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Worked on image save as a file in Moodle.
[moodle/mihaisucan.git] / lib / paintweb / docs / api-ref / symbols / pwlib.tools.ellipse.html
blob1da5a95c91420fd577926957cdb20bc267afc838
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177 <!-- ============================== header ================================= -->
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182
183 <!-- ============================== classes index ============================ -->
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185 <!-- begin publish.classesIndex -->
186 <div align="center"><a href="../index.html">Class Index</a>
187 | <a href="../files.html">File Index</a></div>
188 <hr />
189 <h2>Classes</h2>
190 <ul class="classList">
191
192 <li><i><a href="../symbols/_global_.html">_global_</a></i></li>
193
194 <li><a href="../symbols/PaintWeb.html">PaintWeb</a></li>
195
196 <li><a href="../symbols/pwlib.html">pwlib</a></li>
197
198 <li><a href="../symbols/pwlib.appEvent.html">pwlib.appEvent</a></li>
199
200 <li><a href="../symbols/pwlib.appEvent.appDestroy.html">pwlib.appEvent.appDestroy</a></li>
201
202 <li><a href="../symbols/pwlib.appEvent.appInit.html">pwlib.appEvent.appInit</a></li>
203
204 <li><a href="../symbols/pwlib.appEvent.canvasSizeChange.html">pwlib.appEvent.canvasSizeChange</a></li>
205
206 <li><a href="../symbols/pwlib.appEvent.clipboardUpdate.html">pwlib.appEvent.clipboardUpdate</a></li>
207
208 <li><a href="../symbols/pwlib.appEvent.commandRegister.html">pwlib.appEvent.commandRegister</a></li>
209
210 <li><a href="../symbols/pwlib.appEvent.commandUnregister.html">pwlib.appEvent.commandUnregister</a></li>
211
212 <li><a href="../symbols/pwlib.appEvent.configChange.html">pwlib.appEvent.configChange</a></li>
213
214 <li><a href="../symbols/pwlib.appEvent.extensionRegister.html">pwlib.appEvent.extensionRegister</a></li>
215
216 <li><a href="../symbols/pwlib.appEvent.extensionUnregister.html">pwlib.appEvent.extensionUnregister</a></li>
217
218 <li><a href="../symbols/pwlib.appEvent.guiFloatingPanelStateChange.html">pwlib.appEvent.guiFloatingPanelStateChange</a></li>
219
220 <li><a href="../symbols/pwlib.appEvent.guiHide.html">pwlib.appEvent.guiHide</a></li>
221
222 <li><a href="../symbols/pwlib.appEvent.guiResizeEnd.html">pwlib.appEvent.guiResizeEnd</a></li>
223
224 <li><a href="../symbols/pwlib.appEvent.guiResizeStart.html">pwlib.appEvent.guiResizeStart</a></li>
225
226 <li><a href="../symbols/pwlib.appEvent.guiShow.html">pwlib.appEvent.guiShow</a></li>
227
228 <li><a href="../symbols/pwlib.appEvent.guiTabActivate.html">pwlib.appEvent.guiTabActivate</a></li>
229
230 <li><a href="../symbols/pwlib.appEvent.historyUpdate.html">pwlib.appEvent.historyUpdate</a></li>
231
232 <li><a href="../symbols/pwlib.appEvent.imageCrop.html">pwlib.appEvent.imageCrop</a></li>
233
234 <li><a href="../symbols/pwlib.appEvent.imageSave.html">pwlib.appEvent.imageSave</a></li>
235
236 <li><a href="../symbols/pwlib.appEvent.imageSaveResult.html">pwlib.appEvent.imageSaveResult</a></li>
237
238 <li><a href="../symbols/pwlib.appEvent.imageSizeChange.html">pwlib.appEvent.imageSizeChange</a></li>
239
240 <li><a href="../symbols/pwlib.appEvent.imageZoom.html">pwlib.appEvent.imageZoom</a></li>
241
242 <li><a href="../symbols/pwlib.appEvent.selectionChange.html">pwlib.appEvent.selectionChange</a></li>
243
244 <li><a href="../symbols/pwlib.appEvent.shadowAllow.html">pwlib.appEvent.shadowAllow</a></li>
245
246 <li><a href="../symbols/pwlib.appEvent.toolActivate.html">pwlib.appEvent.toolActivate</a></li>
