7 #include "CmdMediator.h"
8 #include "CmdSettingsColorFilter.h"
9 #include "ColorFilter.h"
10 #include "ColorFilterHistogram.h"
11 #include "ColorConstants.h"
12 #include "DlgFilterThread.h"
13 #include "DlgSettingsColorFilter.h"
14 #include "EngaugeAssert.h"
16 #include "MainWindow.h"
19 #include <QGraphicsLineItem>
20 #include <QGraphicsScene>
21 #include <QGridLayout>
26 #include <QRadioButton>
28 #include "ViewPreview.h"
29 #include "ViewProfile.h"
30 #include "ViewProfileDivider.h"
31 #include "ViewProfileScale.h"
33 const int MINIMUM_DIALOG_WIDTH_COLOR_FILTER = 640;
34 const int MINIMUM_HEIGHT = 500;
38 "DlgSettingsColorFilter",
43 m_modelColorFilterBefore (0),
44 m_modelColorFilterAfter (0)
46 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::DlgSettingsColorFilter";
50 MINIMUM_DIALOG_WIDTH_COLOR_FILTER);
53 DlgSettingsColorFilter::~DlgSettingsColorFilter()
55 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::~DlgSettingsColorFilter";
58 void DlgSettingsColorFilter::createControls (QGridLayout *layout,
int &row)
60 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::createControls";
62 QLabel *labelCurve =
new QLabel (QString (
"%1:").arg (tr (
"Curve Name")));
63 layout->addWidget (labelCurve, row++, 1);
65 m_cmbCurveName =
new QComboBox ();
66 m_cmbCurveName->setWhatsThis (tr (
"Name of the curve that is currently selected for editing"));
67 connect (m_cmbCurveName, SIGNAL (activated (
const QString &)),
this, SLOT (slotCurveName (
const QString &)));
68 layout->addWidget (m_cmbCurveName, row++, 1);
70 QLabel *labelProfile =
new QLabel (QString (
"%1:").arg (tr (
"Filter mode")));
71 layout->addWidget (labelProfile, row++, 1);
73 m_btnIntensity =
new QRadioButton (colorFilterModeToString (COLOR_FILTER_MODE_INTENSITY));
74 m_btnIntensity->setWhatsThis (tr (
"Filter the original image into black and white pixels using the Intensity parameter, "
75 "to hide unimportant information and emphasize important information.\n\n"
76 "The Intensity value of a pixel is computed from the red, green "
77 "and blue components as I = squareroot (R * R + G * G + B * B)"));
78 connect (m_btnIntensity, SIGNAL (released ()),
this, SLOT (slotIntensity ()));
79 layout->addWidget (m_btnIntensity, row++, 1);
81 m_btnForeground =
new QRadioButton (colorFilterModeToString (COLOR_FILTER_MODE_FOREGROUND));
82 m_btnForeground->setWhatsThis (tr (
"Filter the original image into black and white pixels by isolating the foreground from the background, "
83 "to hide unimportant information and emphasize important information.\n\n"
84 "The background color is shown on the left side of the scale bar.\n\n"
85 "The distance of any color (R, G, B) from the background color (Rb, Gb, Bb) is computed as "
86 "F = squareroot ((R - Rb) * (R - Rb) + (G - Gb) * (G - Gb) + (B - Bb)). On the left end of the "
87 "scale, the foreground distance value is zero, and it increases linearly to the maximum on the far right."));
88 connect (m_btnForeground, SIGNAL (released ()),
this, SLOT (slotForeground ()));
89 layout->addWidget (m_btnForeground, row++, 1);
91 m_btnHue =
new QRadioButton (colorFilterModeToString (COLOR_FILTER_MODE_HUE));
92 m_btnHue->setWhatsThis (tr (
"Filter the original image into black and white pixels using the Hue component of the "
93 "Hue, Saturation and Value (HSV) color components, "
94 "to hide unimportant information and emphasize important information."));
95 connect (m_btnHue, SIGNAL (released ()),
this, SLOT (slotHue ()));
