void Text::draw (QPixmap &buffer, Scaler &scaler, int startIndex, int pixelspace, int startX)
{
QPainter painter;
painter.begin(&buffer);
int x2 = data->getX(date);
if (x2 == -1)
return;
int x = startX + (x2 * pixelspace) - (startIndex * pixelspace);
if (x == -1)
return;
painter.setFont(font);
painter.setPen(color);
int y = scaler.convertToY(getValue());
painter.drawText(x, y, label);
QFontMetrics fm = painter.fontMetrics();
clearSelectionArea();
setSelectionArea(new QRegion(x,
y - fm.height(),
fm.width(label, -1),
fm.height(),
QRegion::Rectangle));
if (getStatus() == COBase::Selected)
{
clearGrabHandles();
setGrabHandle(new QRegion(x - HANDLE_WIDTH - 1,
y - (fm.height() / 2),
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(x - HANDLE_WIDTH - 1,
y - (fm.height() / 2),
HANDLE_WIDTH,
HANDLE_WIDTH,
getColor());
}
painter.end();
}
void SellArrow::draw (QPixmap &buffer, Scaler &scaler, int startIndex, int pixelspace, int startX)
{
QPainter painter;
painter.begin(&buffer);
int x2 = data->getX(date);
if (x2 == -1)
return;
int x = startX + (x2 * pixelspace) - (startIndex * pixelspace);
if (x == -1)
return;
int y = scaler.convertToY(getValue());
arrow.putPoints(0, 7, x, y,
x + 5, y - 5,
x + 2, y - 5,
x + 2, y - 11,
x - 2, y - 11,
x - 2, y - 5,
x - 5, y - 5);
painter.setBrush(getColor());
painter.drawPolygon(arrow, TRUE, 0, -1);
clearSelectionArea();
setSelectionArea(new QRegion(arrow));
if (getStatus() == COBase::Selected)
{
clearGrabHandles();
setGrabHandle(new QRegion(x - (HANDLE_WIDTH / 2),
y + 1,
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(x - (HANDLE_WIDTH / 2), y + 1, HANDLE_WIDTH, HANDLE_WIDTH, getColor());
}
painter.end();
}
void VerticalLine::draw (QPixmap &buffer, Scaler &, int startIndex, int pixelspace, int startX)
{
QPainter painter;
painter.begin(&buffer);
int x2 = data->getX(date);
if (x2 == -1)
return;
int x = startX + (x2 * pixelspace) - (startIndex * pixelspace);
if (x == -1)
return;
painter.setPen(getColor());
painter.drawLine (x, 0, x, buffer.height());
clearSelectionArea();
Q3PointArray array;
array.putPoints(0,
4,
x - (HANDLE_WIDTH / 2), 0,
x + (HANDLE_WIDTH / 2), 0,
x + (HANDLE_WIDTH / 2), buffer.height(),
x - (HANDLE_WIDTH / 2), buffer.height());
setSelectionArea(new QRegion(array));
if (getStatus() == COBase::Selected)
{
clearGrabHandles();
int t = (int) buffer.height() / 4;
setGrabHandle(new QRegion(x - (HANDLE_WIDTH / 2),
0,
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(x - (HANDLE_WIDTH / 2), 0, HANDLE_WIDTH, HANDLE_WIDTH, getColor());
setGrabHandle(new QRegion(x - (HANDLE_WIDTH / 2),
t,
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(x - (HANDLE_WIDTH / 2), t, HANDLE_WIDTH, HANDLE_WIDTH, getColor());
setGrabHandle(new QRegion(x - (HANDLE_WIDTH / 2),
t * 2,
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(x - (HANDLE_WIDTH / 2), t * 2, HANDLE_WIDTH, HANDLE_WIDTH, getColor());
setGrabHandle(new QRegion(x - (HANDLE_WIDTH / 2),
t * 3,
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(x - (HANDLE_WIDTH / 2), t * 3, HANDLE_WIDTH, HANDLE_WIDTH, getColor());
setGrabHandle(new QRegion(x - (HANDLE_WIDTH / 2),
t * 4,
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(x - (HANDLE_WIDTH / 2), t * 4, HANDLE_WIDTH, HANDLE_WIDTH, getColor());
}
painter.end();
}
void HorizontalLine::draw (QPixmap &buffer, Scaler &scaler, int, int, int)
{
QPainter painter;
painter.begin(&buffer);
painter.setFont(font);
int y = scaler.convertToY(getValue());
// if value is off chart then don't draw it
if (getValue() < scaler.getLow())
return;
painter.setPen(getColor());
QFontMetrics fm(font);
QString s;
getText(s);
int pixelsWide = fm.width(s);
painter.drawLine (0, y, buffer.width(), y);
painter.drawText(0, y - 1, s, -1);
painter.drawText(0 + pixelsWide + 1, y - 1, QString::number(getValue()), -1);
clearSelectionArea();
QPointArray array;
array.putPoints(0, 4, 0, y - 4, 0, y + 4, buffer.width(), y + 4, buffer.width(), y - 4);
setSelectionArea(new QRegion(array));
if (getStatus() == COBase::Selected)
{
clearGrabHandles();
int t = (int) buffer.width() / 4;
setGrabHandle(new QRegion(0,
y - (HANDLE_WIDTH / 2),
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(0, y - (HANDLE_WIDTH / 2), HANDLE_WIDTH, HANDLE_WIDTH, getColor());
setGrabHandle(new QRegion(t,
y - (HANDLE_WIDTH / 2),
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(t, y - (HANDLE_WIDTH / 2), HANDLE_WIDTH, HANDLE_WIDTH, getColor());
setGrabHandle(new QRegion(t * 2,
y - (HANDLE_WIDTH / 2),
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(t * 2, y - (HANDLE_WIDTH / 2), HANDLE_WIDTH, HANDLE_WIDTH, getColor());
setGrabHandle(new QRegion(t * 3,
y - (HANDLE_WIDTH / 2),
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(t * 3, y - (HANDLE_WIDTH / 2), HANDLE_WIDTH, HANDLE_WIDTH, getColor());
setGrabHandle(new QRegion(t * 4,
y - (HANDLE_WIDTH / 2),
HANDLE_WIDTH,
HANDLE_WIDTH,
QRegion::Rectangle));
painter.fillRect(t * 4, y - (HANDLE_WIDTH / 2), HANDLE_WIDTH, HANDLE_WIDTH, getColor());
}
painter.end();
}