From 169bd3165d5d8e6dbcd2135acabc4754fb0d755c Mon Sep 17 00:00:00 2001
From: Glenn Fischer <gfischer@ub.uni-leipzig.de>
Date: Thu, 21 Feb 2019 17:23:19 +0100
Subject: [PATCH] #1888 move implementation of <ValidationCanvas> into
<ManifestoCanvas>
---
src/lib/ManifestoCanvas.js | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/src/lib/ManifestoCanvas.js b/src/lib/ManifestoCanvas.js
index 885e080df..756d286a4 100644
--- a/src/lib/ManifestoCanvas.js
+++ b/src/lib/ManifestoCanvas.js
@@ -39,6 +39,36 @@ export default class ManifestoCanvas {
}/info.json`;
}
+ /**
+ * checks whether the canvas has a valid height
+ */
+ get hasValidHeight() {
+ return (
+ typeof this.canvas.getHeight() === 'number'
+ && this.canvas.getHeight() > 0
+ );
+ }
+
+ /**
+ * checks whether the canvas has a valid height
+ */
+ get hasValidWidth() {
+ return (
+ typeof this.canvas.getHeight() === 'number'
+ && this.canvas.getHeight() > 0
+ );
+ }
+
+ /**
+ * checks whether the canvas has valid dimensions
+ */
+ get hasValidDimensions() {
+ return (
+ this.hasValidHeight
+ && this.hasValidWidth
+ );
+ }
+
/**
* Creates a canonical image request for a thumb
* @param {Number} height
--
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