PoDoFo::PdfPainterPath Class Reference

This class describes PDF paths being written to a PdfPainter. More...

#include <PdfPainterPath.h>

Public Member Functions
void	MoveTo (double x, double y)
	Begin a new path. More...
void	AddLineTo (double x, double y)
	Append a straight line segment from the current point to the point (x, y) to the path Matches the PDF 'l' operator. More...
void	AddLine (double x1, double y1, double x2, double y2)
	Add straight line segment from the point (x1, y1) to (x2, y2) the path Matches the PDF 'l' operator. More...
void	AddCubicBezierTo (double x1, double y1, double x2, double y2, double x3, double y3)
	Append a cubic bezier curve from from the current point to the current path Matches the PDF 'c' operator. More...
void	AddCubicBezier (double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
	Add a cubic bezier curve starting from the (x1,y1) point to the current path. More...
void	AddCircle (double x, double y, double radius)
	Add a circle into the current path to the given coordinates. More...
void	AddEllipse (double x, double y, double width, double height)
	Add an ellipse into the current path to the given coordinates. More...
void	AddArc (double x, double y, double radius, double angle1, double angle2, bool clockwise=false)
	Add a counter clockwise arc into the current path spanning to the given angles and radius This is the equivalent of the "arc"/"arcn" operators in PostScript. More...
void	AddArcTo (double x1, double y1, double x2, double y2, double radius)
	Append an arc from the current point to the current path This is the equivalent of the "arct" operator in PostScript. More...
void	AddRectangle (double x, double y, double width, double height, double roundX=0.0, double roundY=0.0)
	Add a rectangle into the current path to the given coordinates. More...
void	AddRectangle (const Rect &rect, double roundX=0.0, double roundY=0.0)
	Add a rectangle into the current path to the given coordinates. More...
void	AddPath (const PdfPainterPath &path, bool connect)
	Add a path to the current path. More...
void	Close ()
	Closes the current path by drawing a line from the current point to the starting point of the path. More...
void	Reset ()
	Clear the path currently building and reset the internal state.
std::string_view	GetContent () const
	Get a string view of the current content stream being built.
const Vector2 &	GetFirstPoint () const
	Get the coordinates of the first point.
const Vector2 &	GetCurrentPoint () const
	Get the coordinates of the current point.

Detailed Description

This class describes PDF paths being written to a PdfPainter.

Member Function Documentation

AddArc()

void PdfPainterPath::AddArc	(	double	x,
		double	y,
		double	radius,
		double	angle1,
		double	angle2,
		bool	clockwise = false
	)

Add a counter clockwise arc into the current path spanning to the given angles and radius This is the equivalent of the "arc"/"arcn" operators in PostScript.

Parameters

x	x coordinate of the center of the arc (left coordinate)
y	y coordinate of the center of the arc (top coordinate)
radius	radius
angle1	angle1 in radians measured counterclockwise from the origin
angle2	angle2 in radians measured counterclockwise from the origin
clockwise	The arc is drawn clockwise instead

AddArcTo()

void PdfPainterPath::AddArcTo	(	double	x1,
		double	y1,
		double	x2,
		double	y2,
		double	radius
	)

Append an arc from the current point to the current path This is the equivalent of the "arct" operator in PostScript.

Parameters

x1	x coordinate the first control point
y1	y coordinate the first control point
x2	x coordinate of the end point, which is the new current point
y2	y coordinate of the end point, which is the new current point
radius	radius

AddCircle()

void PdfPainterPath::AddCircle	(	double	x,
		double	y,
		double	radius
	)

Add a circle into the current path to the given coordinates.

Parameters

x	x center coordinate of the circle
y	y coordinate of the circle
radius	radius of the circle

AddCubicBezier()

void PdfPainterPath::AddCubicBezier	(	double	x1,
		double	y1,
		double	x2,
		double	y2,
		double	x3,
		double	y3,
		double	x4,
		double	y4
	)

Add a cubic bezier curve starting from the (x1,y1) point to the current path.

Parameters

x1	x coordinate of the starting point
y1	y coordinate of the starting point
x2	x coordinate of the first control point
y2	y coordinate of the first control point
x3	x coordinate of the second control point
y3	y coordinate of the second control point
x4	x coordinate of the end point, which is the new current point
y4	y coordinate of the end point, which is the new current point

AddCubicBezierTo()

void PdfPainterPath::AddCubicBezierTo	(	double	x1,
		double	y1,
		double	x2,
		double	y2,
		double	x3,
		double	y3
	)

Append a cubic bezier curve from from the current point to the current path Matches the PDF 'c' operator.

Parameters

x1	x coordinate of the first control point
y1	y coordinate of the first control point
x2	x coordinate of the second control point
y2	y coordinate of the second control point
x3	x coordinate of the end point, which is the new current point
y3	y coordinate of the end point, which is the new current point

AddEllipse()

void PdfPainterPath::AddEllipse	(	double	x,
		double	y,
		double	width,
		double	height
	)

Add an ellipse into the current path to the given coordinates.

Parameters

x	x coordinate of the ellipse (left coordinate)
y	y coordinate of the ellipse (top coordinate)
width	width of the ellipse
height	absolute height of the ellipse

AddLine()

void PdfPainterPath::AddLine	(	double	x1,
		double	y1,
		double	x2,
		double	y2
	)

Add straight line segment from the point (x1, y1) to (x2, y2) the path Matches the PDF 'l' operator.

Parameters

x1	x coordinate of the first point
y1	y coordinate of the first point
x2	x coordinate of the second point
y2	y coordinate of the second point

AddLineTo()

void PdfPainterPath::AddLineTo	(	double	x,
		double	y
	)

Append a straight line segment from the current point to the point (x, y) to the path Matches the PDF 'l' operator.

Parameters

x	x position
y	y position

AddPath()

void PdfPainterPath::AddPath	(	const PdfPainterPath &	path,
		bool	connect
	)

Add a path to the current path.

Parameters

path	the path to add
connect	true if connect the first figure of the given the path to the last figure of this path

AddRectangle() [1/2]

void PdfPainterPath::AddRectangle	(	const Rect &	rect,
		double	roundX = 0.0,
		double	roundY = 0.0
	)

Add a rectangle into the current path to the given coordinates.

Parameters

rect	the rectangle area
roundX	rounding factor, x direction
roundY	rounding factor, y direction

AddRectangle() [2/2]

void PdfPainterPath::AddRectangle	(	double	x,
		double	y,
		double	width,
		double	height,
		double	roundX = 0.0,
		double	roundY = 0.0
	)

Add a rectangle into the current path to the given coordinates.

Parameters

x	x coordinate of the rectangle (left coordinate)
y	y coordinate of the rectangle (bottom coordinate)
width	width of the rectangle
height	absolute height of the rectangle
roundX	rounding factor, x direction
roundY	rounding factor, y direction

Close()

void PdfPainterPath::Close

(

)

Closes the current path by drawing a line from the current point to the starting point of the path.

Matches the PDF 'h' operator. This function is useful to construct a closed path or clipping.

MoveTo()

void PdfPainterPath::MoveTo	(	double	x,
		double	y
	)

Begin a new path.

Matches the PDF 'm' operator. This function is useful to construct an own path for drawing or clipping

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

• src/podofo/main/PdfPainterPath.h
• src/podofo/main/PdfPainterPath.cpp