Initial commit
This commit is contained in:
Andrea Cavalli
commit
070ae714b0
182
.gitignore
vendored
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182
.gitignore
vendored
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@ -0,0 +1,182 @@
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|||
# ---> Maven
|
||||
target/
|
||||
pom.xml.tag
|
||||
pom.xml.releaseBackup
|
||||
pom.xml.versionsBackup
|
||||
pom.xml.next
|
||||
release.properties
|
||||
dependency-reduced-pom.xml
|
||||
buildNumber.properties
|
||||
.mvn/timing.properties
|
||||
# https://github.com/takari/maven-wrapper#usage-without-binary-jar
|
||||
.mvn/wrapper/maven-wrapper.jar
|
||||
|
||||
# ---> Java
|
||||
# Compiled class file
|
||||
*.class
|
||||
|
||||
# Log file
|
||||
*.log
|
||||
|
||||
# BlueJ files
|
||||
*.ctxt
|
||||
|
||||
# Mobile Tools for Java (J2ME)
|
||||
.mtj.tmp/
|
||||
|
||||
# Package Files #
|
||||
*.jar
|
||||
*.war
|
||||
*.nar
|
||||
*.ear
|
||||
*.zip
|
||||
*.tar.gz
|
||||
*.rar
|
||||
|
||||
# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
|
||||
hs_err_pid*
|
||||
|
||||
# ---> Linux
|
||||
*~
|
||||
|
||||
# temporary files which can be created if a process still has a handle open of a deleted file
|
||||
.fuse_hidden*
|
||||
|
||||
# KDE directory preferences
|
||||
.directory
|
||||
|
||||
# Linux trash folder which might appear on any partition or disk
|
||||
.Trash-*
|
||||
|
||||
# .nfs files are created when an open file is removed but is still being accessed
|
||||
.nfs*
|
||||
|
||||
# ---> Windows
|
||||
# Windows thumbnail cache files
|
||||
Thumbs.db
|
||||
Thumbs.db:encryptable
|
||||
ehthumbs.db
|
||||
ehthumbs_vista.db
|
||||
|
||||
# Dump file
|
||||
*.stackdump
|
||||
|
||||
# Folder config file
|
||||
[Dd]esktop.ini
|
||||
|
||||
# Recycle Bin used on file shares
|
||||
$RECYCLE.BIN/
|
||||
|
||||
# Windows Installer files
|
||||
*.cab
|
||||
*.msi
|
||||
*.msix
|
||||
*.msm
|
||||
*.msp
|
||||
|
||||
# Windows shortcuts
|
||||
*.lnk
|
||||
|
||||
# ---> macOS
|
||||
# General
|
||||
.DS_Store
|
||||
.AppleDouble
|
||||
.LSOverride
|
||||
|
||||
# Icon must end with two \r
|
||||
Icon
|
||||
|
||||
|
||||
# Thumbnails
|
||||
._*
|
||||
|
||||
# Files that might appear in the root of a volume
|
||||
.DocumentRevisions-V100
|
||||
.fseventsd
|
||||
.Spotlight-V100
|
||||
.TemporaryItems
|
||||
.Trashes
|
||||
.VolumeIcon.icns
|
||||
.com.apple.timemachine.donotpresent
|
||||
|
||||
# Directories potentially created on remote AFP share
|
||||
.AppleDB
|
||||
.AppleDesktop
|
||||
Network Trash Folder
|
||||
Temporary Items
|
||||
.apdisk
|
||||
|
||||
# ---> JetBrains
|
||||
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
|
||||
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
|
||||
|
||||
# User-specific stuff
|
||||
.idea/**/workspace.xml
|
||||
.idea/**/tasks.xml
|
||||
.idea/**/usage.statistics.xml
|
||||
.idea/**/dictionaries
|
||||
.idea/**/shelf
|
||||
|
||||
# Generated files
|
||||
.idea/**/contentModel.xml
|
||||
|
||||
# Sensitive or high-churn files
|
||||
.idea/**/dataSources/
|
||||
.idea/**/dataSources.ids
|
||||
.idea/**/dataSources.local.xml
|
||||
.idea/**/sqlDataSources.xml
|
||||
.idea/**/dynamic.xml
|
||||
.idea/**/uiDesigner.xml
|
||||
.idea/**/dbnavigator.xml
|
||||
|
||||
# Gradle
|
||||
.idea/**/gradle.xml
|
||||
.idea/**/libraries
|
||||
|
||||
# Gradle and Maven with auto-import
|
||||
# When using Gradle or Maven with auto-import, you should exclude module files,
|
||||
# since they will be recreated, and may cause churn. Uncomment if using
|
||||
# auto-import.
|
||||
# .idea/artifacts
|
||||
# .idea/compiler.xml
|
||||
# .idea/jarRepositories.xml
|
||||
# .idea/modules.xml
|
||||
# .idea/*.iml
|
||||
# .idea/modules
|
||||
# *.iml
|
||||
# *.ipr
|
||||
|
||||
# CMake
|
||||
cmake-build-*/
|
||||
|
||||
# Mongo Explorer plugin
|
||||
.idea/**/mongoSettings.xml
|
||||
|
||||
# File-based project format
|
||||
*.iws
|
||||
|
||||
# IntelliJ
|
||||
out/
|
||||
|
||||
# mpeltonen/sbt-idea plugin
|
||||
.idea_modules/
|
||||
|
||||
# JIRA plugin
|
||||
atlassian-ide-plugin.xml
|
||||
|
||||
# Cursive Clojure plugin
|
||||
.idea/replstate.xml
|
||||
|
||||
# Crashlytics plugin (for Android Studio and IntelliJ)
|
||||
com_crashlytics_export_strings.xml
|
||||
crashlytics.properties
|
||||
crashlytics-build.properties
|
||||
fabric.properties
|
||||
|
||||
# Editor-based Rest Client
|
||||
.idea/httpRequests
|
||||
|
||||
# Android studio 3.1+ serialized cache file
|
||||
.idea/caches/build_file_checksums.ser
|
||||
|
||||
/.idea/
|
||||
BIN
.preview.png
Normal file
BIN
.preview.png
Normal file
Binary file not shown.
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After Width: | Height: | Size: 140 KiB |
5
README.md
Normal file
5
README.md
Normal file
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@ -0,0 +1,5 @@
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|||
# JLineGraph
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||||
|
||||
Small library to draw line graphs in java
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|
||||
|
||||
35
pom.xml
Normal file
35
pom.xml
Normal file
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@ -0,0 +1,35 @@
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|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
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||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
<groupId>it.cavallium</groupId>
|
||||
<artifactId>jlinegraph</artifactId>
|
||||
<version>1.0-SNAPSHOT</version>
|
||||
|
||||
<properties>
|
||||
<maven.compiler.source>17</maven.compiler.source>
|
||||
<maven.compiler.target>17</maven.compiler.target>
|
||||
</properties>
|
||||
<repositories>
|
||||
<repository>
|
||||
<id>mchv</id>
|
||||
<name>MCHV Apache Maven Packages</name>
|
||||
<url>https://mvn.mchv.eu/repository/mchv/</url>
|
||||
</repository>
|
||||
</repositories>
|
||||
<distributionManagement>
|
||||
<repository>
|
||||
<id>mchv-release-distribution</id>
|
||||
<name>MCHV Release Apache Maven Packages Distribution</name>
|
||||
<url>https://mvn.mchv.eu/repository/mchv</url>
|
||||
</repository>
|
||||
<snapshotRepository>
|
||||
<id>mchv-snapshot-distribution</id>
|
||||
<name>MCHV Snapshot Apache Maven Packages Distribution</name>
|
||||
<url>https://mvn.mchv.eu/repository/mchv-snapshot</url>
|
||||
</snapshotRepository>
|
||||
</distributionManagement>
|
||||
|
||||
</project>
|
||||
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@ -0,0 +1,19 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
import java.awt.Graphics2D;
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||||
import java.awt.image.BufferedImage;
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||||
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||||
public class AWTBufferedGraphRenderer implements IGraphRenderer<BufferedImage> {
|
||||
|
||||
@Override
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||||
public BufferedImage renderGraph(Graph graph, RasterSize totalSize) {
|
||||
BufferedImage image = new BufferedImage((int) totalSize.width(),
|
||||
(int) totalSize.height(),
|
||||
BufferedImage.TYPE_INT_ARGB
|
||||
);
|
||||
Graphics2D graphics2D = image.createGraphics();
|
||||
AWTGraphRenderer.renderGraph(graphics2D, graph, totalSize);
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||||
return image;
|
||||
}
|
||||
|
||||
