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176
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]177<h1>Module annotate Methods</h1>
cristy44cbd482013-08-04 20:53:36 +0000[diff] [blame^]178<p class="navigation-index">[<a href="annotate.html#AnnotateImage">AnnotateImage</a> • <a href="annotate.html#FormatMagickCaption">FormatMagickCaption</a> • <a href="annotate.html#GetMultilineTypeMetrics">GetMultilineTypeMetrics</a> • <a href="annotate.html#GetTypeMetrics">GetTypeMetrics</a>]</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]179
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]180<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate_8c.html" id="AnnotateImage">AnnotateImage</a></h2>
181<div class="doc-section">
182
183<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>
184
185<pre class="text">
186 b file size in bytes.
187 c comment.
188 d directory in which the image resides.
189 e extension of the image file.
190 f original filename of the image.
191 h height of image.
192 i filename of the image.
193 k number of unique colors.
194 l image label.
195 m image file format.
196 n number of images in a image sequence.
197 o output image filename.
198 p page number of the image.
199 q image depth (8 or 16).
200 q image depth (8 or 16).
201 s image scene number.
202 t image filename without any extension.
203 u a unique temporary filename.
204 w image width.
205 x x resolution of the image.
206 y y resolution of the image.
207</pre>
208
209<p>The format of the AnnotateImage method is:</p>
210
211<pre class="code">
212 MagickBooleanType AnnotateImage(Image *image,DrawInfo *draw_info)
213</pre>
214
215<p>A description of each parameter follows:</p>
216
217<h5>image</h5>
218<p>the image.</p>
219
220<h5>draw_info</h5>
221<p>the draw info.</p>
222
223 </div>
224<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate_8c.html" id="FormatMagickCaption">FormatMagickCaption</a></h2>
225<div class="doc-section">
226
227<p>FormatMagickCaption() formats a caption so that it fits within the image width. It returns the number of lines in the formatted caption.</p>
228
229<p>The format of the FormatMagickCaption method is:</p>
230
231<pre class="code">
232 ssize_t FormatMagickCaption(Image *image,DrawInfo *draw_info,
233 const MagickBooleanType split,TypeMetric *metrics,char **caption)
234</pre>
235
236<p>A description of each parameter follows.</p>
237
238<h5>image</h5>
239<p>The image.</p>
240
241<h5>draw_info</h5>
242<p>the draw info.</p>
243
244<h5>split</h5>
245<p>when no convenient line breaks-- insert newline.</p>
246
247<h5>metrics</h5>
248<p>Return the font metrics in this structure.</p>
249
250<h5>caption</h5>
251<p>the caption.</p>
252
253 </div>
254<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate_8c.html" id="GetMultilineTypeMetrics">GetMultilineTypeMetrics</a></h2>
255<div class="doc-section">
256
257<p>GetMultilineTypeMetrics() returns the following information for the specified font and text:</p>
258
259<pre class="text">
260 character width
261 character height
262 ascender
263 descender
264 text width
265 text height
266 maximum horizontal advance
267 bounds: x1
268 bounds: y1
269 bounds: x2
270 bounds: y2
271 origin: x
272 origin: y
273 underline position
274 underline thickness
275</pre>
276
277<p>This method is like GetTypeMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
278
279<p>The format of the GetMultilineTypeMetrics method is:</p>
280
281<pre class="code">
282 MagickBooleanType GetMultilineTypeMetrics(Image *image,
283 const DrawInfo *draw_info,TypeMetric *metrics)
284</pre>
285
286<p>A description of each parameter follows:</p>
287
288<h5>image</h5>
289<p>the image.</p>
290
291<h5>draw_info</h5>
292<p>the draw info.</p>
293
294<h5>metrics</h5>
295<p>Return the font metrics in this structure.</p>
296
297 </div>
298<h2><a href="http://www.imagemagick.org/api/MagickCore/annotate_8c.html" id="GetTypeMetrics">GetTypeMetrics</a></h2>
299<div class="doc-section">
300
301<p>GetTypeMetrics() returns the following information for the specified font and text:</p>
302
303<pre class="text">
304 character width
305 character height
306 ascender
307 descender
308 text width
309 text height
310 maximum horizontal advance
311 bounds: x1
312 bounds: y1
313 bounds: x2
314 bounds: y2
315 origin: x
316 origin: y
317 underline position
318 underline thickness
319</pre>
320
321<p>The format of the GetTypeMetrics method is:</p>
322
323<pre class="code">
324 MagickBooleanType GetTypeMetrics(Image *image,const DrawInfo *draw_info,
325 TypeMetric *metrics)
326</pre>
327
328<p>A description of each parameter follows:</p>
329
330<h5>image</h5>
331<p>the image.</p>
332
333<h5>draw_info</h5>
334<p>the draw info.</p>
335
336<h5>metrics</h5>
337<p>Return the font metrics in this structure.</p>
338
339 </div>
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