#include <EPSDC.hh>

Inheritance diagram for EPSDC:

Collaboration diagram for EPSDC:

Public Member Functions
	EPSDC ()

virtual	~EPSDC ()

virtual bool	Ok () const

virtual void	BeginDrawing ()

virtual void	EndDrawing ()

virtual void	DoDrawText (const wxString &text, wxCoord x, wxCoord y)

virtual void	DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)

virtual void	DoCrossHair (wxCoord x, wxCoord y)

virtual void	DoDrawPoint (wxCoord x, wxCoord y)

virtual void	DoDrawIcon (const wxIcon &icon, wxCoord x, wxCoord y)

virtual void	DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)

virtual void	DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)

virtual void	DoDrawEllipticArc (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double start, double end)

virtual bool	DoFloodFill (wxCoord x, wxCoord y, const wxColour &colour, int style)

virtual void	DoDrawBitmap (const wxBitmap &bitmap, wxCoord x, wxCoord y, bool transparent)

virtual void	DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset=0, wxCoord yoffset=0, int fillStyle=wxODDEVEN_RULE)

virtual void	DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height)

virtual void	DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius=20)

virtual void	DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)

virtual void	DoDrawRotatedText (const wxString &text, wxCoord x, wxCoord y, double angle)

virtual bool	DoBlit (wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC *source, wxCoord xsrc, wxCoord ysrc, int logicalFunc=wxCOPY, bool useMask=false, wxCoord xsrcMask=-1, wxCoord ysrcMask=-1)

virtual void	DoGetSize (wxCoord width, wxCoord height) const

virtual void	DoGetTextExtent (const wxString &text, wxCoord w, wxCoord h, wxCoord descent=NULL, wxCoord externalLeading=NULL, wxFont *font=NULL) const

virtual bool	DoGetPixel (wxCoord x, wxCoord y, wxColour *colour) const

virtual void	DoSetClippingRegionAsRegion (const wxRegion &region)

virtual bool	CanDrawBitmap () const

virtual bool	CanGetTextExtent () const

virtual void	Clear ()

virtual void	SetFont (const wxFont &font)

virtual void	SetPen (const wxPen &pen)

virtual void	SetBrush (const wxBrush &brush)

virtual void	SetBackground (const wxBrush &brush)

virtual void	SetBackgroundMode (int mode)

virtual void	SetPalette (const wxPalette &palette)

virtual void	SetLogicalFunction (int function)

virtual wxCoord	GetCharHeight () const

virtual wxCoord	GetCharWidth () const

virtual int	GetDepth () const

virtual bool	StartDoc (const wxString &message)

virtual void	EndDoc ()

virtual void	StartPage ()

virtual void	EndPage ()

void	setTitle (const std::string &title)

void	setCreator (const std::string &creator)

void	writeToStream (std::ostream &stream)

Private Member Functions
void	setLineColour (const wxColour &colour)

void	setFillColour (const wxColour &colour)

void	drawCircle (int x, int y, unsigned radius)

Private Attributes
EPSGenerator	eps_
	EPSGenerator generating the postscript code.

bool	fill_
	True, if background brush is set to fill the shapes.

unsigned	fontSize_
	Current font size.

Detailed Description

Encapsulated postscript device context.

EPSDC is a wxWidgets device context for drawing graphics and text to an eps file.

Definition at line 48 of file EPSDC.hh.

Constructor & Destructor Documentation

◆ EPSDC()

EPSDC::EPSDC ( )

The Constructor.

Definition at line 42 of file EPSDC.cc.

42 : wxDC(), fill_(false), fontSize_(0) {

43}

EPSDC::fill_

bool fill_

True, if background brush is set to fill the shapes.

Definition EPSDC.hh:191

EPSDC::fontSize_

unsigned fontSize_

Current font size.

Definition EPSDC.hh:193

◆ ~EPSDC()

EPSDC::~EPSDC ( )

virtual

The Destructor.

Definition at line 48 of file EPSDC.cc.

48 {

49}

Member Function Documentation

◆ BeginDrawing()

void EPSDC::BeginDrawing ( )

virtual

Called before the drawing ends.

Definition at line 300 of file EPSDC.cc.

                    {
    // Do nothing.
}

◆ CanDrawBitmap()

bool EPSDC::CanDrawBitmap ( ) const

virtual

Bitmap drawing not implemented.

Returns: Always false.

Definition at line 220 of file EPSDC.cc.

                           {
    return false;
}

◆ CanGetTextExtent()

bool EPSDC::CanGetTextExtent ( ) const

virtual

NOT IMPLEMENTED

Returns: Always false.

Definition at line 490 of file EPSDC.cc.

                              {
    return false;
}

◆ Clear()

void EPSDC::Clear ( )

virtual

Clears all drawings on the canvas.

Definition at line 136 of file EPSDC.cc.

