Engauge Digitizer 2
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CmdAddScale.cpp
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1/******************************************************************************************************
2 * (C) 2017 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
7#include "CmdAddScale.h"
8#include "Document.h"
9#include "DocumentSerialize.h"
10#include "EngaugeAssert.h"
11#include "Logger.h"
12#include "MainWindow.h"
13#include "QtToString.h"
14#include <QXmlStreamReader>
15#include "Xml.h"
16
17const QString CMD_DESCRIPTION ("Add scale point");
18
21 const QPointF &posScreen0,
22 const QPointF &posScreen1,
23 double scaleLength,
24 double ordinal0,
25 double ordinal1) :
29 m_posScreen0 (posScreen0),
30 m_posScreen1 (posScreen1),
31 m_scaleLength (scaleLength),
32 m_ordinal0 (ordinal0),
33 m_ordinal1 (ordinal1)
34{
35 LOG4CPP_INFO_S ((*mainCat)) << "CmdAddScale::CmdAddScale"
36 << " posScreen0=" << QPointFToString (posScreen0).toLatin1 ().data ()
37 << " posScreen1=" << QPointFToString (posScreen1).toLatin1 ().data ()
38 << " scaleLength=" << scaleLength
39 << " ordinal0=" << ordinal0
40 << " ordinal1=" << ordinal1;
41}
42
45 const QString &cmdDescription,
46 QXmlStreamReader &reader) :
49 cmdDescription)
50{
51 LOG4CPP_INFO_S ((*mainCat)) << "CmdAddScale::CmdAddScale";
52
53 QXmlStreamAttributes attributes = reader.attributes();
54
55 QStringList requiredAttributesLeaf;
56 requiredAttributesLeaf << DOCUMENT_SERIALIZE_SCREEN_X
65 leafAndBaseAttributes (attributes,
66 requiredAttributesLeaf,
67 reader);
68
69 m_posScreen0.setX(attributes.value(DOCUMENT_SERIALIZE_SCREEN_X).toDouble());
70 m_posScreen0.setY(attributes.value(DOCUMENT_SERIALIZE_SCREEN_Y).toDouble());
71 m_posScreen1.setX(attributes.value(DOCUMENT_SERIALIZE_SCREEN_X1).toDouble());
72 m_posScreen1.setY(attributes.value(DOCUMENT_SERIALIZE_SCREEN_Y1).toDouble());
73 m_scaleLength = attributes.value(DOCUMENT_SERIALIZE_SCALE_LENGTH).toDouble();
74 m_identifierAdded0 = attributes.value(DOCUMENT_SERIALIZE_IDENTIFIER).toString();
75 m_identifierAdded1 = attributes.value(DOCUMENT_SERIALIZE_IDENTIFIER1).toString();
76 m_ordinal0 = attributes.value(DOCUMENT_SERIALIZE_ORDINAL).toDouble();
77 m_ordinal1 = attributes.value(DOCUMENT_SERIALIZE_ORDINAL1).toDouble();
78}
79
83
85{
86 LOG4CPP_INFO_S ((*mainCat)) << "CmdAddScale::cmdRedo";
87
88 restoreState ();
92 m_posScreen1,
93 m_scaleLength,
94 m_identifierAdded0,
95 m_identifierAdded1,
96 m_ordinal0,
97 m_ordinal1);
98 document().updatePointOrdinals (mainWindow().transformation());
101}
102
113
114void CmdAddScale::saveXml (QXmlStreamWriter &writer) const
115{
116 // For time coordinates, many digits of precision are needed since a typical date is 1,246,870,000 = July 6, 2009
117 // and we want seconds of precision
118 const char FORMAT = 'g';
119 const int PRECISION = 16;
120
121 writer.writeStartElement(DOCUMENT_SERIALIZE_CMD);
123 writer.writeAttribute(DOCUMENT_SERIALIZE_CMD_DESCRIPTION, QUndoCommand::text ());
124 writer.writeAttribute(DOCUMENT_SERIALIZE_SCREEN_X, QString::number (m_posScreen0.x()));
125 writer.writeAttribute(DOCUMENT_SERIALIZE_SCREEN_Y, QString::number (m_posScreen0.y()));
126 writer.writeAttribute(DOCUMENT_SERIALIZE_SCREEN_X1, QString::number (m_posScreen1.x()));
127 writer.writeAttribute(DOCUMENT_SERIALIZE_SCREEN_Y1, QString::number (m_posScreen1.y()));
128 writer.writeAttribute(DOCUMENT_SERIALIZE_SCALE_LENGTH, QString::number (m_scaleLength, FORMAT, PRECISION));
