59 lines
2.0 KiB
JavaScript
59 lines
2.0 KiB
JavaScript
$(function()
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{
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initBurnChar();
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$('#interval').change(function()
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{
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location.href = createLink('project', 'burn', 'projectID=' + projectID + '&type=' + type + '&interval=' + $(this).val());
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});
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})
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/* Save burn as image.*/
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function downloadBurn()
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{
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var $canvas = $('#burnCanvas');
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$('#burnWrapper').append("<div class='hidden' id='cloneCanvas'></div>");
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$('#cloneCanvas').append($canvas.clone());
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$('#cloneCanvas').append("<img id='cloneImage' />");
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$('#cloneCanvas #cloneImage').attr('src', $canvas.get(0).toDataURL("image/png"));
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setTimeout(function()
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{
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/* Add watermark */
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var canvas = document.querySelector('#cloneCanvas #burnCanvas');
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var cans = canvas.getContext('2d');
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canvas.height = canvas.height + 25;
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canvas.width = canvas.width + 50;
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// Set background color to white
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cans.fillStyle = '#fff';
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cans.fillRect(0, 0, canvas.width, canvas.height);
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cans.drawImage($('#cloneCanvas #cloneImage').get(0), 0, 25);
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cans.font = "16px Microsoft JhengHei";
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cans.fillStyle = "rgba(17, 17, 17, 0.50)";
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cans.textAlign = 'left';
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cans.textBaseline = 'Middle';
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cans.fillText(watermark, 50, canvas.height - 50);
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cans.fillText(burnYUnit, 0, 20);
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cans.fillText(burnXUnit, canvas.width - 50, canvas.height - 15);
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var type = 'png';
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var $canvas = $('#cloneCanvas #burnCanvas');
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var imgSrc = $canvas.get(0).toDataURL("image/png");
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var imgData = imgSrc.replace(type,'image/octet-stream');
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var filename = projectName + '.' + type;
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saveFile(imgData,filename);
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$('#burnWrapper #cloneCanvas').remove();
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}, 500);
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}
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var saveFile = function(data, filename)
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{
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var saveLink = document.createElement('a');
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saveLink.href = data;
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saveLink.download = filename;
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var event = document.createEvent('MouseEvents');
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event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
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saveLink.dispatchEvent(event);
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};
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