subsurface/qt-mobile/qmlprofile.cpp
Dirk Hohndel df9062bd2e QML UI: next attempt to address the profile scaling
It seems to be much more logical to address the size and scale right
before rendering.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2016-01-15 13:55:42 -08:00

75 lines
1.9 KiB
C++

#include "qmlprofile.h"
#include "profile-widget/profilewidget2.h"
#include "subsurface-core/dive.h"
#include <QTransform>
QMLProfile::QMLProfile(QQuickItem *parent) :
QQuickPaintedItem(parent),
m_margin(0)
{
setAntialiasing(true);
m_profileWidget = new ProfileWidget2(0);
m_profileWidget->setProfileState();
m_profileWidget->setPrintMode(true);
m_profileWidget->setFontPrintScale(0.8);
//m_profileWidget->setGeometry(this->geometry());
}
QMLProfile::~QMLProfile()
{
m_profileWidget->deleteLater();
}
void QMLProfile::paint(QPainter *painter)
{
m_profileWidget->setGeometry(QRect(0, 0, width(), height()));
// scale the profile widget's image to devicePixelRatio and a magic number
qreal dpr = 104; // that should give us 2% margin all around
qreal sx = width() / dpr;
qreal sy = height() / dpr;
qDebug() << "paint called; rect" << x() << y() << width() << height() << "dpr" << dpr << "sx/sy" << sx << sy;
QTransform profileTransform;
profileTransform.scale(sx, sy);
m_profileWidget->setTransform(profileTransform);
qDebug() << "viewportTransform" << m_profileWidget->viewportTransform();
qDebug() << "after scaling we have margin/rect" << m_profileWidget->contentsMargins() << m_profileWidget->contentsRect();
qDebug() << "size of the QMLProfile:" << this->contentsSize() << this->contentsScale();
m_profileWidget->render(painter);
}
void QMLProfile::setMargin(int margin)
{
m_margin = margin;
}
QString QMLProfile::diveId() const
{
return m_diveId;
}
void QMLProfile::setDiveId(const QString &diveId)
{
m_diveId = diveId;
struct dive *d = get_dive_by_uniq_id(m_diveId.toInt());
if (m_diveId.toInt() < 1)
return;
if (!d)
return;
qDebug() << "setDiveId called with valid dive" << d->number;
m_profileWidget->plotDive(d);
}
qreal QMLProfile::devicePixelRatio() const
{
return m_devicePixelRatio;
}
void QMLProfile::setDevicePixelRatio(qreal dpr)
{
if (dpr != m_devicePixelRatio) {
m_devicePixelRatio = dpr;
emit devicePixelRatioChanged();
}
}