268 lines
9.5 KiB
JavaScript
268 lines
9.5 KiB
JavaScript
// work out new width for canvas. depending on whether width > height of the
|
|
// image, then use the width of the image (with the specified gap) otherwise
|
|
// the height > width, so scale the new width based on height ratio of
|
|
// image to window
|
|
function NewWidth()
|
|
{
|
|
w_r=im.width/(window.innerWidth*gap)
|
|
h_r=im.height/(window.innerHeight*gap)
|
|
if( w_r > h_r )
|
|
return window.innerWidth*gap
|
|
else
|
|
return im.width*gap / (im.height/window.innerHeight)
|
|
}
|
|
|
|
// work out new height for canvas. depending on whether height > width of the
|
|
// image, then use the height of the image (with the specified gap) otherwise
|
|
// the width > height, so scale the new height based on width ratio of
|
|
// image to window
|
|
function NewHeight()
|
|
{
|
|
w_r=im.width/(window.innerWidth*gap)
|
|
h_r=im.height/(window.innerHeight*gap)
|
|
if( h_r > w_r )
|
|
return window.innerHeight*gap
|
|
else
|
|
return im.height*gap / (im.width/window.innerWidth)
|
|
}
|
|
|
|
// This draws the image, it can be called on resize events, img.src finishing
|
|
// loading or explicitly on page load. Will also deal with all state/toggles
|
|
// for items like name, grayscale, etc.
|
|
function DrawImg()
|
|
{
|
|
// another call to this func will occur on load, so skip this one
|
|
if( im.width == 0 )
|
|
return
|
|
|
|
canvas.width=NewWidth(im)
|
|
canvas.height=NewHeight(im)
|
|
|
|
// actually draw the pixel images to the canvas at the right size
|
|
if( grayscale )
|
|
context.filter='grayscale(1)'
|
|
context.drawImage(im, 0, 0, canvas.width, canvas.height )
|
|
// -50 is a straight up hack, no idea why this works, but its good enough for me
|
|
if( throbber )
|
|
$('#throbber').attr('style', 'display:show; position:absolute; left:'+canvas.width/2+'px; top:'+(canvas.height/2-50)+'px' )
|
|
else
|
|
$('#throbber').hide();
|
|
|
|
// show (or not) the whole figcaption with fname in it - based on state of fname_toggle
|
|
if( $('#fname_toggle').prop('checked' ) )
|
|
{
|
|
// reset fname for new image (if navigated left/right to get here)
|
|
$('#fname').html(PrettyFname(objs[current].url))
|
|
$('.figcaption').show()
|
|
}
|
|
else
|
|
$('.figcaption').hide()
|
|
|
|
// if we have faces, the enable the toggles, otherwise disable them
|
|
// and reset model select too
|
|
if( objs[current].faces )
|
|
{
|
|
$('#faces').attr('disabled', false)
|
|
$('#distance').attr('disabled', false)
|
|
$('#model').val( Number(objs[current].face_model) )
|
|
}
|
|
else
|
|
{
|
|
$('#faces').attr('disabled', true)
|
|
$('#distance').attr('disabled', true)
|
|
// if no faces, then model is N/A (always 1st element - or 0 in select)
|
|
$('#model').val(0)
|
|
}
|
|
|
|
// okay, we want faces drawn so lets do it
|
|
if( $('#faces').prop('checked') && objs[current].faces )
|
|
{
|
|
// draw rect on each face
|
|
for( i=0; i<objs[current].faces.length; i++ )
|
|
{
|
|
x = objs[current].faces[i].x / ( im.width/canvas.width )
|
|
y = objs[current].faces[i].y / ( im.height/canvas.height )
|
|
w = objs[current].faces[i].w / ( im.width/canvas.width )
|
|
h = objs[current].faces[i].h / ( im.height/canvas.height )
|
|
context.beginPath()
|
|
context.rect( x, y, w, h )
|
|
context.lineWidth = 2
|
|
context.strokeStyle = 'green'
|
|
if( objs[current].faces[i].who )
|
|
{
|
|
// finish face box, need to clear out new settings for
|
|
// transparent backed-name tag
|
|
context.stroke();
|
|
context.beginPath()
|
|
context.lineWidth = 0.1
|
|
context.font = "30px Arial"
|
|
context.globalAlpha = 0.6
|
|
str=objs[current].faces[i].who
|
|
if( $('#distance').prop('checked') )
|
|
str += "("+objs[current].faces[i].distance+")"
|
|
|
|
bbox = context.measureText(str);
|
|
f_h=bbox.fontBoundingBoxAscent
|
|
if( bbox.fontBoundingBoxDescent )
|
|
f_h += bbox.fontBoundingBoxDescent
|
|
f_h -= 8
|
|
context.rect( x+w/2-bbox.width/2, y-f_h, bbox.width, f_h )
|
|
context.fillStyle="white"
|
|
context.fill()
|
|
context.stroke();
|
|
context.beginPath()
|
|
context.globalAlpha = 1.0
|
|
context.font = "30px Arial"
|
|
context.textAlign = "center"
|
|
context.fillStyle = "green"
|
|
context.fillText(str, x+w/2, y-2)
|
|
}
|
|
/* can use to show lower left coords of a face for debugging
|
|
else
|
|
{
|
|
context.font = "14px Arial"
|
|
context.textAlign = "center"
|
|
context.fillStyle = "black"
|
|
context.fillText( 'x=' + objs[current].faces[i].x + ', y=' + objs[current].faces[i].y, x+w/2, y-2)
|
|
context.fillText( 'x=' + objs[current].faces[i].x + ', y=' + objs[current].faces[i].y, x+w/2, y-2)
|
|
}
|
|
*/
|
|
context.stroke();
|
|
}
|
|
}
|
|
}
|
|
|
|
// resize a video based when event calls this -- TODO: is this right for ratios
|
|
// where vid is different w/h ratio?
