bool wxBlockDouble::Combine(const wxBlockDouble &b)
{
if (!Touches(b)) return false;
if (Contains(b)) return true;
if (b.Contains(*this))
{
*this = b;
return true;
}
wxBlockDouble unionBlock;
Union( *this, b, &unionBlock );
if (unionBlock.IsEmpty()) return false;
// at least one of the two blocks has to be at each corner of the union
if (((unionBlock.GetLeftTop() == GetLeftTop()) || (unionBlock.GetLeftTop() == b.GetLeftTop())) &&
((unionBlock.GetRightTop() == GetRightTop()) || (unionBlock.GetRightTop() == b.GetRightTop())) &&
((unionBlock.GetLeftBottom() == GetLeftBottom()) || (unionBlock.GetLeftBottom() == b.GetLeftBottom())) &&
((unionBlock.GetRightBottom() == GetRightBottom()) || (unionBlock.GetRightBottom() == b.GetRightBottom())) )
{
*this = unionBlock;
return true;
}
return false;
}
bool wxRangeInt::Combine( const wxRangeInt &r, bool only_if_touching )
{
if (only_if_touching)
{
if (Touches(r))
{
*this += r;
return true;
}
}
else if (!IsEmpty() && !r.IsEmpty())
{
bool added = false;
if (r.m_min < m_min) { m_min = r.m_min; added = true; }
if (r.m_max > m_max) { m_max = r.m_max; added = true; }
return added;
}
return false;
}
bool wxSheetBlock::Combine(const wxSheetBlock &block)
{
//if (IsEmpty() || block.IsEmpty()) return false;
if (!Touches(block)) return false;
if (Contains(block)) return true;
if (block.Contains(*this))
{
*this = block;
return true;
}
// FIXME I forgot why wxSheetBlock::Combine needs this code? Isn't Contains good enough?
const wxSheetBlock uBlock(Union(block));
if (uBlock.IsEmpty()) return false;
// ugh this is really ugly, I can't figure a better way though
/*
// at least one of the two blocks has to be at each corner of the union
if (((uBlock.GetLeftTop() == GetLeftTop()) || (uBlock.GetLeftTop() == block.GetLeftTop())) &&
((uBlock.GetRightTop() == GetRightTop()) || (uBlock.GetRightTop() == block.GetRightTop())) &&
((uBlock.GetLeftBottom() == GetLeftBottom()) || (uBlock.GetLeftBottom() == block.GetLeftBottom())) &&
((uBlock.GetRightBottom() == GetRightBottom()) || (uBlock.GetRightBottom() == block.GetRightBottom())) )
{
*this = uBlock;
return true;
}
*/
const int t = GetTop();
const int b = GetBottom();
const int l = GetLeft();
const int r = GetRight();
const int b_t = block.GetTop();
const int b_b = block.GetBottom();
const int b_l = block.GetLeft();
const int b_r = block.GetRight();
const int ub_t = uBlock.GetTop();
const int ub_b = uBlock.GetBottom();
const int ub_l = uBlock.GetLeft();
const int ub_r = uBlock.GetRight();
if ( ( ((ub_t==t)&&(ub_l==l)) || ((ub_t==b_t)&&(ub_l==b_l)) ) &&
( ((ub_t==t)&&(ub_r==r)) || ((ub_t==b_t)&&(ub_r==b_r)) ) &&
( ((ub_b==b)&&(ub_l==l)) || ((ub_b==b_b)&&(ub_l==b_l)) ) &&
( ((ub_b==b)&&(ub_r==r)) || ((ub_b==b_b)&&(ub_r==b_r)) ) )
{
*this = uBlock;
return true;
}
return false;
/*
const int t = GetTop();
const int b = GetBottom();
const int l = GetLeft();
const int r = GetRight();
if ((t < b) || (l < r)) return false; // this is empty
const int b_t = block.GetTop();
const int b_b = block.GetBottom();
const int b_l = block.GetLeft();
const int b_r = block.GetRight();
if ((b_t < b_b) || (b_l < b_r)) return false; // block is empty
// if this contains other block
if ((t <= b_t) && (l <= b_l) && (b >= b_b) && (r >= b_r))
return true;
// if block contains this
if ((t >= b_t) && (l >= b_l) && (b <= b_b) && (r <= b_r))
{
*this = block;
return true;
}
const int ub_t = uBlock.GetTop();
const int ub_b = uBlock.GetBottom();
const int ub_l = uBlock.GetLeft();
const int ub_r = uBlock.GetRight();
if ( ( ((ub_t==t)&&(ub_l==l)) || ((ub_t==b_t)&&(ub_l==b_l)) ) &&
( ((ub_t==t)&&(ub_r==r)) || ((ub_t==b_t)&&(ub_r==b_r)) ) &&
( ((ub_b==b)&&(ub_l==l)) || ((ub_b==b_b)&&(ub_l==b_l)) ) &&
( ((ub_b==b)&&(ub_r==r)) || ((ub_b==b_b)&&(ub_r==b_r)) ) )
{
*this = uBlock;
return true;
}
return false;
*/
}