void Galaxy::draw(StelCore* core, StelPainter& painter, float)
{
StelSkyDrawer* sd = core->getSkyDrawer();
Vec3f color = Vec3f(0.4f,0.5f,1.2f);
if (StelApp::getInstance().getVisionModeNight())
color = StelUtils::getNightColor(color);
double mag = getVMagnitude(core, true);
StelUtils::spheToRect(RA, DE, XYZ);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glEnable(GL_TEXTURE_2D);
painter.setColor(color[0], color[1], color[2], Galaxy::galaxyBrightness);
glColor4f(color[0],color[1],color[2], Galaxy::galaxyBrightness);
if (mag <= sd->getLimitMagnitude())
{
Galaxy::markerTexture->bind();
float size = getAngularSize(NULL)*M_PI/180.*painter.getProjector()->getPixelPerRadAtCenter();
float shift = 5.f + size/1.6f;
if (GETSTELMODULE(POGS)->getDisplayMode())
{
painter.drawSprite2dMode(XYZ, 6);
painter.drawText(XYZ, " ", 0, shift, shift, false);
}
else
{
painter.drawSprite2dMode(XYZ, 6);
painter.drawText(XYZ, designation, 0, shift, shift, false);
}
}
}
void Quasar::draw(StelCore* core, StelPainter& painter)
{
StelSkyDrawer* sd = core->getSkyDrawer();
Vec3f color = sd->indexToColor(BvToColorIndex(bV))*0.75f;
Vec3f dcolor = Vec3f(1.2f,0.5f,0.4f);
if (StelApp::getInstance().getVisionModeNight())
dcolor = StelUtils::getNightColor(dcolor);
float rcMag[2], size, shift;
double mag;
StelUtils::spheToRect(qRA, qDE, XYZ);
mag = getVMagnitude(core, true);
if (GETSTELMODULE(Quasars)->getDisplayMode())
{
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
painter.setColor(dcolor[0], dcolor[1], dcolor[2], 1);
Quasar::markerTexture->bind();
size = getAngularSize(NULL)*M_PI/180.*painter.getProjector()->getPixelPerRadAtCenter();
shift = 5.f + size/1.6f;
if (labelsFader.getInterstate()<=0.f)
{
painter.drawSprite2dMode(XYZ, 4);
painter.drawText(XYZ, " ", 0, shift, shift, false);
}
}
else
{
sd->preDrawPointSource(&painter);
if (mag <= sd->getLimitMagnitude())
{
sd->computeRCMag(mag, rcMag);
//sd->drawPointSource(&painter, Vec3f(XYZ[0], XYZ[1], XYZ[2]), rcMag, sd->indexToColor(BvToColorIndex(bV)), false);
sd->drawPointSource(&painter, XYZ, rcMag, sd->indexToColor(BvToColorIndex(bV)), false);
painter.setColor(color[0], color[1], color[2], 1);
size = getAngularSize(NULL)*M_PI/180.*painter.getProjector()->getPixelPerRadAtCenter();
shift = 6.f + size/1.8f;
if (labelsFader.getInterstate()<=0.f)
{
painter.drawText(XYZ, designation, 0, shift, shift, false);
}
}
sd->postDrawPointSource(&painter);
}
}
void Supernova::draw(StelCore* core, StelPainter& painter)
{
StelSkyDrawer* sd = core->getSkyDrawer();
Vec3f color = Vec3f(1.f,1.f,1.f);
if (StelApp::getInstance().getVisionModeNight())
color = StelUtils::getNightColor(color);
float rcMag[2], size, shift;
double mag;
StelUtils::spheToRect(snra, snde, XYZ);
mag = getVMagnitude(core, true);
sd->preDrawPointSource(&painter);
if (mag <= sd->getLimitMagnitude())
{
sd->computeRCMag(mag, rcMag);
// sd->drawPointSource(&painter, Vec3f(XYZ[0], XYZ[1], XYZ[2]), rcMag, color, false);
sd->drawPointSource(&painter, XYZ, rcMag, color, false);
painter.setColor(color[0], color[1], color[2], 1);
size = getAngularSize(NULL)*M_PI/180.*painter.getProjector()->getPixelPerRadAtCenter();
