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187<div class="main">
188
cristy307ba182010-12-25 01:00:34 +0000[diff] [blame]189<h1>Module annotate
190 Methods</h1>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]191<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>
192
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]193<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/annotate
194_8c.html" id="AnnotateImage">AnnotateImage</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]195<div class="doc-section">
196
197<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>
198
199<pre class="text">
200 b file size in bytes.
201 c comment.
202 d directory in which the image resides.
203 e extension of the image file.
204 f original filename of the image.
205 h height of image.
206 i filename of the image.
207 k number of unique colors.
208 l image label.
209 m image file format.
210 n number of images in a image sequence.
211 o output image filename.
212 p page number of the image.
213 q image depth (8 or 16).
214 q image depth (8 or 16).
215 s image scene number.
216 t image filename without any extension.
217 u a unique temporary filename.
218 w image width.
219 x x resolution of the image.
220 y y resolution of the image.
221</pre>
222
223<p>The format of the AnnotateImage method is:</p>
224
225<pre class="code">
226 MagickBooleanType AnnotateImage(Image *image,DrawInfo *draw_info)
227</pre>
228
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]229<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]230
231<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]232<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]233
234<h5>draw_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]235<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]236
237 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]238<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/annotate
239_8c.html" id="FormatMagickCaption">FormatMagickCaption</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]240<div class="doc-section">
241
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]242<p>FormatMagickCaption() formats a caption so that it fits within the image width. It returns the number of lines in the formatted caption.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]243
244<p>The format of the FormatMagickCaption method is:</p>
245
246<pre class="code">
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]247 ssize_t FormatMagickCaption(Image *image,DrawInfo *draw_info,
cristyd0bd44a2010-09-24 12:38:11 +0000[diff] [blame]248 const MagickBooleanType split,TypeMetric *metrics,char **caption)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]249</pre>
250
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]251<p>A description of each parameter follows.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]252
253<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]254<p>The image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]255
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]256<h5>draw_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]257<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]258
cristyd0bd44a2010-09-24 12:38:11 +0000[diff] [blame]259<h5>split</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]260<p>when no convenient line breaks-- insert newline.</p>
cristyd0bd44a2010-09-24 12:38:11 +0000[diff] [blame]261
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]262<h5>metrics</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]263<p>Return the font metrics in this structure.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]264
cristyd0bd44a2010-09-24 12:38:11 +0000[diff] [blame]265<h5>caption</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]266<p>the caption.</p>
cristyd0bd44a2010-09-24 12:38:11 +0000[diff] [blame]267
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]268 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]269<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/annotate
270_8c.html" id="GetMultilineTypeMetrics">GetMultilineTypeMetrics</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]271<div class="doc-section">
272
273<p>GetMultilineTypeMetrics() returns the following information for the specified font and text:</p>
274
275<pre class="text">
276 character width
277 character height
278 ascender
279 descender
280 text width
281 text height
282 maximum horizontal advance
283 bounds: x1
284 bounds: y1
285 bounds: x2
286 bounds: y2
287 origin: x
288 origin: y
289 underline position
290 underline thickness
291</pre>
292
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]293<p>This method is like GetTypeMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]294
295<p>The format of the GetMultilineTypeMetrics method is:</p>
296
297<pre class="code">
298 MagickBooleanType GetMultilineTypeMetrics(Image *image,
299 const DrawInfo *draw_info,TypeMetric *metrics)
300</pre>
301
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]302<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]303
304<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]305<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]306
307<h5>draw_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]308<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]309
310<h5>metrics</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]311<p>Return the font metrics in this structure.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]312
313 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]314<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/annotate
315_8c.html" id="GetTypeMetrics">GetTypeMetrics</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]316<div class="doc-section">
317
318<p>GetTypeMetrics() returns the following information for the specified font and text:</p>
319
320<pre class="text">
321 character width
322 character height
323 ascender
324 descender
325 text width
326 text height
327 maximum horizontal advance
328 bounds: x1
329 bounds: y1
330 bounds: x2
331 bounds: y2
332 origin: x
333 origin: y
334 underline position
335 underline thickness
336</pre>
337
338<p>The format of the GetTypeMetrics method is:</p>
339
340<pre class="code">
341 MagickBooleanType GetTypeMetrics(Image *image,const DrawInfo *draw_info,
342 TypeMetric *metrics)
343</pre>
344
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]345<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]346
347<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]348<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]349
350<h5>draw_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]351<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]352
353<h5>metrics</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]354<p>Return the font metrics in this structure.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]355
356 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]357
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