247
248 <li><a href="../symbols/pwlib.appEvent.toolPreactivate.html">pwlib.appEvent.toolPreactivate</a></li>
249
250 <li><a href="../symbols/pwlib.appEvent.toolRegister.html">pwlib.appEvent.toolRegister</a></li>
251
252 <li><a href="../symbols/pwlib.appEvent.toolUnregister.html">pwlib.appEvent.toolUnregister</a></li>
253
254 <li><a href="../symbols/pwlib.appEvents.html">pwlib.appEvents</a></li>
255
256 <li><a href="../symbols/pwlib.browser.html">pwlib.browser</a></li>
257
258 <li><a href="../symbols/pwlib.dom.html">pwlib.dom</a></li>
259
260 <li><a href="../symbols/pwlib.dom.KeyboardEventListener.html">pwlib.dom.KeyboardEventListener</a></li>
261
262 <li><a href="../symbols/pwlib.dom.keyCodes.html">pwlib.dom.keyCodes</a></li>
263
264 <li><a href="../symbols/pwlib.dom.keyCodes_fixes.html">pwlib.dom.keyCodes_fixes</a></li>
265
266 <li><a href="../symbols/pwlib.dom.keyCodes_Safari2.html">pwlib.dom.keyCodes_Safari2</a></li>
267
268 <li><a href="../symbols/pwlib.dom.keyNames.html">pwlib.dom.keyNames</a></li>
269
270 <li><a href="../symbols/pwlib.extensions.html">pwlib.extensions</a></li>
271
272 <li><a href="../symbols/pwlib.extensions.colormixer.html">pwlib.extensions.colormixer</a></li>
273
274 <li><a href="../symbols/pwlib.extensions.moodle.html">pwlib.extensions.moodle</a></li>
275
276 <li><a href="../symbols/pwlib.extensions.mousekeys.html">pwlib.extensions.mousekeys</a></li>
277
278 <li><a href="../symbols/pwlib.fileCache.html">pwlib.fileCache</a></li>
279
280 <li><a href="../symbols/pwlib.gui.html">pwlib.gui</a></li>
281
282 <li><a href="../symbols/pwlib.guiColorInput.html">pwlib.guiColorInput</a></li>
283
284 <li><a href="../symbols/pwlib.guiFloatingPanel.html">pwlib.guiFloatingPanel</a></li>
285
286 <li><a href="../symbols/pwlib.guiResizer.html">pwlib.guiResizer</a></li>
287
288 <li><a href="../symbols/pwlib.guiTabPanel.html">pwlib.guiTabPanel</a></li>
289
290 <li><a href="../symbols/pwlib.tools.html">pwlib.tools</a></li>
291
292 <li><a href="../symbols/pwlib.tools.bcurve.html">pwlib.tools.bcurve</a></li>
293
294 <li><a href="../symbols/pwlib.tools.cpicker.html">pwlib.tools.cpicker</a></li>
295
296 <li><a href="../symbols/pwlib.tools.ellipse.html">pwlib.tools.ellipse</a></li>
297
298 <li><a href="../symbols/pwlib.tools.eraser.html">pwlib.tools.eraser</a></li>
299
300 <li><a href="../symbols/pwlib.tools.hand.html">pwlib.tools.hand</a></li>
301
302 <li><a href="../symbols/pwlib.tools.insertimg.html">pwlib.tools.insertimg</a></li>
303
304 <li><a href="../symbols/pwlib.tools.line.html">pwlib.tools.line</a></li>
305
306 <li><a href="../symbols/pwlib.tools.pencil.html">pwlib.tools.pencil</a></li>
307
308 <li><a href="../symbols/pwlib.tools.polygon.html">pwlib.tools.polygon</a></li>
309
310 <li><a href="../symbols/pwlib.tools.rectangle.html">pwlib.tools.rectangle</a></li>
311
312 <li><a href="../symbols/pwlib.tools.selection.html">pwlib.tools.selection</a></li>
313
314 <li><a href="../symbols/pwlib.tools.text.html">pwlib.tools.text</a></li>
315
316 </ul>
317 <hr />
318 <!-- end publish.classesIndex -->
319 </div>
320
321 <div id="content">
322 <!-- ============================== class title ============================ -->
323 <h1 class="classTitle">
324
325 Class pwlib.tools.ellipse
326 </h1>
327
328 <!-- ============================== class summary ========================== -->
329 <p class="description">
330
331
332 The ellipse tool.
333
334
335 <br /><i>Defined in: </i> <a href="../symbols/src/src_tools_ellipse.js.html">ellipse.js</a>.
