diff options
Diffstat (limited to 'plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/figure/node/BorderedScalableImageFigure.java')
| -rw-r--r-- | plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/figure/node/BorderedScalableImageFigure.java | 217 |
1 files changed, 181 insertions, 36 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/figure/node/BorderedScalableImageFigure.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/figure/node/BorderedScalableImageFigure.java index 5a355603743..29e2b1fe442 100644 --- a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/figure/node/BorderedScalableImageFigure.java +++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/figure/node/BorderedScalableImageFigure.java @@ -1,36 +1,181 @@ -/*****************************************************************************
- * Copyright (c) 2011 CEA LIST.
- *
- * 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:
- *
- * CEA LIST - Initial API and implementation
- *
- *****************************************************************************/
-package org.eclipse.papyrus.infra.gmfdiag.common.figure.node;
-
-import org.eclipse.draw2d.PositionConstants;
-import org.eclipse.gmf.runtime.draw2d.ui.render.RenderedImage;
-import org.eclipse.gmf.runtime.draw2d.ui.render.figures.ScalableImageFigure;
-
-/**
- * Scalable Image figure that will be aligned in the middle/center and keep its own ratio.
- *
- * It is also used to serve as specific implementation in Papyrus, as debug items can be easily added.
- */
-public class BorderedScalableImageFigure extends ScalableImageFigure {
-
- public BorderedScalableImageFigure(RenderedImage renderedImage, boolean useDefaultImageSize, boolean useOriginalColors, boolean antiAlias) {
- super(renderedImage, useDefaultImageSize, useOriginalColors, antiAlias);
- // setBorder(new LineBorder(ColorConstants.red, 2));
- setAlignment(PositionConstants.CENTER | PositionConstants.MIDDLE);
- setMaintainAspectRatio(true);
- // setBackgroundColor(ColorConstants.green);
- // setForegroundColor(ColorConstants.red);
- }
-
-}
+/***************************************************************************** + * Copyright (c) 2011 CEA LIST. + * + * 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: + * + * CEA LIST - Initial API and implementation + * Mickaël ADAM (ALL4TEC) - mickael.adam@all4tec.net - implementation of layout BorderedLayoutManager to provide maintain ratio and color set + * + *****************************************************************************/ +package org.eclipse.papyrus.infra.gmfdiag.common.figure.node; + +import org.eclipse.draw2d.AbstractLayout; +import org.eclipse.draw2d.Graphics; +import org.eclipse.draw2d.IFigure; +import org.eclipse.draw2d.ScrollPane; +import org.eclipse.draw2d.geometry.Dimension; +import org.eclipse.draw2d.geometry.Point; +import org.eclipse.draw2d.geometry.PrecisionDimension; +import org.eclipse.draw2d.geometry.Rectangle; +import org.eclipse.gmf.runtime.draw2d.ui.render.RenderedImage; +import org.eclipse.gmf.runtime.draw2d.ui.render.figures.ScalableImageFigure; +import org.eclipse.papyrus.infra.gmfdiag.common.utils.FigureUtils; +import org.w3c.dom.Document; +import org.w3c.dom.svg.SVGAnimatedLength; +import org.w3c.dom.svg.SVGLength; +import org.w3c.dom.svg.SVGSVGElement; + +/** + * Scalable Image figure that will be aligned in the middle/center and keep its own ratio. + * + * It is also used to serve as specific implementation in Papyrus, as debug items can be easily added. + */ +public class BorderedScalableImageFigure extends ScalableImageFigure { + + public BorderedScalableImageFigure(RenderedImage renderedImage, boolean useDefaultImageSize, boolean useOriginalColors, boolean antiAlias) { + super(renderedImage, useDefaultImageSize, useOriginalColors, antiAlias); + // set a layout manager to override maintain ratio behavior + setLayoutManager(new BorderedLayoutManager()); + } + + @Override + protected void paintFigure(Graphics graphics) { + // Get the parent bounds + Rectangle parentBounds = getParent().getBounds().getCopy(); + + // Set the color from the color of the parent + setBackgroundColor(getParent().getBackgroundColor()); + setForegroundColor(getParent().getForegroundColor()); + + // set the clip of the graphics to the parent