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serialgraphics.cpp
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/***************************************************************************//**
* @file
* Serial Graphics
*
* @version @n 1.0
* @date @n 12/06/2013
*
* @author @n Kwabena W. Agyeman
* @copyright @n (c) 2013 Kwabena W. Agyeman
* @n All rights reserved - Please see the end of the file for the terms of use
*
* @par Update History:
* @n v1.0 - Original release - 12/06/2013
*******************************************************************************/
#include "serialgraphics.h"
#include "ui_serialgraphics.h"
SerialGraphics::SerialGraphics(const QString &title,
QSettings *settings, QWidget *parent) :
SerialWindow(title, settings, parent), m_ui(new Ui::SerialGraphics)
{
m_ui->setupUi(this); m_ui->statusBar->hide();
m_resize = true;
m_widget = new QWidget;
m_scene = new QGraphicsScene(-1000000000,
-1000000000,
+2000000001,
+2000000001,
this);
m_widget->installEventFilter(this);
m_scene->installEventFilter(this);
m_ui->graphicsView->installEventFilter(this);
m_ui->graphicsView->setViewport(m_widget);
m_ui->graphicsView->setScene(m_scene);
m_coordinateSystem = CS_CARTESIAN; m_angleUnits = AU_DEGREES;
m_pen = QPen(QColor(000, 000, 255), 0.0); m_brush = QColor(200, 200, 255);
m_rotation = 0.0; m_scale = 1.0;
m_rasterWidth = 640; m_rasterHeight = 480; m_rasterSaveViewport = false;
m_vectorWidth = 640; m_vectorHeight = 480; m_vectorSaveViewport = false;
m_vectorTitle = windowTitle();
m_vectorDescription = tr("By: ") + qgetenv(BY_NAME);
connect(m_ui->actionZoom_In, SIGNAL(triggered()),
this, SLOT(zoomIn()));
connect(m_ui->actionZoom_Out, SIGNAL(triggered()),
this, SLOT(zoomOut()));
connect(m_ui->actionZoom_Fit, SIGNAL(triggered()),
this, SLOT(zoomFit()));
connect(m_ui->actionSave_Raster_Image, SIGNAL(triggered()),
this, SLOT(saveRasterImage()));
connect(m_ui->actionSave_Vector_Image, SIGNAL(triggered()),
this, SLOT(saveVectorImage()));
connect(m_ui->actionImport_State, SIGNAL(triggered()),
this, SLOT(importState()));
connect(m_ui->actionExport_State, SIGNAL(triggered()),
this, SLOT(exportState()));
connect(m_ui->actionClose_Window, SIGNAL(triggered()),
this, SLOT(close()));
connect(m_ui->actionGeneral_Help, SIGNAL(triggered()),
this, SLOT(generalHelp()));
connect(m_ui->actionGraphics_Help, SIGNAL(triggered()),
this, SLOT(graphicsHelp()));
restoreState();
}
SerialGraphics::~SerialGraphics()
{
delete m_ui;
}
bool SerialGraphics::importExportEnabled() const
{
return true;
}
QString SerialGraphics::keyGroup() const
{
return SERIAL_GRAPHICS_KEY_GROUP;
}
QString SerialGraphics::keyState() const
{
return SERIAL_GRAPHICS_KEY_STATE;
}
QString SerialGraphics::keyGeometry() const
{
return SERIAL_GRAPHICS_KEY_GEOMETRY;
}
void SerialGraphics::setBackgroundColor(QRgb rgba)
{
m_ui->graphicsView->setBackgroundBrush(QColor::fromRgba(rgba));
}
QRgb SerialGraphics::getBackgroundColor() const
{
return m_ui->graphicsView->backgroundBrush().color().rgba();
}
bool SerialGraphics::setCoordinateSystem(CoordinateSystem coordinateSystem)
{
bool ok = notInvalid(__FUNCTION__, "coordinateSystem", coordinateSystem,
CS_CARTESIAN, CS_POLAR);
if(ok)
{
m_coordinateSystem = coordinateSystem;
}
return ok;
}
CoordinateSystem SerialGraphics::getCoordinateSystem() const
{
return m_coordinateSystem;
}
bool SerialGraphics::setAngleUnits(AngleUnits angleUnits)
{
bool ok = notInvalid(__FUNCTION__, "angleUnits", angleUnits,
AU_DEGREES, AU_RADIANS);
if(ok)
