void Bitmap::Layout()
{
if (m_tree->GetType() != MC_TYPE_GROUP)
{
RecalculateWidths();
BreakUpCells();
BreakLines();
RecalculateSize();
}
else {
int fontsize = 12;
wxConfig::Get()->Read(wxT("fontSize"), &fontsize);
int mfontsize = fontsize;
wxConfig::Get()->Read(wxT("mathfontsize"), &mfontsize);
GroupCell* tmp = (GroupCell *)m_tree;
wxMemoryDC dc;
dc.SelectObject(m_bmp);
CellParser parser(dc);
parser.SetClientWidth(BM_FULL_WIDTH);
while (tmp != NULL)
{
tmp->Recalculate(parser, fontsize, mfontsize);
tmp = (GroupCell *)tmp->m_next;
}
}
int width, height;
GetMaxPoint(&width, &height);
m_bmp.Create(width, height);
Draw();
}
void SlideShow::RecalculateSize(int fontsize)
{
// Here we recalculate the width, as well:
// - This doesn't cost much time and
// - as image cell's sizes might change when the resolution does
// we might have intermittent calculation issues otherwise
RecalculateWidths(fontsize);
}
void GroupCell::Recalculate(CellParser& parser, int d_fontsize, int m_fontsize)
{
m_fontSize = d_fontsize;
m_mathFontSize = m_fontsize;
RecalculateWidths(parser, d_fontsize);
RecalculateSize(parser, d_fontsize);
}
bool Emfout::Layout()
{
if(m_recalculationDc == NULL)
return false;
(*m_configuration)->SetContext(*m_recalculationDc);
if (m_tree->GetType() != MC_TYPE_GROUP)
{
RecalculateWidths();
BreakUpCells();
BreakLines();
RecalculateHeight();
}
else
{
GroupCell *tmp = dynamic_cast<GroupCell *>(m_tree);
while (tmp != NULL)
{
tmp->Recalculate();
tmp = dynamic_cast<GroupCell *>(tmp->m_next);
}
}
if(!m_recalculationDc->IsOk())
{
return false;
}
GetMaxPoint(&m_width, &m_height);
if(m_dc != NULL)
{
m_dc->Close();
wxDELETE(m_dc);
}
// Let's switch to a DC of the right size for our object.
m_dc = new wxEnhMetaFileDC(m_filename, m_width, m_height);
if(m_dc != NULL)
{
(*m_configuration)->SetContext(*m_dc);
Draw();
// Closing the DC seems to trigger the actual output of the file.
m_dc->Close();
wxDELETE(m_dc);
m_dc = NULL;
}
return true;
}
void GroupCell::Draw(CellParser& parser, wxPoint point, int fontsize)
{
double scale = parser.GetScale();
wxDC& dc = parser.GetDC();
if (m_width == -1 || m_height == -1) {
RecalculateWidths(parser, fontsize);
RecalculateSize(parser, fontsize);
}
if (DrawThisCell(parser, point))
{
// draw a thick line for 'page break'
// and return
if (m_groupType == GC_TYPE_PAGEBREAK) {
wxRect rect = GetRect(false);
int y = rect.GetY();
wxPen pen(parser.GetColor(TS_CURSOR), 1, wxPENSTYLE_DOT);
dc.SetPen(pen);
dc.DrawLine(0, y , 10000, y);
MathCell::Draw(parser, point, fontsize);
return;
}
//
// Paint background if we have a text cell
//
if (m_groupType == GC_TYPE_TEXT) {
wxRect rect = GetRect(false);
int y = rect.GetY();
if (m_height > 0 && m_width > 0 && y>=0) {
wxBrush br(parser.GetColor(TS_TEXT_BACKGROUND));
dc.SetBrush(br);
wxPen pen(parser.GetColor(TS_TEXT_BACKGROUND));
dc.SetPen(pen);
dc.DrawRectangle(0, y , 10000, rect.GetHeight());
}
}
//
// Draw input and output
//
SetPen(parser);
wxPoint in(point);
parser.Outdated(false);
m_input->DrawList(parser, in, fontsize);
if (m_groupType == GC_TYPE_CODE && m_input->m_next)
