diff options
Diffstat (limited to 'noatun-plugins/nexscope/bitmappool.cpp')
-rw-r--r-- | noatun-plugins/nexscope/bitmappool.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/noatun-plugins/nexscope/bitmappool.cpp b/noatun-plugins/nexscope/bitmappool.cpp new file mode 100644 index 0000000..0a0ad78 --- /dev/null +++ b/noatun-plugins/nexscope/bitmappool.cpp @@ -0,0 +1,54 @@ +#include "nex.h" + +struct BitmapPool::PoolItem +{ + PoolItem() : used(false) {} + + bool used; + Bitmap bitmap; +}; + +BitmapPool::BitmapPool() +{ + +} + +BitmapPool::~BitmapPool() +{ + +} + +Bitmap *BitmapPool::get(bool clear) +{ + mMutex.lock(); + BitmapPool::PoolItem *p=0; + for (QPtrListIterator<BitmapPool::PoolItem> i(mBitmaps); i.current(); ++i) + { + if (!(*i)->used) + p=*i; + } + if (!p) + { + p=new BitmapPool::PoolItem; + p->bitmap.resize(width, height); + } + + p->used=true; + + if (clear) p->bitmap.clear(); + + mMutex.unlock(); + return &(p->bitmap); +} + +void BitmapPool::release(Bitmap *bitmap) +{ + mMutex.lock(); + for (QPtrListIterator<BitmapPool::PoolItem> i(mBitmaps); i.current(); ++i) + { + if (&((*i)->bitmap)==bitmap) + (*i)->used=false; + } + mMutex.unlock(); +} + |