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Diffstat (limited to 'src/jcckit/GraphicsPlotCanvas.java')
| -rw-r--r-- | src/jcckit/GraphicsPlotCanvas.java | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/src/jcckit/GraphicsPlotCanvas.java b/src/jcckit/GraphicsPlotCanvas.java deleted file mode 100644 index 5d2b41b..0000000 --- a/src/jcckit/GraphicsPlotCanvas.java +++ /dev/null @@ -1,228 +0,0 @@ -/* - * Copyright 2003-2004, Franz-Josef Elmer, All rights reserved - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 2.1 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details - * (http://www.gnu.org/copyleft/lesser.html). - * - * You should have received a copy of the GNU Lesser General Public License - * along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -package jcckit; - -import java.awt.Color; -import java.awt.Dimension; -import java.awt.Graphics2D; -import java.awt.RenderingHints; -import java.awt.image.BufferedImage; - -import jcckit.graphic.GraphicalElement; -import jcckit.graphic.Renderer; -import jcckit.plot.Plot; -import jcckit.plot.PlotCanvas; -import jcckit.renderer.Graphics2DRenderer; -import jcckit.renderer.Transformation; -import jcckit.util.ConfigParameters; -import jcckit.util.Factory; - -/** - * Class which handles plotting into a <tt>Graphics</tt> context based on the - * {@link jcckit.renderer.GraphicsRenderer}. This class is not a subclass of - * <tt>java.awt.Component</tt>. The actual AWT component presenting the plot - * is an innerclass. Its instance wrapped by <tt>GraphicsPlotCanvas</tt> can - * be obtained with {@link #getGraphicsCanvas}. - * <p> - * The plot is painted by using double-buffering and pre-rendered view of the - * coordinate system. That is, the coordinate system is drawn into an off-screen - * image. It will be redrawn only if the size of the embedding AWT component is - * changed. - * - * @author Franz-Josef Elmer - */ -public class GraphicsPlotCanvas extends PlotCanvas { - /** Key of a configuration parameter. */ - public static final String BACKGROUND_KEY = "background"; - public static final String FOREGROUND_KEY = "foreground"; - public static final String DOUBLE_BUFFERING_KEY = "doubleBuffering"; - - /** - * Class which does the actual painting. Needs the <tt>Component</tt> into - * which the plot is painted for some resources like size, background color, - * etc. - * - * @author Franz-Josef Elmer - */ - private final BufferedImage img3; - - private final Graphics2D g3; - - private Transformation _transformation; - private String _renderer = "jcckit.renderer.GraphicsRenderer"; - - private GraphicalElement _marker; - - /** - * Creates an instance from the specified configuration parameters. <table - * border=1 cellpadding=5> - * <tr> - * <th>Key & Default Value</th> - * <th>Type</th> - * <th>Mandatory</th> - * <th>Description</th> - * </tr> - * <tr> - * <td><tt>background = </tt><i>default background color of the wrapped - * AWT component</i></td> - * <td><tt>Color</tt></td> - * <td>no</td> - * <td>Background color of the wrapped AWT component.</td> - * </tr> - * <tr> - * <td><tt>foreground = </tt><i>default foreground color of the wrapped - * AWT component</i></td> - * <td><tt>Color</tt></td> - * <td>no</td> - * <td>Foreground color of the wrapped AWT component.</td> - * </tr> - * <tr> - * <td><tt>doubleBuffering = true</td> - * <td><tt>boolean</tt></td><td>no</td> - * <td>If <tt>true</tt> the plot will be painted by using - * double-buffering and pre-rendered view of the coordinate system. - * </td></tr> - * </table> - * In addition the configuration parameters of the - * <a href="plot/PlotCanvas.html#PlotCanvas(jcckit.util.ConfigParameters)"> - * constructor</a> of the superclass {@link jcckit.plot.PlotCanvas} apply. - */ - public GraphicsPlotCanvas(ConfigParameters config, BufferedImage img3) { - super(config); - this.img3 = img3; - setRenderer("jcckit.renderer.Graphics2DRenderer"); - - g3 = img3.createGraphics(); - g3.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); - - // _doubleBuffering = config.getBoolean(DOUBLE_BUFFERING_KEY, true); - background = config.getColor(BACKGROUND_KEY, Color.WHITE); - foreground = config.getColor(FOREGROUND_KEY, Color.BLACK); - } - - private final Color background; - private final Color foreground; - - /** - * Paints the plot. If {@link GraphicsPlotCanvas#_doubleBuffering} is set - * double-buffering and pre-rendered view of the coordinate system is used. - */ - public void paint() { - Dimension size = new Dimension(img3.getWidth(), img3.getHeight()); - g3.setColor(background); - g3.fillRect(0, 0, size.width + 1, size.height + 1); - - init(size); - - _transformation.apply(g3); - Plot plot = getPlot(); - drawCoordinateSystem(size, plot); - drawPlot(plot); - if (_marker != null) { - _marker.renderWith(createRenderer()); - } - } - - private void drawPlot(Plot plot) { - prepare(); - Renderer renderer = createRenderer(); - GraphicalElement[] curves = plot.getCurves(); - for (int i = 0; i < curves.length; i++) { - curves[i].renderWith(renderer); - } - GraphicalElement annotation = plot.getAnnotation(); - if (annotation != null) { - annotation.renderWith(renderer); - } - if (plot.isLegendVisible()) { - plot.getLegend().renderWith(renderer); - } - } - - private void init(Dimension size) { - calculateTransformation(size); - } - - private void drawCoordinateSystem(Dimension size, Plot plot) { - g3.setColor(foreground); - plot.getCoordinateSystem().renderWith(createRenderer()); - } - - /** - * Prepare graphics context before drawing the pre-rendered view of the - * coordinate system. Does nothing but will be used in subclasses. - */ - protected void prepare() { - } - - /** - * Calculate the transformation form device-independent coordinates into - * device-dependent coordinates according to the specified canvas size. - */ - protected void calculateTransformation(Dimension size) { - _transformation = new Transformation(size.width, size.height, getPaper(), getHorizontalAnchor(), - getVerticalAnchor()); - } - - /** - * Creates an appropriated {@link Renderer} for the specified - * <tt>Graphics</tt> context. - */ - protected Renderer createRenderer() { - return ((Graphics2DRenderer) Factory.create(_renderer)).init(g3); - // return ((GraphicsRenderer) Factory.create(_renderer)).init(g, null, - // _transformation); - } - - /** - * Sets the renderer used to render the plot. The default value is - * {@link GraphicsRenderer}. - * - * @param className - * Fully qualified name of the renderer class. - */ - public void setRenderer(String className) { - _renderer = className; - } - - // /** - // * Maps the cursor position onto a point in device-independent - // coordinates. - // * - // * @param x - // * X-coordinate of the cursor. - // * @param y - // * Y-coordinate of the cursor. - // */ - // public GraphPoint mapCursorPosition(int x, int y) { - // return _transformation.transformBack(x, y); - // } - - /** - * Defines a graphical marker which will be drawn on top of the plot. To - * remove the marker call this method with argument <tt>null</tt>. - * - * @param marker - * Marker element. Can be <tt>null</tt>. - */ - public void setMarker(GraphicalElement marker) { - _marker = marker; - } - -} |