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168<div class="main">
169
cristy307ba182010-12-25 01:00:34 +0000[diff] [blame]170<h1>Module annotate
171 Methods</h1>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]172<p class="navigation-index">[<a href="#AnnotateImage">AnnotateImage</a> &bull; <a href="#FormatMagickCaption">FormatMagickCaption</a> &bull; <a href="#GetMultilineTypeMetrics">GetMultilineTypeMetrics</a> &bull; <a href="#GetTypeMetrics">GetTypeMetrics</a>]</p>
173
174<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate
175_8c.html" target="source" name="AnnotateImage">AnnotateImage</a></h2>
176<div class="doc-section">
177
178<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>
179
180<pre class="text">
181 b file size in bytes.
182 c comment.
183 d directory in which the image resides.
184 e extension of the image file.
185 f original filename of the image.
186 h height of image.
187 i filename of the image.
188 k number of unique colors.
189 l image label.
190 m image file format.
191 n number of images in a image sequence.
192 o output image filename.
193 p page number of the image.
194 q image depth (8 or 16).
195 q image depth (8 or 16).
196 s image scene number.
197 t image filename without any extension.
198 u a unique temporary filename.
199 w image width.
200 x x resolution of the image.
201 y y resolution of the image.
202</pre>
203
204<p>The format of the AnnotateImage method is:</p>
205
206<pre class="code">
207 MagickBooleanType AnnotateImage(Image *image,DrawInfo *draw_info)
208</pre>
209
210<p>A description of each parameter follows:</p></ol>
211
212<h5>image</h5>
213<ol><p>the image.</p></ol>
214
215<h5>draw_info</h5>
216<ol><p>the draw info.</p></ol>
217
218 </div>
219<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate
220_8c.html" target="source" name="FormatMagickCaption">FormatMagickCaption</a></h2>
221<div class="doc-section">
222
223<p>FormatMagickCaption() formats a caption so that it fits within the image width. It returns the number of lines in the formatted caption.</p></ol>
224
225<p>The format of the FormatMagickCaption method is:</p>
226
227<pre class="code">
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]228 ssize_t FormatMagickCaption(Image *image,DrawInfo *draw_info,
cristyd0bd44a2010-09-24 12:38:11 +0000[diff] [blame]229 const MagickBooleanType split,TypeMetric *metrics,char **caption)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]230</pre>
231
232<p>A description of each parameter follows.</p></ol>
233
234<h5>image</h5>
235<ol><p>The image.</p></ol>
236
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]237<h5>draw_info</h5>
238<ol><p>the draw info.</p></ol>
239
cristyd0bd44a2010-09-24 12:38:11 +0000[diff] [blame]240<h5>split</h5>
241<ol><p>when no convenient line breaks-- insert newline.</p></ol>
242
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]243<h5>metrics</h5>
244<ol><p>Return the font metrics in this structure.</p></ol>
245
cristyd0bd44a2010-09-24 12:38:11 +0000[diff] [blame]246<h5>caption</h5>
247<ol><p>the caption.</p></ol>
248
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]249 </div>
250<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate
251_8c.html" target="source" name="GetMultilineTypeMetrics">GetMultilineTypeMetrics</a></h2>
252<div class="doc-section">
253
254<p>GetMultilineTypeMetrics() returns the following information for the specified font and text:</p>
255
256<pre class="text">
257 character width
258 character height
259 ascender
260 descender
261 text width
262 text height
263 maximum horizontal advance
264 bounds: x1
265 bounds: y1
266 bounds: x2
267 bounds: y2
268 origin: x
269 origin: y
270 underline position
271 underline thickness
272</pre>
273
274<p>This method is like GetTypeMetrics() but it returns the maximum text width and height for multiple lines of text.</p></ol>
275
276<p>The format of the GetMultilineTypeMetrics method is:</p>
277
278<pre class="code">
279 MagickBooleanType GetMultilineTypeMetrics(Image *image,
280 const DrawInfo *draw_info,TypeMetric *metrics)
281</pre>
282
283<p>A description of each parameter follows:</p></ol>
284
285<h5>image</h5>
286<ol><p>the image.</p></ol>
287
288<h5>draw_info</h5>
289<ol><p>the draw info.</p></ol>
290
291<h5>metrics</h5>
292<ol><p>Return the font metrics in this structure.</p></ol>
293
294 </div>
295<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate
296_8c.html" target="source" name="GetTypeMetrics">GetTypeMetrics</a></h2>
297<div class="doc-section">
298
299<p>GetTypeMetrics() returns the following information for the specified font and text:</p>
300
301<pre class="text">
302 character width
303 character height
304 ascender
305 descender
306 text width
307 text height
308 maximum horizontal advance
309 bounds: x1
310 bounds: y1
311 bounds: x2
312 bounds: y2
313 origin: x
314 origin: y
315 underline position
316 underline thickness
317</pre>
318
319<p>The format of the GetTypeMetrics method is:</p>
320
321<pre class="code">
322 MagickBooleanType GetTypeMetrics(Image *image,const DrawInfo *draw_info,
323 TypeMetric *metrics)
324</pre>
325
326<p>A description of each parameter follows:</p></ol>
327
328<h5>image</h5>
329<ol><p>the image.</p></ol>
330
331<h5>draw_info</h5>
332<ol><p>the draw info.</p></ol>
333
334<h5>metrics</h5>
335<ol><p>Return the font metrics in this structure.</p></ol>
336
337 </div>
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