//TODO: Let GL generate the texture using an FBO
void QOpenGL2GradientCache::generateGradientColorTable(const QGradient& gradient, uint *colorTable, int size, qreal opacity) const
{
int pos = 0;
QGradientStops s = gradient.stops();
QVector<uint> colors(s.size());
for (int i = 0; i < s.size(); ++i)
colors[i] = s[i].second.rgba(); // Qt LIES! It returns ARGB (on little-endian AND on big-endian)
bool colorInterpolation = (gradient.interpolationMode() == QGradient::ColorInterpolation);
uint alpha = qRound(opacity * 256);
uint current_color = ARGB_COMBINE_ALPHA(colors[0], alpha);
qreal incr = 1.0 / qreal(size);
qreal fpos = 1.5 * incr;
colorTable[pos++] = ARGB2RGBA(qPremultiply(current_color));
while (fpos <= s.first().first) {
colorTable[pos] = colorTable[pos - 1];
pos++;
fpos += incr;
}
if (colorInterpolation)
current_color = qPremultiply(current_color);
for (int i = 0; i < s.size() - 1; ++i) {
qreal delta = 1/(s[i+1].first - s[i].first);
uint next_color = ARGB_COMBINE_ALPHA(colors[i+1], alpha);
if (colorInterpolation)
next_color = qPremultiply(next_color);
while (fpos < s[i+1].first && pos < size) {
int dist = int(256 * ((fpos - s[i].first) * delta));
int idist = 256 - dist;
if (colorInterpolation)
colorTable[pos] = ARGB2RGBA(INTERPOLATE_PIXEL_256(current_color, idist, next_color, dist));
else
colorTable[pos] = ARGB2RGBA(qPremultiply(INTERPOLATE_PIXEL_256(current_color, idist, next_color, dist)));
++pos;
fpos += incr;
}
current_color = next_color;
}
Q_ASSERT(s.size() > 0);
uint last_color = ARGB2RGBA(qPremultiply(ARGB_COMBINE_ALPHA(colors[s.size() - 1], alpha)));
for (;pos < size; ++pos)
colorTable[pos] = last_color;
// Make sure the last color stop is represented at the end of the table
colorTable[size-1] = last_color;
}
GLuint QOpenGL2GradientCache::getBuffer(const QGradient &gradient, qreal opacity)
{
quint64 hash_val = 0;
QGradientStops stops = gradient.stops();
for (int i = 0; i < stops.size() && i <= 2; i++)
hash_val += stops[i].second.rgba();
const QMutexLocker lock(&m_mutex);
QOpenGLGradientColorTableHash::const_iterator it = cache.constFind(hash_val);
if (it == cache.constEnd())
return addCacheElement(hash_val, gradient, opacity);
else {
do {
const CacheInfo &cache_info = it.value();
if (cache_info.stops == stops && cache_info.opacity == opacity
&& cache_info.interpolationMode == gradient.interpolationMode())
{
return cache_info.texId;
}
++it;
} while (it != cache.constEnd() && it.key() == hash_val);
// an exact match for these stops and opacity was not found, create new cache
return addCacheElement(hash_val, gradient, opacity);
}
}
void TransferFunctionEditor::setColorMapStops( const QGradientStops& stops )
{
QPolygonF redPoints, greenPoints, bluePoints, alphaPoints;
const double redCMHt = _redWidget->height();
const double greenCMHt = _greenWidget->height();
const double blueCMHt = _blueWidget->height();
const double alphaCMHt = _alphaWidget->height();
for( int32_t i = 0; i < stops.size(); ++i )
{
double position = stops.at( i ).first;
QRgb color = stops.at( i ).second.rgba();
redPoints << QPointF( position * _redWidget->width(),
redCMHt - qRed(color) * redCMHt / 255 );
greenPoints << QPointF( position * _greenWidget->width(),
greenCMHt - qGreen(color) * greenCMHt / 255 );
bluePoints << QPointF( position * _blueWidget->width(),
blueCMHt - qBlue(color) * blueCMHt / 255 );
alphaPoints << QPointF( position * _alphaWidget->width(),
alphaCMHt - qAlpha(color) * alphaCMHt / 255 );
}
_redWidget->setPoints( redPoints );
_greenWidget->setPoints( greenPoints );
_blueWidget->setPoints( bluePoints );
_alphaWidget->setPoints( alphaPoints );
}
MythImage* MythPainter::GetImageFromRect(const QRect &area, int radius,
int ellipse,
const QBrush &fillBrush,
const QPen &linePen)
{
if (area.width() <= 0 || area.height() <= 0)
return NULL;
uint64_t hash1 = ((0xfff & (uint64_t)area.width())) +
((0xfff & (uint64_t)area.height()) << 12) +
((0xff & (uint64_t)fillBrush.style()) << 24) +
((0xff & (uint64_t)linePen.width()) << 32) +
((0xff & (uint64_t)radius) << 40) +
((0xff & (uint64_t)linePen.style()) << 48) +
((0xff & (uint64_t)ellipse) << 56);
uint64_t hash2 = ((0xffffffff & (uint64_t)linePen.color().rgba())) +
((0xffffffff & (uint64_t)fillBrush.color().rgba()) << 32);
QString incoming("R");
if (fillBrush.style() == Qt::LinearGradientPattern && fillBrush.gradient())
{
const QLinearGradient *gradient = static_cast<const QLinearGradient*>(fillBrush.gradient());
if (gradient)
{
incoming = QString::number(
((0xfff & (uint64_t)gradient->start().x())) +
((0xfff & (uint64_t)gradient->start().y()) << 12) +
((0xfff & (uint64_t)gradient->finalStop().x()) << 24) +
((0xfff & (uint64_t)gradient->finalStop().y()) << 36));
