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Révision 235b072f

ID235b072fbfdbbcf324ac02056020dd0e7b8fb786
Parent cb1eaa6a
Enfant 651f2478

Ajouté par Jocelyn Dealande il y a environ 10 ans

Marc patch to handle touch events

Fichiers

  • ajouté
  • modifié
  • copié
  • renommé
  • supprimé

Voir les différences

Révisions

js/pano.js
22 22 
var border_width = 2;
23 23 
var imageObj = new Array();
24 24 

  		




  
  25
  
    

  		




  
  26
  
    
var fingr = 0;  // mémorisation de lécart entre doigts;


  		




  25
  27
  
    
var last  = {x:0,y:0};


  		




  26
  28
  
    
var shift = {x:0,y:0};


  		




  27
  29
  
    
var mouse = {x:0,y:0};


  		




  ......




  342
  344
  
    

  		




  343
  345
  
    
function onImageClick(e) {


  		




  344
  346
  
    
    hide_contextmenu();


  		




  345
  
  
    
    shift.x = last.x;


  		




  346
  
  
    
    shift.y = last.y;


  		




  347
  
  
    
    speed.x = 0;


  		




  348
  
  
    
    speed.y = 0;


  		




  349
  
  
    
    mouse.x = e.pageX;


  		




  350
  
  
    
    mouse.y = e.pageY;


  		




  
  347
  
    
    var index = {};


  		




  
  348
  
    
    if (e.touches && e.touches.length == 2) {


  		




  
  349
  
    
	e.preventDefault();


  		




  
  350
  
    
	fingr = Math.sqrt((e.touches[0].clientX - e.touches[1].clientX)^2 +


  		




  
  351
  
    
			  (e.touches[0].clientY - e.touches[1].clientY)^2);


  		




  
  352
  
    
    } else {


  		




  
  353
  
    
	if (e.touches) {


  		




  
  354
  
    
	    e.preventDefault();


  		




  
  355
  
    
	    index.x = e.changedTouches[0].clientX;


  		




  
  356
  
    
	    index.y = e.changedTouches[0].clientY;


  		




  
  357
  
    
	} else {


  		




  
  358
  
    
	    index.x = e.pageX;


  		




  
  359
  
    
	    index.y = e.pageY;


  		




  
  360
  
    
	}


  		




  
  361
  
    

  		




  
  362
  
    
	shift.x = last.x;


  		




  
  363
  
    
	shift.y = last.y;


  		




  
  364
  
    
	speed.x = 0;


  		




  
  365
  
    
	speed.y = 0;


  		




  
  366
  
    
	mouse.x = index.x;


  		




  
  367
  
    
	mouse.y = index.y;


  		




  
  368
  
    
    }


  		




  351
  369
  
    
    clearTimeout(tmt);  //arrêt de l'éffet eventuel d'amorti en cours.


  		




  352
  370
  
    
    canvas.addEventListener('mousemove', stickImage, false);


  		




  
  371
  
    
    canvas.addEventListener('touchmove', stickImage, false);


  		




  353
  372
  
    
    canvas.addEventListener('mouseup', launchImage, false);


  		




  
  373
  
    
    canvas.addEventListener('touchend', launchImage, false);


  		




  354
  374
  
    
    //canvas.addEventListener('mouseout', launchImage, false);


  		




  355
  375
  
    
    canvas.style.cursor='move';


  		




  356
  376
  
    
    //document.onmousemove = stickImage;


  		




  357
  
  
    
    document.onmouseup = launchImage;


  		




  
  377
  
    
    //document.onmouseup = launchImage;


  		




  358
  378
  
    
    hide_links();


  		




  359
  379
  
    
}


  		




  360
  380
  
    

  		




  361
  381
  
    

  		




  362
  382
  
    
function stickImage(e) {


  		




  363
  
  
    
    var xs = mouse.x - e.pageX + shift.x;


  		




  364
  
  
    
    var ys = mouse.y - e.pageY + shift.y;


  		




  
  383
  
    
    var index = {};


  		




  
  384
  
    
    if (e.changedTouches && e.changedTouches.length == 2) {


  		




  
  385
  
    
	e.preventDefault();


  		




  
  386
  
    
	// cas du zoom à 2 doigts


  		




