diff options
Diffstat (limited to 'qfunctionconfigurator/qfunctionconfigurator.cpp')
| -rw-r--r-- | qfunctionconfigurator/qfunctionconfigurator.cpp | 415 |
1 files changed, 117 insertions, 298 deletions
diff --git a/qfunctionconfigurator/qfunctionconfigurator.cpp b/qfunctionconfigurator/qfunctionconfigurator.cpp index cd79f23a..755e2f9c 100644 --- a/qfunctionconfigurator/qfunctionconfigurator.cpp +++ b/qfunctionconfigurator/qfunctionconfigurator.cpp @@ -21,97 +21,52 @@ #include <cmath> #include <QTabWidget> #include <QTabBar> +#include <QFontMetrics> static const int pointSize = 5; QFunctionConfigurator::QFunctionConfigurator(QWidget *parent) : QWidget(parent) { - - // - // Defaults, for when the widget has no values different from the domXML() - // - - pPerEGU_Output = 1; // Number of pixels, per EGU - pPerEGU_Input = 4; // Number of pixels, per EGU - gDistEGU_Input = 5; // Distance of gridlines - gDistEGU_Output = 10; // Distance of gridlines - - - // Change compared to BezierConfigurator: X = horizontal (input), Y = vertical (output) - // This will require the Curve-Dialog to be higher (which was the reason it was reversed in the first place..) - range = QRectF(40, 20, MaxInput * pPerEGU_Input, MaxOutput * pPerEGU_Output); - movingPoint = -1; // Index of that same point - - // - // Variables for FunctionConfig - // _config = 0; _draw_background = true; _draw_function = true; - + update_range(); setMouseTracking(true); - -// qDebug() << "QFunctionConfigurator::QFunctionConfigurator object created."; - } -// -// Attach an existing FunctionConfig to the Widget. -// void QFunctionConfigurator::setConfig(FunctionConfig* config, QString settingsFile) { QSettings settings("opentrack"); // Registry settings (in HK_USER) QString currentFile = settings.value ( "SettingsFile", QCoreApplication::applicationDirPath() + "/settings/default.ini" ).toString(); QSettings iniFile( currentFile, QSettings::IniFormat ); // Application settings (in INI-file) - config->loadSettings(iniFile); + config->loadSettings(iniFile); _config = config; - - strSettingsFile = settingsFile; // Remember for Reset() - - setCaption(config->getTitle()); - _draw_function = _draw_background = true; - - setmaxInputEGU(config->maxInput()); - setmaxOutputEGU(config->maxOutput()); - this->update(); } -// -// Load the FunctionConfig (points) from the INI-file. -// void QFunctionConfigurator::loadSettings(QString settingsFile) { QSettings iniFile( settingsFile, QSettings::IniFormat ); // Application settings (in INI-file) - strSettingsFile = settingsFile; // Remember for Reset() if (_config) { _config->loadSettings(iniFile); } } -// -// Save the FunctionConfig (points) to the INI-file. -// void QFunctionConfigurator::saveSettings(QString settingsFile) { QSettings iniFile( settingsFile, QSettings::IniFormat ); // Application settings (in INI-file) - strSettingsFile = settingsFile; // Remember for Reset() if (_config) { _config->saveSettings(iniFile); } } -// -// Draw the Background for the graph, the gridlines and the gridpoints. -// The static objects are drawn on a Pixmap, so it does not have to be repeated every paintEvent. Hope this speeds things up... -// void QFunctionConfigurator::drawBackground() { - int i; - QRect scale; + if (!