#include <PaintWidget.h>

Inherits QWidget.

Public Slots
QObject *	addItem (QObject *object)

QObject *	addPoints (const QList< int > &points_x, const QList< int > &points_y, int groupNr, const QColor &color)

QObject *	addText (int xPos, int yPos, int groupNr, const QString &text)

QObject *	addLine (int xPos, int yPos, int groupNr, const QColor &color, int endX, int endY)

QObject *	addEllipse (int xPos, int yPos, int groupNr, const QColor &color, int width, int height)

QObject *	addRectangle (int xPos, int yPos, int groupNr, const QColor &color, int width, int height)

QObject *	addPolyline (int groupNr, const QColor &color, const QList< QPoint > &points)

QObject *	addPolygon (int groupNr, const QColor &color, const QList< QPoint > &points)

QObject *	removeItem (QObject *drawItem, bool delete_object)

void	removeAllItems (bool delete_objects)

Public Member Functions
	PaintWidget (QWidget *parent)

	~PaintWidget ()

Protected Member Functions
void	drawDrawItemsToImage (QImage &image, bool all=false)

void	drawDrawItemsToPainter (QPainter &painter, bool all=false)

void	paintEvent (QPaintEvent *event)

Protected Attributes
QList< DrawItem * >	items

QList< int >	disabledGroups

bool	isOpenGL

Detailed Description

Definition at line 7 of file PaintWidget.h.

Constructor & Destructor Documentation

PaintWidget::PaintWidget ( QWidget * parent )

Definition at line 16 of file PaintWidget.cc.

                                        :
 QWidget(parent),
 isOpenGL(false)
 //image(0, 0, QImage::Format_RGB888)
 {
 };

PaintWidget::~PaintWidget ( )

Definition at line 23 of file PaintWidget.cc.

24 {

25 };

Member Function Documentation

QObject * PaintWidget::addEllipse	(	int	xPos,
		int	yPos,
		int	groupNr,
		const QColor &	color,
		int	width,
		int	height
	)

slot

Adds an ellipse to the image and all successive images. the elipse will be drawn within an outlying rectangle specified.
The ellipse will not be filles and the border will have the minimum width.

Parameters

xPos	the top left x position of the rectangle
yPos	the top left y position of the rectangle
groupNr	teh group number
color	the color of the ellipses border
width	the width of the rectangle
height	the height of the rectangle

Returns: pointer to a #seeDrawItem to remove the ellipse afterwards

Definition at line 46 of file PaintWidget.cc.

 {
     EllipseItem* item = new EllipseItem(xPos, yPos, groupNr, color, width, height);
     if(isOpenGL)
       item->openGL(true);
 
     items.push_back(item);
     return item;
 }

QObject * PaintWidget::addItem ( QObject * object )

slot

Adds a shape to the image

Parameters

drawItem teh itrem which to draw. keep the item given to remove it afterwards

Definition at line 85 of file PaintWidget.cc.

 {
     DrawItem* drawItem = dynamic_cast<DrawItem*>(object);
     if(isOpenGL)
       drawItem->openGL(true);
 
     items.push_back(drawItem);
     return object;
 }

QObject * PaintWidget::addLine	(	int	xPos,
		int	yPos,
		int	groupNr,
		const QColor &	color,
		int	endX,
		int	endY
	)

slot

Adds a line to the images and all successive images

Parameters

xPos	the starting x position
yPos	the starting y position
groupNr	the group number
color	the color of the line
endX	the ending x position
endY	the ending y position

Returns: pointer to a #seeDrawItem to remove the line afterwards

Definition at line 36 of file PaintWidget.cc.

 {
     LineItem* item = new LineItem(xPos, yPos, groupNr, color, endX, endY);
     if(isOpenGL)
       item->openGL(true);
 
     items.push_back(item);
     return item;
 }

QObject * PaintWidget::addPoints	(	const QList< int > &	points_x,
		const QList< int > &	points_y,
		int	groupNr,
		const QColor &	color
	)

slot

Definition at line 95 of file PaintWidget.cc.

 {
     DrawItem* drawItem = new PointItem(points_x,points_y,groupNr,color);
     if(isOpenGL)
       drawItem->openGL(true);
     items.push_back(drawItem);
     return drawItem;
 }

QObject * PaintWidget::addPolygon	(	int	groupNr,
		const QColor &	color,
		const QList< QPoint > &	points
	)

slot

Adds a Polygon with the given points. An additional line will be drawn between the last and the first poin t given. Polygons can be filles unlike Polylines

Parameters

groupNr	the group number
color	the color of the lines
points	the points of the polygon
numberOfPoints	the number of points in the points array

Returns: a DrawItem containing the Polygon

Definition at line 75 of file PaintWidget.cc.

