f49d8ce461
Change-Id: I32f74fe67e8eb0b6b12ee60405c3d99932b75182 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167284 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
699 lines
21 KiB
C++
699 lines
21 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <o3tl/sprintf.hxx>
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#include <osl/thread.h>
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#include <rtl/math.hxx>
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#include <bitmaps.hlst>
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#include <cmath>
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#include "grid.hxx"
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#include <vcl/bitmapex.hxx>
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#include <vcl/customweld.hxx>
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#include <vcl/event.hxx>
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#include <vcl/settings.hxx>
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#include <vcl/svapp.hxx>
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#include <algorithm>
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#include <limits>
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#include <memory>
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class GridWindow : public weld::CustomWidgetController
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{
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// helper class for handles
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struct impHandle
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{
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Point maPos;
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sal_uInt16 mnOffX;
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sal_uInt16 mnOffY;
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impHandle(const Point& rPos, sal_uInt16 nX, sal_uInt16 nY)
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: maPos(rPos), mnOffX(nX), mnOffY(nY)
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{
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}
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bool operator<(const impHandle& rComp) const
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{
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return (maPos.X() < rComp.maPos.X());
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}
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void draw(vcl::RenderContext& rRenderContext, const BitmapEx& rBitmapEx)
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{
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const Point aOffset(rRenderContext.PixelToLogic(Point(mnOffX, mnOffY)));
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rRenderContext.DrawBitmapEx(maPos - aOffset, rBitmapEx);
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}
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bool isHit(OutputDevice const & rWin, const Point& rPos)
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{
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const Point aOffset(rWin.PixelToLogic(Point(mnOffX, mnOffY)));
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const tools::Rectangle aTarget(maPos - aOffset, maPos + aOffset);
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return aTarget.Contains(rPos);
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}
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};
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tools::Rectangle m_aGridArea;
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double m_fMinX;
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double m_fMinY;
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double m_fMaxX;
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double m_fMaxY;
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double m_fChunkX;
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double m_fMinChunkX;
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double m_fChunkY;
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double m_fMinChunkY;
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double* m_pXValues;
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double* m_pOrigYValues;
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int m_nValues;
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std::unique_ptr<double[]> m_pNewYValues;
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sal_uInt16 m_BmOffX;
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sal_uInt16 m_BmOffY;
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bool m_bCutValues;
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// stuff for handles
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using Handles = std::vector<impHandle>;
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static constexpr auto npos = std::numeric_limits<Handles::size_type>::max();
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Handles m_aHandles;
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Handles::size_type m_nDragIndex;
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BitmapEx m_aMarkerBitmap;
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Point transform( double x, double y );
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void transform( const Point& rOriginal, double& x, double& y );
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double findMinX();
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double findMinY();
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double findMaxX();
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double findMaxY();
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void drawGrid(vcl::RenderContext& rRenderContext);
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void drawOriginal(vcl::RenderContext& rRenderContext);
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void drawNew(vcl::RenderContext& rRenderContext);
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void drawHandles(vcl::RenderContext& rRenderContext);
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void computeExtremes();
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static void computeChunk( double fMin, double fMax, double& fChunkOut, double& fMinChunkOut );
