Re: [9fans] Pico (again)

[Micah Stetson <micah@cnm-vra.com>]

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> common to most unix command line programs on Plan 9. i've not
> checked to see that it does sensable things with images, though,
> mainly because i don't know what to do with popi's output. 

Here is a program that takes popi's output and makes a plan9
image from it.  It isn't anything amazing, but maybe it will
save you a few seconds.

Micah


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The following attachment had content that we can't
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	Content-Type: text/x-csrc; charset=us-ascii
	Content-Disposition: attachment; filename="popi2image.c"

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#include <u.h>
#include <libc.h>
#include <draw.h>
#include <memdraw.h>

#define DEF_X	248	/* image width  */
#define DEF_Y	248	/* image height */

void
main(void)
{
	int i;
	uchar *pix;
	Memimage *img;

	memimageinit();

	pix = (uchar*)malloc(DEF_X * DEF_Y);

	for (i = 0; i < DEF_Y; i++)
		if(readn(0, pix+i*DEF_X, DEF_X) != DEF_X) {
			fprint(2, "popi2image: read error\n", i);
			exits("read");
		}

	img = allocmemimage(Rect(0,0,DEF_X,DEF_Y), GREY8);
	loadmemimage(img, Rect(0,0,DEF_X,DEF_Y), pix, DEF_X*DEF_Y);
	writememimage(1, img);

	exits(0);
}