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307 lines
12 KiB
307 lines
12 KiB
/*
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KDChart - a multi-platform charting engine
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*/
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/****************************************************************************
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** Copyright (C) 2001-2003 Klarälvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KDChart library.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid commercial KDChart licenses may use this file in
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** accordance with the KDChart Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.klaralvdalens-datakonsult.se/?page=products for
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** information about KDChart Commercial License Agreements.
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**
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** Contact info@klaralvdalens-datakonsult.se if any conditions of this
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** licensing are not clear to you.
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**
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**********************************************************************/
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#ifndef __KDCHARTENUMS_H__
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#define __KDCHARTENUMS_H__
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#include <tqrect.h>
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#include <tqpointarray.h>
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#include "KDChartGlobal.h"
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#include <tqobject.h>
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/** \file KDChartEnums.h
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\brief Definition of global enums.
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*/
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/**
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Project global class providing some enums needed both by KDChartParams
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and by KDChartCustomBox.
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*/
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class KDCHART_EXPORT KDChartEnums :public TQObject
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{
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TQ_OBJECT
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TQ_ENUMS( TextLayoutPolicy )
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TQ_ENUMS( AreaName )
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TQ_ENUMS( PositionFlag )
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public:
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/**
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Text layout policy: what to do if text that is to be drawn would
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cover neighboring text or neighboring areas.
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\li \c LayoutJustOverwrite Just ignore the layout collision and write the text nevertheless.
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\li \c LayoutPolicyRotate Try counter-clockwise rotation to make the text fit into the space.
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\li \c LayoutPolicyShiftVertically Shift the text baseline upwards (or downwards, resp.) and draw a connector line between the text and its anchor.
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\li \c LayoutPolicyShiftHorizontally Shift the text baseline to the left (or to the right, resp.) and draw a connector line between the text and its anchor.
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\li \c LayoutPolicyShrinkFontSize Reduce the text font size.
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\sa KDChartParams::setPrintDataValues
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*/
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enum TextLayoutPolicy { LayoutJustOverwrite,
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LayoutPolicyRotate,
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LayoutPolicyShiftVertically,
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LayoutPolicyShiftHorizontally,
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LayoutPolicyShrinkFontSize };
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/**
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Converts the specified text layout policy enum to a
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string representation.
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\param type the text layout policy to convert
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\return the string representation of the text layout policy enum
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*/
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static TQString layoutPolicyToString( TextLayoutPolicy type ) {
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switch( type ) {
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case LayoutJustOverwrite:
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return "JustOverwrite";
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case LayoutPolicyRotate:
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return "Rotate";
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case LayoutPolicyShiftVertically:
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return "ShiftVertically";
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case LayoutPolicyShiftHorizontally:
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return "ShiftHorizontally";
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case LayoutPolicyShrinkFontSize:
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return "ShrinkFontSize";
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default: // should not happen
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tqDebug( "Unknown text layout policy" );
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return "JustOverwrite";
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}
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}
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/**
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Number notation specifies the general way, how a number is to be shown.
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\li \c NumberNotationDecimal Traditional way of writing a decimal number.
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\li \c NumberNotationScientific Exponential notation, with exactly one non-zero digit to the left of the decimal.
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\li \c NumberNotationScientificBig Same as \c NumberNotationScientific, but using 'E' instead of 'e'.
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\sa KDChartAxisParams::setAxisLabelsNotation
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*/
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enum NumberNotation { NumberNotationDecimal,
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NumberNotationScientific,
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NumberNotationScientificBig };
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/**
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Converts the specified number notation enum to a
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string representation.
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\param notation the number notation to convert
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\return the string representation of the number notation enum
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*/
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static TQString numberNotationToString( NumberNotation notation ) {
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switch( notation ) {
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case NumberNotationDecimal:
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return "NumberNotationDecimal";
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case NumberNotationScientific:
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return "NumberNotationScientific";
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case NumberNotationScientificBig:
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return "NumberNotationScientificBig";
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default: // should not happen
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tqDebug( "Unknown text number notation" );
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return "NumberNotationDecimal";
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}
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}
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/**
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Converts the specified string to a number notation enum value.
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\param string the string to convert
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\return the number notation enum value
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*/
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static NumberNotation stringToNumberNotation( const TQString& notation ) {
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if( notation == "NumberNotationDecimal" )
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return NumberNotationDecimal;
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else if( notation == "NumberNotationScientific" )
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return NumberNotationScientific;
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else if( notation == "NumberNotationScientificBig" )
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return NumberNotationScientificBig;
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else // default, should not happen
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return NumberNotationDecimal;
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}
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/**
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Converts the specified string to a text layout policy enum value.
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\param string the string to convert
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\return the text layout policy enum value
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*/
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static TextLayoutPolicy stringToLayoutPolicy( const TQString& string ) {
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if( string == "JustOverwrite" )
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return LayoutJustOverwrite;
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else if( string == "Rotate" )
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return LayoutPolicyRotate;
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else if( string == "ShiftVertically" )
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return LayoutPolicyShiftVertically;
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else if( string == "ShiftHorizontally" )
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return LayoutPolicyShiftHorizontally;
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else if( string == "ShrinkFontSize" )
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return LayoutPolicyShrinkFontSize;
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else // default, should not happen
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return LayoutJustOverwrite;
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}
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/**
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Areas of the chart that may have their own backgrounds
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and/or may be surrounded by a simple or complex border.
