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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.
This commit is contained in:
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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16
src/gui/guiBackgroundImage.cpp
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@ -22,9 +22,10 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
GUIBackgroundImage::GUIBackgroundImage(gui::IGUIEnvironment *env,
gui::IGUIElement *parent, s32 id, const core::rect<s32> &rectangle,
const std::string &name, const core::rect<s32> &middle,
ISimpleTextureSource *tsrc, bool autoclip) :
ISimpleTextureSource *tsrc, bool autoclip, v2s32 autoclip_offset) :
gui::IGUIElement(gui::EGUIET_ELEMENT, env, parent, id, rectangle),
m_name(name), m_middle(middle), m_tsrc(tsrc), m_autoclip(autoclip)
m_name(name), m_middle(middle), m_tsrc(tsrc), m_autoclip(autoclip),
m_autoclip_offset(autoclip_offset)
{
}
@ -42,9 +43,14 @@ void GUIBackgroundImage::draw()
return;
}
core::rect<s32> rect = AbsoluteRect;
if (m_autoclip)
rect.LowerRightCorner += Parent->getAbsoluteClippingRect().getSize();
core::rect<s32> rect;
if (m_autoclip) {
rect = Parent->getAbsoluteClippingRect();
rect.UpperLeftCorner -= m_autoclip_offset;
rect.LowerRightCorner += m_autoclip_offset;
} else {
rect = AbsoluteRect;
}
video::IVideoDriver *driver = Environment->getVideoDriver();