From f9bd55872797a5018d25b96752bf3750924f6052 Mon Sep 17 00:00:00 2001
From: Damien De Paoli <ddp@depaoli.id.au>
Date: Sat, 28 Aug 2021 21:45:28 +1000
Subject: [PATCH] moved most of the js out to internal/js/view_support.js

---
 templates/viewer.html | 169 +-----------------------------------------
 1 file changed, 4 insertions(+), 165 deletions(-)

diff --git a/templates/viewer.html b/templates/viewer.html
index 57d8abb..68d771c 100644
--- a/templates/viewer.html
+++ b/templates/viewer.html
@@ -15,6 +15,7 @@
 </style>
 
 <script src="{{ url_for( 'internal', filename='js/view_transform.js')}}"></script>
+<script src="{{ url_for( 'internal', filename='js/view_support.js')}}"></script>
 
 <script>
     var gap=0.8
@@ -36,9 +37,9 @@
         {% endif %}
         e.faces=[]
         {% for face in objs[id].file_details.faces %}
-            data = { 
-                'x': '{{face.locn[3]}}', 'y': '{{face.locn[0]}}', 
-                'w': '{{face.locn[1]-face.locn[3]}}', 'h':'{{face.locn[2]-face.locn[0]}}' 
+            data = {
+                'x': '{{face.locn[3]}}', 'y': '{{face.locn[0]}}',
+                'w': '{{face.locn[1]-face.locn[3]}}', 'h':'{{face.locn[2]-face.locn[0]}}'
                 }
             {% if face.refimg %}
                 data['who']='{{face.refimg.person.tag}}'
@@ -49,142 +50,6 @@
         objs[{{id}}]=e
     {% endfor %}
 
-    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)
-    }
-
-    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)
-    }
-
-    // Define this once and before it will be called, hence at the top of this file
-    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' ) )
-        {
-            $('.figcaption').attr('style', 'display:show' )
-            // reset fname for new image (if navigated left/right to get here)
-            $('#fname').html(objs[current].name)
-        }
-        else
-            $('.figcaption').attr('style', 'display:none' )
-
-        // if we have faces, the enable the toggles, otherwise disable them
-        // and reset model select too
-        if( objs[current].faces.length )
-        {
-            $('#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') )
-        {
-            // 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();
-            }
-        }
-    }
-
-    function ResizeVideo()
-    {
-        $('#video').height(window.innerHeight*gap)
-    }
-
-    function FaceToggle()
-    {
-        $('#distance').prop('disabled', function(i, v) { return !v; });
-        DrawImg()
-    }
-
     function CallViewListRoute(dir)
     {
         s='<form id="_fmv" method="POST" action="/viewlist">'
@@ -207,32 +72,6 @@
         $('#_fmv').submit();
     }
 
-    function ViewImageOrVideo()
-    {
-        if( objs[current].type == 'Image' )
-        {
-            im.src='http://mara.ddp.net:5000/' + objs[current].url
-            $('#video').hide()
-            $('#figure').show()
-            if( fullscreen )
-            {
-                console.log('going fs on image')
-                $('#canvas').get(0).requestFullscreen()
-            }
-        }
-        if( objs[current].type == 'Video' )
-        {
-            $('#video').prop('src', 'http://mara.ddp.net:5000/' + objs[current].url )
-            $('#figure').hide()
-            $('#video').show()
-            if( fullscreen )
-            {
-                console.log('going fs on video')
-                $('#video').get(0).requestFullscreen()
-            }
-        }
-    }
-
 </script>
 
 <div id="viewer" class="container-fluid">