Application: gvSIG desktop

package org.gvsig.compat.se.lang;

import java.awt.Font;

import java.awt.Graphics2D;

import java.awt.RenderingHints;

import java.awt.Toolkit;

import java.awt.image.BufferedImage;

import java.awt.image.WritableRaster;

import java.util.prefs.Preferences;

import org.gvsig.compat.lang.GraphicsUtils;

import org.gvsig.compat.print.PrintAttributes;

import org.gvsig.compat.se.print.SePrintAttributes;

/**

 * JSE (Desktop Java) implementation of {@link GraphicsUtils}

 * 

 * @author Juan Lucas Dominguez Rubio jldominguez at prodevelop.es

 * 

 * @see GraphicsUtils

 *

 */

public class SEGraphUtils implements GraphicsUtils{

        public BufferedImage copyBufferedImage(BufferedImage img) {

                BufferedImage image = new BufferedImage(img.getWidth(), img.getHeight(), img.getType());

                WritableRaster w = image.getRaster();

                img.copyData(w);

                return image;

        }

        public BufferedImage createBufferedImage(int w, int h, int type) {

                BufferedImage res = new BufferedImage(

                                w,

                                h,

                                type);

                return res;

        }

        public PrintAttributes createPrintAttributes() {

                return new SePrintAttributes();

        }

        public Font deriveFont(Font srcfont, float newheight) {

                return srcfont.deriveFont(newheight);

        }

        /**

         * Tries to use DPI value from gvSIG preferences. If this does not exist, gets

         * value from Java Toolkit. 

         */

        public int getScreenDPI() {

                Preferences prefsResolution = Preferences.userRoot().node("gvsig.configuration.screen");

                Toolkit kit = Toolkit.getDefaultToolkit();

                int dpi = prefsResolution.getInt("dpi", kit.getScreenResolution());

                return dpi;

        }

        public void translate(Graphics2D g, double x, double y) {

                g.translate(x, y);

        }

        public void setRenderingHintsForDrawing(Graphics2D g) {

                RenderingHints renderHints = new RenderingHints(

                                RenderingHints.KEY_ANTIALIASING,

                                RenderingHints.VALUE_ANTIALIAS_ON);

                renderHints.put(RenderingHints.KEY_RENDERING,

                                RenderingHints.VALUE_RENDER_QUALITY);

                renderHints.put(RenderingHints.KEY_TEXT_ANTIALIASING,

                                RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

                g.setRenderingHints(renderHints);

        }

        public void setRenderingHintsForPrinting(Graphics2D g) {

                RenderingHints renderHints = new RenderingHints(

                                RenderingHints.KEY_ANTIALIASING,

                                RenderingHints.VALUE_ANTIALIAS_ON);

                renderHints.put(RenderingHints.KEY_RENDERING,

                                RenderingHints.VALUE_RENDER_QUALITY);

                g.setRenderingHints(renderHints);

        }

}