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 <tools/stream.hxx>
21 #include <tools/vcompat.hxx>
22 #include <vcl/lineinfo.hxx>
23 #include <basegfx/polygon/b2dpolypolygon.hxx>
24 #include <basegfx/polygon/b2dpolygontools.hxx>
25 #include <basegfx/polygon/b2dlinegeometry.hxx>
26 #include <numeric>
27
28
ImplLineInfo()29 ImplLineInfo::ImplLineInfo()
30 : mnWidth(0)
31 , mnDashLen(0)
32 , mnDotLen(0)
33 , mnDistance(0)
34 , meLineJoin(basegfx::B2DLineJoin::Round)
35 , meLineCap(css::drawing::LineCap_BUTT)
36 , meStyle(LineStyle::Solid)
37 , mnDashCount(0)
38 , mnDotCount(0)
39 {
40 }
41
operator ==(const ImplLineInfo & rB) const42 inline bool ImplLineInfo::operator==( const ImplLineInfo& rB ) const
43 {
44 return(meStyle == rB.meStyle
45 && mnWidth == rB.mnWidth
46 && mnDashCount == rB.mnDashCount
47 && mnDashLen == rB.mnDashLen
48 && mnDotCount == rB.mnDotCount
49 && mnDotLen == rB.mnDotLen
50 && mnDistance == rB.mnDistance
51 && meLineJoin == rB.meLineJoin
52 && meLineCap == rB.meLineCap);
53 }
54
55
LineInfo(LineStyle eStyle,sal_Int32 nWidth)56 LineInfo::LineInfo( LineStyle eStyle, sal_Int32 nWidth ) : mpImplLineInfo()
57 {
58 mpImplLineInfo->meStyle = eStyle;
59 mpImplLineInfo->mnWidth = nWidth;
60 }
61
62 LineInfo::LineInfo( const LineInfo& ) = default;
63
64 LineInfo::LineInfo( LineInfo&& ) = default;
65
66 LineInfo::~LineInfo() = default;
67
68 LineInfo& LineInfo::operator=( const LineInfo& ) = default;
69
70 LineInfo& LineInfo::operator=( LineInfo&& ) = default;
71
operator ==(const LineInfo & rLineInfo) const72 bool LineInfo::operator==( const LineInfo& rLineInfo ) const
73 {
74 return mpImplLineInfo == rLineInfo.mpImplLineInfo;
75 }
76
SetStyle(LineStyle eStyle)77 void LineInfo::SetStyle( LineStyle eStyle )
78 {
79 mpImplLineInfo->meStyle = eStyle;
80 }
81
SetWidth(sal_Int32 nWidth)82 void LineInfo::SetWidth( sal_Int32 nWidth )
83 {
84 mpImplLineInfo->mnWidth = nWidth;
85 }
86
SetDashCount(sal_uInt16 nDashCount)87 void LineInfo::SetDashCount( sal_uInt16 nDashCount )
88 {
89 mpImplLineInfo->mnDashCount = nDashCount;
90 }
91
SetDashLen(sal_Int32 nDashLen)92 void LineInfo::SetDashLen( sal_Int32 nDashLen )
93 {
94 mpImplLineInfo->mnDashLen = nDashLen;
95 }
96
SetDotCount(sal_uInt16 nDotCount)97 void LineInfo::SetDotCount( sal_uInt16 nDotCount )
98 {
99 mpImplLineInfo->mnDotCount = nDotCount;
100 }
101
SetDotLen(sal_Int32 nDotLen)102 void LineInfo::SetDotLen( sal_Int32 nDotLen )
103 {
104 mpImplLineInfo->mnDotLen = nDotLen;
105 }
106
SetDistance(sal_Int32 nDistance)107 void LineInfo::SetDistance( sal_Int32 nDistance )
108 {
109 mpImplLineInfo->mnDistance = nDistance;
110 }
111
SetLineJoin(basegfx::B2DLineJoin eLineJoin)112 void LineInfo::SetLineJoin(basegfx::B2DLineJoin eLineJoin)
113 {
114
115 if(eLineJoin != mpImplLineInfo->meLineJoin)
116 {
117 mpImplLineInfo->meLineJoin = eLineJoin;
118 }
119 }
120
SetLineCap(css::drawing::LineCap eLineCap)121 void LineInfo::SetLineCap(css::drawing::LineCap eLineCap)
122 {
123 if(eLineCap != mpImplLineInfo->meLineCap)
124 {
125 mpImplLineInfo->meLineCap = eLineCap;
126 }
127 }
128
IsDefault() const129 bool LineInfo::IsDefault() const
130 {
131 return( !mpImplLineInfo->mnWidth
132 && ( LineStyle::Solid == mpImplLineInfo->meStyle )
133 && ( css::drawing::LineCap_BUTT == mpImplLineInfo->meLineCap));
134 }
135
ReadLineInfo(SvStream & rIStm,LineInfo & rLineInfo)136 SvStream& ReadLineInfo( SvStream& rIStm, LineInfo& rLineInfo )
137 {
138 VersionCompat aCompat( rIStm, StreamMode::READ );
139 sal_uInt16 nTmp16(0);
140 sal_Int32 nTmp32(0);
141
142 rIStm.ReadUInt16( nTmp16 ); rLineInfo.mpImplLineInfo->meStyle = static_cast<LineStyle>(nTmp16);
143 rIStm.ReadInt32( nTmp32 );
144 rLineInfo.mpImplLineInfo->mnWidth = nTmp32;
145
146 if( aCompat.GetVersion() >= 2 )
147 {
148 // version 2
149 rIStm.ReadUInt16( rLineInfo.mpImplLineInfo->mnDashCount ).ReadInt32( nTmp32 );
150 rLineInfo.mpImplLineInfo->mnDashLen = nTmp32;
151 rIStm.ReadUInt16( rLineInfo.mpImplLineInfo->mnDotCount ).ReadInt32( nTmp32 );
152 rLineInfo.mpImplLineInfo->mnDotLen = nTmp32;
153 rIStm.ReadInt32( nTmp32 );
154 rLineInfo.mpImplLineInfo->mnDistance = nTmp32;
155 }
156
157 if( aCompat.GetVersion() >= 3 )
158 {
159 // version 3
160 rIStm.ReadUInt16( nTmp16 ); rLineInfo.mpImplLineInfo->meLineJoin = static_cast<basegfx::B2DLineJoin>(nTmp16);
161 }
162
163 if( aCompat.GetVersion() >= 4 )
164 {
165 // version 4
166 rIStm.ReadUInt16( nTmp16 ); rLineInfo.mpImplLineInfo->meLineCap = static_cast<css::drawing::LineCap>(nTmp16);
167 }
168
169 return rIStm;
170 }
171
WriteLineInfo(SvStream & rOStm,const LineInfo & rLineInfo)172 SvStream& WriteLineInfo( SvStream& rOStm, const LineInfo& rLineInfo )
173 {
174 VersionCompat aCompat( rOStm, StreamMode::WRITE, 4 );
175
176 // version 1
177 rOStm.WriteUInt16( static_cast<sal_uInt16>(rLineInfo.mpImplLineInfo->meStyle) )
178 .WriteInt32( rLineInfo.mpImplLineInfo->mnWidth );
179
180 // since version2
181 rOStm.WriteUInt16( rLineInfo.mpImplLineInfo->mnDashCount )
182 .WriteInt32( rLineInfo.mpImplLineInfo->mnDashLen );
183 rOStm.WriteUInt16( rLineInfo.mpImplLineInfo->mnDotCount )
184 .WriteInt32( rLineInfo.mpImplLineInfo->mnDotLen );
185 rOStm.WriteInt32( rLineInfo.mpImplLineInfo->mnDistance );
186
187 // since version3
188 rOStm.WriteUInt16( static_cast<sal_uInt16>(rLineInfo.mpImplLineInfo->meLineJoin) );
189
190 // since version4
191 rOStm.WriteUInt16( static_cast<sal_uInt16>(rLineInfo.mpImplLineInfo->meLineCap) );
192
193 return rOStm;
194 }
195
applyToB2DPolyPolygon(basegfx::B2DPolyPolygon & io_rLinePolyPolygon,basegfx::B2DPolyPolygon & o_rFillPolyPolygon) const196 void LineInfo::applyToB2DPolyPolygon(
197 basegfx::B2DPolyPolygon& io_rLinePolyPolygon,
198 basegfx::B2DPolyPolygon& o_rFillPolyPolygon) const
199 {
200 o_rFillPolyPolygon.clear();
201
202 if(io_rLinePolyPolygon.count())
203 {
204 if(LineStyle::Dash == GetStyle())
205 {
206 ::std::vector< double > fDotDashArray;
207 const double fDashLen(GetDashLen());
208 const double fDotLen(GetDotLen());
209 const double fDistance(GetDistance());
210
211 for(sal_uInt16 a(0); a < GetDashCount(); a++)
212 {
213 fDotDashArray.push_back(fDashLen);
214 fDotDashArray.push_back(fDistance);
215 }
216
217 for(sal_uInt16 b(0); b < GetDotCount(); b++)
218 {
219 fDotDashArray.push_back(fDotLen);
220 fDotDashArray.push_back(fDistance);
221 }
222
223 const double fAccumulated(::std::accumulate(fDotDashArray.begin(), fDotDashArray.end(), 0.0));
224
225 if(fAccumulated > 0.0)
226 {
227 basegfx::B2DPolyPolygon aResult;
228
229 for(auto const& rPolygon : io_rLinePolyPolygon)
230 {
231 basegfx::B2DPolyPolygon aLineTraget;
232 basegfx::utils::applyLineDashing(
233 rPolygon,
234 fDotDashArray,
235 &aLineTraget);
236 aResult.append(aLineTraget);
237 }
238
239 io_rLinePolyPolygon = aResult;
240 }
241 }
242
243 if(GetWidth() > 1 && io_rLinePolyPolygon.count())
244 {
245 const double fHalfLineWidth((GetWidth() * 0.5) + 0.5);
246
247 for(auto const& rPolygon : io_rLinePolyPolygon)
248 {
249 o_rFillPolyPolygon.append(basegfx::utils::createAreaGeometry(
250 rPolygon,
251 fHalfLineWidth,
252 GetLineJoin(),
253 GetLineCap()));
254 }
255
256 io_rLinePolyPolygon.clear();
257 }
258 }
259 }
260
261 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
262