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rootless: Fix Glyphs damage bounding box to correctly compute union

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RootlessGlyphs used max() for box.x1 and box.y1 when accumulating the
bounding box across glyphs in a list.  Computing the union of bounding
boxes requires min() for the lower coordinate corner and max for the
higher coordinate corner.

Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
(cherry picked from commit e8936920ee)
This commit is contained in:
Jeremy Huddleston Sequoia 2026-03-21 17:09:30 -07:00
parent d5aefa60ce
commit 09eb9aa351
1 changed files with 2 additions and 2 deletions
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4
miext/rootless/rootlessScreen.c
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@ -332,8 +332,8 @@ RootlessGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
x2 = x1 + glyph->info.width;
y2 = y1 + glyph->info.height;
box.x1 = max(box.x1, x1);
box.y1 = max(box.y1, y1);
box.x1 = min(box.x1, x1);
box.y1 = min(box.y1, y1);
box.x2 = max(box.x2, x2);
box.y2 = max(box.y2, y2);