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/* -*- 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 .
*/
#ifndef INCLUDED_CHART2_SOURCE_INC_CHARTVIEW_EXPLICITSCALEVALUES_HXX
#define INCLUDED_CHART2_SOURCE_INC_CHARTVIEW_EXPLICITSCALEVALUES_HXX
#include <chartview/chartviewdllapi.hxx>
#include <com/sun/star/chart/TimeInterval.hpp>
#include <com/sun/star/chart2/AxisOrientation.hpp>
#include <com/sun/star/chart2/XScaling.hpp>
#include <tools/date.hxx>
#include <vector>
namespace com::sun::star::chart2 { class XScaling; }
namespace chart
{
/** This structure contains the explicit values for a scale like Minimum and Maximum.
See also css::chart2::ScaleData.
*/
struct OOO_DLLPUBLIC_CHARTVIEW ExplicitScaleData
{
ExplicitScaleData();
double Minimum;
double Maximum;
double Origin;
css::chart2::AxisOrientation Orientation;
css::uno::Reference< css::chart2::XScaling > Scaling;
sal_Int32 AxisType;//see css::chart2::AxisType
bool ShiftedCategoryPosition;
sal_Int32 TimeResolution; //constant of type <type>css::chart::TimeUnit</type>
Date NullDate;
};
struct ExplicitSubIncrement
{
ExplicitSubIncrement();
/** Numbers of intervals between two superior ticks. For an axis
this usually means, that <code>IntervalCount - 1</code>
sub-tick-marks are displayed between two superior ticks.
*/
sal_Int32 IntervalCount;
/** If <TRUE/>, the distance between two sub-tick-marks on the
screen is always the same. If <FALSE/>, the distances may
differ depending on the <type>XScaling</type>.
*/
bool PostEquidistant;
};
/** describes how tickmarks are positioned on the scale of an axis.
*/
struct OOO_DLLPUBLIC_CHARTVIEW ExplicitIncrementData
{
ExplicitIncrementData();
/** the following two members are only for date-time axis
*/
css::chart::TimeInterval MajorTimeInterval;
css::chart::TimeInterval MinorTimeInterval;
/** the other members are for *not* date-time axis
*/
/** <member>Distance</member> describes the distance between two
neighboring main tickmarks on a <type>Scale</type> of an axis.
All neighboring main tickmarks have the same constant distance.
<p>If the Scale has a <type>XScaling</type> the <member>Distance</member>
may be measured in two different ways - that is - before or after the
scaling is applied.</p>
<p>On a logarithmic scale for example the distance between two main
tickmarks is typically measured after the scaling is applied:
Distance = log(tick2)-log(tick1)
( log(1000)-log(100)==log(100)-log(10)==log(10)-log(1)==1==Distance ).
The resulting tickmarks will always look equidistant on the screen.
The other possibility is to have a Distance = tick2-tick1 measured constant
before a scaling is applied, which may lead to non equidistant tickmarks
on the screen.</p>
<p><member>PostEquidistant</member> rules whether the <member>Distance</member>
is meant to be a value before or after scaling.</p>
*/
double Distance;
/**
<member>PostEquidistant</member> rules whether the member <member>Distance</member>
describes a distance before or after the scaling is applied.
<p>If <member>PostEquidistant</member> equals <TRUE/> <member>Distance</member>
is given in values after <type>XScaling</type> is applied, thus resulting
main tickmarks will always look equidistant on the screen.
If <member>PostEquidistant</member> equals <FALSE/> <member>Distance</member>
is given in values before <type>XScaling</type> is applied.</p>
*/
bool PostEquidistant;
/** The <member>BaseValue</member> gives a starting point on the scale
to which all further main tickmarks are relatively positioned.
<p>The <member>BaseValue</member> is always a value on the scale before
a possible scaling is applied. If the given value is not valid in the
associated scaling the minimum of the scaling is assumed,
if there is no minimum any other obvious value will be assumed.</p>
<p>E.g.: assume a scale from 0 to 6 with identical scaling.
Further assume this Increment to have Distance==2 and PostEquidistant==false.
Setting BaseValue=0 would lead to main tickmarks 0; 2; 4; 6;
Setting BaseValue=1,3 would lead to main tickmarks 1,3; 3,3; 5,3;
Setting BaseValue=-0,7 would also lead to main tickmarks 1,3; 3,3; 5,3;
And setting BaseValue to 2, -2, 4, -4 etc. in this example
leads to the same result as BaseValue=0.</p>
*/
double BaseValue;
/** <member>SubIncrements</member> describes the positioning of further
sub tickmarks on the scale of an axis.
<p>The first SubIncrement in this sequence determines how the
distance between two neighboring main tickmarks is divided for positioning
of further sub tickmarks. Every following SubIncrement determines the
positions of subsequent tickmarks in relation to their parent tickmarks
given by the preceding SubIncrement.</p>
*/
std::vector< ExplicitSubIncrement > SubIncrements;
};
} //namespace chart
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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