parser.Outdated(((EditorCell *)(m_input->m_next))->ContainsChanges());
if (m_output != NULL && !m_hide) {
MathCell *tmp = m_output;
int drop = tmp->GetMaxDrop();
in.y += m_input->GetMaxDrop() + m_output->GetMaxCenter();
m_outputRect.y = in.y - m_output->GetMaxCenter();
m_outputRect.x = in.x;
while (tmp != NULL) {
if (!tmp->m_isBroken) {
tmp->m_currentPoint.x = in.x;
tmp->m_currentPoint.y = in.y;
if (tmp->DrawThisCell(parser, in))
tmp->Draw(parser, in, MAX(tmp->IsMath() ? m_mathFontSize : m_fontSize, MC_MIN_SIZE));
if (tmp->m_nextToDraw != NULL) {
if (tmp->m_nextToDraw->BreakLineHere()) {
in.x = m_indent;
in.y += drop + tmp->m_nextToDraw->GetMaxCenter();
if (tmp->m_bigSkip)
in.y += MC_LINE_SKIP;
drop = tmp->m_nextToDraw->GetMaxDrop();
} else
in.x += (tmp->GetWidth() + MC_CELL_SKIP);
}
} else {
if (tmp->m_nextToDraw != NULL && tmp->m_nextToDraw->BreakLineHere()) {
in.x = m_indent;
in.y += drop + tmp->m_nextToDraw->GetMaxCenter();
if (tmp->m_bigSkip)
in.y += MC_LINE_SKIP;
drop = tmp->m_nextToDraw->GetMaxDrop();
}
}
tmp = tmp->m_nextToDraw;
}
}
parser.Outdated(false);
MathCell *editable = GetEditable();
if (editable != NULL && editable->IsActive()) {
dc.SetPen( *(wxThePenList->FindOrCreatePen(parser.GetColor(TS_ACTIVE_CELL_BRACKET), 2, wxPENSTYLE_SOLID))); // window linux, set a pen
dc.SetBrush( *(wxTheBrushList->FindOrCreateBrush(parser.GetColor(TS_ACTIVE_CELL_BRACKET)))); //highlight c.
}
else {
dc.SetPen( *(wxThePenList->FindOrCreatePen(parser.GetColor(TS_CELL_BRACKET), 1, wxPENSTYLE_SOLID))); // window linux, set a pen
dc.SetBrush( *(wxTheBrushList->FindOrCreateBrush(parser.GetColor(TS_CELL_BRACKET)))); //highlight c.
}
if ((!m_hide) && (!m_hiddenTree)) {
dc.SetBrush(*wxTRANSPARENT_BRUSH);
}
if (IsFoldable()) { // draw a square
wxPoint *points = new wxPoint[4];
points[0].x = point.x - SCALE_PX(10, scale);
points[0].y = point.y - m_center;
points[1].x = point.x - SCALE_PX(10, scale);
points[1].y = point.y - m_center + SCALE_PX(10, scale);
points[2].x = point.x;
points[2].y = point.y - m_center + SCALE_PX(10, scale);
points[3].x = point.x;
points[3].y = point.y - m_center;
dc.DrawPolygon(4, points);
delete [] points;
}
else { // draw a triangle and line
wxPoint *points = new wxPoint[3];
points[0].x = point.x - SCALE_PX(10, scale);
points[0].y = point.y - m_center;
points[1].x = point.x - SCALE_PX(10, scale);
points[1].y = point.y - m_center + SCALE_PX(10, scale);
points[2].x = point.x;
points[2].y = point.y - m_center;
dc.DrawPolygon(3, points);
delete [] points;
// vertical
dc.DrawLine(point.x - SCALE_PX(10, scale), point.y - m_center,
point.x - SCALE_PX(10, scale), point.y - m_center + m_height);
// bottom horizontal
dc.DrawLine(point.x - SCALE_PX(10, scale), point.y - m_center + m_height,
point.x - SCALE_PX(2, scale) , point.y - m_center + m_height);
// middle horizontal
if (m_groupType == GC_TYPE_CODE && m_output != NULL && !m_hide) {
dc.DrawLine(point.x - SCALE_PX(6, scale),
point.y - m_center + m_input->GetMaxHeight(),
point.x - SCALE_PX(10, scale),
point.y - m_center + m_input->GetMaxHeight());
}
}
UnsetPen(parser);
}
MathCell::Draw(parser, point, fontsize);
}
