poi-ooxml/src/test/java/org/apache/poi/xslf/usermodel/TestXSLFBackground.java

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   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
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       http://www.apache.org/licenses/LICENSE-2.0

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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
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package org.apache.poi.xslf.usermodel;

import org.apache.poi.xslf.XSLFTestDataSamples;
import org.junit.jupiter.api.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.jupiter.api.Assertions.*;

class TestXSLFBackground {
    @Test
    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
    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
    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
    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();
    }
}