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Fix some memleaks from GUIButtonImage (#13564)

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* `m_foreground_image` was grabbed, but not dropped in the destructor.
* `m_image` was created with new. It is grabbed by itself and by the env (not only by the env!, so it's an owning ptr). This owning ptr also was never dropped.
This commit is contained in:
DS
2023-06-06 19:01:32 +02:00
committed by GitHub
parent 1b51ff333a
commit 553dc02deb
2 changed files with 13 additions and 19 deletions
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25
src/gui/guiButtonImage.cpp
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@@ -35,24 +35,18 @@ GUIButtonImage::GUIButtonImage(gui::IGUIEnvironment *environment,
: GUIButton(environment, parent, id, rectangle, tsrc, noclip)
{
GUIButton::setScaleImage(true);
m_image = new GUIAnimatedImage(environment, this, id, rectangle);
sendToBack(m_image);
m_image = make_irr<GUIAnimatedImage>(environment, this, id, rectangle);
sendToBack(m_image.get());
}
void GUIButtonImage::setForegroundImage(video::ITexture *image,
void GUIButtonImage::setForegroundImage(irr_ptr<video::ITexture> image,
const core::rect<s32> &middle)
{
if (image == m_foreground_image)
return;
if (image != nullptr)
image->grab();
if (m_foreground_image != nullptr)
m_foreground_image->drop();
m_foreground_image = image;
m_image->setTexture(image);
m_foreground_image = std::move(image);
m_image->setTexture(m_foreground_image.get());
m_image->setMiddleRect(middle);
}
@@ -67,8 +61,8 @@ void GUIButtonImage::setFromStyle(const StyleSpec &style)
video::ITexture *texture = style.getTexture(StyleSpec::FGIMG,
getTextureSource());
setForegroundImage(guiScalingImageButton(driver, texture,
AbsoluteRect.getWidth(), AbsoluteRect.getHeight()),
setForegroundImage(::grab(guiScalingImageButton(driver, texture,
AbsoluteRect.getWidth(), AbsoluteRect.getHeight())),
style.getRect(StyleSpec::FGIMG_MIDDLE, m_image->getMiddleRect()));
} else {
setForegroundImage();
@@ -80,7 +74,7 @@ GUIButtonImage *GUIButtonImage::addButton(IGUIEnvironment *environment,
IGUIElement *parent, s32 id, const wchar_t *text,
const wchar_t *tooltiptext)
{
GUIButtonImage *button = new GUIButtonImage(environment,
auto button = make_irr<GUIButtonImage>(environment,
parent ? parent : environment->getRootGUIElement(), id, rectangle, tsrc);
if (text)
@@ -89,6 +83,5 @@ GUIButtonImage *GUIButtonImage::addButton(IGUIEnvironment *environment,
if (tooltiptext)
button->setToolTipText(tooltiptext);
button->drop();
return button;
return button.get();
}