imagetiler.java

来自「ajax修炼之道源代码。很难下到的。现在奉献给大家。」· Java 代码 · 共 46 行

/***
 * Excerpted from "Pragmatic Ajax"
 * We make no guarantees that this code is fit for any purpose. 
 * Visit http://www.pragmaticprogrammer.com/titles/ajax for more book information.
***/
package com.ajaxian.amaps;

import org.apache.batik.apps.rasterizer.DestinationType;
import org.apache.batik.apps.rasterizer.SVGConverter;

import javax.imageio.ImageIO;
import java.io.File;
import java.awt.*;
import java.awt.image.BufferedImage;

public class ImageTiler {
    private static final String BASE_DIR = "resources/";
    private static final int TILE_WIDTH = 100;
    private static final int TILE_HEIGHT = 100;

    public static void main(String[] args) throws Exception {
        // create the tiles
        String[][] sources = { { "tiles/mapSpain.jpg", "0" },
                {"tiles/mapSpain-smaller.jpg", "1"} };
        for (int i = 0; i < sources.length; i++) {
            String[] source = sources[i];
            BufferedImage bi = ImageIO.read(new File(BASE_DIR + source[0]));
            int columns = bi.getWidth() / TILE_WIDTH;
            int rows = bi.getHeight() / TILE_HEIGHT;
            for (int x = 0; x < columns; x++) {
                for (int y = 0; y < rows; y++) {
                    BufferedImage img = new BufferedImage(TILE_WIDTH, TILE_HEIGHT,
                            bi.getType());
                    Graphics2D newGraphics = (Graphics2D) img.getGraphics();
                    newGraphics.drawImage(bi, 0, 0, TILE_WIDTH, TILE_HEIGHT,
                            TILE_WIDTH * x, TILE_HEIGHT * y,
                            TILE_WIDTH * x + TILE_WIDTH,
                            TILE_HEIGHT * y + TILE_HEIGHT,
                            null);
                    ImageIO.write(img, "JPG", new File(BASE_DIR + "tiles/" +
                            "x" + x + "y" + y + "z" + source[1] + ".jpg"));
                }
            }
        }
    }
}