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Diffstat (limited to 'qfunctionconfigurator/qfunctionconfigurator.cpp')
| -rw-r--r-- | qfunctionconfigurator/qfunctionconfigurator.cpp | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/qfunctionconfigurator/qfunctionconfigurator.cpp b/qfunctionconfigurator/qfunctionconfigurator.cpp deleted file mode 100644 index bcb895ec..00000000 --- a/qfunctionconfigurator/qfunctionconfigurator.cpp +++ /dev/null @@ -1,440 +0,0 @@ -/* Copyright (c) 2012-2015 Stanislaw Halik <sthalik@misaki.pl> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - */ - -#include "opentrack/options.hpp" -using namespace options; -#include "qfunctionconfigurator/qfunctionconfigurator.h" -#include <QPainter> -#include <QPaintEvent> -#include <QPen> -#include <QPixmap> -#include <cmath> -#include <algorithm> - -static const int pointSize = 5; - -QFunctionConfigurator::QFunctionConfigurator(QWidget *parent) : - QWidget(parent), - _config(nullptr), - moving_control_point_idx(-1), - _draw_function(true) -{ - update_range(); - setMouseTracking(true); -} - -void QFunctionConfigurator::setConfig(Map* config, const QString& name) { - mem<QSettings> iniFile = group::ini_file(); - if (name != "") - config->loadSettings(*iniFile, name); - _config = config; - _draw_function = true; - update_range(); - update(); -} - -void QFunctionConfigurator::drawBackground() -{ - if (!_config) - return; - _background = QPixmap(width(), height()); - - QPainter painter(&_background); - painter.fillRect(rect(), QColor::fromRgb(204, 204, 204)); - - QColor bg_color(112, 154, 209); - if (!isEnabled()) - bg_color = QColor(176,176,180); - painter.fillRect(pixel_bounds, bg_color); - - QFont font; - font.setPointSize(8); - painter.setFont(font); - QFontMetrics metrics(font); - - QColor color__(176, 190, 209, 127); - - if (!isEnabled()) - color__ = QColor(70, 90, 100, 96); - - QPen pen(color__, 1, Qt::SolidLine); - - const int xstep = 10, ystep = 10; - const double maxx = _config->maxInput(); - const double maxy = _config->maxOutput(); - - // horizontal grid - for (int i = 0; i < maxy; i += xstep) - { - double y = pixel_bounds.height() - i * c.y() + pixel_bounds.y(); - drawLine(&painter, - QPointF(pixel_bounds.x(), y), - QPointF(pixel_bounds.x() + pixel_bounds.width(), y), - pen); - painter.drawText(QRectF(10, - y - metrics.height()/2, - pixel_bounds.left(), - metrics.height()), - QString::number(i)); - } - - { - const double i = maxy; - double y = pixel_bounds.height() - i * c.y() + pixel_bounds.y(); - drawLine(&painter, - QPointF(pixel_bounds.x(), y), - QPointF(pixel_bounds.x() + pixel_bounds.width(), y), - pen); - painter.drawText(QRectF(10, - y - metrics.height()/2, - pixel_bounds.x() - 10, - metrics.height()), - QString::number(i)); - } - - // vertical grid - for (int i = 0; i < maxx; i += ystep) - { - double x = pixel_bounds.x() + i * c.x(); - drawLine(&painter, - QPointF(x, pixel_bounds.y()), - QPointF(x, pixel_bounds.y() + pixel_bounds.height()), - pen); - const QString text = QString::number(i); - painter.drawText(QRectF(x - metrics.width(text)/2, - pixel_bounds.height() + 10 + metrics.height(), - metrics.width(text), - metrics.height()), - text); - } - { - const double i = maxx; - double x = pixel_bounds.x() + i * c.x(); - drawLine(&painter, - QPointF(x, pixel_bounds.y()), - QPointF(x, pixel_bounds.y() + pixel_bounds.height()), - pen); - const QString text = QString::number(i); - painter.drawText(QRectF(x - metrics.width(text)/2, - pixel_bounds.height() + 10 + metrics.height(), - metrics.width(text), - metrics.height()), - text); - } -} - -void QFunctionConfigurator::drawFunction() -{ - if (!