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Fix calculation of scaled SIXEL size, from nincsnevem662 at gmail dot com in

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GitHub issue 4739.
This commit is contained in:
Nicholas Marriott
2025-12-08 21:41:30 +00:00
parent 5c73d3878d
commit 2e5e9c0298
1 changed files with 4 additions and 4 deletions
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8
image-sixel.c
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@@ -455,12 +455,12 @@ sixel_scale(struct sixel_image *si, u_int xpixel, u_int ypixel, u_int ox,
new->p2 = si->p2;
new->set_ra = si->set_ra;
/* clamp to slice end */
new->ra_x = si->ra_x < psx ? si->ra_x : psx;
new->ra_y = si->ra_y < psy ? si->ra_y : psy;
/* subtract slice origin */
/* subtract offset */
new->ra_x = new->ra_x > pox ? new->ra_x - pox : 0;
new->ra_y = new->ra_y > poy ? new->ra_y - poy : 0;
/* clamp to size */
new->ra_x = si->ra_x < psx ? si->ra_x : psx;
new->ra_y = si->ra_y < psy ? si->ra_y : psy;
/* resize */
new->ra_x = new->ra_x * xpixel / si->xpixel;
new->ra_y = new->ra_y * ypixel / si->ypixel;