}
|
||||
108
src/main/java/it/cavallium/jlinegraph/AWTGraphExample.java
Normal file
108
src/main/java/it/cavallium/jlinegraph/AWTGraphExample.java
Normal file
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@ -0,0 +1,108 @@
|
|||
package it.cavallium.jlinegraph;
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||||
|
||||
import java.awt.Dimension;
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||||
import java.awt.Graphics;
|
||||
import java.awt.Graphics2D;
|
||||
import java.util.List;
|
||||
import javax.swing.JComponent;
|
||||
import javax.swing.JFrame;
|
||||
import javax.swing.WindowConstants;
|
||||
|
||||
public class AWTGraphExample {
|
||||
|
||||
private static final GraphColors GRAPH_COLOR = GraphColors.DARK;
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||||
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||||
public static void main(String[] args) {
|
||||
var jf = new JFrame("Graph");
|
||||
jf.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
|
||||
jf.setLocationByPlatform(true);
|
||||
var jp = new JComponent() {
|
||||
@Override
|
||||
protected void paintComponent(Graphics g) {
|
||||
generateGraph(this.getWidth(), this.getHeight(), (Graphics2D) g);
|
||||
}
|
||||
};
|
||||
jf.setBackground(GRAPH_COLOR.background().toColor());
|
||||
jf.add(jp);
|
||||
jf.setPreferredSize(new Dimension(800, 600));
|
||||
jf.pack();
|
||||
jf.setVisible(true);
|
||||
}
|
||||
|
||||
private static void generateGraph(int w, int h, Graphics2D g2d) {
|
||||
var g = new Graph("Example", new GraphData(List.of(
|
||||
new SeriesData(List.of(
|
||||
new Vertex(-3, -3),
|
||||
new Vertex(0, 0),
|
||||
new Vertex(3, 1),
|
||||
new Vertex(3.5, 7),
|
||||
new Vertex(7, 0.5),
|
||||
new Vertex(15, 14)
|
||||
), true, "Data1"),
|
||||
new SeriesData(List.of(
|
||||
new Vertex(-3, -2),
|
||||
new Vertex(0, 3),
|
||||
new Vertex(1, 1),
|
||||
new Vertex(2, 5),
|
||||
new Vertex(3, 6),
|
||||
new Vertex(4, 7),
|
||||
new Vertex(5, 4),
|
||||
new Vertex(6, 3),
|
||||
new Vertex(7, 1),
|
||||
new Vertex(8, 10),
|
||||
new Vertex(9, 12),
|
||||
new Vertex(10, 13),
|
||||
new Vertex(11, 15),
|
||||
new Vertex(12, 11),
|
||||
new Vertex(13, 15),
|
||||
new Vertex(14, 10),
|
||||
new Vertex(15, 4)
|
||||
), true, "Data2"),
|
||||
new SeriesData(List.of(
|
||||
new Vertex(-3, -1),
|
||||
new Vertex(0, 3),
|
||||
new Vertex(4, 4),
|
||||
new Vertex(8, 3),
|
||||
new Vertex(12, 4),
|
||||
new Vertex(15, 3)
|
||||
), true, "Data3"),
|
||||
new SeriesData(List.of(
|
||||
new Vertex(4.4, 5.2),
|
||||
new Vertex(6.4, 7.2),
|
||||
new Vertex(8.4, 5.2),
|
||||
new Vertex(6.4, 3.2),
|
||||
new Vertex(4.4, 5.2)
|
||||
), false, "full oval"),
|
||||
new SeriesData(List.of(
|
||||
new Vertex(-6+4.4, 5.8),
|
||||
new Vertex(-6+6.4, 7.8),
|
||||
new Vertex(-6+8.4, 5.8),
|
||||
new Vertex(-6+6.4, 3.8),
|
||||
new Vertex(-6+4.4, 5.8)
|
||||
), false, "oval line"),
|
||||
new SeriesData(List.of(
|
||||
new Vertex(3.3+4, 2.3+8),
|
||||
new Vertex(3.3+5, 2.3+7),
|
||||
new Vertex(3.3+8, 2.3+5),
|
||||
new Vertex(3.3+6, 2.3+3)
|
||||
), false, "open path")
|
||||
)),
|
||||
new GraphStyle(List.of(
|
||||
new SeriesStyle(new Color(0f, 1f, 0f, 1f), 1, 1, 0, 1d),
|
||||
new SeriesStyle(new Color(1f, 0f, 0f, 1f), 1, 0, 0, 1d),
|
||||
new SeriesStyle(new Color(0.5f, 1f, 1f, 1f), 0, 1, 0.3, 1d),
|
||||
new SeriesStyle(new Color(0.5f, 1f, 0.5f, 1f), 0, 0, 1, 1d),
|
||||
new SeriesStyle(new Color(0.5f, 1f, 0.5f, 1f), 0, 1, 0.3, 1d),
|
||||
new SeriesStyle(new Color(1f, 1f, 0.7f, 1f), 1.5, 2, 0, 1d)
|
||||
),
|
||||
new GraphAxisStyle("X axis", true, "%.2fs"::formatted),
|
||||
new GraphAxisStyle("Y axis", true, "%.2fm"::formatted),
|
||||
GRAPH_COLOR,
|
||||
new GraphFonts(10f, 18f, 12f, 12f),
|
||||
2f,
|
||||
true
|
||||
));
|
||||
var r = new AWTGraphRenderer();
|
||||
r.renderGraph(g, new RasterSize(w, h)).drawTo(g2d);
|
||||
}
|
||||
}
|
||||
793
src/main/java/it/cavallium/jlinegraph/AWTGraphRenderer.java
Normal file
793
src/main/java/it/cavallium/jlinegraph/AWTGraphRenderer.java
Normal file
|
|
@ -0,0 +1,793 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
import it.cavallium.jlinegraph.AWTGraphRenderer.AWTDrawer;
|
||||
import java.awt.BasicStroke;
|
||||
import java.awt.Color;
|
||||
import java.awt.Font;
|
||||
import java.awt.FontMetrics;
|
||||
import java.awt.Graphics2D;
|
||||
import java.awt.RenderingHints;
|
||||
import java.awt.Shape;
|
||||
import java.awt.font.GlyphVector;
|
||||
import java.awt.geom.Ellipse2D;
|
||||
import java.awt.geom.GeneralPath;
|
||||
import java.awt.geom.Line2D;
|
||||
import java.awt.geom.Path2D;
|
||||
import java.awt.geom.Point2D;
|
||||
import java.awt.geom.Rectangle2D;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.Comparator;
|
||||
import java.util.List;
|
||||
import java.util.Objects;
|
||||
|
||||
public class AWTGraphRenderer implements IGraphRenderer<AWTDrawer> {
|
||||
|
||||
private static final int MAX_LABELS = 1000;
|
||||
|
||||
@Override
|
||||
public AWTDrawer renderGraph(Graph graph, RasterSize totalSize) {
|
||||
return graphics2D -> renderGraph(graphics2D, graph, totalSize);
|
||||
}
|
||||
|
||||
public static void renderGraph(Graphics2D graphics2D, Graph graph, RasterSize totalSize) {
|
||||
graphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
|
||||
graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
|
||||
graphics2D.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
|
||||
graphics2D.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
|
||||
graphics2D.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
|
||||
graphics2D.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
|
||||
graphics2D.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
|
||||
graphics2D.setRenderingHint(RenderingHints.KEY_RESOLUTION_VARIANT, RenderingHints.VALUE_RESOLUTION_VARIANT_DPI_FIT);
|
||||
|
||||
Font defaultFont = graphics2D.getFont().deriveFont((float) graph.style().fonts().global());
|
||||
Font valuesFont = defaultFont.deriveFont((float) graph.style().fonts().valueLabel());
|
||||
Font axisNameFont = defaultFont.deriveFont((float) graph.style().fonts().axisName());
|
||||
|
||||
var defaultFontMetrics = graphics2D.getFontMetrics(defaultFont);
|
||||
var valuesFontMetrics = graphics2D.getFontMetrics(valuesFont);
|
||||
var axisNameFontMetrics = graphics2D.getFontMetrics(axisNameFont);
|
||||
|
||||
var graphBounds = graph.data().bounds();
|
||||
var x = graph.style().x();
|
||||
var y = graph.style().y();
|
||||
var scaleX = new NiceScale(graphBounds.minX(), graphBounds.maxX());
|
||||
scaleX.setMaxTicks(20);
|
||||
var scaleY = new NiceScale(graphBounds.minY(), graphBounds.maxY());
|
||||
scaleY.setMaxTicks(20);
|
||||
var topPadding = defaultFontMetrics.getHeight() + valuesFontMetrics.getHeight() / 2d;
|
||||
var leftPadding = defaultFontMetrics.getHeight();
|
||||
var rightPadding = defaultFontMetrics.getHeight()
|
||||
+ valuesFontMetrics.stringWidth(y.valueFormat().apply(graphBounds.maxX())) / 2d;
|
||||
var bottomPadding = defaultFontMetrics.getHeight();
|
||||
var xValueLineLength = valuesFontMetrics.getHeight();
|
||||
var yValueLineLength = valuesFontMetrics.getHeight();
|
||||
var xValuesHeight = valuesFontMetrics.getHeight();
|
||||
var xValuesToXAxisNamePadding = (x.show() ? valuesFontMetrics.getHeight() : 0);
|
||||
var xAxisNameHeight = (x.show() ? axisNameFontMetrics.getHeight() : 0);
|
||||
