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mobile/profile: add x/y offsets to widget

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This will allow us to pan the profile around in the QML UI.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2020-02-17 10:46:31 -08:00
parent 31afa976f3
commit 51100cb20e
2 changed files with 30 additions and 4 deletions
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29
profile-widget/qmlprofile.cpp
View file

@ -12,9 +12,12 @@ QMLProfile::QMLProfile(QQuickItem *parent) :
QQuickPaintedItem(parent),
m_devicePixelRatio(1.0),
m_margin(0),
m_profileWidget(new ProfileWidget2)
m_profileWidget(new ProfileWidget2),
m_xOffset(0.0),
m_yOffset(0.0)
{
setAntialiasing(true);
setFlags(QQuickItem::ItemClipsChildrenToShape | QQuickItem::ItemHasContents );
m_profileWidget->setProfileState();
m_profileWidget->setPrintMode(true);
m_profileWidget->setFontPrintScale(0.8);
@ -58,7 +61,7 @@ void QMLProfile::paint(QPainter *painter)
QTransform profileTransform = QTransform();
profileTransform.scale(sx, sy);
QTransform painterTransform = painter->transform();
painterTransform.translate(-painterRect.width() * magicShiftFactor ,-painterRect.height() * magicShiftFactor);
painterTransform.translate(dpr * m_xOffset - painterRect.width() * magicShiftFactor, dpr * m_yOffset - painterRect.height() * magicShiftFactor);
#if defined(PROFILE_SCALING_DEBUG)
// some debugging messages to help adjust this in case the magic above is insufficient
@ -79,7 +82,7 @@ void QMLProfile::paint(QPainter *painter)
// finally, render the profile
m_profileWidget->render(painter);
if (verbose)
qDebug() << "finished rendering profile in" << timer.elapsed() << "ms";
qDebug() << "finished rendering profile with offset" << QString::number(m_xOffset, 'f', 1) << "/" << QString::number(m_yOffset, 'f', 1) << "in" << timer.elapsed() << "ms";
}
void QMLProfile::setMargin(int margin)
@ -98,7 +101,7 @@ void QMLProfile::updateProfile()
if (!d)
return;
if (verbose)
qDebug() << "update profile for dive #" << d->number;
qDebug() << "update profile for dive #" << d->number << "offeset" << QString::number(m_xOffset, 'f', 1) << "/" << QString::number(m_yOffset, 'f', 1);
m_profileWidget->plotDive(d, true);
}
@ -125,6 +128,24 @@ void QMLProfile::setDevicePixelRatio(qreal dpr)
}
}
// don't update the profile here, have the user update x and y and then manually trigger an update
void QMLProfile::setXOffset(qreal value)
{
if (IS_FP_SAME(value, m_xOffset))
return;
m_xOffset = value;
emit xOffsetChanged();
}
// don't update the profile here, have the user update x and y and then manually trigger an update
void QMLProfile::setYOffset(qreal value)
{
if (IS_FP_SAME(value, m_yOffset))
return;
m_yOffset = value;
emit yOffsetChanged();
}
void QMLProfile::screenChanged(QScreen *screen)
{
setDevicePixelRatio(screen->devicePixelRatio());

5
profile-widget/qmlprofile.h
View file

@ -10,6 +10,8 @@ class QMLProfile : public QQuickPaintedItem
Q_OBJECT
Q_PROPERTY(int diveId MEMBER m_diveId WRITE setDiveId)
Q_PROPERTY(qreal devicePixelRatio READ devicePixelRatio WRITE setDevicePixelRatio NOTIFY devicePixelRatioChanged)
Q_PROPERTY(qreal xOffset MEMBER m_xOffset WRITE setXOffset NOTIFY xOffsetChanged)
Q_PROPERTY(qreal yOffset MEMBER m_yOffset WRITE setYOffset NOTIFY yOffsetChanged)
public:
explicit QMLProfile(QQuickItem *parent = 0);
@ -30,12 +32,15 @@ private:
int m_diveId;
qreal m_devicePixelRatio;
int m_margin;
qreal m_xOffset, m_yOffset;
QScopedPointer<ProfileWidget2> m_profileWidget;
void updateProfile();
signals:
void rightAlignedChanged();
void devicePixelRatioChanged();
void xOffsetChanged();
void yOffsetChanged();
};
#endif // QMLPROFILE_H