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Add class used to zoom all axis in a plot based on a screen rectangle.
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110 changes: 110 additions & 0 deletions
110
ApplicationLibCode/UserInterface/RiuQwtPlotZoomerMultiAxes.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| ///////////////////////////////////////////////////////////////////////////////// | ||
| // | ||
| // Copyright (C) 2023- Equinor ASA | ||
| // | ||
| // ResInsight is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY | ||
| // WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| // FITNESS FOR A PARTICULAR PURPOSE. | ||
| // | ||
| // See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> | ||
| // for more details. | ||
| // | ||
| ///////////////////////////////////////////////////////////////////////////////// | ||
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| #include "RiuQwtPlotZoomerMultiAxes.h" | ||
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| #include "qwt_picker_machine.h" | ||
| #include "qwt_plot.h" | ||
| #include "qwt_scale_div.h" | ||
| #include "qwt_scale_map.h" | ||
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| //-------------------------------------------------------------------------------------------------- | ||
| /// Create a zoomer for a plot canvas. All axes will be scaled based on the rectangle in screen coordinates. | ||
| //-------------------------------------------------------------------------------------------------- | ||
| RiuQwtPlotZoomerMultiAxes::RiuQwtPlotZoomerMultiAxes( QWidget* canvas, bool doReplot ) | ||
| : QwtPlotPicker( canvas ) | ||
| { | ||
| if ( canvas ) | ||
| { | ||
| setTrackerMode( ActiveOnly ); | ||
| setRubberBand( RectRubberBand ); | ||
| setStateMachine( new QwtPickerDragRectMachine() ); | ||
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| if ( doReplot && plot() ) plot()->replot(); | ||
| } | ||
| } | ||
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| //-------------------------------------------------------------------------------------------------- | ||
| /// | ||
| //-------------------------------------------------------------------------------------------------- | ||
| bool RiuQwtPlotZoomerMultiAxes::end( bool ok ) | ||
| { | ||
| ok = QwtPlotPicker::end( ok ); | ||
| if ( !ok ) return false; | ||
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| QwtPlot* plot = RiuQwtPlotZoomerMultiAxes::plot(); | ||
| if ( !plot ) return false; | ||
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| const QPolygon& pa = selection(); | ||
| if ( pa.count() < 2 ) return false; | ||
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| QRect rect = QRect( pa.first(), pa.last() ); | ||
| rect = rect.normalized(); | ||
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| zoomFromScreenCoords( rect ); | ||
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| return true; | ||
| } | ||
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| //-------------------------------------------------------------------------------------------------- | ||
| /// | ||
| //-------------------------------------------------------------------------------------------------- | ||
| void RiuQwtPlotZoomerMultiAxes::zoomFromScreenCoords( const QRectF& screenCoords ) | ||
| { | ||
| QwtPlot* plot = RiuQwtPlotZoomerMultiAxes::plot(); | ||
| if ( !plot ) return; | ||
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| const bool doReplot = plot->autoReplot(); | ||
| plot->setAutoReplot( false ); | ||
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| for ( int axisPos = 0; axisPos < QwtAxis::AxisPositions; axisPos++ ) | ||
| { | ||
| const int axesCount = plot->axesCount( axisPos ); | ||
| for ( int i = 0; i < axesCount; i++ ) | ||
| { | ||
| const QwtAxisId axisId( axisPos, i ); | ||
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| // Get the scale map for the axis used to convert between screen and domain coordinates | ||
| const QwtScaleMap map = plot->canvasMap( axisId ); | ||
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| if ( axisId.isXAxis() ) | ||
| { | ||
| const double screenX1 = screenCoords.left(); | ||
| const double screenX2 = screenCoords.right(); | ||
| const double domainX1 = map.invTransform( screenX1 ); | ||
| const double domainX2 = map.invTransform( screenX2 ); | ||
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| plot->setAxisScale( axisId, domainX1, domainX2 ); | ||
| } | ||
| else | ||
| { | ||
| const double screenY1 = screenCoords.bottom(); | ||
| const double screenY2 = screenCoords.top(); | ||
| const double domainY1 = map.invTransform( screenY1 ); | ||
| const double domainY2 = map.invTransform( screenY2 ); | ||
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| plot->setAxisScale( axisId, domainY1, domainY2 ); | ||
| } | ||
| } | ||
| } | ||
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| plot->setAutoReplot( doReplot ); | ||
| plot->replot(); | ||
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| emit zoomed(); | ||
| } |
40 changes: 40 additions & 0 deletions
40
ApplicationLibCode/UserInterface/RiuQwtPlotZoomerMultiAxes.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| ///////////////////////////////////////////////////////////////////////////////// | ||
| // | ||
| // Copyright (C) 2023- Equinor ASA | ||
| // | ||
| // ResInsight is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY | ||
| // WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| // FITNESS FOR A PARTICULAR PURPOSE. | ||
| // | ||
| // See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> | ||
| // for more details. | ||
| // | ||
| ///////////////////////////////////////////////////////////////////////////////// | ||
|
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| #pragma once | ||
|
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| #include "qwt_plot_picker.h" | ||
|
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| //-------------------------------------------------------------------------------------------------- | ||
| /// | ||
| //-------------------------------------------------------------------------------------------------- | ||
| class RiuQwtPlotZoomerMultiAxes : public QwtPlotPicker | ||
| { | ||
| Q_OBJECT | ||
| public: | ||
| explicit RiuQwtPlotZoomerMultiAxes( QWidget*, bool doReplot = true ); | ||
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| Q_SIGNALS: | ||
| void zoomed(); | ||
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| protected: | ||
| bool end( bool ok = true ) override; | ||
|
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| private: | ||
| void zoomFromScreenCoords( const QRectF& screenCoords ); | ||
| }; |
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