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191<div class="main">
192
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame^]193<h1>Module annotate
194 Methods</h1>
195<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>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]196
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame^]197<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate
198_8c.html" id="AnnotateImage">AnnotateImage</a></h2>
199<div class="doc-section">
200
201<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>
202
203<pre class="text">
204 b file size in bytes.
205 c comment.
206 d directory in which the image resides.
207 e extension of the image file.
208 f original filename of the image.
209 h height of image.
210 i filename of the image.
211 k number of unique colors.
212 l image label.
213 m image file format.
214 n number of images in a image sequence.
215 o output image filename.
216 p page number of the image.
217 q image depth (8 or 16).
218 q image depth (8 or 16).
219 s image scene number.
220 t image filename without any extension.
221 u a unique temporary filename.
222 w image width.
223 x x resolution of the image.
224 y y resolution of the image.
225</pre>
226
227<p>The format of the AnnotateImage method is:</p>
228
229<pre class="code">
230 MagickBooleanType AnnotateImage(Image *image,DrawInfo *draw_info)
231</pre>
232
233<p>A description of each parameter follows:</p>
234
235<h5>image</h5>
236<p>the image.</p>
237
238<h5>draw_info</h5>
239<p>the draw info.</p>
240
241 </div>
242<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate
243_8c.html" id="FormatMagickCaption">FormatMagickCaption</a></h2>
244<div class="doc-section">
245
246<p>FormatMagickCaption() formats a caption so that it fits within the image width. It returns the number of lines in the formatted caption.</p>
247
248<p>The format of the FormatMagickCaption method is:</p>
249
250<pre class="code">
251 ssize_t FormatMagickCaption(Image *image,DrawInfo *draw_info,
252 const MagickBooleanType split,TypeMetric *metrics,char **caption)
253</pre>
254
255<p>A description of each parameter follows.</p>
256
257<h5>image</h5>
258<p>The image.</p>
259
260<h5>draw_info</h5>
261<p>the draw info.</p>
262
263<h5>split</h5>
264<p>when no convenient line breaks-- insert newline.</p>
265
266<h5>metrics</h5>
267<p>Return the font metrics in this structure.</p>
268
269<h5>caption</h5>
270<p>the caption.</p>
271
272 </div>
273<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate
274_8c.html" id="GetMultilineTypeMetrics">GetMultilineTypeMetrics</a></h2>
275<div class="doc-section">
276
277<p>GetMultilineTypeMetrics() returns the following information for the specified font and text:</p>
278
279<pre class="text">
280 character width
281 character height
282 ascender
283 descender
284 text width
285 text height
286 maximum horizontal advance
287 bounds: x1
288 bounds: y1
289 bounds: x2
290 bounds: y2
291 origin: x
292 origin: y
293 underline position
294 underline thickness
295</pre>
296
297<p>This method is like GetTypeMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
298
299<p>The format of the GetMultilineTypeMetrics method is:</p>
300
301<pre class="code">
302 MagickBooleanType GetMultilineTypeMetrics(Image *image,
303 const DrawInfo *draw_info,TypeMetric *metrics)
304</pre>
305
306<p>A description of each parameter follows:</p>
307
308<h5>image</h5>
309<p>the image.</p>
310
311<h5>draw_info</h5>
312<p>the draw info.</p>
313
314<h5>metrics</h5>
315<p>Return the font metrics in this structure.</p>
316
317 </div>
318<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate
319_8c.html" id="GetTypeMetrics">GetTypeMetrics</a></h2>
320<div class="doc-section">
321
322<p>GetTypeMetrics() returns the following information for the specified font and text:</p>
323
324<pre class="text">
325 character width
326 character height
327 ascender
328 descender
329 text width
330 text height
331 maximum horizontal advance
332 bounds: x1
333 bounds: y1
334 bounds: x2
335 bounds: y2
336 origin: x
337 origin: y
338 underline position
339 underline thickness
340</pre>
341
342<p>The format of the GetTypeMetrics method is:</p>
343
344<pre class="code">
345 MagickBooleanType GetTypeMetrics(Image *image,const DrawInfo *draw_info,
346 TypeMetric *metrics)
347</pre>
348
349<p>A description of each parameter follows:</p>
350
351<h5>image</h5>
352<p>the image.</p>
353
354<h5>draw_info</h5>
355<p>the draw info.</p>
356
357<h5>metrics</h5>
358<p>Return the font metrics in this structure.</p>
359
360 </div>
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382 (function() {
383 var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
384 ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
385 var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
386 })();
387 </script>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]388</body>
389</html>