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#include <QtCore/QDebug>
#include <QtGui/QPen>
#include "pageitem.h"
#include "stfgraphicsitem.h"

PageItem::PageItem(AfdNotebook *nb, int pageNum, QGraphicsItem *parent) :
    QGraphicsItem(parent), _nb(nb), _pageNum(pageNum), _strokesLoaded(false)
{
	_pageSize = _nb->getPageSize(pageNum);
	_pageTrim = _nb->getPageTrim(pageNum);

	QGraphicsRectItem *border = new QGraphicsRectItem(_pageTrim, this);
	border->setPen(QPen(Qt::black));

	QPixmap bgPix = _nb->getPageBackground(_pageNum);
	QGraphicsPixmapItem *bg = new QGraphicsPixmapItem(bgPix, this);
	bg->setShapeMode(QGraphicsPixmapItem::BoundingRectShape);
	bg->setTransformationMode(Qt::SmoothTransformation);
	QRectF bgRect = bg->boundingRect();
	bg->scale(_pageTrim.width() / bgRect.width(), _pageTrim.height() / bgRect.height());
	bg->setPos(_pageTrim.topLeft());
}

QRectF PageItem::boundingRect() const
{
	return QRectF(QPointF(0, 0), _pageSize);
}

void PageItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
	Q_UNUSED(painter);
	Q_UNUSED(option);
	Q_UNUSED(widget);
	if (!_strokesLoaded) {
		createStrokes();
		_strokesLoaded = true;
	}
}

int PageItem::type() const
{
	return Type;
}

int PageItem::pageNum() const
{
	return _pageNum;
}

void PageItem::createStrokes()
{
	QStringList pens = _nb->penSerials();
	if (pens.isEmpty()) return;
	QStringList strokeFiles = _nb->strokeFiles(pens.first(), _pageNum);
	foreach (const QString &strokeFile, strokeFiles) {
		QFile f(strokeFile);
		if (!f.open(QIODevice::ReadOnly)) {
			qWarning() << "Could not open stroke file:" << strokeFile;
			continue;
		}
		new StfGraphicsItem(&f, this);
	}
	qDebug() << "strokes loaded for page" << _pageNum;
}