Some methods which help to draw certain geometrical objects in openGL. More...

#include <GLHelper.h>

Static Public Member Functions
static void	drawBoxLine (const Position &beg, SUMOReal rot, SUMOReal visLength, SUMOReal width)
	Draws a thick line.
static void	drawBoxLine (const Position &beg1, const Position &beg2, SUMOReal rot, SUMOReal visLength, SUMOReal width)
	Draws a thick line using the mean of both given points as begin position.
static void	drawBoxLines (const PositionVector &geom, const std::vector< SUMOReal > &rots, const std::vector< SUMOReal > &lengths, SUMOReal width)
	Draws thick lines.
static void	drawBoxLines (const PositionVector &geom1, const PositionVector &geom2, const std::vector< SUMOReal > &rots, const std::vector< SUMOReal > &lengths, SUMOReal width)
	Draws thick lines using the mean of the points given in the point lists as begin positions.
static void	drawBoxLines (const PositionVector &geom, SUMOReal width)
	Draws thick lines.
static void	drawFilledCircle (SUMOReal width, int steps=8)
	Draws a filled circle around (0,0)
static void	drawFilledCircle (SUMOReal width, int steps, SUMOReal beg, SUMOReal end)
	Draws a filled circle around (0,0)
static void	drawFilledPoly (const PositionVector &v, bool close)
	Draws a filled polygon described by the list of points.
static void	drawLine (const Position &beg1, const Position &beg2, SUMOReal rot, SUMOReal visLength)
	Draws a thin line using the mean of both given points as begin position.
static void	drawLine (const PositionVector &v)
	Draws a thin line along the given position vector.
static void	drawLine (const Position &beg, const Position &end)
	Draws a thin line between the two points.
static void	drawLine (const Position &beg, SUMOReal rot, SUMOReal visLength)
	Draws a thin line.
static void	drawOutlineCircle (SUMOReal width, SUMOReal iwidth, int steps=8)
	Draws an unfilled circle around (0,0)
static void	drawOutlineCircle (SUMOReal width, SUMOReal iwidth, int steps, SUMOReal beg, SUMOReal end)
	Draws an unfilled circle around (0,0)
static void	drawText (const std::string &text, const Position &pos, const SUMOReal layer, const SUMOReal size, const RGBColor &col=RGBColor(0, 0, 0), const SUMOReal angle=0)
	draw Text with given parameters
static void	drawTextBox (const std::string &text, const Position &pos, const SUMOReal layer, const SUMOReal size, const RGBColor &txtColor=RGBColor(0, 0, 0), const RGBColor &bgColor=RGBColor(1, 1, 1), const RGBColor &borderColor=RGBColor(0, 0, 0), const SUMOReal angle=0)
	draw Text box with given parameters
static void	drawTriangleAtEnd (const Line &l, SUMOReal tLength, SUMOReal tWidth)
	Draws a triangle at the end of the given line.
static RGBColor	getColor ()
	gets the gl-color
static void	setColor (const RGBColor &c)
	Sets the gl-color to this value.
Static Private Attributes
static std::vector< std::pair < SUMOReal, SUMOReal > >	myCircleCoords
	Storage for precomputed sin/cos-values describing a circle.

Detailed Description

Some methods which help to draw certain geometrical objects in openGL.

This class offers some static methods for drawing primitives in openGL.

Definition at line 51 of file GLHelper.h.

Member Function Documentation

void GLHelper::drawBoxLine	(	const Position &	beg,
		SUMOReal	rot,
		SUMOReal	visLength,
		SUMOReal	width
	)		`[static]`

Draws a thick line.

The line is drawn as a GL_QUADS.

Parameters:

[in]	beg	The begin position of the line
[in]	rot	The direction the line shall be drawn to (in radiants)
[in]	visLength	The length of the line
[in]	width	The width of the line

Definition at line 79 of file GLHelper.cpp.

References Position::x(), and Position::y().

Referenced by drawAction_drawVehicleAsPoly(), drawBoxLines(), GUIE3Collector::MyWrapper::drawSingleCrossing(), drawTextBox(), and GUILaneWrapper::ROWdrawAction_drawArrows().

void GLHelper::drawBoxLine	(	const Position &	beg1,
		const Position &	beg2,
		SUMOReal	rot,
		SUMOReal	visLength,
		SUMOReal	width
	)		`[static]`

Draws a thick line using the mean of both given points as begin position.