QGradientStops stops = gradient->stops();
for (int i = 0; i < stops.size(); i++)
{
incoming += QString::number(
((0xfff * (uint64_t)(stops[i].first * 100))) +
((uint64_t)stops[i].second.rgba() << 12));
}
}
}
incoming += QString::number(hash1) + QString::number(hash2);
if (m_StringToImageMap.contains(incoming))
{
m_StringExpireList.remove(incoming);
m_StringExpireList.push_back(incoming);
return m_StringToImageMap[incoming];
}
MythImage *im = GetFormatImage();
if (im)
{
DrawRectPriv(im, area, radius, ellipse, fillBrush, linePen);
m_SoftwareCacheSize += (im->bytesPerLine() * im->height());
m_StringToImageMap[incoming] = im;
m_StringExpireList.push_back(incoming);
ExpireImages(m_MaxSoftwareCacheSize);
}
return im;
}
void saveGradientStops(QTextStream &str, const QGradient *g) {
QGradientStops stops = g->stops();
if (g->interpolationMode() == QGradient::ColorInterpolation) {
bool constantAlpha = true;
int alpha = stops.at(0).second.alpha();
for (int i = 1; i < stops.size(); ++i)
constantAlpha &= (stops.at(i).second.alpha() == alpha);
if (!constantAlpha) {
const qreal spacing = qreal(0.02);
QGradientStops newStops;
QRgb fromColor = PREMUL(stops.at(0).second.rgba());
QRgb toColor;
for (int i = 0; i + 1 < stops.size(); ++i) {
int parts = qCeil((stops.at(i + 1).first - stops.at(i).first) / spacing);
newStops.append(stops.at(i));
toColor = PREMUL(stops.at(i + 1).second.rgba());
if (parts > 1) {
qreal step = (stops.at(i + 1).first - stops.at(i).first) / parts;
for (int j = 1; j < parts; ++j) {
QRgb color = INV_PREMUL(INTERPOLATE_PIXEL_256(fromColor, 256 - 256 * j / parts, toColor, 256 * j / parts));
newStops.append(QGradientStop(stops.at(i).first + j * step, QColor::fromRgba(color)));
}
}
fromColor = toColor;
}
newStops.append(stops.back());
stops = newStops;
}
}
foreach(QGradientStop stop, stops) {
QString color =
QString::fromLatin1("#%1%2%3")
.arg(stop.second.red(), 2, 16, QLatin1Char('0'))
.arg(stop.second.green(), 2, 16, QLatin1Char('0'))
.arg(stop.second.blue(), 2, 16, QLatin1Char('0'));
str << QLatin1String(" <stop offset=\"")<< stop.first << QLatin1String("\" ")
<< QLatin1String("stop-color=\"") << color << QLatin1String("\" ")
<< QLatin1String("stop-opacity=\"") << stop.second.alphaF() <<QLatin1String("\" />\n");
}
bool GradientStopEditor::setStops( const QGradientStops &s )
{
int countStops = s.size();
if( countStops < 2 )
return false;
values.clear();
positions.clear();
switch( stopChannel )
{
case redChannel:
for( int i = 0; i < countStops; i++ )
{
positions << s[ i ].first;
values << s[ i ].second.red();
}
break;
case greenChannel:
for( int i = 0; i < countStops; i++ )
{
positions << s[ i ].first;
values << s[ i ].second.green();
}
break;
case blueChannel:
for( int i = 0; i < countStops; i++ )
{
positions << s[ i ].first;
values << s[ i ].second.blue();
}
break;
case composite:
for( int i = 0; i < countStops; i++ )
{
positions << s[ i ].first;
values << s[ i ].second.alpha();
}
break;
}
if( positions[ 0 ] != 0.0 )
positions[ 0 ] = 0.0;
if( positions[ countStops - 1 ] != 1.0 )
positions[ countStops - 1 ] = 1.0;
generateBackground( true );
update();
return true;
}
QGradientStops QQuickGradient::gradientStops() const
{
QGradientStops stops;
for (int i = 0; i < m_stops.size(); ++i){
int j = 0;
while (j < stops.size() && stops.at(j).first < m_stops[i]->position())
j++;
stops.insert(j, QGradientStop(m_stops.at(i)->position(), m_stops.at(i)->color()));
}
return stops;
}
void GradientSliderWidget::SetGradientStops(QGradientStops newStops)
{
QList<uint> keys = sliders.keys();
for (int i=0; i<keys.size(); ++i)
{
RemoveSlider(keys[i]);
}
if (newStops.size() >= 2)
{
for (int i=0; i<newStops.size(); ++i)
{
unsigned int newSlider = AddSlider();
SetSliderValue(newSlider, minValue + (1.0-newStops[i].first) * (maxValue-minValue));
SetSliderColor(newSlider, newStops[i].second);
}
} else {
CreateDefaultSliders();
}
UpdateGradientStops();
}
void ColorMapWidget::setGradientStops( const QGradientStops& stops )
{
if( _channel != lexis::render::ColorMap::Channel::alpha )
return;
_gradient = QLinearGradient( 0.0f, 0.0f, width(), 0.0f );
for( int i = 0; i < stops.size(); ++i )
_gradient.setColorAt( stops.at( i ).first, stops.at( i ).second );
_background = QImage();
_generateBackground();
}
QGradientStops
MeshGenerator::resampleGradientStops(QGradientStops stops)
{
QColor colorMap[256];
int startj, endj;
for(int i=0; i<stops.size(); i++)
{
float pos = stops[i].first;
QColor color = stops[i].second;
endj = pos*255;
colorMap[endj] = color;
if (i > 0)
{
QColor colStart, colEnd;
colStart = colorMap[startj];
colEnd = colorMap[endj];
float rb,gb,bb,ab, re,ge,be,ae;
rb = colStart.red();
gb = colStart.green();
