package org.jeecg.common.config;
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import java.awt.BasicStroke;
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import java.awt.Color;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.Graphics2D;
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import java.awt.Paint;
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import java.awt.Point;
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import java.awt.Polygon;
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import java.awt.Rectangle;
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import java.awt.RenderingHints;
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import java.awt.Shape;
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import java.awt.Stroke;
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import java.awt.font.FontRenderContext;
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import java.awt.font.LineBreakMeasurer;
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import java.awt.font.TextAttribute;
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import java.awt.font.TextLayout;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.Ellipse2D;
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import java.awt.geom.Line2D;
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import java.awt.geom.Path2D;
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import java.awt.geom.PathIterator;
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import java.awt.geom.Rectangle2D;
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import java.awt.geom.RoundRectangle2D;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.text.AttributedCharacterIterator;
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import java.text.AttributedString;
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import java.util.ArrayList;
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import java.util.List;
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import javax.imageio.ImageIO;
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import org.activiti.bpmn.model.AssociationDirection;
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import org.activiti.bpmn.model.GraphicInfo;
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import org.activiti.engine.ActivitiException;
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import org.activiti.image.exception.ActivitiImageException;
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import org.activiti.image.util.ReflectUtil;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* activiti6流程图绘制
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*
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* @author liuxz
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*/
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public class CustomProcessDiagramCanvas {
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protected static final Logger LOGGER = LoggerFactory.getLogger(CustomProcessDiagramCanvas.class);
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public enum SHAPE_TYPE {
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Rectangle, Rhombus, Ellipse
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}
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protected static final int ARROW_WIDTH = 5;
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protected static final int CONDITIONAL_INDICATOR_WIDTH = 16;
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protected static final int DEFAULT_INDICATOR_WIDTH = 10;
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protected static final int MARKER_WIDTH = 12;
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protected static final int FONT_SIZE = 12;
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protected static final int FONT_SPACING = 2;
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protected static final int TEXT_PADDING = 3;
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protected static final int ANNOTATION_TEXT_PADDING = 7;
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protected static final int LINE_HEIGHT = FONT_SIZE + FONT_SPACING;
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/**
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* Colors
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*/
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protected static Color TASK_BOX_COLOR = new Color(249, 249, 249);
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protected static Color SUBPROCESS_BOX_COLOR = new Color(255, 255, 255);
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protected static Color EVENT_COLOR = new Color(255, 255, 255);
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protected static Color CONNECTION_COLOR = new Color(88, 88, 88);
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protected static Color CONDITIONAL_INDICATOR_COLOR = new Color(255, 255, 255);
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protected static Color RUNNING_HIGHLIGHT_COLOR = Color.RED;
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protected static Color HIGHLIGHT_COLOR = Color.GREEN;
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protected static Color LABEL_COLOR = new Color(112, 146, 190);
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// protected static Color LABEL_COLOR = Color.blue;
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protected static Color TASK_BORDER_COLOR = new Color(187, 187, 187);
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protected static Color EVENT_BORDER_COLOR = new Color(88, 88, 88);
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protected static Color SUBPROCESS_BORDER_COLOR = new Color(0, 0, 0);
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// Fonts
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protected static Font LABEL_FONT = new Font("微软雅黑", Font.ITALIC, 11);
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protected static Font ANNOTATION_FONT = new Font("Arial", Font.PLAIN, FONT_SIZE);
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protected static Font TASK_FONT = new Font("Arial", Font.PLAIN, FONT_SIZE);
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// Strokes
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//TODO 边框宽度修改
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//protected static Stroke THICK_TASK_BORDER_STROKE = new BasicStroke(3.0f);
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protected static Stroke THICK_TASK_BORDER_STROKE = new BasicStroke(2.0f);
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protected static Stroke GATEWAY_TYPE_STROKE = new BasicStroke(3.0f);
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protected static Stroke END_EVENT_STROKE = new BasicStroke(3.0f);
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protected static Stroke MULTI_INSTANCE_STROKE = new BasicStroke(1.3f);
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protected static Stroke EVENT_SUBPROCESS_STROKE = new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1.0f, new float[]{1.0f}, 0.0f);
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protected static Stroke NON_INTERRUPTING_EVENT_STROKE = new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1.0f, new float[]{4.0f, 3.0f}, 0.0f);
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protected static Stroke HIGHLIGHT_FLOW_STROKE = new BasicStroke(1.3f);
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protected static Stroke ANNOTATION_STROKE = new BasicStroke(2.0f);
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protected static Stroke ASSOCIATION_STROKE = new BasicStroke(2.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1.0f, new float[]{2.0f, 2.0f}, 0.0f);
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// icons
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protected static int ICON_PADDING = 5;
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protected static BufferedImage USERTASK_IMAGE;
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protected static BufferedImage SCRIPTTASK_IMAGE;
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protected static BufferedImage SERVICETASK_IMAGE;
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protected static BufferedImage RECEIVETASK_IMAGE;
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protected static BufferedImage SENDTASK_IMAGE;
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protected static BufferedImage MANUALTASK_IMAGE;
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protected static BufferedImage BUSINESS_RULE_TASK_IMAGE;
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protected static BufferedImage SHELL_TASK_IMAGE;
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protected static BufferedImage MULE_TASK_IMAGE;
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protected static BufferedImage CAMEL_TASK_IMAGE;
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protected static BufferedImage TIMER_IMAGE;
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protected static BufferedImage COMPENSATE_THROW_IMAGE;
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protected static BufferedImage COMPENSATE_CATCH_IMAGE;
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protected static BufferedImage ERROR_THROW_IMAGE;
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protected static BufferedImage ERROR_CATCH_IMAGE;
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protected static BufferedImage MESSAGE_THROW_IMAGE;
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protected static BufferedImage MESSAGE_CATCH_IMAGE;
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protected static BufferedImage SIGNAL_CATCH_IMAGE;
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protected static BufferedImage SIGNAL_THROW_IMAGE;
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protected int canvasWidth = -1;
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protected int canvasHeight = -1;
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protected int minX = -1;
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protected int minY = -1;
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protected BufferedImage processDiagram;
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protected Graphics2D g;
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protected FontMetrics fontMetrics;
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protected boolean closed;
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protected ClassLoader customClassLoader;
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protected String activityFontName = "Arial";
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protected String labelFontName = "Arial";
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/**
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* Creates an empty canvas with given width and height. Allows to specify minimal boundaries on the left and upper side of the canvas. This is useful for diagrams that have
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* white space there. Everything beneath these minimum values will be cropped. It's also possible to pass a specific font name and a class loader for the icon images.
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*/
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public CustomProcessDiagramCanvas(int width, int height, int minX, int minY, String imageType, String activityFontName, String labelFontName, ClassLoader customClassLoader) {
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this.canvasWidth = width;
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this.canvasHeight = height;
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this.minX = minX;
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this.minY = minY;
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if (activityFontName != null) {
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this.activityFontName = activityFontName;
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}
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if (labelFontName != null) {
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this.labelFontName = labelFontName;
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}
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this.customClassLoader = customClassLoader;
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initialize(imageType);
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}
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/**
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* Creates an empty canvas with given width and height. Allows to specify minimal boundaries on the left and upper side of the canvas. This is useful for diagrams that have
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* white space there (eg Signavio). Everything beneath these minimum values will be cropped.
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*
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* @param minX Hint that will be used when generating the image. Parts that fall below minX on the horizontal scale will be cropped.
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* @param minY Hint that will be used when generating the image. Parts that fall below minX on the horizontal scale will be cropped.
