ion-father")).then( function (canvas) { var imgData = canvas.toDataURL("image/jpeg", 1); $('.logo_part_sub').hide(); var pdf = new jsPDF(); var contentWidth = canvas.width; var contentHeight = canvas.height; var pageWidth = pdf.internal.pageSize.getWidth(); var pageHeight = pdf.internal.pageSize.getHeight(); var ratio = contentWidth / contentHeight >= pageWidth / pageHeight ? pageWidth / contentWidth : pageHeight / contentHeight; var adjustedWidth = contentWidth * ratio; var adjustedHeight = contentHeight * ratio; pdf.addImage(imgData, 'jpg', (pageWidth - adjustedWidth) / 2, 0, adjustedWidth, adjustedHeight); pdf.save('THD05D1001DT.pdf'); }) }