_config) + return; _background = QPixmap(width(), height()); QPainter painter(&_background); painter.fillRect(rect(), QColor::fromRgb(204, 204, 204)); @@ -122,87 +77,94 @@ void QFunctionConfigurator::drawBackground() QFont font; font.setPointSize(8); painter.setFont(font); + QFontMetrics metrics(font); QPen pen(QColor(55, 104, 170, 127), 1, Qt::SolidLine); - // - // Draw the Caption - // - if (_config) { - strCaption = _config->getTitle(); + const int xstep = 10, ystep = 10; + const int maxx = _config->maxInput(); + const int maxy = _config->maxOutput(); + + // horizontal grid + + for (int i = 0; i < maxx; i += xstep) + { + double y = range.height() - i * c.y() + range.y(); + drawLine(&painter, + QPointF(range.x(), y), + QPointF(range.x() + range.width(), y), + pen); + painter.drawText(QRectF(10, + y - metrics.height()/2, + range.left(), + metrics.height()), + QString::number(i)); } - scale.setCoords(range.left(), 0, range.right(), 20); - painter.drawText(scale, Qt::AlignCenter, strCaption); - - // - // Draw the horizontal grid - // - for (i = range.bottom() - gDistEGU_Output * pPerEGU_Output; i >= range.top(); i -= gDistEGU_Output * pPerEGU_Output) { - drawLine(&painter, QPointF(40, i), QPointF(range.right(), i), pen); - scale.setCoords(0, i - 5, range.left() - 5, i + 5); - painter.drawText(scale, Qt::AlignRight, tr("%1").arg(((range.bottom() - i))/pPerEGU_Output)); + { + const int i = maxx; + double y = range.height() - i * c.y() + range.y(); + drawLine(&painter, + QPointF(range.x(), y), + QPointF(range.x() + range.width(), y), + pen); + painter.drawText(QRectF(10, + y - metrics.height()/2, + range.x() - 10, + metrics.height()), + QString::number(i)); } - // - // Draw the vertical guidelines - // - for (i = range.left(); i <= range.right(); i += gDistEGU_Input * pPerEGU_Input) { - drawLine(&painter, QPointF(i, range.top()), QPointF(i, range.bottom()), pen); - scale.setCoords(i - 10, range.bottom() + 2, i + 10, range.bottom() + 15); - painter.drawText(scale, Qt::AlignCenter, tr("%1").arg(abs(((range.left() - i))/pPerEGU_Input))); + // vertical grid + + for (int i = 0; i < maxy; i += ystep) + { + double x = range.x() + i * c.x(); + drawLine(&painter, + QPointF(x, range.y()), + QPointF(x, range.y() + range.height()), + pen); + const QString text = QString::number(i); + painter.drawText(QRectF(x - metrics.width(text)/2, + range.height() + 10 + metrics.height(), + metrics.width(text), + metrics.height()), + text); + } + { + const int i = maxy; + double x = range.x() + i * c.x(); + drawLine(&painter, + QPointF(x, range.y()), + QPointF(x, range.y() + range.height()), + pen); + const QString text = QString::number(i); + painter.drawText(QRectF(x - metrics.width(text)/2, + range.height() + 10 + metrics.height(), + metrics.width(text), + metrics.height()), + text); } - - scale.setCoords(range.left(), range.bottom() + 20, range.right(), range.bottom() + 35); - painter.drawText(scale, Qt::AlignRight, strInputEGU); - - // - // Draw the EGU of the vertical axis (vertically!) - // - font.setPointSize(10); - painter.translate(range.topLeft().x() - 35, range.topLeft().y()); - painter.rotate(90); - painter.drawText(0,0,strOutputEGU ); - - // - // Draw the two axis - // - pen.setWidth(2); - pen.setColor( Qt::black ); - drawLine(&painter, range.topLeft() - QPointF(2,0), range.bottomLeft() - QPointF(2,0), pen); - drawLine(&painter, range.bottomLeft(), range.bottomRight(), pen); } - -// -// Draw the Function for the graph, on a Pixmap. -// void QFunctionConfigurator::drawFunction() { if (!_config) return; -int i; -QPointF prevPoint; -QPointF currentPoint; - - // - // Use the background picture to draw on. - // ToDo: find out how to add Pixmaps, without getting it all green... - // + int i; + QPointF prevPoint; + QPointF currentPoint; + _function = QPixmap(_background); QPainter painter(&_function); painter.save(); painter.setRenderHint(QPainter::Antialiasing, true); - // - // Draw the handles for the Points - // - QList<QPointF> points = _config->getPoints(); for (i = 0; i < points.size(); i++) { - currentPoint = graphicalizePoint( points[i] ); // Get the next point and convert it to Widget measures + currentPoint = point_to_pixel( points[i] ); // Get the next point and convert it to Widget measures drawPoint(&painter, currentPoint, QColor(200, 200, 210, 120)); lastPoint = currentPoint; // Remember which point is the rightmost in the graph } @@ -210,39 +172,34 @@ QPointF currentPoint; QPen pen(colBezier, 1.2, Qt::SolidLine); - prevPoint = graphicalizePoint( QPointF(0,0) ); // Start at the Axis - double max = maxInputEGU(); - QPointF prev = graphicalizePoint(QPointF(0, 0)); + prevPoint = point_to_pixel( QPointF(0,0) ); // Start at the Axis + double max = _config->maxInput(); + QPointF prev = point_to_pixel(QPointF(0, 0)); const double step = 1.01; for (double i = 0; i < max; i += step) { double val = _config->getValue(i); - QPointF cur = graphicalizePoint(QPointF(i, val)); + QPointF cur = point_to_pixel(QPointF(i, val)); drawLine(&painter, prev, cur, pen); prev = cur; } painter.restore(); } -// -// The Widget paints the surface every x msecs. -// void QFunctionConfigurator::paintEvent(QPaintEvent *e) { -QPointF prevPoint; -QPointF currentPoint; -QPointF actualPos; -int i; - -// qDebug() << "QFunctionConfigurator::paintEvent."; + QPointF prevPoint; + QPointF currentPoint; + QPointF actualPos; + int i; QPainter p(this); p.setRenderHint(QPainter::Antialiasing); if (_draw_background) { - drawBackground(); // Draw the static parts on a Pixmap - p.drawPixmap(e->rect(), _background); // Paint the background + drawBackground(); _draw_background = false; } + p.drawPixmap(e->rect(), _background); if (_draw_function) { drawFunction(); // Draw the Function on a Pixmap @@ -250,33 +207,22 @@ int i; } p.drawPixmap(e->rect(), _function); // Always draw the background and the function - // - // Draw the Points, that make up the Curve - // if (_config) { QPen pen(Qt::white, 1, Qt::SolidLine); QList<QPointF> points = _config->getPoints(); - // - // When moving, also draw a sketched version of the Function. - // if (movingPoint >= 0 && movingPoint < points.size()) { - prevPoint = graphicalizePoint( QPointF(0,0) ); // Start at the Axis + prevPoint = point_to_pixel( QPointF(0,0) ); // Start at the Axis for (i = 0; i < points.size(); i++) { - currentPoint = graphicalizePoint( points[i] ); // Get the next point and convert it to Widget measures + currentPoint = point_to_pixel( points[i] ); // Get the next point and convert it to Widget measures drawLine(&p, prevPoint, currentPoint, pen); prevPoint = currentPoint; -// qDebug() << "QFunctionConfigurator::paintEvent, drawing while moving " << currentPoint; } - - // - // When moving, also draw a few help-lines, so positioning the point gets easier. - // pen.setWidth(1); pen.setColor( Qt::white ); pen.setStyle( Qt::DashLine ); - actualPos = graphicalizePoint(points[movingPoint]); + actualPos = point_to_pixel(points[movingPoint]); drawLine(&p, QPoint(range.left(), actualPos.y()), QPoint(actualPos.x(), actualPos.y()), pen); - drawLine(&p, QPoint(actualPos.x(), actualPos.y()), QPoint(actualPos.x(), range.bottom()), pen); + drawLine(&p, QPoint(actualPos.x(), actualPos.y()), QPoint(actualPos.x(), range.height() + range.top()), pen); } // @@ -285,32 +231,17 @@ int i; // This new feature is very handy for tweaking the curves! // if (_config->getLastPoint( currentPoint )) { - -// qDebug() << "QFunctionConfigurator::paintEvent, drawing tracked Point " << currentPoint; - - actualPos = graphicalizePoint( currentPoint ); + actualPos = point_to_pixel( currentPoint ); drawPoint(&p, actualPos, QColor(255, 0, 0, 120)); pen.setWidth(1); pen.setColor( Qt::black ); pen.setStyle( Qt::SolidLine ); drawLine(&p, QPoint(range.left(), actualPos.y()), QPoint(actualPos.x(), actualPos.y()), pen); - drawLine(&p, QPoint(actualPos.x(), actualPos.y()), QPoint(actualPos.x(), range.bottom()), pen); + drawLine(&p, QPoint(actualPos.x(), actualPos.y()), QPoint(actualPos.x(), range.width()), pen); } } - - // - // Draw the delimiters - // -#if 0 - pen.setWidth(1); - pen.setColor( Qt::white ); - pen.setStyle( Qt::SolidLine ); - drawLine(&p, QPoint(lastPoint.x(), range.top()), QPoint(lastPoint.x(), range.bottom()), pen); - drawLine(&p, QPoint(range.left(), lastPoint.y()), QPoint(range.right(), lastPoint.y()), pen); -#endif - //QTimer::singleShot(50, this, SLOT(update())); } // @@ -336,65 +267,40 @@ void QFunctionConfigurator::drawLine(QPainter *painter, const QPointF &start, co painter->restore(); } -// -// If the mousebutton is pressed, check if it is inside one of the Points. -// If so: start moving that Point, until mouse release. -// void QFunctionConfigurator::mousePressEvent(QMouseEvent *e) { if (!_config) return; QList<QPointF> points = _config->getPoints(); - - // - // First: check the left mouse-button - // if (e->button() == Qt::LeftButton) { - - // - // Check to see if the cursor is touching one of the points. - // bool bTouchingPoint = false; movingPoint = -1; if (_config) { for (int i = 0; i < points.size(); i++) { - if ( markContains( graphicalizePoint( points[i] ), e->pos() ) ) { + if ( point_within_pixel(points[i], e->pos() ) ) { bTouchingPoint = true; movingPoint = i; timer.restart(); break; } } - - // - // If the Left Mouse-button was clicked without touching a Point, add a new Point - // if (!bTouchingPoint) { - _config->addPoint(normalizePoint(e->pos())); + _config->addPoint(pixel_coord_to_point(e->pos())); emit CurveChanged( true ); } } } - // Then: check the right mouse-button - // if (e->button() == Qt::RightButton) { - - // - // Check to see if the cursor is touching one of the points. - // if (_config) { int found_pt = -1; for (int i = 0; i < points.size(); i++) { - if ( markContains( graphicalizePoint( points[i] ), e->pos() ) ) { + if ( point_within_pixel(points[i], e->pos() ) ) { found_pt = i; break; } } - // - // If the Right Mouse-button was clicked while touching a Point, remove the Point - // if (found_pt != -1) { _config->removePoint(found_pt); emit CurveChanged( true ); @@ -402,14 +308,10 @@ void QFunctionConfigurator::mousePressEvent(QMouseEvent *e) movingPoint = -1; } } - _draw_function = _draw_background = true; + _draw_function = true; update(); } -// -// If the mouse if moving, make sure the Bezier moves along. -// Of course, only when a Point is selected... -// void QFunctionConfigurator::mouseMoveEvent(QMouseEvent *e) { if (!_config) @@ -423,10 +325,10 @@ void QFunctionConfigurator::mouseMoveEvent(QMouseEvent *e) if (timer.isValid() && timer.elapsed() > refresh_delay) { timer.restart(); - QPointF new_pt = normalizePoint(e->pos()); + QPointF new_pt = pixel_coord_to_point(e->pos()); points[movingPoint] = new_pt; _config->movePoint(movingPoint, new_pt); - _draw_function = _draw_background = true; + _draw_function = true; update(); } } @@ -434,7 +336,7 @@ void QFunctionConfigurator::mouseMoveEvent(QMouseEvent *e) bool bTouchingPoint = false; if (_config) { for (int i = 0; i < points.size(); i++) { - if ( markContains( graphicalizePoint( points[i] ), e->pos() ) ) { + if ( point_within_pixel(points[i], e->pos() ) ) { bTouchingPoint = true; } } @@ -457,118 +359,52 @@ void QFunctionConfigurator::mouseReleaseEvent(QMouseEvent *e) if (e->button() == Qt::LeftButton) { timer.invalidate(); - //qDebug()<<"releasing"; if (movingPoint >= 0 && movingPoint < points.size()) { emit CurveChanged( true ); - - // - // Update the Point in the _config - // if (_config) { - _config->movePoint(movingPoint, normalizePoint(e->pos())); + _config->movePoint(movingPoint, pixel_coord_to_point(e->pos())); } } setCursor(Qt::ArrowCursor); movingPoint = -1; } - _draw_function = _draw_background = true; + _draw_function = true; update(); } -// -// Determine if the mousebutton was pressed within the range of the Point. -// -bool QFunctionConfigurator::markContains(const QPointF &pos, const QPointF &coord) const +bool QFunctionConfigurator::point_within_pixel(QPointF