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*/
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public CustomProcessDiagramCanvas(int width, int height, int minX, int minY, String imageType) {
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this.canvasWidth = width;
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this.canvasHeight = height;
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this.minX = minX;
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this.minY = minY;
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initialize(imageType);
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}
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public void initialize(String imageType) {
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if ("png".equalsIgnoreCase(imageType)) {
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this.processDiagram = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_ARGB);
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} else {
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this.processDiagram = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_RGB);
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}
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this.g = processDiagram.createGraphics();
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if ("png".equalsIgnoreCase(imageType) == false) {
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this.g.setBackground(new Color(255, 255, 255, 0));
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this.g.clearRect(0, 0, canvasWidth, canvasHeight);
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}
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g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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g.setPaint(Color.black);
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Font font = new Font(activityFontName, Font.BOLD, FONT_SIZE);
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g.setFont(font);
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this.fontMetrics = g.getFontMetrics();
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// LABEL_FONT = new Font(labelFontName, Font.ITALIC, 10);
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try {
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USERTASK_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/userTask.png", customClassLoader));
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SCRIPTTASK_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/scriptTask.png", customClassLoader));
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SERVICETASK_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/serviceTask.png", customClassLoader));
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RECEIVETASK_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/receiveTask.png", customClassLoader));
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SENDTASK_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/sendTask.png", customClassLoader));
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MANUALTASK_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/manualTask.png", customClassLoader));
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BUSINESS_RULE_TASK_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/businessRuleTask.png", customClassLoader));
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SHELL_TASK_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/shellTask.png", customClassLoader));
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CAMEL_TASK_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/camelTask.png", customClassLoader));
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MULE_TASK_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/muleTask.png", customClassLoader));
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TIMER_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/timer.png", customClassLoader));
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COMPENSATE_THROW_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/compensate-throw.png", customClassLoader));
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COMPENSATE_CATCH_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/compensate.png", customClassLoader));
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ERROR_THROW_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/error-throw.png", customClassLoader));
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ERROR_CATCH_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/error.png", customClassLoader));
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MESSAGE_THROW_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/message-throw.png", customClassLoader));
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MESSAGE_CATCH_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/message.png", customClassLoader));
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SIGNAL_THROW_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/signal-throw.png", customClassLoader));
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SIGNAL_CATCH_IMAGE = ImageIO.read(ReflectUtil.getResource("org/activiti/icons/signal.png", customClassLoader));
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} catch (IOException e) {
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LOGGER.warn("Could not load image for process diagram creation: {}", e.getMessage());
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}
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}
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/**
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* Generates an image of what currently is drawn on the canvas. Throws an {@link ActivitiException} when {@link #close()} is already called.
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*/
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public InputStream generateImage(String imageType) {
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if (closed) {
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throw new ActivitiImageException("ProcessDiagramGenerator already closed");
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}
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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try {
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// Try to remove white space
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minX = (minX <= 5) ? 5 : minX;
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minY = (minY <= 5) ? 5 : minY;
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BufferedImage imageToSerialize = processDiagram;
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if (minX >= 0 && minY >= 0) {
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imageToSerialize = processDiagram.getSubimage(minX - 5, minY - 5, canvasWidth - minX + 5, canvasHeight - minY + 5);
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}
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ImageIO.write(imageToSerialize, imageType, out);
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} catch (IOException e) {
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throw new ActivitiImageException("Error while generating process image", e);
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} finally {
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try {
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if (out != null) {
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out.close();
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}
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} catch (IOException ignore) {
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// Exception is silently ignored
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}
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}
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return new ByteArrayInputStream(out.toByteArray());
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}
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/**
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* Generates an image of what currently is drawn on the canvas. Throws an {@link ActivitiException} when {@link #close()} is already called.
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*/
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public BufferedImage generateBufferedImage(String imageType) {
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if (closed) {
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throw new ActivitiImageException("ProcessDiagramGenerator already closed");
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}
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// Try to remove white space
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minX = (minX <= 5) ? 5 : minX;
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minY = (minY <= 5) ? 5 : minY;
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BufferedImage imageToSerialize = processDiagram;
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if (minX >= 0 && minY >= 0) {
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imageToSerialize = processDiagram.getSubimage(minX - 5, minY - 5, canvasWidth - minX + 5, canvasHeight - minY + 5);
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}
