xref: /aoo42x/main/sw/source/core/text/txtpaint.cxx (revision efeef26f)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_sw.hxx"
26 
27 
28 
29 #include "txtpaint.hxx"
30 #include "swrect.hxx"
31 #include "rootfrm.hxx"
32 
33 /*************************************************************************
34  *                      SwSaveClip::Reset()
35  *************************************************************************/
36 
Reset()37 void SwSaveClip::Reset()
38 {
39 	// Der alte Zustand wird wieder hergestellt.
40 	if( pOut && bChg )
41 	{
42 		if ( pOut->GetConnectMetaFile() )
43 			pOut->Pop();
44 		else
45 		{
46 			if( bOn )
47 				pOut->SetClipRegion( aClip );
48 			else
49 				pOut->SetClipRegion();
50 		}
51 		bChg = sal_False;
52 	}
53 }
54 
55 /*************************************************************************
56  *						SwSaveClip::_ChgClip()
57  *************************************************************************/
58 
_ChgClip(const SwRect & rRect,const SwTxtFrm * pFrm,sal_Bool bEnlargeRect)59 void SwSaveClip::_ChgClip( const SwRect &rRect, const SwTxtFrm* pFrm,
60                            sal_Bool bEnlargeRect )
61 {
62     SwRect aOldRect( rRect );
63     const sal_Bool bVertical = pFrm && pFrm->IsVertical();
64 
65     if ( pFrm && pFrm->IsRightToLeft() )
66         pFrm->SwitchLTRtoRTL( (SwRect&)rRect );
67 
68     if ( bVertical )
69         pFrm->SwitchHorizontalToVertical( (SwRect&)rRect );
70 
71     if ( !pOut || (!rRect.HasArea() && !pOut->IsClipRegion()) )
72     {
73         (SwRect&)rRect = aOldRect;
74         return;
75     }
76 
77 	if ( !bChg )
78 	{
79 		if ( pOut->GetConnectMetaFile() )
80 			pOut->Push();
81 		else if ( bOn )
82             aClip = pOut->GetClipRegion();
83 	}
84 
85 	if ( !rRect.HasArea() )
86 		pOut->SetClipRegion();
87 	else
88 	{
89         Rectangle aRect( rRect.SVRect() );
90 
91         // Having underscores in our line, we enlarged the repaint area
92         // (see frmform.cxx) because for some fonts it could be too small.
93         // Consequently, we have to enlarge the clipping rectangle as well.
94         if ( bEnlargeRect && ! bVertical )
95             aRect.Bottom() += 40;
96 
97 		// Wenn das ClipRect identisch ist, passiert nix.
98         if( pOut->IsClipRegion() ) // kein && wg Mac
99         {
100             if ( aRect == pOut->GetClipRegion().GetBoundRect() )
101             {
102                 (SwRect&)rRect = aOldRect;
103                 return;
104             }
105         }
106 
107 		if( SwRootFrm::HasSameRect( rRect ) )
108 			pOut->SetClipRegion();
109 		else
110 		{
111 			const Region aClipRegion( aRect );
112 			pOut->SetClipRegion( aClipRegion );
113 #if OSL_DEBUG_LEVEL > 1
114             Rectangle aDbgRect = pOut->GetClipRegion().GetBoundRect();
115 #endif
116 		}
117 #if OSL_DEBUG_LEVEL > 1
118 #ifdef DBG_UTIL
119 		static sal_Bool bDbg = sal_False;
120 		if( bDbg )
121 		{
122 			DbgBackColor aDbg( pOut, bDbg, COL_RED );
123 			pOut->DrawRect( aRect );
124 		}
125 #endif
126 #endif
127 	}
128 	bChg = sal_True;
129 
130     (SwRect&)rRect = aOldRect;
131 }
132 
133 
134