pt, QPointF pixel) const { - return coord.x() >= pos.x() - pointSize && coord.x() < pos.x() + pointSize && - coord.y() >= pos.y() - pointSize && coord.y() < pos.y() + pointSize; -} - -// Convert the Point in the graph, to the real-life Point. -// -QPointF QFunctionConfigurator::normalizePoint(QPointF point) const -{ - QPointF norm; - - norm.setX( (point.x() - range.left()) / pPerEGU_Input ); - norm.setY( (range.bottom() - point.y()) / pPerEGU_Output ); - - if (norm.x() > maxInputEGU()) - norm.setX(maxInputEGU()); - else if (norm.x() < 0) - norm.setX(0); - if (norm.y() > maxOutputEGU()) - norm.setY(maxOutputEGU()); - else if (norm.y() < 0) - norm.setY(0); - - return norm; + QPointF pixel2(range.x() + pt.x() * c.x(), (range.y() + range.height() - pt.y() * c.y())); + return pixel2.x() >= pixel.x() - pointSize && pixel2.x() < pixel.x() + pointSize && + pixel2.y() >= pixel.y() - pointSize && pixel2.y() < pixel.y() + pointSize; } -// -// Convert the real-life Point into the graphical Point. -// -QPointF QFunctionConfigurator::graphicalizePoint(QPointF point) const +QPointF QFunctionConfigurator::pixel_coord_to_point(QPointF point) const { -QPointF graph; - - graph.setX( range.left() + point.x() * pPerEGU_Input); - graph.setY( range.bottom() - point.y() * pPerEGU_Output); - - return graph; -} + if (!_config) + return QPointF(-1, -1); -void QFunctionConfigurator::setmaxInputEGU(int value) -{ - MaxInput = value; - resize( MaxInput * pPerEGU_Input + 55, MaxOutput * pPerEGU_Output + 60 ); -} -void QFunctionConfigurator::setmaxOutputEGU(int value) -{ - MaxOutput = value; -// resetCurve(); - resize( MaxInput * pPerEGU_Input + 55, MaxOutput * pPerEGU_Output + 60 ); -} + double x = (point.x() - range.x()) / c.x(); + double y = (range.height() - point.y() + range.y()) / c.y(); -// -// To make configuration more visibly attractive, the number of pixels 'per EGU' can be defined. -// -void QFunctionConfigurator::setpixPerEGU_Input(int value) -{ - pPerEGU_Input = value; - resize( MaxInput * pPerEGU_Input + 55, MaxOutput * pPerEGU_Output + 60 ); -} + if (x < 0) + x = 0; + if (x > _config->maxInput()) + x = _config->maxInput(); -// -// To make configuration more visibly attractive, the number of pixels 'per EGU' can be defined. -// -void QFunctionConfigurator::setpixPerEGU_Output(int value) -{ - pPerEGU_Output = value; - resize( MaxInput * pPerEGU_Input + 55, MaxOutput * pPerEGU_Output + 60 ); -} + if (y < 0) + y = 0; + if (y > _config->maxOutput()) + y = _config->maxOutput(); -// -// Define the distance of the grid 'in EGU' points. -// -void QFunctionConfigurator::setgridDistEGU_Input(int value) -{ - gDistEGU_Input = value; - _draw_background = true; - _draw_function = true; - repaint(); + return QPointF(x, y); } -// -// Define the distance of the grid 'in EGU' points. -// -void QFunctionConfigurator::setgridDistEGU_Output(int value) +QPointF QFunctionConfigurator::point_to_pixel(QPointF point) const { - gDistEGU_Output = value; - _draw_background = true; - _draw_function = true; - repaint(); + return QPointF(range.x() + point.x() * c.x(), + range.y() + range.height() - point.y() * c.y()); } void QFunctionConfigurator::setColorBezier(QColor color) @@ -577,27 +413,10 @@ void QFunctionConfigurator::setColorBezier(QColor color) update(); } -void QFunctionConfigurator::setInputEGU(QString egu) -{ - strInputEGU = egu; - update(); -} -void QFunctionConfigurator::setOutputEGU(QString egu) -{ - strOutputEGU = egu; - update(); -} -void QFunctionConfigurator::setCaption(QString cap) -{ - strCaption = cap; - update(); -} - void QFunctionConfigurator::resizeEvent(QResizeEvent *) { - range = QRectF(40, 20, MaxInput * pPerEGU_Input, MaxOutput * pPerEGU_Output); - _draw_background = true; _draw_function = true; + update_range(); repaint(); } |