svx/source/dialog/contwnd.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "contwnd.hxx"
  21 #include <svx/svdpage.hxx>
  22 #include <svx/svdopath.hxx>
  23 #include <svx/xfillit0.hxx>
  24 #include <svx/xfltrit.hxx>
  25 #include <svx/xflclit.hxx>
  26 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  27 #include <svx/sdrpaintwindow.hxx>
  28 #include <vcl/ptrstyle.hxx>
  29
  30 using namespace css;
  31
  32 #define TRANSCOL COL_WHITE
  33
  34 ContourWindow::ContourWindow(weld::Dialog* pDialog)
  35     : GraphCtrl(pDialog)
  36     , aWorkRect(0, 0, 0, 0)
  37     , bPipetteMode(false)
  38     , bWorkplaceMode(false)
  39     , bClickValid(false)
  40 {
  41 }
  42
  43 void ContourWindow::SetPolyPolygon(const tools::PolyPolygon& rPolyPoly)
  44 {
  45     SdrPage* pPage = pModel->GetPage(0);
  46     const sal_uInt16 nPolyCount = rPolyPoly.Count();
  47
  48     // First delete all drawing objects
  49     aPolyPoly = rPolyPoly;
  50
  51     // To avoid to have destroyed objects which are still selected, it is necessary to deselect
  52     // them first (!)
  53     pView->UnmarkAllObj();
  54
  55     // clear SdrObjects with broadcasting
  56     pPage->ClearSdrObjList();
  57
  58     for (sal_uInt16 i = 0; i < nPolyCount; i++)
  59     {
  60         basegfx::B2DPolyPolygon aPolyPolygon;
  61         aPolyPolygon.append(aPolyPoly[ i ].getB2DPolygon());
  62         rtl::Reference<SdrPathObj> pPathObj = new SdrPathObj(
  63             *pModel,
  64             SdrObjKind::PathFill,
  65             std::move(aPolyPolygon));
  66
  67         SfxItemSet aSet(pModel->GetItemPool());
  68
  69         aSet.Put(XFillStyleItem(drawing::FillStyle_SOLID));
  70         aSet.Put(XFillColorItem(u""_ustr, TRANSCOL));
  71         aSet.Put(XFillTransparenceItem(50) );
  72
  73         pPathObj->SetMergedItemSetAndBroadcast(aSet);
  74
  75         pPage->InsertObject( pPathObj.get() );
  76     }
  77
  78     if (nPolyCount)
  79     {
  80         pView->MarkAll();
  81         pView->CombineMarkedObjects(false);
  82     }
  83
  84     pModel->SetChanged(false);
  85 }
  86
  87 const tools::PolyPolygon& ContourWindow::GetPolyPolygon()
  88 {
  89     if ( pModel->IsChanged() )
  90     {
  91         SdrPage* pPage = pModel->GetPage( 0 );
  92
  93         aPolyPoly = tools::PolyPolygon();
  94
  95         if ( pPage && pPage->GetObjCount() )
  96         {
  97             SdrPathObj* pPathObj = static_cast<SdrPathObj*>(pPage->GetObj(0));
  98             // Not sure if subdivision is needed for ContourWindow, but maybe it cannot handle
  99             // curves at all. Keeping subdivision here for security
 100             const basegfx::B2DPolyPolygon aB2DPolyPolygon(basegfx::utils::adaptiveSubdivideByAngle(pPathObj->GetPathPoly()));
 101             aPolyPoly = tools::PolyPolygon(aB2DPolyPolygon);
 102         }
 103
 104         pModel->SetChanged( false );
 105     }
 106
 107     return aPolyPoly;
 108 }
 109
 110 void ContourWindow::InitSdrModel()
 111 {
 112     GraphCtrl::InitSdrModel();
 113
 114     SfxItemSet aSet( pModel->GetItemPool() );
 115
 116     aSet.Put( XFillColorItem( u""_ustr, TRANSCOL ) );
 117     aSet.Put( XFillTransparenceItem( 50 ) );
 118     pView->SetAttributes( aSet );
 119     pView->SetFrameDragSingles();
 120 }
 121
 122 void ContourWindow::SdrObjCreated( const SdrObject&  )
 123 {
 124     pView->MarkAll();
 125     pView->CombineMarkedObjects( false );
 126 }
 127
 128 bool ContourWindow::IsContourChanged() const
 129 {
 130     SdrPage*    pPage = pModel->GetPage( 0 );
 131     bool        bRet = false;
 132
 133     if ( pPage && pPage->GetObjCount() )
 134         bRet = static_cast<SdrPathObj*>( pPage->GetObj( 0 ) )->GetPathPoly().count() && pModel->IsChanged();
 135
 136     return bRet;
 137 }
 138
 139 bool ContourWindow::MouseButtonDown( const MouseEvent& rMEvt )
 140 {
 141     if ( bWorkplaceMode )
 142     {
 143         const Point aLogPt(GetDrawingArea()->get_ref_device().PixelToLogic(rMEvt.GetPosPixel()));
 144
 145         SetPolyPolygon( tools::PolyPolygon() );
 146         aWorkRect = tools::Rectangle( aLogPt, aLogPt );
 147         Invalidate(tools::Rectangle(Point(), GetGraphicSize()));
 148         SetEditMode( true );
 149     }
 150
 151     if (!bPipetteMode)