clip + graphics.setClip(parentBounds); + super.paintFigure(graphics); + } + + class BorderedLayoutManager extends AbstractLayout { + + /** + * @see org.eclipse.draw2d.LayoutManager#layout(org.eclipse.draw2d.IFigure) + * + * @param container + */ + @Override + public void layout(IFigure container) { + + // if there is aspect ratio and only one figure is set + if (isMaintainAspectRatio() && container.getParent().getChildren().size() == 1) { + // If the ration is maintained + ScalableCompartmentFigure scalableCompartmentFigure = FigureUtils.findParentFigureInstance(container, ScalableCompartmentFigure.class); + + // Get the svg document to calculate ratio + ScalableImageFigure scalableImage = FigureUtils.findChildFigureInstance(getParent(), ScalableImageFigure.class); + org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.SVGImage img = ((org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.SVGImage) scalableImage.getRenderedImage()); + final PrecisionDimension svgDimension = getSvgDimension(img.getDocument()); + + Rectangle scalableCompartmentBounds = scalableCompartmentFigure != null ? scalableCompartmentBounds = scalableCompartmentFigure.getBounds() : container.getBounds(); + + // double scale = scalableCompartmentBounds.preciseWidth() / scalableCompartmentBounds.preciseHeight(); + double ratio = svgDimension.preciseWidth() / svgDimension.preciseHeight(); + + Point center = new Point(scalableCompartmentBounds.x + scalableCompartmentBounds.width / 2, scalableCompartmentBounds.y + scalableCompartmentBounds.height / 2); + + int width = 0; + int height = 0; + int y = 0; + int x = 0; + + // Case width>height + if (scalableCompartmentBounds.width > scalableCompartmentBounds.height) { + if (scalableCompartmentBounds.width > scalableCompartmentBounds.height * ratio) { + width = (int) (scalableCompartmentBounds.height * ratio); + height = scalableCompartmentBounds.height; + } else { + width = scalableCompartmentBounds.width; + height = (int) (scalableCompartmentBounds.width / ratio); + } + + } else {// Case height>width + if (scalableCompartmentBounds.height < scalableCompartmentBounds.width / ratio) { + width = (int) (scalableCompartmentBounds.height * ratio); + height = scalableCompartmentBounds.height; + } else { + width = scalableCompartmentBounds.width; + height = (int) (scalableCompartmentBounds.width / ratio); + } + } + y = center.y - height / 2; + x = center.x - width / 2; + container.setBounds(new Rectangle(x, y, width, height)); + } + // Look for a ScrollBarPane to hide ScrollPane + IFigure parentFigure = container; + while (!(parentFigure instanceof ScrollPane) && parentFigure.getParent() != null) { + parentFigure = parentFigure.getParent(); + } + // Hide the ScrollBar if a ScrollPan is found + if (parentFigure instanceof ScrollPane) { + ((ScrollPane) parentFigure).setScrollBarVisibility(org.eclipse.draw2d.ScrollPane.NEVER); + } + + } + + /** + * Transforms the given SVG animated length to a base value, assuming the units in the SVG are pixels + * + * @param length + * The SVG length + * @return The base value as a double + */ + private double getValueOf(SVGAnimatedLength length) { + if (length == null) { + return 0; + } + SVGLength base = length.getBaseVal(); + if (base == null) { + return 0; + } + return base.getValue(); + } + + /** + * Gets the dimension of the SVG document, assuming the units in the SVG are pixels + * + * @param document + * The SVG document + * @return The equivalent Draw2D dimension + */ + private PrecisionDimension getSvgDimension(Document document) { + double svgWidth = 0; + double svgHeight = 0; + if (document.getDocumentElement() instanceof SVGSVGElement) { + SVGSVGElement svgElement = (SVGSVGElement) document.getDocumentElement(); + if (svgElement != null) { + svgWidth = getValueOf(svgElement.getWidth()); + svgHeight = getValueOf(svgElement.getHeight()); + } + } + return new PrecisionDimension(svgWidth, svgHeight); + } + + /** + * @see org.eclipse.draw2d.AbstractLayout#calculatePreferredSize(org.eclipse.draw2d.IFigure, int, int) + * + * @param container + * @param wHint + * @param hHint + * @return + */ + @Override + protected Dimension calculatePreferredSize(IFigure container, int wHint, int hHint) { + // TODO Auto-generated method stub + return null; + } + + } + +} |