  
  387
  
    
	var nfingr = Math.sqrt((e.changedTouches[0].clientX - e.changedTouches[1].clientX)^2 +


  		




  
  388
  
    
			       (e.changedTouches[0].clientY - e.changedTouches[1].clientY)^2);


  		




  
  389
  
    
	var evt = {}


  		




  
  390
  
    
	evt.pageX = (e.changedTouches[0].clientX + e.changedTouches[1].clientX)/2;


  		




  
  391
  
    
	evt.pageY = (e.changedTouches[0].clientY + e.changedTouches[1].clientY)/2;


  		




  
  392
  
    
	if (fingr > nfingr*2 || fingr < nfingr/2) {


  		




  
  393
  
    
	    evt.wheelDelta = fingr - nfingr;


  		




  
  394
  
    
	    fingr = nfingr;


  		




  
  395
  
    
	    return wheel_zoom(evt);


  		




  
  396
  
    
	} else {


  		




  
  397
  
    
	    return;


  		




  
  398
  
    
	}


  		




  
  399
  
    
    }


  		




  
  400
  
    
    if (e.touches) {


  		




  
  401
  
    
	e.preventDefault();


  		




  
  402
  
    
	index.x = e.changedTouches[0].clientX;


  		




  
  403
  
    
	index.y = e.changedTouches[0].clientY;


  		




  
  404
  
    
    } else {


  		




  
  405
  
    
	index.x = e.pageX;


  		




  
  406
  
    
	index.y = e.pageY;


  		




  
  407
  
    
    }


  		




  
  408
  
    

  		




  
  409
  
    
    var xs = mouse.x - index.x + shift.x;


  		




  
  410
  
    
    var ys = mouse.y - index.y + shift.y;


  		




  365
  411
  
    
    speed.x = xs - last.x;  //mémorisation des vitesses horizontales


  		




  366
  412
  
    
    speed.y = ys - last.y;  //et verticales lors de ce déplacement


  		




  367
  413
  
    
    putImage(xs, ys);


  		




  368
  414
  
    
}


  		




  369
  415
  
    

  		




  370
  416
  
    
function launchImage(e) {


  		




  
  417
  
    
    var index = {};


  		




  
  418
  
    
    if (e.touches) {


  		




  
  419
  
    
	e.preventDefault();


  		




  
  420
  
    
	index.x = e.changedTouches[0].clientX;


  		




  
  421
  
    
	index.y = e.changedTouches[0].clientY;


  		




  
  422
  
    
    } else {


  		




  
  423
  
    
	index.x = e.pageX;


  		




  
  424
  
    
	index.y = e.pageY;


  		




  
  425
  
    
    }


  		




  371
  426
  
    
    distort_canvas(0);


  		




  372
  427
  
    
    canvas.removeEventListener('mousemove', stickImage, false);


  		




  
  428
  
    
    canvas.removeEventListener('touchmove', stickImage, false);


  		




  373
  429
  
    
    //document.onmousemove = null;


  		




  374
  
  
    
    shift.x = e.pageX - mouse.x + shift.x;


  		




  375
  
  
    
    shift.y = e.pageY - mouse.y + shift.y;


  		




  
  430
  
    
    shift.x = index.x - mouse.x + shift.x;


  		




  
  431
  
    
    shift.y = index.y - mouse.y + shift.y;


  		




  376
  432
  
    
    tmt = setTimeout(inertialImage, 100);


  		




  377
  433
  
    
}


  		




  378
  434
  
    

  		




  ......




  620
  676
  
    
	zshift.x = event.pageX-canvas.width/2-canvas_pos.x;


  		




  621
  677
  
    
	zshift.y = event.pageY-canvas.height/2-canvas_pos.y;


  		




  622
  678
  
    
    }


  		




  623
  
  
    
    event.preventDefault();


  		




  
  679
  
    
    //event.preventDefault();


  		




  624
  680
  
    
    if (event.wheelDelta < 0 && zoom_control.value < zoom_control.max) {


  		




  625
  681
  
    
	zoom_control.value++;


  		




  626
  682
  
    
	change_zoom(zshift.x, zshift.y);


  		




  ......