var yAxisNameWidth = (y.show() ? axisNameFontMetrics.getHeight() : 0);
|
||||
var yValuesToYAxisNamePadding = (y.show() ? valuesFontMetrics.getHeight() : 0);
|
||||
|
||||
var graphHeight
|
||||
// Start with total height
|
||||
= totalSize.height()
|
||||
// Remove the padding on top
|
||||
- topPadding
|
||||
// Remove the x value lines length
|
||||
- xValueLineLength
|
||||
// Remove the values height
|
||||
- xValuesHeight
|
||||
// Remove the space between the values and the axis name
|
||||
- xValuesToXAxisNamePadding
|
||||
// Remove x-axis name height
|
||||
- xAxisNameHeight
|
||||
// Remove the padding on bottom
|
||||
- bottomPadding;
|
||||
|
||||
var xValueLineOffset = topPadding + graphHeight;
|
||||
|
||||
var yLabels = getYLabels(graph, graphHeight, valuesFontMetrics, scaleY);
|
||||
RasterSize yLabelsAreaSize = computeYLabelsAreaSize(graphHeight, valuesFontMetrics, yLabels);
|
||||
var yValuesWidth = yLabelsAreaSize.width();
|
||||
var yValueLineOffset = leftPadding + yAxisNameWidth + yValuesToYAxisNamePadding + yValuesWidth;
|
||||
|
||||
var graphWidth
|
||||
// Start with total width
|
||||
= totalSize.width()
|
||||
// Remove the padding on left
|
||||
- leftPadding
|
||||
// Remove y-axis name "90deg height"
|
||||
- yAxisNameWidth
|
||||
// Remove the space between the values and the axis name
|
||||
- yValuesToYAxisNamePadding
|
||||
// Remove the y values width
|
||||
- yValuesWidth
|
||||
// Remove the y value lines length
|
||||
- yValueLineLength
|
||||
// Remove the padding on right
|
||||
- rightPadding;
|
||||
|
||||
Font seriesNameFont = null;
|
||||
FontMetrics seriesNameFontMetrics = null;
|
||||
|
||||
if (graph.style().showLegend()) {
|
||||
double legendSizeW;
|
||||
double legendSizeH;
|
||||
|
||||
seriesNameFont = defaultFont.deriveFont((float) graph.style().fonts().seriesName());
|
||||
seriesNameFontMetrics = graphics2D.getFontMetrics(seriesNameFont);
|
||||
legendSizeW = getLegendSizeW(graph, seriesNameFontMetrics);
|
||||
legendSizeH = getLegendSizeH(graph, seriesNameFontMetrics);
|
||||
|
||||
if (legendSizeW > graphWidth / 3d || legendSizeH > graphHeight / 2.5d) {
|
||||
var newFontSizeW = (float) (seriesNameFont.getSize() * ((graphWidth / 3d) / legendSizeW));
|
||||
var newFontSizeH = (float) (seriesNameFont.getSize() * ((graphHeight / 2.5d) / legendSizeH));
|
||||
seriesNameFont = seriesNameFont.deriveFont(Math.min(newFontSizeW, newFontSizeH));
|
||||
seriesNameFontMetrics = graphics2D.getFontMetrics(seriesNameFont);
|
||||
}
|
||||
}
|
||||
|
||||
var xLabels = getXLabels(graph, graphWidth, valuesFontMetrics, scaleX);
|
||||
|
||||
RasterSize yAxisNameCenterOffset = new RasterSize(valuesFontMetrics.getHeight(), valuesFontMetrics.getHeight()
|
||||
// Add half of graph height
|
||||
+ graphHeight / 2);
|
||||
|
||||
RasterSize yValuesOffset = new RasterSize(leftPadding
|
||||
// Add y axis name "90deg height"
|
||||
+ yAxisNameWidth
|
||||
// Add the space between the values and the axis name
|
||||
+ yValuesToYAxisNamePadding, topPadding);
|
||||
|
||||
RasterSize graphOffset = new RasterSize(leftPadding
|
||||
+ yAxisNameWidth
|
||||
+ yValuesToYAxisNamePadding
|
||||
+ yValuesWidth
|
||||
+ yValueLineLength, topPadding);
|
||||
RasterSize xValuesOffset = new RasterSize(graphOffset.width(), xValueLineOffset + xValueLineLength);
|
||||
|
||||
RasterSize xAxisNameCenterOffset = new RasterSize(leftPadding
|
||||
+ yAxisNameWidth
|
||||
+ yValuesToYAxisNamePadding
|
||||
+ yValuesWidth
|
||||
+ yValueLineLength
|
||||
// Add half of graph width
|
||||
+ graphWidth / 2, topPadding
|
||||
// Add graph height
|
||||
+ graphHeight
|
||||
// Add the x value lines length
|
||||
+ xValueLineLength
|
||||
// Add the x values height
|
||||
+ xValuesHeight
|
||||
// Add the space between the values and the axis name
|
||||
+ xValuesToXAxisNamePadding
|
||||
// Add x-axis half name height
|
||||
+ axisNameFontMetrics.getHeight() / 2d);
|
||||
|
||||
RasterSize graphSize = new RasterSize(graphWidth, graphHeight);
|
||||
|
||||
var bgColor = graph.style().colors().background().toColor();
|
||||
var fgColor = graph.style().colors().foreground().toColor();
|
||||
var strokeWidth = graph.style().strokeWidth();
|
||||
var defaultStroke = new BasicStroke((float) strokeWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, BasicStroke.JOIN_MITER);
|
||||
|
||||
try {
|
||||
graphics2D.setBackground(bgColor);
|
||||
graphics2D.clearRect(0, 0, (int) totalSize.width(), (int) totalSize.height());
|
||||
|
||||
if (graphHeight < 0) {
|
||||
return;
|
||||
}
|
||||
if (graphWidth < 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
renderGraphBorders(graphics2D, graph, graphOffset, graphSize, defaultStroke);
|
||||
if (y.show()) {
|
||||
renderYAxisName(graphics2D, graph, yAxisNameCenterOffset, axisNameFont, axisNameFontMetrics);
|
||||
}
|
||||
if (x.show()) {
|
||||
renderXAxisName(graphics2D, graph, xAxisNameCenterOffset, axisNameFont, axisNameFontMetrics);
|
||||
}
|
||||
renderYAxisValueLabels(graphics2D,
|
||||
graph,
|
||||
valuesFont,
|
||||
valuesFontMetrics,
|
||||
yValueLineOffset,
|
||||
yValueLineLength,
|
||||
yLabels,
|
||||
yLabelsAreaSize,
|
||||
yValuesOffset,
|
||||
defaultStroke
|
||||
);
|
||||
renderXAxisValueLabels(graphics2D,
|
||||
graph,
|
||||
valuesFont,
|
||||
valuesFontMetrics,
|
||||
xValueLineOffset,
|
||||
xValueLineLength,
|
||||
xLabels, xValuesOffset,
|
||||
defaultStroke
|
||||
);
|
||||
|
||||
|
||||
var seriesGraphics2D = (Graphics2D) graphics2D.create();
|
||||
seriesGraphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
|
||||
try {
|
||||
seriesGraphics2D.setClip(new Rectangle2D.Double(graphOffset.width() - defaultStroke.getLineWidth(),
|
||||
graphOffset.height() - defaultStroke.getLineWidth(),
|
||||
graphSize.width() + defaultStroke.getLineWidth() * 2d,
|
||||
graphSize.height() + defaultStroke.getLineWidth() * 2d
|
||||
));
|
||||
|
||||
var zeroLineStroke = new BasicStroke((float) strokeWidth,
|
||||
BasicStroke.CAP_ROUND,
|
||||
BasicStroke.JOIN_ROUND,
|
||||
10.0f,
|
||||
new float[]{2.0f, 3.0f},
|
||||
0.0f
|
||||
);
|
||||
var zeroLineColor = graph.style().colors().foreground().multiplyOpacity(0.5f).toColor();
|
||||
|
||||
if ((graphBounds.minY() < 0 && graphBounds.maxY() > 0)
|
||||
|| (graphBounds.minY() > 0 && graphBounds.maxY() < 0)) {
|
||||
double rasterZeroY = graphOffset.height() + graphSize.height()
|
||||
- ((-graphBounds.minY()) / (graphBounds.maxY() - graphBounds.minY())) * graphSize.height();
|
||||
seriesGraphics2D.setColor(zeroLineColor);
|
||||
seriesGraphics2D.setStroke(zeroLineStroke);
|
||||
seriesGraphics2D.draw(new Line2D.Double(graphOffset.width(),
|
||||
rasterZeroY,
|
||||
graphOffset.width() + graphWidth,
|
||||
rasterZeroY
|
||||
));
|
||||
}
|
||||
if ((graphBounds.minX() < 0 && graphBounds.maxX() > 0)
|
||||
|| (graphBounds.minX() > 0 && graphBounds.maxX() < 0)) {
|
||||
double rasterZeroX = graphOffset.width()
|
||||
+ ((-graphBounds.minX()) / (graphBounds.maxX() - graphBounds.minX())) * graphSize.width();
|
||||
seriesGraphics2D.setColor(zeroLineColor);
|
||||
seriesGraphics2D.setStroke(zeroLineStroke);
|
||||
seriesGraphics2D.draw(new Line2D.Double(
|
||||
rasterZeroX,
|
||||
graphOffset.height(),
|
||||
rasterZeroX,
|
||||
graphOffset.height() + graphHeight
|
||||
));
|
||||
}
|
||||
|
||||
int i = 0;
|
||||
for (SeriesData series : graph.data().series()) {
|
||||
var seriesStyleSize = graph.style().seriesStyles().size();
|
||||
if (graph.style().seriesStyles().isEmpty()) {
|
||||
throw new IllegalArgumentException("No styles found");
|
||||
}
|
||||
SeriesStyle style = graph.style().seriesStyles().get(i % seriesStyleSize);
|
||||
BasicStroke seriesStroke = getSeriesStroke(style, strokeWidth);
|
||||
BasicStroke seriesPointsStroke = getSeriesPointsStroke(style, strokeWidth);
|
||||
drawSeries(seriesGraphics2D, graphBounds,
|
||||
graphOffset,
|
||||
graphSize,
|
||||
series,
|
||||
style,
|
||||
seriesStroke,
|
||||
seriesPointsStroke
|
||||
);
|
||||
i++;
|
||||
}
|
||||
} finally {
|
||||
seriesGraphics2D.dispose();
|
||||
}
|
||||
|
||||
if (graph.style().showLegend()) {
|
||||
drawSeriesLegend(graphics2D,
|
||||
graph,
|
||||
graphOffset,
|
||||
graphSize,
|
||||
seriesNameFont,
|
||||
seriesNameFontMetrics,
|
||||
defaultStroke,
|
||||
fgColor,
|
||||
strokeWidth
|
||||
);
|
||||
}
|
||||
} finally {
|
||||
graphics2D.dispose();
|
||||
}
|
||||
}
|
||||
|
||||
private static void drawSeriesLegend(Graphics2D graphics2D,
|
||||
Graph graph,
|
||||
RasterSize graphOffset,
|
||||
RasterSize graphSize,
|
||||
Font seriesNameFont,
|
||||
FontMetrics seriesNameFontMetrics,
|
||||
BasicStroke defaultStroke,
|
||||
Color fgColor,
|
||||
double strokeWidth) {
|
||||
double seriesPadding = getSeriesPadding(seriesNameFontMetrics);
|
||||
double seriesMargin = getSeriesMargin(seriesNameFontMetrics);
|
||||
double seriesPreviewLineWidth = seriesNameFontMetrics.getHeight() * 2;
|
||||
double singleSeriesHeight = seriesNameFontMetrics.getHeight();
|
||||
|
||||
double legendSizeW = getLegendSizeW(graph, seriesNameFontMetrics);
|
||||
double legendSizeH = getLegendSizeH(graph, seriesNameFontMetrics);
|
||||
|
||||
double legendOffsetX = graphOffset.width()
|
||||
+ graphSize.width()
|
||||
- seriesMargin
|
||||
- legendSizeW;
|
||||
double legendOffsetY = graphOffset.height()
|
||||
+ seriesMargin;
|
||||
|
||||
var legendRect = new Rectangle2D.Double(legendOffsetX, legendOffsetY, legendSizeW, legendSizeH);
|
||||
|
||||
graphics2D.setStroke(defaultStroke);
|
||||
|
||||
graphics2D.setColor(graph.style().colors().background().multiplyOpacity(0.75f).toColor());
|
||||
graphics2D.fill(legendRect);
|
||||
graphics2D.setColor(fgColor);
|
||||
graphics2D.draw(legendRect);
|
||||
|
||||
int i = 0;
|
||||
for (SeriesData series : graph.data().series()) {
|
||||
var seriesStyleSize = graph.style().seriesStyles().size();
|
||||
if (graph.style().seriesStyles().isEmpty()) {
|
||||
throw new IllegalArgumentException("No styles found");
|
||||
}
|
||||
SeriesStyle style = graph.style().seriesStyles().get(i % seriesStyleSize);
|
||||
|
||||
var seriesName = series.name();
|
||||
var stroke = new BasicStroke((float) (strokeWidth * 2f), BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER);
|
||||
graphics2D.setColor(style.color().overrideOpacity(1.0f).toColor());
|
||||
graphics2D.setStroke(stroke);
|
||||
var lineOffsetX = legendOffsetX + seriesPadding;
|
||||
var currentOffsetY = legendOffsetY + seriesPadding / 2d
|
||||
+ i * (seriesPadding / 2d + singleSeriesHeight + seriesPadding / 2d)
|
||||
+ seriesPadding / 2d;
|
||||
var lineOffsetY = currentOffsetY + singleSeriesHeight / 2d;
|
||||
graphics2D.draw(new Line2D.Double(lineOffsetX, lineOffsetY, lineOffsetX + seriesPreviewLineWidth, lineOffsetY));
|
||||
var textOffsetX = lineOffsetX + seriesPreviewLineWidth + seriesPadding;
|
||||
var textOffsetY = currentOffsetY + seriesNameFontMetrics.getAscent();
|
||||
graphics2D.setColor(fgColor);
|
||||
graphics2D.setFont(seriesNameFont);
|
||||
graphics2D.fill(generateShapeFromText(graphics2D, seriesName, textOffsetX, textOffsetY));
|
||||
i++;
|
||||
}
|
||||
}
|
||||
|
||||
private static double getSeriesMargin(FontMetrics seriesNameFontMetrics) {
|
||||
return seriesNameFontMetrics.getHeight() * 2d / 3d;
|
||||
}
|
||||
|
||||
private static double getLegendSizeW(Graph graph, FontMetrics seriesNameFontMetrics) {
|
||||
double seriesPadding = getSeriesPadding(seriesNameFontMetrics);
|
||||
double seriesTextMaxWidth = getSeriesTextMaxWidth(graph, seriesNameFontMetrics);
|
||||
double seriesPreviewLineWidth = seriesNameFontMetrics.getHeight() * 2;
|
||||
return seriesPadding
|
||||
+ seriesTextMaxWidth
|
||||
+ seriesPadding
|
||||
+ seriesPreviewLineWidth
|
||||
+ seriesPadding;
|
||||
}
|
||||
|
||||
private static double getSeriesPadding(FontMetrics seriesNameFontMetrics) {
|
||||
return seriesNameFontMetrics.getHeight() / 3d;
|
||||
}
|
||||
|
||||
private static double getLegendSizeH(Graph graph, FontMetrics seriesNameFontMetrics) {
|
||||
int seriesCount = graph.data().series().size();
|
||||
double seriesPadding = getSeriesPadding(seriesNameFontMetrics);
|
||||
double singleSeriesHeight = seriesNameFontMetrics.getHeight();
|
||||
return seriesPadding / 2d
|
||||
+ seriesCount * (seriesPadding / 2d + singleSeriesHeight + seriesPadding / 2d)
|
||||
+ seriesPadding / 2d;
|
||||
}
|
||||
|
||||
private static double getSeriesTextMaxWidth(Graph graph, FontMetrics seriesNameFontMetrics) {
|
||||
double seriesTextMaxWidth = 0;
|
||||
for (SeriesData series : graph.data().series()) {
|
||||
var seriesName = series.name();
|
||||
var seriesNameRasterWidth = seriesNameFontMetrics.stringWidth(seriesName);
|
||||
if (seriesTextMaxWidth < seriesNameRasterWidth) {
|
||||
seriesTextMaxWidth = seriesNameRasterWidth;
|
||||
}
|
||||
}
|
||||
return seriesTextMaxWidth;
|
||||
}
|
||||
|
||||
private static void drawSeries(Graphics2D seriesGraphics2D,
|
||||
GraphBounds graphBounds,
|
||||
RasterSize graphOffset,
|
||||
RasterSize graphSize,
|
||||
SeriesData series,
|
||||
SeriesStyle style,
|
||||
BasicStroke seriesStroke,
|
||||
BasicStroke seriesPointsStroke) {
|
||||
var lineColor = style.color().toColor();
|
||||
var areaColor = style.color().multiplyOpacity((float) style.areaOpacity()).toColor();
|
||||
var points = new java.awt.geom.Point2D.Double[series.vertices().size()];
|
||||
|
||||
double rasterMinY = graphOffset.height() + graphSize.height()
|
||||
- ((0 - graphBounds.minY()) / (graphBounds.maxY() - graphBounds.minY())) * graphSize.height();
|
||||
int i = 0;
|
||||
for (Vertex vertex : series.vertices()) {
|
||||
double rasterX = graphOffset.width()
|
||||
+ ((vertex.x() - graphBounds.minX()) / (graphBounds.maxX() - graphBounds.minX())) * graphSize.width();
|
||||
double rasterY = graphOffset.height() + graphSize.height()
|
||||
- ((vertex.y() - graphBounds.minY()) / (graphBounds.maxY() - graphBounds.minY())) * graphSize.height();
|
||||
points[i] = new java.awt.geom.Point2D.Double(rasterX, rasterY);
|
||||
i++;
|
||||
}
|
||||
// Sort points if it's a function
|
||||
if (series.isFunction()) {
|
||||
Arrays.sort(points, Comparator.comparingDouble(Point2D.Double::getX));
|
||||
}
|
||||
|
||||
seriesGraphics2D.setStroke(seriesPointsStroke);
|
||||
if (style.pointsWeight() != 0) {
|
||||
seriesGraphics2D.setColor(lineColor);
|
||||
for (var point : points) {
|
||||
seriesGraphics2D.fill(new Ellipse2D.Double(point.getX() - seriesPointsStroke.getLineWidth(),
|
||||
point.getY() - seriesPointsStroke.getLineWidth(),
|
||||
seriesPointsStroke.getLineWidth() * 2f,
|
||||
seriesPointsStroke.getLineWidth() * 2f
|
||||
) {});
|
||||
}
|
||||
}
|
||||
if (style.lineWeight() != 0 || style.areaOpacity() > 0d) {
|
||||
if (style.smoothness() > 0d && points.length >= 3) {
|
||||
var mPath = new GeneralPath(Path2D.WIND_NON_ZERO, points.length);
|
||||
var areaPath = new GeneralPath(Path2D.WIND_NON_ZERO, points.length);
|
||||
|
||||
if (series.isFunction()) {
|
||||
areaPath.moveTo(points[0].x, rasterMinY);
|
||||
mPath.moveTo(points[0].x, points[0].y);
|
||||
areaPath.lineTo(points[0].x, points[0].y);
|
||||
} else {
|
||||
areaPath.moveTo(points[0].x, points[0].y);
|
||||
mPath.moveTo(points[0].x, points[0].y);
|
||||
}
|
||||
|
||||
double SMOOTHNESS = style.smoothness() / 2d; // higher is smoother, but don't go over 0.5
|
||||
|
||||
if (!series.isFunction()) {
|
||||
Point2D.Double[] bezierPoints;
|
||||
final boolean closedPath = Objects.equals(points[points.length - 1], points[0]);
|
||||
if (closedPath) {
|
||||
bezierPoints = new Point2D.Double[points.length + 2];
|
||||
bezierPoints[0] = points[points.length - 2];
|
||||
System.arraycopy(points, 0, bezierPoints, 1, points.length);
|
||||
bezierPoints[bezierPoints.length - 1] = points[1];
|
||||
} else {
|
||||
bezierPoints = points;
|
||||
}
|
||||
var bez = new Bezier(bezierPoints);
|
||||
Point2D[] b = bez.getPoints();
|
||||
|
||||
if (!closedPath) {
|
||||
mPath.quadTo(b[0].getX(), b[0].getY(), bezierPoints[1].x, bezierPoints[1].getY());
|
||||
areaPath.quadTo(b[0].getX(), b[0].getY(), bezierPoints[1].x, bezierPoints[1].getY());
|
||||
}
|
||||
|
||||
for (int w = 2; w < bezierPoints.length - 1; w++) {
|
||||
Point2D b0 = b[2 * w - 3];
|
||||
Point2D b1 = b[2 * w - 2];
|
||||
double cp1X = b0.getX();
|
||||
double cp1Y = b0.getY();
|
||||
double cp2X = b1.getX();
|
||||
double cp2Y = b1.getY();
|
||||
double endPointX = bezierPoints[w].getX();
|
||||
double endPointY = bezierPoints[w].getY();
|
||||
mPath.curveTo(cp1X, cp1Y, cp2X, cp2Y, endPointX, endPointY);
|
||||
areaPath.curveTo(cp1X, cp1Y, cp2X, cp2Y, endPointX, endPointY);
|
||||
}
|
||||
|
||||
if (!closedPath) {
|
||||
mPath.quadTo(b[b.length - 1].getX(),
|
||||
b[b.length - 1].getY(),
|
||||
bezierPoints[bezierPoints.length - 1].x,
|
||||
bezierPoints[bezierPoints.length - 1].getY()
|
||||
);
|
||||
areaPath.quadTo(b[b.length - 1].getX(),
|
||||
b[b.length - 1].getY(),
|
||||
bezierPoints[bezierPoints.length - 1].x,
|
||||
bezierPoints[bezierPoints.length - 1].getY()
|
||||
);
|
||||
}
|
||||
} else {
|
||||
// calculate smooth path
|
||||
double lX = 0, lY = 0;
|
||||
int size = points.length;
|
||||
for (int pointIndex=1; pointIndex<size; pointIndex++) {
|
||||
java.awt.geom.Point2D.Double p = points[pointIndex]; // current point
|
||||
|
||||
// first control point
|
||||
var p0 = points[pointIndex-1]; // previous point
|
||||
double d0 = Math.sqrt(Math.pow(p.x - p0.x, 2)+Math.pow(p.y-p0.y, 2)); // distance between p and p0
|
||||
double x1 = Math.min(p0.x + lX*d0, (p0.x + p.x)/2); // min is used to avoid going too much right
|
||||
double y1 = p0.y + lY*d0;
|
||||
|
||||
// second control point
|
||||
var p1 = points[pointIndex+1 < size ? pointIndex+1 : pointIndex]; // next point
|
||||
double d1 = Math.sqrt(Math.pow(p1.x - p0.x, 2)+Math.pow(p1.y-p0.y, 2)); // distance between p1 and p0 (length of reference line)
|
||||
lX = (p1.x-p0.x)/d1*SMOOTHNESS; // (lX,lY) is the slope of the reference line
|
||||
lY = (p1.y-p0.y)/d1*SMOOTHNESS;
|
||||
double x2 = Math.max(p.x - lX*d0, (p0.x + p.x)/2); // max is used to avoid going too much left
|
||||
double y2 = p.y - lY*d0;
|
||||
|
||||
// add line
|
||||
mPath.curveTo(x1,y1,x2, y2, p.x, p.y);
|
||||
areaPath.curveTo(x1, y1, x2, y2, p.x, p.y);
|
||||
}
|
||||
}
|
||||
|
||||
if (series.isFunction()) {
|
||||
areaPath.lineTo(points[points.length - 1].x, rasterMinY);
|
||||
}
|
||||
areaPath.closePath();
|
||||
if (style.areaOpacity() > 0d) {
|
||||
seriesGraphics2D.setColor(areaColor);
|
||||
seriesGraphics2D.fill(areaPath);
|
||||
}
|
||||
if (style.lineWeight() != 0) {
|
||||
seriesGraphics2D.setStroke(seriesStroke);
|
||||
seriesGraphics2D.setColor(lineColor);
|
||||
seriesGraphics2D.draw(mPath);
|
||||
}
|
||||
} else {
|
||||
var areaPath = new Path2D.Double();
|
||||
var path = new Path2D.Double();
|
||||
if (points.length > 0) {
|
||||
areaPath.moveTo(points[0].x, rasterMinY);
|
||||
}
|
||||
boolean first = true;
|
||||
for (Point2D.Double point : points) {
|
||||
if (first) {
|
||||
path.moveTo(point.getX(), point.getY());
|
||||
first = false;
|
||||
} else {
|
||||
path.lineTo(point.getX(), point.getY());
|
||||
}
|
||||
areaPath.lineTo(point.getX(), point.getY());
|
||||
}
|
||||
if (points.length > 0) {
|
||||
areaPath.moveTo(points[points.length - 1].x, rasterMinY);
|
||||
areaPath.closePath();
|
||||
}
|
||||
if (style.areaOpacity() > 0d) {
|
||||
seriesGraphics2D.setStroke(seriesStroke);
|
||||
seriesGraphics2D.setColor(areaColor);
|
||||
seriesGraphics2D.fill(areaPath);
|
||||
}
|
||||
if (style.lineWeight() != 0) {
|
||||
seriesGraphics2D.setStroke(seriesStroke);
|
||||
seriesGraphics2D.setColor(lineColor);
|
||||
seriesGraphics2D.draw(path);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static BasicStroke getSeriesStroke(SeriesStyle seriesStyle, double defaultStrokeWidth) {
|
||||
return new BasicStroke((float) (defaultStrokeWidth * seriesStyle.lineWeight()),
|
||||
BasicStroke.CAP_ROUND,
|
||||
BasicStroke.JOIN_ROUND
|
||||
);
|
||||
}
|
||||
|
||||
private static BasicStroke getSeriesPointsStroke(SeriesStyle seriesStyle, double defaultStrokeWidth) {
|
||||
return new BasicStroke((float) (defaultStrokeWidth * 2d * seriesStyle.pointsWeight()),
|
||||
BasicStroke.CAP_ROUND,
|
||||
BasicStroke.JOIN_ROUND
|
||||
);
|
||||
}
|
||||
|
||||
private static void renderYAxisName(Graphics2D graphics2D,
|
||||
Graph graph,
|
||||
RasterSize yAxisNameCenterOffset,
|
||||
Font axisNameFont,
|
||||
FontMetrics axisNameFontMetrics) {
|
||||
var fgColor = graph.style().colors().foreground().toColor();
|
||||
graphics2D.setColor(fgColor);
|
||||
graphics2D.setFont(axisNameFont);
|
||||
|
||||
var title = graph.style().y().title();
|
||||
|
||||
var previousTransform = graphics2D.getTransform();
|
||||
graphics2D.rotate(Math.toRadians(-90),
|
||||
yAxisNameCenterOffset.width(),
|
||||
yAxisNameCenterOffset.height()
|
||||
);
|
||||
graphics2D.fill(generateShapeFromText(graphics2D,
|
||||
title,
|
||||
yAxisNameCenterOffset.width() - axisNameFontMetrics.stringWidth(title) / 2d,
|
||||
yAxisNameCenterOffset.height() + axisNameFontMetrics.getHeight() / 2d - axisNameFontMetrics.getDescent()
|
||||
));
|
||||
graphics2D.setTransform(previousTransform);
|
||||
}
|
||||
|
||||
private static void renderYAxisValueLabels(Graphics2D graphics2D,
|
||||
Graph graph,
|
||||
Font valuesFont,
|
||||
FontMetrics valuesFontMetrics,
|
||||
double yValueLineOffset,
|
||||
int yValueLineLength,
|
||||
List<LabelWithOffset> yLabels,
|
||||
RasterSize yLabelsAreaSize,
|
||||
RasterSize yValuesOffset,
|
||||
BasicStroke defaultStroke) {
|
||||
graphics2D.setFont(valuesFont);
|
||||
graphics2D.setStroke(defaultStroke);
|
||||
graphics2D.setColor(graph.style().colors().foreground().toColor());
|
||||
yLabels.forEach(label -> {
|
||||
var lineStartOffsetY = yValuesOffset.height() + label.rasterOffset();
|
||||
var currentLineOffsetX = label.formattedText().isBlank() ? yValueLineLength / 3d : 0;
|
||||
var currentLineLength = yValueLineLength + (label.formattedText().isBlank() ? -yValueLineLength / 3d : 0);
|
||||
graphics2D.draw(new Line2D.Double(yValueLineOffset + currentLineOffsetX,
|
||||
lineStartOffsetY,
|
||||
