46 lines
1.4 KiB
Java
46 lines
1.4 KiB
Java
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/*************************************************************************
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* Compilation: javac PictureDump.java
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* Execution: java PictureDump width height < file
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* Dependencies: BinaryStdIn.java Picture.java
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* Data file: http://introcs.cs.princeton.edu/stdlib/abra.txt
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*
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* Reads in a binary file and writes out the bits as w-by-h picture,
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* with the 1 bits in black and the 0 bits in white.
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*
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* % more abra.txt
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* ABRACADABRA!
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*
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* % java PictureDump 16 6 < abra.txt
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*
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*************************************************************************/
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import java.awt.Color;
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import edu.princeton.cs.introcs.BinaryStdIn;
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import edu.princeton.cs.introcs.Picture;
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import edu.princeton.cs.introcs.StdOut;
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public class PictureDump {
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public static void main(String[] args) {
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int width = Integer.parseInt(args[0]);
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int height = Integer.parseInt(args[1]);
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Picture pic = new Picture(width, height);
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int count = 0;
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for (int i = 0; i < height; i++) {
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for (int j = 0; j < width; j++) {
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pic.set(j, i, Color.RED);
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if (!BinaryStdIn.isEmpty()) {
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count++;
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boolean bit = BinaryStdIn.readBoolean();
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if (bit) pic.set(j, i, Color.BLACK);
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else pic.set(j, i, Color.WHITE);
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}
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}
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}
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pic.show();
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StdOut.println(count + " bits");
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}
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}
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