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chart element (does not work)

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This commit is contained in:
Jörg Prante 2021-12-14 09:15:59 +01:00
parent 17a613541a
commit 08686de066
7 changed files with 227 additions and 28 deletions
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27
graphics-chart/src/main/java/org/xbib/graphics/chart/QuickChart.java
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@ -12,14 +12,19 @@ import java.util.List;
public final class QuickChart {
private final static int WIDTH = 600;
private final static int HEIGHT = 400;
private QuickChart() {
}
public static XYChart getChart(String chartTitle, String xTitle, String yTitle,
String seriesName, double[] xData, double[] yData) {
double[][] yData2d = {yData};
public static XYChart getChart(String chartTitle,
String xTitle,
String yTitle,
String seriesName,
double[] xData,
double[] yData) {
double[][] yData2d = { yData };
if (seriesName == null) {
return getChart(chartTitle, xTitle, yTitle, null, xData, yData2d);
} else {
@ -27,8 +32,12 @@ public final class QuickChart {
}
}
public static XYChart getChart(String chartTitle, String xTitle, String yTitle,
String[] seriesNames, double[] xData, double[][] yData) {
public static XYChart getChart(String chartTitle,
String xTitle,
String yTitle,
String[] seriesNames,
double[] xData,
double[][] yData) {
XYChart chart = new XYChart(WIDTH, HEIGHT);
chart.setTitle(chartTitle);
chart.setXAxisTitle(xTitle);
@ -46,8 +55,12 @@ public final class QuickChart {
return chart;
}
public static XYChart getChart(String chartTitle, String xTitle, String yTitle,
String seriesName, List<? extends Double> xData, List<? extends Double> yData) {
public static XYChart getChart(String chartTitle,
String xTitle,
String yTitle,
String seriesName,
List<? extends Double> xData,
List<? extends Double> yData) {
XYChart chart = new XYChart(WIDTH, HEIGHT);
chart.setTitle(chartTitle);
chart.setXAxisTitle(xTitle);

1
graphics-pdfbox-layout/src/main/java/module-info.java
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@ -18,4 +18,5 @@ module org.xbib.graphics.layout.pdfbox {
requires org.xbib.settings.datastructures;
requires transitive java.desktop;
requires java.logging;
requires org.xbib.graphics.chart;
}

141
graphics-pdfbox-layout/src/main/java/org/xbib/graphics/pdfbox/layout/elements/ChartElement.java Normal file
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@ -0,0 +1,141 @@
package org.xbib.graphics.pdfbox.layout.elements;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject;
import org.apache.pdfbox.util.Matrix;
import org.xbib.graphics.chart.QuickChart;
import org.xbib.graphics.chart.xy.XYChart;
import org.xbib.graphics.pdfbox.PdfBoxGraphics2D;
import org.xbib.graphics.pdfbox.layout.text.DrawListener;
import org.xbib.graphics.pdfbox.layout.text.Position;
import org.xbib.graphics.pdfbox.layout.text.WidthRespecting;
import java.awt.Color;
import java.awt.geom.AffineTransform;
import java.io.IOException;
import java.util.Arrays;
import java.util.logging.Logger;
public class ChartElement implements Element, Drawable, Dividable, WidthRespecting {
String chartTitle;
private double[] xData;
private double[] yData;
private float width;
private float height;
private float scaleX = 1.0f;
private float scaleY = 1.0f;
private float maxWidth = -1;
private Position absolutePosition;
public void setXData(double[] xData) {
this.xData = xData;
}
public void setYData(double[] yData) {
this.yData = yData;
}
public void setScaleX(float scaleX) {
this.scaleX = scaleX;
}
public float getScaleX() {
return scaleX;
}
public void setScaleY(float scaleY) {
this.scaleY = scaleY;
}
public float getScaleY() {
return scaleY;
}
public void setWidth(float width) {
this.width = width;
}
@Override
public float getWidth() throws IOException {
return width * scaleX;
}
public void setHeight(float height) {
this.height = height;
}
@Override
public float getHeight() throws IOException {
return height * scaleY;
}
@Override
public Divided divide(float remainingHeight, float nextPageHeight)
throws IOException {
if (getHeight() <= nextPageHeight) {
return new Divided(new VerticalSpacer(remainingHeight), this);
}
return new Cutter(this).divide(remainingHeight, nextPageHeight);
}
@Override
public float getMaxWidth() {
return maxWidth;
}
@Override
public void setMaxWidth(float maxWidth) {
this.maxWidth = maxWidth;
}
@Override
public Position getAbsolutePosition() {
return absolutePosition;
}
public void setAbsolutePosition(Position absolutePosition) {
this.absolutePosition = absolutePosition;
}
@Override
public void draw(PDDocument pdDocument,
PDPageContentStream contentStream,
Position upperLeft,
DrawListener drawListener) throws IOException {
float x = upperLeft.getX();
float y = upperLeft.getY() - getHeight();
PdfBoxGraphics2D pdfBoxGraphics2D = new PdfBoxGraphics2D(pdDocument, getWidth(), getHeight());
Logger.getLogger("").info("x=" + x + " y=" + y);
Logger.getLogger("").info("xData=" + Arrays.toString(xData));
Logger.getLogger("").info("yData=" + Arrays.toString(xData));
XYChart chart = QuickChart.getChart("Sample Chart",
"X", "Y", "y(x)", xData, yData);
chart.paint(pdfBoxGraphics2D, 600, 480);
PDFormXObject xFormObject = pdfBoxGraphics2D.getXFormObject();
xFormObject.setMatrix(AffineTransform.getTranslateInstance(x, y));
//Matrix matrix = new Matrix();
//matrix.translate(x, y);
contentStream.saveGraphicsState();
//contentStream.transform(matrix);
contentStream.drawForm(xFormObject);
contentStream.restoreGraphicsState();
if (drawListener != null) {
drawListener.drawn(this, upperLeft, getWidth(), getHeight());
}
}
@Override
public Drawable removeLeadingEmptyVerticalSpace() {
return this;
}
}

55
graphics-pdfbox-layout/src/main/java/org/xbib/graphics/pdfbox/layout/script/command/ChartCommand.java Normal file
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@ -0,0 +1,55 @@
package org.xbib.graphics.pdfbox.layout.script.command;
import org.xbib.graphics.pdfbox.layout.elements.ChartElement;
import org.xbib.graphics.pdfbox.layout.elements.render.VerticalLayoutHint;
import org.xbib.graphics.pdfbox.layout.script.Engine;
import org.xbib.graphics.pdfbox.layout.script.State;
import org.xbib.graphics.pdfbox.layout.text.Alignment;
import org.xbib.graphics.pdfbox.layout.text.Position;
import org.xbib.settings.Settings;
import java.io.IOException;
import java.util.Arrays;
import java.util.Locale;
import static org.xbib.graphics.pdfbox.layout.util.PdfUtil.mmToPt;
public class ChartCommand implements Command {
@Override
public void execute(Engine engine, State state, Settings settings) throws IOException {
ChartElement element = new ChartElement();
if (settings.containsSetting("xdata")) {
String[] strings = settings.getAsArray("xdata");
element.setXData(Arrays.stream(strings).mapToDouble(Double::parseDouble).toArray());
}
if (settings.containsSetting("ydata")) {
String[] strings = settings.getAsArray("ydata");
element.setYData(Arrays.stream(strings).mapToDouble(Double::parseDouble).toArray());
}
if (settings.containsSetting("x") && settings.containsSetting("y")) {
element.setAbsolutePosition(new Position(mmToPt(settings.getAsFloat("x", 0f)), mmToPt(settings.getAsFloat("y", 0f))));
}
if (settings.containsSetting("width")) {
element.setWidth(settings.getAsFloat("width", element.getWidth()));
}
if (settings.containsSetting("height")) {
element.setHeight(settings.getAsFloat("height", element.getHeight()));
}
if (settings.containsSetting("scalex")) {
element.setScaleX(settings.getAsFloat("scalex", element.getScaleX()));
}
if (settings.containsSetting("scaley")) {
element.setScaleY(settings.getAsFloat("scaley", element.getScaleY()));
}
Alignment alignment = Alignment.valueOf(settings.get("alignment", "left").toUpperCase(Locale.ROOT));
String margin = settings.get("margin", "0 0 0 0");
String[] margins = margin.split(" ");
float marginleft = Float.parseFloat(margins[0]);
float marginright = Float.parseFloat(margins[1]);
float margintop = Float.parseFloat(margins[2]);
float marginbottom = Float.parseFloat(margins[3]);
VerticalLayoutHint verticalLayoutHint = new VerticalLayoutHint(alignment, marginleft, marginright, margintop, marginbottom, true);
state.elements.peek().add(element, verticalLayoutHint);
}
}

20
graphics-pdfbox-layout/src/test/resources/org/xbib/graphics/pdfbox/layout/test/script/deckblatt.json
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File diff suppressed because one or more lines are too long

10
graphics-pdfbox-layout/src/test/resources/org/xbib/graphics/pdfbox/layout/test/script/image.json Normal file
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File diff suppressed because one or more lines are too long

1
graphics-pdfbox/build.gradle
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@ -1,5 +1,4 @@
dependencies {
api "org.apache.pdfbox:pdfbox:${project.property('pdfbox.version')}"
testImplementation "org.jfree:jfreechart:${project.property('jfreechart.version')}"
//testImplementation "io.sf.carte:echosvg-bridge:${project.property('echosvg.version')}"
}