|
|
function ResizeVideo()
|
|
{
|
|
$('#video').height(window.innerHeight*gap)
|
|
}
|
|
|
|
// change faces being shown or not (if not showing faces, then cant set distance on anyway)
|
|
// and a face or not, needs to redraw the image to add/remove green box, etc.
|
|
function FaceToggle()
|
|
{
|
|
$('#distance').prop('disabled', function(i, v) { return !v; });
|
|
DrawImg()
|
|
}
|
|
|
|
// func to set show/hide the image or video div, and set the URL appropriately
|
|
// also deals with fullsecreen if needed
|
|
function ViewImageOrVideo()
|
|
{
|
|
if( objs[current].type == 'Image' )
|
|
{
|
|
im.src='../' + objs[current].url
|
|
$('#video_div').hide()
|
|
if( $('#fname_toggle').prop('checked' ) )
|
|
$('#img-cap').show()
|
|
$('#fname_i').html(PrettyFname(objs[current].url))
|
|
$('#figure').show()
|
|
if( fullscreen )
|
|
$('#canvas').get(0).requestFullscreen()
|
|
else
|
|
if( document.fullscreen )
|
|
document.exitFullscreen()
|
|
}
|
|
if( objs[current].type == 'Video' )
|
|
{
|
|
$('#figure').hide()
|
|
$('#video').prop('src', '../' + objs[current].url )
|
|
$('#fname_v').html(PrettyFname(objs[current].url))
|
|
if( $('#fname_toggle').prop('checked' ) )
|
|
$('#img-cap').hide()
|
|
ResizeVideo()
|
|
$('#video_div').show()
|
|
if( fullscreen )
|
|
$('#video').get(0).requestFullscreen()
|
|
else
|
|
if( document.fullscreen )
|
|
document.exitFullscreen()
|
|
}
|
|
}
|
|
|
|
|
|
$(document).ready( function()
|
|
{
|
|
|
|
var cw=$('#canvas').width;
|
|
var ch=$('#canvas').height;
|
|
function reOffset(){
|
|
var BB=$('#canvas').get(0).getBoundingClientRect();
|
|
offsetX=BB.left;
|
|
offsetY=BB.top;
|
|
}
|
|
var offsetX,offsetY;
|
|
reOffset();
|
|
window.onscroll=function(e){ reOffset(); }
|
|
window.onresize=function(e){ reOffset(); }
|
|
|
|
$.contextMenu({
|
|
selector: '#canvas',
|
|
build: function($triggerElement, e) {
|
|
|
|
// get mouse position relative to the canvas
|
|
var x=parseInt(e.clientX-offsetX);
|
|
var y=parseInt(e.clientY-offsetY);
|
|
|
|
item_list = { not_a_face: { name: "Not a face" } }
|
|
|
|
for( i=0; i<objs[current].faces.length; i++ )
|
|
{
|
|
fx = objs[current].faces[i].x / ( im.width/canvas.width )
|
|
fy = objs[current].faces[i].y / ( im.height/canvas.height )
|
|
fw = objs[current].faces[i].w / ( im.width/canvas.width )
|
|
fh = objs[current].faces[i].h / ( im.height/canvas.height )
|
|
console.log( 'i=' + i + ', w=' + objs[current].faces[i].w + ', h=' + objs[current].faces[i].h )
|
|
|
|
if( x >= fx && x <= fx+fw && y >= fy && y <= fy+fh )
|
|
{
|
|
if( objs[current].faces[i].who )
|
|
item_list['match']={ 'name': objs[current].faces[i].who, 'which_face': i }
|
|
else
|
|
{
|
|
item_list['no_match_new_person']={ 'name': 'Add as reference image to NEW person', 'which_face': i }
|
|
item_list['no_match_new_refimg']={ 'name': 'Add as reference image to EXISTING person', 'which_face': i }
|
|
item_list['no_match_override_match']={ 'name': 'Manually match to existing person', 'which_face': i }
|
|
item_list['no_match_no_face']={ 'name': 'Mark as not a face', 'which_face': i }
|
|
item_list['no_match_too_young']={ 'name': 'Mark as face too young', 'which_face': i }
|
|
item_list['no_match_ignore']={ 'name': 'Ignore this face', 'which_face': i }
|
|
}
|
|
delete item_list['not_a_face']
|
|
$('#canvas').prop('menu_item', item_list )
|
|
break
|
|
}
|
|
}
|
|
return {
|
|
callback: function( key, options) {
|
|
if( key == "no_match" ) { item=$('#canvas').prop( 'menu_item' ); console.log(item['no_match']['which_face']) }
|
|
if( key == "match" ) { item=$('#canvas').prop( 'menu_item' ); console.log(item['match']['which_face']) }
|
|
},
|
|
items: item_list
|
|
};
|
|
}
|
|
})
|
|
|
|
|
|
function showContextMenu(i,x,y)
|
|
{
|
|
console.log( 'ShowContextMenu called. i='+i+', x='+x+', y='+y )
|
|
if( objs[current].faces[i].who )
|
|
console.log( 'face is: ' + objs[current].faces[i].who )
|
|
else
|
|
console.log( 'face is not known!' )
|
|
/*
|
|
$menu.show();
|
|
var m=r.contextMenu;
|
|
$menu.empty();
|
|
$menu.css({left:x,top:y});
|
|
for(var i=0;i<m.length;i++){
|
|
$('<li>', { text:m[i], 'data-fn':i, }).appendTo($menu[0]);
|
|
}
|
|
*/
|
|
}
|
|
|
|
|
|
} );
|