187 lines
7.4 KiB
Groff
187 lines
7.4 KiB
Groff
<!DOCTYPE html>
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<title>cursor() | reference | Processing.js</title>
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<span class="tagline">a port of the Processing Visualization Language</span>
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<div class="span11">
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
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<tr class="name-row">
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<th scope="row">Name</th>
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<td><h3>cursor()</h3></td>
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</tr>
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<tr class="">
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<th scope="row">Examples</th>
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<td><div class="example">
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<pre>// Move the mouse left and right across the image
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// to see the cursor change from a cross to a hand
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void draw()
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{
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if(mouseX < 50) {
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cursor(CROSS);
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} else {
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cursor(HAND);
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}
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}</pre></div></td>
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</tr>
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<tr class="">
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<th scope="row">Description</th>
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<td>Sets the cursor to a predefined symbol, an image, or turns it on if already hidden. If you are trying to set an image as the cursor,
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it is recommended to make the size 16x16 or 32x32 pixels. It is not possible to load an image as the cursor if you are exporting your program for the Web.
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The values for parameters <b>x</b> and <b>y</b> must be less than the dimensions of the image.</td>
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</tr>
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<tr class="">
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<th scope="row">Syntax</th>
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<td><pre>cursor()</pre></td>
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</tr>
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<tr class="">
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<th scope="row"></th>
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<td><pre>cursor(<kbd>MODE</kbd>)</pre></td>
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</tr>
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<tr class="">
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<th scope="row"></th>
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<td><pre>cursor(<kbd>image</kbd>,<kbd>x</kbd>,<kbd>y</kbd>)</pre></td>
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</tr>
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<tr class="">
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<th scope="row">Parameters</th>
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<td>
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<table cellpadding="0" cellspacing="0" border="0">
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<tr class="">
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<th scope="row">MODE</th>
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<td>either ARROW, CROSS, HAND, MOVE, TEXT, WAIT</td>
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</tr>
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<tr class="">
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<th scope="row">image</th>
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<td>PImage: any variable of type PImage</td>
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</tr>
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<tr class="">
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<th scope="row">x</th>
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<td>int: the horizonal active spot of the cursor</td>
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</tr>
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<tr class="">
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<th scope="row">y</th>
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<td>int: the vertical active spot of the cursor</td>
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</tr>
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</table>
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</td>
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</tr>
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<tr class="">
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<th scope="row">Returns</th>
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<td>None</td>
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</tr>
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<tr class="">
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<th scope="row">Usage</th>
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<td>Web & Application</td>
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</tr>
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<tr class="">
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<th scope="row">Related</th>
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<td><a href="noCursor_.1">noCursor()</a><br /></td>
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</tr>
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</table>
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<p>This reference is licensed under the CC BY-NC-SA 2.0 license:</p>
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Processing is an open visualization language developed by
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<a href="http://benfry.com/">Ben Fry</a> & <a href="http://reas.com/">Casey Reas</a>,
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and originally ported to Javascript by
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<a href="http://ejohn.org/blog/processingjs/">John Resig</a>.
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Processing.js is maintained by the Processing.js team.
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