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State width&height of label in cm

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Philipp Klaus 2017-02-06 15:11:45 +01:00
parent 7ed5c077d9
commit 7935fd0940
1 changed files with 9 additions and 3 deletions
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12
views/labeldesigner.jinja2
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@ -95,9 +95,10 @@
<fieldset class="form-group"> <fieldset class="form-group">
<label for="previewImg">Label Preview:</label><br /> <label for="previewImg">Label Preview:</label><br />
<img id="previewImg" style="border: 1px solid #444; max-height: 350px; width: auto; max-width: 100%; margin-bottom: 10px;"/> <img id="previewImg" style="border: 1px solid #444; max-height: 350px; width: auto; max-width: 100%; margin-bottom: 10px;"/>
<button id="printButton" type="button" class="btn btn-primary btn-block btn-lg" onClick="print()"> <p>Printed size w/o margins: <span id="labelWidth">?</span> cm x <span id="labelHeight">?</span> cm</p>
<span class="glyphicon glyphicon-print" aria-hidden="true"></span> Print <button id="printButton" type="button" class="btn btn-primary btn-block btn-lg" onClick="print()">
</button> <span class="glyphicon glyphicon-print" aria-hidden="true"></span> Print
</button>
</fieldset> </fieldset>
<div class="panel panel-default"> <div class="panel panel-default">
<div class="panel-heading"> <div class="panel-heading">
@ -136,6 +137,11 @@ function preview() {
data: formData(), data: formData(),
success: function( data ) { success: function( data ) {
$('#previewImg').attr('src', 'data:image/png;base64,' + data); $('#previewImg').attr('src', 'data:image/png;base64,' + data);
var img = $('#previewImg')[0];
img.onload = function() {
$('#labelWidth').html( (img.naturalWidth /300*2.54).toFixed(1));
$('#labelHeight').html((img.naturalHeight/300*2.54).toFixed(1));
};
} }
}); });
} }