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#include "divetextitem.h"
#include "mainwindow.h"
#include "profilewidget2.h"
#include "subsurface-core/color.h"
#include <QBrush>
DiveTextItem::DiveTextItem(QGraphicsItem *parent) : QGraphicsItemGroup(parent),
internalAlignFlags(Qt::AlignHCenter | Qt::AlignVCenter),
textBackgroundItem(new QGraphicsPathItem(this)),
textItem(new QGraphicsPathItem(this)),
printScale(1.0),
scale(1.0),
connected(false)
{
setFlag(ItemIgnoresTransformations);
textBackgroundItem->setBrush(QBrush(getColor(TEXT_BACKGROUND)));
textBackgroundItem->setPen(Qt::NoPen);
textItem->setPen(Qt::NoPen);
}
void DiveTextItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
updateText();
QGraphicsItemGroup::paint(painter, option, widget);
}
void DiveTextItem::fontPrintScaleUpdate(double scale)
{
printScale = scale;
}
void DiveTextItem::setAlignment(int alignFlags)
{
if (alignFlags != internalAlignFlags) {
internalAlignFlags = alignFlags;
}
}
void DiveTextItem::setBrush(const QBrush &b)
{
textItem->setBrush(b);
}
void DiveTextItem::setScale(double newscale)
{
if (scale != newscale) {
scale = newscale;
}
}
void DiveTextItem::setText(const QString &t)
{
if (internalText != t) {
if (!connected) {
if (scene()) {
// by now we should be on a scene. grab the profile widget from it and setup our printScale
// and connect to the signal that makes sure we keep track if that changes
ProfileWidget2 *profile = qobject_cast<ProfileWidget2 *>(scene()->views().first());
connect(profile, SIGNAL(fontPrintScaleChanged(double)), this, SLOT(fontPrintScaleUpdate(double)), Qt::UniqueConnection);
fontPrintScaleUpdate(profile->getFontPrintScale());
connected = true;
} else {
qDebug() << "called before scene was set up" << t;
}
}
internalText = t;
updateText();
}
}
const QString &DiveTextItem::text()
{
return internalText;
}
void DiveTextItem::updateText()
{
double size;
if (internalText.isEmpty()) {
return;
}
QFont fnt(qApp->font());
if ((size = fnt.pixelSize()) > 0) {
// set in pixels - so the scale factor may not make a difference if it's too close to 1
size *= scale * printScale;
fnt.setPixelSize(size);
} else {
size = fnt.pointSizeF();
size *= scale * printScale;
fnt.setPointSizeF(size);
}
QFontMetrics fm(fnt);
QPainterPath textPath;
qreal xPos = 0, yPos = 0;
QRectF rect = fm.boundingRect(internalText);
yPos = (internalAlignFlags & Qt::AlignTop) ? 0 :
(internalAlignFlags & Qt::AlignBottom) ? +rect.height() :
/*(internalAlignFlags & Qt::AlignVCenter ? */ +rect.height() / 4;
xPos = (internalAlignFlags & Qt::AlignLeft) ? -rect.width() :
(internalAlignFlags & Qt::AlignHCenter) ? -rect.width() / 2 :
/* (internalAlignFlags & Qt::AlignRight) */ 0;
textPath.addText(xPos, yPos, fnt, internalText);
QPainterPathStroker stroker;
stroker.setWidth(3);
textBackgroundItem->setPath(stroker.createStroke(textPath));
textItem->setPath(textPath);
}
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