Engauge Digitizer 2
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BackgroundStateCurve.cpp
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1/******************************************************************************************************
2 * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *
3 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
4 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *
5 ******************************************************************************************************/
6
11#include "FilterImage.h"
12#include "GraphicsScene.h"
13#include "GraphicsView.h"
14#include "Logger.h"
15#include <QPixmap>
16#include "Transformation.h"
17
24
26{
27 LOG4CPP_INFO_S ((*mainCat)) << "BackgroundStateCurve::begin";
28
29 setImageVisible (true);
30}
31
33{
34 LOG4CPP_INFO_S ((*mainCat)) << "BackgroundStateCurve::end";
35
36 setImageVisible (false);
37}
38
40{
41 LOG4CPP_INFO_S ((*mainCat)) << "BackgroundStateCurve::fitInView";
42
43 view.fitInView (imageItem ().boundingRect());
44}
45
46void BackgroundStateCurve::processImageFromSavedInputs (bool isGnuplot,
47 const Transformation &transformation,
48 const DocumentModelGridRemoval &modelGridRemoval,
49 const DocumentModelColorFilter &modelColorFilter,
50 const QString &curveSelected)
51{
52 LOG4CPP_INFO_S ((*mainCat)) << "BackgroundStateCurve::processImageFromSavedInputs";
53
54 // Use the settings if the selected curve is known
55 if (!curveSelected.isEmpty()) {
56
57 // Generate filtered image
58 FilterImage filterImage;
59 QPixmap pixmapFiltered = filterImage.filter (isGnuplot,
60 m_pixmapOriginal.toImage(),
61 transformation,
62 curveSelected,
63 modelColorFilter,
64 modelGridRemoval);
65
66 setProcessedPixmap (pixmapFiltered);
67
68 } else {
69
70 // Set the image in case BackgroundStateContext::fitInView is called, so the bounding rect is available
71 setProcessedPixmap (m_pixmapOriginal);
72
73 }
74}
75
77 const Transformation &transformation,
78 const DocumentModelGridRemoval &modelGridRemoval,
79 const DocumentModelColorFilter &modelColorFilter,
80 const QString &curveSelected)
81{
82 LOG4CPP_INFO_S ((*mainCat)) << "BackgroundStateCurve::setCurveSelected"
83 << " curve=" << curveSelected.toLatin1().data();
84
85 // Even if m_curveSelected equals curveSelected we update the image, since the transformation
86 // may have changed
87 processImageFromSavedInputs (isGnuplot,
88 transformation,
89 modelGridRemoval,
90 modelColorFilter,
91 curveSelected);
92}
93
95 const Transformation &transformation,
96 const DocumentModelGridRemoval &modelGridRemoval,
97 const DocumentModelColorFilter &modelColorFilter,
98 const QPixmap &pixmapOriginal,
99 const QString &curveSelected)
100{
101 LOG4CPP_INFO_S ((*mainCat)) << "BackgroundStateCurve::setPixmap";
102
103 m_pixmapOriginal = pixmapOriginal;
104 processImageFromSavedInputs (isGnuplot,
105 transformation,
106 modelGridRemoval,
107 modelColorFilter,
108 curveSelected);
109}
110
112{
113 return "BackgroundStateCurve";
114}
115
117 const Transformation &transformation,
118 const DocumentModelGridRemoval &modelGridRemoval,
119 const DocumentModelColorFilter &modelColorFilter,
120 const QString &curveSelected)
121{
122 LOG4CPP_INFO_S ((*mainCat)) << "BackgroundStateCurve::updateColorFilter";
123
124 processImageFromSavedInputs (isGnuplot,
125 transformation,
126 modelGridRemoval,
127 modelColorFilter,
128 curveSelected);
129}
log4cpp::Category * mainCat
Definition Logger.cpp:14
Background image state machine state base class.
QGraphicsPixmapItem & imageItem() const
Graphics image item for the current state.
void setImageVisible(bool visible)
Show/hide background image.
void setProcessedPixmap(const QPixmap &pixmap)
Save the image for this state after it has been processed by the leaf class.
Context class that manages the background image state machine.
virtual void updateColorFilter(bool isGnuplot, const Transformation &transformation, const DocumentModelGridRemoval &modelGridRemoval, const DocumentModelColorFilter &colorFilter, const QString &curveSelected)
Apply color filter settings.
virtual QString state() const
State name for debugging.
virtual void begin()
Method that is called at the exact moment a state is entered. Typically called just after end for the...
BackgroundStateCurve(BackgroundStateContext &context, GraphicsScene &scene)
Single constructor.
virtual void setCurveSelected(bool isGnuplot, const Transformation &transformation, const DocumentModelGridRemoval &modelGridRemoval, const DocumentModelColorFilter &colorFilter, const QString &curveSelected)
Update the currently selected curve name.
virtual void setPixmap(bool isGnuplot, const Transformation &transformation, const DocumentModelGridRemoval &modelGridRemoval, const DocumentModelColorFilter &modelColorFilter, const QPixmap &pixmapOriginal, const QString &curveSelected)
Update the image for this state, after the leaf class processes it appropriately.
virtual void fitInView(GraphicsView &view)
Zoom so background fills the window.
virtual void end()
Method that is called at the exact moment a state is exited. Typically called just before begin for t...
Model for DlgSettingsColorFilter and CmdSettingsColorFilter.
Model for DlgSettingsGridRemoval and CmdSettingsGridRemoval. The settings are unstable until the user...
Filters an image using a combination of color filtering and grid removal.
Definition FilterImage.h:19
QPixmap filter(bool isGnuplot, const QImage &imageUnfiltered, const Transformation &transformation, const QString &curveSelected, const DocumentModelColorFilter &modelColorFilter, const DocumentModelGridRemoval &modelGridRemoval) const
Filter original unfiltered image into filtered pixmap.
Add point and line handling to generic QGraphicsScene.
QGraphicsView class with event handling added. Typically the events are sent to the active digitizing...
Affine transformation between screen and graph coordinates, based on digitized axis points.
#define LOG4CPP_INFO_S(logger)
Definition convenience.h:18