// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Calculate a frame aperture with mat borders
// Not compiled or tested in-world
// Setup: Put in a spare owned prim. Set image width/height, overlap, mat width and frame width. Touch to print the plan privately.
// Stop / restore: Remove/disable; calculations do not alter objects.
// Notes: Overlap must leave positive visible image dimensions; borders are symmetric.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Calculation only.
float IMAGE_W=2.0;
float IMAGE_H=1.4;
float OVERLAP=0.02;
float MAT=0.15;
float FRAME=0.08;
default
{
    touch_start(integer detectedCount)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        if(IMAGE_W<=2.0*OVERLAP||IMAGE_H<=2.0*OVERLAP||OVERLAP<0.0||MAT<0.0||FRAME<0.0)
        {
            llOwnerSay("Invalid frame inputs.");
            return;
        }
        float apertureW=IMAGE_W-2.0*OVERLAP;
        float apertureH=IMAGE_H-2.0*OVERLAP;
        llOwnerSay("Aperture="+(string)<apertureW,apertureH,0.0>+" outer="+(string)<apertureW+2.0*(MAT+FRAME),apertureH+2.0*(MAT+FRAME),0.0>);
    }
}