Application: gvSIG desktop

/*

 * Created on 25-feb-2005

 */

package org.cresques.io.raster;

import java.awt.Image;

import java.awt.image.BufferedImage;

/**

 * Renderiza el raster.

 * @author Luis W. Sevilla (sevilla_lui@gva.es)

 */

public class RasterToImageFilter extends RasterFilter {

        private BufferedImage image;

        private int alpha;

        private int rgb;

        public RasterToImageFilter(RasterBuf raster, int a) {

                super(raster, null);

                this.alpha = (a & 0xff) << 24;

                image = new BufferedImage(raster.getWidth(), raster.getHeight(), BufferedImage.TYPE_INT_ARGB);

                execute();

        }

        /* (non-Javadoc)

         * @see org.cresques.px.PxRaster.RasterFilter#process(int, int)

         */

        public void process(int x, int y) {

                raster.getPixelInt(x, y, px);

                rgb = alpha | ((px[0] & 0xff) << 16) |

                                ((px[1] & 0xff) << 8) | (px[2] & 0xff);

                image.setRGB(x, y, rgb);

        }

        public Image getImage() { return image; }

        /* (non-Javadoc)

         * @see org.cresques.px.PxRaster.RasterFilter#processLines(int)

         */

        public void processLine(int y) {

                for (int x=0; x<width; x++) {

                        int [][] line = raster.getLineInt(y);

                        rgb = alpha | ((line[x][0] & 0xff) << 16) |

                                ((line[x][1] & 0xff) << 8) | (line[x][2] & 0xff);

                                image.setRGB(x, y, rgb);

                }

        }

}