[bug-62733] XSLFBackground setFill() can corrupt the document

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1841240 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 172 insertions, 1 deletions

diff --git a/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFBackground.java b/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFBackground.java
index 32a31d6ac0..dbc623b141 100644
--- a/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFBackground.java
+++ b/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFBackground.java
@@ -77,7 +77,20 @@ public class XSLFBackground extends XSLFSimpleShape
     
     public void setFillColor(Color color) {
         CTBackgroundProperties bgPr = getBgPr(true);
-        
+
+        if (bgPr.isSetBlipFill()) {
+            bgPr.unsetBlipFill();
+        }
+        if (bgPr.isSetGradFill()) {
+            bgPr.unsetGradFill();
+        }
+        if (bgPr.isSetGrpFill()) {
+            bgPr.unsetGrpFill();
+        }
+        if (bgPr.isSetPattFill()) {
+            bgPr.unsetPattFill();
+        }
+
         if (color == null) {
             if (bgPr.isSetSolidFill()) {
                 bgPr.unsetSolidFill();
diff --git a/src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestXSLFBackground.java b/src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestXSLFBackground.java
new file mode 100644
index 0000000000..1e0467fefd
--- /dev/null
+++ b/src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestXSLFBackground.java
@@ -0,0 +1,158 @@
+/* ====================================================================
+   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.poi.xslf.usermodel;
+
+import org.apache.poi.xslf.XSLFTestDataSamples;
+import org.junit.Test;
+import org.openxmlformats.schemas.presentationml.x2006.main.CTBackgroundProperties;
+import org.openxmlformats.schemas.presentationml.x2006.main.impl.CTBackgroundImpl;
+
+import java.awt.*;
+import java.io.IOException;
+
+import static org.junit.Assert.*;
+
+public class TestXSLFBackground {
+    @Test
+    public void testNoFillBackground() throws IOException {
+        XMLSlideShow pptx = new XMLSlideShow();
+        XSLFSlide slide = pptx.createSlide();
+
+        slide.getBackground().setFillColor(null);
+
+        CTBackgroundImpl bg = (CTBackgroundImpl) slide.getBackground().getXmlObject();
+        CTBackgroundProperties bgPr = bg.getBgPr();
+
+        assertFalse(bgPr.isSetBlipFill());
+        assertFalse(bgPr.isSetGradFill());
+        assertFalse(bgPr.isSetGrpFill());
+        assertFalse(bgPr.isSetPattFill());
+        assertFalse(bgPr.isSetSolidFill());
+        assertTrue(bgPr.isSetNoFill());
+
+        pptx.close();
+    }
+
+    @Test
+    public void testSolidFillBackground() throws IOException {
+        XMLSlideShow pptx = new XMLSlideShow();
+        XSLFSlide slide = pptx.createSlide();
+
+        Color color = Color.RED;
+
+        slide.getBackground().setFillColor(color);
+
+        CTBackgroundImpl bg = (CTBackgroundImpl) slide.getBackground().getXmlObject();
+        CTBackgroundProperties bgPr = bg.getBgPr();
+
+        assertFalse(bgPr.isSetBlipFill());
+        assertFalse(bgPr.isSetGradFill());
+        assertFalse(bgPr.isSetGrpFill());
+        assertFalse(bgPr.isSetPattFill());
+        assertTrue(bgPr.isSetSolidFill());
+        assertFalse(bgPr.isSetNoFill());
+
+        assertEquals(slide.getBackground().getFillColor(), color);
+
+        pptx.close();
+    }
+
+    @Test
+    public void testBlipFillBackground() throws IOException {
+        XMLSlideShow pptx = XSLFTestDataSamples.openSampleDocument("pptx2svg.pptx");
+        XSLFSlide slide = pptx.getSlides().get(0);
+
+        Color color = Color.WHITE;
+
+        CTBackgroundImpl bg = (CTBackgroundImpl) slide.getBackground().getXmlObject();
+        CTBackgroundProperties bgPr = bg.getBgPr();
+
+        assertTrue(bgPr.isSetBlipFill());
+        assertFalse(bgPr.isSetGradFill());
+        assertFalse(bgPr.isSetGrpFill());
+        assertFalse(bgPr.isSetPattFill());
+        assertFalse(bgPr.isSetSolidFill());
+        assertFalse(bgPr.isSetNoFill());
+
+        slide.getBackground().setFillColor(color);
+
+        assertFalse(bgPr.isSetBlipFill());
+        assertFalse(bgPr.isSetGradFill());
+        assertFalse(bgPr.isSetGrpFill());
+        assertFalse(bgPr.isSetPattFill());
+        assertTrue(bgPr.isSetSolidFill());
+        assertFalse(bgPr.isSetNoFill());
+
+        assertEquals(slide.getBackground().getFillColor(), color);
+
+        slide.getBackground().setFillColor(null);
+
+        assertFalse(bgPr.isSetBlipFill());
+        assertFalse(bgPr.isSetGradFill());
+        assertFalse(bgPr.isSetGrpFill());
+        assertFalse(bgPr.isSetPattFill());
+        assertFalse(bgPr.isSetSolidFill());
+        assertTrue(bgPr.isSetNoFill());
+
+        assertNull(slide.getBackground().getFillColor());
+
+        pptx.close();
+    }
+
+    @Test
+    public void testGradFillBackground() throws IOException {
+        XMLSlideShow pptx = XSLFTestDataSamples.openSampleDocument("themes.pptx");
+        XSLFSlide slide = pptx.getSlides().get(9);
+
+        Color color = Color.GREEN;
+
+        CTBackgroundImpl bg = (CTBackgroundImpl) slide.getBackground().getXmlObject();
+        CTBackgroundProperties bgPr = bg.getBgPr();
+
+        assertFalse(bgPr.isSetBlipFill());
+        assertTrue(bgPr.isSetGradFill());
+        assertFalse(bgPr.isSetGrpFill());
+        assertFalse(bgPr.isSetPattFill());
+        assertFalse(bgPr.isSetSolidFill());
+        assertFalse(bgPr.isSetNoFill());
+
+        slide.getBackground().setFillColor(color);
+
+        assertFalse(bgPr.isSetBlipFill());
+        assertFalse(bgPr.isSetGradFill());
+        assertFalse(bgPr.isSetGrpFill());
+        assertFalse(bgPr.isSetPattFill());
+        assertTrue(bgPr.isSetSolidFill());
+        assertFalse(bgPr.isSetNoFill());
+
+        assertEquals(slide.getBackground().getFillColor(), color);
+
+        slide.getBackground().setFillColor(null);
+
+        assertFalse(bgPr.isSetBlipFill());
+        assertFalse(bgPr.isSetGradFill());
+        assertFalse(bgPr.isSetGrpFill());
+        assertFalse(bgPr.isSetPattFill());
+        assertFalse(bgPr.isSetSolidFill());
+        assertTrue(bgPr.isSetNoFill());
+
+        assertNull(slide.getBackground().getFillColor());
+
+        pptx.close();
+    }
+}
+