-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in 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.g2d.element.handler.impl;\r
-\r
-import java.awt.geom.AffineTransform;\r
-import java.awt.geom.Point2D;\r
-import java.util.Collection;\r
-\r
-import org.simantics.g2d.canvas.ICanvasContext;\r
-import org.simantics.g2d.element.ElementHints;\r
-import org.simantics.g2d.element.IElement;\r
-import org.simantics.g2d.element.handler.Scale;\r
-import org.simantics.g2d.element.handler.Validator;\r
-\r
-/**\r
- * Handler for an element that can be freely scaled.\r
- * \r
- * @author Toni Kalajainen\r
- */\r
-public class Scaleable implements Scale, Validator {\r
-\r
- private static final long serialVersionUID = -4033716332747863703L;\r
-\r
- Double aspectRatio;\r
-\r
- public Scaleable(Double aspectRatio)\r
- {\r
- this.aspectRatio = aspectRatio;\r
- }\r
-\r
- @Override\r
- public Double getFixedAspectRatio(IElement e) {\r
- return aspectRatio;\r
- }\r
-\r
- @Override\r
- public Point2D getScale(IElement e) {\r
- AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
- return _getScale(at);\r
- } \r
-\r
- @Override\r
- public void setScale(IElement e, Point2D newScale) {\r
- Point2D oldScale = getScale(e);\r
- double sx = newScale.getX() / oldScale.getX();\r
- double sy = newScale.getY() / oldScale.getY();\r
- AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
- at = new AffineTransform(at);\r
- at.scale(sx, sy);\r
- e.setHint(ElementHints.KEY_TRANSFORM, at);\r
- }\r
-\r
- @Override\r
- public Point2D getMaximumScale(IElement e) {\r
- return null;\r
- }\r
-\r
- @Override\r
- public Point2D getMinimumScale(IElement e) {\r
- return null;\r
- }\r
-\r
- private static Point2D _getScale(AffineTransform at) {\r
- double m00 = at.getScaleX();\r
- double m11 = at.getScaleY();\r
- double m10 = at.getShearY();\r
- double m01 = at.getShearX();\r
- // Project unit vector to canvas\r
- double sx = Math.sqrt( m00*m00+m10*m10 );\r
- double sy = Math.sqrt( m01*m01+m11*m11 );\r
- return new Point2D.Double(sx, sy);\r
- }\r
-\r
- @Override\r
- public void validate(final IElement e, final ICanvasContext ctx, Collection<Issue> lst) {\r
- /*\r
- if (aspectRatio!=null)\r
- {\r
- // Validate aspect ratio\r
- final Point2D scale = getScale(e);\r
- double currentRatio = scale.getX() / scale.getY();\r
- if (Math.abs(currentRatio - aspectRatio)>0.000001)\r
- {\r
- lst.add(new Issue() {\r
- @Override\r
- public String getMessage() {\r
- return "Aspect ratio is wrong";\r
- }\r
- @Override\r
- public void addSuggestions(Collection<Suggestion> suggestionList) {\r
- suggestionList.add(new Suggestion() {\r
- @Override\r
- public boolean fix() {\r
- double newSx = scale.getX();\r
- double newSy = newSx * aspectRatio;\r
- Point2D newScale = new Point2D.Double(newSx, newSy);\r
- setScale(e, newScale);\r
- ctx.setDirty();\r
- return true;\r
- }\r
- @Override\r
- public String getMessage() {\r
- return "Scale height, keep width";\r
- }});\r
- }});\r
- }\r
- // TODO min scale validator\r
- // TODO max scale validator\r
- }\r
- */\r
- }\r
-\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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.g2d.element.handler.impl;
+
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Point2D;
+import java.util.Collection;
+
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.element.ElementHints;
+import org.simantics.g2d.element.IElement;
+import org.simantics.g2d.element.handler.Scale;
+import org.simantics.g2d.element.handler.Validator;
+
+/**
+ * Handler for an element that can be freely scaled.
+ *
+ * @author Toni Kalajainen
+ */
+public class Scaleable implements Scale, Validator {
+
+ private static final long serialVersionUID = -4033716332747863703L;
+
+ Double aspectRatio;
+
+ public Scaleable(Double aspectRatio)
+ {
+ this.aspectRatio = aspectRatio;
+ }
+
+ @Override
+ public Double getFixedAspectRatio(IElement e) {
+ return aspectRatio;
+ }
+
+ @Override
+ public Point2D getScale(IElement e) {
+ AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);
+ return _getScale(at);
+ }
+
+ @Override
+ public void setScale(IElement e, Point2D newScale) {
+ Point2D oldScale = getScale(e);
+ double sx = newScale.getX() / oldScale.getX();
+ double sy = newScale.getY() / oldScale.getY();
+ AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);
+ at = new AffineTransform(at);
+ at.scale(sx, sy);
+ e.setHint(ElementHints.KEY_TRANSFORM, at);
+ }
+
+ @Override
+ public Point2D getMaximumScale(IElement e) {
+ return null;
+ }
+
+ @Override
+ public Point2D getMinimumScale(IElement e) {
+ return null;
+ }
+
+ private static Point2D _getScale(AffineTransform at) {
+ double m00 = at.getScaleX();
+ double m11 = at.getScaleY();
+ double m10 = at.getShearY();
+ double m01 = at.getShearX();
+ // Project unit vector to canvas
+ double sx = Math.sqrt( m00*m00+m10*m10 );
+ double sy = Math.sqrt( m01*m01+m11*m11 );
+ return new Point2D.Double(sx, sy);
+ }
+
+ @Override
+ public void validate(final IElement e, final ICanvasContext ctx, Collection<Issue> lst) {
+ /*
+ if (aspectRatio!=null)
+ {
+ // Validate aspect ratio
+ final Point2D scale = getScale(e);
+ double currentRatio = scale.getX() / scale.getY();
+ if (Math.abs(currentRatio - aspectRatio)>0.000001)
+ {
+ lst.add(new Issue() {
+ @Override
+ public String getMessage() {
+ return "Aspect ratio is wrong";
+ }
+ @Override
+ public void addSuggestions(Collection<Suggestion> suggestionList) {
+ suggestionList.add(new Suggestion() {
+ @Override
+ public boolean fix() {
+ double newSx = scale.getX();
+ double newSy = newSx * aspectRatio;
+ Point2D newScale = new Point2D.Double(newSx, newSy);
+ setScale(e, newScale);
+ ctx.setDirty();
+ return true;
+ }
+ @Override
+ public String getMessage() {
+ return "Scale height, keep width";
+ }});
+ }});
+ }
+ // TODO min scale validator
+ // TODO max scale validator
+ }
+ */
+ }
+
+
+}
Code Review / simantics / platform.git / blobdiff