void WidgetArea::paintEvent(QPaintEvent *event)
{
QFrame::paintEvent(event);
if (!m_show_grid && m_grid == 1 && !m_show_bookmk && m_marks.empty() &&
m_placementLines.isEmpty() && m_bookmarks.empty())
return;
QPainter painter(this);
if(m_show_grid && m_grid > 1)
{
QVarLengthArray<QPoint, 8000> points((width()/m_grid)*(height()/m_grid));
for(QPoint p; p.y() < height(); p.ry() += m_grid)
for(p.rx() = 0; p.x() < width(); p.rx() += m_grid)
points.append(p + m_grid_offset);
painter.drawPoints(points.data(), points.size());
}
if(!m_marks.empty())
{
painter.setPen(Qt::red);
painter.setBrush(QBrush(Qt::red, Qt::SolidPattern));
for(mark_map::iterator itr = m_marks.begin(); itr != m_marks.end(); ++itr)
painter.drawRect(*itr);
}
if(!m_placementLines.isEmpty())
{
painter.setPen(Qt::blue);
painter.setBrush(QBrush(Qt::blue, Qt::SolidPattern));
painter.drawLines(m_placementLines);
}
if(m_show_bookmk && !m_bookmarks.empty())
{
QPen penBlack(Qt::black);
QPen penYellow(QColor("#FFFFA3"));
penYellow.setWidth(2);
QBrush noBrush(Qt::NoBrush);
QBrush fill(penYellow.color(), Qt::SolidPattern);
QRect r = rect();
r.setWidth(r.width() - penYellow.width()*2);
r.setHeight(r.height() - penYellow.width()*2);
QFont f = painter.font();
f.setBold(true);
painter.setFont(f);
for(size_t i = 0; i < m_bookmarks.size(); ++i)
{
area_bookmark& p = m_bookmarks[i];
if(p.text.x() == -1)
{
p.text.rx() = painter.fontMetrics().width(p.keyseq)*1.5;
p.text.ry() = painter.fontMetrics().height();
}
QPoint base(p.main.x()+penYellow.width(), p.main.y()+penYellow.width());
painter.setPen(penYellow);
painter.setBrush(noBrush);
painter.drawRect(base.x(), base.y(), r.width(), r.height());
painter.setBrush(fill);
painter.drawRect(base.x(), base.y(), p.text.x(), p.text.y());
painter.setPen(penBlack);
painter.drawText(base.x(), base.y(), p.text.x(), p.text.y(), Qt::AlignCenter, p.keyseq);
}
}
}
// WaveformViewDialog message handlers
void WaveformViewDialog::OnPaint() {
BufferredPaintDC dc(this);
CRect rectTitle;
GetDlgItem(IDC_PLACE_CAPTION)->GetWindowRect(&rectTitle);
ScreenToClient(&rectTitle);
dc.FillSolidRect(rectTitle, RGB(54, 133, 214));
CRect waveformRect;
GetDlgItem(IDC_PLACE_WAVEFORM)->GetWindowRect(&waveformRect);
ScreenToClient(&waveformRect);
dc.FillSolidRect(waveformRect, RGB(0, 0, 0));
CFont *oldFont = dc.SelectObject(GuiResources::GetInstance()->GetFont(GuiResources::FONT_NORMAL));
dc.SetTextColor(RGB(255, 255, 255));
dc.SetBkMode(TRANSPARENT);
CSize textSize = dc.GetTextExtent(_T("88888"));
waveformRect.left += textSize.cx + 8;
if (monitor_ != NULL && cashIndex_ != -1) {
int cashCount = monitor_->Freeze();
if (cashIndex_ < cashCount) {
Cash *cash = monitor_->GetCash(cashIndex_);
CPen penYellow(PS_SOLID, 1, RGB(255, 255, 0));
CPen penGreen(PS_SOLID, 1, RGB(0, 255, 0));
int count = cash->GetADCSampleCount(g_ADCChannels[channel_].id);
if (count > 0) {
CString title;
title.Format(_T("%s - %s"), (LPCTSTR)CA2T(cash->GetSN()), g_ADCChannels[channel_].name);
labelTitle_.SetWindowText(title);
const short *codes = cash->GetADCSampleCodes(g_ADCChannels[channel_].id);
const short *values = cash->GetADCSampleValues(g_ADCChannels[channel_].id);
// draw scaler
__int64 sum = 0;
short minValue = SHORT_MAX, maxValue = SHORT_MIN;
for (int i = 0; i < count; i++) {
if (values[i] < minValue) {
minValue = values[i];
}
if (values[i] > maxValue) {
maxValue = values[i];
}
sum += values[i];
}
CPen whitePen(PS_SOLID, 1, RGB(255, 255, 255));
CPen *oldPen = dc.SelectObject(&whitePen);
dc.MoveTo(waveformRect.left, waveformRect.top);
dc.LineTo(waveformRect.left, waveformRect.bottom);
int height = waveformRect.Height();
int range = g_ADCChannels[channel_].maxValue - g_ADCChannels[channel_].minValue;
// min
CString label;
int x = waveformRect.left - textSize.cx - 8;
int y = waveformRect.bottom - (minValue - g_ADCChannels[channel_].minValue) * height / range;
dc.MoveTo(waveformRect.left - 4, y);
dc.LineTo(waveformRect.right, y);
label.Format(_T("%d"), minValue);
dc.TextOut(x, y - textSize.cy / 2, label);
// center
short median = (short)(sum / count);
y = waveformRect.bottom - (median - g_ADCChannels[channel_].minValue) * height / range;
dc.MoveTo(waveformRect.left - 4, y);
dc.LineTo(waveformRect.right, y);
label.Format(_T("%d"), median);
dc.TextOut(x, y - textSize.cy / 2, label);
// max
y = waveformRect.bottom - (maxValue - g_ADCChannels[channel_].minValue) * height / range;
dc.MoveTo(waveformRect.left - 4, y);
dc.LineTo(waveformRect.right, y);
label.Format(_T("%d"), maxValue);
dc.TextOut(x, y - textSize.cy / 2, label);
dc.SelectObject(oldPen);
::DrawWaveform(&dc, waveformRect, codes, codes[0], codes[count - 1], count, &penYellow);
::DrawWaveform(&dc, waveformRect, values,
g_ADCChannels[channel_].minValue,
g_ADCChannels[channel_].maxValue, count, &penGreen);
}
}
monitor_->Unfreeze();
}
dc.SelectObject(oldFont);
}