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| author |  Tomaz Canabrava <tomaz.canabrava@intel.com> | 2014-05-26 18:01:38 -0300 |
|---|---|---|
| committer |  Dirk Hohndel <dirk@hohndel.org> | 2014-05-26 14:07:48 -0700 |
| commit | 4c9dd0e698f7d62f19b2097c03f99fe9d8f3ed6a (patch) | |
| tree | a30ed848435b1453a64d8c68dab6d32f2c77fac1 /qt-ui/profile/divecartesianaxis.cpp | |
| parent | addec6b69fe9022a79d83945b865a0b518f556e8 (diff) | |
| download | subsurface-4c9dd0e698f7d62f19b2097c03f99fe9d8f3ed6a.tar.gz | |
Speed up the grid: don't repaint when uneeded.
Added a flag to only recalculate the axis when needed.
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Diffstat (limited to 'qt-ui/profile/divecartesianaxis.cpp')
| -rw-r--r-- | qt-ui/profile/divecartesianaxis.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/qt-ui/profile/divecartesianaxis.cpp b/qt-ui/profile/divecartesianaxis.cpp index 353f9880c..25b8a55a7 100644 --- a/qt-ui/profile/divecartesianaxis.cpp +++ b/qt-ui/profile/divecartesianaxis.cpp @@ -34,6 +34,7 @@ double DiveCartesianAxis::tickSize() const void DiveCartesianAxis::setFontLabelScale(qreal scale) { labelScale = scale; + changed = true; } void DiveCartesianAxis::setMaximum(double maximum) @@ -41,6 +42,7 @@ void DiveCartesianAxis::setMaximum(double maximum) if (IS_FP_SAME(max, maximum)) return; max = maximum; + changed = true; emit maxChanged(); } @@ -49,6 +51,7 @@ void DiveCartesianAxis::setMinimum(double minimum) if (IS_FP_SAME(min, minimum)) return; min = minimum; + changed = true; } void DiveCartesianAxis::setTextColor(const QColor &color) @@ -67,7 +70,8 @@ DiveCartesianAxis::DiveCartesianAxis() : QObject(), textVisibility(true), lineVisibility(true), labelScale(1.0), - line_size(1) + line_size(1), + changed(true) { setPen(gridPen()); } @@ -79,11 +83,13 @@ DiveCartesianAxis::~DiveCartesianAxis() void DiveCartesianAxis::setLineSize(qreal lineSize) { line_size = lineSize; + changed = true; } void DiveCartesianAxis::setOrientation(Orientation o) { orientation = o; + changed = true; } QColor DiveCartesianAxis::colorForValue(double value) @@ -126,7 +132,7 @@ void emptyList(QList<T *> &list, double steps) void DiveCartesianAxis::updateTicks(color_indice_t color) { - if (!scene()) + if (!scene() || !changed) return; QLineF m = line(); // unused so far: @@ -241,6 +247,7 @@ void DiveCartesianAxis::updateTicks(color_indice_t color) item->setVisible(textVisibility); Q_FOREACH (DiveLineItem *item, lines) item->setVisible(lineVisibility); + changed = false; } void DiveCartesianAxis::animateChangeLine(const QLineF &newLine) |