Engauge Digitizer 2
Loading...
Searching...
No Matches
Public Slots | Signals | Public Member Functions | Protected Member Functions | List of all members
DlgSettingsColorFilter Class Reference

Dialog for editing filtering settings. More...

#include <DlgSettingsColorFilter.h>

Inheritance diagram for DlgSettingsColorFilter:
Inheritance graph
Collaboration diagram for DlgSettingsColorFilter:
Collaboration graph

Public Slots

void slotTransferPiece (int xLeft, QImage image)
 Receive processed piece of preview image, to be inserted at xLeft to xLeft+pixmap.width().
 

Signals

void signalApplyFilter (ColorFilterMode colorFilterMode, double low, double high)
 Send filter parameters to DlgFilterThread and DlgFilterWorker for processing.
 

Public Member Functions

 DlgSettingsColorFilter (MainWindow &mainWindow)
 Single constructor.
 
virtual ~DlgSettingsColorFilter ()
 
virtual void createOptionalSaveDefault (QHBoxLayout *layout)
 Let subclass define an optional Save As Default button.
 
virtual QWidgetcreateSubPanel ()
 Create dialog-specific panel to which base class will add Ok and Cancel buttons.
 
virtual void load (CmdMediator &cmdMediator)
 Load settings from Document.
 
virtual void setSmallDialogs (bool smallDialogs)
 If false then dialogs have a minimum size so all controls are visible.
 
- Public Member Functions inherited from DlgSettingsAbstractBase
 DlgSettingsAbstractBase (const QString &title, const QString &dialogName, MainWindow &mainWindow)
 Single constructor.
 
virtual ~DlgSettingsAbstractBase ()
 

Protected Member Functions

virtual void handleOk ()
 Process slotOk.
 
- Protected Member Functions inherited from DlgSettingsAbstractBase
CmdMediatorcmdMediator ()
 Provide access to Document information wrapped inside CmdMediator.
 
void enableOk (bool enable)
 Let leaf subclass control the Ok button.
 
void finishPanel (QWidget *subPanel, int minimumWidth=MINIMUM_DIALOG_WIDTH, int minimumHeightOrZero=0)
 Add Ok and Cancel buttons to subpanel to get the whole dialog.
 
MainWindowmainWindow ()
 Get method for MainWindow.
 
const MainWindowmainWindow () const
 Const get method for MainWindow.
 
void populateColorComboWithoutTransparent (QComboBox &combo)
 Add colors in color palette to combobox, without transparent entry at end.
 
void populateColorComboWithTransparent (QComboBox &combo)
 Add colors in color palette to combobox, with transparent entry at end.
 
void setCmdMediator (CmdMediator &cmdMediator)
 Store CmdMediator for easy access by the leaf class.
 
void setDisableOkAtStartup (bool disableOkAtStartup)
 Override the default Ok button behavior applied in showEvent.
 

Additional Inherited Members

- Static Protected Attributes inherited from DlgSettingsAbstractBase
static int MINIMUM_DIALOG_WIDTH = 380
 Dialog layout constant that guarantees every widget has sufficient room. Can be increased by finishPanel.
 
static int MINIMUM_PREVIEW_HEIGHT = 100
 Dialog layout constant that guarantees preview has sufficent room.
 

Detailed Description

Dialog for editing filtering settings.

Definition at line 29 of file DlgSettingsColorFilter.h.

Constructor & Destructor Documentation

◆ DlgSettingsColorFilter()

DlgSettingsColorFilter::DlgSettingsColorFilter ( MainWindow & mainWindow)

Single constructor.

Definition at line 36 of file DlgSettingsColorFilter.cpp.

36 :
37 DlgSettingsAbstractBase (tr ("Color Filter"),
38 "DlgSettingsColorFilter",
40 m_scenePreview (nullptr),
41 m_viewPreview (nullptr),
42 m_filterThread (nullptr),
43 m_modelColorFilterBefore (nullptr),
44 m_modelColorFilterAfter (nullptr)
45{
46 LOG4CPP_INFO_S ((*mainCat)) << "DlgSettingsColorFilter::DlgSettingsColorFilter";
47
51}
const int MINIMUM_DIALOG_WIDTH_COLOR_FILTER
const int INNER_RADIUS_MIN
log4cpp::Category * mainCat
Definition Logger.cpp:14
Abstract base class for all Settings dialogs.
void finishPanel(QWidget *subPanel, int minimumWidth=MINIMUM_DIALOG_WIDTH, int minimumHeightOrZero=0)
Add Ok and Cancel buttons to subpanel to get the whole dialog.
MainWindow & mainWindow()
Get method for MainWindow.
virtual QWidget * createSubPanel()
Create dialog-specific panel to which base class will add Ok and Cancel buttons.
#define LOG4CPP_INFO_S(logger)
Definition convenience.h:18

◆ ~DlgSettingsColorFilter()

DlgSettingsColorFilter::~DlgSettingsColorFilter ( )
virtual

Definition at line 53 of file DlgSettingsColorFilter.cpp.

54{
55 LOG4CPP_INFO_S ((*mainCat)) << "DlgSettingsColorFilter::~DlgSettingsColorFilter";
56
57 delete m_filterThread;
58}

Member Function Documentation

◆ createOptionalSaveDefault()

void DlgSettingsColorFilter::createOptionalSaveDefault ( QHBoxLayout * layout)
virtual

Let subclass define an optional Save As Default button.

Implements DlgSettingsAbstractBase.

Definition at line 116 of file DlgSettingsColorFilter.cpp.

117{
118}

◆ createSubPanel()

QWidget * DlgSettingsColorFilter::createSubPanel ( )
virtual

Create dialog-specific panel to which base class will add Ok and Cancel buttons.

Implements DlgSettingsAbstractBase.

Definition at line 166 of file DlgSettingsColorFilter.cpp.

167{
168 LOG4CPP_INFO_S ((*mainCat)) << "DlgSettingsColorFilter::createSubPanel";
169
170 const int EMPTY_COLUMN_WIDTH = 40;
171
172 QWidget *subPanel = new QWidget ();
174 subPanel->setLayout (layout);
175
176 layout->setColumnStretch(0, 0); // Empty column
177 layout->setColumnMinimumWidth(0, EMPTY_COLUMN_WIDTH);
178 layout->setColumnStretch(1, 0); // Radio buttons
179 layout->setColumnMinimumWidth(1, 210);
180 layout->setColumnStretch(2, 0); // Empty column to put some space between previous and next columns, so they are not too close
181 layout->setColumnMinimumWidth(2, 15);
182 layout->setColumnStretch(3, 1); // Profile
183 layout->setColumnMinimumWidth(4, EMPTY_COLUMN_WIDTH); // Empty column
184 layout->setColumnStretch(4, 0);
185
186 int rowLeft = 0, rowRight = 0;
187 createControls (layout, rowLeft);
188 createProfileAndScale (layout, rowRight);
189
190 int row = qMax (rowLeft, rowRight);
191 createPreview (layout, row);
192
193 return subPanel;
194}

◆ handleOk()

void DlgSettingsColorFilter::handleOk ( )
protectedvirtual

Process slotOk.

Implements DlgSettingsAbstractBase.

Definition at line 217 of file DlgSettingsColorFilter.cpp.

218{
219 LOG4CPP_INFO_S ((*mainCat)) << "DlgSettingsColorFilter::handleOk";
220
222 cmdMediator ().document(),
223 *m_modelColorFilterBefore,
224 *m_modelColorFilterAfter);
225 cmdMediator ().push (cmd);
226
227 hide ();
228}
Command for DlgSettingsColorFilter.
CmdMediator & cmdMediator()
Provide access to Document information wrapped inside CmdMediator.

◆ load()

void DlgSettingsColorFilter::load ( CmdMediator & cmdMediator)
virtual

Load settings from Document.

Implements DlgSettingsAbstractBase.