yValueLineOffset + currentLineOffsetX + currentLineLength,
|
||||
lineStartOffsetY
|
||||
));
|
||||
graphics2D.fill(generateShapeFromText(graphics2D,
|
||||
label.formattedText(),
|
||||
yValuesOffset.width() + yLabelsAreaSize.width() - valuesFontMetrics.stringWidth(label.formattedText()),
|
||||
yValuesOffset.height() + label.rasterOffset() + valuesFontMetrics.getHeight() / 2d - valuesFontMetrics.getDescent()
|
||||
));
|
||||
});
|
||||
}
|
||||
|
||||
private static void renderXAxisName(Graphics2D graphics2D,
|
||||
Graph graph,
|
||||
RasterSize xAxisNameCenterOffset,
|
||||
Font axisNameFont,
|
||||
FontMetrics axisNameFontMetrics) {
|
||||
var fgColor = graph.style().colors().foreground().toColor();
|
||||
graphics2D.setColor(fgColor);
|
||||
graphics2D.setFont(axisNameFont);
|
||||
|
||||
var title = graph.style().x().title();
|
||||
|
||||
graphics2D.fill(generateShapeFromText(graphics2D,
|
||||
title,
|
||||
xAxisNameCenterOffset.width() - axisNameFontMetrics.stringWidth(title) / 2d,
|
||||
xAxisNameCenterOffset.height() + axisNameFontMetrics.getHeight() / 2d - axisNameFontMetrics.getDescent()
|
||||
));
|
||||
}
|
||||
|
||||
private static void renderXAxisValueLabels(Graphics2D graphics2D,
|
||||
Graph graph,
|
||||
Font valuesFont,
|
||||
FontMetrics valuesFontMetrics,
|
||||
double xValueLineOffset,
|
||||
int xValueLineLength,
|
||||
List<LabelWithOffset> xLabels,
|
||||
RasterSize xValuesOffset,
|
||||
BasicStroke defaultStroke) {
|
||||
graphics2D.setFont(valuesFont);
|
||||
graphics2D.setStroke(defaultStroke);
|
||||
graphics2D.setColor(graph.style().colors().foreground().toColor());
|
||||
xLabels.forEach(label -> {
|
||||
var lineStartOffsetX = xValuesOffset.width() + label.rasterOffset();
|
||||
var currentLineLength = label.formattedText().isBlank() ? xValueLineLength / 1.5d : xValueLineLength;
|
||||
//noinspection SuspiciousNameCombination
|
||||
graphics2D.draw(new Line2D.Double(lineStartOffsetX, xValueLineOffset, lineStartOffsetX, xValueLineOffset + currentLineLength));
|
||||
graphics2D.fill(generateShapeFromText(graphics2D,
|
||||
label.formattedText(),
|
||||
xValuesOffset.width() + label.rasterOffset() - valuesFontMetrics.stringWidth(label.formattedText()) / 2d,
|
||||
xValuesOffset.height() + valuesFontMetrics.getHeight()
|
||||
));
|
||||
});
|
||||
}
|
||||
|
||||
private static void renderGraphBorders(Graphics2D graphics2D,
|
||||
Graph graph,
|
||||
RasterSize graphOffset,
|
||||
RasterSize graphSize,
|
||||
BasicStroke defaultStroke) {
|
||||
var fgColor = graph.style().colors().foreground().toColor();
|
||||
graphics2D.setColor(fgColor);
|
||||
graphics2D.setStroke(defaultStroke);
|
||||
graphics2D.draw(new Rectangle2D.Double(graphOffset.width(),
|
||||
graphOffset.height(),
|
||||
graphSize.width(),
|
||||
graphSize.height()
|
||||
));
|
||||
}
|
||||
|
||||
private static RasterSize computeYLabelsAreaSize(double graphHeight, FontMetrics valuesFontMetrics, List<LabelWithOffset> yLabels) {
|
||||
double maxLabelWidth = 0d;
|
||||
for (LabelWithOffset yLabel : yLabels) {
|
||||
var currentMaxLabelWidth = valuesFontMetrics.stringWidth(yLabel.formattedText);
|
||||
if (currentMaxLabelWidth > maxLabelWidth) {
|
||||
maxLabelWidth = currentMaxLabelWidth;
|
||||
}
|
||||
}
|
||||
|
||||
return new RasterSize(maxLabelWidth, graphHeight);
|
||||
}
|
||||
|
||||
record LabelWithOffset(double value, double rasterOffset, String formattedText) {}
|
||||
|
||||
/**
|
||||
* @return rendered labels
|
||||
*/
|
||||
private static List<LabelWithOffset> getXLabels(Graph graph,
|
||||
double labelsAreaWidth,
|
||||
FontMetrics valuesFontMetrics,
|
||||
NiceScale scaleX) {
|
||||
var bounds = graph.data().bounds();
|
||||
var minX = bounds.minX();
|
||||
var maxX = bounds.maxX();
|
||||
var format = graph.style().x().valueFormat();
|
||||
double singleRasterOffset = labelsAreaWidth / ((maxX - minX) / scaleX.getTickSpacing());
|
||||
|
||||
ArrayList<LabelWithOffset> labels = new ArrayList<>();
|
||||
|
||||
int i = 0;
|
||||
double prevRasterLabelEndOffset = -Double.MAX_VALUE;
|
||||
double currentRasterOffset = 0;
|
||||
double currentValue = minX;
|
||||
while (currentValue <= maxX && i < MAX_LABELS && (scaleX.getTickSpacing() > 0)) {
|
||||
var formatted = format.apply(currentValue);
|
||||
var stringWidth = valuesFontMetrics.stringWidth(formatted);
|
||||
if (currentRasterOffset - stringWidth / 2d > prevRasterLabelEndOffset) {
|
||||
labels.add(new LabelWithOffset(currentValue, currentRasterOffset, formatted));
|
||||
prevRasterLabelEndOffset = currentRasterOffset + stringWidth / 2d;
|
||||
} else {
|
||||
labels.add(new LabelWithOffset(currentValue, currentRasterOffset, ""));
|
||||
}
|
||||
|
||||
i++;
|
||||
currentValue = minX + i * scaleX.getTickSpacing();
|
||||
currentRasterOffset = i * singleRasterOffset;
|
||||
}
|
||||
return labels;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return rendered labels
|
||||
*/
|
||||
private static List<LabelWithOffset> getYLabels(Graph graph,
|
||||
double labelsAreaHeight,
|
||||
FontMetrics valuesFontMetrics,
|
||||
NiceScale scaleY) {
|
||||
var bounds = graph.data().bounds();
|
||||
var minY = bounds.minY();
|
||||
var maxY = bounds.maxY();
|
||||
var format = graph.style().y().valueFormat();
|
||||
double singleRasterOffset = labelsAreaHeight / ((maxY - minY) / scaleY.getTickSpacing());
|
||||
double stringTop = valuesFontMetrics.getAscent();
|
||||
double stringBottom = valuesFontMetrics.getDescent();
|
||||
|
||||
ArrayList<LabelWithOffset> labels = new ArrayList<>();
|
||||
|
||||
int i = 0;
|
||||
double prevRasterLabelEndOffset = Double.MAX_VALUE;
|
||||
double currentRasterOffset = labelsAreaHeight;
|
||||
double currentValue = minY;
|
||||
while (currentValue <= maxY && i < MAX_LABELS && (scaleY.getTickSpacing() > 0)) {
|
||||
if (currentRasterOffset + stringBottom < prevRasterLabelEndOffset) {
|
||||
labels.add(new LabelWithOffset(currentValue, currentRasterOffset, format.apply(currentValue)));
|
||||
prevRasterLabelEndOffset = currentRasterOffset - stringTop;
|
||||
} else {
|
||||
labels.add(new LabelWithOffset(currentValue, currentRasterOffset, ""));
|
||||
}
|
||||
|
||||
i++;
|
||||
currentValue = minY + i * scaleY.getTickSpacing();
|
||||
currentRasterOffset = labelsAreaHeight - i * singleRasterOffset;
|
||||
}
|
||||
|
||||
return labels;
|
||||
}
|
||||
|
||||
public static Shape generateShapeFromText(Graphics2D graphics2D, String string, double x, double y) {
|
||||
GlyphVector vector = graphics2D.getFont().createGlyphVector(graphics2D.getFontRenderContext(), string);
|
||||
return vector.getOutline((float) x, (float) y);// - (float) vector.getVisualBounds().getY());
|
||||
}
|
||||
|
||||
public interface AWTDrawer {
|
||||
|
||||
void drawTo(Graphics2D graphics2D);
|
||||
}
|
||||
}
|
||||
118
src/main/java/it/cavallium/jlinegraph/Bezier.java
Normal file
118
src/main/java/it/cavallium/jlinegraph/Bezier.java
Normal file
|
|
@ -0,0 +1,118 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
/*
|
||||
* Copyright (c) 2005 David Benson
|
||||
*
|
||||
* See LICENSE file in distribution for licensing details of this source file
|
||||
*/
|
||||
|
||||
import java.awt.Point;
|
||||
import java.awt.geom.Point2D;
|
||||
|
||||
/**
|
||||
* Interpolates given points by a bezier curve. The first
|
||||
* and the last two points are interpolated by a quadratic
|
||||
* bezier curve; the other points by a cubic bezier curve.
