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     55 <p class="text-center"><a href="annotate.php#AnnotateImage">AnnotateImage</a> &bull; <a href="annotate.php#FormatMagickCaption">FormatMagickCaption</a> &bull; <a href="annotate.php#GetMultilineTypeMetrics">GetMultilineTypeMetrics</a> &bull; <a href="annotate.php#GetTypeMetrics">GetTypeMetrics</a></p>
     56 
     57 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/annotate_8c.html" id="AnnotateImage">AnnotateImage</a></h2>
     58 
     59 <p>AnnotateImage() annotates an image with text.  Optionally you can include any of the following bits of information about the image by embedding the appropriate special characters:</p>
     60 
     61 <pre class="text">
     62     \n   newline
     63     \r   carriage return
     64     &lt;    less-than character.
     65     &gt;    greater-than character.
     66     &amp;    ampersand character.
     67  a percent sign
     68     b   file size of image read in
     69     c   comment meta-data property
     70     d   directory component of path
     71     e   filename extension or suffix
     72     f   filename (including suffix)
     73     g   layer canvas page geometry   (equivalent to "WxHXY")
     74     h   current image height in pixels
     75     i   image filename (note: becomes output filename for "info:")
     76     k   CALCULATED: number of unique colors
     77     l   label meta-data property
     78     m   image file format (file magic)
     79     n   number of images in current image sequence
     80     o   output filename  (used for delegates)
     81     p   index of image in current image list
     82     q   quantum depth (compile-time constant)
     83     r   image class and colorspace
     84     s   scene number (from input unless re-assigned)
     85     t   filename without directory or extension (suffix)
     86     u   unique temporary filename (used for delegates)
     87     w   current width in pixels
     88     x   x resolution (density)
     89     y   y resolution (density)
     90     z   image depth (as read in unless modified, image save depth)
     91     A   image transparency channel enabled (true/false)
     92     C   image compression type
     93     D   image GIF dispose method
     94     G   original image size (wxh; before any resizes)
     95     H   page (canvas) height
     96     M   Magick filename (original file exactly as given,  including read mods)
     97     O   page (canvas) offset ( = XY )
     98     P   page (canvas) size ( = WxH )
     99     Q   image compression quality ( 0 = default )
    100     S   ?? scenes ??
    101     T   image time delay (in centi-seconds)
    102     U   image resolution units
    103     W   page (canvas) width
    104     X   page (canvas) x offset (including sign)
    105     Y   page (canvas) y offset (including sign)
    106     Z   unique filename (used for delegates)
    107     @   CALCULATED: trim bounding box (without actually trimming)
    108     #   CALCULATED: 'signature' hash of image values
    109 </pre>
    110 
    111 <p>The format of the AnnotateImage method is:</p>
    112 
    113 <pre class="text">
    114 MagickBooleanType AnnotateImage(Image *image,DrawInfo *draw_info,
    115   ExceptionInfo *exception)
    116 </pre>
    117 
    118 <p>A description of each parameter follows:</p>
    119 
    120 <dd>
    121 </dd>
    122 
    123 <dd> </dd>
    124 <dl class="dl-horizontal">
    125 <dt>image</dt>
    126 <dd>the image. </dd>
    127 
    128 <dd> </dd>
    129 <dt>draw_info</dt>
    130 <dd>the draw info. </dd>
    131 
    132 <dd> </dd>
    133 <dt>exception</dt>
    134 <dd>return any errors or warnings in this structure. </dd>
    135 
    136 <dd>  </dd>
    137 </dl>
    138 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/annotate_8c.html" id="FormatMagickCaption">FormatMagickCaption</a></h2>
    139 
    140 <p>FormatMagickCaption() formats a caption so that it fits within the image width.  It returns the number of lines in the formatted caption.</p>
    141 
    142 <p>The format of the FormatMagickCaption method is:</p>
    143 
    144 <pre class="text">
    145 ssize_t FormatMagickCaption(Image *image,DrawInfo *draw_info,
    146   const MagickBooleanType split,TypeMetric *metrics,char **caption,
    147   ExceptionInfo *exception)
    148 </pre>
    149 
    150 <p>A description of each parameter follows.</p>
    151 
    152 <dt>image</dt>
    153 <p>The image.</p>
    154 
    155 <dt>draw_info</dt>
    156 <p>the draw info.</p>
    157 
    158 <dt>split</dt>
    159 <p>when no convenient line breaks-- insert newline.</p>
    160 
    161 <dt>metrics</dt>
    162 <p>Return the font metrics in this structure.</p>
    163 
    164 <dt>caption</dt>
    165 <p>the caption.</p>
    166 
    167 <dt>exception</dt>
    168 <p>return any errors or warnings in this structure.</p>
    169 
    170 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/annotate_8c.html" id="GetMultilineTypeMetrics">GetMultilineTypeMetrics</a></h2>
    171 
    172 <p>GetMultilineTypeMetrics() returns the following information for the specified font and text:</p>
    173 
    174 <pre class="text">
    175     character width
    176     character height
    177     ascender
    178     descender
    179     text width
    180     text height
    181     maximum horizontal advance
    182     bounds: x1
    183     bounds: y1
    184     bounds: x2
    185     bounds: y2
    186     origin: x
    187     origin: y
    188     underline position
    189     underline thickness
    190 </pre>
    191 
    192 <p>This method is like GetTypeMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
    193 
    194 <p>The format of the GetMultilineTypeMetrics method is:</p>
    195 
    196 <pre class="text">
    197 MagickBooleanType GetMultilineTypeMetrics(Image *image,
    198   const DrawInfo *draw_info,TypeMetric *metrics,ExceptionInfo *exception)
    199 </pre>
    200 
    201 <p>A description of each parameter follows:</p>
    202 
    203 <dd>
    204 </dd>
    205 
    206 <dd> </dd>
    207 <dl class="dl-horizontal">
    208 <dt>image</dt>
    209 <dd>the image. </dd>
    210 
    211 <dd> </dd>
    212 <dt>draw_info</dt>
    213 <dd>the draw info. </dd>
    214 
    215 <dd> </dd>
    216 <dt>metrics</dt>
    217 <dd>Return the font metrics in this structure. </dd>
    218 
    219 <dd> </dd>
    220 <dt>exception</dt>
    221 <dd>return any errors or warnings in this structure. </dd>
    222 
    223 <dd>  </dd>
    224 </dl>
    225 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/annotate_8c.html" id="GetTypeMetrics">GetTypeMetrics</a></h2>
    226 
    227 <p>GetTypeMetrics() returns the following information for the specified font and text:</p>
    228 
    229 <pre class="text">
    230     character width
    231     character height
    232     ascender
    233     descender
    234     text width
    235     text height
    236     maximum horizontal advance
    237     bounds: x1
    238     bounds: y1
    239     bounds: x2
    240     bounds: y2
    241     origin: x
    242     origin: y
    243     underline position
    244     underline thickness
    245 </pre>
    246 
    247 <p>The format of the GetTypeMetrics method is:</p>
    248 
    249 <pre class="text">
    250 MagickBooleanType GetTypeMetrics(Image *image,const DrawInfo *draw_info,
    251   TypeMetric *metrics,ExceptionInfo *exception)
    252 </pre>
    253 
    254 <p>A description of each parameter follows:</p>
    255 
    256 <dd>
    257 </dd>
    258 
    259 <dd> </dd>
    260 <dl class="dl-horizontal">
    261 <dt>image</dt>
    262 <dd>the image. </dd>
    263 
    264 <dd> </dd>
    265 <dt>draw_info</dt>
    266 <dd>the draw info. </dd>
    267 
    268 <dd> </dd>
    269 <dt>metrics</dt>
    270 <dd>Return the font metrics in this structure. </dd>
    271 
    272 <dd> </dd>
    273 <dt>exception</dt>
    274 <dd>return any errors or warnings in this structure. </dd>
    275 
    276 <dd>  </dd>
    277 </dl>
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