129 writer.writeAttribute(DOCUMENT_SERIALIZE_IDENTIFIER, m_identifierAdded0);
130 writer.writeAttribute(DOCUMENT_SERIALIZE_IDENTIFIER1, m_identifierAdded1);
131 writer.writeAttribute(DOCUMENT_SERIALIZE_ORDINAL, QString::number (m_ordinal0));
132 writer.writeAttribute(DOCUMENT_SERIALIZE_ORDINAL1, QString::number (m_ordinal1));
133 baseAttributes (writer);
134 writer.writeEndElement();
135}
const QString CMD_DESCRIPTION("Add axis point")
const QString CMD_DESCRIPTION("Add scale point")
const QString DOCUMENT_SERIALIZE_SCREEN_X1
const QString DOCUMENT_SERIALIZE_IDENTIFIER
const QString DOCUMENT_SERIALIZE_CMD_ADD_SCALE
const QString DOCUMENT_SERIALIZE_ORDINAL1
const QString DOCUMENT_SERIALIZE_SCREEN_Y
const QString DOCUMENT_SERIALIZE_CMD
const QString DOCUMENT_SERIALIZE_ORDINAL
const QString DOCUMENT_SERIALIZE_SCREEN_X
const QString DOCUMENT_SERIALIZE_CMD_TYPE
const QString DOCUMENT_SERIALIZE_CMD_DESCRIPTION
const QString DOCUMENT_SERIALIZE_SCALE_LENGTH
const QString DOCUMENT_SERIALIZE_SCREEN_Y1
const QString DOCUMENT_SERIALIZE_IDENTIFIER1
log4cpp::Category * mainCat
Definition Logger.cpp:14
QString QPointFToString(const QPointF &pos)
Document & document()
Return the Document that this command will modify during redo and undo.
MainWindow & mainWindow()
Return the MainWindow so it can be updated by this command as a last step.
void saveOrCheckPostCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
void restoreState()
Before any other operations associated with a Cmd class are performed, this method is called to resto...
void saveOrCheckPreCommandDocumentStateHash(const Document &document)
Save, when called the first time, a hash value representing the state of the Document.
void leafAndBaseAttributes(const QXmlStreamAttributes &attributes, const QStringList &requiredAttributesLeaf, QXmlStreamReader &reader)
Before reading leaf class attributes, check all required attributes from leaf and this base class are...
void baseAttributes(QXmlStreamWriter &writer) const
After writing leaf class attributes, this writes the base class atributes.
virtual void cmdRedo()
Redo method that is called when QUndoStack is moved one command forward.
virtual ~CmdAddScale()
CmdAddScale(MainWindow &mainWindow, Document &document, const QPointF &posScreen0, const QPointF &posScreen1, double scaleLength, double ordinal0, double ordinal1)
Constructor for normal creation.
virtual void cmdUndo()
Undo method that is called when QUndoStack is moved one command backward.
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
void saveDocumentState(const Document &document)
Save the document state for restoration by restoreDocumentState.
void restoreDocumentState(Document &document) const
Restore the document previously saved by saveDocumentState.
CmdPointChangeBase(MainWindow &mainWindow, Document &document, const QString &cmdDescription)
Single constructor.
Storage of one imported image and the data attached to that image.
Definition Document.h:44
void updatePointOrdinals(const Transformation &transformation)
Update point ordinals after point addition/removal or dragging.
void addScaleWithGeneratedIdentifier(const QPointF &posScreen0, const QPointF &posScreen1, double scaleLength, QString &identifier0, QString &identifier1, double ordinal0, double ordinal1)
Add scale with a generated point identifier.
Definition Document.cpp:234
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition MainWindow.h:95
void updateAfterCommand()
See GraphicsScene::updateAfterCommand.
#define LOG4CPP_INFO_S(logger)
Definition convenience.h:18