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
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <memory>
#include <VSeriesPlotter.hxx>
#include <PlottingPositionHelper.hxx>
#include <basegfx/vector/b2ivector.hxx>
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/chart2/PieChartSubType.hpp>
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
namespace chart
{
class PiePositionHelper : public PolarPlottingPositionHelper
{
public:
PiePositionHelper( double fAngleDegreeOffset );
bool getInnerAndOuterRadius( double fCategoryX, double& fLogicInnerRadius, double& fLogicOuterRadius, bool bUseRings, double fMaxOffset ) const;
// Determine if the pie wedges are ordered clockwise (returns true) or
// counterclockwise (returns false)
bool clockwiseWedges() const;
public:
//Distance between different category rings, seen relative to width of a ring:
double m_fRingDistance; //>=0 m_fRingDistance=1 --> distance == width
};
enum class SubPieType {
NONE, // solo pie or donut
LEFT, // left pie in pie-of-pie
RIGHT // right pie in pie-of-pie
};
//=======================
// class PieDataSrcBase
//=======================
class PieDataSrcBase
{
public:
PieDataSrcBase() = default;
virtual ~PieDataSrcBase() = default;
// Number of data points for given pie subtype
virtual sal_Int32 getNPoints(const VDataSeries* pSeries,
enum SubPieType eType) const = 0;
// Get the value for the given pie wedge, for the given subtype
virtual double getData(const VDataSeries* pSeries, sal_Int32 nPtIdx,
enum SubPieType eType) const = 0;
// Get the properties for the wedge and subtype
virtual uno::Reference< beans::XPropertySet > getProps(
const VDataSeries* pSeries, sal_Int32 nPtIdx,
enum SubPieType eType) const = 0;
};
//=======================
// class PieDataSrc
//=======================
class PieDataSrc : public PieDataSrcBase
{
public:
sal_Int32 getNPoints(const VDataSeries* pSeries,
enum SubPieType eType) const;
double getData(const VDataSeries* pSeries, sal_Int32 nPtIdx,
[[maybe_unused]]enum SubPieType eType) const;
virtual uno::Reference< beans::XPropertySet > getProps(
const VDataSeries* pSeries, sal_Int32 nPtIdx,
enum SubPieType eType) const;
};
//=======================
// class OfPieDataSrc
//=======================
class OfPieDataSrc : public PieDataSrcBase
{
public:
// Minimum sensible number of data points
static constexpr sal_Int32 minPoints = 4;
sal_Int32 getNPoints(const VDataSeries* pSeries,
enum SubPieType eType) const;
double getData(const VDataSeries* pSeries, sal_Int32 nPtIdx,
enum SubPieType eType) const;
virtual uno::Reference< beans::XPropertySet > getProps(
const VDataSeries* pSeries, sal_Int32 nPtIdx,
enum SubPieType eType) const;
};
//=======================
// class PieChart
//=======================
class PieChart : public VSeriesPlotter
{
struct ShapeParam;
public:
PieChart() = delete;
PieChart( const rtl::Reference< ::chart::ChartType >& xChartTypeModel
, sal_Int32 nDimensionCount, bool bExcludingPositioning );
virtual ~PieChart() override;
/** This method creates all shapes needed for representing the pie chart.
*/
virtual void createShapes() override;
virtual void rearrangeLabelToAvoidOverlapIfRequested( const css::awt::Size& rPageSize ) override;
virtual void setScales( std::vector< ExplicitScaleData >&& rScales, bool bSwapXAndYAxis ) override;
virtual void addSeries( std::unique_ptr<VDataSeries> pSeries, sal_Int32 zSlot, sal_Int32 xSlot, sal_Int32 ySlot ) override;
virtual css::drawing::Direction3D getPreferredDiagramAspectRatio() const override;
virtual bool shouldSnapRectToUsedArea() override;
//MinimumAndMaximumSupplier
virtual double getMinimumX() override;
virtual double getMaximumX() override;
virtual double getMinimumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) override;
virtual double getMaximumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) override;
virtual bool isExpandBorderToIncrementRhythm( sal_Int32 nDimensionIndex ) override;
virtual bool isExpandIfValuesCloseToBorder( sal_Int32 nDimensionIndex ) override;
virtual bool isExpandWideValuesToZero( sal_Int32 nDimensionIndex ) override;
virtual bool isExpandNarrowValuesTowardZero( sal_Int32 nDimensionIndex ) override;
virtual bool isSeparateStackingForDifferentSigns( sal_Int32 nDimensionIndex ) override;
private: //methods
rtl::Reference<SvxShape>
createDataPoint(
enum SubPieType eType,
const rtl::Reference<SvxShapeGroupAnyD>& xTarget,
const css::uno::Reference<css::beans::XPropertySet>& xObjectProperties,
const ShapeParam& rParam,
const sal_Int32 nPointCount,
const bool bConcentricExplosion);
rtl::Reference<SvxShape> createBarDataPoint(
const rtl::Reference<SvxShapeGroupAnyD>& xTarget,
const uno::Reference<beans::XPropertySet>& xObjectProperties,
const ShapeParam& rParam,
double fBarSegBottom, double fBarSegTop);
/** This method creates a text shape for a label of a data point.