96 layout->addWidget (m_btnHue, row++, 1);
98 m_btnSaturation =
new QRadioButton (colorFilterModeToString (COLOR_FILTER_MODE_SATURATION));
99 m_btnSaturation->setWhatsThis (tr (
"Filter the original image into black and white pixels using the Saturation component of the "
100 "Hue, Saturation and Value (HSV) color components, "
101 "to hide unimportant information and emphasize important information."));
102 connect (m_btnSaturation, SIGNAL (released ()),
this, SLOT (slotSaturation ()));
103 layout->addWidget (m_btnSaturation, row++, 1);
105 m_btnValue =
new QRadioButton (colorFilterModeToString (COLOR_FILTER_MODE_VALUE));
106 m_btnValue->setWhatsThis (tr (
"Filter the original image into black and white pixels using the Value component of the "
107 "Hue, Saturation and Value (HSV) color components, "
108 "to hide unimportant information and emphasize important information.\n\n"
109 "The Value component is also called the Lightness."));
110 connect (m_btnValue, SIGNAL (released ()),
this, SLOT (slotValue ()));
111 layout->addWidget (m_btnValue, row++, 1);
118 void DlgSettingsColorFilter::createPreview (QGridLayout *layout,
int &row)
120 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::createPreview";
122 QLabel *labelPreview =
new QLabel (tr (
"Preview"));
123 layout->addWidget (labelPreview, row++, 0, 1, 5);
125 m_scenePreview =
new QGraphicsScene (
this);
127 ViewPreview::VIEW_ASPECT_RATIO_VARIABLE,
129 m_viewPreview->setWhatsThis (tr (
"Preview window that shows how current settings affect the filtering of the original image."));
130 m_viewPreview->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
131 m_viewPreview->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
133 m_viewPreview->setRenderHint(QPainter::Antialiasing);
135 layout->addWidget (m_viewPreview, row++, 0, 1, 5);
138 void DlgSettingsColorFilter::createProfileAndScale (QGridLayout *layout,
int &row)
140 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::createProfileAndScale";
142 const int MINIMUM_VIEW_PROFILE_WIDTH = 70;
144 QLabel *labelProfile =
new QLabel (tr (
"Filter Parameter Histogram Profile"));
145 layout->addWidget (labelProfile, row++, 3);
147 m_sceneProfile =
new QGraphicsScene;
148 m_sceneProfile->setSceneRect(0, 0, PROFILE_SCENE_WIDTH (), PROFILE_SCENE_HEIGHT ());
151 MINIMUM_VIEW_PROFILE_WIDTH);
152 m_viewProfile->setWhatsThis (tr (
"Histogram profile of the selected filter parameter. The two Dividers can be moved back and forth to adjust "
153 "the range of filter parameter values that will be included in the filtered image. The clear portion will "
154 "be included, and the shaded portion will be excluded."));
155 layout->addWidget (m_viewProfile, row, 3, PROFILE_HEIGHT_IN_ROWS (), 1);
156 row += PROFILE_HEIGHT_IN_ROWS ();
159 m_scale->setWhatsThis (tr (
"This read-only box displays a graphical representation of the horizontal axis in the histogram profile above."));
160 m_scale->setAutoFillBackground(
true);
161 layout->addWidget (m_scale, row++, 3, 1, 1);
166 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::createSubPanel";
168 const int EMPTY_COLUMN_WIDTH = 40;
170 QWidget *subPanel =
new QWidget ();
171 QGridLayout *layout =
new QGridLayout (subPanel);
172 subPanel->setLayout (layout);
174 layout->setColumnStretch(0, 0);
175 layout->setColumnMinimumWidth(0, EMPTY_COLUMN_WIDTH);
176 layout->setColumnStretch(1, 0);
177 layout->setColumnMinimumWidth(1, 210);
178 layout->setColumnStretch(2, 0);
179 layout->setColumnMinimumWidth(2, 15);