Definition at line 230 of file DlgSettingsColorFilter.cpp.

231{
232 LOG4CPP_INFO_S ((*mainCat)) << "DlgSettingsColorFilter::load";
233
235
236 // Flush old data
237 delete m_modelColorFilterBefore;
238 delete m_modelColorFilterAfter;
239
240 // Save new data
241 m_modelColorFilterBefore = new DocumentModelColorFilter (cmdMediator.document().modelColorFilter());
242 m_modelColorFilterAfter = new DocumentModelColorFilter (cmdMediator.document().modelColorFilter());
243
244 // Populate controls. First load curve name combobox. The curve-specific controls get loaded in slotCurveName
245 m_cmbCurveName->clear ();
246 m_cmbCurveName->addItem (AXIS_CURVE_NAME);
248 QStringList::const_iterator itr;
249 for (itr = curveNames.begin (); itr != curveNames.end (); itr++) {
250
251 QString curveName = *itr;
252 m_cmbCurveName->addItem (curveName);
253 }
254
255 // This sets the curve name
256 m_cmbCurveName->setCurrentText (mainWindow().selectedGraphCurve());
257 loadForCurveName();
258
259 enableOk (false); // Disable Ok button since there not yet any changes
260}
const QString AXIS_CURVE_NAME
QStringList curvesGraphsNames() const
See CurvesGraphs::curvesGraphsNames.
Document & document()
Provide the Document to commands, primarily for undo/redo processing.
void setCmdMediator(CmdMediator &cmdMediator)
Store CmdMediator for easy access by the leaf class.
void enableOk(bool enable)
Let leaf subclass control the Ok button.
Model for DlgSettingsColorFilter and CmdSettingsColorFilter.
DocumentModelColorFilter modelColorFilter() const
Get method for DocumentModelColorFilter.
Definition Document.cpp:688
QString selectedGraphCurve() const
Curve name that is currently selected in m_cmbCurve.

◆ setSmallDialogs()

void DlgSettingsColorFilter::setSmallDialogs ( bool smallDialogs)
virtual

If false then dialogs have a minimum size so all controls are visible.

Implements DlgSettingsAbstractBase.

Definition at line 292 of file DlgSettingsColorFilter.cpp.

293{
294 if (!smallDialogs) {
296 }
297}
const int MINIMUM_HEIGHT

◆ signalApplyFilter

void DlgSettingsColorFilter::signalApplyFilter ( ColorFilterMode colorFilterMode,
double low,
double high )
signal

Send filter parameters to DlgFilterThread and DlgFilterWorker for processing.

◆ slotTransferPiece

void DlgSettingsColorFilter::slotTransferPiece ( int xLeft,
QImage image )
slot

Receive processed piece of preview image, to be inserted at xLeft to xLeft+pixmap.width().

Definition at line 360 of file DlgSettingsColorFilter.cpp.

362{
363 // Overwrite one piece of the processed image. This approach is a bit slow because the entire QPixmap
364 // in the QGraphicsScene gets exchanged as part of each update, but that seems to be the only possible
365 // approach when using QGraphicsScene. If not fast enough or there is ugly flicker, we may replace
366 // QGraphicsScene by a simple QWidget and override the paint function - but that approach may get
367 // complicated when resizing the QGraphicsView
368 for (int xFrom = 0, xTo = xLeft; xFrom < image.width(); xFrom++, xTo++) {
369 for (int y = 0; y < image.height (); y++) {
370
371 QColor pixel = image.pixel (xFrom, y);
372 m_imagePreview.setPixel (xTo, y, pixel.rgb());
373 }
374 }
375
376 // Remove old pixmap
377 QGraphicsItem *itemPixmap = m_scenePreview->items().at(0);
378 m_scenePreview->removeItem (itemPixmap);
379 delete itemPixmap;
380
381 // Save new pixmap. Only visible change should be the area covered by the pixels in image
382 m_scenePreview->addPixmap (QPixmap::fromImage (m_imagePreview));
383}

The documentation for this class was generated from the following files: