-/*******************************************************************************\r
- * Copyright (c) 2011 Association for Decentralized Information Management in\r
- * Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.diagram.connection.rendering.arrows;\r
-\r
-import java.awt.Color;\r
-import java.awt.Graphics2D;\r
-import java.awt.geom.AffineTransform;\r
-import java.awt.geom.Path2D;\r
-import java.io.Serializable;\r
-import java.util.StringTokenizer;\r
-\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class ArrowLineEndStyle implements ILineEndStyle, Serializable {\r
-\r
- private static final long serialVersionUID = -346653685430483245L;\r
-\r
- public static enum ArrowType { None, Stroke, Fill }\r
-\r
- public static final double DEFAULT_LENGTH = 8.0;\r
- public static final double DEFAULT_WIDTH = 4.0;\r
- public static final double DEFAULT_SPACE = 0.0;\r
-\r
- protected ArrowType type;\r
- protected double lineEndLength;\r
- protected double length;\r
- protected double width;\r
- protected double space;\r
- protected Color color;\r
-\r
- protected transient Path2D path;\r
-\r
- public ArrowLineEndStyle() {\r
- this(DEFAULT_LENGTH, DEFAULT_WIDTH, DEFAULT_SPACE, null);\r
- }\r
-\r
- public ArrowLineEndStyle(double length, double width, double space) {\r
- this(length, width, space, null);\r
- }\r
-\r
- public ArrowLineEndStyle(double length, double width, double space, Color color) {\r
- this.type = ArrowType.Fill;\r
- this.length = length;\r
- this.width = width;\r
- this.space = space;\r
- this.color = color;\r
- this.path = arrow(length, width, space);\r
- }\r
-\r
- public ArrowLineEndStyle(String desc) {\r
- this.type = ArrowType.None;\r
- this.lineEndLength = 0.0;\r
-\r
- double l = DEFAULT_LENGTH;\r
- double w = DEFAULT_WIDTH;\r
- double s = DEFAULT_SPACE;\r
-\r
- StringTokenizer tokenizer = new StringTokenizer(desc);\r
- if (tokenizer.hasMoreTokens()) {\r
- String type = tokenizer.nextToken();\r
- this.type = parseType(type);\r
-\r
- if (tokenizer.hasMoreTokens()) {\r
- String ls = tokenizer.nextToken();\r
- l = parseSize(ls, length);\r
-\r
- if (tokenizer.hasMoreTokens()) {\r
- String ws = tokenizer.nextToken();\r
- w = parseSize(ws, width);\r
-\r
- if (tokenizer.hasMoreTokens()) {\r
- String ss = tokenizer.nextToken();\r
- s = parseSize(ss, space);\r
- }\r
- }\r
- }\r
- if (this.type != ArrowType.None) {\r
- this.path = arrow(l, w, s);\r
- lineEndLength = l+s;\r
- }\r
- }\r
-\r
- this.width = w;\r
- this.length = l;\r
- this.space = s;\r
- }\r
-\r
- @Override\r
- public void render(Graphics2D g, double x, double y, int dir) {\r
- if (type == ArrowType.None || path == null)\r
- return;\r
-\r
- AffineTransform old = g.getTransform();\r
- g.translate(x, y);\r
- g.rotate(dir*Math.PI*0.5);\r
- if(color != null)\r
- g.setColor(color);\r
-\r
- switch (type) {\r
- case Fill:\r
- g.fill(path);\r
- break;\r
- case Stroke:\r
- g.draw(path);\r
- break;\r
- }\r
-\r
- g.setTransform(old);\r
- }\r
-\r
- @Override\r
- public double getLineEndLength(int direction) {\r
- return lineEndLength;\r
- }\r
-\r
- private static Path2D arrow(double length, double width, double space) {\r
- Path2D.Double path = new Path2D.Double();\r
- path.moveTo(-space, 0);\r
- path.lineTo(-length-space, -width);\r
- path.lineTo(-length-space, +width);\r
- path.closePath();\r
- return path;\r
- }\r
-\r
- private static double parseSize(String size, double defaultValue) {\r