{
m_angleUnits = angleUnits;
}
return ok;
}
AngleUnits SerialGraphics::getAngleUnits() const
{
return m_angleUnits;
}
void SerialGraphics::setLineColor(QRgb rgba)
{
m_pen.setColor(QColor::fromRgba(rgba));
}
QRgb SerialGraphics::getLineColor() const
{
return m_pen.color().rgba();
}
bool SerialGraphics::setLineStyle(Qt::PenStyle lineStyle)
{
bool ok = notInvalid(__FUNCTION__, "lineStyle", lineStyle,
Qt::NoPen, Qt::DashDotDotLine);
if(ok)
{
m_pen.setStyle(lineStyle);
}
return ok;
}
Qt::PenStyle SerialGraphics::getLineStyle() const
{
return m_pen.style();
}
void SerialGraphics::setFillColor(QRgb rgba)
{
m_brush.setColor(QColor::fromRgba(rgba));
}
QRgb SerialGraphics::getFillColor() const
{
return m_brush.color().rgba();
}
bool SerialGraphics::setFillStyle(Qt::BrushStyle fillStyle)
{
int min0 = Qt::NoBrush;
int max0 = Qt::SolidPattern;
int min1 = Qt::HorPattern;
int max1 = Qt::DiagCrossPattern;
bool ok = (((min0 <= fillStyle) && (fillStyle <= max0))
|| ((min1 <= fillStyle) && (fillStyle <= max1)));
if(ok)
{
m_brush.setStyle(fillStyle);
}
else
{
emit errorMessage(QString(metaObject()->className()) +
"::" + __FUNCTION__ + "[" + windowTitle() + "] -> " +
tr("Argument (%L1 == %L2) is out of the valid range between "
"[%L3 : %L4] + [%L5 : %L6]").arg("fillStyle").arg(fillStyle).
arg(min0).arg(max0).arg(min1).arg(max1));
}
return ok;
}
Qt::BrushStyle SerialGraphics::getFillStyle() const
{
return m_brush.style();
}
bool SerialGraphics::setRotation(double rotation)
{
bool ok = notInfinite(__FUNCTION__, "rotation", rotation);
if(ok)
{
if(m_angleUnits == AU_DEGREES)
{
m_rotation = rotation;
}
else
{
m_rotation = qRadiansToDegrees(rotation);
}
}
return ok;
}
double SerialGraphics::getRotation() const
{
if(m_angleUnits == AU_DEGREES)
{
return m_rotation;
}
else
{
return qDegreesToRadians(m_rotation);
}
}
bool SerialGraphics::setScale(double scale)
{
bool ok = notInfinite(__FUNCTION__, "scale", scale);
if(ok)
{
m_scale = scale;
}
return ok;
}
double SerialGraphics::getScale() const
{
return m_scale;
}
bool SerialGraphics::drawText(double x, double y,
const QString &text)
{
bool ok = (notInfinite(__FUNCTION__, "x", x)
&& notInfinite(__FUNCTION__, "y", y)
&& (!text.isEmpty()));
if(ok)
{
QVariantList list; QJsonObject object = toJson("drawText",
list << x << y << text);
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x = qDegreesToRadians(x);
}
x = y * qCos(x);
y = y * qSin(x);
}
///////////////////////////////////////////////////////////////////////
QGraphicsSimpleTextItem *item = m_scene->addSimpleText(text);
item->setPos(QPointF(x, y));
item->setPen(m_pen);
item->setBrush(m_brush);
///////////////////////////////////////////////////////////////////////
item->setRotation(m_rotation); item->setScale(m_scale);
item->setData(0, object);
if(m_resize)
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
}
}
return ok;
}
bool SerialGraphics::drawLine(double x1, double y1,
double x2, double y2)
{
bool ok = (notInfinite(__FUNCTION__, "x1", x1)
&& notInfinite(__FUNCTION__, "y1", y1)
&& notInfinite(__FUNCTION__, "x2", x2)
&& notInfinite(__FUNCTION__, "y2", y2));
if(ok)
{
QVariantList list; QJsonObject object = toJson("drawLine",
list << x1 << y1 << x2 << y2);
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x1 = qDegreesToRadians(x1);
x2 = qDegreesToRadians(x2);
}
x1 = y1 * qCos(x1);
y1 = y1 * qSin(x1);
x2 = y2 * qCos(x2);
y2 = y2 * qSin(x2);
}
///////////////////////////////////////////////////////////////////////
QLineF line(QPointF(x1, y1), QPointF(x2, y2));
QGraphicsLineItem *item = m_scene->addLine(line, m_pen);
///////////////////////////////////////////////////////////////////////
item->setRotation(m_rotation); item->setScale(m_scale);
item->setData(0, object);
if(m_resize)
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
}
}
return ok;
}
bool SerialGraphics::drawQuadraticLine(double x1, double y1,
double x2, double y2,
double x3, double y3)
{
bool ok = (notInfinite(__FUNCTION__, "x1", x1)
&& notInfinite(__FUNCTION__, "y1", y1)
&& notInfinite(__FUNCTION__, "x2", x2)
&& notInfinite(__FUNCTION__, "y2", y2)
&& notInfinite(__FUNCTION__, "x3", x3)
&& notInfinite(__FUNCTION__, "y3", y3));
if(ok)
{
QVariantList list; QJsonObject object = toJson("drawQuadraticLine",
list << x1 << y1 << x2 << y2 << x3 << y3);
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x1 = qDegreesToRadians(x1);
x2 = qDegreesToRadians(x2);
x3 = qDegreesToRadians(x3);
}
x1 = y1 * qCos(x1);
y1 = y1 * qSin(x1);
x2 = y2 * qCos(x2);
y2 = y2 * qSin(x2);
x3 = y3 * qCos(x3);
y3 = y3 * qSin(x3);
}
///////////////////////////////////////////////////////////////////////
QPainterPath path(QPointF(x1, y1)); path.quadTo(QPointF(x2, y2),
QPointF(x3, y3));
QGraphicsPathItem *item = m_scene->addPath(path, m_pen);
///////////////////////////////////////////////////////////////////////
item->setRotation(m_rotation); item->setScale(m_scale);
item->setData(0, object);
if(m_resize)
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
}
}
return ok;
}
bool SerialGraphics::drawCubicLine(double x1, double y1,
double x2, double y2,
double x3, double y3,
double x4, double y4)
{
bool ok = (notInfinite(__FUNCTION__, "x1", x1)
&& notInfinite(__FUNCTION__, "y1", y1)
&& notInfinite(__FUNCTION__, "x2", x2)
&& notInfinite(__FUNCTION__, "y2", y2)
&& notInfinite(__FUNCTION__, "x3", x3)
&& notInfinite(__FUNCTION__, "y3", y3)
&& notInfinite(__FUNCTION__, "x4", x4)
&& notInfinite(__FUNCTION__, "y4", y4));
if(ok)
{
QVariantList list; QJsonObject object = toJson("drawCubicLine",
list << x1 << y1 << x2 << y2 << x3 << y3 << x4 << y4);
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x1 = qDegreesToRadians(x1);
x2 = qDegreesToRadians(x2);
x3 = qDegreesToRadians(x3);
x4 = qDegreesToRadians(x4);
}
x1 = y1 * qCos(x1);
y1 = y1 * qSin(x1);
x2 = y2 * qCos(x2);
y2 = y2 * qSin(x2);
x3 = y3 * qCos(x3);
y3 = y3 * qSin(x3);
x4 = y4 * qCos(x4);
y4 = y4 * qSin(x4);
}
///////////////////////////////////////////////////////////////////////
QPainterPath path(QPointF(x1, y1)); path.cubicTo(QPointF(x2, y2),
QPointF(x3, y3),
QPointF(x4, y4));
QGraphicsPathItem *item = m_scene->addPath(path, m_pen);
///////////////////////////////////////////////////////////////////////
item->setRotation(m_rotation); item->setScale(m_scale);
item->setData(0, object);
if(m_resize)
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
}
}
return ok;
}
bool SerialGraphics::drawArc(double x1, double y1,
double x2, double y2,
double startAngle,
double endAngle)
{
bool ok = (notInfinite(__FUNCTION__, "x1", x1)
&& notInfinite(__FUNCTION__, "y1", y1)
&& notInfinite(__FUNCTION__, "x2", x2)
&& notInfinite(__FUNCTION__, "y2", y2)
&& notInfinite(__FUNCTION__, "startAngle", startAngle)
&& notInfinite(__FUNCTION__, "endAngle", endAngle));
if(ok)
{
QVariantList list; QJsonObject object = toJson("drawArc",
list << x1 << y1 << x2 << y2 << startAngle << endAngle);
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x1 = qDegreesToRadians(x1);
x2 = qDegreesToRadians(x2);
}
x1 = y1 * qCos(x1);
y1 = y1 * qSin(x1);
x2 = y2 * qCos(x2);
y2 = y2 * qSin(x2);
}
///////////////////////////////////////////////////////////////////////
if(m_angleUnits == AU_RADIANS)
{
startAngle = qRadiansToDegrees(startAngle);
endAngle = qRadiansToDegrees(endAngle);
}
QRectF rect(QPointF(x1, y1), QPointF(x2, y2)); QPainterPath path;
path.arcMoveTo(rect, startAngle);
path.arcTo(rect, startAngle, endAngle-startAngle);
QGraphicsPathItem *item = m_scene->addPath(path, m_pen);
///////////////////////////////////////////////////////////////////////
item->setRotation(m_rotation); item->setScale(m_scale);
item->setData(0, object);
if(m_resize)
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
}
}
return ok;
}
bool SerialGraphics::drawChord(double x1, double y1,
double x2, double y2,
double startAngle,
double endAngle)
{
bool ok = (notInfinite(__FUNCTION__, "x1", x1)
&& notInfinite(__FUNCTION__, "y1", y1)
&& notInfinite(__FUNCTION__, "x2", x2)
&& notInfinite(__FUNCTION__, "y2", y2)
&& notInfinite(__FUNCTION__, "startAngle", startAngle)
&& notInfinite(__FUNCTION__, "endAngle", endAngle));
if(ok)
{
QVariantList list; QJsonObject object = toJson("drawChord",
list << x1 << y1 << x2 << y2 << startAngle << endAngle);
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x1 = qDegreesToRadians(x1);
x2 = qDegreesToRadians(x2);
}
x1 = y1 * qCos(x1);
y1 = y1 * qSin(x1);
x2 = y2 * qCos(x2);
y2 = y2 * qSin(x2);
}
///////////////////////////////////////////////////////////////////////
if(m_angleUnits == AU_RADIANS)
{
startAngle = qRadiansToDegrees(startAngle);
endAngle = qRadiansToDegrees(endAngle);
}
QRectF rect(QPointF(x1, y1), QPointF(x2, y2)); QPainterPath path;
path.arcMoveTo(rect, startAngle);
path.arcTo(rect, startAngle, endAngle-startAngle); path.closeSubpath();
QGraphicsPathItem *item = m_scene->addPath(path, m_pen, m_brush);
///////////////////////////////////////////////////////////////////////
item->setRotation(m_rotation); item->setScale(m_scale);
item->setData(0, object);
if(m_resize)
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
}
}
return ok;
}
bool SerialGraphics::drawTriangle(double x1, double y1,
double x2, double y2,
double x3, double y3)
{
bool ok = (notInfinite(__FUNCTION__, "x1", x1)
&& notInfinite(__FUNCTION__, "y1", y1)
&& notInfinite(__FUNCTION__, "x2", x2)
&& notInfinite(__FUNCTION__, "y2", y2)
&& notInfinite(__FUNCTION__, "x3", x3)
&& notInfinite(__FUNCTION__, "y3", y3));
if(ok)
{
QVariantList list; QJsonObject object = toJson("drawTriangle",
list << x1 << y1 << x2 << y2 << x3 << y3);
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x1 = qDegreesToRadians(x1);
x2 = qDegreesToRadians(x2);
x3 = qDegreesToRadians(x3);
}
x1 = y1 * qCos(x1);
y1 = y1 * qSin(x1);
x2 = y2 * qCos(x2);
y2 = y2 * qSin(x2);
x3 = y3 * qCos(x3);
y3 = y3 * qSin(x3);
}
///////////////////////////////////////////////////////////////////////
QPolygonF poly;
poly.append(QPointF(x1, y1));
poly.append(QPointF(x2, y2));
poly.append(QPointF(x3, y3));
QGraphicsPolygonItem *item = m_scene->addPolygon(poly, m_pen, m_brush);
///////////////////////////////////////////////////////////////////////
item->setRotation(m_rotation); item->setScale(m_scale);
item->setData(0, object);
if(m_resize)
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
}
}
return ok;
}
bool SerialGraphics::drawQuadrilateral(double x1, double y1,
double x2, double y2,
double x3, double y3,
double x4, double y4)
{
bool ok = (notInfinite(__FUNCTION__, "x1", x1)