bb = colStart.blue();
ab = colStart.alpha();
re = colEnd.red();
ge = colEnd.green();
be = colEnd.blue();
ae = colEnd.alpha();
for (int j=startj+1; j<endj; j++)
{
float frc = (float)(j-startj)/(float)(endj-startj);
float r,g,b,a;
r = rb + frc*(re-rb);
g = gb + frc*(ge-gb);
b = bb + frc*(be-bb);
a = ab + frc*(ae-ab);
colorMap[j] = QColor(r, g, b, a);
}
}
startj = endj;
}
QGradientStops newStops;
for (int i=0; i<256; i++)
{
float pos = (float)i/255.0f;
newStops << QGradientStop(pos, colorMap[i]);
}
return newStops;
}
bool GradientStopsEditor::setStops( const QGradientStops &s )
{
int countStops = s.size();
if( countStops < 2 ) return false;
bool oldValueOfHandleSignals = handleSignals;
handleSignals = false;
r.setStops( s );
g.setStops( s );
b.setStops( s );
c.setStops( s );
c.setCompositeGradientStops( s );
handleSignals = oldValueOfHandleSignals;
emit stopsChanged( s );
return true;
}
void ShadeWidget::setGradientStops(const QGradientStops &stops)
{
if (m_shade_type == ARGBShade) {
m_alpha_gradient = QLinearGradient(0, 0, width(), 0);
for (int i=0; i<stops.size(); ++i) {
QColor c = stops.at(i).second;
m_alpha_gradient.setColorAt(stops.at(i).first, QColor(c.red(), c.green(), c.blue()));
}
m_shade = QImage();
generateShade();
update();
}
}
QSGNode *QQuickRectangle::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *data)
{
Q_UNUSED(data);
Q_D(QQuickRectangle);
if (width() <= 0 || height() <= 0
|| (d->color.alpha() == 0 && (!d->pen || d->pen->width() == 0 || d->pen->color().alpha() == 0))) {
delete oldNode;
return 0;
}
QSGRectangleNode *rectangle = static_cast<QSGRectangleNode *>(oldNode);
if (!rectangle) rectangle = d->sceneGraphContext()->createRectangleNode();
rectangle->setRect(QRectF(0, 0, width(), height()));
rectangle->setColor(d->color);
if (d->pen && d->pen->isValid()) {
rectangle->setPenColor(d->pen->color());
rectangle->setPenWidth(d->pen->width());
rectangle->setAligned(d->pen->pixelAligned());
} else {
rectangle->setPenWidth(0);
}
rectangle->setRadius(d->radius);
rectangle->setAntialiasing(d->antialiasing);
QGradientStops stops;
if (d->gradient) {
QList<QQuickGradientStop *> qxstops = d->gradient->m_stops;
for (int i = 0; i < qxstops.size(); ++i){
int j = 0;
while (j < stops.size() && stops.at(j).first < qxstops[i]->position())
j++;
stops.insert(j, QGradientStop(qxstops.at(i)->position(), qxstops.at(i)->color()));
}
}
rectangle->setGradientStops(stops);
rectangle->update();
return rectangle;
}
void GradientStopEditor::setCompositeGradientStops( const QGradientStops &s )
{
if( stopChannel == composite )
{
compositeGradient = QLinearGradient( 0, 0, width(), 0 );
QGradientStops newStops;
int countStops = s.size();
for( int i = 0; i < countStops; i++ )
{
QColor c( s[ i ].second );
c.setAlpha( 255 );
newStops << QGradientStop( s[ i ].first, c );
}
//newStops << compositeGradient.stops();
compositeGradient.setStops( newStops );
generateBackground( true );
update();
}
}
void GradientEditor::setGradientStops(const QGradientStops &stops)
{
QPolygonF pts_red, pts_green, pts_blue, pts_alpha;
qreal h_red = m_red_shade->height();
qreal h_green = m_green_shade->height();
qreal h_blue = m_blue_shade->height();
qreal h_alpha = m_alpha_shade->height();
for (int i=0; i<stops.size(); ++i) {
qreal pos = stops.at(i).first;
QRgb color = stops.at(i).second.rgba();
pts_red << QPointF(pos * m_red_shade->width(), h_red - qRed(color) * h_red / 255);
pts_green << QPointF(pos * m_green_shade->width(), h_green - qGreen(color) * h_green / 255);
pts_blue << QPointF(pos * m_blue_shade->width(), h_blue - qBlue(color) * h_blue / 255);
pts_alpha << QPointF(pos * m_alpha_shade->width(), h_alpha - qAlpha(color) * h_alpha / 255);
}
set_shade_points(pts_red, m_red_shade);
set_shade_points(pts_green, m_green_shade);
set_shade_points(pts_blue, m_blue_shade);
set_shade_points(pts_alpha, m_alpha_shade);
}
bool
PathGroups::keyPressEvent(QKeyEvent *event)
{
for(int i=0; i<m_paths.count(); i++)
{
if (m_paths[i]->grabsMouse())
{
if (event->key() == Qt::Key_G)
{
m_paths[i]->removeFromMouseGrabberPool();
return true;
}
if (event->key() == Qt::Key_C)
{
bool b = m_paths[i]->closed();
m_paths[i]->setClosed(!b);
return true;
}
else if (event->key() == Qt::Key_P)
{
bool b = m_paths[i]->showPoints();
m_paths[i]->setShowPoints(!b);
return true;
}
else if (event->key() == Qt::Key_L)
{
bool b = m_paths[i]->showLength();
m_paths[i]->setShowLength(!b);
return true;
}
else if (event->key() == Qt::Key_X)
{
m_paths[i]->setMoveAxis(PathGroupGrabber::MoveX);
return true;
}
else if (event->key() == Qt::Key_Y)
{
if (event->modifiers() & Qt::ControlModifier ||
event->modifiers() & Qt::MetaModifier)
m_paths[i]->redo();
else
m_paths[i]->setMoveAxis(PathGroupGrabber::MoveY);
return true;
}
else if (event->key() == Qt::Key_Z)
{
if (event->modifiers() & Qt::ControlModifier ||
event->modifiers() & Qt::MetaModifier)
m_paths[i]->undo();
else
m_paths[i]->setMoveAxis(PathGroupGrabber::MoveZ);
return true;
}
else if (event->key() == Qt::Key_W)
{
m_paths[i]->setMoveAxis(PathGroupGrabber::MoveAll);
return true;
}
else if (event->key() == Qt::Key_S)
{
int idx = m_paths[i]->pointPressed();
if (idx > -1)
{
float radx = m_paths[i]->getRadX(idx);
if (event->modifiers() & Qt::ShiftModifier)
radx--;
else
radx++;
radx = qMax(1.0f, radx);
m_paths[i]->setRadX(idx, radx, m_sameForAll);
return true;
}
}
else if (event->key() == Qt::Key_T)
{
int idx = m_paths[i]->pointPressed();
if (idx > -1)
{
float rady = m_paths[i]->getRadY(idx);
if (event->modifiers() & Qt::ShiftModifier)
rady--;
else
rady++;
rady = qMax(1.0f, rady);
m_paths[i]->setRadY(idx, rady, m_sameForAll);
}
else // switch to tube mode
{
if (event->modifiers() & Qt::ShiftModifier)
{
m_paths[i]->loadCaption();
}
else
{
bool b = m_paths[i]->tube();
m_paths[i]->setTube(!b);
}
}
return true;
}
else if (event->key() == Qt::Key_A)
{
int idx = m_paths[i]->pointPressed();
if (idx > -1)
{
float a = m_paths[i]->getAngle(idx);
if (event->modifiers() & Qt::ShiftModifier)
a--;
else
a++;
m_paths[i]->setAngle(idx, a, m_sameForAll);
return true;
}
}
else if (event->key() == Qt::Key_Delete ||
event->key() == Qt::Key_Backspace ||
event->key() == Qt::Key_Backtab)
{
m_paths[i]->removeFromMouseGrabberPool();
m_paths.removeAt(i);
return true;
}
if (event->key() == Qt::Key_Space)
{
PropertyEditor propertyEditor;
QMap<QString, QVariantList> plist;
QVariantList vlist;
vlist.clear();
vlist << QVariant("double");
vlist << QVariant(m_paths[i]->opacity());
vlist << QVariant(0.0);
vlist << QVariant(1.0);
vlist << QVariant(0.1); // singlestep
vlist << QVariant(1); // decimals
plist["opacity"] = vlist;
vlist.clear();
vlist << QVariant("colorgradient");
QGradientStops stops = m_paths[i]->stops();
for(int s=0; s<stops.size(); s++)
{
float pos = stops[s].first;
QColor color = stops[s].second;
int r = color.red();
int g = color.green();
int b = color.blue();
int a = color.alpha();
vlist << QVariant(pos);
vlist << QVariant(r);
vlist << QVariant(g);
vlist << QVariant(b);
vlist << QVariant(a);
}
plist["color"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_paths[i]->filterPathLen());
plist["filter on length"] = vlist;
float vmin, vmax;
m_paths[i]->userPathlenMinmax(vmin, vmax);
vlist.clear();
vlist << QVariant("string");
vlist << QVariant(QString("%1 %2").arg(vmin).arg(vmax));
plist["length bounds"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_paths[i]->scaleType());
plist["scale type"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_paths[i]->depthcue());
plist["depthcue"] = vlist;
vlist.clear();
vlist << QVariant("int");
vlist << QVariant(m_paths[i]->segments());
vlist << QVariant(1);
vlist << QVariant(100);
plist["smoothness"] = vlist;
vlist.clear();
vlist << QVariant("int");
vlist << QVariant(m_paths[i]->sections());
vlist << QVariant(1);
vlist << QVariant(100);
plist["sections"] = vlist;
vlist.clear();
vlist << QVariant("int");
vlist << QVariant(m_paths[i]->sparseness());
vlist << QVariant(1);
vlist << QVariant(100);
plist["sparseness"] = vlist;
vlist.clear();
vlist << QVariant("int");
vlist << QVariant(m_paths[i]->separation());
vlist << QVariant(0);
vlist << QVariant(10);
plist["screen separation"] = vlist;
vlist.clear();
vlist << QVariant("combobox");
vlist << QVariant(m_paths[i]->capType());
vlist << QVariant("flat");
vlist << QVariant("round");
vlist << QVariant("arrow");
plist["cap style"] = vlist;
vlist.clear();
vlist << QVariant("combobox");
vlist << QVariant(m_paths[i]->arrowDirection());
vlist << QVariant("forward");
vlist << QVariant("backward");
plist["arrow direction"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_paths[i]->animate());
plist["animate"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_paths[i]->allowInterpolate());
plist["interpolate"] = vlist;
vlist.clear();
vlist << QVariant("int");
vlist << QVariant(m_paths[i]->animateSpeed());
vlist << QVariant(10);
vlist << QVariant(100);
plist["animation speed"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_paths[i]->arrowForAll());
plist["arrows for all"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_sameForAll);
plist["same for all"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_paths[i]->clip());
plist["clip"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_paths[i]->allowEditing());
plist["allow editing"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_paths[i]->blendMode());
plist["blend with volume"] = vlist;
vlist.clear();
plist["command"] = vlist;
vlist.clear();
QFile helpFile(":/pathgroups.help");
if (helpFile.open(QFile::ReadOnly))
{
QTextStream in(&helpFile);
QString line = in.readLine();
while (!line.isNull())
{
if (line == "#begin")
{
QString keyword = in.readLine();
QString helptext;
line = in.readLine();
while (!line.isNull())
{
helptext += line;
helptext += "\n";
line = in.readLine();
if (line == "#end") break;
}
vlist << keyword << helptext;
}
line = in.readLine();
}
}
plist["commandhelp"] = vlist;
vlist.clear();
QString mesg;
float pmin, pmax;
m_paths[i]->pathlenMinmax(pmin, pmax);
mesg = QString("min/max path lengths : %1 %2\n").arg(pmin).arg(pmax);
float mins,maxs;
mins = m_paths[i]->minScale();
maxs = m_paths[i]->maxScale();
mesg += QString("min/max scale : %1 %2\n").arg(mins).arg(maxs);
vlist << mesg;
plist["message"] = vlist;
QStringList keys;
keys << "color";
keys << "opacity";
keys << "depthcue";
keys << "gap";
keys << "filter on length";
keys << "length bounds";
keys << "scale type";
keys << "gap";
keys << "smoothness";
keys << "sections";
keys << "sparseness";
keys << "screen separation";
keys << "gap";
keys << "cap style";
keys << "arrow direction";
keys << "arrows for all";
keys << "gap";
keys << "animate";
keys << "interpolate";
keys << "animation speed";
keys << "gap";
keys << "same for all";
keys << "clip";
keys << "blend with volume";
keys << "allow editing";
keys << "command";
keys << "commandhelp";
keys << "message";
propertyEditor.set("Path Group Parameters", plist, keys);
QMap<QString, QPair<QVariant, bool> > vmap;
if (propertyEditor.exec() == QDialog::Accepted)
vmap = propertyEditor.get();
else
return true;
keys = vmap.keys();
for(int ik=0; ik<keys.count(); ik++)
{
QPair<QVariant, bool> pair = vmap.value(keys[ik]);
if (pair.second)
{
if (keys[ik] == "color")
{
QGradientStops stops = propertyEditor.getGradientStops(keys[ik]);
m_paths[i]->setStops(stops);
}
else if (keys[ik] == "opacity")
m_paths[i]->setOpacity(pair.first.toDouble());
else if (keys[ik] == "scale type")
m_paths[i]->setScaleType(pair.first.toBool());
else if (keys[ik] == "sections")
m_paths[i]->setSections(pair.first.toInt());
else if (keys[ik] == "smoothness")
m_paths[i]->setSegments(pair.first.toInt());
else if (keys[ik] == "sparseness")
m_paths[i]->setSparseness(pair.first.toInt());
else if (keys[ik] == "screen separation")
m_paths[i]->setSeparation(pair.first.toInt());
else if (keys[ik] == "depthcue")
m_paths[i]->setDepthcue(pair.first.toBool());
else if (keys[ik] == "animate")
m_paths[i]->setAnimate(pair.first.toBool());
else if (keys[ik] == "interpolate")
m_paths[i]->setAllowInterpolate(pair.first.toBool());
else if (keys[ik] == "animation speed")
m_paths[i]->setAnimateSpeed(pair.first.toInt());
else if (keys[ik] == "cap style")
m_paths[i]->setCapType(pair.first.toInt());
else if (keys[ik] == "arrow direction")
m_paths[i]->setArrowDirection(pair.first.toInt());
else if (keys[ik] == "arrows for all")
m_paths[i]->setArrowForAll(pair.first.toBool());
else if (keys[ik] == "same for all")
{
m_sameForAll = pair.first.toBool();
m_paths[i]->setSameForAll(m_sameForAll);
}
else if (keys[ik] == "clip")
m_paths[i]->setClip(pair.first.toBool());
else if (keys[ik] == "allow editing")
m_paths[i]->setAllowEditing(pair.first.toBool());
else if (keys[ik] == "blend with volume")
m_paths[i]->setBlendMode(pair.first.toBool());
else if (keys[ik] == "filter on length")
m_paths[i]->setFilterPathLen(pair.first.toBool());
else if (keys[ik] == "length bounds")
{
QString vstr = pair.first.toString();
QStringList vl = vstr.split(" ", QString::SkipEmptyParts);
if (vl.count() == 2)
m_paths[i]->setUserPathlenMinmax(vl[0].toDouble(),
vl[1].toDouble());
}
}
}
QString cmd = propertyEditor.getCommandString();
if (!cmd.isEmpty())
processCommand(i, cmd);
updateGL();
}
}
}
return true;
}
static void qwtDrawBackground( QPainter *painter, QwtPlotCanvas *canvas )
{
painter->save();
const QPainterPath borderClip = canvas->borderPath( canvas->rect() );
if ( !borderClip.isEmpty() )
painter->setClipPath( borderClip, Qt::IntersectClip );
const QBrush &brush =
canvas->palette().brush( canvas->backgroundRole() );
if ( brush.style() == Qt::TexturePattern )
{
QPixmap pm( canvas->size() );
qwtFillPixmap( canvas, pm );
painter->drawPixmap( 0, 0, pm );
}
else if ( brush.gradient() )
{
QVector<QRect> rects;
if ( brush.gradient()->coordinateMode() == QGradient::ObjectBoundingMode )
{
rects += canvas->rect();
}
else
{
rects = painter->clipRegion().rects();
}
#if 1
bool useRaster = false;
if ( painter->paintEngine()->type() == QPaintEngine::X11 )
{
// Qt 4.7.1: gradients on X11 are broken ( subrects +
// QGradient::StretchToDeviceMode ) and horrible slow.
// As workaround we have to use the raster paintengine.
// Even if the QImage -> QPixmap translation is slow
// it is three times faster, than using X11 directly
useRaster = true;
}
#endif
if ( useRaster )
{
QImage::Format format = QImage::Format_RGB32;
const QGradientStops stops = brush.gradient()->stops();
for ( int i = 0; i < stops.size(); i++ )
{
if ( stops[i].second.alpha() != 255 )
{
// don't use Format_ARGB32_Premultiplied. It's
// recommended by the Qt docs, but QPainter::drawImage()
// is horrible slow on X11.
format = QImage::Format_ARGB32;
break;
}
}
QImage image( canvas->size(), format );
QPainter p( &image );
p.setPen( Qt::NoPen );
p.setBrush( brush );
p.drawRects( rects );
p.end();
painter->drawImage( 0, 0, image );
}
else
{
painter->setPen( Qt::NoPen );
painter->setBrush( brush );
painter->drawRects( rects );
}
}
else
{
painter->setPen( Qt::NoPen );
painter->setBrush( brush );
painter->drawRects( painter->clipRegion().rects() );
}
painter->restore();
}
bool
MeshGenerator::getValues(int &depth,
int &fillValue,
bool &checkForMore,
bool &lookInside,
QGradientStops &stops,
bool doBorder,
int &chan,
bool &avgColor)
{
chan = 0;
depth = 1;
fillValue = -1;
checkForMore = true;
lookInside = false;
avgColor = false;
m_useTagColors = false;
m_scaleModel = 1.0;
QGradientStops vstops;
vstops << QGradientStop(0.0, QColor(50 ,50 ,50 ,255))
<< QGradientStop(0.5, QColor(200,150,100,255))
<< QGradientStop(1.0, QColor(255,255,255,255));
if (doBorder) fillValue = 0;
PropertyEditor propertyEditor;
QMap<QString, QVariantList> plist;
QVariantList vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(avgColor);
plist["average color"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(m_useTagColors);
plist["apply tag colors"] = vlist;
vlist.clear();
vlist << QVariant("int");
vlist << QVariant(chan);
vlist << QVariant(0);
vlist << QVariant(2);
plist["mop channel"] = vlist;
vlist.clear();
vlist << QVariant("int");
vlist << QVariant(depth);
vlist << QVariant(0);
vlist << QVariant(200);
plist["depth"] = vlist;
vlist.clear();
vlist << QVariant("int");
vlist << QVariant(fillValue);
vlist << QVariant(-1);
vlist << QVariant(255);
plist["fillvalue"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(checkForMore);
plist["greater"] = vlist;
vlist.clear();
vlist << QVariant("checkbox");
vlist << QVariant(lookInside);
plist["look inside"] = vlist;
vlist.clear();
vlist << QVariant("float");
vlist << QVariant(m_scaleModel);
vlist << QVariant(0.001);
vlist << QVariant(1.0);
vlist << QVariant(0.005); // singlestep
vlist << QVariant(3); // decimals
plist["scale"] = vlist;
vlist.clear();
vlist << QVariant("colorgradient");
for(int s=0; s<vstops.size(); s++)
{
float pos = vstops[s].first;
QColor color = vstops[s].second;
int r = color.red();
int g = color.green();
int b = color.blue();
int a = color.alpha();
vlist << QVariant(pos);
vlist << QVariant(r);
vlist << QVariant(g);
vlist << QVariant(b);
vlist << QVariant(a);
}
plist["color gradient"] = vlist;
vlist.clear();
QFile helpFile(":/mesh.help");
if (helpFile.open(QFile::ReadOnly))
{
QTextStream in(&helpFile);
QString line = in.readLine();
while (!line.isNull())
{
if (line == "#begin")
{
QString keyword = in.readLine();
QString helptext;
line = in.readLine();
while (!line.isNull())
{
helptext += line;
helptext += "\n";
line = in.readLine();
if (line == "#end") break;
}
vlist << keyword << helptext;
}
line = in.readLine();
}
}
plist["commandhelp"] = vlist;
vlist.clear();
QString mesg;
mesg += "File : "+m_vfm->fileName()+"\n";
int d = m_vfm->depth();
int w = m_vfm->width();
int h = m_vfm->height();
mesg += QString("Volume Size : %1 %2 %3\n").arg(h).arg(w).arg(d);
mesg += QString("Data Min : %1 %2 %3\n").arg(m_dataMin.x).arg(m_dataMin.y).arg(m_dataMin.z);
mesg += QString("Data Max : %1 %2 %3\n").arg(m_dataMax.x).arg(m_dataMax.y).arg(m_dataMax.z);
if (m_voxelType > 0)
mesg += "\n ** Only opacity based surface generation available for unsigned short data **\n";
mesg += "\n* You can keep on working while this process is running.\n";
vlist << mesg;
plist["message"] = vlist;
QStringList keys;
keys << "average color";
keys << "apply tag colors";
keys << "mop channel";
keys << "isosurface value";
keys << "depth";
keys << "fillvalue";
keys << "scale";