|
||||
*
|
||||
* Let p a list of given points and b the calculated bezier points,
|
||||
* then one get the whole curve by:
|
||||
*
|
||||
* sharedPath.moveTo(p[0])
|
||||
* sharedPath.quadTo(b[0].x, b[0].getY(), p[1].x, p[1].getY());
|
||||
*
|
||||
* for(int i = 2; i < p.length - 1; i++ ) {
|
||||
* Point b0 = b[2*i-3];
|
||||
* Point b1 = b[2*i-2];
|
||||
* sharedPath.curveTo(b0.x, b0.getY(), b1.x, b1.getY(), p[i].x, p[i].getY());
|
||||
* }
|
||||
*
|
||||
* sharedPath.quadTo(b[b.length-1].x, b[b.length-1].getY(), p[n - 1].x, p[n - 1].getY());
|
||||
*
|
||||
* @author krueger
|
||||
*/
|
||||
public class Bezier {
|
||||
|
||||
private static final float AP = 0.5f;
|
||||
private Point2D[] bPoints;
|
||||
|
||||
/**
|
||||
* Creates a new Bezier curve.
|
||||
* @param points
|
||||
*/
|
||||
public Bezier(Point2D[] points) {
|
||||
int n = points.length;
|
||||
if (n < 3) {
|
||||
// Cannot create bezier with less than 3 points
|
||||
return;
|
||||
}
|
||||
bPoints = new Point[2 * (n - 2)];
|
||||
double paX, paY;
|
||||
double pbX = points[0].getX();
|
||||
double pbY = points[0].getY();
|
||||
double pcX = points[1].getX();
|
||||
double pcY = points[1].getY();
|
||||
for (int i = 0; i < n - 2; i++) {
|
||||
paX = pbX;
|
||||
paY = pbY;
|
||||
pbX = pcX;
|
||||
pbY = pcY;
|
||||
pcX = points[i + 2].getX();
|
||||
pcY = points[i + 2].getY();
|
||||
double abX = pbX - paX;
|
||||
double abY = pbY - paY;
|
||||
double acX = pcX - paX;
|
||||
double acY = pcY - paY;
|
||||
double lac = Math.sqrt(acX * acX + acY * acY);
|
||||
acX = acX /lac;
|
||||
acY = acY /lac;
|
||||
|
||||
double proj = abX * acX + abY * acY;
|
||||
proj = proj < 0 ? -proj : proj;
|
||||
double apX = proj * acX;
|
||||
double apY = proj * acY;
|
||||
|
||||
double p1X = pbX - AP * apX;
|
||||
double p1Y = pbY - AP * apY;
|
||||
bPoints[2 * i] = new Point((int) p1X, (int) p1Y);
|
||||
|
||||
acX = -acX;
|
||||
acY = -acY;
|
||||
double cbX = pbX - pcX;
|
||||
double cbY = pbY - pcY;
|
||||
proj = cbX * acX + cbY * acY;
|
||||
proj = proj < 0 ? -proj : proj;
|
||||
apX = proj * acX;
|
||||
apY = proj * acY;
|
||||
|
||||
double p2X = pbX - AP * apX;
|
||||
double p2Y = pbY - AP * apY;
|
||||
bPoints[2 * i + 1] = new Point((int) p2X, (int) p2Y);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the calculated bezier points.
|
||||
* @return the calculated bezier points
|
||||
*/
|
||||
public Point2D[] getPoints() {
|
||||
return bPoints;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the number of bezier points.
|
||||
* @return number of bezier points
|
||||
*/
|
||||
public int getPointCount() {
|
||||
return bPoints.length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the bezier points at position i.
|
||||
* @param i
|
||||
* @return the bezier point at position i
|
||||
*/
|
||||
public Point2D getPoint(int i) {
|
||||
return bPoints[i];
|
||||
}
|
||||
|
||||
}
|
||||
36
src/main/java/it/cavallium/jlinegraph/Color.java
Normal file
36
src/main/java/it/cavallium/jlinegraph/Color.java
Normal file
|
|
@ -0,0 +1,36 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
public record Color(float red, float green, float blue, float alpha) {
|
||||
|
||||
public Color {
|
||||
if (red < 0d || red > 1.0d) {
|
||||
throw new IndexOutOfBoundsException();
|
||||
}
|
||||
if (green < 0d || green > 1.0d) {
|
||||
throw new IndexOutOfBoundsException();
|
||||
}
|
||||
if (blue < 0d || blue > 1.0d) {
|
||||
throw new IndexOutOfBoundsException();
|
||||
}
|
||||
if (alpha < 0d || alpha > 1.0d) {
|
||||
throw new IndexOutOfBoundsException();
|
||||
}
|
||||
}
|
||||
|
||||
public static Color fromRGB(int rgb) {
|
||||
var col = new java.awt.Color(rgb);
|
||||
return new Color(col.getRed() / 255f, col.getGreen() / 255f, col.getBlue() / 255f, 1);
|
||||
}
|
||||
|
||||
public java.awt.Color toColor() {
|
||||
return new java.awt.Color(red, green, blue, alpha);
|
||||
}
|
||||
|
||||
public Color multiplyOpacity(float alpha) {
|
||||
return new Color(red, green, blue, this.alpha * alpha);
|
||||
}
|
||||
|
||||
public Color overrideOpacity(float alpha) {
|
||||
return new Color(red, green, blue, alpha);
|
||||
}
|
||||
}
|
||||
3
src/main/java/it/cavallium/jlinegraph/Graph.java
Normal file
3
src/main/java/it/cavallium/jlinegraph/Graph.java
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
public record Graph(String name, GraphData data, GraphStyle style) {}
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
import java.util.function.Function;
|
||||
|
||||
public record GraphAxisStyle(String title, boolean show, Function<Number, String> valueFormat) {}
|
||||
94
src/main/java/it/cavallium/jlinegraph/GraphBounds.java
Normal file
94
src/main/java/it/cavallium/jlinegraph/GraphBounds.java
Normal file
|
|
@ -0,0 +1,94 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public record GraphBounds(double minX, double minY, double maxX, double maxY) {
|
||||
|
||||
private static final GraphBounds EMPTY = new GraphBounds(0, 0, 0, 0);
|
||||
|
||||
public static GraphBounds fromSeriesData(List<SeriesData> seriesDataList,
|
||||
boolean includeOriginX,
|
||||
boolean includeOriginY) {
|
||||
var merged = merge(seriesDataList
|
||||
.stream()
|
||||
.map(bound -> fromSeriesData(bound, includeOriginX, includeOriginY))
|
||||
.toList());
|
||||
return adjustZero(merged, includeOriginX, includeOriginY);
|
||||
}
|
||||
|
||||
private static GraphBounds adjustZero(GraphBounds bounds, boolean showZeroX, boolean showZeroY) {
|
||||
double minX = bounds.minX();
|
||||
double minY = bounds.minY();
|
||||
double maxX = bounds.maxX();
|
||||
double maxY = bounds.maxY();
|
||||
if (showZeroY) {
|
||||
minY = Math.min(0, bounds.minY());
|
||||
maxY = Math.max(0, bounds.maxY());
|
||||
}
|
||||
if (showZeroX) {
|
||||
minX = Math.min(0, bounds.minX());
|
||||
maxX = Math.max(0, bounds.maxX());
|
||||
}
|
||||
return new GraphBounds(minX, minY, maxX, maxY);
|
||||
}
|
||||
|
||||
public static GraphBounds merge(List<GraphBounds> list) {
|
||||
double minX = Double.MAX_VALUE;
|
||||
double minY = Double.MAX_VALUE;
|
||||
double maxX = -Double.MAX_VALUE;
|
||||
double maxY = -Double.MAX_VALUE;
|
||||
boolean empty = true;
|
||||
for (GraphBounds graphBounds : list) {
|
||||
if (empty) {
|
||||
empty = false;
|
||||
}
|
||||
if (minX > graphBounds.minX()) {
|
||||
minX = graphBounds.minX();
|
||||
}
|
||||
if (maxX < graphBounds.maxX()) {
|
||||
maxX = graphBounds.maxX();
|
||||
}
|
||||
if (minY > graphBounds.minY()) {
|
||||
minY = graphBounds.minY();
|
||||
}
|
||||
if (maxY < graphBounds.maxY()) {
|
||||
maxY = graphBounds.maxY();
|
||||
}
|
||||
}
|
||||
if (empty) {
|
||||
return EMPTY;
|
||||
} else {
|
||||
return new GraphBounds(minX, minY, maxX, maxY);
|
||||
}
|
||||
}
|
||||
|
||||
public static GraphBounds fromSeriesData(SeriesData seriesData, boolean showZeroX, boolean showZeroY) {
|
||||
double minX = Double.MAX_VALUE;
|
||||
double minY = Double.MAX_VALUE;
|
||||
double maxX = -Double.MAX_VALUE;
|
||||
double maxY = -Double.MAX_VALUE;
|
||||
boolean empty = true;
|
||||
for (Vertex vertex : seriesData.vertices()) {
|
||||
if (empty) {
|
||||
empty = false;
|
||||
}
|
||||
if (minX > vertex.x()) {
|
||||
minX = vertex.x();
|
||||
}
|
||||
if (maxX < vertex.x()) {
|
||||
maxX = vertex.x();
|
||||
}
|
||||
if (minY > vertex.y()) {
|
||||
minY = vertex.y();
|
||||
}
|
||||
if (maxY < vertex.y()) {
|
||||
maxY = vertex.y();
|
||||
}
|
||||
}
|
||||
if (empty) {
|
||||
return EMPTY;
|
||||
} else {
|
||||
return adjustZero(new GraphBounds(minX, minY, maxX, maxY), showZeroX, showZeroY);
|
||||
}
|
||||
}
|
||||
}
|
||||
7
src/main/java/it/cavallium/jlinegraph/GraphColors.java
Normal file
7
src/main/java/it/cavallium/jlinegraph/GraphColors.java
Normal file
|
|
@ -0,0 +1,7 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
public record GraphColors(Color background, Color foreground) {
|
||||
|
||||
public static GraphColors DARK = new GraphColors(new Color(0.1f, 0.1f, 0.1f, 1f), new Color(0.9f, 0.9f, 0.9f, 1f));
|
||||
public static GraphColors LIGHT = new GraphColors(new Color(1.0f, 1.0f, 1.0f, 1f), new Color(0.0f, 0.0f, 0.0f, 1f));
|
||||
}
|
||||
10
src/main/java/it/cavallium/jlinegraph/GraphData.java
Normal file
10
src/main/java/it/cavallium/jlinegraph/GraphData.java
Normal file
|
|
@ -0,0 +1,10 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public record GraphData(List<SeriesData> series, GraphBounds bounds) {
|
||||
|
||||
public GraphData(List<SeriesData> series) {
|
||||
this(series, GraphBounds.fromSeriesData(series, false, false));
|
||||
}
|
||||
}
|
||||
3
src/main/java/it/cavallium/jlinegraph/GraphFonts.java
Normal file
3
src/main/java/it/cavallium/jlinegraph/GraphFonts.java
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
public record GraphFonts(double global, double axisName, double seriesName, double valueLabel) {}
|
||||
6
src/main/java/it/cavallium/jlinegraph/GraphStyle.java
Normal file
6
src/main/java/it/cavallium/jlinegraph/GraphStyle.java
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public record GraphStyle(List<SeriesStyle> seriesStyles, GraphAxisStyle x, GraphAxisStyle y, GraphColors colors,
|
||||
GraphFonts fonts, double strokeWidth, boolean showLegend) {}
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
public interface IGraphRenderer<T> {
|
||||
|
||||
T renderGraph(Graph graph, RasterSize size);
|
||||
}
|
||||
111
src/main/java/it/cavallium/jlinegraph/NiceScale.java
Normal file
111
src/main/java/it/cavallium/jlinegraph/NiceScale.java
Normal file
|
|
@ -0,0 +1,111 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
@SuppressWarnings("FieldCanBeLocal")
|
||||
public class NiceScale {
|
||||
|
||||
private double minPoint;
|
||||
private double maxPoint;
|
||||
private double maxTicks = 10;
|
||||
private double tickSpacing;
|
||||
private double range;
|
||||
private double niceMin;
|
||||
private double niceMax;
|
||||
|
||||
/**
|
||||
* Instantiates a new instance of the NiceScale class.
|
||||
*
|
||||
* @param min the minimum data point on the axis
|
||||
* @param max the maximum data point on the axis
|
||||
*/
|
||||
public NiceScale(double min, double max) {
|
||||
this.minPoint = min;
|
||||
this.maxPoint = max;
|
||||
calculate();
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate and update values for tick spacing and nice
|
||||
* minimum and maximum data points on the axis.
|
||||
*/
|
||||
private void calculate() {
|
||||
this.range = niceNum(maxPoint - minPoint, false);
|
||||
this.tickSpacing = niceNum(range / (maxTicks - 1), true);
|
||||
this.niceMin =
|
||||
Math.floor(minPoint / tickSpacing) * tickSpacing;
|
||||
this.niceMax =
|
||||
Math.ceil(maxPoint / tickSpacing) * tickSpacing;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a "nice" number approximately equal to range Rounds
|
||||
* the number if round = true Takes the ceiling if round = false.
|
||||
*
|
||||
* @param range the data range
|
||||
* @param round whether to round the result
|
||||
* @return a "nice" number to be used for the data range
|
||||
*/
|
||||
private double niceNum(double range, boolean round) {
|
||||
double exponent; /** exponent of range */
|
||||
double fraction; /** fractional part of range */
|
||||
double niceFraction; /** nice, rounded fraction */
|
||||
|
||||
exponent = Math.floor(Math.log10(range));
|
||||
fraction = range / Math.pow(10, exponent);
|
||||
|
||||
if (round) {
|
||||
if (fraction < 1.5)
|
||||
niceFraction = 1;
|
||||
else if (fraction < 3)
|
||||
niceFraction = 2;
|
||||
else if (fraction < 7)
|
||||
niceFraction = 5;
|
||||
else
|
||||
niceFraction = 10;
|
||||
} else {
|
||||
if (fraction <= 1)
|
||||
niceFraction = 1;
|
||||
else if (fraction <= 2)
|
||||
niceFraction = 2;
|
||||
else if (fraction <= 5)
|
||||
niceFraction = 5;
|
||||
else
|
||||
niceFraction = 10;
|
||||
}
|
||||
|
||||
return niceFraction * Math.pow(10, exponent);
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the minimum and maximum data points for the axis.
|
||||
*
|
||||
* @param minPoint the minimum data point on the axis
|
||||
* @param maxPoint the maximum data point on the axis
|
||||
*/
|
||||
public void setMinMaxPoints(double minPoint, double maxPoint) {
|
||||
this.minPoint = minPoint;
|
||||
this.maxPoint = maxPoint;
|
||||
calculate();
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets maximum number of tick marks we're comfortable with
|
||||
*
|
||||
* @param maxTicks the maximum number of tick marks for the axis
|
||||
*/
|
||||
public void setMaxTicks(double maxTicks) {
|
||||
this.maxTicks = maxTicks;
|
||||
calculate();
|
||||
}
|
||||
|
||||
public double getNiceMin() {
|
||||
return niceMin;
|
||||
}
|
||||
|
||||
public double getNiceMax() {
|
||||
return niceMax;
|
||||
}
|
||||
|
||||
public double getTickSpacing() {
|
||||
return tickSpacing;
|
||||
}
|
||||
}
|
||||
3
src/main/java/it/cavallium/jlinegraph/RasterSize.java
Normal file
3
src/main/java/it/cavallium/jlinegraph/RasterSize.java
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
public record RasterSize(double width, double height) {}
|
||||
5
src/main/java/it/cavallium/jlinegraph/SeriesData.java
Normal file
5
src/main/java/it/cavallium/jlinegraph/SeriesData.java
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public record SeriesData(List<Vertex> vertices, boolean isFunction, String name) {}
|
||||
19
src/main/java/it/cavallium/jlinegraph/SeriesStyle.java
Normal file
19
src/main/java/it/cavallium/jlinegraph/SeriesStyle.java
Normal file
|
|
@ -0,0 +1,19 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
public record SeriesStyle(Color color, double pointsWeight, double lineWeight, double areaOpacity, double smoothness) {
|
||||
|
||||
public SeriesStyle {
|
||||
if (pointsWeight != 0 && (pointsWeight < 1d || pointsWeight > 4.0d)) {
|
||||
throw new IndexOutOfBoundsException();
|
||||
}
|
||||
if (lineWeight != 0 && (lineWeight < 1d || lineWeight > 4.0d)) {
|
||||
throw new IndexOutOfBoundsException();
|
||||
}
|
||||
if (areaOpacity < 0d || areaOpacity > 1.0d) {
|
||||
throw new IndexOutOfBoundsException();
|
||||
}
|
||||
if (smoothness < 0d || smoothness > 1.0d) {
|
||||
throw new IndexOutOfBoundsException();
|
||||
}
|
||||
}
|
||||
}
|
||||
3
src/main/java/it/cavallium/jlinegraph/Vertex.java
Normal file
3
src/main/java/it/cavallium/jlinegraph/Vertex.java
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
package it.cavallium.jlinegraph;
|
||||
|
||||
public record Vertex(double x, double y) {}
|
||||
Loading…
Reference in New Issue
Block a user