From 42c265b1fa3fa8eb9c3e19bf4f0d573c4f880e56 Mon Sep 17 00:00:00 2001
From: Javen O'Neal <onealj@apache.org>
Date: Thu, 24 Mar 2016 17:29:00 +0000
Subject: [PATCH] bug 59224: change hasTint, add hasAlpha and unit tests. Patch
 from gubespam@gmail.com

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1736469 13f79535-47bb-0310-9956-ffa450edef68
---
 .../org/apache/poi/xssf/usermodel/XSSFColor.java   | 14 ++++++++++++--
 .../apache/poi/xssf/usermodel/TestXSSFColor.java   |  8 ++++++++
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFColor.java b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFColor.java
index b2cb8747a1..ce142b78c8 100644
--- a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFColor.java
+++ b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFColor.java
@@ -90,15 +90,25 @@ public class XSSFColor extends ExtendedColor {
     }
     
     /**
-     * A boolean value indicating if the ctColor has a tint or not
+     * A boolean value indicating if the ctColor has a alpha or not
      */
-    public boolean hasTint() {
+    public boolean hasAlpha() {
         if (! ctColor.isSetRgb()) {
             return false;
         }
         return ctColor.getRgb().length == 4;
     }
 
+    /**
+     * A boolean value indicating if the ctColor has a tint or not
+     */
+    public boolean hasTint() {
+        if (!ctColor.isSetTint()) {
+            return false;
+        }
+        return ctColor.getTint() != 0;
+    }
+
     /**
      * Indexed ctColor value. Only used for backwards compatibility. References a ctColor in indexedColors.
      */
diff --git a/src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFColor.java b/src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFColor.java
index ef8b81dce6..38406c30a4 100644
--- a/src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFColor.java
+++ b/src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFColor.java
@@ -43,6 +43,8 @@ public final class TestXSSFColor {
       assertEquals(null, indexed.getRGB());
       assertEquals(null, indexed.getRGBWithTint());
       assertEquals(null, indexed.getARGBHex());
+      assertFalse(indexed.hasAlpha());
+      assertFalse(indexed.hasTint());
 
       // Now move to one with indexed rgb values
       indexed.setIndexed(59);
@@ -87,6 +89,8 @@ public final class TestXSSFColor {
       // Now check the XSSFColor
       assertEquals(0, rgb3.getIndexed());
       assertEquals(-0.34999, rgb3.getTint(), 0.00001);
+      assertFalse(rgb3.hasAlpha());
+      assertTrue(rgb3.hasTint());
 
       assertEquals("FFFFFFFF", rgb3.getARGBHex());
       assertEquals(3, rgb3.getRGB().length);
@@ -118,6 +122,7 @@ public final class TestXSSFColor {
 
       // Set another, is fine
       rgb3.setRGB(new byte[] {16,17,18});
+      assertFalse(rgb3.hasAlpha());
       assertEquals("FF101112", rgb3.getARGBHex());
       assertEquals(0x10, rgb3.getCTColor().getRgb()[0]);
       assertEquals(0x11, rgb3.getCTColor().getRgb()[1]);
@@ -140,6 +145,8 @@ public final class TestXSSFColor {
       // Now check the XSSFColor
       assertEquals(0, rgb4.getIndexed());
       assertEquals(0.0, rgb4.getTint(), 0);
+      assertFalse(rgb4.hasTint());
+      assertTrue(rgb4.hasAlpha());
 
       assertEquals("FFFF0000", rgb4.getARGBHex());
       assertEquals(3, rgb4.getRGB().length);
@@ -163,6 +170,7 @@ public final class TestXSSFColor {
       // Turn on tinting, and check it behaves
       // TODO These values are suspected to be wrong...
       rgb4.setTint(0.4);
+      assertTrue(rgb4.hasTint());
       assertEquals(0.4, rgb4.getTint(), 0);
 
       assertEquals(3, rgb4.getRGBWithTint().length);
-- 
2.39.5