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Bug 64950: handle doughnut hole size 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1885771 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Alain Béarez 2021-01-21 21:13:27 +00:00
parent 4013ffa220
commit b2fd6f8bdc
8 changed files with 245 additions and 15 deletions
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2
src/examples/src/org/apache/poi/examples/xslf/BarChartDemo.java
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@ -64,7 +64,7 @@ public final class BarChartDemo {
}
try (FileInputStream argIS = new FileInputStream(args[0]);
BufferedReader modelReader = Files.newBufferedReader(Paths.get(args[1]), StandardCharsets.ISO_8859_1)) {
BufferedReader modelReader = Files.newBufferedReader(Paths.get(args[1]), StandardCharsets.UTF_8)) {
String chartTitle = modelReader.readLine(); // first line is chart title
String[] series = modelReader.readLine().split(",");

6
src/examples/src/org/apache/poi/examples/xslf/ChartFromScratch.java
View File

@ -72,7 +72,7 @@ public final class ChartFromScratch {
return;
}
try (BufferedReader modelReader = Files.newBufferedReader(Paths.get(args[0]), StandardCharsets.ISO_8859_1)) {
try (BufferedReader modelReader = Files.newBufferedReader(Paths.get(args[0]), StandardCharsets.UTF_8)) {
String chartTitle = modelReader.readLine(); // first line is chart title
String[] series = modelReader.readLine().split(",");
@ -163,10 +163,10 @@ public final class ChartFromScratch {
bar.setBarGrouping(BarGrouping.CLUSTERED);
XDDFBarChartData.Series series1 = (XDDFBarChartData.Series) bar.addSeries(categoriesData, valuesData);
series1.setTitle(series[0], chart.setSheetTitle(series[0], COLUMN_COUNTRIES));
series1.setTitle(series[0], chart.setSheetTitle(series[COLUMN_COUNTRIES - 1], COLUMN_COUNTRIES));
XDDFBarChartData.Series series2 = (XDDFBarChartData.Series) bar.addSeries(categoriesData, valuesData2);
series2.setTitle(series[1], chart.setSheetTitle(series[1], COLUMN_SPEAKERS));
series2.setTitle(series[1], chart.setSheetTitle(series[COLUMN_SPEAKERS - 1], COLUMN_SPEAKERS));
bar.setVaryColors(true);
bar.setBarDirection(BarDirection.COL);

