Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaddons@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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();
+}
+