Round off sizes for "string" pageSizes

Author: tarzzz

src/component/plotly-dash-preview/constants.js

@@ -6,12 +6,12 @@ module.exports = {
   maxRenderingTries: 100,
   pixelsInMicron: pixelsInInch / micronsInInch,
   sizeMapping: {
-    'A3': { 'width': 11.7 * pixelsInInch, 'height': 16.5 * pixelsInInch },
-    'A4': { 'width': 8.3 * pixelsInInch, 'height': 11.7 * pixelsInInch },
-    'A5': { 'width': 5.8 * pixelsInInch, 'height': 8.3 * pixelsInInch },
-    'Letter': { 'width': 8.5 * pixelsInInch, 'height': 11 * pixelsInInch },
-    'Legal': { 'width': 8.5 * pixelsInInch, 'height': 14 * pixelsInInch },
-    'Tabloid': { 'width': 11 * pixelsInInch, 'height': 17 * pixelsInInch }
+    'A3': { 'width': Math.ceil(11.7 * pixelsInInch), 'height': Math.ceil(16.5 * pixelsInInch) },
+    'A4': { 'width': Math.ceil(8.3 * pixelsInInch), 'height': Math.ceil(11.7 * pixelsInInch) },
+    'A5': { 'width': Math.ceil(5.8 * pixelsInInch), 'height': Math.ceil(8.3 * pixelsInInch) },
+    'Letter': { 'width': Math.ceil(8.5 * pixelsInInch), 'height': Math.ceil(11 * pixelsInInch) },
+    'Legal': { 'width': Math.ceil(8.5 * pixelsInInch), 'height': Math.ceil(14 * pixelsInInch) },
+    'Tabloid': { 'width': Math.ceil(11 * pixelsInInch), 'height': Math.ceil(17 * pixelsInInch) }
   },
   statusMsg: {
     525: 'dash preview generation failed',