CTK 0.1.0
The Common Toolkit is a community effort to provide support code for medical image analysis, surgical navigation, and related projects.
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ctkTransferFunctionRepresentation.h
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1/*=========================================================================
2
3 Library: CTK
4
5 Copyright (c) Kitware Inc.
6
7 Licensed under the Apache License, Version 2.0 (the "License");
8 you may not use this file except in compliance with the License.
9 You may obtain a copy of the License at
10
11 http://www.apache.org/licenses/LICENSE-2.0.txt
12
13 Unless required by applicable law or agreed to in writing, software
14 distributed under the License is distributed on an "AS IS" BASIS,
15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 See the License for the specific language governing permissions and
17 limitations under the License.
18
19=========================================================================*/
20
21#ifndef __ctkTransferFunctionRepresentation_h
22#define __ctkTransferFunctionRepresentation_h
23
25#include <QColor>
26#include <QGradient>
27#include <QObject>
28#include <QPainterPath>
29
31#include "ctkPimpl.h"
32#include "ctkTransferFunction.h"
33#include "ctkWidgetsExport.h"
34
36class ctkTransferFunctionRepresentationPrivate;
37
38//-----------------------------------------------------------------------------
40class CTK_WIDGETS_EXPORT ctkTransferFunctionRepresentation: public QObject
41{
42 Q_OBJECT
43 Q_PROPERTY(QColor verticalGradientColor READ verticalGradientColor WRITE setVerticalGradientColor)
44
45public:
49 ctkTransferFunctionRepresentation(ctkTransferFunction* transferFunction, QObject* parent = 0);
51
54
55 inline qreal posX(const ctkControlPoint* cp)const;
56 inline qreal posY(const ctkControlPoint* cp)const;
57 inline QColor color(const ctkControlPoint* cp) const;
58
59 inline qreal posX(const ctkPoint& point)const;
60 inline qreal posY(const ctkPoint& point)const;
61 inline QColor color(const ctkPoint& point) const;
62
63 qreal posX(const qreal& tfX)const;
64 qreal posY(const QVariant& tfV)const;
65 QColor color(const QVariant& tfV) const;
66
67 QPointF mapPointToScene(const ctkControlPoint* cp)const;
68 QPointF mapPointToScene(const ctkPoint& point)const;
69
70 qreal mapXToScene(qreal posX)const;
71 qreal mapYToScene(qreal posY)const;
72 qreal mapXFromScene(qreal ScenePosX)const;
73 qreal mapYFromScene(qreal ScenePosY)const;
74 inline QPointF mapPointFromScene(const QPointF& point)const;
75
78
79 const QPainterPath& curve()const;
80 const QList<QPointF>& points()const;
81 const QGradient& gradient()const;
82
85
86 QColor verticalGradientColor()const;
87 void setVerticalGradientColor(QColor verticalGradientColor);
88
89protected Q_SLOTS:
91
92protected:
93 qreal computeRangeXDiff(const QRectF& rect, qreal rangeX[2]);
94 qreal computeRangeXOffset(qreal rangeX[2]);
95 qreal computeRangeYDiff(const QRectF& rect, const QVariant rangeY[2]);
96 qreal computeRangeYOffset(const QVariant rangeY[2]);
97protected:
98 QScopedPointer<ctkTransferFunctionRepresentationPrivate> d_ptr;
99
100private:
101 Q_DECLARE_PRIVATE(ctkTransferFunctionRepresentation);
102 Q_DISABLE_COPY(ctkTransferFunctionRepresentation);
103};
104
106{
107 return this->posX(cp->x());
108}
110{
111 return this->posY(cp->value());
112}
114{
115 return this->color(cp->value());
116}
117
119{
120 return this->posX(point.X);
121}
123{
124 return this->posY(point.Value);
125}
127{
128 return this->color(point.Value);
129}
130
132{
133 return QPointF(this->mapXFromScene(point.x()),
134 this->mapYFromScene(point.y()));
135}
136
137#endif
void setTransferFunction(ctkTransferFunction *transferFunction)
QPointF mapPointFromScene(const QPointF &point) const
qreal computeRangeYOffset(const QVariant rangeY[2])
qreal posY(const ctkControlPoint *cp) const
qreal mapYFromScene(qreal ScenePosY) const
qreal posY(const QVariant &tfV) const
qreal mapXFromScene(qreal ScenePosX) const
QColor color(const QVariant &tfV) const
QPointF mapPointToScene(const ctkPoint &point) const
QPointF mapPointToScene(const ctkControlPoint *cp) const
qreal mapYToScene(qreal posY) const
ctkTransferFunctionRepresentation(QObject *parent=0)
Construct a representation with no transfer function.
const QPainterPath & curve() const
qreal computeRangeYDiff(const QRectF &rect, const QVariant rangeY[2])
QList< ctkPoint > nonLinearPoints(ctkControlPoint *start, ctkControlPoint *end) const
qreal computeRangeXDiff(const QRectF &rect, qreal rangeX[2])
const QGradient & gradient() const
ctkTransferFunction * transferFunction() const
qreal posX(const ctkControlPoint *cp) const
qreal computeRangeXOffset(qreal rangeX[2])
QScopedPointer< ctkTransferFunctionRepresentationPrivate > d_ptr
qreal mapXToScene(qreal posX) const
QList< ctkPoint > bezierParams(ctkControlPoint *start, ctkControlPoint *end) const
virtual void onTransferFunctionChanged()
qreal posX(const qreal &tfX) const
ctkTransferFunctionRepresentation(ctkTransferFunction *transferFunction, QObject *parent=0)
Construct a representation with transfer function.
QColor color(const ctkControlPoint *cp) const
void setVerticalGradientColor(QColor verticalGradientColor)
const QList< QPointF > & points() const
const QVariant & value() const
const qreal & x() const
QVariant Value