summaryrefslogtreecommitdiff
path: root/chart2/source/view/axes/TickmarkHelper.hxx
blob: 4e758aa0ceb53ff7243407b828813d6ae4626049 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: TickmarkHelper.hxx,v $
 * $Revision: 1.7 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/
#ifndef _CHART2_TICKMARKHELPER_HXX
#define _CHART2_TICKMARKHELPER_HXX

#include "TickmarkProperties.hxx"
#include "VAxisProperties.hxx"
#include <com/sun/star/chart2/ExplicitIncrementData.hpp>
#include <com/sun/star/chart2/ExplicitScaleData.hpp>
#include <basegfx/vector/b2dvector.hxx>
#include <com/sun/star/drawing/PointSequenceSequence.hpp>
#include <com/sun/star/drawing/XShape.hpp>
#include <com/sun/star/uno/Sequence.h>

#include <vector>

//.............................................................................
namespace chart
{
//.............................................................................

using ::basegfx::B2DVector;
//-----------------------------------------------------------------------------
/**
*/

struct TickInfo
{
    double      fScaledTickValue;
    double      fUnscaledTickValue;

    ::basegfx::B2DVector  aTickScreenPosition;
    bool        bPaintIt;

    ::com::sun::star::uno::Reference<
        ::com::sun::star::drawing::XShape > xTextShape;

//methods:
    TickInfo();
    void        updateUnscaledValue( const ::com::sun::star::uno::Reference<
                    ::com::sun::star::chart2::XScaling >& xInverseScaling );
};

class TickIter
{
public:
    TickIter( const ::com::sun::star::uno::Sequence<
                ::com::sun::star::uno::Sequence< double > >& rTicks
                , const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement
            , sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 );
    TickIter( ::std::vector< ::std::vector< TickInfo > >& rTickInfos
            , const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement
            , sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 );
    virtual ~TickIter();

    virtual double*     firstValue();
    virtual double*     nextValue();

    virtual TickInfo*   firstInfo();
    virtual TickInfo*   nextInfo();

    sal_Int32   getCurrentDepth() const { return m_nCurrentDepth; }

protected:
    bool        gotoIndex( sal_Int32 nTickIndex );
    sal_Int32   getCurrentIndex() const;
    sal_Int32   getMaxIndex() const;

private: //methods
    sal_Int32   getIntervalCount( sal_Int32 nDepth );
    bool        isAtLastPartTick();

    void        initIter( sal_Int32 nMinDepth, sal_Int32 nMaxDepth );
    sal_Int32   getStartDepth() const;

    bool        gotoFirst();
    bool        gotoNext();


    double      getTickValue(sal_Int32 nDepth, sal_Int32 nIndex) const
                {
                    if(m_pSimpleTicks)
                        return (*m_pSimpleTicks)[nDepth][nIndex];
                    else
                        return (((*m_pInfoTicks)[nDepth])[nIndex]).fScaledTickValue;
                }
    sal_Int32   getTickCount( sal_Int32 nDepth ) const
                {
                    if(m_pSimpleTicks)
                        return (*m_pSimpleTicks)[nDepth].getLength();
                    else
                        return (*m_pInfoTicks)[nDepth].size();
                }
    sal_Int32   getMaxDepth() const
                {
                    if(m_pSimpleTicks)
                        return (*m_pSimpleTicks).getLength()-1;
                    else
                        return (*m_pInfoTicks).size()-1;
                }

private: //member
    const ::com::sun::star::uno::Sequence<
        ::com::sun::star::uno::Sequence< double > >*  m_pSimpleTicks;
    ::std::vector< ::std::vector< TickInfo > >*       m_pInfoTicks;
    const ::com::sun::star::chart2::ExplicitIncrementData& m_rIncrement;
    //iteration from m_nMinDepth to m_nMaxDepth
    sal_Int32   m_nMinDepth;
    sal_Int32   m_nMaxDepth;
    sal_Int32   m_nTickCount;
    sal_Int32*  m_pnPositions; //current positions in the different sequences
    sal_Int32*  m_pnPreParentCount; //the tickmarks do not start with a major tick always,
                                    //the PreParentCount states for each depth how many subtickmarks are available in front of the first parent tickmark
    bool*       m_pbIntervalFinished;
    sal_Int32   m_nCurrentDepth;
    sal_Int32   m_nCurrentPos;
    double      m_fCurrentValue;
};

class TickmarkHelper
{
public:
    TickmarkHelper(
         const ::com::sun::star::chart2::ExplicitScaleData& rScale
        , const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement );
    virtual ~TickmarkHelper();

    virtual TickmarkHelper* createShiftedTickmarkHelper() const;

    void          getAllTicks( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
    void          getAllTicksShifted( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
    bool          isPostEquidistant( sal_Int32 nDepth ) const;

    //
    static double getMinimumAtIncrement( double fMin, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement );
    static double getMaximumAtIncrement( double fMax, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement );

    double        getScaledWidth() const;

protected: //methods
    void        addSubTicks( sal_Int32 nDepth,
                        ::com::sun::star::uno::Sequence<
                            ::com::sun::star::uno::Sequence< double > >& rParentTicks ) const;
    double*     getMajorTick( sal_Int32 nTick ) const;
    double*     getMinorTick( sal_Int32 nTick, sal_Int32 nDepth
                    , double fStartParentTick, double fNextParentTick ) const;
    sal_Int32   getMaxTickCount( sal_Int32 nDepth = 0 ) const;
    sal_Int32   getTickDepth() const;
    bool        isVisible( double fValue ) const;
    bool        isWithinOuterBorder( double fScaledValue ) const; //all within the outer major tick marks

    virtual void updateScreenValues( ::std::vector< ::std::vector< TickInfo > >& /*rAllTickInfos*/ ) const {}
    virtual void hideIdenticalScreenValues( ::std::vector< ::std::vector< TickInfo > >& /*rAllTickInfos*/ ) const {}

protected: //member
    ::com::sun::star::chart2::ExplicitScaleData     m_rScale;
    ::com::sun::star::chart2::ExplicitIncrementData m_rIncrement;

    ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >
                                                m_xInverseScaling;
    double*   m_pfCurrentValues;
    //major-tick positions that may lay outside the visible range but complete partly visible intervals at the borders
    double    m_fOuterMajorTickBorderMin;
    double    m_fOuterMajorTickBorderMax;
    double    m_fOuterMajorTickBorderMin_Scaled;
    double    m_fOuterMajorTickBorderMax_Scaled;

    //minimum and maximum of the visible range after scaling
    double    m_fScaledVisibleMin;
    double    m_fScaledVisibleMax;
};

class TickmarkHelper_2D : public TickmarkHelper
{
public:
    TickmarkHelper_2D(
        const ::com::sun::star::chart2::ExplicitScaleData& rScale
        , const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement
        , const ::basegfx::B2DVector& rStartScreenPos, const ::basegfx::B2DVector& rEndScreenPos );
        //, double fStrech_SceneToScreen, double fOffset_SceneToScreen );
    virtual ~TickmarkHelper_2D();

    virtual TickmarkHelper* createShiftedTickmarkHelper() const;

    static sal_Int32    getTickScreenDistance( TickIter& rIter );

    void createPointSequenceForAxisMainLine( ::com::sun::star::drawing::PointSequenceSequence& rPoints ) const;
    void addPointSequenceForTickLine( ::com::sun::star::drawing::PointSequenceSequence& rPoints
                            , sal_Int32 nSequenceIndex
                            , double fScaledLogicTickValue, double fInnerDirectionSign
                            , const TickmarkProperties& rTickmarkProperties ) const;
    ::basegfx::B2DVector  getDistanceTickToText( const AxisProperties& rAxisProperties ) const;

    virtual void        updateScreenValues( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
    virtual void        hideIdenticalScreenValues( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;

    bool  isHorizontalAxis() const;
    bool  isVerticalAxis() const;

protected: //methods
    ::basegfx::B2DVector     getTickScreenPosition2D( double fScaledLogicTickValue ) const;

private: //member
    ::basegfx::B2DVector    m_aAxisStartScreenPosition2D;
    ::basegfx::B2DVector    m_aAxisEndScreenPosition2D;

    double      m_fStrech_LogicToScreen;
    double      m_fOffset_LogicToScreen;
};

class TickmarkHelper_3D : public TickmarkHelper
{
public:
    TickmarkHelper_3D(
         const ::com::sun::star::chart2::ExplicitScaleData& rScale
        , const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement );
    virtual ~TickmarkHelper_3D();

    virtual TickmarkHelper* createShiftedTickmarkHelper() const;
};

//.............................................................................
} //namespace chart
//.............................................................................
#endif