Facing new challenges everyday

Juntando imagens no Java

January 19th, 2007

Esse código abaixo é de minha autoria e exemplifica a junção de imagens usando Java:

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package com.fastsearch.images;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

public class ConcatImage {

/**
* @param args
*/
public static void main(String[] args) {

Object[] statesData = loadImages();

BufferedImage bufferedImage = new BufferedImage(280,
280, BufferedImage.TYPE_INT_RGB);

Graphics2D g2d = bufferedImage.createGraphics();
g2d.setColor(Color.WHITE);
g2d.fillRect(0, 0, 280, 280);

int index = 0;
int size = statesData.length;
while(index < size) {
String fileName = (String) ((Object[])
statesData[index])[0];
Integer x = (Integer) ((Object[])
statesData[index])[1];
Integer y = (Integer) ((Object[])
statesData[index])[2];
Color color = (Color) ((Object[])
statesData[index])[3];
File file = new File(args[0] + File.separator + fileName);
try {
BufferedImage image = ImageIO.read(file);
int width = image.getWidth();
int height = image.getHeight();
for(int posX = 0; posX < width; posX++)
{
for(int posY = 0; posY < height; posY++)
{
int colorCode = image.getRGB(posX, posY);
if(colorCode != 0 &&
colorCode > new Color(0, 0, 0).getRGB())
{
image.setRGB(posX, posY,
new Color(244, 244, 244).getRGB());
}
}
}

g2d.drawImage(image, x.intValue(), y.intValue(), null);
}
catch (IOException error) {
System.out.println("File not found!");
}
index++;
}
try {
ImageIO.write(bufferedImage, "png",
new File(args[0] + File.separator + "BRASIL.PNG"));
}
catch (IOException error) {
System.out.println("Can't generate output file!");
}
}

private static Object[] loadImages() {
Object[] imagesData = new Object[27];

imagesData[0] = new Object[]{"AC.png", new Integer(0), new Integer(93), Color.CYAN};
imagesData[1] = new Object[]{"AM.png", new Integer(0), new Integer(25), Color.BLUE};
imagesData[2] = new Object[]{"PA.png", new Integer(101), new Integer(23), Color.YELLOW};
imagesData[3] = new Object[]{"AP.png", new Integer(129), new Integer(10), Color.BLUE};
imagesData[4] = new Object[]{"RO.png", new Integer(56), new Integer(95), Color.YELLOW};
imagesData[5] = new Object[]{"RR.png", new Integer(60), new Integer(5), Color.BLUE};
imagesData[6] = new Object[]{"AL.png", new Integer(243), new Integer(103), Color.YELLOW};
imagesData[7] = new Object[]{"BA.png", new Integer(185), new Integer(100), Color.PINK};
imagesData[8] = new Object[]{"CE.png", new Integer(220), new Integer(60), Color.YELLOW};
imagesData[9] = new Object[]{"MA.png", new Integer(172), new Integer(50), Color.BLUE};
imagesData[10] = new Object[]{"PB.png", new Integer(238), new Integer(85), Color.BLUE};
imagesData[11] = new Object[]{"PE.png", new Integer(220), new Integer(92), Color.BLUE};
imagesData[12] = new Object[]{"PI.png", new Integer(188), new Integer(59), Color.GREEN};
imagesData[13] = new Object[]{"RN.png", new Integer(238), new Integer(76), Color.LIGHT_GRAY};
imagesData[14] = new Object[]{"SE.png", new Integer(240), new Integer(106), Color.GREEN};
imagesData[15] = new Object[]{"TO.png", new Integer(157), new Integer(75), Color.GREEN};
imagesData[16] = new Object[]{"GO.png", new Integer(141), new Integer(128), Color.BLUE};
imagesData[17] = new Object[]{"GO.png", new Integer(141), new Integer(128), Color.BLUE};
imagesData[18] = new Object[]{"MT.png", new Integer(85), new Integer(90), Color.BLUE};
imagesData[19] = new Object[]{"MS.png", new Integer(111), new Integer(157), Color.GREEN};
imagesData[20] = new Object[]{"MG.png", new Integer(155), new Integer(140), Color.BLUE};
imagesData[21] = new Object[]{"ES.png", new Integer(213), new Integer(166), Color.BLUE};
imagesData[22] = new Object[]{"SP.png", new Integer(142), new Integer(175), Color.BLUE};
imagesData[23] = new Object[]{"RJ.png", new Integer(193), new Integer(185), Color.YELLOW};
imagesData[24] = new Object[]{"PR.png", new Integer(135), new Integer(193), Color.BLUE};
imagesData[25] = new Object[]{"SC.png", new Integer(138), new Integer(216), Color.YELLOW};
imagesData[26] = new Object[]{"RS.png", new Integer(117), new Integer(225), Color.YELLOW};

return imagesData;
}

}