Engauge Digitizer 2
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CallbackDocumentHash.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
8#include "EngaugeAssert.h"
9#include "Logger.h"
10#include "Point.h"
11#include <QCryptographicHash>
12#include "QtToString.h"
13#include "Transformation.h"
14
16 m_documentAxesPointsRequired (documentAxesPointsRequired),
17 m_documentHash (QCryptographicHash::Md5)
18{
19}
20
24
26 const Point &point)
27{
28 // LOG4CPP_DEBUG_S is below
29
30 // Capture all important information about the point into the hash. A single string representing all of the point's details is
31 // created, which can be logged, and then that string is added to the hash
32
33 QString details;
34
35 details += curveName.toLatin1();
36 details += " " + point.identifier ();
37 details += " " + QPointFToString (point.posScreen());
38
39 if (point.hasOrdinal ()) {
40 details += " " + QString::number (point.ordinal ());
41 }
42
43 if (point.isAxisPoint()) {
44
45 switch (m_documentAxesPointsRequired) {
47 // Axis point has same value for both coordinates so we chose one coordinate
48 details += " " + QString::number (point.posGraph().x());
49 break;
50
52 // Axis point has two coordinates
53 details += " " + QPointFToString (point.posGraph());
54 break;
55
57 // Axis point has one coordinate
58 if (point.isXOnly()) {
59
60 details += " " + QString::number (point.posGraph().x());
61
62 } else {
63
64 details += " " + QString::number (point.posGraph().y());
65
66 }
67 break;
68 }
69 }
70
71 LOG4CPP_DEBUG_S ((*mainCat)) << "CallbackDocumentHash::callback details=" << details.toLatin1().data();
72
73 // Add details to hash
74 m_documentHash.addData (details.toLatin1());
75
77}
78
80{
81 return m_documentHash.result ();
82}
CallbackSearchReturn
Return values for search callback methods.
@ CALLBACK_SEARCH_RETURN_CONTINUE
Continue normal execution of the search.
@ DOCUMENT_AXES_POINTS_REQUIRED_3
@ DOCUMENT_AXES_POINTS_REQUIRED_4
@ DOCUMENT_AXES_POINTS_REQUIRED_2
QByteArray DocumentHash
log4cpp::Category * mainCat
Definition Logger.cpp:14
QString QPointFToString(const QPointF &pos)
CallbackSearchReturn callback(const QString &curveName, const Point &point)
Callback method.
CallbackDocumentHash(DocumentAxesPointsRequired documentAxesPointsRequired)
Single constructor.
DocumentHash hash() const
Computed hash value.
Class that represents one digitized point. The screen-to-graph coordinate transformation is always ex...
Definition Point.h:26
QPointF posGraph(ApplyHasCheck applyHasCheck=KEEP_HAS_CHECK) const
Accessor for graph position. Skip check if copying one instance to another.
Definition Point.cpp:395
QPointF posScreen() const
Accessor for screen position.
Definition Point.cpp:404
QString identifier() const
Unique identifier for a specific Point.
Definition Point.cpp:268
double ordinal(ApplyHasCheck applyHasCheck=KEEP_HAS_CHECK) const
Get method for ordinal. Skip check if copying one instance to another.
Definition Point.cpp:386
bool hasOrdinal() const
True if ordinal is defined.
Definition Point.cpp:258
bool isAxisPoint() const
True if point is an axis point. This is used only for sanity checks.
Definition Point.cpp:281
bool isXOnly() const
In DOCUMENT_AXES_POINTS_REQUIRED_4 modes, this is true/false if y/x coordinate is undefined.
Definition Point.cpp:286
#define LOG4CPP_DEBUG_S(logger)
Definition convenience.h:20