">
<dt>profile_iterator:</dt>
<dd>Profile iterator.</dd>
<dt>name:</dt>
<dd>Address of pointer to update with address of name.</dd>
<dt>profile:</dt>
<dd>Address of pointer to update with location of profile data.</dd>
<dt>length:</dt>
<dd>Address of parameter to update with profile length.</dd>
</dl>
</div>
</div>
<div class="section" id="profileimage">
<h1><a class="toc-backref" href="#id21">ProfileImage</a></h1>
<div class="section" id="id11">
<h2>Synopsis</h2>
<pre class="literal-block">
unsigned int ProfileImage( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *name, unsigned char *profile,
const size_t length, unsigned int clone );
</pre>
</div>
<div class="section" id="id12">
<h2>Description</h2>
<p>ProfileImage() adds, applies, or removes a ICM, IPTC, or generic profile
from an image. If the profile is NULL, it is removed from the image
otherwise added (or applied). Use a name of '*' and a profile of NULL to
remove all profiles from the image. Ownership of the profile is
transferred to GraphicsMagick (it should not be altered or deallocated)
unless the clone option is set to True.</p>
<p>ICC ICM profiles are a special case and are handled as follows:</p>
<p>If there is no ICM profile currently associated with the image, then
the profile is simply associated with the image and the image pixels
are not altered.</p>
<p>If there is already a ICM profile associated with the image, then
the colorspace transform described by the existing and new profiles
is applied to the image pixels, and the new profile is associated
with the image.</p>
<p>The format of the ProfileImage method is:</p>
<pre class="literal-block">
unsigned int ProfileImage( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *name, unsigned char *profile,
const size_t length, unsigned int clone );
</pre>
<dl class="docutils">
<dt>image:</dt>
<dd>The image.</dd>
<dt>name:</dt>
<dd>Name of profile to add or remove: ICM, IPTC, or generic profile.</dd>
<dt>profile:</dt>
<dd>The profile. Can not be 'const' due to 'clone' option but
is treated as 'const' if 'clone' is set to MagickTrue.</dd>
<dt>length:</dt>
<dd>The length of the profile.</dd>
<dt>clone:</dt>
<dd>If set True, then copy the profile rather than taking
ownership of it.</dd>
</dl>
</div>
</div>
<div class="section" id="setimageprofile">
<h1><a class="toc-backref" href="#id22">SetImageProfile</a></h1>
<div class="section" id="id13">
<h2>Synopsis</h2>
<pre class="literal-block">
unsigned int SetImageProfile( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *name, const unsigned char *profile,
const size_t length );
</pre>
</div>
<div class="section" id="id14">
<h2>Description</h2>
<p>SetImageProfile adds a named profile to the image. If a profile with the
same name already exists, then it is replaced. If a null profile address
is supplied, then an existing profile is removed. The profile is copied
into the image. Note that this function does not execute CMS color
profiles. Any existing CMS color profile is simply replaced. Use the
ProfileImage() function in order to execute a CMS color profile.</p>
<p>Older versions of this function stored profiles named "8BIM" and "IPTC"
in the same storage location. This is no longer the case. However,
GetImageProfile() will try the alternate name if the specifically
requested profile name is not available. Note that when trying to remove
a profile, it may be necessary to remove both names in order for an
"IPTC" profile to no longer be included in output file formats.</p>
<p>The format of the SetImageProfile method is:</p>
<pre class="literal-block">
unsigned int SetImageProfile( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *name, const unsigned char *profile,
const size_t length );
</pre>
<dl class="docutils">
<dt>image:</dt>
<dd>The image.</dd>
<dt>name:</dt>
<dd>Profile name. Valid names are "8BIM", "ICM", "IPTC", XMP, or any
unique text string.</dd>
<dt>profile:</dt>
<dd>Address of profile to add. Pass zero to remove an existing
profile.</dd>
<dt>length:</dt>
<dd>The length of the profile.</dd>
</dl>
</div>
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