File indexing completed on 2024-06-09 04:18:26
0001 /* 0002 * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved. 0003 * 0004 * This file is part of the KD Chart library. 0005 * 0006 * SPDX-License-Identifier: GPL-2.0-or-later 0007 */ 0008 0009 #ifndef KCHARTCARTESIANCOORDINATEPLANE_P_H 0010 #define KCHARTCARTESIANCOORDINATEPLANE_P_H 0011 0012 // 0013 // W A R N I N G 0014 // ------------- 0015 // 0016 // This file is not part of the KD Chart API. It exists purely as an 0017 // implementation detail. This header file may change from version to 0018 // version without notice, or even be removed. 0019 // 0020 // We mean it. 0021 // 0022 0023 #include "KChartAbstractCoordinatePlane_p.h" 0024 #include "CartesianCoordinateTransformation.h" 0025 #include "KChartCartesianGrid.h" 0026 #include "KChartZoomParameters.h" 0027 0028 #include "KChartMath_p.h" 0029 0030 0031 namespace KChart { 0032 0033 /** 0034 * \internal 0035 */ 0036 class Q_DECL_HIDDEN CartesianCoordinatePlane::Private : public AbstractCoordinatePlane::Private 0037 { 0038 friend class CartesianCoordinatePlane; 0039 public: 0040 explicit Private(); 0041 ~Private() override { } 0042 0043 void initialize() override 0044 { 0045 bPaintIsRunning = false; 0046 coordinateTransformation.axesCalcModeX = Linear; 0047 coordinateTransformation.axesCalcModeY = Linear; 0048 grid = new CartesianGrid(); 0049 } 0050 0051 static Private *get( CartesianCoordinatePlane *plane ) 0052 { 0053 return static_cast< Private * >( plane->d_func() ); 0054 } 0055 0056 bool isVisiblePoint( const AbstractCoordinatePlane * plane, const QPointF& point ) const override 0057 { 0058 QPointF p = point; 0059 const CartesianCoordinatePlane* const ref = 0060 qobject_cast< const CartesianCoordinatePlane* >( 0061 const_cast< AbstractCoordinatePlane* >( plane )->sharedAxisMasterPlane() ); 0062 const CartesianCoordinatePlane* const cartPlane = 0063 dynamic_cast< const CartesianCoordinatePlane* >( plane ); 0064 if ( ref != nullptr && ref != cartPlane ) { 0065 const QPointF logical = ref->translateBack( point ) - cartPlane->visibleDataRange().topLeft() 0066 + ref->visibleDataRange().topLeft(); 0067 p = ref->translate( logical ); 0068 } 0069 const QRectF geo( plane->geometry() ); 0070 return geo.contains( p ); 0071 } 0072 0073 0074 // the coordinate plane will calculate the coordinate transformation: 0075 CoordinateTransformation coordinateTransformation; 0076 0077 bool bPaintIsRunning; 0078 0079 // true after setGridAttributes( Qt::Orientation ) was used, 0080 // false if resetGridAttributes( Qt::Orientation ) was called 0081 bool hasOwnGridAttributesHorizontal; 0082 bool hasOwnGridAttributesVertical; 0083 0084 // true after the first resize event came in 0085 // bool initialResizeEventReceived; 0086 0087 // true if the coordinate plane scales isometrically 0088 // (same scaling ratio from data to screen space for both axes) 0089 bool isometricScaling; 0090 0091 GridAttributes gridAttributesHorizontal; 0092 GridAttributes gridAttributesVertical; 0093 0094 qreal horizontalMin; 0095 qreal horizontalMax; 0096 qreal verticalMin; 0097 qreal verticalMax; 0098 0099 // autoAdjustHorizontalRangeToData determines if and how much the horizontal range is adjusted. 0100 // A value of 100 means that the fixed horizontal range will be used (e.g. set by the user), 0101 // otherwise the value will be the percentage of the diagram's horizontal range that is to be 0102 // left empty (i.e., it resembles the 'gap' between the horizontal extrema and the border of the 0103 // diagram). 0104 unsigned int autoAdjustHorizontalRangeToData; 0105 0106 // autoAdjustVerticalRangeToData determines if and how much the vertical range is adjusted. 0107 // A value of 100 means that the fixed vertical range will be used (e.g. set by the user), 0108 // otherwise the value will be the percentage of the diagram's vertical range that is to be 0109 // left empty (i.e., it resembles the 'gap' between the vertical extrema and the border of the 0110 // diagram). 0111 unsigned int autoAdjustVerticalRangeToData; 0112 bool autoAdjustGridToZoom; 0113 0114 bool fixedDataCoordinateSpaceRelation; 0115 bool xAxisStartAtZero; 0116 QSizeF fixedDataCoordinateSpaceRelationPinnedSize; 0117 ZoomParameters fixedDataCoordinateSpaceRelationPinnedZoom; 0118 0119 DataDimensionsList dimensions; 0120 0121 bool reverseVerticalPlane; 0122 bool reverseHorizontalPlane; 0123 }; 0124 0125 0126 KCHART_IMPL_DERIVED_PLANE(CartesianCoordinatePlane, AbstractCoordinatePlane) 0127 0128 } 0129 0130 #endif /* KCHARTBARDIAGRAM_P_H */