You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
361 lines
12 KiB
361 lines
12 KiB
/*
|
|
"qtSimpleGraph" - Проект для изучения машинной графики на основе последовательного рисования примитивов
|
|
|
|
Copyright (c) 2020 Проскурнев Артем Сергеевич
|
|
|
|
Этот файл — часть проекта qtSimpleGraph.
|
|
|
|
qtSimpleGraph - свободная программа: вы можете перераспространять ее и/или
|
|
изменять ее на условиях Стандартной общественной лицензии GNU в том виде,
|
|
в каком она была опубликована Фондом свободного программного обеспечения;
|
|
либо версии 3 лицензии, либо (по вашему выбору) любой более поздней
|
|
версии.
|
|
|
|
Весы распространяется в надежде, что она будет полезной,
|
|
но БЕЗО ВСЯКИХ ГАРАНТИЙ; даже без неявной гарантии ТОВАРНОГО ВИДА
|
|
или ПРИГОДНОСТИ ДЛЯ ОПРЕДЕЛЕННЫХ ЦЕЛЕЙ. Подробнее см. в Стандартной
|
|
общественной лицензии GNU.
|
|
|
|
Вы должны были получить копию Стандартной общественной лицензии GNU
|
|
вместе с этой программой. Если это не так, см.
|
|
<http://www.gnu.org/licenses/>.
|
|
|
|
This file is part of qtSimpleGraph.
|
|
|
|
qtSimpleGraph is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Vesi is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Vesi. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "qtsgraph.h"
|
|
|
|
void QTSGraph::Delay(int ms)
|
|
{
|
|
QTime dieTime= QTime::currentTime().addMSecs(ms);
|
|
while (QTime::currentTime() < dieTime)
|
|
QCoreApplication::processEvents(QEventLoop::AllEvents, 50);
|
|
}
|
|
|
|
void QTSGraph::Ellipse(int x1, int y1, int x2, int y2)
|
|
{
|
|
QPainter painter(&Canvas);
|
|
painter.setPen(Pen);
|
|
painter.setBrush(Brush);
|
|
if(y1 > y2) std::swap(y1, y2);
|
|
if(x1 > x2) std::swap(x1, x2);
|
|
if(SwapYAxis) painter.drawEllipse(x1, Canvas.height() - y1 - abs(y2 - y1) - 1, abs(x2-x1), abs(y2-y1));
|
|
else painter.drawEllipse(x1, y1, abs(x2-x1), abs(y2-y1));
|
|
update();
|
|
}
|
|
|
|
QRgb QTSGraph::GetPixel(int x, int y)
|
|
{
|
|
if(SwapYAxis) y = Canvas.height() - y - 1;
|
|
return Canvas.toImage().pixelColor(x, y).rgba() % 0x1000000;
|
|
}
|
|
|
|
QTSGraph::QTSGraph(int w, int h, int x, int y, QWidget *parent)
|
|
: QMainWindow(parent)
|
|
{
|
|
if(x < 0 || y < 0)
|
|
{
|
|
QDesktopWidget desktop;
|
|
QRect rect = desktop.availableGeometry(desktop.primaryScreen()); // прямоугольник с размерами экрана
|
|
QPoint center = rect.center(); //координаты центра экрана
|
|
x = center.x() - w / 2;
|
|
y = center.y() - h / 2;
|
|
}
|
|
this->setGeometry(x, y, w, h);
|
|
this->setMinimumHeight(h);
|
|
this->setMinimumWidth(w);
|
|
this->setMaximumHeight(h);
|
|
this->setMaximumWidth(w);
|
|
this->setWindowTitle("Рисунок");
|
|
Canvas = QPixmap(w, h);
|
|
Canvas.fill(Qt::white);
