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puzzles: fix off-by-one in blitter clipping

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Nobody to blame except myself for this one...

Change-Id: I8446b564c3c060411c46675e9baac1c72437c39a
This commit is contained in:
Franklin Wei 2017-11-24 17:27:59 -05:00
parent f51544a0e5
commit d728b9775b
1 changed files with 4 additions and 4 deletions
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8
apps/plugins/puzzles/rockbox.c
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@ -1164,10 +1164,10 @@ static void trim_rect(int *x, int *y, int *w, int *h)
int screenh = zoom_enabled ? zoom_h : LCD_HEIGHT;
/* Clip each coordinate at both extremes of the canvas */
x0 = (x0 < 0 ? 0 : x0 > screenw - 1 ? screenw - 1: x0);
x1 = (x1 < 0 ? 0 : x1 > screenw - 1 ? screenw - 1: x1);
y0 = (y0 < 0 ? 0 : y0 > screenh - 1 ? screenh - 1: y0);
y1 = (y1 < 0 ? 0 : y1 > screenh - 1 ? screenh - 1: y1);
x0 = (x0 < 0 ? 0 : x0 > screenw ? screenw: x0);
x1 = (x1 < 0 ? 0 : x1 > screenw ? screenw: x1);
y0 = (y0 < 0 ? 0 : y0 > screenh ? screenh: y0);
y1 = (y1 < 0 ? 0 : y1 > screenh ? screenh: y1);
/* Transform back into x,y,w,h to return */
*x = x0;