167
src/examples/src/org/apache/poi/examples/xslf/DoughnutChartFromScratch.java Normal file
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@ -0,0 +1,167 @@
/*
* ====================================================================
* 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.examples.xslf;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.util.Units;
import org.apache.poi.xddf.usermodel.chart.AxisCrossBetween;
import org.apache.poi.xddf.usermodel.chart.AxisCrosses;
import org.apache.poi.xddf.usermodel.chart.AxisPosition;
import org.apache.poi.xddf.usermodel.chart.AxisTickMark;
import org.apache.poi.xddf.usermodel.chart.ChartTypes;
import org.apache.poi.xddf.usermodel.chart.LegendPosition;
import org.apache.poi.xddf.usermodel.chart.XDDFChartAxis;
import org.apache.poi.xddf.usermodel.chart.XDDFChartLegend;
import org.apache.poi.xddf.usermodel.chart.XDDFDataSource;
import org.apache.poi.xddf.usermodel.chart.XDDFDataSourcesFactory;
import org.apache.poi.xddf.usermodel.chart.XDDFDoughnutChartData;
import org.apache.poi.xddf.usermodel.chart.XDDFNumericalDataSource;
import org.apache.poi.xddf.usermodel.chart.XDDFValueAxis;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFChart;
import org.apache.poi.xslf.usermodel.XSLFGraphicFrame;
import org.apache.poi.xslf.usermodel.XSLFShape;
import org.apache.poi.xslf.usermodel.XSLFSlide;
import java.awt.geom.Rectangle2D;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
/**
* Build a chart without reading template file
*/
@SuppressWarnings({"java:S106","java:S4823","java:S1192"})
public final class DoughnutChartFromScratch {
private DoughnutChartFromScratch() {}
private static void usage(){
System.out.println("Usage: DoughnutChartFromScratch <bar-chart-data.txt>");
System.out.println(" bar-chart-data.txt the model to set. First line is chart title, " +
"then go pairs {axis-label value}");
}
public static void main(String[] args) throws Exception {
if(args.length < 1) {
usage();
return;
}
try (BufferedReader modelReader = Files.newBufferedReader(Paths.get(args[0]), StandardCharsets.UTF_8)) {
String chartTitle = modelReader.readLine(); // first line is chart title
String[] series = modelReader.readLine().split(",");
// Category Axis Data
List<String> listLanguages = new ArrayList<>(10);
// Values
List<Double> listCountries = new ArrayList<>(10);
List<Double> listSpeakers = new ArrayList<>(10);
// set model
String ln;
while((ln = modelReader.readLine()) != null) {
String[] vals = ln.split(",");
listCountries.add(Double.valueOf(vals[0]));
listSpeakers.add(Double.valueOf(vals[1]));
listLanguages.add(vals[2]);
}
String[] categories = listLanguages.toArray(new String[0]);
Double[] values1 = listCountries.toArray(new Double[0]);
Double[] values2 = listSpeakers.toArray(new Double[0]);
try (XMLSlideShow ppt = new XMLSlideShow()) {
createSlideWithChart(ppt, chartTitle, series, categories, values1, COLUMN_COUNTRIES);
createSlideWithChart(ppt, chartTitle, series, categories, values2, COLUMN_SPEAKERS);
// save the result
try (OutputStream out = new FileOutputStream("doughnut-chart-from-scratch.pptx")) {
ppt.write(out);
}
}
try (FileInputStream is = new FileInputStream("doughnut-chart-from-scratch.pptx")) {
try (XMLSlideShow ppt = new XMLSlideShow(is)) {
for (XSLFSlide slide : ppt.getSlides()) {
for (XSLFShape shape : slide.getShapes()) {
if (shape instanceof XSLFGraphicFrame) {
XSLFGraphicFrame frame = (XSLFGraphicFrame) shape;
if (frame.hasChart()) {
System.out.println(frame.getChart().getTitleShape().getText());
}
}
}
}
}
}
}
System.out.println("Done");
}
private static void createSlideWithChart(XMLSlideShow ppt, String chartTitle, String[] series, String[] categories,
Double[] values, int valuesColumn) {
XSLFSlide slide = ppt.createSlide();
XSLFChart chart = ppt.createChart();
Rectangle2D rect2D = new java.awt.Rectangle(fromCM(1.5), fromCM(4), fromCM(22), fromCM(14));
slide.addChart(chart, rect2D);
setDoughnutData(chart, chartTitle, series, categories, values, valuesColumn);
}
private static int fromCM(double cm) {
return (int) (Math.rint(cm * Units.EMU_PER_CENTIMETER));
}
private static void setDoughnutData(XSLFChart chart, String chartTitle, String[] series, String[] categories,
Double[] values, int valuesColumn) {
final int numOfPoints = categories.length;
final String categoryDataRange = chart.formatRange(new CellRangeAddress(1, numOfPoints, COLUMN_LANGUAGES, COLUMN_LANGUAGES));
final String valuesDataRange = chart.formatRange(new CellRangeAddress(1, numOfPoints, valuesColumn, valuesColumn));
final XDDFDataSource<?> categoriesData = XDDFDataSourcesFactory.fromArray(categories, categoryDataRange, COLUMN_LANGUAGES);
final XDDFNumericalDataSource<? extends Number> valuesData = XDDFDataSourcesFactory.fromArray(values, valuesDataRange, valuesColumn);
valuesData.setFormatCode("General");
XDDFDoughnutChartData data = (XDDFDoughnutChartData) chart.createData(ChartTypes.DOUGHNUT, null, null);
XDDFDoughnutChartData.Series series1 = (XDDFDoughnutChartData.Series) data.addSeries(categoriesData, valuesData);
series1.setTitle(series[0], chart.setSheetTitle(series[valuesColumn - 1], valuesColumn));
data.setVaryColors(true);
data.setHoleSize(42);
data.setFirstSliceAngle(90);
chart.plot(data);
XDDFChartLegend legend = chart.getOrAddLegend();
legend.setPosition(LegendPosition.LEFT);
legend.setOverlay(false);
chart.setTitleText(chartTitle);
chart.setTitleOverlay(false);
chart.setAutoTitleDeleted(false);
}
private static final int COLUMN_LANGUAGES = 0;
private static final int COLUMN_COUNTRIES = 1;
private static final int COLUMN_SPEAKERS = 2;
}

2
src/examples/src/org/apache/poi/examples/xslf/PieChartDemo.java
View File

@ -61,7 +61,7 @@ public final class PieChartDemo {
}
try (FileInputStream argIS = new FileInputStream(args[0]);
BufferedReader modelReader = Files.newBufferedReader(Paths.get(args[1]), StandardCharsets.ISO_8859_1)) {
BufferedReader modelReader = Files.newBufferedReader(Paths.get(args[1]), StandardCharsets.UTF_8)) {
String chartTitle = modelReader.readLine(); // first line is chart title
try (XMLSlideShow pptx = new XMLSlideShow(argIS)) {

