tahoma2d/toonz/sources/toonzlib/columnfan.cpp
Toshihiro Shimizu 890dddabbd first commit
2016-03-19 02:57:51 +09:00

155 lines
3.4 KiB
C++

#include "toonz/columnfan.h"
// TnzCore includes
#include "tstream.h"
// STD includss
#include <assert.h>
//=============================================================================
const int colWidth = 74;
const int colSkip = 9;
//=============================================================================
// ColumnFan
ColumnFan::ColumnFan()
: m_firstFreePos(0)
{
}
//-----------------------------------------------------------------------------
void ColumnFan::update()
{
int lastPos = -colWidth;
bool lastActive = true;
int m = m_columns.size();
int i;
for (i = 0; i < m; i++) {
bool active = m_columns[i].m_active;
if (lastActive)
lastPos += colWidth;
else if (active)
lastPos += colSkip;
m_columns[i].m_pos = lastPos;
lastActive = active;
}
m_firstFreePos = lastPos + (lastActive ? colWidth : colSkip);
m_table.clear();
for (i = 0; i < m; i++)
if (m_columns[i].m_active)
m_table[m_columns[i].m_pos + colWidth - 1] = i;
else if (i + 1 < m && m_columns[i + 1].m_active)
m_table[m_columns[i + 1].m_pos - 1] = i;
else if (i + 1 == m)
m_table[m_firstFreePos - 1] = i;
}
//-----------------------------------------------------------------------------
int ColumnFan::xToCol(int x) const
{
if (x < m_firstFreePos) {
std::map<int, int>::const_iterator it = m_table.lower_bound(x);
if (it == m_table.end())
return -3;
assert(it != m_table.end());
return it->second;
} else
return m_columns.size() + (x - m_firstFreePos) / colWidth;
}
//-----------------------------------------------------------------------------
int ColumnFan::colToX(int col) const
{
int m = m_columns.size();
if (col >= 0 && col < m)
return m_columns[col].m_pos;
else
return m_firstFreePos + (col - m) * colWidth;
}
//-----------------------------------------------------------------------------
void ColumnFan::activate(int col)
{
int m = m_columns.size();
if (col < m) {
m_columns[col].m_active = true;
int i;
for (i = m - 1; i >= 0 && m_columns[i].m_active; i--) {
}
i++;
if (i < m) {
m = i;
m_columns.erase(
m_columns.begin() + i,
m_columns.end());
}
}
update();
}
//-----------------------------------------------------------------------------
void ColumnFan::deactivate(int col)
{
while ((int)m_columns.size() <= col)
m_columns.push_back(Column());
m_columns[col].m_active = false;
update();
}
//-----------------------------------------------------------------------------
bool ColumnFan::isActive(int col) const
{
return 0 <= col && col < (int)m_columns.size() ? m_columns[col].m_active : true;
}
//-----------------------------------------------------------------------------
bool ColumnFan::isEmpty() const
{
return m_columns.empty();
}
//-----------------------------------------------------------------------------
void ColumnFan::saveData(TOStream &os)
{
int index, n = (int)m_columns.size();
for (index = 0; index < n;) {
while (index < n && m_columns[index].m_active)
index++;
if (index < n) {
int firstIndex = index;
os << index;
index++;
while (index < n && !m_columns[index].m_active)
index++;
os << index - firstIndex;
}
}
}
//-----------------------------------------------------------------------------
void ColumnFan::loadData(TIStream &is)
{
m_columns.clear();
m_table.clear();
m_firstFreePos = 0;
while (!is.eos()) {
int index = 0, count = 0;
is >> index >> count;
int j;
for (j = 0; j < count; j++)
deactivate(index + j);
}
}