void GraphView::GetDistance(int x, int y, double &d, wxDateTime &time) const {
d = INFINITY;
time = wxInvalidDateTime;
/* this defines search radius for 'direct hit' */
int w,h;
m_dc->GetSize(&w, &h);
/* forget about top and bottom margins */
h -= m_bottommargin + m_topmargin;
/* get X coordinate */
int index = GetIndex(x);
const Draw::VT& vt = m_draw->GetValuesTable();
int i, j;
for (i = j = index; i >= 0 || j < (int)vt.size(); --i, ++j) {
double d1 = INFINITY;
double d2 = INFINITY;
if (i >= 0 && i < (int)vt.size() && vt.at(i).IsData()) {
int xi, yi;
GetPointPosition(m_dc, i, &xi, &yi);
d1 = (x - xi) * (x - xi) + (y - yi) * (y - yi);
}
if (j >= 0 && j < (int)vt.size() && vt.at(j).IsData()) {
int xj, yj;
GetPointPosition(m_dc, j, &xj, &yj);
d1 = (x - xj) * (x - xj) + (y - yj) * (y - yj);
}
if (!std::isfinite(d1) && !std::isfinite(d1))
continue;
if (!std::isfinite(d2) || d1 < d2) {
d = d1;
time = m_draw->GetTimeOfIndex(i);
wxLogInfo(_T("Nearest index %d, time: %s"), i, time.Format().c_str());
} else {
d = d2;
time = m_draw->GetTimeOfIndex(j);
wxLogInfo(_T("Nearest index %d, time: %s"), j, time.Format().c_str());
}
break;
}
}
void GraphView::DrawCursor(int index, bool clear, wxRegion *region) {
if (index < 0)
return;
int x, y;
wxDC* dc = m_dc;
const Draw::VT& vt = m_draw->GetValuesTable();
if (!vt.at(index).IsData())
return;
GetPointPosition(dc, index, &x, &y);
wxRect rect(x - cursorrectanglesize / 2,
y - cursorrectanglesize / 2,
cursorrectanglesize,
cursorrectanglesize
);
dc->SetBrush(wxBrush(wxColour(0,0,0), wxTRANSPARENT));
if (!clear) {
dc->SetPen(wxPen(*wxWHITE, 1, wxSOLID));
wxLogInfo(_T("Drawing cursor at position %d , %d"), x, y);
m_sdc.SetWhiteForeground();
dc->DrawRectangle(rect);
m_sdc.DrawRectangle(rect);
} else {
dc->SetPen(wxPen(*wxBLACK, 1, wxSOLID));
wxLogInfo(_T("Clearing cursor at position %d , %d"), x, y);
m_sdc.SetBlackForeground();
dc->DrawRectangle(rect);
m_sdc.DrawRectangle(rect);
//repaint points damaged by cursor
int x1, x2;
x1 = GetIndex(x - cursorrectanglesize / 2);
x2 = GetIndex(x + cursorrectanglesize / 2);
for (int i = x1; i <= x2; i++) if (i > 0 && i < (int)vt.size())
DrawPoint(i, region, false);
}
if (region)
region->Union(rect);
dc->SetPen(wxNullPen);
dc->SetBrush(wxNullBrush);
}
AnimatePoint AnimateCompile::GetEndingPosition(const ContToken* token) const
{
auto sheet = curr_sheet + 1;
while (1) {
if (sheet == mShow.GetSheetEnd()) {
RegisterError(ANIMERR_UNDEFINED, token);
return GetPointPosition();
}
if (sheet->IsInAnimation()) {
return sheet->GetPosition(GetCurrentPoint());
}
++sheet;
}
}
void GraphDrawer::DrawAllPoints(wxDC *dc, SDC *sdc, int point_width) {
if (!dc->Ok())
return;
if (m_draw->GetDrawInfo() == NULL)
return;
bool prev_no_data = true;
wxPen pen1;
wxPen pen2;
pen1.SetStyle(wxSOLID);
pen2.SetStyle(wxSOLID);
pen1.SetWidth(point_width);
pen2.SetWidth(point_width);
pen1.SetColour(m_draw->GetDrawInfo()->GetDrawColor());
pen2.SetColour(alt_color);
dc->SetPen(pen1);
if (sdc) {
sdc->SetWhiteForeground();
sdc->SetLineWidth(point_width);
}
const Draw::VT& vt = m_draw->GetValuesTable();
bool is_alt = false;
for (size_t i = 0; i < vt.size(); i++) {
if (!vt.at(i).IsData()) {
prev_no_data = true;
continue;
}
int x, y;
GetPointPosition(dc, i, &x, &y);