keys << "greater";
keys << "look inside";
keys << "color gradient";
keys << "commandhelp";
keys << "message";
propertyEditor.set("Mesh Repainting Parameters", plist, keys);
QMap<QString, QPair<QVariant, bool> > vmap;
if (propertyEditor.exec() == QDialog::Accepted)
vmap = propertyEditor.get();
else
return false;
for(int ik=0; ik<keys.count(); ik++)
{
QPair<QVariant, bool> pair = vmap.value(keys[ik]);
if (pair.second)
{
if (keys[ik] == "average color")
avgColor = pair.first.toBool();
else if (keys[ik] == "apply tag colors")
m_useTagColors = pair.first.toBool();
else if (keys[ik] == "mop channel")
chan = pair.first.toInt();
else if (keys[ik] == "color gradient")
vstops = propertyEditor.getGradientStops(keys[ik]);
else if (keys[ik] == "scale")
m_scaleModel = pair.first.toFloat();
else if (keys[ik] == "depth")
depth = pair.first.toInt();
else if (keys[ik] == "fillvalue")
fillValue = pair.first.toInt();
else if (keys[ik] == "greater")
checkForMore = pair.first.toBool();
else if (keys[ik] == "look inside")
lookInside = pair.first.toBool();
}
}
stops = resampleGradientStops(vstops);
return true;
}
void
TagColorEditor::askGradientChoice()
{
QString homePath = QDir::homePath();
QFileInfo sfi(homePath, ".drishtigradients.xml");
QString stopsflnm = sfi.absoluteFilePath();
if (!sfi.exists())
copyGradientFile(stopsflnm);
QDomDocument document;
QFile f(stopsflnm);
if (f.open(QIODevice::ReadOnly))
{
document.setContent(&f);
f.close();
}
QStringList glist;
QDomElement main = document.documentElement();
QDomNodeList dlist = main.childNodes();
for(int i=0; i<dlist.count(); i++)
{
if (dlist.at(i).nodeName() == "gradient")
{
QDomNodeList cnode = dlist.at(i).childNodes();
for(int j=0; j<cnode.count(); j++)
{
QDomElement dnode = cnode.at(j).toElement();
if (dnode.nodeName() == "name")
glist << dnode.text();
}
}
}
bool ok;
QString gstr = QInputDialog::getItem(0,
"Color Gradient",
"Color Gradient",
glist, 0, false,
&ok);
if (!ok)
return;
int cno = -1;
for(int i=0; i<dlist.count(); i++)
{
if (dlist.at(i).nodeName() == "gradient")
{
QDomNodeList cnode = dlist.at(i).childNodes();
for(int j=0; j<cnode.count(); j++)
{
QDomElement dnode = cnode.at(j).toElement();
if (dnode.tagName() == "name" && dnode.text() == gstr)
{
cno = i;
break;
}
}
}
}
if (cno < 0)
return;
QGradientStops stops;
QDomNodeList cnode = dlist.at(cno).childNodes();
for(int j=0; j<cnode.count(); j++)
{
QDomElement de = cnode.at(j).toElement();
if (de.tagName() == "gradientstops")
{
QString str = de.text();
QStringList strlist = str.split(" ", QString::SkipEmptyParts);
for(int j=0; j<strlist.count()/5; j++)
{
float pos, r,g,b,a;
pos = strlist[5*j].toFloat();
r = strlist[5*j+1].toInt();
g = strlist[5*j+2].toInt();
b = strlist[5*j+3].toInt();
a = strlist[5*j+4].toInt();
stops << QGradientStop(pos, QColor(r,g,b,a));
}
}
}
int mapSize = QInputDialog::getInt(0,
"Number of Colors",
"Number of Colors",
50, 2, 255, 1, &ok);
if (!ok)
mapSize = 50;
QGradientStops gstops;
gstops = StaticFunctions::resampleGradientStops(stops, mapSize);
uchar *colors = Global::tagColors();
for(int i=0; i<gstops.size(); i++)
{
float pos = gstops[i].first;
QColor color = gstops[i].second;
int r = color.red();
int g = color.green();
int b = color.blue();
colors[4*i+0] = r;
colors[4*i+1] = g;
colors[4*i+2] = b;
}
setColors();
}
QList<SplineInformation>
SplineInformation::interpolate(QList<SplineInformation> splineInfo1,
QList<SplineInformation> splineInfo2,
float frc)
{
QList<SplineInformation> splineInfo;
for(int i=0; i<qMin(splineInfo1.size(),
splineInfo2.size()); i++)
{
splineInfo.append(interpolate(splineInfo1[i],
splineInfo2[i],
frc));
}
int st = splineInfo.size();
for(int i=st; i<splineInfo1.size(); i++)
{
QGradientStops stops = splineInfo1[i].gradientStops();
QGradientStops newStops;
for(int j=0; j<stops.size(); j++)
{
float pos = stops[j].first;
QColor col = stops[j].second;
float r,g,b,a;
r = col.red();
g = col.green();
b = col.blue();
a = (1-frc)*col.alpha();
col = QColor(r,g,b,a);
newStops << QGradientStop(pos, col);
}
SplineInformation sinfo;
sinfo.setName(splineInfo1[i].name());
sinfo.setOn(splineInfo1[i].on());
sinfo.setPoints(splineInfo1[i].points());
sinfo.setNormalWidths(splineInfo1[i].normalWidths());
sinfo.setNormalRotations(splineInfo1[i].normalRotations());
