RosettaCodeData/Task/Bitmap-Write-a-PPM-file/Modula-3/bitmap-write-a-ppm-file-2.mod3

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MODULE PPM;
IMPORT Bitmap, Wr, FileWr, Pathname;
FROM Fmt IMPORT F, Int;
<*FATAL ANY*>
VAR imgfilewr: FileWr.T;
PROCEDURE Create(imgfile: Pathname.T; img: Bitmap.T) =
VAR height := LAST(img^);
width := LAST(img[0]);
color: Bitmap.Pixel;
BEGIN
imgfilewr := FileWr.Open(imgfile);
Wr.PutText(imgfilewr, F("P6\n%s %s\n255\n", Int(height + 1), Int(width + 1)));
FOR i := 0 TO height DO
FOR j := 0 TO width DO
color := img[i,j];
Wr.PutChar(imgfilewr, VAL(color.R, CHAR));
Wr.PutChar(imgfilewr, VAL(color.G, CHAR));
Wr.PutChar(imgfilewr, VAL(color.B, CHAR));
END;
END;
Wr.PutChar(imgfilewr, '\n');
Wr.Flush(imgfilewr);
END Create;
BEGIN
END PPM.