|
|
QRgb DefaultColor = 0x00000000;
|
|
Pen = QPen(QBrush(QColor(DefaultColor)), 1);
|
|
Font = QFont();
|
|
Brush = QBrush(QColor(DefaultColor),Qt::NoBrush);
|
|
ResetInterval = 1000;
|
|
ResetTimer = new QTimer();
|
|
connect(ResetTimer, SIGNAL(timeout()), this, SLOT(slotResetTimer()));
|
|
ResetTimer->start(ResetInterval);
|
|
|
|
StartTimer = new QTimer();
|
|
connect(StartTimer, SIGNAL(timeout()), this, SLOT(slotStartTimer()));
|
|
StartTimer->start(500);
|
|
}
|
|
|
|
QTSGraph::~QTSGraph()
|
|
{
|
|
// Деструктор
|
|
}
|
|
|
|
void QTSGraph::ShowAxes()
|
|
{
|
|
AxesVisible = true;
|
|
}
|
|
|
|
void QTSGraph::HideAxes()
|
|
{
|
|
AxesVisible = false;
|
|
}
|
|
|
|
void QTSGraph::Circle(int x, int y, int radius)
|
|
{
|
|
QPainter painter(&Canvas);
|
|
painter.setPen(Pen);
|
|
painter.setBrush(Brush);
|
|
if(SwapYAxis) painter.drawEllipse(x - radius, Canvas.height() - (y - radius) - (radius * 2) - 1, radius * 2, radius * 2);
|
|
else painter.drawEllipse(x - radius, y - radius, radius * 2, radius * 2);
|
|
update();
|
|
}
|
|
|
|
bool QTSGraph::MouseClicked()
|
|
{
|
|
QCoreApplication::processEvents(QEventLoop::AllEvents, 50);
|
|
bool m = EventMouseClicked;
|
|
EventMouseClicked = false;
|
|
return m;
|
|
}
|
|
|
|
void QTSGraph::OutTextXY(int x, int y, std::string caption)
|
|
{
|
|
QPainter painter(&Canvas);
|
|
painter.setPen(Pen);
|
|
painter.setFont(Font);
|
|
double r, b, sa, ca, sb, cb, xn, yn;
|
|
if(SwapYAxis) y = Canvas.height() - y - 1;
|
|
b = TextDirection*3.14159/180;
|
|
r = sqrt(x * x + y * y);
|
|
sa = y / r;
|
|
ca = x / r;
|
|
sb = sin(b);
|
|
cb = cos(b);
|
|
xn = r * (ca * cb - sa * sb);
|
|
yn = r * (sa * cb + sb * ca);
|
|
painter.translate(x - xn, y - yn);
|
|
painter.rotate(TextDirection);
|
|
painter.drawText(x, y, QString::fromStdString(caption));
|
|
update();
|
|
}
|
|
|
|
void QTSGraph::PutPixel(int x, int y, QRgb c, int PenWidth)
|
|
{
|
|
QPainter painter(&Canvas);
|
|
painter.setPen(QPen(QBrush(QColor(c)), PenWidth));
|
|
if(SwapYAxis) painter.drawPoint(x, Canvas.height() - y - 1);
|
|
else painter.drawPoint(x, y);
|
|
update();
|
|
}
|
|
|
|
int QTSGraph::ReadKey()
|
|
{
|
|
if(IDPressedKey == -1)
|
|
{
|
|
while(!KeyPressed() && this->isVisible())
|
|
Delay(1);
|
|
}
|
|
int t = IDPressedKey;
|
|
IDPressedKey = -1;
|
|
return t;
|
|
}
|
|
|
|
int QTSGraph::ReadMouseButton()
|
|
{
|
|
if(IDMouseButton == -1)
|
|
{
|
|
while(!MouseClicked() && this->isVisible())
|
|
Delay(1);
|
|
}
|
|
int t = IDMouseButton;
|
|
IDMouseButton = -1;
|
|
return t;
|
|
}
|
|
|
|
void QTSGraph::Rectangle(int x1, int y1, int x2, int y2)
|
|
{
|
|
QPainter painter(&Canvas);
|
|
painter.setPen(Pen);
|
|
painter.setBrush(Brush);
|
|