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return imageToSerialize;
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}
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/**
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* Closes the canvas which dissallows further drawing and releases graphical resources.
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*/
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public void close() {
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g.dispose();
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closed = true;
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}
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public void drawNoneStartEvent(GraphicInfo graphicInfo) {
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drawStartEvent(graphicInfo, null, 1.0);
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}
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public void drawTimerStartEvent(GraphicInfo graphicInfo, double scaleFactor) {
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drawStartEvent(graphicInfo, TIMER_IMAGE, scaleFactor);
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}
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public void drawSignalStartEvent(GraphicInfo graphicInfo, double scaleFactor) {
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drawStartEvent(graphicInfo, SIGNAL_CATCH_IMAGE, scaleFactor);
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}
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public void drawMessageStartEvent(GraphicInfo graphicInfo, double scaleFactor) {
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drawStartEvent(graphicInfo, MESSAGE_CATCH_IMAGE, scaleFactor);
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}
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public void drawStartEvent(GraphicInfo graphicInfo, BufferedImage image, double scaleFactor) {
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Paint originalPaint = g.getPaint();
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g.setPaint(EVENT_COLOR);
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Ellipse2D circle = new Ellipse2D.Double(graphicInfo.getX(), graphicInfo.getY(), graphicInfo.getWidth(), graphicInfo.getHeight());
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g.fill(circle);
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g.setPaint(EVENT_BORDER_COLOR);
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g.draw(circle);
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g.setPaint(originalPaint);
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if (image != null) {
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// calculate coordinates to center image
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int imageX = (int) Math.round(graphicInfo.getX() + (graphicInfo.getWidth() / 2) - (image.getWidth() / 2 * scaleFactor));
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int imageY = (int) Math.round(graphicInfo.getY() + (graphicInfo.getHeight() / 2) - (image.getHeight() / 2 * scaleFactor));
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g.drawImage(image, imageX, imageY, (int) (image.getWidth() / scaleFactor), (int) (image.getHeight() / scaleFactor), null);
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}
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}
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public void drawNoneEndEvent(GraphicInfo graphicInfo, double scaleFactor) {
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Paint originalPaint = g.getPaint();
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Stroke originalStroke = g.getStroke();
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g.setPaint(EVENT_COLOR);
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Ellipse2D circle = new Ellipse2D.Double(graphicInfo.getX(), graphicInfo.getY(), graphicInfo.getWidth(), graphicInfo.getHeight());
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g.fill(circle);
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g.setPaint(EVENT_BORDER_COLOR);
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if (scaleFactor == 1.0) {
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g.setStroke(END_EVENT_STROKE);
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} else {
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g.setStroke(new BasicStroke(2.0f));
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}
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g.draw(circle);
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g.setStroke(originalStroke);
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g.setPaint(originalPaint);
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}
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public void drawErrorEndEvent(String name, GraphicInfo graphicInfo, double scaleFactor) {
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drawErrorEndEvent(graphicInfo, scaleFactor);
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if (scaleFactor == 1.0) {
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drawLabel(name, graphicInfo);
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}
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}
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public void drawErrorEndEvent(GraphicInfo graphicInfo, double scaleFactor) {
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drawNoneEndEvent(graphicInfo, scaleFactor);
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g.drawImage(ERROR_THROW_IMAGE, (int) (graphicInfo.getX() + (graphicInfo.getWidth() / 4)), (int) (graphicInfo.getY() + (graphicInfo.getHeight() / 4)),
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(int) (ERROR_THROW_IMAGE.getWidth() / scaleFactor), (int) (ERROR_THROW_IMAGE.getHeight() / scaleFactor), null);
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}
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public void drawErrorStartEvent(GraphicInfo graphicInfo, double scaleFactor) {
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drawNoneStartEvent(graphicInfo);
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g.drawImage(ERROR_CATCH_IMAGE, (int) (graphicInfo.getX() + (graphicInfo.getWidth() / 4)), (int) (graphicInfo.getY() + (graphicInfo.getHeight() / 4)),
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(int) (ERROR_CATCH_IMAGE.getWidth() / scaleFactor), (int) (ERROR_CATCH_IMAGE.getHeight() / scaleFactor), null);
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}
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public void drawCatchingEvent(GraphicInfo graphicInfo, boolean isInterrupting, BufferedImage image, String eventType, double scaleFactor) {
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// event circles
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Ellipse2D outerCircle = new Ellipse2D.Double(graphicInfo.getX(), graphicInfo.getY(), graphicInfo.getWidth(), graphicInfo.getHeight());
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int innerCircleSize = (int) (4 / scaleFactor);
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if (innerCircleSize == 0) {
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innerCircleSize = 1;
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}
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int innerCircleX = (int) graphicInfo.getX() + innerCircleSize;
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int innerCircleY = (int) graphicInfo.getY() + innerCircleSize;
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int innerCircleWidth = (int) graphicInfo.getWidth() - (2 * innerCircleSize);
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int innerCircleHeight = (int) graphicInfo.getHeight() - (2 * innerCircleSize);
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Ellipse2D innerCircle = new Ellipse2D.Double(innerCircleX, innerCircleY, innerCircleWidth, innerCircleHeight);
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Paint originalPaint = g.getPaint();
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Stroke originalStroke = g.getStroke();
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g.setPaint(EVENT_COLOR);
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g.fill(outerCircle);
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g.setPaint(EVENT_BORDER_COLOR);
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if (isInterrupting == false) {
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g.setStroke(NON_INTERRUPTING_EVENT_STROKE);
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}
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g.draw(outerCircle);
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g.setStroke(originalStroke);
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g.setPaint(originalPaint);
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g.draw(innerCircle);
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if (image != null) {
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// calculate coordinates to center image
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int imageX = (int) (graphicInfo.getX() + (graphicInfo.getWidth() / 2) - (image.getWidth() / 2 * scaleFactor));
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int imageY = (int) (graphicInfo.getY() + (graphicInfo.getHeight() / 2) - (image.getHeight() / 2 * scaleFactor));
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if (scaleFactor == 1.0 && "timer".equals(eventType)) {
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// move image one pixel to center timer image
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imageX++;
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imageY++;
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}
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g.drawImage(image, imageX, imageY, (int) (image.getWidth() / scaleFactor), (int) (image.getHeight() / scaleFactor), null);
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}
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}
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public void drawCatchingCompensateEvent(String name, GraphicInfo graphicInfo, boolean isInterrupting, double scaleFactor) {
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drawCatchingCompensateEvent(graphicInfo, isInterrupting, scaleFactor);
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drawLabel(name, graphicInfo);
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}
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public void drawCatchingCompensateEvent(GraphicInfo graphicInfo, boolean isInterrupting, double scaleFactor) {
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drawCatchingEvent(graphicInfo, isInterrupting, COMPENSATE_CATCH_IMAGE, "compensate", scaleFactor);
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}
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public void drawCatchingTimerEvent(String name, GraphicInfo graphicInfo, boolean isInterrupting, double scaleFactor) {
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drawCatchingTimerEvent(graphicInfo, isInterrupting, scaleFactor);
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drawLabel(name, graphicInfo);
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}
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public void drawCatchingTimerEvent(GraphicInfo graphicInfo, boolean isInterrupting, double scaleFactor) {
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drawCatchingEvent(graphicInfo, isInterrupting, TIMER_IMAGE, "timer", scaleFactor);
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}
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public void drawCatchingErrorEvent(String name, GraphicInfo graphicInfo, boolean isInterrupting, double scaleFactor) {
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drawCatchingErrorEvent(graphicInfo, isInterrupting, scaleFactor);
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drawLabel(name, graphicInfo);
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}
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public void drawCatchingErrorEvent(GraphicInfo graphicInfo, boolean isInterrupting, double scaleFactor) {
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drawCatchingEvent(graphicInfo, isInterrupting, ERROR_CATCH_IMAGE, "error", scaleFactor);
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}
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public void drawCatchingSignalEvent(String name, GraphicInfo graphicInfo, boolean isInterrupting, double scaleFactor) {
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drawCatchingSignalEvent(graphicInfo, isInterrupting, scaleFactor);
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drawLabel(name, graphicInfo);
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}
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public void drawCatchingSignalEvent(GraphicInfo graphicInfo, boolean isInterrupting, double scaleFactor) {
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drawCatchingEvent(graphicInfo, isInterrupting, SIGNAL_CATCH_IMAGE, "signal", scaleFactor);
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}
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public void drawCatchingMessageEvent(GraphicInfo graphicInfo, boolean isInterrupting, double scaleFactor) {
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drawCatchingEvent(graphicInfo, isInterrupting, MESSAGE_CATCH_IMAGE, "message", scaleFactor);
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}
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public void drawCatchingMessageEvent(String name, GraphicInfo graphicInfo, boolean isInterrupting, double scaleFactor) {
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drawCatchingEvent(graphicInfo, isInterrupting, MESSAGE_CATCH_IMAGE, "message", scaleFactor);
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drawLabel(name, graphicInfo);
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}
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public void drawThrowingCompensateEvent(GraphicInfo graphicInfo, double scaleFactor) {
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drawCatchingEvent(graphicInfo, true, COMPENSATE_THROW_IMAGE, "compensate", scaleFactor);
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}
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public void drawThrowingSignalEvent(GraphicInfo graphicInfo, double scaleFactor) {
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drawCatchingEvent(graphicInfo, true, SIGNAL_THROW_IMAGE, "signal", scaleFactor);
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}
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public void drawThrowingNoneEvent(GraphicInfo graphicInfo, double scaleFactor) {
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drawCatchingEvent(graphicInfo, true, null, "none", scaleFactor);
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}
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public void drawSequenceflow(int srcX, int srcY, int targetX, int targetY, boolean conditional, double scaleFactor) {
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drawSequenceflow(srcX, srcY, targetX, targetY, conditional, false, scaleFactor);
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}
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public void drawSequenceflow(int srcX, int srcY, int targetX, int targetY, boolean conditional, boolean highLighted, double scaleFactor) {
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Paint originalPaint = g.getPaint();
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if (highLighted) {
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g.setPaint(HIGHLIGHT_COLOR);
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}
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Line2D.Double line = new Line2D.Double(srcX, srcY, targetX, targetY);
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g.draw(line);
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drawArrowHead(line, scaleFactor);
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if (conditional) {
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drawConditionalSequenceFlowIndicator(line, scaleFactor);
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}
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if (highLighted) {
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g.setPaint(originalPaint);
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}
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}
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public void drawAssociation(int[] xPoints, int[] yPoints, AssociationDirection associationDirection, boolean highLighted, double scaleFactor) {
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boolean conditional = false, isDefault = false;
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drawConnection(xPoints, yPoints, conditional, isDefault, "association", associationDirection, highLighted, scaleFactor);
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}
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public void drawSequenceflow(int[] xPoints, int[] yPoints, boolean conditional, boolean isDefault, boolean highLighted, double scaleFactor) {
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drawConnection(xPoints, yPoints, conditional, isDefault, "sequenceFlow", AssociationDirection.ONE, highLighted, scaleFactor);
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}
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public void drawConnection(int[] xPoints, int[] yPoints, boolean conditional, boolean isDefault, String connectionType, AssociationDirection associationDirection,
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boolean highLighted, double scaleFactor) {
|
|
Paint originalPaint = g.getPaint();
|
Stroke originalStroke = g.getStroke();
|
|
g.setPaint(CONNECTION_COLOR);
|
if ("association".equals(connectionType)) {
|
g.setStroke(ASSOCIATION_STROKE);
|
} else if (highLighted) {
|
g.setPaint(HIGHLIGHT_COLOR);
|
g.setStroke(HIGHLIGHT_FLOW_STROKE);
|
}
|
|
for (int i = 1; i < xPoints.length; i++) {
|
Integer sourceX = xPoints[i - 1];
|
Integer sourceY = yPoints[i - 1];
|
Integer targetX = xPoints[i];
|
Integer targetY = yPoints[i];
|
Line2D.Double line = new Line2D.Double(sourceX, sourceY, targetX, targetY);
|
g.draw(line);
|
}
|
|
if (isDefault) {
|
Line2D.Double line = new Line2D.Double(xPoints[0], yPoints[0], xPoints[1], yPoints[1]);
|
drawDefaultSequenceFlowIndicator(line, scaleFactor);
|
}
|
|
if (conditional) {
|
Line2D.Double line = new Line2D.Double(xPoints[0], yPoints[0], xPoints[1], yPoints[1]);
|
drawConditionalSequenceFlowIndicator(line, scaleFactor);
|
}
|
|
