Merge branch 'jkrielaars-border-radius'

Author: niklasvh

src/Bounds.js

@@ -202,40 +202,32 @@ export const parseBoundCurves = (
     borders: Array<Border>,
     borderRadius: Array<BorderRadius>
 ): BoundCurves => {
-    const HALF_WIDTH = bounds.width / 2;
-    const HALF_HEIGHT = bounds.height / 2;
-    const tlh =
-        borderRadius[CORNER.TOP_LEFT][H].getAbsoluteValue(bounds.width) < HALF_WIDTH
-            ? borderRadius[CORNER.TOP_LEFT][H].getAbsoluteValue(bounds.width)
-            : HALF_WIDTH;
-    const tlv =
-        borderRadius[CORNER.TOP_LEFT][V].getAbsoluteValue(bounds.height) < HALF_HEIGHT
-            ? borderRadius[CORNER.TOP_LEFT][V].getAbsoluteValue(bounds.height)
-            : HALF_HEIGHT;
-    const trh =
-        borderRadius[CORNER.TOP_RIGHT][H].getAbsoluteValue(bounds.width) < HALF_WIDTH
-            ? borderRadius[CORNER.TOP_RIGHT][H].getAbsoluteValue(bounds.width)
-            : HALF_WIDTH;
-    const trv =
-        borderRadius[CORNER.TOP_RIGHT][V].getAbsoluteValue(bounds.height) < HALF_HEIGHT
-            ? borderRadius[CORNER.TOP_RIGHT][V].getAbsoluteValue(bounds.height)
-            : HALF_HEIGHT;
-    const brh =
-        borderRadius[CORNER.BOTTOM_RIGHT][H].getAbsoluteValue(bounds.width) < HALF_WIDTH
-            ? borderRadius[CORNER.BOTTOM_RIGHT][H].getAbsoluteValue(bounds.width)
-            : HALF_WIDTH;
-    const brv =
-        borderRadius[CORNER.BOTTOM_RIGHT][V].getAbsoluteValue(bounds.height) < HALF_HEIGHT
-            ? borderRadius[CORNER.BOTTOM_RIGHT][V].getAbsoluteValue(bounds.height)
-            : HALF_HEIGHT;
-    const blh =
-        borderRadius[CORNER.BOTTOM_LEFT][H].getAbsoluteValue(bounds.width) < HALF_WIDTH
-            ? borderRadius[CORNER.BOTTOM_LEFT][H].getAbsoluteValue(bounds.width)
-            : HALF_WIDTH;
-    const blv =
-        borderRadius[CORNER.BOTTOM_LEFT][V].getAbsoluteValue(bounds.height) < HALF_HEIGHT
-            ? borderRadius[CORNER.BOTTOM_LEFT][V].getAbsoluteValue(bounds.height)
-            : HALF_HEIGHT;
+    let tlh = borderRadius[CORNER.TOP_LEFT][H].getAbsoluteValue(bounds.width);
+    let tlv = borderRadius[CORNER.TOP_LEFT][V].getAbsoluteValue(bounds.height);
+    let trh = borderRadius[CORNER.TOP_RIGHT][H].getAbsoluteValue(bounds.width);
+    let trv = borderRadius[CORNER.TOP_RIGHT][V].getAbsoluteValue(bounds.height);
+    let brh = borderRadius[CORNER.BOTTOM_RIGHT][H].getAbsoluteValue(bounds.width);
+    let brv = borderRadius[CORNER.BOTTOM_RIGHT][V].getAbsoluteValue(bounds.height);
+    let blh = borderRadius[CORNER.BOTTOM_LEFT][H].getAbsoluteValue(bounds.width);
+    let blv = borderRadius[CORNER.BOTTOM_LEFT][V].getAbsoluteValue(bounds.height);
+
+    const factors = [];
+    factors.push((tlh + trh) / bounds.width);
+    factors.push((blh + brh) / bounds.width);
+    factors.push((tlv + blv) / bounds.height);
+    factors.push((trv + brv) / bounds.height);
+    const maxFactor = Math.max(...factors);
+
+    if (maxFactor > 1) {
+        tlh /= maxFactor;
+        tlv /= maxFactor;
+        trh /= maxFactor;
+        trv /= maxFactor;
+        brh /= maxFactor;
+        brv /= maxFactor;
+        blh /= maxFactor;
+        blv /= maxFactor;
+    }
 
     const topWidth = bounds.width - trh;
     const rightHeight = bounds.height - brv;

tests/reftests/border/radius.html

@@ -5,7 +5,7 @@
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
     <script type="text/javascript" src="../../test.js"></script>
     <style type="text/css">
-      div {
+      .box {
         width: 200px;
         height: 200px;
         display: inline-block;
@@ -63,18 +63,38 @@
         border-radius: 200px;
       }
 
+      .gauge{
+          display: inline-block;
+          width: 100px;
+          height: 50px;
+          background: green;
+          margin-bottom: 20px;
+      }
+
+       .gauge1{ border-radius: 25px 25px 0 0   / 25px 25px 0 0; }
+       .gauge2{ border-radius: 100px 100px 0 0 / 50px 50px 0 0; }
+       .gauge3{ border-radius: 100px 100px 0 0 / 100px 100px 0 0; }
+       .gauge4{ border-radius: 300px 100px 0 0  / 100px 100px 0 0; }
+       .gauge5{ border-radius: 400px 400px 50px 50px / 50px 50px 50px 50px; }
+
+
       html {
         background: #3a84c3;
       }
     </style>
   </head>
   <body>
 
-    <div class="box1">&nbsp;</div>
-    <div class="box2">&nbsp;</div>
-    <div class="box3">&nbsp;</div>
-    <div class="box4">&nbsp;</div>
-    <div class="box5">&nbsp;</div>
-    <div class="box6">&nbsp;</div>
+    <div class="box box1">&nbsp;</div>
+    <div class="box box2">&nbsp;</div>
+    <div class="box box3">&nbsp;</div>
+    <div class="box box4">&nbsp;</div>
+    <div class="box box5">&nbsp;</div>
+    <div class="box box6">&nbsp;</div>
+    <div class="gauge gauge1"></div>
+    <div class="gauge gauge2"></div>
+    <div class="gauge gauge3"></div>
+    <div class="gauge gauge4"></div>
+    <div class="gauge gauge5"></div>
   </body>
 </html>