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fix: prevent inf recursion when mod icon load fails; cut max pixmapcache to 1/4 previous value

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Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>
This commit is contained in:
Rachel Powers
2024-10-11 13:26:20 -07:00
parent 0c4c86c41f
commit 09c9da268f
5 changed files with 55 additions and 45 deletions
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41
launcher/minecraft/mod/Mod.cpp
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@ -36,6 +36,7 @@
*/
#include "Mod.h"
#include <qpixmap.h>
#include <QDebug>
#include <QDir>
@ -241,7 +242,7 @@ void Mod::finishResolvingWithDetails(ModDetails&& details)
if (metadata)
setMetadata(std::move(metadata));
if (!iconPath().isEmpty()) {
m_pack_image_cache_key.was_read_attempt = false;
m_packImageCacheKey.wasReadAttempt = false;
}
}
@ -290,45 +291,53 @@ auto Mod::issueTracker() const -> QString
return details().issue_tracker;
}
void Mod::setIcon(QImage new_image) const
QPixmap Mod::setIcon(QImage new_image) const
{
QMutexLocker locker(&m_data_lock);
Q_ASSERT(!new_image.isNull());
if (m_pack_image_cache_key.key.isValid())
PixmapCache::remove(m_pack_image_cache_key.key);
if (m_packImageCacheKey.key.isValid())
PixmapCache::remove(m_packImageCacheKey.key);
// scale the image to avoid flooding the pixmapcache
auto pixmap =
QPixmap::fromImage(new_image.scaled({ 64, 64 }, Qt::AspectRatioMode::KeepAspectRatioByExpanding, Qt::SmoothTransformation));
m_pack_image_cache_key.key = PixmapCache::insert(pixmap);
m_pack_image_cache_key.was_ever_used = true;
m_pack_image_cache_key.was_read_attempt = true;
m_packImageCacheKey.key = PixmapCache::insert(pixmap);
m_packImageCacheKey.wasEverUsed = true;
m_packImageCacheKey.wasReadAttempt = true;
return pixmap;
}
QPixmap Mod::icon(QSize size, Qt::AspectRatioMode mode) const
{
QPixmap cached_image;
if (PixmapCache::find(m_pack_image_cache_key.key, &cached_image)) {
auto pixmap_transform = [&size, &mode](QPixmap pixmap) {
if (size.isNull())
return cached_image;
return cached_image.scaled(size, mode, Qt::SmoothTransformation);
return pixmap;
return pixmap.scaled(size, mode, Qt::SmoothTransformation);
};
QPixmap cached_image;
if (PixmapCache::find(m_packImageCacheKey.key, &cached_image)) {
return pixmap_transform(cached_image);
}
// No valid image we can get
if ((!m_pack_image_cache_key.was_ever_used && m_pack_image_cache_key.was_read_attempt) || iconPath().isEmpty())
if ((!m_packImageCacheKey.wasEverUsed && m_packImageCacheKey.wasReadAttempt) || iconPath().isEmpty())
return {};
if (m_pack_image_cache_key.was_ever_used) {
if (m_packImageCacheKey.wasEverUsed) {
qDebug() << "Mod" << name() << "Had it's icon evicted from the cache. reloading...";
PixmapCache::markCacheMissByEviciton();
}
// Image got evicted from the cache or an attempt to load it has not been made. load it and retry.
m_pack_image_cache_key.was_read_attempt = true;
ModUtils::loadIconFile(*this);
return icon(size);
m_packImageCacheKey.wasReadAttempt = true;
if (ModUtils::loadIconFile(*this, &cached_image)) {
return pixmap_transform(cached_image);
}
// Image failed to load
return {};
}
bool Mod::valid() const