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Merge pull request #23283 from vrabaud:5_overflow

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Fix signed integer overflow.
This commit is contained in:
Alexander Smorkalov
2023-03-10 10:04:08 +03:00
committed by GitHub
parent 23dec329b4 f7ce715596
commit a792252b55
1 changed files with 4 additions and 1 deletions
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modules/imgproc/src/stb_truetype.cpp
+4 -1
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@@ -3530,11 +3530,14 @@ STBTT_DEF unsigned char* stbtt_GetGlyphBitmapSubpixelRealloc(const stbtt_fontinf
iy1 = STBTT_max(iy1, y);
}
}
int w = ix1 - ix0 + 1, h = iy1 - iy0 + 1;
int w, h;
if (ix0 == INT_MAX || iy0 == INT_MAX || ix1 == INT_MIN || iy1 == INT_MIN ) {
w = h = 0;
ix0 = pad_x;
iy0 = pad_y;
} else {
w = ix1 - ix0 + 1;
h = iy1 - iy0 + 1;
}
if (width) *width = w;
if (height) *height = h;