&& notInfinite(__FUNCTION__, "y1", y1)
&& notInfinite(__FUNCTION__, "x2", x2)
&& notInfinite(__FUNCTION__, "y2", y2)
&& notInfinite(__FUNCTION__, "x3", x3)
&& notInfinite(__FUNCTION__, "y3", y3)
&& notInfinite(__FUNCTION__, "x4", x4)
&& notInfinite(__FUNCTION__, "y4", y4));
if(ok)
{
QVariantList list; QJsonObject object = toJson("drawQuadrilateral",
list << x1 << y1 << x2 << y2 << x3 << y3 << x4 << y4);
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x1 = qDegreesToRadians(x1);
x2 = qDegreesToRadians(x2);
x3 = qDegreesToRadians(x3);
x4 = qDegreesToRadians(x4);
}
x1 = y1 * qCos(x1);
y1 = y1 * qSin(x1);
x2 = y2 * qCos(x2);
y2 = y2 * qSin(x2);
x3 = y3 * qCos(x3);
y3 = y3 * qSin(x3);
x4 = y4 * qCos(x4);
y4 = y4 * qSin(x4);
}
///////////////////////////////////////////////////////////////////////
QPolygonF poly;
poly.append(QPointF(x1, y1));
poly.append(QPointF(x2, y2));
poly.append(QPointF(x3, y3));
poly.append(QPointF(x4, y4));
QGraphicsPolygonItem *item = m_scene->addPolygon(poly, m_pen, m_brush);
///////////////////////////////////////////////////////////////////////
item->setRotation(m_rotation); item->setScale(m_scale);
item->setData(0, object);
if(m_resize)
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
}
}
return ok;
}
bool SerialGraphics::drawRectangle(double x1, double y1,
double x2, double y2,
double xRadius,
double yRadius)
{
bool ok = (notInfinite(__FUNCTION__, "x1", x1)
&& notInfinite(__FUNCTION__, "y1", y1)
&& notInfinite(__FUNCTION__, "x2", x2)
&& notInfinite(__FUNCTION__, "y2", y2)
&& notInvalid(__FUNCTION__, "xRadius", xRadius, 0.0, 100.0)
&& notInvalid(__FUNCTION__, "yRadius", yRadius, 0.0, 100.0));
if(ok)
{
QVariantList list; QJsonObject object = toJson("drawRectangle",
list << x1 << y1 << x2 << y2 << xRadius << yRadius);
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x1 = qDegreesToRadians(x1);
x2 = qDegreesToRadians(x2);
}
x1 = y1 * qCos(x1);
y1 = y1 * qSin(x1);
x2 = y2 * qCos(x2);
y2 = y2 * qSin(x2);
}
///////////////////////////////////////////////////////////////////////
QRectF rect(QRectF(QPointF(x1,y1), QPointF(x2,y2))); QPainterPath path;
path.addRoundedRect(rect, xRadius, yRadius, Qt::RelativeSize);
QGraphicsPathItem *item = m_scene->addPath(path, m_pen, m_brush);
///////////////////////////////////////////////////////////////////////
item->setRotation(m_rotation); item->setScale(m_scale);
item->setData(0, object);
if(m_resize)
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
}
}
return ok;
}
bool SerialGraphics::drawEllipse(double x1, double y1,
double x2, double y2,
double startAngle,
double endAngle)
{
bool ok = (notInfinite(__FUNCTION__, "x1", x1)
&& notInfinite(__FUNCTION__, "y1", y1)
&& notInfinite(__FUNCTION__, "x2", x2)
&& notInfinite(__FUNCTION__, "y2", y2)
&& notInfinite(__FUNCTION__, "startAngle", startAngle)
&& notInfinite(__FUNCTION__, "endAngle", endAngle));
if(ok)
{
QVariantList list; QJsonObject object = toJson("drawEllipse",
list << x1 << y1 << x2 << y2 << startAngle << endAngle);
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x1 = qDegreesToRadians(x1);
x2 = qDegreesToRadians(x2);
}
x1 = y1 * qCos(x1);
y1 = y1 * qSin(x1);
x2 = y2 * qCos(x2);
y2 = y2 * qSin(x2);
}
///////////////////////////////////////////////////////////////////////
QRectF rect(QPointF(x1,y1), QPointF(x2,y2));
QGraphicsEllipseItem *item = m_scene->addEllipse(rect, m_pen, m_brush);
if(m_angleUnits == AU_RADIANS)
{
startAngle = qRadiansToDegrees(startAngle);
endAngle = qRadiansToDegrees(endAngle);
}
