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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 <vcl/window.hxx>
21 :
22 : #include "hintids.hxx"
23 : #include "viewsh.hxx"
24 : #include "virtoutp.hxx"
25 : #include "viewopt.hxx"
26 : #include "rootfrm.hxx"
27 : // OD 12.11.2002 #96272# - include declaration for <SetMappingForVirtDev>
28 : #include "setmapvirtdev.hxx"
29 :
30 : #if OSL_DEBUG_LEVEL > 1
31 :
32 : class DbgRect
33 : {
34 : OutputDevice *pOut;
35 : public:
36 : DbgRect( OutputDevice *pOut, const Rectangle &rRect,
37 : const ColorData eColor = COL_LIGHTBLUE );
38 : };
39 :
40 : inline DbgRect::DbgRect( OutputDevice *pOutDev, const Rectangle &rRect,
41 : const ColorData eColor )
42 : :pOut( pOutDev )
43 : {
44 : if( pOut )
45 : {
46 : pOut->Push( PUSH_FILLCOLOR|PUSH_LINECOLOR );
47 : pOut->SetLineColor( eColor );
48 : pOut->SetFillColor();
49 : pOut->DrawRect( rRect );
50 : pOut->Pop();
51 : }
52 : }
53 :
54 : #endif
55 :
56 : /* The SWLayVout class manages the virtual output devices.
57 : * RootFrm has a static member of this class which is created in _FrmInit
58 : * and destroyed in _FrmFinit.
59 : * */
60 :
61 0 : sal_Bool SwRootFrm::FlushVout()
62 : {
63 0 : if( SwRootFrm::pVout->IsFlushable() )
64 : {
65 0 : SwRootFrm::pVout->_Flush();
66 0 : return sal_True;
67 : }
68 0 : return sal_False;
69 : }
70 :
71 0 : sal_Bool SwRootFrm::HasSameRect( const SwRect& rRect )
72 : {
73 0 : if( SwRootFrm::pVout->IsFlushable() )
74 0 : return ( rRect == SwRootFrm::pVout->GetOrgRect() );
75 0 : return sal_False;
76 : }
77 :
78 : /** method to set mapping/pixel offset for virtual output device
79 :
80 : OD 12.11.2002 #96272# - method implements two solutions for the mapping of
81 : the virtual output device:
82 : The old solution set the origin of the mapping mode, which will be used in
83 : the virtual output device. This causes several paint errors, because of the
84 : different roundings in the virtual output device and the original output device.
85 : The new solution avoids the rounding differences between virtual and original
86 : output device by setting a pixel offset at the virtual output device.
87 : A define controls, which solution is used, in order to switch in escalation
88 : back to old solution.
89 :
90 : @param _pOrgOutDev
91 : input parameter - constant instance of the original output device, for which
92 : the virtual output device is created.
93 :
94 : @param _pVirDev
95 : input/output parameter - instance of the virtual output device.
96 :
97 : @param _pMapMode
98 : input/output parameter - instance of the mapping mode, which will be set
99 : at the virtual output device.
100 :
101 : @param _rNewOrigin
102 : input parameter - constant instance of the origin, which will be used in
103 : the virtual output device
104 : */
105 : // define to control, if old or new solution for setting the mapping for
106 : // an virtual output device is used.
107 0 : void SetMappingForVirtDev( const Point& _rNewOrigin,
108 : MapMode* ,
109 : const OutputDevice* _pOrgOutDev,
110 : VirtualDevice* _pVirDev )
111 : {
112 : // new solution: set pixel offset at virtual output device
113 0 : Point aPixelOffset = _pOrgOutDev->LogicToPixel( _rNewOrigin );
114 0 : _pVirDev->SetPixelOffset( Size( -aPixelOffset.X(), -aPixelOffset.Y() ) );
115 0 : }
116 :
117 : // rSize must be pixel coordinates!
118 0 : sal_Bool SwLayVout::DoesFit( const Size &rNew )
119 : {
120 0 : if( rNew.Height() > VIRTUALHEIGHT )
121 0 : return sal_False;
122 0 : if( rNew.Width() <= 0 || rNew.Height() <= 0 )
123 0 : return sal_False;
124 0 : if( rNew.Width() <= aSize.Width() )
125 0 : return sal_True;
126 0 : if( !pVirDev )
127 : {
128 0 : pVirDev = new VirtualDevice();
129 0 : pVirDev->SetLineColor();
130 0 : if( pOut )
131 : {
132 0 : if( pVirDev->GetFillColor() != pOut->GetFillColor() )
133 0 : pVirDev->SetFillColor( pOut->GetFillColor() );
134 : }
135 : }
136 :
137 0 : if( rNew.Width() > aSize.Width() )
138 : {
139 0 : aSize.Width() = rNew.Width();
140 0 : if( !pVirDev->SetOutputSizePixel( aSize ) )
141 : {
142 0 : delete pVirDev;
143 0 : pVirDev = NULL;
144 0 : aSize.Width() = 0;
145 0 : return sal_False;
146 : }
147 : }
148 0 : return sal_True;
149 : }
150 :
151 : /// OD 27.09.2002 #103636# - change 2nd parameter <rRect> - no longer <const>
152 : /// in order to return value of class member variable <aRect>, if virtual
153 : /// output is used.
154 : /// <aRect> contains the rectangle that represents the area the virtual
155 : /// output device is used for and that is flushed at the end.
156 0 : void SwLayVout::Enter( SwViewShell *pShell, SwRect &rRect, sal_Bool bOn )
157 : {
158 0 : Flush();
159 :
160 : #ifdef DBG_UTIL
161 : if( pShell->GetViewOptions()->IsTest3() )
162 : {
163 : ++nCount;
164 : return;
165 : }
166 : #endif
167 :
168 0 : bOn = bOn && !nCount && rRect.HasArea() && pShell->GetWin();
169 0 : ++nCount;
170 0 : if( bOn )
171 : {
172 0 : pSh = pShell;
173 0 : pOut = NULL;
174 0 : OutputDevice *pO = pSh->GetOut();
175 : // We don't cheat on printers or virtual output devices...
176 0 : if( OUTDEV_WINDOW != pO->GetOutDevType() )
177 0 : return;
178 :
179 0 : pOut = pO;
180 0 : Size aPixSz( pOut->PixelToLogic( Size( 1,1 )) );
181 0 : SwRect aTmp( rRect );
182 0 : aTmp.SSize().Width() += aPixSz.Width()/2 + 1;
183 0 : aTmp.SSize().Height()+= aPixSz.Height()/2 + 1;
184 0 : Rectangle aTmpRect( pO->LogicToPixel( aTmp.SVRect() ) );
185 :
186 : OSL_ENSURE( !pSh->GetWin()->IsReallyVisible() ||
187 : aTmpRect.GetWidth() <= pSh->GetWin()->GetOutputSizePixel().Width() + 2,
188 : "Paintwidth bigger than visarea?" );
189 : // Does the rectangle fit in our buffer?
190 0 : if( !DoesFit( aTmpRect.GetSize() ) )
191 : {
192 0 : pOut = NULL;
193 0 : return;
194 : }
195 :
196 0 : aRect = SwRect( pO->PixelToLogic( aTmpRect ) );
197 :
198 0 : SetOutDev( pSh, pVirDev );
199 :
200 0 : if( pVirDev->GetFillColor() != pOut->GetFillColor() )
201 0 : pVirDev->SetFillColor( pOut->GetFillColor() );
202 :
203 0 : MapMode aMapMode( pOut->GetMapMode() );
204 : // OD 12.11.2002 #96272# - use method to set mapping
205 : //aMapMode.SetOrigin( Point(0,0) - aRect.Pos() );
206 0 : ::SetMappingForVirtDev( aRect.Pos(), &aMapMode, pOut, pVirDev );
207 :
208 0 : if( aMapMode != pVirDev->GetMapMode() )
209 0 : pVirDev->SetMapMode( aMapMode );
210 :
211 : /// OD 27.09.2002 #103636# - set value of parameter <rRect>
212 0 : rRect = aRect;
213 : }
214 : }
215 :
216 0 : void SwLayVout::_Flush()
217 : {
218 : OSL_ENSURE( pVirDev, "SwLayVout::DrawOut: nothing left Toulouse" );
219 0 : pOut->DrawOutDev( aRect.Pos(), aRect.SSize(),
220 0 : aRect.Pos(), aRect.SSize(), *pVirDev );
221 0 : SetOutDev( pSh, pOut );
222 0 : pOut = NULL;
223 0 : }
224 :
225 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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