The line is drawn as a GL_QUADS.

Parameters:

[in]	beg1	One of the begin positions of the line to use the mean of
[in]	beg2	One of the begin positions of the line to use the mean of
[in]	rot	The direction the line shall be drawn to (in radiants)
[in]	visLength	The length of the line
[in]	width	The width of the line

Definition at line 95 of file GLHelper.cpp.

References Position::x(), and Position::y().

void GLHelper::drawBoxLines	(	const PositionVector &	geom,
		const std::vector< SUMOReal > &	rots,
		const std::vector< SUMOReal > &	lengths,
		SUMOReal	width
	)		`[static]`

Draws thick lines.

Each line is drawn using drawBoxLine.

Parameters:

[in]	geom	The list of begin positions of the lines
[in]	rots	The directions the lines shall be drawn to (in radiants)
[in]	lengths	The lengths of the lines
[in]	width	The width of the lines

See also:: drawBoxLine

Definition at line 112 of file GLHelper.cpp.

References drawBoxLine(), and PositionVector::size().

Referenced by GUIVehicle::draw(), GUIVehicle::drawBestLanes(), GUIPolygon::drawGL(), GUILaneWrapper::drawGL(), GUIBusStop::drawGL(), GUI_E2_ZS_Collector::MyWrapper::drawGL(), and GUILaneWrapper::drawMarkings().

void GLHelper::drawBoxLines	(	const PositionVector &	geom1,
		const PositionVector &	geom2,
		const std::vector< SUMOReal > &	rots,
		const std::vector< SUMOReal > &	lengths,
		SUMOReal	width
	)		`[static]`

Draws thick lines using the mean of the points given in the point lists as begin positions.

Each line is drawn using drawBoxLine.

Parameters:

[in]	geom1	One of the lists to obtain the lines' begin positions to use the mean of
[in]	geom2	One of the lists to obtain the lines' begin positions to use the mean of
[in]	rots	The directions the lines shall be drawn to (in radiants)
[in]	lengths	The lengths of the lines
[in]	width	The width of the lines

See also:: drawBoxLine

Definition at line 124 of file GLHelper.cpp.

References drawBoxLine(), MIN4(), and PositionVector::size().

void GLHelper::drawBoxLines	(	const PositionVector &	geom,
		SUMOReal	width
	)		`[static]`

Draws thick lines.

Widths and length are computed internally by this method, each line is then drawn using drawBoxLine.

Parameters:

[in]	geom	The list of begin positions of the lines
[in]	width	The width of the lines

See also:: drawBoxLine

Definition at line 137 of file GLHelper.cpp.

References Position::distanceTo(), drawBoxLine(), PI, PositionVector::size(), SUMOReal, Position::x(), and Position::y().

void GLHelper::drawFilledCircle	(	SUMOReal	width,
		int	steps = `8`
	)		`[static]`

Draws a filled circle around (0,0)

The circle is drawn by calling drawFilledCircle(width, steps, 0, 360).

Parameters:

[in]	width	The width of the circle
[in]	steps	The number of steps to divide the circle into

Definition at line 202 of file GLHelper.cpp.

Referenced by drawAction_drawBlinker(), drawAction_drawVehicleAsPoly(), drawAction_drawVehicleBrakeLight(), GUITriggeredRerouter::drawGL(), GUITrafficLightLogicWrapper::drawGL(), GUIPointOfInterest::drawGL(), GUILaneSpeedTrigger::drawGL(), and GUIBusStop::drawGL().

void GLHelper::drawFilledCircle	(	SUMOReal	width,
		int	steps,
		SUMOReal	beg,
		SUMOReal	end
	)		`[static]`

Draws a filled circle around (0,0)

The circle is drawn use GL_TRIANGLES.

Parameters:

[in]	width	The width of the circle
[in]	steps	The number of steps to divide the circle into
[in]	beg	The begin angle in degress
[in]	end	The end angle in degress

Definition at line 208 of file GLHelper.cpp.

References myCircleCoords, PI, and SUMOReal.

void GLHelper::drawFilledPoly	(	const PositionVector &	v,
		bool	close
	)		`[static]`

Draws a filled polygon described by the list of points.

Parameters:

[in]	v	The polygon to draw
[in]	close	Whether the first point shall be appended

Definition at line 59 of file GLHelper.cpp.

References PositionVector::getCont(), PositionVector::size(), Position::x(), and Position::y().

Referenced by GUIJunctionWrapper::drawGL().

void GLHelper::drawLine	(	const Position &	beg1,
		const Position &	beg2,
		SUMOReal	rot,
		SUMOReal	visLength
	)		`[static]`

Draws a thin line using the mean of both given points as begin position.

The line is drawn as a GL_LINES.

Parameters:

[in]	beg1	One of the begin positions of the line to use the mean of
[in]	beg2	One of the begin positions of the line to use the mean of
[in]	rot	The direction the line shall be drawn to (in radiants)
[in]	visLength	The length of the line

Definition at line 164 of file GLHelper.cpp.

References Position::x(), and Position::y().

void GLHelper::drawLine ( const PositionVector & v ) [static]

Draws a thin line along the given position vector.

The line is drawn as a GL_LINES.

Parameters:

[in] v The positions vector to use

Definition at line 179 of file GLHelper.cpp.

References PositionVector::size().

void GLHelper::drawLine	(	const Position &	beg,
		const Position &	end
	)		`[static]`

Draws a thin line between the two points.

The line is drawn as a GL_LINES.

Parameters:

[in]	beg	Begin of the line
[in]	end	End of the line

Definition at line 192 of file GLHelper.cpp.

References Position::x(), and Position::y().

void GLHelper::drawLine	(	const Position &	beg,
		SUMOReal	rot,
		SUMOReal	visLength
	)		`[static]`

Draws a thin line.

The line is drawn as a GL_LINES.

Parameters:

[in]	beg	The begin position of the line
[in]	rot	The direction the line shall be drawn to (in radiants)
[in]	visLength	The length of the line

Definition at line 151 of file GLHelper.cpp.

References Position::x(), and Position::y().

Referenced by GUIVehicle::drawBestLanes(), GUIPolygon::drawGL(), GUILaneWrapper::drawGL(), and GUI_E2_ZS_Collector::MyWrapper::drawGL().

void GLHelper::drawOutlineCircle	(	SUMOReal	width,
		SUMOReal	iwidth,
		int	steps = `8`
	)		`[static]`

Draws an unfilled circle around (0,0)

The circle is drawn by calling drawOutlineCircle(width, iwidth, steps, 0, 360).

Parameters:

[in]	width	The (outer) width of the circle
[in]	iwidth	The inner width of the circle
[in]	steps	The number of steps to divide the circle into

Definition at line 240 of file GLHelper.cpp.

void GLHelper::drawOutlineCircle	(	SUMOReal	width,
		SUMOReal	iwidth,
		int	steps,
		SUMOReal	beg,
		SUMOReal	end
	)		`[static]`

Draws an unfilled circle around (0,0)

The circle is drawn use GL_TRIANGLES.

Parameters:

[in]	width	The (outer) width of the circle
[in]	iwidth	The inner width of the circle
[in]	steps	The number of steps to divide the circle into
[in]	beg	The begin angle in degress
[in]	end	The end angle in degress

Definition at line 246 of file GLHelper.cpp.

References myCircleCoords, PI, and SUMOReal.

void GLHelper::drawText	(	const std::string &	text,
		const Position &	pos,
		const SUMOReal	layer,
		const SUMOReal	size,
		const RGBColor &	col = `RGBColor(0, 0, 0)`,
		const SUMOReal	angle = `0`
	)		`[static]`

draw Text with given parameters

Definition at line 321 of file GLHelper.cpp.

References pfdkGetStringWidth(), pfDrawString(), pfSetPosition(), pfSetScale(), setColor(), SUMOReal, Position::x(), and Position::y().

Referenced by GUIEdge::drawGL(), GUIBusStop::drawGL(), GUIGlObject::drawName(), GUILaneWrapper::ROWdrawAction_drawLinkNo(), and GUILaneWrapper::ROWdrawAction_drawTLSLinkNo().

void GLHelper::drawTextBox	(	const std::string &	text,
		const Position &	pos,
		const SUMOReal	layer,
		const SUMOReal	size,
		const RGBColor &	txtColor = `RGBColor(0, 0, 0)`,
		const RGBColor &	bgColor = `RGBColor(1, 1, 1)`,
		const RGBColor &	borderColor = `RGBColor(0, 0, 0)`,
		const SUMOReal	angle = `0`
	)		`[static]`