item->setStartAngle(startAngle);
item->setSpanAngle(endAngle - startAngle);
///////////////////////////////////////////////////////////////////////
item->setRotation(m_rotation); item->setScale(m_scale);
item->setData(0, object);
if(m_resize)
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
}
}
return ok;
}
bool SerialGraphics::clearAll(double x1, double y1,
double x2, double y2)
{
bool ok = (notInfinite(__FUNCTION__, "x1", x1)
&& notInfinite(__FUNCTION__, "y1", y1)
&& notInfinite(__FUNCTION__, "x2", x2)
&& notInfinite(__FUNCTION__, "y2", y2));
if(ok)
{
if(m_coordinateSystem == CS_POLAR)
{
if(m_angleUnits == AU_DEGREES)
{
x1 = qDegreesToRadians(x1);
x2 = qDegreesToRadians(x2);
}
x1 = y1 * qCos(x1);
y1 = y1 * qSin(x1);
x2 = y2 * qCos(x2);
y2 = y2 * qSin(x2);
}
QRectF rect(QPointF(x1, y1), QPointF(x2, y2));
foreach(QGraphicsItem *item, m_scene->items(rect))
{
m_scene->removeItem(item); delete item;
}
}
return ok;
}
void SerialGraphics::clearAll()
{
m_scene->clear();
}
void SerialGraphics::zoomIn()
{
QRect geometry = m_ui->graphicsView->geometry();
QPointF localPos(geometry.width()/2.0, geometry.height()/2.0);
QPointF globalPos(geometry.x()+localPos.x(), geometry.y()+localPos.y());
QWheelEvent wheelEvent(localPos, globalPos, QPoint(0, +1), QPoint(0, +120),
+120, Qt::Vertical, Qt::NoButton, Qt::NoModifier);
QApplication::sendEvent(m_ui->graphicsView, &wheelEvent);
}
void SerialGraphics::zoomOut()
{
QRect geometry = m_ui->graphicsView->geometry();
QPointF localPos(geometry.width()/2.0, geometry.height()/2.0);
QPointF globalPos(geometry.x()+localPos.x(), geometry.y()+localPos.y());
QWheelEvent wheelEvent(localPos, globalPos, QPoint(0, -1), QPoint(0, -120),
-120, Qt::Vertical, Qt::NoButton, Qt::NoModifier);
QApplication::sendEvent(m_ui->graphicsView, &wheelEvent);
}
void SerialGraphics::zoomFit()
{
m_ui->graphicsView->fitInView(m_scene->itemsBoundingRect(),
Qt::KeepAspectRatio);
m_resize = true;
}
void SerialGraphics::saveRasterImage()
{
QSettings settings(settingsFileName(), settingsFormat());
settings.beginGroup(keyGroup());
settings.beginGroup(windowTitle());
QString saveFile = settings.value(SERIAL_GRAPHICS_KEY_SAVE_R_FILE,
QDir::homePath()).toString();
QString fileName = QFileDialog::getSaveFileName(this, tr("Save Image"),
saveFile, tr("Image Files (*.bmp *.jpg *.jpeg *.png)"));
if(!fileName.isEmpty())
{
if(fileName.endsWith(".bmp", Qt::CaseInsensitive)
|| fileName.endsWith(".jpg", Qt::CaseInsensitive)
|| fileName.endsWith(".jpeg", Qt::CaseInsensitive)
|| fileName.endsWith(".png", Qt::CaseInsensitive))
{
UtilRasterDialog dialog(tr("Save Options"), this);
dialog.setWidth(m_rasterWidth);
dialog.setHeight(m_rasterHeight);
dialog.setSaveCurrentView(m_rasterSaveViewport);
if(dialog.exec() == QDialog::Accepted)
{
QPixmap pixmap(dialog.getWidth(), dialog.getHeight());
pixmap.fill(m_ui->graphicsView->backgroundBrush().color());
QPainter painter;
if(!painter.begin(&pixmap))
{
QMessageBox::critical(this, tr("Save Image Error"),
tr("Painting initialization failed")); return;
}
if(dialog.getSaveCurrentView())
{
m_ui->graphicsView->render(&painter, QRectF(), QRect(),
Qt::IgnoreAspectRatio);
}
else
{
QRectF rect = m_scene->itemsBoundingRect();
QRectF newRect(QPointF(), rect.size() * 1.2);
newRect.moveCenter(rect.center());
m_scene->render(&painter, QRectF(), newRect,
Qt::IgnoreAspectRatio);
}
if((!painter.end()) || (!pixmap.save(fileName)))
{
QMessageBox::critical(this, tr("Save Image Error"),
tr("Painting finalization failed")); return;