 152         return GraphCtrl::MouseButtonDown( rMEvt );
 153
 154     return true;
 155 }
 156
 157 bool ContourWindow::MouseMove( const MouseEvent& rMEvt )
 158 {
 159     bClickValid = false;
 160
 161     if ( bPipetteMode )
 162     {
 163         const Point aLogPt( GetDrawingArea()->get_ref_device().PixelToLogic( rMEvt.GetPosPixel() ) );
 164
 165         aPipetteColor = GetDrawingArea()->get_ref_device().GetPixel( aLogPt );
 166         weld::CustomWidgetController::MouseMove( rMEvt );
 167
 168         if ( aPipetteLink.IsSet() && tools::Rectangle( Point(), GetGraphicSize() ).Contains( aLogPt ) )
 169         {
 170             SetPointer( PointerStyle::RefHand );
 171             aPipetteLink.Call( *this );
 172         }
 173
 174         return true;
 175     }
 176
 177     return GraphCtrl::MouseMove( rMEvt );
 178 }
 179
 180 bool ContourWindow::MouseButtonUp(const MouseEvent& rMEvt)
 181 {
 182     const tools::Rectangle aGraphRect( Point(), GetGraphicSize() );
 183     const Point     aLogPt( GetDrawingArea()->get_ref_device().PixelToLogic( rMEvt.GetPosPixel() ) );
 184
 185     bClickValid = aGraphRect.Contains( aLogPt );
 186     ReleaseMouse();
 187
 188     if ( bPipetteMode )
 189     {
 190         weld::CustomWidgetController::MouseButtonUp( rMEvt );
 191
 192         aPipetteClickLink.Call( *this );
 193
 194         return true;
 195     }
 196     else if ( bWorkplaceMode )
 197     {
 198         GraphCtrl::MouseButtonUp( rMEvt );
 199
 200         aWorkRect.SetRight( aLogPt.X() );
 201         aWorkRect.SetBottom( aLogPt.Y() );
 202         aWorkRect.Intersection( aGraphRect );
 203         aWorkRect.Normalize();
 204
 205         if ( aWorkRect.Left() != aWorkRect.Right() && aWorkRect.Top() != aWorkRect.Bottom() )
 206         {
 207             tools::PolyPolygon _aPolyPoly( GetPolyPolygon() );
 208
 209             _aPolyPoly.Clip( aWorkRect );
 210             SetPolyPolygon( _aPolyPoly );
 211             pView->SetWorkArea( aWorkRect );
 212         }
 213         else
 214             pView->SetWorkArea( aGraphRect );
 215
 216         Invalidate( aGraphRect );
 217
 218         aWorkplaceClickLink.Call( *this );
 219
 220         return false;
 221     }
 222
 223     return GraphCtrl::MouseButtonUp( rMEvt );
 224 }
 225
 226 void ContourWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
 227 {
 228     // #i75482#
 229     // encapsulate the redraw using Begin/End and use the returned
 230     // data to get the target output device (e.g. when pre-rendering)
 231     SdrPaintWindow* pPaintWindow = pView->BeginCompleteRedraw(&rRenderContext);
 232     pPaintWindow->SetOutputToWindow(true);
 233     OutputDevice& rTarget = pPaintWindow->GetTargetOutputDevice();
 234
 235     const Graphic& rGraphic = GetGraphic();
 236     rTarget.Push(vcl::PushFlags::LINECOLOR |vcl::PushFlags::FILLCOLOR);
 237     rTarget.SetLineColor(COL_BLACK);
 238     rTarget.SetFillColor(COL_WHITE);
 239     rTarget.DrawRect( tools::Rectangle( Point(), GetGraphicSize() ) );
 240     rTarget.Pop();
 241
 242     if (rGraphic.GetType() != GraphicType::NONE)
 243         rGraphic.Draw(rTarget, Point(), GetGraphicSize());
 244
 245     if (aWorkRect.Left() != aWorkRect.Right() && aWorkRect.Top() != aWorkRect.Bottom())
 246     {
 247         tools::PolyPolygon _aPolyPoly(2);
 248         rTarget.Push(vcl::PushFlags::FILLCOLOR);
 249         _aPolyPoly.Insert(tools::Polygon(tools::Rectangle(Point(), GetGraphicSize())));
 250         _aPolyPoly.Insert(tools::Polygon(aWorkRect));
 251         rTarget.SetFillColor(COL_LIGHTRED);
 252         rTarget.DrawTransparent(_aPolyPoly, 50);
 253         rTarget.Pop();
 254     }
 255
 256     // #i75482#
 257     const vcl::Region aRepaintRegion(rRect);
 258     pView->DoCompleteRedraw(*pPaintWindow, aRepaintRegion);
 259     pView->EndCompleteRedraw(*pPaintWindow, true);
 260 }
 261
 262 void ContourWindow::SetDrawingArea(weld::DrawingArea* pDrawingArea)
 263 {
 264     GraphCtrl::SetDrawingArea(pDrawingArea);
 265     Size aSize(pDrawingArea->get_ref_device().LogicToPixel(Size(270, 170), MapMode(MapUnit::MapAppFont)));
 266     pDrawingArea->set_size_request(aSize.Width(), aSize.Height());
 267     SetOutputSizePixel(aSize);
 268     SetSdrMode(true);
 269 }
 270
 271 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */