bool PointImp::getExtents(double& dMinX, double& dMinY, double& dMaxX, double& dMaxY)
{
PlotViewImp* pPlot = getPlot();
VERIFY(pPlot != NULL);
double dWorldX = 0.0;
double dWorldY = 0.0;
pPlot->translateDataToWorld(mLocation.mX, mLocation.mY, dWorldX, dWorldY);
dMinX = dMaxX = dWorldX;
dMinY = dMaxY = dWorldY;
return true;
}
bool CurveImp::getExtents(double& dMinX, double& dMinY, double& dMaxX, double& dMaxY)
{
unsigned int numPoints = mPoints.size();
if (numPoints == 0)
{
return false;
}
PlotViewImp* pPlot = getPlot();
VERIFY(pPlot != NULL);
dMinX = 1e38;
dMinY = 1e38;
dMaxX = -1e38;
dMaxY = -1e38;
for (unsigned int i = 0; i < numPoints; i++)
{
LocationType point = mPoints.at(i);
double dWorldX = 0.0;
double dWorldY = 0.0;
pPlot->translateDataToWorld(point.mX, point.mY, dWorldX, dWorldY);
if (dWorldX < dMinX)
{
dMinX = dWorldX;
}
if (dWorldY < dMinY)
{
dMinY = dWorldY;
}
if (dWorldX > dMaxX)
{
dMaxX = dWorldX;
}
if (dWorldY > dMaxY)
{
dMaxY = dWorldY;
}
}
return true;
}
bool TextImp::getExtents(double& dMinX, double& dMinY, double& dMaxX, double& dMaxY)
{
PlotViewImp* pPlot = getPlot();
if (pPlot == NULL)
{
return false;
}
double dScreenX = 0;
double dScreenY = 0;
pPlot->translateDataToScreen(mLocation.mX, mLocation.mY, dScreenX, dScreenY);
QFontMetrics ftMetrics(mFont);
int iHeight = ftMetrics.height();
int iWidth = ftMetrics.width(mText);
double dScreenExtentX = dScreenX + iWidth;
double dScreenExtentY = dScreenY + iHeight;
pPlot->translateDataToWorld(mLocation.mX, mLocation.mY, dMinX, dMinY);
pPlot->translateScreenToWorld(dScreenExtentX, dScreenExtentY, dMaxX, dMaxY);
return true;
}
void CurveImp::draw()
{
if (isVisible() == false)
{
return;
}
unsigned int numPoints = mPoints.size();
if (numPoints == 0)
{
return;
}
glColor3ub(mColor.red(), mColor.green(), mColor.blue());
glLineWidth(mLineWidth);
if (mLineStyle != SOLID_LINE)
{
glEnable(GL_LINE_STIPPLE);
if (mLineStyle == DASHED)
{
glLineStipple(3, 0x3f3f);
}
else if (mLineStyle == DOT)
{
glLineStipple(2, 0x1111);
}
else if (mLineStyle == DASH_DOT)
{
glLineStipple(2, 0x11ff);
}
else if (mLineStyle == DASH_DOT_DOT)
{
glLineStipple(2, 0x24ff);
}
}
glBegin(GL_LINE_STRIP);
PlotViewImp* pPlot = getPlot();
VERIFYNRV(pPlot != NULL);
double dWorldX = 0.0;
double dWorldY = 0.0;
unsigned int i = 0;
for (i = 0; i < numPoints; i++)
{
LocationType point = mPoints.at(i);
pPlot->translateDataToWorld(point.mX, point.mY, dWorldX, dWorldY);
glVertex2d(dWorldX, dWorldY);
}
glEnd();
if (mLineStyle != SOLID_LINE)
{
glDisable(GL_LINE_STIPPLE);
}
glLineWidth(1);
if (isSelected() == true)
{
for (i = 0; i < numPoints; i++)
{
LocationType point = mPoints.at(i);
double dScreenX = 0;
double dScreenY = 0;
pPlot->translateDataToScreen(point.mX, point.mY, dScreenX, dScreenY);
double dX1 = dScreenX - 4;
double dY1 = dScreenY - 4;
double dX2 = dScreenX + 4;
double dY2 = dScreenY + 4;
double dPixelX1 = 0.0;
double dPixelY1 = 0.0;
double dPixelX2 = 0.0;
double dPixelY2 = 0.0;
pPlot->translateScreenToWorld(dX1, dY1, dPixelX1, dPixelY1);
pPlot->translateScreenToWorld(dX2, dY2, dPixelX2, dPixelY2);
glBegin(GL_POLYGON);
glVertex2d(dPixelX1, (dPixelY1 + dPixelY2) / 2);
glVertex2d((dPixelX1 + dPixelX2) / 2, dPixelY1);
glVertex2d(dPixelX2, (dPixelY1 + dPixelY2) / 2);
glVertex2d((dPixelX1 + dPixelX2) / 2, dPixelY2);
glEnd();
}
}
}
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 PointSetImp::draw()
{
if (isVisible() == false)
{
return;
}
if (mPoints.size() == 0)
{
return;
}
// Line
if (mLine == true)
{
PlotViewImp* pPlot = getPlot();
VERIFYNRV(pPlot != NULL);
if (pPlot->isShadingEnabled() == false)
{
glColor3ub(mLineColor.red(), mLineColor.green(), mLineColor.blue());
glShadeModel(GL_FLAT);
}
else
{
glShadeModel(GL_SMOOTH);
}
glLineWidth(mLineWidth);
if (mLineStyle != SOLID_LINE)
{
glEnable(GL_LINE_STIPPLE);
if (mLineStyle == DASHED)
{
glLineStipple(3, 0x3f3f);
}
else if (mLineStyle == DOT)
{
glLineStipple(2, 0x1111);
}
else if (mLineStyle == DASH_DOT)
{
glLineStipple(2, 0x11ff);
}
else if (mLineStyle == DASH_DOT_DOT)
{
glLineStipple(2, 0x24ff);
}
}
glBegin(GL_LINE_STRIP);
double dWorldX = 0.0;
double dWorldY = 0.0;
vector<Point*>::iterator iter = mPoints.begin();
while (iter != mPoints.end())
{
Point* pPoint = NULL;
pPoint = *iter;
if (pPoint != NULL)
{
const LocationType& point = pPoint->getLocation();
pPlot->translateDataToWorld(point.mX, point.mY, dWorldX, dWorldY);
if (pPlot->isShadingEnabled() == true)
{
ColorType color = pPoint->getColor();
glColor3ub(color.mRed, color.mGreen, color.mBlue);
}
glVertex2d(dWorldX, dWorldY);
}
++iter;
}
glEnd();
if (mLineStyle != SOLID_LINE)
{
glDisable(GL_LINE_STIPPLE);
}
glLineWidth(1);
// Turn the shade model back to flat to not impact other types of plot objects
glShadeModel(GL_FLAT);
}
// Points
LocationType pixelSize(1.0, 1.0);
PlotViewImp* pPlot = dynamic_cast<PlotViewImp*> (getPlot());
if (pPlot != NULL)
{
pixelSize = pPlot->getPixelSize();
}
vector<Point*>::iterator iter = mPoints.begin();
while (iter != mPoints.end())
{
PointAdapter* pPoint = NULL;
pPoint = static_cast<PointAdapter*> (*iter);
if (pPoint != NULL)
{
if ((mSymbols == true) || (mLine == false) || (pPoint->isSelected() == true))
{
pPoint->draw(pixelSize);
}
}
++iter;
}
}
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();
}