bool pa = AlternateColor(i);
if (!prev_no_data) {
int x1, y1;
if (is_alt && pa)
dc->SetPen(pen2);
else
dc->SetPen(pen1);
GetPointPosition(dc, i - 1, &x1, &y1);
dc->DrawLine(x1, y1, x, y);
if (sdc)
sdc->DrawLine(x1, y1, x, y);
if (is_alt)
dc->SetPen(pen2);
else
dc->SetPen(pen1);
dc->DrawPoint(x1, y1);
if (sdc)
sdc->DrawPoint(x1, y1);
if (m_draw->GetPeriod() != PERIOD_T_DAY && m_draw->GetPeriod() != PERIOD_T_30MINUTE) {
dc->DrawCircle(x1, y1, m_circle_radius);
if (sdc)
sdc->DrawCircle(x1, y1, m_circle_radius);
}
}
if ((i + 1) >= vt.size() || !vt.at(i + 1).IsData()) {
if (pa)
dc->SetPen(pen2);
else
dc->SetPen(pen1);
dc->DrawPoint(x, y);
if (sdc)
sdc->DrawPoint(x, y);
if (m_draw->GetPeriod() != PERIOD_T_DAY && m_draw->GetPeriod() != PERIOD_T_30MINUTE) {
dc->DrawCircle(x, y, m_circle_radius);
if (sdc)
sdc->DrawCircle(x, y, m_circle_radius);
}
}
is_alt = pa;
prev_no_data = false;
}
dc->SetBrush(wxNullBrush);
dc->SetPen(wxNullPen);
if (sdc)
sdc->SetLineWidth(1);
}
void GraphView::DrawPoint(int index, wxRegion *region, bool maybe_repaint_cursor) {
bool repaint_cursor = false;
int current_index = 0;
if (index < 0)
return;
if (!m_draw->GetValuesTable().at(index).IsData())
return;
wxDC* dc = m_dc;
if (!dc->Ok())
return;
int x, y;
GetPointPosition(dc, index, &x , &y);
bool wide = m_draw->GetSelected() && m_draw->GetDoubleCursor();
int line_width = wide ? 3 : 1;
m_sdc.SetLineWidth(wide ? 3 : 1);
m_sdc.SetWhiteForeground();
wxPen pen1(m_draw->GetDrawInfo()->GetDrawColor(), line_width, wxSOLID);
wxPen pen2(alt_color, line_width, wxSOLID);
dc->SetPen(pen1);
dc->SetBrush(wxBrush(wxColour(0,0,0), wxTRANSPARENT));
int i = index;
const Draw::VT& vt = m_draw->GetValuesTable();
bool is_alternate = AlternateColor(index);
if (i - 1 >= 0 && vt.at(i-1).IsData()) {
int x1, y1;
GetPointPosition(dc, i - 1, &x1, &y1);
bool ac = AlternateColor(i - 1);
if (ac && is_alternate) {
dc->SetPen(pen2);
} else {
dc->SetPen(pen1);
}
dc->DrawLine(x1, y1, x, y);
m_sdc.DrawLine(x1, y1, x, y);
if (ac)
dc->SetPen(pen2);
else
dc->SetPen(pen1);
DrawDot(x1, y1, dc, &m_sdc, region);
if (region)
region->Union(x1 , std::min(y, y1) - line_width, abs(x - x1) + 2 * line_width, abs(y - y1) + 2 * line_width);
if (maybe_repaint_cursor &&
m_draw->GetCurrentIndex() != -1 &&
m_draw->GetCurrentIndex() == i) {
repaint_cursor = true;
current_index = i - 1;
}
}
if ((i + 1) < (int)vt.size() && vt.at(i + 1).IsData()) {
int x2, y2;
bool ac = AlternateColor(i + 1);
if (ac && is_alternate) {
dc->SetPen(pen2);
} else {
dc->SetPen(pen1);
}
GetPointPosition(dc, i + 1, &x2 , &y2);
dc->DrawLine(x, y, x2, y2);
m_sdc.DrawLine(x, y, x2, y2);
if (ac)
dc->SetPen(pen2);
else
dc->SetPen(pen1);
DrawDot(x2, y2, dc, &m_sdc, region);
if (region)
region->Union(x, std::min(y, y2) - line_width, abs(x - x2) + 2 * line_width, abs(y - y2) + 2 * line_width);
if (maybe_repaint_cursor &&
m_draw->GetCurrentIndex() != -1 &&
m_draw->GetCurrentIndex() == i) {
repaint_cursor = true;
current_index = i + 1;
}
}
if (is_alternate)
dc->SetPen(pen2);
else
dc->SetPen(pen1);
DrawDot(x, y, dc, &m_sdc, region);
m_sdc.SetLineWidth(1);
pen1.SetWidth(1);
pen2.SetWidth(1);
if (repaint_cursor)
DrawCursor(current_index, region);
dc->SetPen(wxNullPen);
dc->SetBrush(wxNullBrush);
}
