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/*
* ====================================================================
* 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.sl.tests.draw;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assumptions.assumeFalse;
import java.awt.Dimension;
import java.awt.geom.Rectangle2D;
import java.io.IOException;
import java.io.InputStream;
import org.apache.poi.POIDataSamples;
import org.apache.poi.sl.draw.DrawPictureShape;
import org.apache.poi.sl.usermodel.PictureData;
import org.apache.poi.sl.usermodel.PictureShape;
import org.apache.poi.sl.usermodel.RectAlign;
import org.apache.poi.sl.usermodel.Shape;
import org.apache.poi.sl.usermodel.Slide;
import org.apache.poi.sl.usermodel.SlideShow;
import org.apache.poi.sl.usermodel.SlideShowFactory;
import org.apache.poi.util.Units;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
class TestDrawPictureShape {
static final POIDataSamples ssSamples = POIDataSamples.getSlideShowInstance();
private static boolean xslfOnly;
@BeforeAll
public static void checkHslf() {
try {
Class.forName("org.apache.poi.hslf.usermodel.HSLFSlideShow");
} catch (Exception e) {
xslfOnly = true;
}
}
/** a generic way to open a sample slideshow document **/
public static SlideShow<?,?> openSampleDocument(String sampleName) throws IOException {
try (InputStream is = ssSamples.openResourceAsStream(sampleName)) {
return SlideShowFactory.create(is);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Test
void testResizeHSLF() throws IOException {
assumeFalse(xslfOnly);
testResize("pictures.ppt");
}
@Test
void testResizeXSLF() throws IOException {
testResize("shapes.pptx");
}
void testResize(String file) throws IOException {
SlideShow<?,?> ss = openSampleDocument(file);
Slide<?,?> slide = ss.getSlides().get(0);
PictureShape<?,?> picShape = null;
for (Shape<?,?> shape : slide.getShapes()) {
if (shape instanceof PictureShape) {
picShape = (PictureShape<?,?>)shape;
break;
}
}
assertNotNull(picShape);
PictureData pd = picShape.getPictureData();
Dimension dimPd = pd.getImageDimension();
new DrawPictureShape(picShape).resize();
Dimension dimShape = new Dimension(
(int)picShape.getAnchor().getWidth(),
(int)picShape.getAnchor().getHeight()
);
assertEquals(dimPd, dimShape);
double newWidth = (dimPd.getWidth()*(100d/dimPd.getHeight()));
// ... -1 is a rounding error
Rectangle2D expRect = new Rectangle2D.Double(rbf(50+300-newWidth, picShape), 50, rbf(newWidth, picShape), 100);
Rectangle2D target = new Rectangle2D.Double(50,50,300,100);
new DrawPictureShape(picShape).resize(target, RectAlign.BOTTOM_RIGHT);
Rectangle2D actRect = picShape.getAnchor();
assertEquals(expRect.getX(), actRect.getX(), .0001);
assertEquals(expRect.getY(), actRect.getY(), .0001);
assertEquals(expRect.getWidth(), actRect.getWidth(), .0001);
assertEquals(expRect.getHeight(), actRect.getHeight(), .0001);
ss.close();
}
// round back and forth - points -> master -> points
static double rbf(double val, PictureShape<?,?> picShape) {
if (picShape.getClass().getName().contains("HSLF")) {
return Units.masterToPoints(Units.pointsToMaster(val));
} else {
return val;
}
}
}
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