shift = 6.f + size/1.8f;
if (labelsFader.getInterstate()<=0.f)
{
painter.drawText(XYZ, designation, 0, shift, shift, false);
}
}
sd->postDrawPointSource(&painter);
}
void Constellation::drawName(StelPainter& sPainter, ConstellationMgr::ConstellationDisplayStyle style) const
{
if (!nameFader.getInterstate())
return;
if (checkVisibility())
{
QString name;
switch (style)
{
case ConstellationMgr::constellationsTranslated:
name=nameI18;
break;
case ConstellationMgr::constellationsNative:
name=nativeName;
break;
case ConstellationMgr::constellationsEnglish:
name=englishName;
break;
case ConstellationMgr::constellationsAbbreviated:
name=(abbreviation.startsWith('.') ? "" : abbreviation);
break;
Q_ASSERT(0);
}
sPainter.setColor(labelColor[0], labelColor[1], labelColor[2], nameFader.getInterstate());
sPainter.drawText(XYname[0], XYname[1], name, 0., -sPainter.getFontMetrics().width(name)/2, 0, false);
}
}
void Nebula::drawLabel(StelPainter& sPainter, float maxMagLabel)
{
float lim = mag;
if (lim > 50) lim = 15.f;
// temporary workaround of this bug: https://bugs.launchpad.net/stellarium/+bug/1115035 --AW
if (getEnglishName().contains("Pleiades"))
lim = 5.f;
if (lim>maxMagLabel)
return;
Vec3f col(labelColor[0], labelColor[1], labelColor[2]);
sPainter.setColor(col[0], col[1], col[2], hintsBrightness);
float size = getAngularSize(NULL)*M_PI/180.*sPainter.getProjector()->getPixelPerRadAtCenter();
float shift = 4.f + size/1.8f;
QString str;
if (!nameI18.isEmpty())
str = getNameI18n();
else
{
if (M_nb > 0)
str = QString("M %1").arg(M_nb);
else if (C_nb > 0)
str = QString("C %1").arg(C_nb);
else if (NGC_nb > 0)
str = QString("NGC %1").arg(NGC_nb);
else if (IC_nb > 0)
str = QString("IC %1").arg(IC_nb);
}
sPainter.drawText(XY[0]+shift, XY[1]+shift, str, 0, 0, 0, false);
}
bool ScreenLabel::draw(StelCore*, StelPainter& sPainter)
{
if (labelFader.getInterstate() <= 0.0)
return false;
sPainter.setColor(labelColor[0], labelColor[1], labelColor[2], labelFader.getInterstate());
sPainter.setFont(labelFont);
sPainter.drawText(screenX, screenY, labelText, 0, 0, 0, false);
return true;
}
bool SkyLabel::draw(StelCore* core, StelPainter& sPainter)
{
if(labelFader.getInterstate() <= 0.0)
return false;
Vec3d objectPos = labelObject->getJ2000EquatorialPos(core);
Vec3d labelXY;
sPainter.getProjector()->project(objectPos,labelXY);
sPainter.setFont(labelFont);
double xOffset(0.);
double yOffset(0.);
char hJustify = 'c';
char vJustify = 'c';
if (labelSide.toUpper().contains("N"))
{
yOffset = 1.0;
vJustify = 'b'; // bottom justify text
}
else if (labelSide.toUpper().contains("S"))
{
yOffset = -1.0;
vJustify = 't'; // top justufy text
}
if (labelSide.toUpper().contains("E"))
{
xOffset = 1.0;
hJustify = 'l'; // right justify text
}
else if (labelSide.toUpper().contains("W"))
{
xOffset = -1.0;
hJustify = 'r'; // left justify text
}
if (labelDistance >= 0.0)
{
xOffset *= labelDistance;
yOffset *= labelDistance;
}
else
{
float shift = 4.f + labelObject->getAngularSize(core)*M_PI/180.*sPainter.getProjector()->getPixelPerRadAtCenter()/1.8f;
// use the object size
xOffset *= shift;
yOffset *= shift;
}
double jxOffset(0.);
double jyOffset(0.);
