Function ExtMoveColorData

src/ConEmuHk/ExtConsole.cpp:1575–1618

}

static void ExtMoveColorData(ssize_t dest, ssize_t from, ssize_t ccCells)
{
	if (!gpTrueColor || (ccCells <= 0))
		return;

	const ssize_t bufferSize = gpTrueColor->bufferSize;
	if (bufferSize <= 0)
	{
		_ASSERTE(bufferSize > 0);
		return;
	}

	AnnotationInfo* pTrueColorStart = (AnnotationInfo*)(((LPBYTE)gpTrueColor) + gpTrueColor->struct_size); //-V104
	AnnotationInfo* pTrueColorEnd = (pTrueColorStart + bufferSize); //-V104

	if (dest < 0 || from < 0)
	{
		ssize_t outOfRange = -std::min(dest,from);
		ccCells -= outOfRange;
		if (ccCells <= 0)
			return;
		dest += outOfRange;
		from += outOfRange;
	}

	if ((std::max(dest,from) + ccCells) > bufferSize)
	{
		ssize_t outOfRange = ((std::max(dest,from) + ccCells) - bufferSize);
		ccCells -= outOfRange;
		if (ccCells <= 0)
			return;
	}

	AnnotationInfo* pTrueColorDest = pTrueColorStart + dest;
	const AnnotationInfo* pTrueColorFrom = pTrueColorStart + from;
	_ASSERTEX((uint64_t(pTrueColorDest)+ccCells)<uint64_t(pTrueColorEnd) && uint64_t(pTrueColorDest)>=uint64_t(pTrueColorStart));
	_ASSERTEX((uint64_t(pTrueColorFrom)+ccCells)<uint64_t(pTrueColorEnd) && uint64_t(pTrueColorFrom)>=uint64_t(pTrueColorStart));

	// #OPTIMIZE: Не нужно двигать заполненную нулями память. Нет атрибутов в строке - и не дергаться?
	if (ccCells > 0)
	{
		memmove(pTrueColorDest, pTrueColorFrom, ccCells * sizeof(*pTrueColorDest));
	}
}

// From the cursor position!
BOOL ExtScrollLine(ExtScrollScreenParm* Info)