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graphics: include RearrangeTiles.java (another utility script I wrote)

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git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@716 d9718cc8-9f43-0410-858b-315f434eb58c
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jason@long.name 2013-06-26 22:12:03 +00:00
parent aad8ce76f2
commit a560ccd1dd
1 changed files with 56 additions and 0 deletions
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src/micropolisj/build_tool/RearrangeTiles.java Normal file
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package micropolisj.build_tool;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.*;
import javax.imageio.*;
import javax.swing.ImageIcon;
/**
* Just a little utility I wrote to rearrange 16x16 tiles into a grid
* of a different width. Not included in the Micropolis build.
*/
public class RearrangeTiles
{
static final int DEST_COLUMNS = 16;
static final int TILE_SIZE = 16;
public static void main(String [] args)
throws Exception
{
File inputFile = new File(args[0]);
File outputFile = new File(args[1]);
// read in the image
Image srcImage = new ImageIcon(inputFile.toString()).getImage();
int srcCols = srcImage.getWidth(null) / TILE_SIZE;
int srcRows = srcImage.getHeight(null) / TILE_SIZE;
int ntiles = srcRows * srcCols;
// actually assemble the image
int destCols = DEST_COLUMNS;
int destRows = (ntiles + destCols-1) / destCols;
BufferedImage buf = new BufferedImage(TILE_SIZE*DEST_COLUMNS,TILE_SIZE*destRows,BufferedImage.TYPE_INT_RGB);
Graphics2D gr = buf.createGraphics();
for (int i = 0; i < ntiles; i++) {
int srcRow = i / srcCols;
int srcCol = i % srcCols;
int destRow = i / destCols;
int destCol = i % destCols;
gr.drawImage(
srcImage,
destCol*TILE_SIZE, destRow*TILE_SIZE,
(destCol+1)*TILE_SIZE,(destRow+1)*TILE_SIZE,
srcCol*TILE_SIZE, srcRow*TILE_SIZE,
(srcCol+1)*TILE_SIZE, (srcRow+1)*TILE_SIZE,
null);
}
ImageIO.write(buf, "png", outputFile);
}
}