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carlosrovira pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/royale-asjs.git


The following commit(s) were added to refs/heads/develop by this push:
     new 1b98eee  core: add transformValueFromRange function
1b98eee is described below

commit 1b98eeeb5559af05d33c92a59187dc48dc98aa97
Author: Carlos Rovira <carlosrov...@apache.org>
AuthorDate: Sun Mar 15 22:50:03 2020 +0100

    core: add transformValueFromRange function
---
 .../projects/Core/src/main/royale/CoreClasses.as   |  1 +
 .../apache/royale/utils/transformValueFromRange.as | 42 ++++++++++++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/frameworks/projects/Core/src/main/royale/CoreClasses.as 
b/frameworks/projects/Core/src/main/royale/CoreClasses.as
index 6d5d44c..caf1467 100644
--- a/frameworks/projects/Core/src/main/royale/CoreClasses.as
+++ b/frameworks/projects/Core/src/main/royale/CoreClasses.as
@@ -311,6 +311,7 @@ internal class CoreClasses
        import org.apache.royale.utils.HSV; HSV;
        import org.apache.royale.utils.rgbToHsv; rgbToHsv;
        import org.apache.royale.utils.hsvToHex; hsvToHex;
+       import org.apache.royale.utils.transformValueFromRange; 
transformValueFromRange;
 
        import org.apache.royale.utils.array.rangeCheck; rangeCheck;
 
diff --git 
a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/transformValueFromRange.as
 
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/transformValueFromRange.as
new file mode 100644
index 0000000..90c9c2c
--- /dev/null
+++ 
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/transformValueFromRange.as
@@ -0,0 +1,42 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  Licensed to the Apache Software Foundation (ASF) under one or more
+//  contributor license agreements.  See the NOTICE file distributed with
+//  this work for additional information regarding copyright ownership.
+//  The ASF licenses this file to You under the Apache License, Version 2.0
+//  (the "License"); you may not use this file except in compliance with
+//  the License.  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////////
+package org.apache.royale.utils
+{
+       /**
+        *  convert a given a value number from a range, convert to other range 
and return the new value
+        *  between the new range.
+        *  
+        *  @langversion 3.0
+        *  @playerversion Flash 10.2
+        *  @playerversion AIR 2.6
+        *  @productversion Royale 0.9.7
+        */
+    public function transformValueFromRange(oldValue:Number, oldMin:Number, 
oldMax:Number, newMin:Number, newMax:Number):Number
+       {
+               var newValue:Number;
+               var oldRange:Number = oldMax - oldMin;
+               if (oldRange == 0) {
+                       newValue = newMin;
+               } else {
+                       var NewRange:Number = newMax - newMin;
+                       newValue = (((oldValue - oldMin) * NewRange) / 
oldRange) + newMin
+               }
+               return newValue
+       }
+}

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