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Fix some memleaks from GUIButtonImage (#13564) 

* `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
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 13 additions and 19 deletions
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25
src/gui/guiButtonImage.cpp
View File

@ -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();
}

7
src/gui/guiButtonImage.h
View File

@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "guiButton.h"
#include "IGUIButton.h"
#include "guiAnimatedImage.h"
#include "irr_ptr.h"
using namespace irr;
@ -33,7 +34,7 @@ public:
s32 id, core::rect<s32> rectangle, ISimpleTextureSource *tsrc,
bool noclip = false);
void setForegroundImage(video::ITexture *image = nullptr,
void setForegroundImage(irr_ptr<video::ITexture> image = nullptr,
const core::rect<s32> &middle = core::rect<s32>());
//! Set element properties from a StyleSpec
@ -46,6 +47,6 @@ public:
const wchar_t *tooltiptext = L"");
private:
video::ITexture *m_foreground_image = nullptr;
GUIAnimatedImage *m_image;
irr_ptr<video::ITexture> m_foreground_image;
irr_ptr<GUIAnimatedImage> m_image;
};