Editing Writing "DEMO" on an image

When saving, enter the following:

####      TT  TT   #####                _____
 ##       TT  TT  ##   ##       /\     |__  /
 ##       TT  TT  ##           /  \      / / 
 ##        TTTT    #####      / /\ \    / /_ 
 ##         TT         ##    / ____ \  /____|
 ##         TT    ##   ##   /_/    \_\       
#######     TT     #####

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= Writing DEMO on an image =

This code example shows how to render a small watermark with the word "DEMO" randomly across on an image when the user clicks the OK button.  You can use this code for public demo versions of your Photoshop plug-ins, so the customer can try out your plug-in before buying it.

<code>
%ffp

ForEveryTile:
{
	int i, j, offset, demo, xstart, step;

if (ctl(CTL_OK)) 
	{

if (Y>X) step=(X)/8; else step=(Y)/8;
		if (step<200) step=200; //Avoid too many "DEMO" on small images
		if (step>400) step=400; //Set maximum "DEMO" distance

for (z=0; z<Z; z++)
	   { 
	   	xstart=0;
		for (y=step/2; y<Y; y+=step)
		{
			if (xstart>0) xstart=0; else xstart=step/2;
			for (x=xstart; x<X; x+=step)
			{
				//Set background for text
				for (j=-5; j<=10; j++)
				for (i=-5; i<=30; i++)
					pset(x+i,y+j,z,blend(pget(x+i,y+j,z),255,z,0,70)); //blend with image

//Set "DEMO" Text
    				//D
    				offset=0;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+1,z,0);
    				pset(x+offset,y+2,z,0);
    				pset(x+offset,y+3,z,0);
    				pset(x+offset,y+4,z,0);
    				offset+=1;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+4,z,0);
    				offset+=1;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+4,z,0);
    				offset+=1;
    				pset(x+offset,y+1,z,0);
    				pset(x+offset,y+2,z,0);
    				pset(x+offset,y+3,z,0);

//E
    				offset=7;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+1,z,0);
    				pset(x+offset,y+2,z,0);
    				pset(x+offset,y+3,z,0);
    				pset(x+offset,y+4,z,0);
    				offset+=1;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+2,z,0);
    				pset(x+offset,y+4,z,0);
    				offset+=1;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+2,z,0);
    				pset(x+offset,y+4,z,0);
    				offset+=1;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+2,z,0);
    				pset(x+offset,y+4,z,0);

//M
    				offset=14;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+1,z,0);
    				pset(x+offset,y+2,z,0);
    				pset(x+offset,y+3,z,0);
    				pset(x+offset,y+4,z,0);
    				offset+=1;
    				pset(x+offset,y+1,z,0);
    				offset=16;
    				pset(x+offset,y+2,z,0);
    				offset+=1;
    				pset(x+offset,y+1,z,0);
    				offset+=1;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+1,z,0);
    				pset(x+offset,y+2,z,0);
    				pset(x+offset,y+3,z,0);
    				pset(x+offset,y+4,z,0);

//0
    				offset=21;
    				pset(x+offset,y+1,z,0);
    				pset(x+offset,y+2,z,0);
    				pset(x+offset,y+3,z,0);
    				offset+=1;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+4,z,0);
    				offset+=1;
    				pset(x+offset,y+0,z,0);
    				pset(x+offset,y+4,z,0);
    				offset+=1;
    				pset(x+offset,y+1,z,0);
    				pset(x+offset,y+2,z,0);
    				pset(x+offset,y+3,z,0);
			}//x
		}//y
   	}//z

}//if OK Button

return true; 
}
</code>

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