_config) - return; - - _function = QPixmap(_background); - QPainter painter(&_function); - painter.setRenderHint(QPainter::Antialiasing, true); - - QList<QPointF> points = _config->getPoints(); - - const int alpha = !isEnabled() ? 64 : 120; - for (int i = 0; i < points.size(); i++) { - drawPoint(&painter, - point_to_pixel(points[i]), - QColor(200, 200, 210, alpha), - isEnabled() ? QColor(50, 100, 120, 200) : QColor(200, 200, 200, 96)); - } - - QColor color = spline_color; - - if (!isEnabled()) - { - const int avg = 176; - auto color_ = color; - color = QColor(color_.red() * .5 + avg * .5, - color_.green() * .5 + avg * .5, - color_.blue() * .5 + avg * .5, - 96); - } - - QPen pen(color, 1.2, Qt::SolidLine); - - const double max = _config->maxInput(); - const double step = std::max(1e-2, max / 1000.); - - QPointF prev = point_to_pixel(QPointF(0, 0)); - for (double i = 0; i < max; i += step) { - double val = _config->getValue(i); - QPointF cur = point_to_pixel(QPointF(i, val)); - drawLine(&painter, prev, cur, pen); - prev = cur; - } -} - -void QFunctionConfigurator::paintEvent(QPaintEvent *e) -{ - QPainter p(this); - - if (_background.isNull()) - { - _draw_function = true; - drawBackground(); - } - - if (_draw_function) { - _draw_function = false; - drawFunction(); - } - - p.drawPixmap(e->rect(), _function); - - if (_config) { - QPen pen(Qt::white, 1, Qt::SolidLine); - QList<QPointF> points = _config->getPoints(); - if (points.size() && moving_control_point_idx >= 0 && moving_control_point_idx < points.size()) { - if (points[0].x() > 1e-2) - points.prepend(QPointF(0, 0)); - QPointF prev = point_to_pixel(points[0]); - for (int i = 1; i < points.size(); i++) { - auto tmp = point_to_pixel(points[i]); - drawLine(&p, prev, tmp, pen); - prev = tmp; - } - } - - // If the Tracker is active, the 'Last Point' it requested is recorded. - // Show that point on the graph, with some lines to assist. - // This new feature is very handy for tweaking the curves! - QPointF last; - if (_config->getLastPoint(last) && isEnabled()) { - QPointF pixel_pos = point_to_pixel(last); - drawPoint(&p, pixel_pos, QColor(255, 0, 0, 120)); - } - } -} - -void QFunctionConfigurator::drawPoint(QPainter *painter, const QPointF &pos, QColor colBG, QColor border) -{ - painter->save(); - painter->setPen(border); - painter->setBrush( colBG ); - painter->drawEllipse(QRectF(pos.x() - pointSize, - pos.y() - pointSize, - pointSize*2, pointSize*2)); - painter->restore(); -} - -void QFunctionConfigurator::drawLine(QPainter *painter, const QPointF &start, const QPointF &end, QPen &pen) -{ - painter->save(); - painter->setPen(pen); - painter->setBrush(Qt::NoBrush); - painter->drawLine(start, end); - painter->restore(); -} - -void QFunctionConfigurator::mousePressEvent(QMouseEvent *e) -{ - if (!_config || !isEnabled()) - return; - QList<QPointF> points = _config->getPoints(); - if (e->button() == Qt::LeftButton) { - bool bTouchingPoint = false; - moving_control_point_idx = -1; - if (_config) { - for (int i = 0; i < points.size(); i++) { - if (point_within_pixel(points[i], e->pos())) { - bTouchingPoint = true; - moving_control_point_idx = i; - break; - } - } - if (!bTouchingPoint) { - bool too_close = false; - const auto pos = e->pos(); - - for (int i = 0; i < points.size(); i++) - { - const QPointF pt = point_to_pixel(points[i]); - const auto x = pt.x() - pos.x(); - if (point_closeness_limit * point_closeness_limit >= x * x) - { - too_close = true; - break; - } - } - - if (!too_close) - _config->addPoint(pixel_coord_to_point(e->pos())); - } - } - } - - if (e->button() == Qt::RightButton) { - if (_config) { - int found_pt = -1; - for (int i = 0; i < points.size(); i++) { - if (point_within_pixel(points[i], e->pos())) { - found_pt = i; - break; - } - } - - if (found_pt != -1) { - _config->removePoint(found_pt); - } - moving_control_point_idx = -1; - } - } - _draw_function = true; - update(); -} - -void QFunctionConfigurator::mouseMoveEvent(QMouseEvent *e) -{ - if (!