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\li \c AreaData surrounding the data area
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\li \c AreaAxes surrounding the axes but leaving out the data area
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\li \c AreaDataAxes surrounding the data+axes area
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\li \c AreaLegend surrounding the legend area
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\li \c AreaDataAxesLegend surrounding the data+axes+legend area
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\li \c AreaHeaders surrounding the headers area
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\li \c AreaFooters surrounding the footers area
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\li \c AreaDataAxesLegendHeadersFooters surrounding the data+axes+legend+headers+footers area
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\li \c AreaInnermost covering the complete drawing area but <b>not</b> covering the global left/top/right/bottom leading
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\li \c AreaOutermost covering the complete drawing area including the global left/top/right/bottom leading
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\li \c AreaChartDataRegion covering the area used to display one data entry (i.e. one point, bar, line, pie slice,...).
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The respective data coordinates are specified by additional parameters, this is used by
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KDChartCustomBox where you have the parameters \c dataRow, \c dataCol, \c data3rd.
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In addition there is a special value specifying a <b>list</b> of regions:
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\li \c AreasCustomBoxes specifies many small areas surrounding all the custom boxes that you might have added to the chart,
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this is useful in case you want to specify some default frame settings to be used for all custom boxes
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not having frame settings of their own.
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Finally there are three special values that you may use to specify
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a single axis area (or a header/footer area, or a custom box area resp.).
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Just add the number of the axis (or header/footer, or custom box resp.)
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to the respective base value:
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\li \c AreaAxisBASE value to be added to the axis number in case you want to specify a single axis area,
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e.g. for specifying the area of the left ordinate axis just type <b>AreaAxisBASE + AxisPosLeft</b>.
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\li \c AreaHdFtBASE value to be added to the header/footer number in case you want to specify a single header (or footer, resp.) area,
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e.g. for specifying the area of the main header just type <b>AreaHdFtBASE + HdFtPosHeader</b>.
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\li \c AreaCustomBoxBASE value to be added to the number of a custom box that you might have added to your chart,
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e.g. for specifying the area a custom box you have added to the chart
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(let us assume the index of that box is in \c boxIdx1) just type <b>AreaCustBoxBASE + boxIdx1</b>.
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\sa KDChartParams::setSimpleFrame, KDChartParams::setFrame
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\sa KDChartParams::insertCustomBox, KDChartCustomBox
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*/
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enum AreaName { AreaUNKNOWN = 0x0000,
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AreaData = 0x0001,
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AreaAxes = 0x0002,
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AreaDataAxes = 0x0003,
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AreaLegend = 0x0004,
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AreaDataAxesLegend = 0x0005,
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AreaHeaders = 0x0006,
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AreaFooters = 0x0007,
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AreaDataAxesLegendHeadersFooters = 0x0008,
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AreaInnermost = 0x0009,
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AreaOutermost = 0x000a,
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AreaChartDataRegion = 0x000b,
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AreasCustomBoxes = 0x000d,
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AreaAxisBASE = 0x1000,
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AreaHdFtBASE = 0x2000,
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AreaCustomBoxesBASE = 0x4000,
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AreaBASEMask = 0xF000 };
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/**
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The general position flag to specify a point of
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an area, for example this could be the anchor point
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which an annotation box should be aligned to.
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The following picture shows the different positions:
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\image html "../refman_images/positions.png"
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\image latex "../refman_images/positions.png" "the PositionFlag enum" width=4in
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\note The position and alignment of content to be printed at (or
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inside of, resp.) an area or a point -- like for printing data value texts next
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to their graphical representations (which might be a bar, line, pie slice,...) --
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is specified by two parameters: a \c PositionFlag and a uint holding a combination of \c TQt::AlignmentFlags.
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Remember that TQt::AlignmentFlags are used to specify <b>with which edge</b> something
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is to be aligned to its anchor, e.g. \c AlignLeft means align with the left edge.
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The position of content and the way it is aligned to this
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position is shown in the following drawing, note that annotation #2 and annotation #3
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share the same PositionFlag but have different alignment flags set:
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\image html "../refman_images/alignment.png"
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\image latex "../refman_images/alignment.png" "positioning and aligning" width=4in
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\sa KDChartParams::setPrintDataValues
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*/
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enum PositionFlag { PosTopLeft =0, PosTopCenter =1, PosTopRight =2,
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PosCenterLeft=3, PosCenter =4, PosCenterRight=5,
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PosBottomLeft=6, PosBottomCenter=7, PosBottomRight=8 };
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/**
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Returns the point representing a position of a rectangle.
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*/
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static TQPoint positionFlagToPoint( const TQRect& rect,
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PositionFlag pos );
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/**
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Returns the point representing a position of a corresponding
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TQPointArray.
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\note The array \c points <b>must</b> have at least nine elements.
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*/
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static TQPoint positionFlagToPoint( const TQPointArray& points,
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PositionFlag pos )
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{
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TQPoint pt;
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if( 9 <= points.size() )
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pt = points[ pos ];
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return pt;
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}
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/**
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Converts the specified content position enum to a
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string representation.
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\param type the content position to convert
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\return the string representation of the type enum
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*/
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static TQString positionFlagToString( PositionFlag type );
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/**
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Converts the specified string to a content position enum value.
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\param string the string to convert
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\return the content position enum value
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*/
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static PositionFlag stringToPositionFlag( const TQString& string );
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};
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#endif
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