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fix(core): fix display_icon function - incorrect boundaries checks

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tychovrahe 2022-04-27 13:17:20 +02:00 committed by matejcik
parent f7a3aad9bd
commit 0e778cf16d
1 changed files with 2 additions and 2 deletions
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4
core/embed/extmod/modtrezorui/display.c
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@ -386,8 +386,8 @@ void display_icon(int x, int y, int w, int h, const void *data,
int st = uzlib_uncompress(&decomp);
if (st == TINF_DONE) break; // all OK
if (st < 0) break; // error
const int px = pos % w;
const int py = pos / w;
const int px = (pos * 2) % w;
const int py = (pos * 2) / w;
if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
PIXELDATA(colortable[decomp_out >> 4]);
PIXELDATA(colortable[decomp_out & 0x0F]);