  691
  747
  
    
}


  		




  692
  748
  
    

  		




  693
  749
  
    
function display_links(e) {


  		




  
  750
  
    
    var index = {};


  		




  
  751
  
    
    if (e.touches) {


  		




  
  752
  
    
	e.preventDefault();


  		




  
  753
  
    
	index.x = e.changedTouches[0].clientX;


  		




  
  754
  
    
	index.y = e.changedTouches[0].clientY;


  		




  
  755
  
    
    } else {


  		




  
  756
  
    
	index.x = e.pageX;


  		




  
  757
  
    
	index.y = e.pageY;


  		




  
  758
  
    
    }


  		




  694
  759
  
    
    var info = document.getElementById('info');


  		




  695
  
  
    
    var mouse_x = e.pageX-canvas_pos.x;


  		




  696
  
  
    
    var mouse_y = e.pageY-canvas_pos.y;


  		




  
  760
  
    
    var mouse_x = index.x-canvas_pos.x;


  		




  
  761
  
    
    var mouse_y = index.y-canvas_pos.y;


  		




  697
  762
  
    
    var pos_x = nmodulo(last.x + mouse_x - canvas.width/2, zm.im.width);


  		




  698
  763
  
    
    var pos_y = last.y + mouse_y - canvas.height/2;


  		




  699
  764
  
    
    //var cap = ((pos_x/zm.im.width)*360).toFixed(2);


  		




  700
  765
  
    
    var res = zm.get_cap_ele(pos_x, zm.im.height/2 - pos_y);


  		




  701
  766
  
    
    //var ele = ((zm.im.height/2 - pos_y)/zm.im.width)*360;


  		




  702
  767
  
    
    info.innerHTML = 'élévation : '+res.ele.toFixed(2)+'<br/>cap : '+res.cap.toFixed(2);


  		




  703
  
  
    
    info.style.top = e.pageY+'px';


  		




  704
  
  
    
    info.style.left = e.pageX+'px';


  		




  
  768
  
    
    info.style.top = index.y+'px';


  		




  
  769
  
    
    info.style.left = index.x+'px';


  		




  705
  770
  
    
    info.style.backgroundColor = '#FFC';


  		




  706
  771
  
    
    info.style.display = 'block';


  		




  707
  772
  
    
    canvas.style.cursor='crosshair';


  		




  ......




  722
  787
  
    

  		




  723
  788
  
    
function hide_links() {


  		




  724
  789
  
    
    canvas.removeEventListener( "mousemove", display_links, false);


  		




  
  790
  
    
    canvas.removeEventListener( "touchmove", display_links, false);


  		




  725
  791
  
    
    var info = document.getElementById('info');


  		




  726
  792
  
    
    info.style.display = 'none';


  		




  727
  793
  
    
}


  		




  728
  794
  
    

  		




  729
  795
  
    
function show_links() {


  		




  730
  796
  
    
    canvas.addEventListener( "mousemove", display_links, false);


  		




  
  797
  
    
    canvas.addEventListener( "touchmove", display_links, false);


  		




  731
  798
  
    
//    var info = document.getElementById('info');


  		




  732
  799
  
    
//    info.style.display = 'block';


  		




  733
  800
  
    
}


  		




  ......




  833
  900
  
    

  		




  834
  901
  
    
function clean_canvas_events(e) {


  		




  835
  902
  
    
    canvas.removeEventListener('mousemove', stickImage, false);


  		




  
  903
  
    
    canvas.removeEventListener('touchmove', stickImage, false);


  		




  836
  904
  
    
    document.getElementById('info').style.display = 'none';


  		




  837
  905
  
    
    speed.x = 0;


  		




  838
  906
  
    
    speed.y = 0;


  		




  ......




  928
  996
  
    
	localisation.addEventListener('mouseout',paramOut,false);


  		




  929
  997
  
    
    }


  		




  930
  998
  
    
    canvas.addEventListener('mousedown', onImageClick, false);


  		




  
  999
  
    
    canvas.addEventListener('touchstart', onImageClick, false);


  		




  931
  1000
  
    
    document.addEventListener('keydown', keys, false);


  		




  932
  1001
  
    
    canvas.addEventListener('mousewheel', wheel_zoom, false);


  		




  933
  1002
  
    
    window.onresize = canvas_resize;