336
337 </p>
338
339 <!-- ============================== constructor summary ==================== -->
340
341 <table class="summaryTable" cellspacing="0" summary="A summary of the constructor documented in the class pwlib.tools.ellipse.">
342 <caption>Class Summary</caption>
343 <thead>
344 <tr>
345 <th scope="col">Constructor Attributes</th>
346 <th scope="col">Constructor Name and Description</th>
347 </tr>
348 </thead>
349 <tbody>
350 <tr>
351 <td class="attributes">&nbsp;</td>
352 <td class="nameDescription" >
353 <div class="fixedFont">
354 <b><a href="../symbols/pwlib.tools.ellipse.html#constructor">pwlib.tools.ellipse</a></b>(app)
355 </div>
356 <div class="description"></div>
357 </td>
358 </tr>
359 </tbody>
360 </table>
361
362
363 <!-- ============================== properties summary ===================== -->
364
365
366
367 <table class="summaryTable" cellspacing="0" summary="A summary of the fields documented in the class pwlib.tools.ellipse.">
368 <caption>Field Summary</caption>
369 <thead>
370 <tr>
371 <th scope="col">Field Attributes</th>
372 <th scope="col">Field Name and Description</th>
373 </tr>
374 </thead>
375 <tbody>
376
377 <tr>
378 <td class="attributes">&lt;private&gt; &lt;inner&gt; &nbsp;</td>
379 <td class="nameDescription">
380 <div class="fixedFont">
381 <b><a href="../symbols/pwlib.tools.ellipse.html#-needsRedraw">needsRedraw</a></b>
382 </div>
383 <div class="description">Tells if the drawing canvas needs to be updated or not.</div>
384 </td>
385 </tr>
386
387 <tr>
388 <td class="attributes">&lt;private&gt; &lt;inner&gt; &nbsp;</td>
389 <td class="nameDescription">
390 <div class="fixedFont">
391 <b><a href="../symbols/pwlib.tools.ellipse.html#-shiftKey">shiftKey</a></b>
392 </div>
393 <div class="description">Tells if the <kbd>Shift</kbd> key is down or not.</div>
394 </td>
395 </tr>
396
397 <tr>
398 <td class="attributes">&lt;private&gt; &lt;inner&gt; &nbsp;</td>
399 <td class="nameDescription">
400 <div class="fixedFont">
401 <b><a href="../symbols/pwlib.tools.ellipse.html#-timer">timer</a></b>
402 </div>
403 <div class="description">The interval ID used for invoking the drawing operation every few
404 milliseconds.</div>
405 </td>
406 </tr>
407
408 <tr>
409 <td class="attributes">&lt;private&gt; &lt;inner&gt; &nbsp;</td>
410 <td class="nameDescription">
411 <div class="fixedFont">
412 <b><a href="../symbols/pwlib.tools.ellipse.html#-x0">x0</a></b>
413 </div>
414 <div class="description">Holds the starting point on the <var>x</var> axis of the image, for the
415 current drawing operation.</div>
416 </td>
417 </tr>
418
419 <tr>
420 <td class="attributes">&lt;private&gt; &lt;inner&gt; &nbsp;</td>
421 <td class="nameDescription">
422 <div class="fixedFont">
423 <b><a href="../symbols/pwlib.tools.ellipse.html#-y0">y0</a></b>
424 </div>
425 <div class="description">Holds the starting point on the <var>y</var> axis of the image, for the
426 current drawing operation.</div>
427 </td>
428 </tr>
429
430 </tbody>
431 </table>
432
433
434
435
436
437 <!-- ============================== methods summary ======================== -->
438
439
440
441 <table class="summaryTable" cellspacing="0" summary="A summary of the methods documented in the class pwlib.tools.ellipse.">
442 <caption>Method Summary</caption>
443 <thead>
444 <tr>
445 <th scope="col">Method Attributes</th>
446 <th scope="col">Method Name and Description</th>
447 </tr>
448 </thead>
449 <tbody>
450
451 <tr>
452 <td class="attributes">&nbsp;</td>
453 <td class="nameDescription">
454 <div class="fixedFont"><b><a href="../symbols/pwlib.tools.ellipse.html#deactivate">deactivate</a></b>()
455 </div>
456 <div class="description">Tool deactivation event handler.</div>
457 </td>
458 </tr>
459
460 <tr>
461 <td class="attributes">&nbsp;</td>
462 <td class="nameDescription">
463 <div class="fixedFont"><b><a href="../symbols/pwlib.tools.ellipse.html#draw">draw</a></b>()
464 </div>
465 <div class="description">Perform the drawing operation.</div>
466 </td>
467 </tr>
468
469 <tr>
470 <td class="attributes">&nbsp;</td>
471 <td class="nameDescription">
472 <div class="fixedFont"><b><a href="../symbols/pwlib.tools.ellipse.html#keydown">keydown</a></b>(ev)
473 </div>
474 <div class="description">Allows the user to press <kbd>Escape</kbd> to cancel the drawing operation.</div>
475 </td>
476 </tr>
477
478 <tr>
479 <td class="attributes">&nbsp;</td>
480 <td class="nameDescription">
481 <div class="fixedFont"><b><a href="../symbols/pwlib.tools.ellipse.html#mousedown">mousedown</a></b>(ev)
482 </div>
483 <div class="description">Initialize the drawing operation.</div>
484 </td>
485 </tr>
486
487 <tr>
488 <td class="attributes">&nbsp;</td>
489 <td class="nameDescription">
490 <div class="fixedFont"><b><a href="../symbols/pwlib.tools.ellipse.html#mousemove">mousemove</a></b>(ev)
491 </div>
492 <div class="description">Store the <kbd>Shift</kbd> key state which is used by the drawing function.</div>
493 </td>
494 </tr>
495
496 <tr>
497 <td class="attributes">&nbsp;</td>
498 <td class="nameDescription">
499 <div class="fixedFont"><b><a href="../symbols/pwlib.tools.ellipse.html#mouseup">mouseup</a></b>(ev)
500 </div>
501 <div class="description">End the drawing operation, once the user releases the mouse button.</div>
502 </td>
503 </tr>
504
505 </tbody>
506 </table>
507
508
509
510
511 <!-- ============================== events summary ======================== -->
512
513
514 <!-- ============================== constructor details ==================== -->
515
516 <div class="details"><a name="constructor"> </a>
517 <div class="sectionTitle">
518 Class Detail
519 </div>
520
521 <div class="fixedFont">
522 <b>pwlib.tools.ellipse</b>(app)
523 </div>
524
525 <div class="description">
526
527
528 </div>
529
530
531
532
533
534 <dl class="detailList">
535 <dt class="heading">Parameters:</dt>
536
537 <dt>
538 <span class="light fixedFont">{<a href="../symbols/PaintWeb.html">PaintWeb</a>}</span> <b>app</b>
539
540 </dt>
541 <dd>Reference to the main paint application object.</dd>
542
543 </dl>
544
545
546
547
548
549
550
551
552 </div>
553
554
555 <!-- ============================== field details ========================== -->
556
557 <div class="sectionTitle">
558 Field Detail
559 </div>
560
561 <a name="-needsRedraw"> </a>
562 <div class="fixedFont">&lt;private&gt; &lt;inner&gt;
563
564 <span class="light">{Boolean}</span>
565 <b>needsRedraw</b>
566
567 </div>
568 <div class="description">
569 Tells if the drawing canvas needs to be updated or not.
570
571
572 </div>
573
574
575
576
577
578
579
580 <dl class="detailList">
581 <dt class="heading">Default Value:</dt>
582 <dd>
583 false
584 </dd>
585 </dl>
586
587
588 <hr />
589
590 <a name="-shiftKey"> </a>
591 <div class="fixedFont">&lt;private&gt; &lt;inner&gt;
592
593 <span class="light">{Boolean}</span>
594 <b>shiftKey</b>
595
596 </div>
597 <div class="description">
598 Tells if the <kbd>Shift</kbd> key is down or not. This is used by the
599 drawing function.
600
601
602 </div>
603
604
605
606
607
608
609
610 <dl class="detailList">
611 <dt class="heading">Default Value:</dt>
612 <dd>
613 false
614 </dd>
615 </dl>
616
617
618 <hr />
619
620 <a name="-timer"> </a>
621 <div class="fixedFont">&lt;private&gt; &lt;inner&gt;
622
623
624 <b>timer</b>
625
626 </div>
627 <div class="description">
628 The interval ID used for invoking the drawing operation every few
629 milliseconds.
630
631
632 </div>
633
634
635
636
637
638
639 <dl class="detailList">
640 <dt class="heading">See:</dt>
641
642 <dd>PaintWeb.config.toolDrawDelay</dd>
643
644 </dl>
645
646
647
648 <hr />
649
650 <a name="-x0"> </a>
651 <div class="fixedFont">&lt;private&gt; &lt;inner&gt;
652
653 <span class="light">{Number}</span>
654 <b>x0</b>
655
656 </div>
657 <div class="description">
658 Holds the starting point on the <var>x</var> axis of the image, for the
659 current drawing operation.
660
661
662 </div>
663
664
665
666
667
668
669
670
671 <hr />
672
673 <a name="-y0"> </a>
674 <div class="fixedFont">&lt;private&gt; &lt;inner&gt;
675
676 <span class="light">{Number}</span>
677 <b>y0</b>
678
679 </div>
680 <div class="description">
681 Holds the starting point on the <var>y</var> axis of the image, for the
682 current drawing operation.
683
684
685 </div>
686
687
688
689
690
691
692
693
694
695
696
697
698 <!-- ============================== method details ========================= -->
699
700 <div class="sectionTitle">
701 Method Detail
702 </div>
703
704 <a name="deactivate"> </a>
705 <div class="fixedFont">
706
707
708 <b>deactivate</b>()
709
710 </div>
711 <div class="description">
712 Tool deactivation event handler.
713
714
715 </div>
716
717
718
719
720
721
722
723
724
725
726
727 <hr />
728
729 <a name="draw"> </a>
730 <div class="fixedFont">
731
732
733 <b>draw</b>()
734
735 </div>
736 <div class="description">
737 Perform the drawing operation. This function is called every few
738 milliseconds.
739
740 <p>Hold down the <kbd>Shift</kbd> key to draw a circle.
741 <p>Press <kbd>Escape</kbd> to cancel the drawing operation.
742
743
744 </div>
745
746
747
748
749
750
751
752
753
754
755 <dl class="detailList">
756 <dt class="heading">See:</dt>
757
758 <dd>PaintWeb.config.toolDrawDelay</dd>
759
760 </dl>
761
762
763 <hr />
764
765 <a name="keydown"> </a>
766 <div class="fixedFont">
767
768 <span class="light">{Boolean}</span>
769 <b>keydown</b>(ev)
770
771 </div>
772 <div class="description">
773 Allows the user to press <kbd>Escape</kbd> to cancel the drawing operation.
774
775
776 </div>
777
778
779
780
781 <dl class="detailList">
782 <dt class="heading">Parameters:</dt>
783
784 <dt>
785 <span class="light fixedFont">{Event}</span> <b>ev</b>
786
787 </dt>
788 <dd>The DOM Event object.</dd>
789
790 </dl>
791
792
793
794
795
796 <dl class="detailList">
797 <dt class="heading">Returns:</dt>
798
799 <dd><span class="light fixedFont">{Boolean}</span> True if the drawing operation was cancelled, or false if
800 not.</dd>
801
802 </dl>
803
804
805
806
807 <hr />
808
809 <a name="mousedown"> </a>
810 <div class="fixedFont">
811
812
813 <b>mousedown</b>(ev)
814
815 </div>
816 <div class="description">
817 Initialize the drawing operation.
818
819
820 </div>
821
822
823
824
825 <dl class="detailList">
826 <dt class="heading">Parameters:</dt>
827
828 <dt>
829 <span class="light fixedFont">{Event}</span> <b>ev</b>
830
831 </dt>
832 <dd>The DOM Event object.</dd>
833
834 </dl>
835
836
837
838
839
840
841
842
843 <hr />
844
845 <a name="mousemove"> </a>
846 <div class="fixedFont">
847
848
849 <b>mousemove</b>(ev)
850
851 </div>
852 <div class="description">
853 Store the <kbd>Shift</kbd> key state which is used by the drawing function.
854
855
856 </div>
857
858
859
860
861 <dl class="detailList">
862 <dt class="heading">Parameters:</dt>
863
864 <dt>
865 <span class="light fixedFont">{Event}</span> <b>ev</b>
866
867 </dt>
868 <dd>The DOM Event object.</dd>
869
870 </dl>
871
872
873
874
875
876
877
878
879 <hr />
880
881 <a name="mouseup"> </a>
882 <div class="fixedFont">
883
884
885 <b>mouseup</b>(ev)
886
887 </div>
888 <div class="description">
889 End the drawing operation, once the user releases the mouse button.
890
891
892 </div>
893
894
895
896
897 <dl class="detailList">
898 <dt class="heading">Parameters:</dt>
899
900 <dt>
901 <span class="light fixedFont">{Event}</span> <b>ev</b>
902
903 </dt>
904 <dd>The DOM Event object.</dd>
905
906 </dl>
907
908
909
910
911
912
913
914
915
916
917
918
919 <!-- ============================== event details ========================= -->
920
921
922 <hr />
923 </div>
924
925
926 <!-- ============================== footer ================================= -->
927 <div class="fineprint" style="clear:both">
928
929 Documentation generated by <a href="http://code.google.com/p/jsdoc-toolkit/" target="_blank">JsDoc Toolkit</a> 2.3.0 on Mon Jul 27 2009 14:56:58 GMT+0300 (EEST)
930 </div>
931 </body>
932 </html>
Mihai Sucan's work on Moodle