180 layout->setColumnStretch(3, 1);
181 layout->setColumnMinimumWidth(4, EMPTY_COLUMN_WIDTH);
182 layout->setColumnStretch(4, 0);
184 int rowLeft = 0, rowRight = 0;
185 createControls (layout, rowLeft);
186 createProfileAndScale (layout, rowRight);
188 int row = qMax (rowLeft, rowRight);
189 createPreview (layout, row);
194 QRgb DlgSettingsColorFilter::createThread ()
196 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::createThread";
204 if (m_filterThread == 0) {
209 m_filterThread->start();
212 return rgbBackground;
217 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::handleOk";
221 *m_modelColorFilterBefore,
222 *m_modelColorFilterAfter);
230 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::load";
235 delete m_modelColorFilterBefore;
236 delete m_modelColorFilterAfter;
243 m_cmbCurveName->clear ();
244 m_cmbCurveName->addItem (AXIS_CURVE_NAME);
246 QStringList::const_iterator itr;
247 for (itr = curveNames.begin (); itr != curveNames.end (); itr++) {
249 QString curveName = *itr;
250 m_cmbCurveName->addItem (curveName);
254 m_cmbCurveName->setCurrentText (
mainWindow().selectedGraphCurve());
260 void DlgSettingsColorFilter::loadForCurveName()
262 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::loadForCurveName";
265 QString curveName = m_cmbCurveName->currentText();
268 if (!curveName.isEmpty () && m_modelColorFilterAfter != 0) {
271 ColorFilterMode colorFilterMode = m_modelColorFilterAfter->
colorFilterMode(curveName);
272 m_btnIntensity->setChecked (colorFilterMode == COLOR_FILTER_MODE_INTENSITY);
273 m_btnForeground->setChecked (colorFilterMode == COLOR_FILTER_MODE_FOREGROUND);
274 m_btnHue->setChecked (colorFilterMode == COLOR_FILTER_MODE_HUE);
275 m_btnSaturation->setChecked (colorFilterMode == COLOR_FILTER_MODE_SATURATION);
276 m_btnValue->setChecked (colorFilterMode == COLOR_FILTER_MODE_VALUE);
278 m_scenePreview->clear();
280 m_scenePreview->addPixmap (QPixmap::fromImage (m_imagePreview));
282 QRgb rgbBackground = createThread ();
293 setMinimumHeight (MINIMUM_HEIGHT);
297 void DlgSettingsColorFilter::slotCurveName(
const QString & )
299 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::slotCurveName";
304 void DlgSettingsColorFilter::slotDividerHigh (
double xCenter)
306 m_modelColorFilterAfter->
setHigh (m_cmbCurveName->currentText(),
307 xCenter / (double) PROFILE_SCENE_WIDTH ());
311 void DlgSettingsColorFilter::slotDividerLow (
double xCenter)
313 m_modelColorFilterAfter->
setLow (m_cmbCurveName->currentText(),
314 xCenter / (double) PROFILE_SCENE_WIDTH ());
318 void DlgSettingsColorFilter::slotForeground ()
320 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::slotForeground";
323 COLOR_FILTER_MODE_FOREGROUND);
328 void DlgSettingsColorFilter::slotHue ()
330 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::slotHue";
333 COLOR_FILTER_MODE_HUE);
338 void DlgSettingsColorFilter::slotIntensity ()
340 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::slotIntensity";
343 COLOR_FILTER_MODE_INTENSITY);
348 void DlgSettingsColorFilter::slotSaturation ()
350 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::slotSaturation";
353 COLOR_FILTER_MODE_SATURATION);
366 for (
int xFrom = 0, xTo = xLeft; xFrom < image.width(); xFrom++, xTo++) {
367 for (
int y = 0; y < image.height (); y++) {
369 QColor pixel = image.pixel (xFrom, y);
370 m_imagePreview.setPixel (xTo, y, pixel.rgb());
375 QGraphicsItem *itemPixmap = m_scenePreview->items().at(0);
376 m_scenePreview->removeItem (itemPixmap);
380 m_scenePreview->addPixmap (QPixmap::fromImage (m_imagePreview));
383 void DlgSettingsColorFilter::slotValue ()
385 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::slotValue";
388 COLOR_FILTER_MODE_VALUE);
393 void DlgSettingsColorFilter::updateHistogram()
395 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettingsColorFilter::updateHistogram";
399 const double PEN_WIDTH = 0.0;
401 QString curveName = m_cmbCurveName->currentText();
403 m_sceneProfile->clear();
423 double logMaxBinCount = qLn (maxBinCount);
424 if (logMaxBinCount != 0) {
430 double count0 = 1.0 + histogramBins [bin - 1];
431 double y0 = (PROFILE_SCENE_HEIGHT () - 1.0) * (1.0 - qLn (count0) / logMaxBinCount);
436 double count1 = 1.0 + histogramBins [bin];
437 double y1 = (PROFILE_SCENE_HEIGHT () - 1.0) * (1.0 - qLn (count1) / logMaxBinCount);
439 QGraphicsLineItem *line =
new QGraphicsLineItem (x0, y0, x1, y1);
440 line->setPen (QPen (QBrush (Qt::black), PEN_WIDTH));
441 m_sceneProfile->addItem (line);
448 PROFILE_SCENE_WIDTH (),
449 PROFILE_SCENE_HEIGHT (),
450 PROFILE_SCENE_HEIGHT () * 2.0 / 3.0,
454 PROFILE_SCENE_HEIGHT (),
455 PROFILE_SCENE_WIDTH (),
456 PROFILE_SCENE_HEIGHT () / 3.0,
461 connect (m_dividerLow, SIGNAL (signalMovedLow (
double)), m_dividerHigh, SLOT (slotOtherMoved(
double)));
462 connect (m_dividerHigh, SIGNAL (signalMovedHigh (
double)), m_dividerLow, SLOT (slotOtherMoved(
double)));
465 connect (m_dividerLow, SIGNAL (signalMovedLow (
double)),
this, SLOT (slotDividerLow (
double)));
466 connect (m_dividerHigh, SIGNAL(signalMovedHigh (
double)),
this, SLOT (slotDividerHigh (
double)));
468 if (m_btnForeground->isChecked()) {
471 m_dividerLow->
setX (m_modelColorFilterAfter->
foregroundLow(curveName), FOREGROUND_MIN, FOREGROUND_MAX);
472 m_dividerHigh->
setX (m_modelColorFilterAfter->
foregroundHigh(curveName), FOREGROUND_MIN, FOREGROUND_MAX);
474 }
else if (m_btnIntensity->isChecked()) {
477 m_dividerLow->
setX (m_modelColorFilterAfter->
intensityLow(curveName), INTENSITY_MIN, INTENSITY_MAX);
478 m_dividerHigh->
setX (m_modelColorFilterAfter->
intensityHigh(curveName), INTENSITY_MIN, INTENSITY_MAX);
480 }
else if (m_btnHue->isChecked()) {
483 m_dividerLow->
setX (m_modelColorFilterAfter->
hueLow(curveName), HUE_MIN, HUE_MAX);
484 m_dividerHigh->
setX (m_modelColorFilterAfter->
hueHigh(curveName), HUE_MIN, HUE_MAX);
486 }
else if (m_btnSaturation->isChecked()) {
489 m_dividerLow->
setX (m_modelColorFilterAfter->
saturationLow(curveName), SATURATION_MIN, SATURATION_MAX);
490 m_dividerHigh->
setX (m_modelColorFilterAfter->
saturationHigh(curveName), SATURATION_MIN, SATURATION_MAX);
492 }
else if (m_btnValue->isChecked()) {
495 m_dividerLow->
setX (m_modelColorFilterAfter->
valueLow(curveName), VALUE_MIN, VALUE_MAX);
496 m_dividerHigh->
setX (m_modelColorFilterAfter->
valueHigh(curveName), VALUE_MIN, VALUE_MAX);
500 ENGAUGE_ASSERT (
false);
504 free (histogramBins);
507 void DlgSettingsColorFilter::updatePreview ()
509 LOG4CPP_INFO_S ((*mainCat)) <<
"DlgSettings::updatePreview";
514 QString curveName = m_cmbCurveName->currentText();
516 m_modelColorFilterAfter->
low(curveName),
517 m_modelColorFilterAfter->
high(curveName));
void setBackgroundColor(QRgb rgbBackground)
Save the background color for foreground calculations.
int valueHigh(const QString &curveName) const
Get method for value high.
void generate(const ColorFilter &filter, double histogramBins[], ColorFilterMode colorFilterMode, const QImage &image, int &maxBinCount) const
Generate the histogram.
