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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 INCLUDED_CHART2_SOURCE_VIEW_AXES_TICKMARKS_EQUIDISTANT_HXX
20 : #define INCLUDED_CHART2_SOURCE_VIEW_AXES_TICKMARKS_EQUIDISTANT_HXX
21 :
22 : #include "Tickmarks.hxx"
23 :
24 : namespace chart
25 : {
26 :
27 : class EquidistantTickIter : public TickIter
28 : {
29 : public:
30 : EquidistantTickIter( const ::com::sun::star::uno::Sequence<
31 : ::com::sun::star::uno::Sequence< double > >& rTicks
32 : , const ExplicitIncrementData& rIncrement
33 : , sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 );
34 : EquidistantTickIter( ::std::vector< ::std::vector< TickInfo > >& rTickInfos
35 : , const ExplicitIncrementData& rIncrement
36 : , sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 );
37 : virtual ~EquidistantTickIter();
38 :
39 : virtual double* firstValue();
40 : virtual double* nextValue();
41 :
42 : virtual TickInfo* firstInfo() SAL_OVERRIDE;
43 : virtual TickInfo* nextInfo() SAL_OVERRIDE;
44 :
45 : sal_Int32 getCurrentDepth() const { return m_nCurrentDepth; }
46 :
47 : private: //methods
48 : sal_Int32 getIntervalCount( sal_Int32 nDepth );
49 : bool isAtLastPartTick();
50 :
51 : void initIter( sal_Int32 nMinDepth, sal_Int32 nMaxDepth );
52 : sal_Int32 getStartDepth() const;
53 :
54 : bool gotoFirst();
55 : bool gotoNext();
56 :
57 0 : double getTickValue(sal_Int32 nDepth, sal_Int32 nIndex) const
58 : {
59 0 : if(m_pSimpleTicks)
60 0 : return (*m_pSimpleTicks)[nDepth][nIndex];
61 : else
62 0 : return (((*m_pInfoTicks)[nDepth])[nIndex]).fScaledTickValue;
63 : }
64 0 : sal_Int32 getTickCount( sal_Int32 nDepth ) const
65 : {
66 0 : if(m_pSimpleTicks)
67 0 : return (*m_pSimpleTicks)[nDepth].getLength();
68 : else
69 0 : return (*m_pInfoTicks)[nDepth].size();
70 : }
71 0 : sal_Int32 getMaxDepth() const
72 : {
73 0 : if(m_pSimpleTicks)
74 0 : return (*m_pSimpleTicks).getLength()-1;
75 : else
76 0 : return (*m_pInfoTicks).size()-1;
77 : }
78 :
79 : private: //member
80 : const ::com::sun::star::uno::Sequence<
81 : ::com::sun::star::uno::Sequence< double > >* m_pSimpleTicks;
82 : ::std::vector< ::std::vector< TickInfo > >* m_pInfoTicks;
83 : const ExplicitIncrementData& m_rIncrement;
84 : sal_Int32 m_nMaxDepth;
85 : sal_Int32 m_nTickCount;
86 : sal_Int32* m_pnPositions; //current positions in the different sequences
87 : sal_Int32* m_pnPreParentCount; //the tickmarks do not start with a major tick always,
88 : //the PreParentCount states for each depth how many subtickmarks are available in front of the first parent tickmark
89 : bool* m_pbIntervalFinished;
90 : sal_Int32 m_nCurrentDepth;
91 : sal_Int32 m_nCurrentPos;
92 : double m_fCurrentValue;
93 : };
94 :
95 : class EquidistantTickFactory
96 : {
97 : public:
98 : EquidistantTickFactory(
99 : const ExplicitScaleData& rScale
100 : , const ExplicitIncrementData& rIncrement );
101 : ~EquidistantTickFactory();
102 :
103 : void getAllTicks( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
104 : void getAllTicksShifted( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
105 :
106 : static double getMinimumAtIncrement( double fMin, const ExplicitIncrementData& rIncrement );
107 : static double getMaximumAtIncrement( double fMax, const ExplicitIncrementData& rIncrement );
108 :
109 : private: //methods
110 : void addSubTicks( sal_Int32 nDepth,
111 : ::com::sun::star::uno::Sequence<
112 : ::com::sun::star::uno::Sequence< double > >& rParentTicks ) const;
113 : double* getMajorTick( sal_Int32 nTick ) const;
114 : double* getMinorTick( sal_Int32 nTick, sal_Int32 nDepth
115 : , double fStartParentTick, double fNextParentTick ) const;
116 : sal_Int32 getMaxTickCount( sal_Int32 nDepth = 0 ) const;
117 : sal_Int32 getTickDepth() const;
118 :
119 : bool isVisible( double fValue ) const;
120 : bool isWithinOuterBorder( double fScaledValue ) const; //all within the outer major tick marks
121 :
122 : private: //member
123 : ExplicitScaleData m_rScale;
124 : ExplicitIncrementData m_rIncrement;
125 : ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >
126 : m_xInverseScaling;
127 :
128 : //minimum and maximum of the visible range after scaling
129 : double m_fScaledVisibleMin;
130 : double m_fScaledVisibleMax;
131 :
132 : double* m_pfCurrentValues;
133 : //major-tick positions that may lay outside the visible range but complete partly visible intervals at the borders
134 : double m_fOuterMajorTickBorderMin;
135 : double m_fOuterMajorTickBorderMax;
136 : double m_fOuterMajorTickBorderMin_Scaled;
137 : double m_fOuterMajorTickBorderMax_Scaled;
138 : };
139 :
140 : } //namespace chart
141 : #endif
142 :
143 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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