diff options
Diffstat (limited to 'mobile-widgets/qmlprofile.cpp')
| -rw-r--r-- | mobile-widgets/qmlprofile.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/mobile-widgets/qmlprofile.cpp b/mobile-widgets/qmlprofile.cpp new file mode 100644 index 000000000..b023741ef --- /dev/null +++ b/mobile-widgets/qmlprofile.cpp @@ -0,0 +1,111 @@ +#include "qmlprofile.h" +#include "qmlmanager.h" +#include "profile-widget/profilewidget2.h" +#include "core/dive.h" +#include "core/metrics.h" +#include <QTransform> +#include <QScreen> + +QMLProfile::QMLProfile(QQuickItem *parent) : + QQuickPaintedItem(parent), + m_devicePixelRatio(1.0), + m_margin(0) +{ + setAntialiasing(true); + m_profileWidget = new ProfileWidget2(0); + m_profileWidget->setProfileState(); + m_profileWidget->setPrintMode(true); + m_profileWidget->setFontPrintScale(0.8); + connect(QMLManager::instance(), &QMLManager::sendScreenChanged, this, &QMLProfile::screenChanged); + setDevicePixelRatio(QMLManager::instance()->lastDevicePixelRatio()); +} + +QMLProfile::~QMLProfile() +{ + m_profileWidget->deleteLater(); +} + +void QMLProfile::paint(QPainter *painter) +{ + // let's look at the intended size of the content and scale our scene accordingly + QRect painterRect = painter->viewport(); + QRect profileRect = m_profileWidget->viewport()->rect(); + // qDebug() << "profile viewport and painter viewport" << profileRect << painterRect; + qreal sceneSize = 104; // that should give us 2% margin all around (100x100 scene) + qreal dprComp = devicePixelRatio() * painterRect.width() / profileRect.width(); + qreal sx = painterRect.width() / sceneSize / dprComp; + qreal sy = painterRect.height() / sceneSize / dprComp; + + // next figure out the weird magic by which we need to shift the painter so the profile is shown + int dpr = rint(devicePixelRatio()); + qreal magicShiftFactor = (dpr == 2 ? 0.25 : (dpr == 3 ? 0.33 : 0.0)); + + // now set up the transformations scale the profile and + // shift the painter (taking its existing transformation into account) + QTransform profileTransform = QTransform(); + profileTransform.scale(sx, sy); + QTransform painterTransform = painter->transform(); + painterTransform.translate(-painterRect.width() * magicShiftFactor ,-painterRect.height() * magicShiftFactor); + +#if PROFILE_SCALING_DEBUG + // some debugging messages to help adjust this in case the magic above is insufficient + QMLManager::instance()->appendTextToLog(QString("dpr %1 profile viewport %2 %3 painter viewport %4 %5").arg(dpr).arg(profileRect.width()).arg(profileRect.height()) + .arg(painterRect.width()).arg(painterRect.height())); + QMLManager::instance()->appendTextToLog(QString("profile matrix %1 %2 %3 %4 %5 %6 %7 %8 %9").arg(profileTransform.m11()).arg(profileTransform.m12()).arg(profileTransform.m13()) + .arg(profileTransform.m21()).arg(profileTransform.m22()).arg(profileTransform.m23()) + .arg(profileTransform.m31()).arg(profileTransform.m32()).arg(profileTransform.m33())); + QMLManager::instance()->appendTextToLog(QString("painter matrix %1 %2 %3 %4 %5 %6 %7 %8 %9").arg(painterTransform.m11()).arg(painterTransform.m12()).arg(painterTransform.m13()) + .arg(painterTransform.m21()).arg(painterTransform.m22()).arg(painterTransform.m23()) + .arg(painterTransform.m31()).arg(painterTransform.m32()).arg(painterTransform.m33())); + qDebug() << "profile scaled by" << profileTransform.m11() << profileTransform.m22() << "and translated by" << profileTransform.m31() << profileTransform.m32(); + qDebug() << "exist profile transform" << m_profileWidget->transform() << "painter transform" << painter->transform(); +#endif + // apply the transformation + painter->setTransform(painterTransform); + m_profileWidget->setTransform(profileTransform); + + // finally, render the profile + 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, true); +} + +qreal QMLProfile::devicePixelRatio() const +{ + return m_devicePixelRatio; +} + +void QMLProfile::setDevicePixelRatio(qreal dpr) +{ + if (dpr != m_devicePixelRatio) { + m_devicePixelRatio = dpr; + m_profileWidget->setFontPrintScale(0.8 * dpr); + updateDevicePixelRatio(dpr); + emit devicePixelRatioChanged(); + } +} + +void QMLProfile::screenChanged(QScreen *screen) +{ + setDevicePixelRatio(screen->devicePixelRatio()); +} |