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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 : #ifndef _CHART2_TICKMARKS_EQUIDISTANT_HXX
20 : #define _CHART2_TICKMARKS_EQUIDISTANT_HXX
21 :
22 : #include "Tickmarks.hxx"
23 :
24 : //.............................................................................
25 : namespace chart
26 : {
27 : //.............................................................................
28 :
29 : class EquidistantTickIter : public TickIter
30 : {
31 : public:
32 : EquidistantTickIter( const ::com::sun::star::uno::Sequence<
33 : ::com::sun::star::uno::Sequence< double > >& rTicks
34 : , const ExplicitIncrementData& rIncrement
35 : , sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 );
36 : EquidistantTickIter( ::std::vector< ::std::vector< TickInfo > >& rTickInfos
37 : , const ExplicitIncrementData& rIncrement
38 : , sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 );
39 : virtual ~EquidistantTickIter();
40 :
41 : virtual double* firstValue();
42 : virtual double* nextValue();
43 :
44 : virtual TickInfo* firstInfo();
45 : virtual TickInfo* nextInfo();
46 :
47 : sal_Int32 getCurrentDepth() const { return m_nCurrentDepth; }
48 :
49 : private: //methods
50 : sal_Int32 getIntervalCount( sal_Int32 nDepth );
51 : bool isAtLastPartTick();
52 :
53 : void initIter( sal_Int32 nMinDepth, sal_Int32 nMaxDepth );
54 : sal_Int32 getStartDepth() const;
55 :
56 : bool gotoFirst();
57 : bool gotoNext();
58 :
59 :
60 35464 : double getTickValue(sal_Int32 nDepth, sal_Int32 nIndex) const
61 : {
62 35464 : if(m_pSimpleTicks)
63 27982 : return (*m_pSimpleTicks)[nDepth][nIndex];
64 : else
65 7482 : return (((*m_pInfoTicks)[nDepth])[nIndex]).fScaledTickValue;
66 : }
67 14037 : sal_Int32 getTickCount( sal_Int32 nDepth ) const
68 : {
69 14037 : if(m_pSimpleTicks)
70 7032 : return (*m_pSimpleTicks)[nDepth].getLength();
71 : else
72 7005 : return (*m_pInfoTicks)[nDepth].size();
73 : }
74 4917 : sal_Int32 getMaxDepth() const
75 : {
76 4917 : if(m_pSimpleTicks)
77 3516 : return (*m_pSimpleTicks).getLength()-1;
78 : else
79 1401 : return (*m_pInfoTicks).size()-1;
80 : }
81 :
82 : private: //member
83 : const ::com::sun::star::uno::Sequence<
84 : ::com::sun::star::uno::Sequence< double > >* m_pSimpleTicks;
85 : ::std::vector< ::std::vector< TickInfo > >* m_pInfoTicks;
86 : const ExplicitIncrementData& m_rIncrement;
87 : sal_Int32 m_nMaxDepth;
88 : sal_Int32 m_nTickCount;
89 : sal_Int32* m_pnPositions; //current positions in the different sequences
90 : sal_Int32* m_pnPreParentCount; //the tickmarks do not start with a major tick always,
91 : //the PreParentCount states for each depth how many subtickmarks are available in front of the first parent tickmark
92 : bool* m_pbIntervalFinished;
93 : sal_Int32 m_nCurrentDepth;
94 : sal_Int32 m_nCurrentPos;
95 : double m_fCurrentValue;
96 : };
97 :
98 : class EquidistantTickFactory
99 : {
100 : public:
101 : EquidistantTickFactory(
102 : const ExplicitScaleData& rScale
103 : , const ExplicitIncrementData& rIncrement );
104 : ~EquidistantTickFactory();
105 :
106 : void getAllTicks( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
107 : void getAllTicksShifted( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
108 :
109 : static double getMinimumAtIncrement( double fMin, const ExplicitIncrementData& rIncrement );
110 : static double getMaximumAtIncrement( double fMax, const ExplicitIncrementData& rIncrement );
111 :
112 : private: //methods
113 : void addSubTicks( sal_Int32 nDepth,
114 : ::com::sun::star::uno::Sequence<
115 : ::com::sun::star::uno::Sequence< double > >& rParentTicks ) const;
116 : double* getMajorTick( sal_Int32 nTick ) const;
117 : double* getMinorTick( sal_Int32 nTick, sal_Int32 nDepth
118 : , double fStartParentTick, double fNextParentTick ) const;
119 : sal_Int32 getMaxTickCount( sal_Int32 nDepth = 0 ) const;
120 : sal_Int32 getTickDepth() const;
121 :
122 : bool isVisible( double fValue ) const;
123 : bool isWithinOuterBorder( double fScaledValue ) const; //all within the outer major tick marks
124 :
125 : private: //member
126 : ExplicitScaleData m_rScale;
127 : ExplicitIncrementData m_rIncrement;
128 : ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >
129 : m_xInverseScaling;
130 :
131 : //minimum and maximum of the visible range after scaling
132 : double m_fScaledVisibleMin;
133 : double m_fScaledVisibleMax;
134 :
135 : double* m_pfCurrentValues;
136 : //major-tick positions that may lay outside the visible range but complete partly visible intervals at the borders
137 : double m_fOuterMajorTickBorderMin;
138 : double m_fOuterMajorTickBorderMax;
139 : double m_fOuterMajorTickBorderMin_Scaled;
140 : double m_fOuterMajorTickBorderMax_Scaled;
141 : };
142 :
143 : //.............................................................................
144 : } //namespace chart
145 : //.............................................................................
146 : #endif
147 :
148 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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