- try {\r
- return Double.parseDouble(size);\r
- } catch (NumberFormatException e) {\r
- return defaultValue;\r
- }\r
- }\r
-\r
- private static ArrowType parseType(String type) {\r
- String lower = type.toLowerCase();\r
- if ("none".equals(lower))\r
- return ArrowType.None;\r
- if ("stroke".equals(lower))\r
- return ArrowType.Stroke;\r
- if ("fill".equals(lower))\r
- return ArrowType.Fill;\r
- throw new IllegalArgumentException("unrecognized arrow type: " + type);\r
- }\r
-\r
- @Override\r
- public String toString() {\r
- return getClass().getSimpleName() + "@" + System.identityHashCode(this) + "[" + type + ", w=" + width + ", l=" + length + ", s=" + space + ", lel=" + lineEndLength + "]";\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- final int prime = 31;\r
- int result = 1;\r
- long temp;\r
- temp = Double.doubleToLongBits(length);\r
- result = prime * result + (int) (temp ^ (temp >>> 32));\r
- temp = Double.doubleToLongBits(lineEndLength);\r
- result = prime * result + (int) (temp ^ (temp >>> 32));\r
- temp = Double.doubleToLongBits(space);\r
- result = prime * result + (int) (temp ^ (temp >>> 32));\r
- result = prime * result + ((type == null) ? 0 : type.hashCode());\r
- temp = Double.doubleToLongBits(width);\r
- result = prime * result + (int) (temp ^ (temp >>> 32));\r
- return result;\r
- }\r
-\r
- @Override\r
- public boolean equals(Object obj) {\r
- if (this == obj)\r
- return true;\r
- if (obj == null)\r
- return false;\r
- if (getClass() != obj.getClass())\r
- return false;\r
- ArrowLineEndStyle other = (ArrowLineEndStyle) obj;\r
- if (Double.doubleToLongBits(length) != Double.doubleToLongBits(other.length))\r
- return false;\r
- if (Double.doubleToLongBits(lineEndLength) != Double.doubleToLongBits(other.lineEndLength))\r
- return false;\r
- if (Double.doubleToLongBits(space) != Double.doubleToLongBits(other.space))\r
- return false;\r
- if (type != other.type)\r
- return false;\r
- if (Double.doubleToLongBits(width) != Double.doubleToLongBits(other.width))\r
- return false;\r
- return true;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2011 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.diagram.connection.rendering.arrows;
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Path2D;
+import java.io.Serializable;
+import java.util.StringTokenizer;
+
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class ArrowLineEndStyle implements ILineEndStyle, Serializable {
+
+ private static final long serialVersionUID = -346653685430483245L;
+
+ public static enum ArrowType { None, Stroke, Fill }
+
+ public static final double DEFAULT_LENGTH = 8.0;
+ public static final double DEFAULT_WIDTH = 4.0;
+ public static final double DEFAULT_SPACE = 0.0;
+
+ protected ArrowType type;
+ protected double lineEndLength;
+ protected double length;
+ protected double width;
+ protected double space;
+ protected Color color;
+
+ protected transient Path2D path;
+
+ public ArrowLineEndStyle() {
+ this(DEFAULT_LENGTH, DEFAULT_WIDTH, DEFAULT_SPACE, null);
+ }
+
+ public ArrowLineEndStyle(double length, double width, double space) {
+ this(length, width, space, null);
+ }
+
+ public ArrowLineEndStyle(double length, double width, double space, Color color) {
+ this.type = ArrowType.Fill;
+ this.length = length;
+ this.width = width;
+ this.space = space;
+ this.color = color;
+ this.path = arrow(length, width, space);
+ }
+
+ public ArrowLineEndStyle(String desc) {
