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Fix background[] pos-offset lower-right-corner being at least (1,1) (#13320)

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IGUIElement has a MinSize for the RelativeRect, which is at least (1,1).
This means a pos offset of (0,0) will cause a seemingly off-by-1 error at the
lower right corner, and (0.1,0.1) for example will just not work on the lower
right corner.
Ergo, we can't use the AbsoluteRect for storing the pos offset.
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DS 2023-04-14 21:05:09 +02:00 • committed by GitHub
parent d49d80a4a0
commit ae7271b725
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3 changed files with 19 additions and 10 deletions
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9
src/gui/guiFormSpecMenu.cpp
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@ -1101,17 +1101,18 @@ void GUIFormSpecMenu::parseBackground(parserData* data, const std::string &eleme
258 + m_fields.size()
);
core::rect<s32> rect;
core::rect<s32> rect{};
v2s32 autoclip_offset{};
if (!clip) {
// no auto_clip => position like normal image
rect = core::rect<s32>(pos, pos + geom);
} else {
// it will be auto-clipped when drawing
rect = core::rect<s32>(-pos, pos);
// element will be auto-clipped when drawing
autoclip_offset = pos;
}
GUIBackgroundImage *e = new GUIBackgroundImage(Environment, data->background_parent.get(),
spec.fid, rect, name, middle, m_tsrc, clip);
spec.fid, rect, name, middle, m_tsrc, clip, autoclip_offset);
FATAL_ERROR_IF(!e, "Failed to create background formspec element");