sinfo.setGradientStops(newStops);
splineInfo.append(sinfo);
}
st = splineInfo.size();
for(int i=st; i<splineInfo2.size(); i++)
{
QGradientStops stops = splineInfo2[i].gradientStops();
QGradientStops newStops;
for(int j=0; j<stops.size(); j++)
{
float pos = stops[j].first;
QColor col = stops[j].second;
float r,g,b,a;
r = col.red();
g = col.green();
b = col.blue();
a = frc*col.alpha();
col = QColor(r,g,b,a);
newStops << QGradientStop(pos, col);
}
SplineInformation sinfo;
sinfo.setName(splineInfo2[i].name());
sinfo.setOn(splineInfo2[i].on());
sinfo.setPoints(splineInfo2[i].points());
sinfo.setNormalWidths(splineInfo2[i].normalWidths());
sinfo.setNormalRotations(splineInfo2[i].normalRotations());
sinfo.setGradientStops(newStops);
splineInfo.append(sinfo);
}
return splineInfo;
}
QGradientStops
SplineInformation::interpolateGradientStops(QGradientStops stops1,
QGradientStops stops2,
float frc)
{
QVector<float> pos;
for(int i=0; i<stops1.size(); i++)
pos.append(stops1[i].first);
for(int i=0; i<stops2.size(); i++)
{
float pos2 = stops2[i].first;
bool flag = true;
for(int j=0; j<stops1.size(); j++)
{
if (fabs(pos[j] - pos2) < 0.0001)
{
flag = false;
break;
}
}
if (flag)
pos.append(pos2);
}
qSort(pos.begin(), pos.end());
QGradientStops gradStops1 = StaticFunctions::resampleGradientStops(stops1);
QGradientStops gradStops2 = StaticFunctions::resampleGradientStops(stops2);
QGradientStops gradStops;
int gsize = gradStops1.size()-1;
for(int i=0; i<pos.size(); i++)
{
int idx = pos[i]*gsize;
QColor color1 = gradStops1[idx].second;
QColor color2 = gradStops2[idx].second;
// linear interpolation of colors
float rb,gb,bb,ab, re,ge,be,ae;
rb = color1.red();
gb = color1.green();
bb = color1.blue();
ab = color1.alpha();
re = color2.red();
ge = color2.green();
be = color2.blue();
ae = color2.alpha();
float r,g,b,a;
r = rb + frc*(re-rb);
g = gb + frc*(ge-gb);
b = bb + frc*(be-bb);
a = ab + frc*(ae-ab);
QColor color = QColor(r,g,b,a);
gradStops << QGradientStop(pos[i], color);
}
return gradStops;
}
int QPdfEnginePrivate::gradientBrush(const QBrush &b, const QMatrix &matrix, int *gStateObject)
{
const QGradient *gradient = b.gradient();
if (!gradient)
return 0;
QTransform inv = matrix.inverted();
QPointF page_rect[4] = { inv.map(QPointF(0, 0)),
inv.map(QPointF(width_, 0)),
inv.map(QPointF(0, height_)),
inv.map(QPointF(width_, height_)) };
bool opaque = b.isOpaque();
QByteArray shader;
QByteArray alphaShader;
if (gradient->type() == QGradient::LinearGradient) {
const QLinearGradient *lg = static_cast<const QLinearGradient *>(gradient);
shader = QPdf::generateLinearGradientShader(lg, page_rect);
if (!opaque)
alphaShader = QPdf::generateLinearGradientShader(lg, page_rect, true);
} else {
// #############
return 0;
}
int shaderObject = addXrefEntry(-1);
write(shader);
QByteArray str;
QPdf::ByteStream s(&str);
s << "<<\n"
"/Type /Pattern\n"
"/PatternType 2\n"
"/Shading " << shaderObject << "0 R\n"
"/Matrix ["
<< matrix.m11()
<< matrix.m12()
<< matrix.m21()
<< matrix.m22()
<< matrix.dx()
<< matrix.dy() << "]\n";
s << ">>\n"
"endobj\n";
int patternObj = addXrefEntry(-1);
write(str);
currentPage->patterns.append(patternObj);
if (!opaque) {
bool ca = true;
QGradientStops stops = gradient->stops();
int a = stops.at(0).second.alpha();
for (int i = 1; i < stops.size(); ++i) {
if (stops.at(i).second.alpha() != a) {
ca = false;
break;
}
}
if (ca) {
*gStateObject = addConstantAlphaObject(stops.at(0).second.alpha());
} else {
int alphaShaderObject = addXrefEntry(-1);
write(alphaShader);
QByteArray content;
QPdf::ByteStream c(&content);
c << "/Shader" << alphaShaderObject << "sh\n";
QByteArray form;
QPdf::ByteStream f(&form);
f << "<<\n"
"/Type /XObject\n"
"/Subtype /Form\n"
"/BBox [0 0 " << width_ << height_ << "]\n"
"/Group <</S /Transparency >>\n"
"/Resources <<\n"
"/Shading << /Shader" << alphaShaderObject << alphaShaderObject << "0 R >>\n"
">>\n";
f << "/Length " << content.length() << "\n"
">>\n"
"stream\n"
<< content
<< "endstream\n"
"endobj\n";
int softMaskFormObject = addXrefEntry(-1);
write(form);
*gStateObject = addXrefEntry(-1);
xprintf("<< /SMask << /S /Alpha /G %d 0 R >> >>\n"
"endobj\n", softMaskFormObject);
currentPage->graphicStates.append(*gStateObject);
}
}
return patternObj;
}
