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#include <CGAL/Three/TextRenderer.h>
#include <CGAL/Three/Scene_item.h>
#include <CGAL/Three/Scene_print_item_interface.h>
void TextRenderer::draw(CGAL::Three::Viewer_interface *viewer, const QVector3D& scaler)
{
QPainter *painter = viewer->getPainter();
if (!painter->isActive())
painter->begin(viewer);
QRect rect;
CGAL::qglviewer::Camera* camera = viewer->camera();
//Display the items textItems
for(TextListItem* list : textItems)
{
CGAL::Three::Scene_print_item_interface* item =
qobject_cast<CGAL::Three::Scene_print_item_interface*>(scene->item(scene->mainSelectionIndex()));
if( item &&
item->shouldDisplayIds(list->item())
){
for(TextItem* item : list->textList())
{
CGAL::qglviewer::Vec src(item->position().x(), item->position().y(),item->position().z());
if(viewer->testDisplayId(src.x, src.y, src.z))
{
if(item->is_3D())
{
src.x *= scaler.x();
src.y *= scaler.y();
src.z *= scaler.z();
rect = QRect(int(camera->projectedCoordinatesOf(src).x -item->width()/2),
int(camera->projectedCoordinatesOf(src).y -item->height()/2),
int(item->width()),
int(item->height()));
}
else
rect = QRect(int(src.x-item->width()/2),
int(src.y-item->height()/2),
int(item->width()),
int(item->height()));
painter->setFont(item->font());
QColor c = item->color().toHsv();
c.setHsv((c.hsvHue()+180)%360, 255,255,100);
painter->setBrush(QBrush(c));
painter->setPen(QPen(QColor(0,0,0,0)));
painter->drawRect(rect);
painter->setPen(QPen(item->color()));
painter->drawText(rect, item->text());
}
}
}
}
//Display the local TextItems
for(TextItem* item : local_textItems)
{
CGAL::qglviewer::Vec src(item->position().x(), item->position().y(),item->position().z());
if(item->is_3D())
{
if(item->is_always_visible() || viewer->testDisplayId(src.x, src.y, src.z))
{
rect = QRect(int(camera->projectedCoordinatesOf(src).x-item->width()/2),
int(camera->projectedCoordinatesOf(src).y-item->height()/2),
int(item->width()),
int(item->height()));
}
}
else
{
rect = QRect(int(src.x-item->width()/2),
int(src.y-item->height()/2),
int(item->width()),
int(item->height()));
}
painter->setFont(item->font());
QColor c = item->color().toHsv();
c.setHsv((c.hsvHue()+180)%360, 255,255,100);
painter->setBrush(QBrush(c));
painter->setPen(QPen(QColor(0,0,0,0)));
painter->drawRect(rect);
painter->setPen(QPen(item->color()));
painter->drawText(rect, item->text());
}
}
void TextRenderer::addTextList(TextListItem *tl)
{
if(tl->textList().size() > max_textItems)
{
Q_EMIT sendMessage("There are too many textItems to display.",5000);
return;
}
textItems.append(tl);
}
void TextRenderer::addText(TextItem *ti)
{
local_textItems.append(ti);
}
void TextRenderer::addText(float p_x, float p_y, float p_z, QString p_text, bool p_3D, QFont p_font , QColor p_color )
{
local_textItems.append(new TextItem(p_x, p_y, p_z, p_text, p_3D, p_font, p_color));
}
void TextRenderer::removeText(TextItem *item)
{
local_textItems.removeAll(item);
}
void TextRenderer::removeTextList(TextListItem *p_list)
{
for(TextListItem *list : textItems)
if(list == p_list)
textItems.removeAll(list);
}
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