if (hJustify == 'r')
jxOffset = sPainter.getFontMetrics().width(labelText);
else if (hJustify == 'c')
jxOffset = sPainter.getFontMetrics().width(labelText) / 2.;
if (vJustify == 't')
jyOffset = sPainter.getFontMetrics().height();
else if (vJustify == 'c')
jyOffset = sPainter.getFontMetrics().height() / 2.;
sPainter.setColor(labelColor[0], labelColor[1], labelColor[2], labelFader.getInterstate());
sPainter.drawText(labelXY[0]+xOffset-jxOffset, labelXY[1]+yOffset-jyOffset, labelText, 0, 0, 0, false);
if (labelStyle == SkyLabel::Line)
{
sPainter.enableTexture2d(false);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// screen coordinates of object
Vec3d objXY;
sPainter.getProjector()->project(objectPos,objXY);
double lineEndX = labelXY[0]+xOffset;
double lineEndY = labelXY[1]+yOffset;
if (vJustify == 'b')
lineEndY -= 5;
else if (vJustify == 't')
lineEndY += 5;
if (hJustify == 'l')
lineEndX -= 5;
else if (hJustify == 'r')
lineEndX += 5;
sPainter.setColor(labelColor[0], labelColor[1], labelColor[2], labelFader.getInterstate());
sPainter.drawLine2d(lineEndX,lineEndY,objXY[0], objXY[1]);
}
return true;
}
void Nebula::drawLabel(StelPainter& sPainter, float maxMagLabel)
{
float lim = mag;
if (lim > 50) lim = 15.f;
// temporary workaround of this bug: https://bugs.launchpad.net/stellarium/+bug/1115035 --AW
if (getEnglishName().contains("Pleiades"))
lim = 5.f;
// Dark nebulae. Not sure how to assess visibility from opacity? --GZ
if (nType==NebDn)
{
// GZ: ad-hoc visibility formula: assuming good visibility if objects of mag9 are visible, "usual" opacity 5 and size 30', better visibility (discernability) comes with higher opacity and larger size,
// 9-(opac-5)-2*(angularSize-0.5)
if (angularSize>0 && mag<50)
lim = 15.0f - mag - 2.0f*angularSize;
else
lim = 9.0f;
}
else if (nType==NebHII || nType==NebHa)
lim=9.0f;
if (lim>maxMagLabel)
return;
Vec3d win;
// Check visibility of DSO labels
if (!(sPainter.getProjector()->projectCheck(XYZ, win)))
return;
Vec3f col(labelColor[0], labelColor[1], labelColor[2]);
sPainter.setColor(col[0], col[1], col[2], hintsBrightness);
float size = getAngularSize(NULL)*M_PI/180.*sPainter.getProjector()->getPixelPerRadAtCenter();
float shift = 4.f + (drawHintProportional ? size : size/1.8f);
QString str;
if (!nameI18.isEmpty())
str = getNameI18n();
else
{
// On screen label: one only, priority as given here. NGC should win over Sharpless. (GZ)
if (M_nb > 0)
str = QString("M %1").arg(M_nb);
else if (C_nb > 0)
str = QString("C %1").arg(C_nb);
else if (NGC_nb > 0)
str = QString("NGC %1").arg(NGC_nb);
else if (IC_nb > 0)
str = QString("IC %1").arg(IC_nb);
else if (B_nb > 0)
str = QString("B %1").arg(B_nb);
else if (Sh2_nb > 0)
str = QString("Sh 2-%1").arg(Sh2_nb);
else if (VdB_nb > 0)
str = QString("VdB %1").arg(VdB_nb);
else if (RCW_nb > 0)
str = QString("RCW %1").arg(RCW_nb);
else if (LDN_nb > 0)
str = QString("LDN %1").arg(LDN_nb);
else if (LBN_nb > 0)
str = QString("LBN %1").arg(LBN_nb);
else if (Cr_nb > 0)
str = QString("Cr %1").arg(Cr_nb);
else if (Mel_nb > 0)
str = QString("Mel %1").arg(Mel_nb);
}
sPainter.drawText(XY[0]+shift, XY[1]+shift, str, 0, 0, 0, false);
}
