· · ·
item-text.h
1 /***************************************************************************
2 ** **
3 ** QCustomPlot, an easy to use, modern plotting widget for Qt **
4 ** Copyright (C) 2011, 2012, 2013, 2014 Emanuel Eichhammer **
5 ** **
6 ** This program is free software: you can redistribute it and/or modify **
7 ** it under the terms of the GNU General Public License as published by **
8 ** the Free Software Foundation, either version 3 of the License, or **
9 ** (at your option) any later version. **
10 ** **
11 ** This program is distributed in the hope that it will be useful, **
12 ** but WITHOUT ANY WARRANTY; without even the implied warranty of **
13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
14 ** GNU General Public License for more details. **
15 ** **
16 ** You should have received a copy of the GNU General Public License **
17 ** along with this program. If not, see http://www.gnu.org/licenses/. **
18 ** **
19 ****************************************************************************
20 ** Author: Emanuel Eichhammer **
21 ** Website/Contact: http://www.qcustomplot.com/ **
22 ** Date: 07.04.14 **
23 ** Version: 1.2.1 **
24 ****************************************************************************/
25
26 #ifndef QCP_ITEM_TEXT_H
27 #define QCP_ITEM_TEXT_H
28
29 #include "../global.h"
30 #include "../item.h"
31
32 class QCPPainter;
33 class QCustomPlot;
34
35 class QCP_LIB_DECL QCPItemText : public QCPAbstractItem
36 {
37 Q_OBJECT
39 Q_PROPERTY(QColor color READ color WRITE setColor)
40 Q_PROPERTY(QColor selectedColor READ selectedColor WRITE setSelectedColor)
41 Q_PROPERTY(QPen pen READ pen WRITE setPen)
42 Q_PROPERTY(QPen selectedPen READ selectedPen WRITE setSelectedPen)
43 Q_PROPERTY(QBrush brush READ brush WRITE setBrush)
44 Q_PROPERTY(QBrush selectedBrush READ selectedBrush WRITE setSelectedBrush)
45 Q_PROPERTY(QFont font READ font WRITE setFont)
46 Q_PROPERTY(QFont selectedFont READ selectedFont WRITE setSelectedFont)
47 Q_PROPERTY(QString text READ text WRITE setText)
48 Q_PROPERTY(Qt::Alignment positionAlignment READ positionAlignment WRITE setPositionAlignment)
49 Q_PROPERTY(Qt::Alignment textAlignment READ textAlignment WRITE setTextAlignment)
50 Q_PROPERTY(double rotation READ rotation WRITE setRotation)
51 Q_PROPERTY(QMargins padding READ padding WRITE setPadding)
53 public:
54 QCPItemText(QCustomPlot *parentPlot);
55 virtual ~QCPItemText();
56
57 // getters:
58 QColor color() const { return mColor; }
59 QColor selectedColor() const { return mSelectedColor; }
60 QPen pen() const { return mPen; }
61 QPen selectedPen() const { return mSelectedPen; }
62 QBrush brush() const { return mBrush; }
63 QBrush selectedBrush() const { return mSelectedBrush; }
64 QFont font() const { return mFont; }
65 QFont selectedFont() const { return mSelectedFont; }
66 QString text() const { return mText; }
67 Qt::Alignment positionAlignment() const { return mPositionAlignment; }
68 Qt::Alignment textAlignment() const { return mTextAlignment; }
69 double rotation() const { return mRotation; }
70 QMargins padding() const { return mPadding; }
71
72 // setters;
73 void setColor(const QColor &color);
74 void setSelectedColor(const QColor &color);
75 void setPen(const QPen &pen);
76 void setSelectedPen(const QPen &pen);
77 void setBrush(const QBrush &brush);
78 void setSelectedBrush(const QBrush &brush);
79 void setFont(const QFont &font);
80 void setSelectedFont(const QFont &font);
81 void setText(const QString &text);
82 void setPositionAlignment(Qt::Alignment alignment);
83 void setTextAlignment(Qt::Alignment alignment);
84 void setRotation(double degrees);
85 void setPadding(const QMargins &padding);
86
87 // reimplemented virtual methods:
88 virtual double selectTest(const QPointF &pos, bool onlySelectable, QVariant *details=0) const;
89
90 QCPItemPosition * const position;
91 QCPItemAnchor * const topLeft;
92 QCPItemAnchor * const top;
93 QCPItemAnchor * const topRight;
94 QCPItemAnchor * const right;
95 QCPItemAnchor * const bottomRight;
96 QCPItemAnchor * const bottom;
97 QCPItemAnchor * const bottomLeft;
98 QCPItemAnchor * const left;
99
100 protected:
101 enum AnchorIndex {aiTopLeft, aiTop, aiTopRight, aiRight, aiBottomRight, aiBottom, aiBottomLeft, aiLeft};
102
103 // property members:
104 QColor mColor, mSelectedColor;
105 QPen mPen, mSelectedPen;
106 QBrush mBrush, mSelectedBrush;
107 QFont mFont, mSelectedFont;
108 QString mText;
109 Qt::Alignment mPositionAlignment;
110 Qt::Alignment mTextAlignment;
111 double mRotation;
112 QMargins mPadding;
113
114 // reimplemented virtual methods:
115 virtual void draw(QCPPainter *painter);
116 virtual QPointF anchorPixelPoint(int anchorId) const;
117
118 // non-virtual methods:
119 QPointF getTextDrawPoint(const QPointF &pos, const QRectF &rect, Qt::Alignment positionAlignment) const;
120 QFont mainFont() const;
121 QColor mainColor() const;
122 QPen mainPen() const;
123 QBrush mainBrush() const;
124 };
125
126 #endif // QCP_ITEM_TEXT_H
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