DocumentModelColorFilter modelColorFilter() const
Get method for DocumentModelColorFilter.
void setColorFilterMode(const QString &curveName, ColorFilterMode colorFilterMode)
Set method for filter mode.
int saturationLow(const QString &curveName) const
Get method for saturation lower bound.
void setX(double x, double xLow, double xHigh)
Set the position by specifying the new x coordinate.
void setCmdMediator(CmdMediator &cmdMediator)
Store CmdMediator for easy access by the leaf class.
int valueLow(const QString &curveName) const
Get method for value low.
QPixmap pixmap() const
Return the image that is being digitized.
Class for filtering image to remove unimportant information.
void slotTransferPiece(int xLeft, QImage image)
Receive processed piece of preview image, to be inserted at xLeft to xLeft+pixmap.width().
void finishPanel(QWidget *subPanel, int minimumWidth=MINIMUM_DIALOG_WIDTH, int minimumHeightOrZero=0)
Add Ok and Cancel buttons to subpanel to get the whole dialog.
virtual void handleOk()
Process slotOk.
int foregroundLow(const QString &curveName) const
Get method for foreground lower bound.
int intensityLow(const QString &curveName) const
Get method for intensity lower bound.
void signalApplyFilter(ColorFilterMode colorFilterMode, double low, double high)
Send filter parameters to DlgFilterThread and DlgFilterWorker for processing.
double low(const QString &curveName) const
Low value of foreground, hue, intensity, saturation or value according to current filter mode normali...
virtual void setSmallDialogs(bool smallDialogs)
If false then dialogs have a minimum size so all controls are visible.
virtual void load(CmdMediator &cmdMediator)
Load settings from Document.
void setHigh(const QString &curveName, double s0To1)
Set the high value for the current filter mode.
Class that modifies QGraphicsView to automatically expand/shrink the view to fit the window...
Model for DlgSettingsColorFilter and CmdSettingsColorFilter.
int hueLow(const QString &curveName) const
Get method for hue lower bound.
Linear horizontal scale, with the spectrum reflecting the active filter parameter.
double high(const QString &curveName) const
High value of foreground, hue, intensity, saturation or value according to current filter mode...
QRgb marginColor(const QImage *image) const
Identify the margin color of the image, which is defined as the most common color in the four margins...
int hueHigh(const QString &curveName) const
Get method for hue higher bound.
void setColorFilterMode(ColorFilterMode colorFilterMode)
Change the gradient type.
int foregroundHigh(const QString &curveName) const
Get method for foreground higher bound.
Divider that can be dragged, in a dialog QGraphicsView.
ColorFilterMode colorFilterMode(const QString &curveName) const
Get method for filter mode.
Class for processing new filter settings. This is based on http://blog.debao.me/2013/08/how-to-use-qt...
void setLow(const QString &curveName, double s0To1)
Set the low value for the current filter mode.
Command for DlgSettingsColorFilter.
virtual void createOptionalSaveDefault(QHBoxLayout *layout)
Let subclass define an optional Save As Default button.
virtual QWidget * createSubPanel()
Create dialog-specific panel to which base class will add Ok and Cancel buttons.
static int MINIMUM_PREVIEW_HEIGHT
Dialog layout constant that guarantees preview has sufficent room.
void enableOk(bool enable)
Let leaf subclass control the Ok button.
DlgSettingsColorFilter(MainWindow &mainWindow)
Single constructor.
Abstract base class for all Settings dialogs.
int intensityHigh(const QString &curveName) const
Get method for intensity higher bound.
Class that generates a histogram according to the current filter.
Class that modifies QGraphicsView to present a two-dimensional profile, with movable dividers for sel...
static int HISTOGRAM_BINS()
Number of histogram bins.
MainWindow & mainWindow()
Get method for MainWindow.
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
int saturationHigh(const QString &curveName) const
Get method for saturation higher bound.
CmdMediator & cmdMediator()
Provide access to Document information wrapped inside CmdMediator.