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void computeNew();
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static double interpolate( double x, double const * pNodeX, double const * pNodeY, int nNodes );
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virtual bool MouseMove( const MouseEvent& ) override;
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virtual bool MouseButtonDown( const MouseEvent& ) override;
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virtual bool MouseButtonUp( const MouseEvent& ) override;
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void onResize();
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virtual void Resize() override;
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virtual void SetDrawingArea(weld::DrawingArea* pDrawingArea) override;
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void drawLine(vcl::RenderContext& rRenderContext, double x1, double y1, double x2, double y2);
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public:
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GridWindow();
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void Init(double* pXValues, double* pYValues, int nValues, bool bCutValues, const BitmapEx &rMarkerBitmap);
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virtual ~GridWindow() override;
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void setBoundings( double fMinX, double fMinY, double fMaxX, double fMaxY );
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double* getNewYValues() { return m_pNewYValues.get(); }
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void ChangeMode(ResetType nType);
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virtual void Paint( vcl::RenderContext& /*rRenderContext*/, const tools::Rectangle& rRect ) override;
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};
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GridWindow::GridWindow()
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: m_aGridArea(50, 15, 100, 100)
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, m_fMinX(0.0)
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, m_fMinY(0.0)
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, m_fMaxX(0.0)
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, m_fMaxY(0.0)
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, m_fChunkX(0.0)
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, m_fMinChunkX(0.0)
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, m_fChunkY(0.0)
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, m_fMinChunkY(0.0)
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, m_pXValues(nullptr)
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, m_pOrigYValues(nullptr)
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, m_nValues(0)
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, m_BmOffX(0)
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, m_BmOffY(0)
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, m_bCutValues(false)
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, m_nDragIndex(npos)
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{
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}
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void GridWindow::Init(double* pXValues, double* pYValues, int nValues, bool bCutValues, const BitmapEx &rMarkerBitmap)
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{
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m_aMarkerBitmap = rMarkerBitmap;
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m_pXValues = pXValues;
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m_pOrigYValues = pYValues;
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m_nValues = nValues;
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m_bCutValues = bCutValues;
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onResize();
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if (m_pOrigYValues && m_nValues)
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{
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m_pNewYValues.reset(new double[ m_nValues ]);
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memcpy( m_pNewYValues.get(), m_pOrigYValues, sizeof( double ) * m_nValues );
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}
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setBoundings( 0, 0, 1023, 1023 );
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computeExtremes();
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// create left and right marker as first and last entry
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m_BmOffX = sal_uInt16(m_aMarkerBitmap.GetSizePixel().Width() >> 1);
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m_BmOffY = sal_uInt16(m_aMarkerBitmap.GetSizePixel().Height() >> 1);
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m_aHandles.push_back(impHandle(transform(findMinX(), findMinY()), m_BmOffX, m_BmOffY));
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m_aHandles.push_back(impHandle(transform(findMaxX(), findMaxY()), m_BmOffX, m_BmOffY));
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}
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void GridWindow::Resize()
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{
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onResize();
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}
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void GridWindow::onResize()
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{
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Size aSize = GetOutputSizePixel();
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m_aGridArea.setWidth( aSize.Width() - 80 );
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m_aGridArea.setHeight( aSize.Height() - 40 );
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}
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void GridWindow::SetDrawingArea(weld::DrawingArea* pDrawingArea)
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{
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Size aSize(pDrawingArea->get_ref_device().LogicToPixel(Size(240, 200), MapMode(MapUnit::MapAppFont)));
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pDrawingArea->set_size_request(aSize.Width(), aSize.Height());
