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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 : #ifndef _SV_IMPOCT_HXX
21 : #define _SV_IMPOCT_HXX
22 :
23 : #include <vcl/octree.hxx>
24 :
25 : // ----------------
26 : // - ImpErrorQuad -
27 : // ----------------
28 :
29 : class ImpErrorQuad
30 : {
31 : long nRed;
32 : long nGreen;
33 : long nBlue;
34 :
35 : public:
36 :
37 71265 : inline ImpErrorQuad() {}
38 2464769 : inline ImpErrorQuad( const BitmapColor& rColor ) :
39 2464769 : nRed ( (long) rColor.GetRed() << 5L ),
40 2464769 : nGreen ( (long) rColor.GetGreen() << 5L ),
41 4929538 : nBlue ( (long) rColor.GetBlue() << 5L ) {}
42 :
43 : inline void operator=( const BitmapColor& rColor );
44 : inline ImpErrorQuad& operator-=( const BitmapColor& rColor );
45 :
46 : inline void ImplAddColorError1( const ImpErrorQuad& rErrQuad );
47 : inline void ImplAddColorError3( const ImpErrorQuad& rErrQuad );
48 : inline void ImplAddColorError5( const ImpErrorQuad& rErrQuad );
49 : inline void ImplAddColorError7( const ImpErrorQuad& rErrQuad );
50 :
51 : inline BitmapColor ImplGetColor();
52 : };
53 :
54 : // ------------------------------------------------------------------------
55 :
56 2529589 : inline void ImpErrorQuad::operator=( const BitmapColor& rColor )
57 : {
58 2529589 : nRed = (long) rColor.GetRed() << 5L;
59 2529589 : nGreen = (long) rColor.GetGreen() << 5L;
60 2529589 : nBlue = (long) rColor.GetBlue() << 5L;
61 2529589 : }
62 :
63 : // ------------------------------------------------------------------------
64 :
65 2464769 : inline ImpErrorQuad& ImpErrorQuad::operator-=( const BitmapColor& rColor )
66 : {
67 2464769 : nRed -= ( (long) rColor.GetRed() << 5L );
68 2464769 : nGreen -= ( (long) rColor.GetGreen() << 5L );
69 2464769 : nBlue -= ( (long) rColor.GetBlue() << 5L );
70 :
71 2464769 : return *this;
72 : }
73 :
74 : // ------------------------------------------------------------------------
75 :
76 2464769 : inline void ImpErrorQuad::ImplAddColorError1( const ImpErrorQuad& rErrQuad )
77 : {
78 2464769 : nRed += ( rErrQuad.nRed >> 4L );
79 2464769 : nGreen += ( rErrQuad.nGreen >> 4L );
80 2464769 : nBlue += ( rErrQuad.nBlue >> 4L );
81 2464769 : }
82 :
83 : // ------------------------------------------------------------------------
84 :
85 2464769 : inline void ImpErrorQuad::ImplAddColorError3( const ImpErrorQuad& rErrQuad )
86 : {
87 2464769 : nRed += ( rErrQuad.nRed * 3L >> 4L );
88 2464769 : nGreen += ( rErrQuad.nGreen * 3L >> 4L );
89 2464769 : nBlue += ( rErrQuad.nBlue * 3L >> 4L );
90 2464769 : }
91 :
92 : // ------------------------------------------------------------------------
93 :
94 2464769 : inline void ImpErrorQuad::ImplAddColorError5( const ImpErrorQuad& rErrQuad )
95 : {
96 2464769 : nRed += ( rErrQuad.nRed * 5L >> 4L );
97 2464769 : nGreen += ( rErrQuad.nGreen * 5L >> 4L );
98 2464769 : nBlue += ( rErrQuad.nBlue * 5L >> 4L );
99 2464769 : }
100 :
101 : // ------------------------------------------------------------------------
102 :
103 2464769 : inline void ImpErrorQuad::ImplAddColorError7( const ImpErrorQuad& rErrQuad )
104 : {
105 2464769 : nRed += ( rErrQuad.nRed * 7L >> 4L );
106 2464769 : nGreen += ( rErrQuad.nGreen * 7L >> 4L );
107 2464769 : nBlue += ( rErrQuad.nBlue *7L >> 4L );
108 2464769 : }
109 :
110 : // ------------------------------------------------------------------------
111 :
112 2529589 : inline BitmapColor ImpErrorQuad::ImplGetColor()
113 : {
114 2529589 : return BitmapColor( (sal_uInt8) ( ( nRed < 0L ? 0L : nRed > 8160L ? 8160L : nRed ) >> 5L ),
115 2529589 : (sal_uInt8) ( ( nGreen < 0L ? 0L : nGreen > 8160L ? 8160L : nGreen ) >> 5L ),
116 7588767 : (sal_uInt8) ( ( nBlue < 0L ? 0L : nBlue > 8160L ? 8160L : nBlue ) >> 5L ) );
117 : }
118 :
119 : // -------------
120 : // - NodeCache -
121 : // -------------
122 :
123 : class ImpNodeCache
124 : {
125 : OctreeNode* pActNode;
126 :
127 : public:
128 :
129 : ImpNodeCache( const sal_uLong nInitSize );
130 : ~ImpNodeCache();
131 :
132 : inline OctreeNode* ImplGetFreeNode();
133 : inline void ImplReleaseNode( OctreeNode* pNode );
134 : };
135 :
136 : // ------------------------------------------------------------------------
137 :
138 166486 : inline OctreeNode* ImpNodeCache::ImplGetFreeNode()
139 : {
140 : OctreeNode* pNode;
141 :
142 166486 : if ( !pActNode )
143 : {
144 43574 : pActNode = new NODE;
145 43574 : pActNode->pNextInCache = NULL;
146 : }
147 :
148 166486 : pNode = pActNode;
149 166486 : pActNode = pNode->pNextInCache;
150 166486 : memset( pNode, 0, sizeof( NODE ) );
151 :
152 166486 : return pNode;
153 : }
154 :
155 : // ------------------------------------------------------------------------
156 :
157 166486 : inline void ImpNodeCache::ImplReleaseNode( OctreeNode* pNode )
158 : {
159 166486 : pNode->pNextInCache = pActNode;
160 166486 : pActNode = pNode;
161 166486 : }
162 :
163 : #endif // _SV_IMPOCT_HXX
164 :
165 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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