 {
     PolygonItem* item = new PolygonItem(color, groupNr, points);
     if(isOpenGL)
       item->openGL(true);
 
     items.push_back(item);
     return item;
 }

QObject * PaintWidget::addPolyline	(	int	groupNr,
		const QColor &	color,
		const QList< QPoint > &	points
	)

slot

Adds multiple lines

Parameters

groupNr	the number of the group
color	the color of the lines
points	the points weher a line starts/ends
numberOfPoints	the number of points in the points array

Returns: pointer to a DrawItem

Definition at line 65 of file PaintWidget.cc.

 {
     PolylineItem* item = new PolylineItem(color, groupNr, points);
     if(isOpenGL)
       item->openGL(true);
 
     items.push_back(item);
     return item;
 }

QObject * PaintWidget::addRectangle	(	int	xPos,
		int	yPos,
		int	groupNr,
		const QColor &	color,
		int	width,
		int	height
	)

slot

Adds a rectangle to the image and all successive images. The rectangle will not be filles and the border will have the minimum width.

Parameters

xPos	the top left x position of the rectangle
yPos	the top left y position of the rectangle
groupNr	the group number
color	the color of the rectangles border
width	the width of the rectangle Adds a rectangle to the image and all successive images. The rectangle will not be filles and the border will have the minimum width.
xPos	the top left x position of the rectangle
yPos	the top left y position of the rectangle
groupNr	the group number
color	the color of the rectangles border
width	the width of the rectangle
height	the height of the rectangle

Returns: pointer to a #seeDrawItem to remove the ellipse afterwards

Definition at line 56 of file PaintWidget.cc.

 {
     RectangleItem* item = new RectangleItem(xPos, yPos, groupNr, color, width, height);
     if(isOpenGL)
       item->openGL(true);
 
     items.push_back(item);
     return item;
 }

QObject * PaintWidget::addText	(	int	xPos,
		int	yPos,
		int	groupNr,
		const QString &	text
	)

slot

Adds a Text to the image and all successive images

Parameters

xPos	the starting x position
yPos	the starting y position
groupNr	the group number
text	the text to be displayed

Returns: pointer to a #seeDrawItem to remove the text afterwards.

Definition at line 27 of file PaintWidget.cc.

 {
     TextItem* textItem = new TextItem(xPos, yPos, groupNr, text);
     if(isOpenGL)
       textItem->openGL(true);
     items.push_back(textItem);
     return textItem;
 }

void PaintWidget::drawDrawItemsToImage	(	QImage &	image,
		bool	all = `false`
	)

protected

Adds all shapes to the image

Parameters

shownImage teh iamge to add the shapes to

void PaintWidget::drawDrawItemsToPainter	(	QPainter &	painter,
		bool	all = `false`
	)

protected

Definition at line 134 of file PaintWidget.cc.

 {
     if(!isOpenGL)
       all = true;
 
     QRectF target = painter.viewport();
 
     if(!items.empty())
     {
         painter.setRenderHint(QPainter::TextAntialiasing, true);
     QList<DrawItem*>::iterator iter = items.begin();
         for(;iter != items.end();++iter)
         {
       if(!disabledGroups.contains((*iter)->getGroupNr()))
         if(!(*iter)->onOpenGL() || all == true)
                 (*iter)->draw(&painter,target,target);
         }
     }
 }

void PaintWidget::paintEvent ( QPaintEvent * event )

protected

Definition at line 128 of file PaintWidget.cc.

 {
   QPainter painter(this);
   drawDrawItemsToPainter(painter,true);
 }

void PaintWidget::removeAllItems ( bool delete_objects )

slot

Removes all shapes from the iamges

Definition at line 116 of file PaintWidget.cc.

 {
    if(delete_objects)
    {
       QList<DrawItem*>::iterator iter = items.begin();
       for(;iter != items.end();++iter)
           delete(*iter);
    }
    items.clear();
 }

QObject * PaintWidget::removeItem	(	QObject *	drawItem,
		bool	delete_object
	)

slot

Remobves a shape from the image

Parameters

drawItem the shape to remove

Definition at line 104 of file PaintWidget.cc.

 {
     DrawItem *draw_item = dynamic_cast<DrawItem*>(object);
     items.removeAll(draw_item);
     if(delete_object)
     {
       delete object;
       object = NULL;
     }
     return object;
 }

Member Data Documentation

QList<int> PaintWidget::disabledGroups

protected

List of group numbers currently disabled

Definition at line 129 of file PaintWidget.h.

bool PaintWidget::isOpenGL

protected

Definition at line 130 of file PaintWidget.h.

QList<DrawItem*> PaintWidget::items

protected

The format used in the widget List of all Draw Items

Definition at line 127 of file PaintWidget.h.

The documentation for this class was generated from the following files:

/build/rock-master-18.09-gui-rock-widget-collection-0.20180124/src/generic_widgets/PaintWidget.h
/build/rock-master-18.09-gui-rock-widget-collection-0.20180124/src/generic_widgets/PaintWidget.cc

Public Slots

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation