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/*
* scribiu -- read notebooks and voice memos from Livescribe pens
* Copyright (C) 2015 Javier S. Pedro <javier@javispedro.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QtCore/QDebug>
#include <QtGui/QPainterPath>
#include "stfreader.h"
#include "smartpen.h"
#include "stfstrokeitem.h"
#include "stfgraphicsitem.h"
class StfToGraphicsPathItems : public StfReader::StrokeHandler {
QGraphicsItem *parent;
PaperReplay::SessionList replays;
PaperReplay::Session replay;
qint64 startTime;
QPainterPath path;
QRectF bound;
public:
StfToGraphicsPathItems(const PaperReplay::SessionList &replays, QGraphicsItem* parent)
: parent(parent), replays(replays), path(), bound(0.0, 0.0, 1.0, 1.0) {
}
bool startStroke(const QPoint& p, int force, qint64 time) {
Q_UNUSED(force);
QList<PaperReplay::Session> sessions = replays.sessionsDuringTime(time);
if (!sessions.isEmpty()) {
replay = sessions.first();
} else {
replay = PaperReplay::Session();
}
startTime = time;
path = QPainterPath(QPointF(p));
return true;
}
bool strokePoint(const QPoint& p, int force, qint64 time) {
Q_UNUSED(force);
Q_UNUSED(time);
path.lineTo(QPointF(p));
return true;
}
bool endStroke(qint64 time) {
bound |= path.boundingRect();
new StfStrokeItem(path, replay, startTime, time, parent);
/* Parent will take the child down with him when deleted. */
return true;
}
const QRectF& boundingRect() {
return bound;
}
};
StfGraphicsItem::StfGraphicsItem(QIODevice *dev, const PaperReplay::SessionList &replays, QGraphicsItem *parent) :
QGraphicsItem(parent)
{
setFlags(ItemHasNoContents);
StfToGraphicsPathItems h(replays, this);
StfReader r;
r.setStrokeHandler(&h);
if (r.parse(dev)) {
bbox = h.boundingRect();
}
}
QRectF StfGraphicsItem::boundingRect() const
{
return bbox;
}
void StfGraphicsItem::paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *)
{
/* Intentionally empty; ItemHasNoContents; children will do the painting. */
}
int StfGraphicsItem::type() const
{
return Type;
}
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