Mercurial > hg > orthanc-stone

comparison Applications/StoneWebViewer/WebApplication/pdf-viewer.js @ 2173:4596ad1b2aa4 dicom-sr

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integration mainline->dicom-sr
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 22 Oct 2024 15:56:08 +0200
parents 952674a812c2
children
comparison
equal deleted inserted replaced
2161:e65fe2e50fde 2173:4596ad1b2aa4
90 this.container.addEventListener('wheel', function(event) { 90 this.container.addEventListener('wheel', function(event) {
91 that.MouseWheel(event); 91 that.MouseWheel(event);
92 }); 92 });
93 }, 93 },
94 methods: { 94 methods: {
95 Download: function() {
96 if (this.pdfDoc !== null) {
97 const blob = new Blob([this.pdf], { type: 'application/pdf'});
98 const blobUrl = URL.createObjectURL(blob);
99
100 const a = document.createElement('a');
101 a.href = blobUrl;
102 a.download = "report.pdf";
103
104 document.body.appendChild(a);
105 a.click();
106 document.body.removeChild(a);
107
108 // Revoke the object URL to free up memory
109 URL.revokeObjectURL(blobUrl);
110 }
111 },
112 Print: function() {
113 if (this.pdfDoc !== null) {
114 if (0) { // works on Chrome but with a popup that is blocked by default !
115 const blob = new Blob([this.pdf], { type: 'application/pdf'});
116 const blobUrl = URL.createObjectURL(blob);
117
118 let w = window.open(blobUrl, '_blank');
119 w.print();
120 } else {
121 // Let's open a new window with the pdf
122 // First we need to convert the pdf from a byte array to a binary string and then to b64
123 let binaryStringPdf = '';
124 for (let i = 0; i < this.pdf.length; i++) {
125 binaryStringPdf += String.fromCharCode(this.pdf[i]);
126 }
127
128 const htmlContent = '<html><body style="margin: 0;"><embed width="100%" height="100%" src="data:application/pdf;base64,' + btoa(binaryStringPdf) + '" type="application/pdf" /></body></html>';
129
130 let w = window.open('', '_blank');
131 w.document.write(htmlContent);
132 }
133 }
134 },
95 NextPage: function() { 135 NextPage: function() {
96 if (this.pdfDoc !== null && 136 if (this.pdfDoc !== null &&
97 this.currentPage < this.pdfDoc.numPages) { 137 this.currentPage < this.pdfDoc.numPages) {
98 this.QueueRenderPage(this.currentPage + 1); 138 this.QueueRenderPage(this.currentPage + 1);
99 } 139 }