9
src/ooxml/java/org/apache/poi/ooxml/util/POIXMLUnits.java
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@ -133,6 +133,11 @@ public class POIXMLUnits {
}
public static int parsePercent(org.openxmlformats.schemas.drawingml.x2006.chart.STHoleSize pctUnion) {
return parsePercentInner(pctUnion, 1);
}
private static int parsePercentInner(org.apache.xmlbeans.XmlAnySimpleType pctUnion, int noUnitScale) {
String strVal = pctUnion.getStringValue();
if (strVal.endsWith("%")) {
@ -211,7 +216,7 @@ public class POIXMLUnits {
/**
* If not unit is specified, DXA (twentieth of a point) is assumed
* If no unit is specified, DXA (twentieth of a point) is assumed
*
* @return length in EMUs
*/
@ -222,7 +227,7 @@ public class POIXMLUnits {
/**
* Returns the EMUs for the given measurment (mm|cm|in|pt|pc|pi, defaults to EMUs*noUnitEmuFactor if not specified)
* Returns the EMUs for the given measurement (mm|cm|in|pt|pc|pi, defaults to EMUs*noUnitEmuFactor if not specified)
*
* @param coordUnion the raw type
* @return the EMUs for the given attribute

65
src/ooxml/java/org/apache/poi/xddf/usermodel/chart/XDDFDoughnutChartData.java
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@ -17,6 +17,7 @@
package org.apache.poi.xddf.usermodel.chart;
import org.apache.poi.ooxml.util.POIXMLUnits;
import org.apache.poi.util.Beta;
import org.apache.poi.util.Internal;
import org.apache.poi.xddf.usermodel.XDDFShapeProperties;
@ -60,10 +61,60 @@ public class XDDFDoughnutChartData extends XDDFChartData {
}
}
public Integer getFirstSliceAngle() {
if (chart.isSetFirstSliceAng()) {
return chart.getFirstSliceAng().getVal();
} else {
return null;
}
}
public void setFirstSliceAngle(Integer angle) {
if (angle == null) {
if (chart.isSetFirstSliceAng()) {
chart.unsetFirstSliceAng();
}
} else {
if (angle < 0 || 360 < angle) {
throw new IllegalArgumentException("Value of angle must be between 0 and 360, both inclusive.");
}
if (chart.isSetFirstSliceAng()) {
chart.getFirstSliceAng().setVal(angle);
} else {
chart.addNewFirstSliceAng().setVal(angle);
}
}
}
public Integer getHoleSize() {
if (chart.isSetHoleSize()) {
return POIXMLUnits.parsePercent(chart.getHoleSize().xgetVal());
} else {
return null;
}
}
public void setHoleSize(Integer holeSize) {
if (holeSize == null) {
if (chart.isSetHoleSize()) {
chart.unsetHoleSize();
}
} else {
if (holeSize < 10 || holeSize > 90) {
throw new IllegalArgumentException("Value of holeSize must be between 10 and 90, both inclusive.");
}
if (chart.isSetHoleSize()) {
chart.getHoleSize().setVal(holeSize);
} else {
chart.addNewHoleSize().setVal(holeSize);
}
}
}
@Override
public XDDFChartData.Series addSeries(XDDFDataSource<?> category,
XDDFNumericalDataSource<? extends Number> values) {
final int index = this.series.size();
final long index = this.parent.incrementSeriesCount();
final CTPieSer ctSer = this.chart.addNewSer();
ctSer.addNewCat();
ctSer.addNewVal();
@ -133,21 +184,27 @@ public class XDDFDoughnutChartData extends XDDFChartData {
}
}
public long getExplosion() {
public Long getExplosion() {
if (series.isSetExplosion()) {
return series.getExplosion().getVal();
} else {
return 0;
return null;
}
}
public void setExplosion(long explosion) {
public void setExplosion(Long explosion) {
if (explosion == null) {
if (series.isSetExplosion()) {
series.unsetExplosion();
}
} else {
if (series.isSetExplosion()) {
series.getExplosion().setVal(explosion);
} else {
series.addNewExplosion().setVal(explosion);
}
}
}
@Override
protected CTAxDataSource getAxDS() {

2
src/ooxml/java/org/apache/poi/xddf/usermodel/chart/XDDFPieChartData.java
View File

@ -75,7 +75,7 @@ public class XDDFPieChartData extends XDDFChartData {
}
} else {
if (angle < 0 || 360 < angle) {
throw new IllegalArgumentException("angle must be between 0 and 360");
throw new IllegalArgumentException("Value of angle must be between 0 and 360, both inclusive.");
}
if (chart.isSetFirstSliceAng()) {
chart.getFirstSliceAng().setVal(angle);

1
src/ooxml/testcases/org/apache/poi/xddf/usermodel/TestNecessaryOOXMLClasses.java
View File

@ -177,6 +177,7 @@ class TestNecessaryOOXMLClasses {
assertNotNull(CTErrBarType.Factory.newInstance());
assertNotNull(CTErrValType.Factory.newInstance());
assertNotNull(CTErrDir.Factory.newInstance());
assertNotNull(CTHoleSize.Factory.newInstance());
STErrBarType.Enum e9 = STErrBarType.Enum.forString("both");
assertNotNull(e9);