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-rw-r--r--spline-widget/functionconfig.cpp2
-rw-r--r--spline-widget/functionconfig.h2
-rw-r--r--spline-widget/qfunctionconfigurator.cpp76
-rw-r--r--spline-widget/qfunctionconfigurator.h20
4 files changed, 43 insertions, 57 deletions
diff --git a/spline-widget/functionconfig.cpp b/spline-widget/functionconfig.cpp
index 03a48b3f..72c3658a 100644
--- a/spline-widget/functionconfig.cpp
+++ b/spline-widget/functionconfig.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2015, Stanislaw Halik <sthalik@misaki.pl>
+/* Copyright (c) 2012-2016, 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,
diff --git a/spline-widget/functionconfig.h b/spline-widget/functionconfig.h
index 9bf1671b..ced6934a 100644
--- a/spline-widget/functionconfig.h
+++ b/spline-widget/functionconfig.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2015, Stanislaw Halik <sthalik@misaki.pl>
+/* Copyright (c) 2012-2016, 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,
diff --git a/spline-widget/qfunctionconfigurator.cpp b/spline-widget/qfunctionconfigurator.cpp
index 8a3eef85..73d6d3c2 100644
--- a/spline-widget/qfunctionconfigurator.cpp
+++ b/spline-widget/qfunctionconfigurator.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2015 Stanislaw Halik <sthalik@misaki.pl>
+/* Copyright (c) 2012-2016 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
@@ -64,13 +64,13 @@ void QFunctionConfigurator::drawBackground()
QPen pen(color__, 1, Qt::SolidLine);
const int xstep = 10, ystep = 10;
- const double maxx = _config->maxInput();
- const double maxy = _config->maxOutput();
+ const double maxx = _config->maxInput() + ystep;
+ const double maxy = _config->maxOutput() + xstep;
// horizontal grid
for (int i = 0; i < maxy; i += xstep)
{
- double y = pixel_bounds.height() - i * c.y() + pixel_bounds.y();
+ const 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),
@@ -82,38 +82,10 @@ void QFunctionConfigurator::drawBackground()
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();
+ const double x = pixel_bounds.x() + i * c.x();
drawLine(&painter,
QPointF(x, pixel_bounds.y()),
QPointF(x, pixel_bounds.y() + pixel_bounds.height()),
@@ -163,13 +135,25 @@ void QFunctionConfigurator::drawFunction()
const double max = _config->maxInput();
const double step = std::max(1e-2, max / 1000.);
+ painter.save();
+ painter.setPen(pen);
+ painter.setBrush(Qt::NoBrush);
+
QPointF prev = point_to_pixel(QPointF(0, 0));
for (double i = 0; i < max; i += step) {
- double val = _config->getValue(i);
+ const double val = _config->getValue(i);
QPointF cur = point_to_pixel(QPointF(i, val));
- drawLine(&painter, prev, cur, pen);
+ painter.drawLine(prev, cur);
prev = cur;
}
+
+ {
+ const double val = _config->getValue(max);
+ QPointF last = point_to_pixel(QPointF(max, val));
+ painter.drawLine(prev, last);
+ }
+
+ painter.restore();
}
void QFunctionConfigurator::paintEvent(QPaintEvent *e)
@@ -219,9 +203,9 @@ void QFunctionConfigurator::drawPoint(QPainter *painter, const QPointF &pos, QCo
painter->save();
painter->setPen(border);
painter->setBrush( colBG );
- painter->drawEllipse(QRectF(pos.x() - pointSize,
- pos.y() - pointSize,
- pointSize*2, pointSize*2));
+ painter->drawEllipse(QRectF(pos.x() - point_size,
+ pos.y() - point_size,
+ point_size*2, point_size*2));
painter->restore();
}
@@ -303,7 +287,7 @@ void QFunctionConfigurator::mouseMoveEvent(QMouseEvent *e)
bool overlap = false;
- QPoint pix = e->pos();
+ QPointF pix = e->pos();
QPointF new_pt = pixel_coord_to_point(pix);
for (int i = 0; i < 2; i++)
@@ -396,14 +380,14 @@ void QFunctionConfigurator::update_range()
_background = QPixmap();
_function = QPixmap();
-
+
update();
}
bool QFunctionConfigurator::point_within_pixel(const QPointF &pt, const QPointF &pixel)
{
QPointF tmp = pixel - point_to_pixel(pt);
- return sqrt(QPointF::dotProduct(tmp, tmp)) < pointSize;
+ return sqrt(QPointF::dotProduct(tmp, tmp)) < point_size;
}
QPointF QFunctionConfigurator::pixel_coord_to_point(const QPointF& point)
@@ -411,13 +395,13 @@ QPointF QFunctionConfigurator::pixel_coord_to_point(const QPointF& point)
if (!_config)
return QPointF(-1, -1);
- int x = (point.x() - pixel_bounds.x()) / c.x();
- int y = (pixel_bounds.height() - point.y() + pixel_bounds.y()) / c.y();
-
+ double x = (point.x() - pixel_bounds.x()) / c.x();
+ double y = (pixel_bounds.height() - point.y() + pixel_bounds.y()) / c.y();
+
if (snap_x > 0)
- x -= x % snap_x;
+ x -= int(x) % snap_x;
if (snap_y > 0)
- y -= y % snap_y;
+ y -= int(y) % snap_y;
if (x < 0)
x = 0;
diff --git a/spline-widget/qfunctionconfigurator.h b/spline-widget/qfunctionconfigurator.h
index ce8208a8..ffd1dd78 100644
--- a/spline-widget/qfunctionconfigurator.h
+++ b/spline-widget/qfunctionconfigurator.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2015 Stanislaw Halik <sthalik@misaki.pl>
+/* Copyright (c) 2012-2016 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
@@ -19,13 +19,12 @@ class SPLINE_WIDGET_EXPORT QFunctionConfigurator : public QWidget
{
Q_OBJECT
Q_PROPERTY(QColor colorBezier READ colorBezier WRITE setColorBezier)
- enum { pointSize = 5 };
public:
QFunctionConfigurator(QWidget *parent = 0);
-
+
Map* config();
void setConfig(Map* config, const QString &name);
-
+
QColor colorBezier() const
{
return spline_color;
@@ -57,23 +56,26 @@ protected:
void resizeEvent(QResizeEvent *) override;
private:
void update_range();
- static constexpr int point_closeness_limit = 12;
QPointF pixel_coord_to_point (const QPointF& point);
- QPointF point_to_pixel (const QPointF& point);
+ QPointF point_to_pixel(const QPointF& point);
Map* _config;
-
+
// bounds of the rectangle user can interact with
QRectF pixel_bounds;
-
+
int moving_control_point_idx;
QPointF c;
QColor spline_color;
-
+
QPixmap _background;
QPixmap _function;
bool _draw_function;
int snap_x, snap_y;
+
+ static constexpr int line_length_pixels = 3;
+ static constexpr int point_size = 5;
+ static constexpr int point_closeness_limit = 12;
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 06:32:06 +0000