void Bitmap::GetMaxPoint(int* width, int* height)
{
MathCell* tmp = m_tree;
int currentHeight = 0;
int currentWidth = 0;
*width = 0;
*height = 0;
bool bigSkip = false;
bool firstCell = true;
while (tmp != NULL)
{
if (!tmp->m_isBroken)
{
if (tmp->BreakLineHere() || firstCell)
{
firstCell = false;
currentHeight += tmp->GetMaxHeight();
if (bigSkip)
currentHeight += MC_LINE_SKIP;
*height = currentHeight;
currentWidth = tmp->GetWidth();
*width = MAX(currentWidth, *width);
}
else
{
currentWidth += (tmp->GetWidth() + MC_CELL_SKIP);
*width = MAX(currentWidth - MC_CELL_SKIP, *width);
}
bigSkip = tmp->m_bigSkip;
}
tmp = tmp->m_nextToDraw;
}
}
void Bitmap::BreakLines()
{
int fullWidth = BM_FULL_WIDTH;
int currentWidth = 0;
MathCell* tmp = m_tree;
while (tmp != NULL)
{
if (!tmp->m_isBroken)
{
tmp->BreakLine(false);
tmp->ResetData();
if (tmp->BreakLineHere() ||
(currentWidth + tmp->GetWidth() >= fullWidth))
{
currentWidth = tmp->GetWidth();
tmp->BreakLine(true);
}
else
currentWidth += (tmp->GetWidth() + MC_CELL_SKIP);
}
tmp = tmp->m_nextToDraw;
}
}
void GroupCell::RecalculateSize(CellParser& parser, int fontsize)
{
if (m_width == -1 || m_height == -1 || parser.ForceUpdate())
{
// special case
if (m_groupType == GC_TYPE_PAGEBREAK) {
m_width = 10;
m_height = 2;
m_center = 0;
m_indent = 0;
MathCell::RecalculateWidthsList(parser, fontsize);
return;
}
double scale = parser.GetScale();
m_input->RecalculateSizeList(parser, fontsize);
m_center = m_input->GetMaxCenter();
m_height = m_input->GetMaxHeight();
m_indent = parser.GetIndent();
if (m_output != NULL && !m_hide) {
MathCell *tmp = m_output;
while (tmp != NULL) {
tmp->RecalculateSize(parser, tmp->IsMath() ? m_mathFontSize : m_fontSize);
tmp = tmp->m_next;
}
m_outputRect.x = m_currentPoint.x;
m_outputRect.y = m_currentPoint.y - m_output->GetMaxCenter();
m_outputRect.width = 0;
m_outputRect.height = 0;
m_height = m_input->GetMaxHeight();
m_width = m_input->GetFullWidth(scale);
tmp = m_output;
while (tmp != NULL) {
if (tmp->BreakLineHere() || tmp == m_output) {
m_width = MAX(m_width, tmp->GetLineWidth(scale));
m_outputRect.width = MAX(m_outputRect.width, tmp->GetLineWidth(scale));
m_height += tmp->GetMaxHeight();
if (tmp->m_bigSkip)
m_height += MC_LINE_SKIP;
m_outputRect.height += tmp->GetMaxHeight() + MC_LINE_SKIP;
}
tmp = tmp->m_nextToDraw;
}
}
}
m_appendedCells = NULL;
}
void GroupCell::BreakLines(MathCell *cell, int fullWidth)
{
int currentWidth = m_indent;
MathCell *tmp = cell;
while (tmp != NULL && !m_hide) {
tmp->ResetData();
tmp->BreakLine(false);
if (!tmp->m_isBroken) {
if (tmp->BreakLineHere() || (currentWidth + tmp->GetWidth() >= fullWidth)) {
currentWidth = m_indent + tmp->GetWidth();
tmp->BreakLine(true);
} else
currentWidth += (tmp->GetWidth() + MC_CELL_SKIP);
}
tmp = tmp->m_nextToDraw;
}
}
// We assume that appended cells will be in a new line!
void GroupCell::RecalculateAppended(CellParser& parser)
{
if (m_appendedCells == NULL)
return;
MathCell *tmp = m_appendedCells;
int fontsize = m_fontSize;
double scale = parser.GetScale();
// Recalculate widths of cells
while (tmp != NULL) {
tmp->RecalculateWidths(parser, tmp->IsMath() ? m_mathFontSize : m_fontSize);
tmp = tmp->m_next;
}
// Breakup cells and break lines
BreakUpCells(m_appendedCells, parser, fontsize, parser.GetClientWidth());
BreakLines(m_appendedCells, parser.GetClientWidth());
// Recalculate size of cells
tmp = m_appendedCells;
while (tmp != NULL) {
tmp->RecalculateSize(parser, tmp->IsMath() ? m_mathFontSize : m_fontSize);
tmp = tmp->m_next;
}
// Update widths
tmp = m_appendedCells;
while (tmp != NULL) {
if (tmp->BreakLineHere() || tmp == m_appendedCells) {
m_width = MAX(m_width, tmp->GetLineWidth(scale));
m_outputRect.width = MAX(m_outputRect.width, tmp->GetLineWidth(scale));
m_height += tmp->GetMaxHeight();
if (tmp->m_bigSkip)
m_height += MC_LINE_SKIP;
m_outputRect.height += tmp->GetMaxHeight() + MC_LINE_SKIP;
}
tmp = tmp->m_nextToDraw;
}
m_appendedCells = NULL;
}