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CustomWidgetController::SetDrawingArea(pDrawingArea);
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SetOutputSizePixel(aSize);
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}
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GridDialog::GridDialog(weld::Window* pParent, double* pXValues, double* pYValues, int nValues)
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: GenericDialogController(pParent, u"modules/scanner/ui/griddialog.ui"_ustr, u"GridDialog"_ustr)
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, m_xResetTypeBox(m_xBuilder->weld_combo_box(u"resetTypeCombobox"_ustr))
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, m_xResetButton(m_xBuilder->weld_button(u"resetButton"_ustr))
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, m_xGridWindow(new GridWindow)
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, m_xGridWindowWND(new weld::CustomWeld(*m_xBuilder, u"gridwindow"_ustr, *m_xGridWindow))
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{
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m_xGridWindow->Init(pXValues, pYValues, nValues, true/*bCutValues*/, BitmapEx(RID_SCANNER_HANDLE));
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m_xResetTypeBox->set_active(0);
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m_xResetButton->connect_clicked( LINK( this, GridDialog, ClickButtonHdl ) );
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}
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GridDialog::~GridDialog()
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{
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}
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GridWindow::~GridWindow()
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{
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m_pNewYValues.reset();
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}
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double GridWindow::findMinX()
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{
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if( ! m_pXValues )
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return 0.0;
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double fMin = m_pXValues[0];
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for( int i = 1; i < m_nValues; i++ )
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if( m_pXValues[ i ] < fMin )
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fMin = m_pXValues[ i ];
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return fMin;
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}
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double GridWindow::findMinY()
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{
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if( ! m_pNewYValues )
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return 0.0;
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double fMin = m_pNewYValues[0];
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for( int i = 1; i < m_nValues; i++ )
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if( m_pNewYValues[ i ] < fMin )
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fMin = m_pNewYValues[ i ];
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return fMin;
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}
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double GridWindow::findMaxX()
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{
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if( ! m_pXValues )
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return 0.0;
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double fMax = m_pXValues[0];
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for( int i = 1; i < m_nValues; i++ )
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if( m_pXValues[ i ] > fMax )
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fMax = m_pXValues[ i ];
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return fMax;
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}
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double GridWindow::findMaxY()
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{
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if( ! m_pNewYValues )
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return 0.0;
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double fMax = m_pNewYValues[0];
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for( int i = 1; i < m_nValues; i++ )
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if( m_pNewYValues[ i ] > fMax )
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fMax = m_pNewYValues[ i ];
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return fMax;
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}
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void GridWindow::computeExtremes()
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{
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if( !(m_nValues && m_pXValues && m_pOrigYValues) )
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return;
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m_fMaxX = m_fMinX = m_pXValues[0];
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m_fMaxY = m_fMinY = m_pOrigYValues[0];
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for( int i = 1; i < m_nValues; i++ )
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{
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if( m_pXValues[ i ] > m_fMaxX )
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m_fMaxX = m_pXValues[ i ];
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else if( m_pXValues[ i ] < m_fMinX )
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m_fMinX = m_pXValues[ i ];
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if( m_pOrigYValues[ i ] > m_fMaxY )
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m_fMaxY = m_pOrigYValues[ i ];
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else if( m_pOrigYValues[ i ] < m_fMinY )
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m_fMinY = m_pOrigYValues[ i ];
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}
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setBoundings( m_fMinX, m_fMinY, m_fMaxX, m_fMaxY );
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}
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Point GridWindow::transform( double x, double y )
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{
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Point aRet;
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aRet.setX( static_cast<tools::Long>( ( x - m_fMinX ) *
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static_cast<double>(m_aGridArea.GetWidth()) / ( m_fMaxX - m_fMinX )
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+ m_aGridArea.Left() ) );
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aRet.setY( static_cast<tools::Long>(
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m_aGridArea.Bottom() -
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( y - m_fMinY ) *
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static_cast<double>(m_aGridArea.GetHeight()) / ( m_fMaxY - m_fMinY ) ) );
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return aRet;
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}
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void GridWindow::transform( const Point& rOriginal, double& x, double& y )
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{
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const tools::Long nWidth = m_aGridArea.GetWidth();
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const tools::Long nHeight = m_aGridArea.GetHeight();
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if (!nWidth || !nHeight)
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return;
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x = ( rOriginal.X() - m_aGridArea.Left() ) * (m_fMaxX - m_fMinX) / static_cast<double>(nWidth) + m_fMinX;
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y = ( m_aGridArea.Bottom() - rOriginal.Y() ) * (m_fMaxY - m_fMinY) / static_cast<double>(nHeight) + m_fMinY;
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}
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void GridWindow::drawLine(vcl::RenderContext& rRenderContext, double x1, double y1, double x2, double y2 )
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{
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rRenderContext.DrawLine(transform(x1, y1), transform(x2, y2));
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}
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void GridWindow::computeChunk( double fMin, double fMax, double& fChunkOut, double& fMinChunkOut )
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{
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// get a nice chunk size like 10, 100, 25 or such
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fChunkOut = ( fMax - fMin ) / 6.0;
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int logchunk = static_cast<int>(std::log10( fChunkOut ));
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int nChunk = static_cast<int>( fChunkOut / std::exp( static_cast<double>(logchunk-1) * M_LN10 ) );
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if( nChunk >= 75 )
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nChunk = 100;
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else if( nChunk >= 35 )
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nChunk = 50;
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else if ( nChunk > 20 )
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nChunk = 25;
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else if ( nChunk >= 13 )
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nChunk = 20;
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else if( nChunk > 5 )
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nChunk = 10;
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else
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nChunk = 5;
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fChunkOut = static_cast<double>(nChunk) * exp( static_cast<double>(logchunk-1) * M_LN10 );
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// compute whole chunks fitting into fMin
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nChunk = static_cast<int>( fMin / fChunkOut );
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fMinChunkOut = static_cast<double>(nChunk) * fChunkOut;
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while( fMinChunkOut < fMin )
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fMinChunkOut += fChunkOut;
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}
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void GridWindow::computeNew()
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{
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if(2 == m_aHandles.size())
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{
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// special case: only left and right markers
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double xleft, yleft;
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double xright, yright;
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transform(m_aHandles[0].maPos, xleft, yleft);
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transform(m_aHandles[1].maPos, xright, yright );
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double factor = (yright-yleft)/(xright-xleft);
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for( int i = 0; i < m_nValues; i++ )
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{
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m_pNewYValues[ i ] = yleft + ( m_pXValues[ i ] - xleft )*factor;
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}
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}
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else
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{
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// sort markers
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std::sort(m_aHandles.begin(), m_aHandles.end());
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const int nSorted = m_aHandles.size();
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int i;
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// get node arrays
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std::unique_ptr<double[]> nodex(new double[ nSorted ]);
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std::unique_ptr<double[]> nodey(new double[ nSorted ]);
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for( i = 0; i < nSorted; i++ )
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transform( m_aHandles[i].maPos, nodex[ i ], nodey[ i ] );
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for( i = 0; i < m_nValues; i++ )
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{
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double x = m_pXValues[ i ];
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m_pNewYValues[ i ] = interpolate( x, nodex.get(), nodey.get(), nSorted );
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if( m_bCutValues )
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{
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if( m_pNewYValues[ i ] > m_fMaxY )
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m_pNewYValues[ i ] = m_fMaxY;
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else if( m_pNewYValues[ i ] < m_fMinY )
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m_pNewYValues[ i ] = m_fMinY;
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}
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}
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}
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}
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double GridWindow::interpolate(
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double x,
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double const * pNodeX,
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double const * pNodeY,
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int nNodes )
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{
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// compute Lagrange interpolation
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double ret = 0;
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for( int i = 0; i < nNodes; i++ )
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{
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double sum = pNodeY[ i ];
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for( int n = 0; n < nNodes; n++ )
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{
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if( n != i )
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{
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sum *= x - pNodeX[ n ];
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sum /= pNodeX[ i ] - pNodeX[ n ];
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}
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}
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ret += sum;
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}
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return ret;
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}
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void GridDialog::setBoundings(double fMinX, double fMinY, double fMaxX, double fMaxY)
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{
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m_xGridWindow->setBoundings(fMinX, fMinY, fMaxX, fMaxY);
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}
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void GridWindow::setBoundings(double fMinX, double fMinY, double fMaxX, double fMaxY)
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{
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m_fMinX = fMinX;
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m_fMinY = fMinY;
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m_fMaxX = fMaxX;
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m_fMaxY = fMaxY;
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computeChunk( m_fMinX, m_fMaxX, m_fChunkX, m_fMinChunkX );
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computeChunk( m_fMinY, m_fMaxY, m_fChunkY, m_fMinChunkY );
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}
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void GridWindow::drawGrid(vcl::RenderContext& rRenderContext)
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{
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char pBuf[256];
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rRenderContext.SetLineColor(COL_BLACK);
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// draw vertical lines
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for (double fX = m_fMinChunkX; fX < m_fMaxX; fX += m_fChunkX)
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{
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drawLine(rRenderContext, fX, m_fMinY, fX, m_fMaxY);
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// draw tickmarks
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Point aPt = transform(fX, m_fMinY);
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o3tl::sprintf(pBuf, "%g", fX);
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OUString aMark(pBuf, strlen(pBuf), osl_getThreadTextEncoding());
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Size aTextSize(rRenderContext.GetTextWidth(aMark), rRenderContext.GetTextHeight());
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aPt.AdjustX( -(aTextSize.Width() / 2) );
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aPt.AdjustY(aTextSize.Height() / 2 );
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rRenderContext.DrawText(aPt, aMark);
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}
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// draw horizontal lines
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for (double fY = m_fMinChunkY; fY < m_fMaxY; fY += m_fChunkY)
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{
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drawLine(rRenderContext, m_fMinX, fY, m_fMaxX, fY);
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// draw tickmarks
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Point aPt = transform(m_fMinX, fY);
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o3tl::sprintf(pBuf, "%g", fY);
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OUString aMark(pBuf, strlen(pBuf), osl_getThreadTextEncoding());
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Size aTextSize(rRenderContext.GetTextWidth(aMark), rRenderContext.GetTextHeight());
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aPt.AdjustX( -(aTextSize.Width() + 2) );
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aPt.AdjustY( -(aTextSize.Height() / 2) );
|
|
rRenderContext.DrawText(aPt, aMark);
|
|
}
|
|
|
|
// draw boundings
|
|
drawLine(rRenderContext, m_fMinX, m_fMinY, m_fMaxX, m_fMinY);
|
|
drawLine(rRenderContext, m_fMinX, m_fMaxY, m_fMaxX, m_fMaxY);
|
|
drawLine(rRenderContext, m_fMinX, m_fMinY, m_fMinX, m_fMaxY);
|
|
drawLine(rRenderContext, m_fMaxX, m_fMinY, m_fMaxX, m_fMaxY);
|
|
}
|
|
|
|
void GridWindow::drawOriginal(vcl::RenderContext& rRenderContext)
|
|
{
|
|
if (m_nValues && m_pXValues && m_pOrigYValues)
|
|
{
|
|
rRenderContext.SetLineColor(COL_RED);
|
|
for (int i = 0; i < m_nValues - 1; i++)
|
|
{
|
|
drawLine(rRenderContext,
|
|
m_pXValues[i], m_pOrigYValues[i],
|
|
m_pXValues[i + 1], m_pOrigYValues[i + 1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
void GridWindow::drawNew(vcl::RenderContext& rRenderContext)
|
|
{
|
|
if (m_nValues && m_pXValues && m_pNewYValues)
|
|
{
|
|
rRenderContext.SetClipRegion(vcl::Region(m_aGridArea));
|
|
rRenderContext.SetLineColor(COL_YELLOW);
|
|
for (int i = 0; i < m_nValues - 1; i++)
|
|
{
|
|
drawLine(rRenderContext,
|
|
m_pXValues[i], m_pNewYValues[i],
|
|
m_pXValues[i + 1], m_pNewYValues[i + 1]);
|
|
}
|
|
rRenderContext.SetClipRegion();
|
|
}
|
|
}
|
|
|
|
void GridWindow::drawHandles(vcl::RenderContext& rRenderContext)
|
|
{
|
|
for(impHandle & rHandle : m_aHandles)
|
|
{
|
|
rHandle.draw(rRenderContext, m_aMarkerBitmap);
|
|
}
|
|
}
|
|
|
|
void GridWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
|
|
{
|
|
rRenderContext.SetBackground(Wallpaper(Application::GetSettings().GetStyleSettings().GetDialogColor()));
|
|
drawGrid(rRenderContext);
|
|
drawOriginal(rRenderContext);
|
|
drawNew(rRenderContext);
|
|
drawHandles(rRenderContext);
|
|
}
|
|
|
|
bool GridWindow::MouseMove( const MouseEvent& rEvt )
|
|
{
|
|
if( rEvt.GetButtons() != MOUSE_LEFT || m_nDragIndex == npos )
|
|
return false;
|
|
|
|
Point aPoint( rEvt.GetPosPixel() );
|
|
|
|
if( m_nDragIndex == 0 || m_nDragIndex == m_aHandles.size() - 1)
|
|
{
|
|
aPoint.setX( m_aHandles[m_nDragIndex].maPos.X() );
|
|
}
|
|
else
|
|
{
|
|
if(aPoint.X() < m_aGridArea.Left())
|
|
aPoint.setX( m_aGridArea.Left() );
|
|
else if(aPoint.X() > m_aGridArea.Right())
|
|
aPoint.setX( m_aGridArea.Right() );
|
|
}
|
|
|
|
if( aPoint.Y() < m_aGridArea.Top() )
|
|
aPoint.setY( m_aGridArea.Top() );
|
|
else if( aPoint.Y() > m_aGridArea.Bottom() )
|
|
aPoint.setY( m_aGridArea.Bottom() );
|
|
|
|
if( aPoint != m_aHandles[m_nDragIndex].maPos )
|
|
{
|
|
m_aHandles[m_nDragIndex].maPos = aPoint;
|
|
Invalidate( m_aGridArea );
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool GridWindow::MouseButtonUp( const MouseEvent& rEvt )
|
|
{
|
|
if( rEvt.GetButtons() == MOUSE_LEFT )
|
|
{
|
|
if( m_nDragIndex != npos )
|
|
{
|
|
m_nDragIndex = npos;
|
|
computeNew();
|
|
Invalidate(m_aGridArea);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool GridWindow::MouseButtonDown( const MouseEvent& rEvt )
|
|
{
|
|
Point aPoint( rEvt.GetPosPixel() );
|
|
Handles::size_type nMarkerIndex = npos;
|
|
|
|
for(Handles::size_type a(0); nMarkerIndex == npos && a < m_aHandles.size(); a++)
|
|
{
|
|
if(m_aHandles[a].isHit(GetDrawingArea()->get_ref_device(), aPoint))
|
|
{
|
|
nMarkerIndex = a;
|
|
}
|
|
}
|
|
|
|
if( rEvt.GetButtons() == MOUSE_LEFT )
|
|
{
|
|
// user wants to drag a button
|
|
if( nMarkerIndex != npos )
|
|
{
|
|
m_nDragIndex = nMarkerIndex;
|
|
}
|
|
}
|
|
else if( rEvt.GetButtons() == MOUSE_RIGHT )
|
|
{
|
|
// user wants to add/delete a button
|
|
if( nMarkerIndex != npos )
|
|
{
|
|
if( nMarkerIndex != 0 && nMarkerIndex != m_aHandles.size() - 1)
|
|
{
|
|
// delete marker under mouse
|
|
if( m_nDragIndex == nMarkerIndex )
|
|
m_nDragIndex = npos;
|
|
|
|
m_aHandles.erase(m_aHandles.begin() + nMarkerIndex);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_BmOffX = sal_uInt16(m_aMarkerBitmap.GetSizePixel().Width() >> 1);
|
|
m_BmOffY = sal_uInt16(m_aMarkerBitmap.GetSizePixel().Height() >> 1);
|
|
m_aHandles.push_back(impHandle(aPoint, m_BmOffX, m_BmOffY));
|
|
}
|
|
|
|
computeNew();
|
|
Invalidate(m_aGridArea);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void GridWindow::ChangeMode(ResetType nType)
|
|
{
|
|
switch( nType )
|
|
{
|
|
case ResetType::LINEAR_ASCENDING:
|
|
{
|
|
for( int i = 0; i < m_nValues; i++ )
|
|
{
|
|
m_pNewYValues[ i ] = m_fMinY + (m_fMaxY-m_fMinY)/(m_fMaxX-m_fMinX)*(m_pXValues[i]-m_fMinX);
|
|
}
|
|
}
|
|
break;
|
|
case ResetType::LINEAR_DESCENDING:
|
|
{
|
|
for( int i = 0; i < m_nValues; i++ )
|
|
{
|
|
m_pNewYValues[ i ] = m_fMaxY - (m_fMaxY-m_fMinY)/(m_fMaxX-m_fMinX)*(m_pXValues[i]-m_fMinX);
|
|
}
|
|
}
|
|
break;
|
|
case ResetType::RESET:
|
|
{
|
|
if( m_pOrigYValues && m_pNewYValues && m_nValues )
|
|
memcpy( m_pNewYValues.get(), m_pOrigYValues, m_nValues*sizeof(double) );
|
|
}
|
|
break;
|
|
case ResetType::EXPONENTIAL:
|
|
{
|
|
for( int i = 0; i < m_nValues; i++ )
|
|
{
|
|
m_pNewYValues[ i ] = m_fMinY + (m_fMaxY-m_fMinY)*(std::expm1((m_pXValues[i]-m_fMinX)/(m_fMaxX-m_fMinX)))/(M_E-1.0);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (m_pNewYValues)
|
|
{
|
|
for(size_t i(0); i < m_aHandles.size(); i++)
|
|
{
|
|
// find nearest xvalue
|
|
double x, y;
|
|
transform( m_aHandles[i].maPos, x, y );
|
|
int nIndex = 0;
|
|
double delta = std::fabs( x-m_pXValues[0] );
|
|
for( int n = 1; n < m_nValues; n++ )
|
|
{
|
|
if( delta > std::fabs( x - m_pXValues[ n ] ) )
|
|
{
|
|
delta = std::fabs( x - m_pXValues[ n ] );
|
|
nIndex = n;
|
|
}
|
|
}
|
|
if( 0 == i )
|
|
m_aHandles[i].maPos = transform( m_fMinX, m_pNewYValues[ nIndex ] );
|
|
else if( m_aHandles.size() - 1 == i )
|
|
m_aHandles[i].maPos = transform( m_fMaxX, m_pNewYValues[ nIndex ] );
|
|
else
|
|
m_aHandles[i].maPos = transform( m_pXValues[ nIndex ], m_pNewYValues[ nIndex ] );
|
|
}
|
|
}
|
|
|
|
Invalidate();
|
|
}
|
|
|
|
IMPL_LINK_NOARG(GridDialog, ClickButtonHdl, weld::Button&, void)
|
|
{
|
|
int nType = m_xResetTypeBox->get_active();
|
|
m_xGridWindow->ChangeMode(static_cast<ResetType>(nType));
|
|
}
|
|
|
|
double* GridDialog::getNewYValues()
|
|
{
|
|
return m_xGridWindow->getNewYValues();
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|