*
* @param xTextTarget
* where to append the new created text shape.
* @param rSeries
* the data series, the data point belongs to.
* @param nPointIndex
* the index of the data point the label is related to.
* @param rParam
* ShapeParam object.
*/
void createTextLabelShape(
const rtl::Reference<SvxShapeGroupAnyD>& xTextTarget,
VDataSeries& rSeries, sal_Int32 nPointIndex, ShapeParam& rParam );
/** This method sets `m_fMaxOffset` to the maximum `Offset` property and
* returns it. There is a `Offset` property for each entry in a data
* series, moreover there exists a shared `Offset` property attached to
* the whole data series. The `Offset` property represents the
* relative distance offset of a slice from the pie center.
* The shared property is used for exploded pie chart, while the property
* attached to single data series entries is used for manual dragging of
* a slice.
* `m_fMaxOffset` is used by `PiePositionHelper::getInnerAndOuterRadius`.
* Note that only the `Offset` properties of the first (x slot) data series
* and its entries are utilized for computing the maximum offset.
*/
double getMaxOffset();
bool detectLabelOverlapsAndMove(const css::awt::Size& rPageSize);//returns true when there might be more to do
void resetLabelPositionsToPreviousState();
struct PieLabelInfo;
bool tryMoveLabels( PieLabelInfo const * pFirstBorder, PieLabelInfo const * pSecondBorder
, PieLabelInfo* pCenter, bool bSingleCenter, bool& rbAlternativeMoveDirection
, const css::awt::Size& rPageSize );
bool performLabelBestFitInnerPlacement( ShapeParam& rShapeParam
, PieLabelInfo const & rPieLabelInfo );
// A standalone pie, one pie in a pie-of-pie, or one ring of a donut
void createOneRing([[maybe_unused]]enum SubPieType eType
, double fSlotX
, ShapeParam& aParam
, const rtl::Reference<SvxShapeGroupAnyD>& xSeriesTarget
, const rtl::Reference<SvxShapeGroup>& xTextTarget
, VDataSeries* pSeries
, const PieDataSrcBase *pDataSrc
, sal_Int32 n3DRelativeHeight);
// A bar chart in a bar-of-pie
void createOneBar(
enum SubPieType eType,
ShapeParam& aParam,
const rtl::Reference<SvxShapeGroupAnyD>& xSeriesTarget,
const rtl::Reference<SvxShapeGroup>& xTextTarget,
VDataSeries* pSeries,
const PieDataSrcBase *pDataSrc,
sal_Int32 n3DRelativeHeight);
private: //member
// Constants for of-pie charts. Some of these will want to become
// user-selectable values. TODO
// Radius scalings for left and right of-pie subcharts
static constexpr double m_fLeftScale = 2.0/3;
static constexpr double m_fRightScale = 1.0/3;
// Shifts left/right for of-pie subcharts
static constexpr double m_fLeftShift = -0.75;
static constexpr double m_fRightShift = 0.75;
// Height of bar-of-pie bar
static constexpr double m_fFullBarHeight = 1.0;
// Bar-of-pie bar left side position
static constexpr double m_fBarLeft = 0.75;
// Bar-of-pie bar right side position
static constexpr double m_fBarRight = 1.25;
PiePositionHelper m_aPosHelper;
bool m_bUseRings;
bool m_bSizeExcludesLabelsAndExplodedSegments;
::css::chart2::PieChartSubType m_eSubType;
struct PieLabelInfo
{
PieLabelInfo();
bool moveAwayFrom( const PieLabelInfo* pFix, const css::awt::Size& rPageSize
, bool bMoveHalfWay, bool bMoveClockwise );
rtl::Reference< SvxShapeText > xTextShape;
rtl::Reference< SvxShapeGroupAnyD > xLabelGroupShape;
::basegfx::B2IVector aFirstPosition;
::basegfx::B2IVector aOuterPosition;
::basegfx::B2IVector aOrigin;
double fValue;
bool bMovementAllowed;
bool bMoved;
bool bShowLeaderLine;
rtl::Reference<SvxShapeGroupAnyD> xTextTarget;
PieLabelInfo* pPrevious;
PieLabelInfo* pNext;
css::awt::Point aPreviousPosition;
};
std::vector< PieLabelInfo > m_aLabelInfoList;
double m_fMaxOffset; /// cached max offset value (init'ed to NaN)
};
} //namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