if(y1 > y2) std::swap(y1, y2);
|
|
if(x1 > x2) std::swap(x1, x2);
|
|
if(SwapYAxis) painter.drawRect(x1, Canvas.height() - y1 - abs(y2 - y1) - 1, x2 - x1, y2 - y1);
|
|
else painter.drawRect(x1, y1, x2 - x1, y2 - y1);
|
|
update();
|
|
}
|
|
|
|
void QTSGraph::SetColor(const QColor &c)
|
|
{
|
|
Pen.setColor(c);
|
|
}
|
|
|
|
void QTSGraph::SetColor(const QRgb c)
|
|
{
|
|
Pen.setColor(QColor(c));
|
|
}
|
|
|
|
void QTSGraph::SetFillStyle(int Pattern, QRgb Color)
|
|
{
|
|
Brush.setStyle(Qt::BrushStyle(Pattern));
|
|
Brush.setColor(QColor(Color));
|
|
}
|
|
|
|
void QTSGraph::SetPenStyle(int PenWidth, int PenStyle)
|
|
{
|
|
Pen.setWidth(PenWidth);
|
|
Pen.setStyle(Qt::PenStyle(PenStyle));
|
|
}
|
|
|
|
void QTSGraph::SetPenWidth(int PenWidth)
|
|
{
|
|
Pen.setWidth(PenWidth);
|
|
}
|
|
|
|
void QTSGraph::SetTextStyle(int idFont, int Direction, int CharSize)
|
|
{
|
|
QString f;
|
|
if(idFont == 0) f = "serif";
|
|
else if(idFont == 1) f = "sans";
|
|
else if(idFont == 3) f = "mono";
|
|
TextDirection = Direction;
|
|
Font.setFamily(f);
|
|
Font.setPointSize(CharSize);
|
|
}
|
|
|
|
void QTSGraph::Line(int x1, int y1, int x2, int y2)
|
|
{
|
|
QPainter painter(&Canvas);
|
|
painter.setPen(Pen);
|
|
if(SwapYAxis) painter.drawLine(x1, Canvas.height() - y1 - 1, x2, Canvas.height() - y2 - 1);
|
|
else painter.drawLine(x1, y1, x2, y2);
|
|
update();
|
|
}
|
|
|
|
bool QTSGraph::KeyPressed()
|
|
{
|
|
QCoreApplication::processEvents(QEventLoop::AllEvents, 50);
|
|
bool m = EventKeyPressed;
|
|
EventKeyPressed = false;
|
|
return m;
|
|
}
|
|
|
|
void QTSGraph::slotStartTimer()
|
|
{
|
|
StartTimer->stop();
|
|
PaintBox();
|
|
}
|
|
|
|
void QTSGraph::slotResetTimer()
|
|
{
|
|
ResetTimer->stop();
|
|
EventKeyPressed = false;
|
|
EventMouseClicked = false;
|
|
}
|
|
|
|
void QTSGraph::paintEvent(QPaintEvent *event)
|
|
{
|
|
QPainter p(this);
|
|
p.drawPixmap(0, 0, Canvas);
|
|
if(AxesVisible)
|
|
{
|
|
p.setPen(QPen(QBrush(QColor(Qt::lightGray)), 1));
|
|
p.drawLine(Canvas.width() / 2, 0, Canvas.width() / 2, Canvas.height() - 1);
|
|
p.drawLine(0, Canvas.height() / 2, Canvas.width() - 1, Canvas.height() / 2);
|
|
p.drawText(Canvas.width() / 2 + 2, 12, QString::number(Canvas.width() / 2));
|
|
p.drawText(2, Canvas.height() / 2 - 2, QString::number(Canvas.height() / 2));
|
|
p.setPen(QPen(QBrush(QColor(Qt::red)), 3));
|
|
if(SwapYAxis)
|
|
{
|
|
p.drawLine(0, Canvas.height() - 1, Canvas.width() - 1, Canvas.height() - 1);
|
|
p.drawLine(Canvas.width() - 10, Canvas.height() - 10, Canvas.width() - 1, Canvas.height() - 1);
|
|
p.drawText(Canvas.width() - 10, Canvas.height() - 15, "X");
|
|
p.drawLine(0, Canvas.height() - 1, 0, 0);
|
|
p.drawLine(10, 10, 0, 0);
|
|
p.drawText(12, 12, "Y");