if (associationDirection.equals(AssociationDirection.ONE) || associationDirection.equals(AssociationDirection.BOTH)) {
|
Line2D.Double line = new Line2D.Double(xPoints[xPoints.length - 2], yPoints[xPoints.length - 2], xPoints[xPoints.length - 1], yPoints[xPoints.length - 1]);
|
drawArrowHead(line, scaleFactor);
|
}
|
if (associationDirection.equals(AssociationDirection.BOTH)) {
|
Line2D.Double line = new Line2D.Double(xPoints[1], yPoints[1], xPoints[0], yPoints[0]);
|
drawArrowHead(line, scaleFactor);
|
}
|
g.setPaint(originalPaint);
|
g.setStroke(originalStroke);
|
}
|
|
public void drawSequenceflowWithoutArrow(int srcX, int srcY, int targetX, int targetY, boolean conditional, double scaleFactor) {
|
drawSequenceflowWithoutArrow(srcX, srcY, targetX, targetY, conditional, false, scaleFactor);
|
}
|
|
public void drawSequenceflowWithoutArrow(int srcX, int srcY, int targetX, int targetY, boolean conditional, boolean highLighted, double scaleFactor) {
|
Paint originalPaint = g.getPaint();
|
if (highLighted) {
|
g.setPaint(HIGHLIGHT_COLOR);
|
}
|
|
Line2D.Double line = new Line2D.Double(srcX, srcY, targetX, targetY);
|
g.draw(line);
|
|
if (conditional) {
|
drawConditionalSequenceFlowIndicator(line, scaleFactor);
|
}
|
|
if (highLighted) {
|
g.setPaint(originalPaint);
|
}
|
}
|
|
public void drawArrowHead(Line2D.Double line, double scaleFactor) {
|
int doubleArrowWidth = (int) (2 * ARROW_WIDTH / scaleFactor);
|
if (doubleArrowWidth == 0) {
|
doubleArrowWidth = 2;
|
}
|
Polygon arrowHead = new Polygon();
|
arrowHead.addPoint(0, 0);
|
int arrowHeadPoint = (int) (-ARROW_WIDTH / scaleFactor);
|
if (arrowHeadPoint == 0) {
|
arrowHeadPoint = -1;
|
}
|
arrowHead.addPoint(arrowHeadPoint, -doubleArrowWidth);
|
arrowHeadPoint = (int) (ARROW_WIDTH / scaleFactor);
|
if (arrowHeadPoint == 0) {
|
arrowHeadPoint = 1;
|
}
|
arrowHead.addPoint(arrowHeadPoint, -doubleArrowWidth);
|
|
AffineTransform transformation = new AffineTransform();
|
transformation.setToIdentity();
|
double angle = Math.atan2(line.y2 - line.y1, line.x2 - line.x1);
|
transformation.translate(line.x2, line.y2);
|
transformation.rotate((angle - Math.PI / 2d));
|
|
AffineTransform originalTransformation = g.getTransform();
|
g.setTransform(transformation);
|
g.fill(arrowHead);
|
g.setTransform(originalTransformation);
|
}
|
|
public void drawDefaultSequenceFlowIndicator(Line2D.Double line, double scaleFactor) {
|
double length = DEFAULT_INDICATOR_WIDTH / scaleFactor, halfOfLength = length / 2, f = 8;
|
Line2D.Double defaultIndicator = new Line2D.Double(-halfOfLength, 0, halfOfLength, 0);
|
|
double angle = Math.atan2(line.y2 - line.y1, line.x2 - line.x1);
|
double dx = f * Math.cos(angle), dy = f * Math.sin(angle), x1 = line.x1 + dx, y1 = line.y1 + dy;
|
|
AffineTransform transformation = new AffineTransform();
|
transformation.setToIdentity();
|
transformation.translate(x1, y1);
|
transformation.rotate((angle - 3 * Math.PI / 4));
|
|
AffineTransform originalTransformation = g.getTransform();
|
g.setTransform(transformation);
|
g.draw(defaultIndicator);
|
|
g.setTransform(originalTransformation);
|
}
|
|
public void drawConditionalSequenceFlowIndicator(Line2D.Double line, double scaleFactor) {
|
if (scaleFactor > 1.0) {
|
return;
|
}
|
int horizontal = (int) (CONDITIONAL_INDICATOR_WIDTH * 0.7);
|
int halfOfHorizontal = horizontal / 2;
|
int halfOfVertical = CONDITIONAL_INDICATOR_WIDTH / 2;
|
|
Polygon conditionalIndicator = new Polygon();
|
conditionalIndicator.addPoint(0, 0);
|
conditionalIndicator.addPoint(-halfOfHorizontal, halfOfVertical);
|
conditionalIndicator.addPoint(0, CONDITIONAL_INDICATOR_WIDTH);
|
conditionalIndicator.addPoint(halfOfHorizontal, halfOfVertical);
|
|
AffineTransform transformation = new AffineTransform();
|
transformation.setToIdentity();
|
double angle = Math.atan2(line.y2 - line.y1, line.x2 - line.x1);
|
transformation.translate(line.x1, line.y1);
|
transformation.rotate((angle - Math.PI / 2d));
|
|
AffineTransform originalTransformation = g.getTransform();
|
g.setTransform(transformation);
|
g.draw(conditionalIndicator);
|
|
Paint originalPaint = g.getPaint();
|
g.setPaint(CONDITIONAL_INDICATOR_COLOR);
|
g.fill(conditionalIndicator);
|
|
g.setPaint(originalPaint);
|
g.setTransform(originalTransformation);
|
}
|
|
public void drawTask(BufferedImage icon, String name, GraphicInfo graphicInfo, double scaleFactor) {
|
drawTask(name, graphicInfo);
|
g.drawImage(icon, (int) (graphicInfo.getX() + ICON_PADDING / scaleFactor), (int) (graphicInfo.getY() + ICON_PADDING / scaleFactor), (int) (icon.getWidth() / scaleFactor),
|
(int) (icon.getHeight() / scaleFactor), null);
|
}
|
|
public void drawTask(String name, GraphicInfo graphicInfo) {
|
drawTask(name, graphicInfo, false);
|
}
|
|
public void drawPoolOrLane(String name, GraphicInfo graphicInfo) {
|
int x = (int) graphicInfo.getX();
|
int y = (int) graphicInfo.getY();
|
int width = (int) graphicInfo.getWidth();
|
int height = (int) graphicInfo.getHeight();
|
g.drawRect(x, y, width, height);
|
|
// Add the name as text, vertical
|
if (name != null && name.length() > 0) {
|
// Include some padding
|
int availableTextSpace = height - 6;
|
|
// Create rotation for derived font
|
AffineTransform transformation = new AffineTransform();
|
transformation.setToIdentity();
|
transformation.rotate(270 * Math.PI / 180);
|
|
Font currentFont = g.getFont();
|
Font theDerivedFont = currentFont.deriveFont(transformation);
|
g.setFont(theDerivedFont);
|
|
String truncated = fitTextToWidth(name, availableTextSpace);
|
int realWidth = fontMetrics.stringWidth(truncated);
|
|
g.drawString(truncated, x + 2 + fontMetrics.getHeight(), 3 + y + availableTextSpace - (availableTextSpace - realWidth) / 2);
|
g.setFont(currentFont);
|
}
|
}
|
|
protected void drawTask(String name, GraphicInfo graphicInfo, boolean thickBorder) {
|
Paint originalPaint = g.getPaint();
|
int x = (int) graphicInfo.getX();
|
int y = (int) graphicInfo.getY();
|
int width = (int) graphicInfo.getWidth();
|
int height = (int) graphicInfo.getHeight();
|
|
// Create a new gradient paint for every task box, gradient depends on x and y and is not relative
|
g.setPaint(TASK_BOX_COLOR);
|
|
int arcR = 6;
|
if (thickBorder) {
|
arcR = 3;
|
}
|
// shape
|
RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, arcR, arcR);
|
g.fill(rect);
|
g.setPaint(TASK_BORDER_COLOR);
|
|
if (thickBorder) {
|
Stroke originalStroke = g.getStroke();
|
g.setStroke(THICK_TASK_BORDER_STROKE);
|
g.draw(rect);
|
g.setStroke(originalStroke);
|
} else {
|
g.draw(rect);
|
}
|
|
g.setPaint(originalPaint);
|
// text
|
if (name != null && name.length() > 0) {
|
int boxWidth = width - (2 * TEXT_PADDING);
|
int boxHeight = height - 16 - ICON_PADDING - ICON_PADDING - MARKER_WIDTH - 2 - 2;
|
int boxX = x + width / 2 - boxWidth / 2;
|
int boxY = y + height / 2 - boxHeight / 2 + ICON_PADDING + ICON_PADDING - 2 - 2;
|
|
drawMultilineCentredText(name, boxX, boxY, boxWidth, boxHeight);
|
}
|
}
|
|
protected void drawMultilineCentredText(String text, int x, int y, int boxWidth, int boxHeight) {
|
drawMultilineText(text, x, y, boxWidth, boxHeight, true);
|
}
|
|
protected void drawMultilineAnnotationText(String text, int x, int y, int boxWidth, int boxHeight) {
|
drawMultilineText(text, x, y, boxWidth, boxHeight, false);
|
}
|
|
protected void drawMultilineText(String text, int x, int y, int boxWidth, int boxHeight, boolean centered) {
|
// Create an attributed string based in input text
|
AttributedString attributedString = new AttributedString(text);
|
attributedString.addAttribute(TextAttribute.FONT, g.getFont());
|
attributedString.addAttribute(TextAttribute.FOREGROUND, Color.black);
|
|
AttributedCharacterIterator characterIterator = attributedString.getIterator();
|
|
int currentHeight = 0;
|
// Prepare a list of lines of text we'll be drawing
|
List<TextLayout> layouts = new ArrayList<TextLayout>();
|
String lastLine = null;
|
|
LineBreakMeasurer measurer = new LineBreakMeasurer(characterIterator, g.getFontRenderContext());
|
|
TextLayout layout = null;
|
while (measurer.getPosition() < characterIterator.getEndIndex() && currentHeight <= boxHeight) {
|
|
int previousPosition = measurer.getPosition();
|
|
// Request next layout
|
layout = measurer.nextLayout(boxWidth);
|
|
int height = ((Float) (layout.getDescent() + layout.getAscent() + layout.getLeading())).intValue();
|
|
if (currentHeight + height > boxHeight) {
|
// The line we're about to add should NOT be added anymore, append three dots to previous one instead
|
// to indicate more text is truncated
|
if (!layouts.isEmpty()) {
|
layouts.remove(layouts.size() - 1);
|
|
if (lastLine.length() >= 4) {
|
lastLine = lastLine.substring(0, lastLine.length() - 4) + "...";
|
}
|
layouts.add(new TextLayout(lastLine, g.getFont(), g.getFontRenderContext()));
|
}
|
} else {
|
layouts.add(layout);
|
lastLine = text.substring(previousPosition, measurer.getPosition());
|
currentHeight += height;
|
}
|
}
|
|
int currentY = y + (centered ? ((boxHeight - currentHeight) / 2) : 0);
|
int currentX = 0;
|
|
// Actually draw the lines
|
for (TextLayout textLayout : layouts) {
|
|
currentY += textLayout.getAscent();
|
currentX = x + (centered ? ((boxWidth - ((Double) textLayout.getBounds().getWidth()).intValue()) / 2) : 0);
|
|
textLayout.draw(g, currentX, currentY);
|
currentY += textLayout.getDescent() + textLayout.getLeading();
|
}
|
|
}
|
|
protected String fitTextToWidth(String original, int width) {
|
String text = original;
|
|
// remove length for "..."
|
int maxWidth = width - 10;
|
|
while (fontMetrics.stringWidth(text + "...") > maxWidth && text.length() > 0) {
|
text = text.substring(0, text.length() - 1);
|
}
|
|
if (!text.equals(original)) {
|
text = text + "...";
|
}
|
|
return text;
|
}
|
|
public void drawUserTask(String name, GraphicInfo graphicInfo, double scaleFactor) {
|
drawTask(USERTASK_IMAGE, name, graphicInfo, scaleFactor);
|
}
|
|
public void drawScriptTask(String name, GraphicInfo graphicInfo, double scaleFactor) {
|
drawTask(SCRIPTTASK_IMAGE, name, graphicInfo, scaleFactor);
|
}
|
|
public void drawServiceTask(String name, GraphicInfo graphicInfo, double scaleFactor) {
|
drawTask(SERVICETASK_IMAGE, name, graphicInfo, scaleFactor);
|
}
|
|
public void drawReceiveTask(String name, GraphicInfo graphicInfo, double scaleFactor) {
|
drawTask(RECEIVETASK_IMAGE, name, graphicInfo, scaleFactor);
|
}
|
|
public void drawSendTask(String name, GraphicInfo graphicInfo, double scaleFactor) {
|
drawTask(SENDTASK_IMAGE, name, graphicInfo, scaleFactor);
|
}
|
|
public void drawManualTask(String name, GraphicInfo graphicInfo, double scaleFactor) {
|
drawTask(MANUALTASK_IMAGE, name, graphicInfo, scaleFactor);
|
}
|
|
public void drawBusinessRuleTask(String name, GraphicInfo graphicInfo, double scaleFactor) {
|
drawTask(BUSINESS_RULE_TASK_IMAGE, name, graphicInfo, scaleFactor);
|
}
|
|
public void drawCamelTask(String name, GraphicInfo graphicInfo, double scaleFactor) {
|
drawTask(CAMEL_TASK_IMAGE, name, graphicInfo, scaleFactor);
|
}
|
|
public void drawMuleTask(String name, GraphicInfo graphicInfo, double scaleFactor) {
|
drawTask(MULE_TASK_IMAGE, name, graphicInfo, scaleFactor);
|
}
|
|
public void drawExpandedSubProcess(String name, GraphicInfo graphicInfo, Boolean isTriggeredByEvent, double scaleFactor) {
|
RoundRectangle2D rect = new RoundRectangle2D.Double(graphicInfo.getX(), graphicInfo.getY(), graphicInfo.getWidth(), graphicInfo.getHeight(), 8, 8);
|
|
// Use different stroke (dashed)
|
if (isTriggeredByEvent) {
|
Stroke originalStroke = g.getStroke();
|
g.setStroke(EVENT_SUBPROCESS_STROKE);
|
g.draw(rect);
|
g.setStroke(originalStroke);
|
} else {
|
Paint originalPaint = g.getPaint();
|
g.setPaint(SUBPROCESS_BOX_COLOR);
|
g.fill(rect);
|
g.setPaint(SUBPROCESS_BORDER_COLOR);
|
g.draw(rect);
|
g.setPaint(originalPaint);
|
}
|
|
if (scaleFactor == 1.0 && name != null && !name.isEmpty()) {
|
String text = fitTextToWidth(name, (int) graphicInfo.getWidth());
|
g.drawString(text, (int) graphicInfo.getX() + 10, (int) graphicInfo.getY() + 15);
|
}
|
}
|
|
public void drawCollapsedSubProcess(String name, GraphicInfo graphicInfo, Boolean isTriggeredByEvent) {
|
drawCollapsedTask(name, graphicInfo, false);
|
}
|
|
public void drawCollapsedCallActivity(String name, GraphicInfo graphicInfo) {
|
drawCollapsedTask(name, graphicInfo, true);
|
}
|
|
protected void drawCollapsedTask(String name, GraphicInfo graphicInfo, boolean thickBorder) {
|
// The collapsed marker is now visualized separately
|
drawTask(name, graphicInfo, thickBorder);
|
}
|
|
public void drawCollapsedMarker(int x, int y, int width, int height) {
|
// rectangle
|
int rectangleWidth = MARKER_WIDTH;
|
int rectangleHeight = MARKER_WIDTH;
|
Rectangle rect = new Rectangle(x + (width - rectangleWidth) / 2, y + height - rectangleHeight - 3, rectangleWidth, rectangleHeight);
|
g.draw(rect);
|
|
// plus inside rectangle
|
Line2D.Double line = new Line2D.Double(rect.getCenterX(), rect.getY() + 2, rect.getCenterX(), rect.getMaxY() - 2);
|
g.draw(line);
|
line = new Line2D.Double(rect.getMinX() + 2, rect.getCenterY(), rect.getMaxX() - 2, rect.getCenterY());
|
g.draw(line);
|
}
|
|
public void drawActivityMarkers(int x, int y, int width, int height, boolean multiInstanceSequential, boolean multiInstanceParallel, boolean collapsed) {
|
if (collapsed) {
|
if (!multiInstanceSequential && !multiInstanceParallel) {
|
drawCollapsedMarker(x, y, width, height);
|
} else {
|
drawCollapsedMarker(x - MARKER_WIDTH / 2 - 2, y, width, height);
|
if (multiInstanceSequential) {
|
drawMultiInstanceMarker(true, x + MARKER_WIDTH / 2 + 2, y, width, height);
|
} else {
|
drawMultiInstanceMarker(false, x + MARKER_WIDTH / 2 + 2, y, width, height);
|
}
|
}
|
} else {
|
if (multiInstanceSequential) {
|
drawMultiInstanceMarker(true, x, y, width, height);
|
} else if (multiInstanceParallel) {
|
drawMultiInstanceMarker(false, x, y, width, height);
|
}
|
}
|
}
|
|
public void drawGateway(GraphicInfo graphicInfo) {
|
Polygon rhombus = new Polygon();
|
int x = (int) graphicInfo.getX();
|
int y = (int) graphicInfo.getY();
|
int width = (int) graphicInfo.getWidth();
|
int height = (int) graphicInfo.getHeight();
|
|
rhombus.addPoint(x, y + (height / 2));
|
rhombus.addPoint(x + (width / 2), y + height);
|
rhombus.addPoint(x + width, y + (height / 2));
|
rhombus.addPoint(x + (width / 2), y);
|
g.draw(rhombus);
|
}
|
|
public void drawParallelGateway(GraphicInfo graphicInfo, double scaleFactor) {
|
// rhombus
|
drawGateway(graphicInfo);
|
int x = (int) graphicInfo.getX();
|
int y = (int) graphicInfo.getY();
|
int width = (int) graphicInfo.getWidth();
|
int height = (int) graphicInfo.getHeight();
|
|
if (scaleFactor == 1.0) {
|
// plus inside rhombus
|
Stroke orginalStroke = g.getStroke();
|
g.setStroke(GATEWAY_TYPE_STROKE);
|
Line2D.Double line = new Line2D.Double(x + 10, y + height / 2, x + width - 10, y + height / 2); // horizontal
|
g.draw(line);
|
line = new Line2D.Double(x + width / 2, y + height - 10, x + width / 2, y + 10); // vertical
|
g.draw(line);
|
g.setStroke(orginalStroke);
|
}
|
}
|
|
public void drawExclusiveGateway(GraphicInfo graphicInfo, double scaleFactor) {
|
// rhombus
|
drawGateway(graphicInfo);
|
int x = (int) graphicInfo.getX();
|
int y = (int) graphicInfo.getY();
|
int width = (int) graphicInfo.getWidth();
|
int height = (int) graphicInfo.getHeight();
|
|
int quarterWidth = width / 4;
|
int quarterHeight = height / 4;
|
|
if (scaleFactor == 1.0) {
|
// X inside rhombus
|
Stroke orginalStroke = g.getStroke();
|
g.setStroke(GATEWAY_TYPE_STROKE);
|
Line2D.Double line = new Line2D.Double(x + quarterWidth + 3, y + quarterHeight + 3, x + 3 * quarterWidth - 3, y + 3 * quarterHeight - 3);
|
g.draw(line);
|
line = new Line2D.Double(x + quarterWidth + 3, y + 3 * quarterHeight - 3, x + 3 * quarterWidth - 3, y + quarterHeight + 3);
|
g.draw(line);
|
g.setStroke(orginalStroke);
|
}
|
}
|
|
public void drawInclusiveGateway(GraphicInfo graphicInfo, double scaleFactor) {
|
// rhombus
|
drawGateway(graphicInfo);
|
int x = (int) graphicInfo.getX();
|
int y = (int) graphicInfo.getY();
|
int width = (int) graphicInfo.getWidth();
|
int height = (int) graphicInfo.getHeight();
|
|
int diameter = width / 2;
|
|
if (scaleFactor == 1.0) {
|
// circle inside rhombus
|
Stroke orginalStroke = g.getStroke();
|
g.setStroke(GATEWAY_TYPE_STROKE);
|
Ellipse2D.Double circle = new Ellipse2D.Double(((width - diameter) / 2) + x, ((height - diameter) / 2) + y, diameter, diameter);
|
g.draw(circle);
|
g.setStroke(orginalStroke);
|
}
|
}
|
|
public void drawEventBasedGateway(GraphicInfo graphicInfo, double scaleFactor) {
|
// rhombus
|
drawGateway(graphicInfo);
|
|
if (scaleFactor == 1.0) {
|
int x = (int) graphicInfo.getX();
|
int y = (int) graphicInfo.getY();
|
int width = (int) graphicInfo.getWidth();
|
int height = (int) graphicInfo.getHeight();
|
|
double scale = .6;
|
|
GraphicInfo eventInfo = new GraphicInfo();
|
eventInfo.setX(x + width * (1 - scale) / 2);
|
eventInfo.setY(y + height * (1 - scale) / 2);
|
eventInfo.setWidth(width * scale);
|
eventInfo.setHeight(height * scale);
|
drawCatchingEvent(eventInfo, true, null, "eventGateway", scaleFactor);
|
|
double r = width / 6.;
|
|
// create pentagon (coords with respect to center)
|
int topX = (int) (.95 * r); // top right corner
|
int topY = (int) (-.31 * r);
|
int bottomX = (int) (.59 * r); // bottom right corner
|
int bottomY = (int) (.81 * r);
|
|
int[] xPoints = new int[]{0, topX, bottomX, -bottomX, -topX};
|
int[] yPoints = new int[]{-(int) r, topY, bottomY, bottomY, topY};
|
Polygon pentagon = new Polygon(xPoints, yPoints, 5);
|
pentagon.translate(x + width / 2, y + width / 2);
|
|
// draw
|
g.drawPolygon(pentagon);
|
}
|
}
|
|
public void drawMultiInstanceMarker(boolean sequential, int x, int y, int width, int height) {
|
int rectangleWidth = MARKER_WIDTH;
|
int rectangleHeight = MARKER_WIDTH;
|
int lineX = x + (width - rectangleWidth) / 2;
|
int lineY = y + height - rectangleHeight - 3;
|
|
Stroke orginalStroke = g.getStroke();
|
g.setStroke(MULTI_INSTANCE_STROKE);
|
|
if (sequential) {
|
g.draw(new Line2D.Double(lineX, lineY, lineX + rectangleWidth, lineY));
|
g.draw(new Line2D.Double(lineX, lineY + rectangleHeight / 2, lineX + rectangleWidth, lineY + rectangleHeight / 2));
|
g.draw(new Line2D.Double(lineX, lineY + rectangleHeight, lineX + rectangleWidth, lineY + rectangleHeight));
|
} else {
|
g.draw(new Line2D.Double(lineX, lineY, lineX, lineY + rectangleHeight));
|
g.draw(new Line2D.Double(lineX + rectangleWidth / 2, lineY, lineX + rectangleWidth / 2, lineY + rectangleHeight));
|
g.draw(new Line2D.Double(lineX + rectangleWidth, lineY, lineX + rectangleWidth, lineY + rectangleHeight));
|
}
|
|
g.setStroke(orginalStroke);
|
}
|
|
public void drawHighLight(int x, int y, int width, int height) {
|
Paint originalPaint = g.getPaint();
|
Stroke originalStroke = g.getStroke();
|
|
g.setPaint(HIGHLIGHT_COLOR);
|
g.setStroke(THICK_TASK_BORDER_STROKE);
|
|
//TODO 长方形弧度修改
|
//RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, 20, 20);
|
RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, 0, 0);
|
g.draw(rect);
|
|
g.setPaint(originalPaint);
|
g.setStroke(originalStroke);
|
}
|
|
|
/**
|
* Desc: 绘制正在执行中的节点红色高亮显示
|
*
|
* @param x
|
* @param y
|
* @param width
|
* @param height
|
* @author Fuxs
|
*/
|
public void drawRunningActivitiHighLight(int x, int y, int width, int height) {
|
Paint originalPaint = g.getPaint();
|
Stroke originalStroke = g.getStroke();
|
|
g.setPaint(RUNNING_HIGHLIGHT_COLOR);
|
g.setStroke(THICK_TASK_BORDER_STROKE);
|
//todo 修改长方形弧度
|
//RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, 20, 20);
|
RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, 0, 0);
|
g.draw(rect);
|
|
g.setPaint(originalPaint);
|
g.setStroke(originalStroke);
|
}
|
|
public void drawTextAnnotation(String text, GraphicInfo graphicInfo) {
|
int x = (int) graphicInfo.getX();
|
int y = (int) graphicInfo.getY();
|
int width = (int) graphicInfo.getWidth();
|
int height = (int) graphicInfo.getHeight();
|
|
Font originalFont = g.getFont();
|
Stroke originalStroke = g.getStroke();
|
|
g.setFont(ANNOTATION_FONT);
|
|
Path2D path = new Path2D.Double();
|
x += .5;
|
int lineLength = 18;
|
path.moveTo(x + lineLength, y);
|
path.lineTo(x, y);
|
path.lineTo(x, y + height);
|
path.lineTo(x + lineLength, y + height);
|
|
path.lineTo(x + lineLength, y + height - 1);
|
path.lineTo(x + 1, y + height - 1);
|
path.lineTo(x + 1, y + 1);
|
path.lineTo(x + lineLength, y + 1);
|
path.closePath();
|
|
g.draw(path);
|
|
int boxWidth = width - (2 * ANNOTATION_TEXT_PADDING);
|
int boxHeight = height - (2 * ANNOTATION_TEXT_PADDING);
|
int boxX = x + width / 2 - boxWidth / 2;
|
int boxY = y + height / 2 - boxHeight / 2;
|
|
if (text != null && text.isEmpty() == false) {
|
drawMultilineAnnotationText(text, boxX, boxY, boxWidth, boxHeight);
|
}
|
|
// restore originals
|
g.setFont(originalFont);
|
g.setStroke(originalStroke);
|
}
|
|
public void drawLabel(String text, GraphicInfo graphicInfo) {
|
drawLabel(text, graphicInfo, true);
|
}
|
|
/**
|
* 绘制流程线名称
|
* Desc:
|
*
|
* @param text
|
* @param graphicInfo
|
* @param centered
|
* @author Fuxs
|
*/
|
public void drawLabel(String text, GraphicInfo graphicInfo, boolean centered) {
|
float interline = 1.0f;
|
|
// text
|
if (text != null && text.length() > 0) {
|
Paint originalPaint = g.getPaint();
|
Font originalFont = g.getFont();
|
|
g.setPaint(LABEL_COLOR);
|
g.setFont(LABEL_FONT);
|
|
int wrapWidth = 100;
|
int textY = (int) (graphicInfo.getY() + graphicInfo.getHeight());
|
|
// TODO: use drawMultilineText()
|
AttributedString as = new AttributedString(text);
|
as.addAttribute(TextAttribute.FOREGROUND, g.getPaint());
|
as.addAttribute(TextAttribute.FONT, g.getFont());
|
AttributedCharacterIterator aci = as.getIterator();
|
FontRenderContext frc = new FontRenderContext(null, true, false);
|
LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);
|
|
while (lbm.getPosition() < text.length()) {
|
TextLayout tl = lbm.nextLayout(wrapWidth);
|
textY += tl.getAscent();
|
Rectangle2D bb = tl.getBounds();
|
double tX = graphicInfo.getX();
|
if (centered) {
|
tX += (int) (graphicInfo.getWidth() / 2 - bb.getWidth() / 2);
|
}
|
tl.draw(g, (float) tX, textY);
|
textY += tl.getDescent() + tl.getLeading() + (interline - 1.0f) * tl.getAscent();
|
}
|
|
// restore originals
|
g.setFont(originalFont);
|
g.setPaint(originalPaint);
|
}
|
}
|
|
/**
|
* This method makes coordinates of connection flow better.
|
*
|
* @param sourceShapeType
|
* @param targetShapeType
|
* @param sourceGraphicInfo
|
* @param targetGraphicInfo
|
* @param graphicInfoList
|
*/
|
public List<GraphicInfo> connectionPerfectionizer(SHAPE_TYPE sourceShapeType, SHAPE_TYPE targetShapeType, GraphicInfo sourceGraphicInfo, GraphicInfo targetGraphicInfo,
|
List<GraphicInfo> graphicInfoList) {
|
Shape shapeFirst = createShape(sourceShapeType, sourceGraphicInfo);
|
Shape shapeLast = createShape(targetShapeType, targetGraphicInfo);
|
|
if (graphicInfoList != null && graphicInfoList.size() > 0) {
|
GraphicInfo graphicInfoFirst = graphicInfoList.get(0);
|
GraphicInfo graphicInfoLast = graphicInfoList.get(graphicInfoList.size() - 1);
|
if (shapeFirst != null) {
|
graphicInfoFirst.setX(shapeFirst.getBounds2D().getCenterX());
|
graphicInfoFirst.setY(shapeFirst.getBounds2D().getCenterY());
|
}
|
if (shapeLast != null) {
|
graphicInfoLast.setX(shapeLast.getBounds2D().getCenterX());
|
graphicInfoLast.setY(shapeLast.getBounds2D().getCenterY());
|
}
|
|
Point p = null;
|
|
if (shapeFirst != null) {
|
Line2D.Double lineFirst = new Line2D.Double(graphicInfoFirst.getX(), graphicInfoFirst.getY(), graphicInfoList.get(1).getX(), graphicInfoList.get(1).getY());
|
p = getIntersection(shapeFirst, lineFirst);
|
if (p != null) {
|
graphicInfoFirst.setX(p.getX());
|
graphicInfoFirst.setY(p.getY());
|
}
|
}
|
|
if (shapeLast != null) {
|
Line2D.Double lineLast = new Line2D.Double(graphicInfoLast.getX(), graphicInfoLast.getY(), graphicInfoList.get(graphicInfoList.size() - 2).getX(),
|
graphicInfoList.get(graphicInfoList.size() - 2).getY());
|
p = getIntersection(shapeLast, lineLast);
|
if (p != null) {
|
graphicInfoLast.setX(p.getX());
|
graphicInfoLast.setY(p.getY());
|
}
|
}
|
}
|
|
return graphicInfoList;
|
}
|
|
/**
|
* This method creates shape by type and coordinates.
|
*
|
* @param shapeType
|
* @param graphicInfo
|
* @return Shape
|
*/
|
private static Shape createShape(SHAPE_TYPE shapeType, GraphicInfo graphicInfo) {
|
if (SHAPE_TYPE.Rectangle.equals(shapeType)) {
|
// source is rectangle
|
return new Rectangle2D.Double(graphicInfo.getX(), graphicInfo.getY(), graphicInfo.getWidth(), graphicInfo.getHeight());
|
} else if (SHAPE_TYPE.Rhombus.equals(shapeType)) {
|
// source is rhombus
|
Path2D.Double rhombus = new Path2D.Double();
|
rhombus.moveTo(graphicInfo.getX(), graphicInfo.getY() + graphicInfo.getHeight() / 2);
|
rhombus.lineTo(graphicInfo.getX() + graphicInfo.getWidth() / 2, graphicInfo.getY() + graphicInfo.getHeight());
|
rhombus.lineTo(graphicInfo.getX() + graphicInfo.getWidth(), graphicInfo.getY() + graphicInfo.getHeight() / 2);
|
rhombus.lineTo(graphicInfo.getX() + graphicInfo.getWidth() / 2, graphicInfo.getY());
|
rhombus.lineTo(graphicInfo.getX(), graphicInfo.getY() + graphicInfo.getHeight() / 2);
|
rhombus.closePath();
|
return rhombus;
|
} else if (SHAPE_TYPE.Ellipse.equals(shapeType)) {
|
// source is ellipse
|
return new Ellipse2D.Double(graphicInfo.getX(), graphicInfo.getY(), graphicInfo.getWidth(), graphicInfo.getHeight());
|
} else {
|
// unknown source element, just do not correct coordinates
|
}
|
return null;
|
}
|
|
/**
|
* This method returns intersection point of shape border and line.
|
*
|
* @param shape
|
* @param line
|
* @return Point
|
*/
|
private static Point getIntersection(Shape shape, Line2D.Double line) {
|
if (shape instanceof Ellipse2D) {
|
return getEllipseIntersection(shape, line);
|
} else if (shape instanceof Rectangle2D || shape instanceof Path2D) {
|
return getShapeIntersection(shape, line);
|
} else {
|
// something strange
|
return null;
|
}
|
}
|
|
/**
|
* This method calculates ellipse intersection with line
|
*
|
* @param shape Bounds of this shape used to calculate parameters of inscribed into this bounds ellipse.
|
* @param line
|
* @return Intersection point
|
*/
|
private static Point getEllipseIntersection(Shape shape, Line2D.Double line) {
|
double angle = Math.atan2(line.y2 - line.y1, line.x2 - line.x1);
|
double x = shape.getBounds2D().getWidth() / 2 * Math.cos(angle) + shape.getBounds2D().getCenterX();
|
double y = shape.getBounds2D().getHeight() / 2 * Math.sin(angle) + shape.getBounds2D().getCenterY();
|
Point p = new Point();
|
p.setLocation(x, y);
|
return p;
|
}
|
|
/**
|
* This method calculates shape intersection with line.
|
*
|
* @param shape
|
* @param line
|
* @return Intersection point
|
*/
|
private static Point getShapeIntersection(Shape shape, Line2D.Double line) {
|
PathIterator it = shape.getPathIterator(null);
|
double[] coords = new double[6];
|
double[] pos = new double[2];
|
Line2D.Double l = new Line2D.Double();
|
while (!it.isDone()) {
|
int type = it.currentSegment(coords);
|
switch (type) {
|
case PathIterator.SEG_MOVETO:
|
pos[0] = coords[0];
|
pos[1] = coords[1];
|
break;
|
case PathIterator.SEG_LINETO:
|
l = new Line2D.Double(pos[0], pos[1], coords[0], coords[1]);
|
if (line.intersectsLine(l)) {
|
return getLinesIntersection(line, l);
|
}
|
pos[0] = coords[0];
|
pos[1] = coords[1];
|
break;
|
case PathIterator.SEG_CLOSE:
|
break;
|
default:
|
// whatever
|
}
|
it.next();
|
}
|
return null;
|
}
|
|
/**
|
* This method calculates intersections of two lines.
|
*
|
* @param a Line 1
|
* @param b Line 2
|
* @return Intersection point
|
*/
|
private static Point getLinesIntersection(Line2D a, Line2D b) {
|
double d = (a.getX1() - a.getX2()) * (b.getY2() - b.getY1()) - (a.getY1() - a.getY2()) * (b.getX2() - b.getX1());
|
double da = (a.getX1() - b.getX1()) * (b.getY2() - b.getY1()) - (a.getY1() - b.getY1()) * (b.getX2() - b.getX1());
|
// double db = (a.getX1()-a.getX2())*(a.getY1()-b.getY1()) - (a.getY1()-a.getY2())*(a.getX1()-b.getX1());
|
double ta = da / d;
|
// double tb = db/d;
|
Point p = new Point();
|
p.setLocation(a.getX1() + ta * (a.getX2() - a.getX1()), a.getY1() + ta * (a.getY2() - a.getY1()));
|
return p;
|
}
|
}
|
