本文整理汇总了C++中LineBuffer::wait方法的典型用法代码示例。如果您正苦于以下问题:C++ LineBuffer::wait方法的具体用法?C++ LineBuffer::wait怎么用?C++ LineBuffer::wait使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LineBuffer
的用法示例。
在下文中一共展示了LineBuffer::wait方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: lock
//.........这里部分代码省略.........
scanLineMin = _data->currentScanLine - numScanLines + 1;
int numTasks = max (min ((int)_data->lineBuffers.size(),
first - last + 1),
1);
for (int i = 0; i < numTasks; i++)
{
ThreadPool::addGlobalTask
(new LineBufferTask (&taskGroup, _data, first - i,
scanLineMin, scanLineMax));
}
nextCompressBuffer = first - numTasks;
stop = last - 1;
step = -1;
}
while (true)
{
if (_data->missingScanLines <= 0)
{
throw Iex::ArgExc ("Tried to write more scan lines "
"than specified by the data window.");
}
//
// Wait until the next line buffer is ready to be written
//
LineBuffer *writeBuffer =
_data->getLineBuffer (nextWriteBuffer);
writeBuffer->wait();
int numLines = writeBuffer->scanLineMax -
writeBuffer->scanLineMin + 1;
_data->missingScanLines -= numLines;
//
// If the line buffer is only partially full, then it is
// not complete and we cannot write it to disk yet.
//
if (writeBuffer->partiallyFull)
{
_data->currentScanLine = _data->currentScanLine +
step * numLines;
writeBuffer->post();
return;
}
//
// Write the line buffer
//
writePixelData (_data, writeBuffer);
nextWriteBuffer += step;
_data->currentScanLine = _data->currentScanLine +
step * numLines;
#ifdef DEBUG