|
|
|
|
p.setPen(QPen(QBrush(QColor(0xDDDDDD)), 1));
|
|
p.drawLine(Canvas.width() / 4, 0, Canvas.width() / 4, Canvas.height() - 1);
|
|
p.drawLine(0, Canvas.height() / 4, Canvas.width() - 1, Canvas.height() / 4);
|
|
p.drawText(Canvas.width() / 4 + 2, 12, QString::number(Canvas.width() / 4));
|
|
p.drawText(2, Canvas.height() / 4 - 2, QString::number(3 * Canvas.height() / 4));
|
|
|
|
p.drawLine(3 * Canvas.width() / 4, 0, 3 * Canvas.width() / 4, Canvas.height() - 1);
|
|
p.drawLine(0, 3 * Canvas.height() / 4, Canvas.width() - 1, 3 * Canvas.height() / 4);
|
|
p.drawText(3 * Canvas.width() / 4 + 2, 12, QString::number(3 * Canvas.width() / 4));
|
|
p.drawText(2, 3 * Canvas.height() / 4 - 2, QString::number(Canvas.height() / 4));
|
|
}
|
|
else
|
|
{
|
|
p.drawLine(0, 0, Canvas.width() - 1, 0);
|
|
p.drawLine(Canvas.width() - 10, 10, Canvas.width() - 1, 0);
|
|
p.drawText(Canvas.width() - 10, 22, "X");
|
|
p.drawLine(0, Canvas.height() - 1, 0, 0);
|
|
p.drawLine(10, Canvas.height() - 10, 0, Canvas.height() - 1);
|
|
p.drawText(13, Canvas.height() - 2, "Y");
|
|
|
|
p.setPen(QPen(QBrush(QColor(0xDDDDDD)), 1));
|
|
p.drawLine(Canvas.width() / 4, 0, Canvas.width() / 4, Canvas.height() - 1);
|
|
p.drawLine(0, Canvas.height() / 4, Canvas.width() - 1, Canvas.height() / 4);
|
|
p.drawText(Canvas.width() / 4 + 2, 12, QString::number(Canvas.width() / 4));
|
|
p.drawText(2, Canvas.height() / 4 - 2, QString::number(Canvas.height() / 4));
|
|
|
|
p.drawLine(3 * Canvas.width() / 4, 0, 3 * Canvas.width() / 4, Canvas.height() - 1);
|
|
p.drawLine(0, 3 * Canvas.height() / 4, Canvas.width() - 1, 3 * Canvas.height() / 4);
|
|
p.drawText(3 * Canvas.width() / 4 + 2, 12, QString::number(3 * Canvas.width() / 4));
|
|
p.drawText(2, 3 * Canvas.height() / 4 - 2, QString::number(3 * Canvas.height() / 4));
|
|
}
|
|
}
|
|
}
|
|
|
|
void QTSGraph::mousePressEvent(QMouseEvent *event)
|
|
{
|
|
ResetTimer->stop();
|
|
EventMouseClicked = true;
|
|
if (event->buttons() & Qt::LeftButton)
|
|
{
|
|
// Левая кнопка
|
|
IDMouseButton = 1;
|
|
}
|
|
else if (event->buttons() & Qt::RightButton)
|
|
{
|
|
// Правая кнопка
|
|
IDMouseButton = 2;
|
|
}
|
|
else if (event->buttons() & Qt::MiddleButton)
|
|
{
|
|
// Средняя кнопка
|
|
IDMouseButton = 3;
|
|
}
|
|
ResetTimer->start(ResetInterval);
|
|
}
|
|
|
|
void QTSGraph::keyPressEvent(QKeyEvent *event)
|
|
{
|
|
ResetTimer->stop();
|
|
EventKeyPressed = true;
|
|
IDPressedKey = event->key();
|
|
if (IDPressedKey == Qt::Key_Escape)
|
|
{
|
|
// Нажатие Esc
|
|
}
|
|
ResetTimer->start(ResetInterval);
|
|
}
|
|
|
|
void QTSGraph::closeEvent(QCloseEvent *event)
|
|
{
|
|
//Закрытие окна
|
|
delete ResetTimer;
|
|
delete StartTimer;
|
|
exit(0);
|
|
}
|
|
|