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changeset 3886:9fa9a485c182

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mixins: calculator for pixels2millimeter vice versa
author Thomas Junk <thomas.junk@intevation.de>
date Wed, 10 Jul 2019 12:19:23 +0200
parents d42158f77841
children 83c4672369a2
files client/src/lib/mixins.js
diffstat 1 files changed, 6 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/client/src/lib/mixins.js	Wed Jul 10 12:08:12 2019 +0200
+++ b/client/src/lib/mixins.js	Wed Jul 10 12:19:23 2019 +0200
@@ -132,6 +132,12 @@
     ...mapState("user", ["user"])
   },
   methods: {
+    millimeter2pixels(length, dpi) {
+      return (dpi * length) / 25.4;
+    },
+    pixel2millimeter(pixels, dpi) {
+      return (pixels * 25.4) / dpi;
+    },
     gaugeInfo(selectedGauge) {
       // returns string with formatted gauge info
       return (