_config || !isEnabled()) - return; - - QList<QPointF> points = _config->getPoints(); - - if (moving_control_point_idx != -1 && moving_control_point_idx < points.size()) { - setCursor(Qt::ClosedHandCursor); - - bool overlap = false; - - QPoint pix = e->pos(); - QPointF new_pt = pixel_coord_to_point(pix); - - for (int i = 0; i < 2; i++) - { - bool bad = false; - if (moving_control_point_idx + 1 < points.size()) - { - auto other = points[moving_control_point_idx+1]; - auto other_pix = point_to_pixel(other); - bad = pix.x() + point_closeness_limit > other_pix.x(); - if (i == 0 && bad) - { - pix.setX(other_pix.x() - point_closeness_limit - 1); - new_pt = pixel_coord_to_point(pix); - } - else - overlap |= bad; - } - if (moving_control_point_idx != 0) - { - auto other = points[moving_control_point_idx-1]; - auto other_pix = point_to_pixel(other); - bad = pix.x() - point_closeness_limit < other_pix.x(); - if (i == 0 && bad) - { - pix.setX(other_pix.x() + point_closeness_limit + 1); - new_pt = pixel_coord_to_point(pix); - } - else - overlap |= bad; - } - if (!bad) - break; - } - - if (!overlap) - { - points[moving_control_point_idx] = new_pt; - _config->movePoint(moving_control_point_idx, new_pt); - _draw_function = true; - update(); - } - } - else { - bool is_on_point = false; - for (int i = 0; i < points.size(); i++) { - const QPoint pos = e->pos(); - if (point_within_pixel(points[i], pos)) { - is_on_point = true; - break; - } - } - - if (is_on_point) { - setCursor(Qt::OpenHandCursor); - } - else { - setCursor(Qt::ArrowCursor); - } - } -} - -void QFunctionConfigurator::mouseReleaseEvent(QMouseEvent *e) -{ - if (!_config || !isEnabled()) - return; - - if (e->button() == Qt::LeftButton) { - mouseMoveEvent(e); - setCursor(Qt::ArrowCursor); - moving_control_point_idx = -1; - - _draw_function = true; - update(); - } -} - -void QFunctionConfigurator::update_range() -{ - if (!_config) - return; - - const double w = width(), h = height(); - const double mwl = 40, mhl = 20; - const double mwr = 15, mhr = 35; - - pixel_bounds = QRectF(mwl, mhl, (w - mwl - mwr), (h - mhl - mhr)); - c = QPointF(pixel_bounds.width() / _config->maxInput(), pixel_bounds.height() / _config->maxOutput()); - _draw_function = true; - - _background = QPixmap(); - _function = QPixmap(); - - update(); -} - -bool QFunctionConfigurator::point_within_pixel(const QPointF &pt, const QPointF &pixel) -{ - QPointF pixel2 = point_to_pixel(pt); - return pixel2.x() >= pixel.x() - pointSize && pixel2.x() < pixel.x() + pointSize && - pixel2.y() >= pixel.y() - pointSize && pixel2.y() < pixel.y() + pointSize; -} - -QPointF QFunctionConfigurator::pixel_coord_to_point(const QPointF& point) -{ - if (!_config) - return QPointF(-1, -1); - - double x = (point.x() - pixel_bounds.x()) / c.x(); - double y = (pixel_bounds.height() - point.y() + pixel_bounds.y()) / c.y(); - - if (x < 0) - x = 0; - if (x > _config->maxInput()) - x = _config->maxInput(); - - if (y < 0) - y = 0; - if (y > _config->maxOutput()) - y = _config->maxOutput(); - - return QPointF(x, y); -} - -QPointF QFunctionConfigurator::point_to_pixel(const QPointF& point) -{ - return QPointF(pixel_bounds.x() + point.x() * c.x(), - pixel_bounds.y() + pixel_bounds.height() - point.y() * c.y()); -} - -void QFunctionConfigurator::resizeEvent(QResizeEvent *) -{ - update_range(); -} |