void PointImp::draw(LocationType pixelSize)
{
if (isVisible() == false)
{
return;
}
PlotViewImp* pPlot = dynamic_cast<PlotViewImp*>(getPlot());
VERIFYNRV(pPlot != NULL);
if (pixelSize.mX == 0.0)
{
pixelSize.mX = 1.0;
}
if (pixelSize.mY == 0.0)
{
pixelSize.mY = 1.0;
}
double dSymbolSizeX = mSymbolSize / pixelSize.mX;
double dSymbolSizeY = mSymbolSize / pixelSize.mY;
double dWorldX = 0.0;
double dWorldY = 0.0;
pPlot->translateDataToWorld(mLocation.mX, mLocation.mY, dWorldX, dWorldY);
// Increase point size when selected
if (isSelected() == true)
{
switch (pPlot->getSelectionDisplayMode())
{
case SYMBOL_SELECTION: default:
dSymbolSizeX = (mSymbolSize + 3) / pixelSize.mX;
dSymbolSizeY = (mSymbolSize + 3) / pixelSize.mY;
break;
case INVERT_SELECTION:
// Invert symbol color and draw slightly enlarged symbol behind it when selected
glPushMatrix();
glLineWidth(2);
// Invert the color
glColor3ub(255 - mColor.red(), 255 - mColor.green(), 255 - mColor.blue());
// Draw the inverted symbol
glTranslatef(dWorldX, dWorldY, 0);
glScalef( (mSymbolSize + 1) / pixelSize.mX, (mSymbolSize + 1) / pixelSize.mY, 0);
glCallList(pPlot->getDisplayListIndex() + mSymbol);
glLineWidth(1);
glPopMatrix();
break;
case BOX_SELECTION:
// Draw a gray box around the symbol if it is selected
glPushMatrix();
glLineWidth(2);
glColor3ub(212, 208, 200);
glTranslatef(dWorldX, dWorldY, 0);
glScalef((mSymbolSize+2) / pixelSize.mX, (mSymbolSize+2) / pixelSize.mY, 0);
glCallList(pPlot->getDisplayListIndex() + BOX);
glLineWidth(1);
glPopMatrix();
break;
}
}
// Set the color
glColor3ub(mColor.red(), mColor.green(), mColor.blue());
glPushMatrix();
glTranslatef(dWorldX, dWorldY, 0);
glScalef(dSymbolSizeX, dSymbolSizeY, 0);
glCallList(pPlot->getDisplayListIndex() + mSymbol);
glPopMatrix();
}
void PointImp::draw(LocationType pixelSize)
{
if (isVisible() == false)
{
return;
}
PlotViewImp* pPlot = dynamic_cast<PlotViewImp*>(getPlot());
VERIFYNRV(pPlot != NULL);
if (pixelSize.mX == 0.0)
{
pixelSize.mX = 1.0;
}
if (pixelSize.mY == 0.0)
{
pixelSize.mY = 1.0;
}
double dSymbolSizeX = mSymbolSize / pixelSize.mX;
double dSymbolSizeY = mSymbolSize / pixelSize.mY;
double dWorldX = 0.0;
double dWorldY = 0.0;
pPlot->translateDataToWorld(mLocation.mX, mLocation.mY, dWorldX, dWorldY);
// Increase point size when selected
if (isSelected() == true)
{
switch (pPlot->getSelectionDisplayMode())
{
case SYMBOL_SELECTION: default:
dSymbolSizeX = (mSymbolSize + 3) / pixelSize.mX;
dSymbolSizeY = (mSymbolSize + 3) / pixelSize.mY;
break;
case INVERT_SELECTION:
{
// Invert the background color and draw slightly enlarged symbol behind it when selected
glPushMatrix();
glLineWidth(2);
// Invert the color
QColor backgroundColor = pPlot->getBackgroundColor();
int selectionHue = -1;
int selectionSaturation = 255;
int selectionValue = 255;
int pointHue = mColor.hue();
int backgroundHue = backgroundColor.hue();
if ((pointHue > -1) && (backgroundHue > -1))
{
selectionHue = (pointHue + backgroundHue) / 2;
if (abs(pointHue - backgroundHue) < 180)
{
selectionHue += 180;
}
}
else if (pointHue > -1)
{
selectionHue = pointHue + 180;
}
else if (backgroundHue > -1)
{
selectionHue = backgroundHue + 180;
}
else
{
int pointValue = mColor.value();
int backgroundValue = backgroundColor.value();
selectionValue = (pointValue + backgroundValue) / 2;
if (abs(pointValue - backgroundValue) < 128)
{
selectionValue += 128;
}
}
while (selectionHue >= 360)
{
selectionHue -= 360;
}
while (selectionValue >= 256)
{
selectionValue -= 256;
}
QColor selectionColor = QColor::fromHsv(selectionHue, selectionSaturation, selectionValue);
glColor3ub(selectionColor.red(), selectionColor.green(), selectionColor.blue());
// Draw the inverted symbol
glTranslatef(dWorldX, dWorldY, 0);
glScalef((mSymbolSize + 2) / pixelSize.mX, (mSymbolSize + 2) / pixelSize.mY, 0);
glCallList(pPlot->getDisplayListIndex() + mSymbol);
glLineWidth(1);
glPopMatrix();
break;
}
case BOX_SELECTION:
// Draw a gray box around the symbol if it is selected
glPushMatrix();
glLineWidth(2);
glColor3ub(212, 208, 200);
glTranslatef(dWorldX, dWorldY, 0);
glScalef((mSymbolSize+2) / pixelSize.mX, (mSymbolSize+2) / pixelSize.mY, 0);
glCallList(pPlot->getDisplayListIndex() + BOX);
glLineWidth(1);
glPopMatrix();
break;
}
}
// Set the color
glColor3ub(mColor.red(), mColor.green(), mColor.blue());
glPushMatrix();
glTranslatef(dWorldX, dWorldY, 0);
glScalef(dSymbolSizeX, dSymbolSizeY, 0);
glCallList(pPlot->getDisplayListIndex() + mSymbol);
glPopMatrix();
}
