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2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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21
22
23
24 #ifndef _SV_IMPOCT_HXX
25 #define _SV_IMPOCT_HXX
26
27 #include <vcl/octree.hxx>
28
29 // ----------------
30 // - ImpErrorQuad -
31 // ----------------
32
33 class ImpErrorQuad
34 {
35 long nRed;
36 long nGreen;
37 long nBlue;
38 long nReserved;
39
40 public:
41
ImpErrorQuad()42 inline ImpErrorQuad() {}
ImpErrorQuad(const BitmapColor & rColor)43 inline ImpErrorQuad( const BitmapColor& rColor ) :
44 nRed ( (long) rColor.GetRed() << 5L ),
45 nGreen ( (long) rColor.GetGreen() << 5L ),
46 nBlue ( (long) rColor.GetBlue() << 5L ) {}
47
48 inline void operator=( const BitmapColor& rColor );
49 inline ImpErrorQuad& operator-=( const BitmapColor& rColor );
50
51 inline void ImplAddColorError1( const ImpErrorQuad& rErrQuad );
52 inline void ImplAddColorError3( const ImpErrorQuad& rErrQuad );
53 inline void ImplAddColorError5( const ImpErrorQuad& rErrQuad );
54 inline void ImplAddColorError7( const ImpErrorQuad& rErrQuad );
55
56 inline BitmapColor ImplGetColor();
57 };
58
59 // ------------------------------------------------------------------------
60
operator =(const BitmapColor & rColor)61 inline void ImpErrorQuad::operator=( const BitmapColor& rColor )
62 {
63 nRed = (long) rColor.GetRed() << 5L;
64 nGreen = (long) rColor.GetGreen() << 5L;
65 nBlue = (long) rColor.GetBlue() << 5L;
66 }
67
68 // ------------------------------------------------------------------------
69
operator -=(const BitmapColor & rColor)70 inline ImpErrorQuad& ImpErrorQuad::operator-=( const BitmapColor& rColor )
71 {
72 nRed -= ( (long) rColor.GetRed() << 5L );
73 nGreen -= ( (long) rColor.GetGreen() << 5L );
74 nBlue -= ( (long) rColor.GetBlue() << 5L );
75
76 return *this;
77 }
78
79 // ------------------------------------------------------------------------
80
ImplAddColorError1(const ImpErrorQuad & rErrQuad)81 inline void ImpErrorQuad::ImplAddColorError1( const ImpErrorQuad& rErrQuad )
82 {
83 nRed += ( rErrQuad.nRed >> 4L );
84 nGreen += ( rErrQuad.nGreen >> 4L );
85 nBlue += ( rErrQuad.nBlue >> 4L );
86 }
87
88 // ------------------------------------------------------------------------
89
ImplAddColorError3(const ImpErrorQuad & rErrQuad)90 inline void ImpErrorQuad::ImplAddColorError3( const ImpErrorQuad& rErrQuad )
91 {
92 nRed += ( rErrQuad.nRed * 3L >> 4L );
93 nGreen += ( rErrQuad.nGreen * 3L >> 4L );
94 nBlue += ( rErrQuad.nBlue * 3L >> 4L );
95 }
96
97 // ------------------------------------------------------------------------
98
ImplAddColorError5(const ImpErrorQuad & rErrQuad)99 inline void ImpErrorQuad::ImplAddColorError5( const ImpErrorQuad& rErrQuad )
100 {
101 nRed += ( rErrQuad.nRed * 5L >> 4L );
102 nGreen += ( rErrQuad.nGreen * 5L >> 4L );
103 nBlue += ( rErrQuad.nBlue * 5L >> 4L );
104 }
105
106 // ------------------------------------------------------------------------
107
ImplAddColorError7(const ImpErrorQuad & rErrQuad)108 inline void ImpErrorQuad::ImplAddColorError7( const ImpErrorQuad& rErrQuad )
109 {
110 nRed += ( rErrQuad.nRed * 7L >> 4L );
111 nGreen += ( rErrQuad.nGreen * 7L >> 4L );
112 nBlue += ( rErrQuad.nBlue *7L >> 4L );
113 }
114
115 // ------------------------------------------------------------------------
116
ImplGetColor()117 inline BitmapColor ImpErrorQuad::ImplGetColor()
118 {
119 return BitmapColor( (sal_uInt8) ( ( nRed < 0L ? 0L : nRed > 8160L ? 8160L : nRed ) >> 5L ),
120 (sal_uInt8) ( ( nGreen < 0L ? 0L : nGreen > 8160L ? 8160L : nGreen ) >> 5L ),
121 (sal_uInt8) ( ( nBlue < 0L ? 0L : nBlue > 8160L ? 8160L : nBlue ) >> 5L ) );
122 }
123
124 // -------------
125 // - NodeCache -
126 // -------------
127
128 class ImpNodeCache
129 {
130 OctreeNode* pActNode;
131 sal_uLong nNew;
132 sal_uLong nDelete;
133 sal_uLong nGet;
134 sal_uLong nRelease;
135
136 public:
137
138 ImpNodeCache( const sal_uLong nInitSize );
139 ~ImpNodeCache();
140
141 inline OctreeNode* ImplGetFreeNode();
142 inline void ImplReleaseNode( OctreeNode* pNode );
143 };
144
145 // ------------------------------------------------------------------------
146
ImplGetFreeNode()147 inline OctreeNode* ImpNodeCache::ImplGetFreeNode()
148 {
149 OctreeNode* pNode;
150
151 if ( !pActNode )
152 {
153 pActNode = new NODE;
154 pActNode->pNextInCache = NULL;
155 }
156
157 pNode = pActNode;
158 pActNode = pNode->pNextInCache;
159 memset( pNode, 0, sizeof( NODE ) );
160
161 return pNode;
162 }
163
164 // ------------------------------------------------------------------------
165
ImplReleaseNode(OctreeNode * pNode)166 inline void ImpNodeCache::ImplReleaseNode( OctreeNode* pNode )
167 {
168 pNode->pNextInCache = pActNode;
169 pActNode = pNode;
170 }
171
172 #endif // _SV_IMPOCT_HXX
173