+ this.type = ArrowType.None;
+ this.lineEndLength = 0.0;
+
+ double l = DEFAULT_LENGTH;
+ double w = DEFAULT_WIDTH;
+ double s = DEFAULT_SPACE;
+
+ StringTokenizer tokenizer = new StringTokenizer(desc);
+ if (tokenizer.hasMoreTokens()) {
+ String type = tokenizer.nextToken();
+ this.type = parseType(type);
+
+ if (tokenizer.hasMoreTokens()) {
+ String ls = tokenizer.nextToken();
+ l = parseSize(ls, length);
+
+ if (tokenizer.hasMoreTokens()) {
+ String ws = tokenizer.nextToken();
+ w = parseSize(ws, width);
+
+ if (tokenizer.hasMoreTokens()) {
+ String ss = tokenizer.nextToken();
+ s = parseSize(ss, space);
+ }
+ }
+ }
+ if (this.type != ArrowType.None) {
+ this.path = arrow(l, w, s);
+ lineEndLength = l+s;
+ }
+ }
+
+ this.width = w;
+ this.length = l;
+ this.space = s;
+ }
+
+ @Override
+ public void render(Graphics2D g, double x, double y, int dir) {
+ if (type == ArrowType.None || path == null)
+ return;
+
+ AffineTransform old = g.getTransform();
+ g.translate(x, y);
+ g.rotate(dir*Math.PI*0.5);
+ if(color != null)
+ g.setColor(color);
+
+ switch (type) {
+ case Fill:
+ g.fill(path);
+ break;
+ case Stroke:
+ g.draw(path);
+ break;
+ }
+
+ g.setTransform(old);
+ }
+
+ @Override
+ public double getLineEndLength(int direction) {
+ return lineEndLength;
+ }
+
+ private static Path2D arrow(double length, double width, double space) {
+ Path2D.Double path = new Path2D.Double();
+ path.moveTo(-space, 0);
+ path.lineTo(-length-space, -width);
+ path.lineTo(-length-space, +width);
+ path.closePath();
+ return path;
+ }
+
+ private static double parseSize(String size, double defaultValue) {
+ try {
+ return Double.parseDouble(size);
+ } catch (NumberFormatException e) {
+ return defaultValue;
+ }
+ }
+
+ private static ArrowType parseType(String type) {
+ String lower = type.toLowerCase();
+ if ("none".equals(lower))
+ return ArrowType.None;
+ if ("stroke".equals(lower))
+ return ArrowType.Stroke;
+ if ("fill".equals(lower))
+ return ArrowType.Fill;
+ throw new IllegalArgumentException("unrecognized arrow type: " + type);
+ }
+
+ @Override
+ public String toString() {
+ return getClass().getSimpleName() + "@" + System.identityHashCode(this) + "[" + type + ", w=" + width + ", l=" + length + ", s=" + space + ", lel=" + lineEndLength + "]";
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ long temp;
+ temp = Double.doubleToLongBits(length);
+ result = prime * result + (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(lineEndLength);
+ result = prime * result + (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(space);
+ result = prime * result + (int) (temp ^ (temp >>> 32));
+ result = prime * result + ((type == null) ? 0 : type.hashCode());
+ temp = Double.doubleToLongBits(width);
+ result = prime * result + (int) (temp ^ (temp >>> 32));
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ ArrowLineEndStyle other = (ArrowLineEndStyle) obj;
+ if (Double.doubleToLongBits(length) != Double.doubleToLongBits(other.length))
+ return false;
+ if (Double.doubleToLongBits(lineEndLength) != Double.doubleToLongBits(other.lineEndLength))
+ return false;
+ if (Double.doubleToLongBits(space) != Double.doubleToLongBits(other.space))
+ return false;
+ if (type != other.type)
+ return false;
+ if (Double.doubleToLongBits(width) != Double.doubleToLongBits(other.width))
+ return false;
+ return true;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff