Created
May 6, 2011 07:51
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Cropper View
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<% content_for(:head) do %> | |
<%= stylesheet_link_tag "jquery.Jcrop" %> | |
<%= javascript_include_tag "jquery.Jcrop.min" %> | |
<script type="text/javascript" charset="utf-8"> | |
$(function() { | |
$('#cropbox').Jcrop({ | |
onChange: update_crop, | |
onSelect: update_crop, | |
setSelect: [0, 0, 500, 500], | |
aspectRatio: 1 | |
}); | |
}); | |
function update_crop(coords) { | |
var rx = 100/coords.w; | |
var ry = 100/coords.h; | |
$('#preview').css({ | |
width: Math.round(rx * <%= @user_profile.avatar_geometry(:large).width %>) + 'px', | |
height: Math.round(ry * <%= @user_profile.avatar_geometry(:large).height %>) + 'px', | |
marginLeft: '-' + Math.round(rx * coords.x) + 'px', | |
marginTop: '-' + Math.round(ry * coords.y) + 'px' | |
}); | |
var ratio = <%= @user_profile.avatar_geometry(:original).width %> / <%= @user_profile.avatar_geometry(:large).width %>; | |
$("#crop_x").val(Math.round(coords.x * ratio)); | |
$("#crop_y").val(Math.round(coords.y * ratio)); | |
$("#crop_w").val(Math.round(coords.w * ratio)); | |
$("#crop_h").val(Math.round(coords.h * ratio)); | |
} | |
</script> | |
<% end %> | |
<%= image_tag @user_profile.avatar.url(:large), :id => "cropbox" %> | |
<h4>Preview:</h4> | |
<div style="width:100px; height:100px; overflow:hidden"> | |
<%= image_tag @user_profile.avatar.url(:large), :id => "preview" %> | |
</div> | |
<% form_for @user_profile do |f| %> | |
<% for attribute in [:crop_x, :crop_y, :crop_w, :crop_h] %> | |
<%= f.hidden_field attribute, :id => attribute %> | |
<% end %> | |
<p><%= f.submit "Crop" %></p> | |
<% end %> |
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