             {
    eps_.clearBuffer();
}

References EPSGenerator::clearBuffer(), and eps_.

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◆ DoBlit()

bool EPSDC::DoBlit	(	wxCoord	xdest,
		wxCoord	ydest,
		wxCoord	width,
		wxCoord	height,
		wxDC *	source,
		wxCoord	xsrc,
		wxCoord	ysrc,
		int	logicalFunc = `wxCOPY`,
		bool	useMask = `false`,
		wxCoord	xsrcMask = `-1`,
		wxCoord	ysrcMask = `-1`
	)

virtual

NOT IMPLEMENTED

Definition at line 386 of file EPSDC.cc.

             {
 
    return false;
}

◆ DoCrossHair()

void EPSDC::DoCrossHair	(	wxCoord	x,
		wxCoord	y
	)

virtual

NOT IMPLEMENTED

Definition at line 285 of file EPSDC.cc.

285 {

286}

◆ DoDrawArc()

void EPSDC::DoDrawArc	(	wxCoord	x1,
		wxCoord	y1,
		wxCoord	x2,
		wxCoord	y2,
		wxCoord	xc,
		wxCoord	yc
	)

virtual

NOT IMPLEMENTED

Definition at line 271 of file EPSDC.cc.

271 {

272}

◆ DoDrawBitmap()

void EPSDC::DoDrawBitmap	(	const wxBitmap &	bitmap,
		wxCoord	x,
		wxCoord	y,
		bool	transparent
	)

virtual

NOT IMPLEMENTED

Definition at line 293 of file EPSDC.cc.

293 {

294}

◆ DoDrawEllipse()

void EPSDC::DoDrawEllipse	(	wxCoord	x,
		wxCoord	y,
		wxCoord	width,
		wxCoord	height
	)

virtual

Draws an ellipse on the dc.

Parameters

x	Ellipse bounding box lower left corner x-coordinate.
y	Ellipse bounding box lower left corner y-coordinate.
width	Ellipse width.
height	Ellipse height.

Definition at line 361 of file EPSDC.cc.

                                                                        {
 
    y = -1 * y -height;
 
    // Check if the ellipse is actually circle, which will generated more
    // simple postscript-code.
    if (width == height) {
        x += width / 2;
        y += width / 2;
        drawCircle(x, y, width / 2);
        return;
    }
 
    if (fill_) {
        eps_.drawFilledEllipse(x, y, width, height);
    } else {
        eps_.drawEllipse(x, y, width, height);
    }
}

References drawCircle(), EPSGenerator::drawEllipse(), EPSGenerator::drawFilledEllipse(), eps_, and fill_.

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◆ DoDrawEllipticArc()

void EPSDC::DoDrawEllipticArc	(	wxCoord	x,
		wxCoord	y,
		wxCoord	width,
		wxCoord	height,
		double	start,
		double	end
	)

virtual

NOT IMPLEMENTED

Definition at line 330 of file EPSDC.cc.

336 {

337}

◆ DoDrawIcon()

void EPSDC::DoDrawIcon	(	const wxIcon &	icon,
		wxCoord	x,
		wxCoord	y
	)

virtual

NOT IMPLEMENTED

Definition at line 278 of file EPSDC.cc.

278 {

279}

◆ DoDrawLine()

void EPSDC::DoDrawLine	(	wxCoord	x1,
		wxCoord	y1,
		wxCoord	x2,
		wxCoord	y2
	)

virtual

Draws a line on the dc.

Parameters

x1	x-coordinate of the first end of the line.
y1	y-coordinate of the first end of the line.
x2	x-coordinate of the second end of the line.
y2	y-coordinate of the second end of the line.

Definition at line 70 of file EPSDC.cc.

                                                                {
    eps_.drawLine(x1, -1 * y1, x2, -1 * y2);
}

References EPSGenerator::drawLine(), and eps_.

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◆ DoDrawLines()

void EPSDC::DoDrawLines	(	int	n,
		wxPoint	points[],
		wxCoord	xoffset,
		wxCoord	yoffset
	)

virtual

NOT IMPLEMENTED

Definition at line 318 of file EPSDC.cc.

322 {

323}

◆ DoDrawPoint()

void EPSDC::DoDrawPoint	(	wxCoord	x,
		wxCoord	y
	)

virtual

NOT IMPLEMENTED.

Definition at line 248 of file EPSDC.cc.

248 {

249}

◆ DoDrawPolygon()

void EPSDC::DoDrawPolygon	(	int	n,
		wxPoint	vertices[],
		wxCoord	xOffset = `0`,
		wxCoord	yOffset = `0`,
		int	fillStyle = `wxODDEVEN_RULE`
	)

virtual

Draws a polygon on the dc.

Parameters

n	Number of vertices.
vertices	Vertices.
xOffset	Offset for x-coordinates.
yOffset	Offset for y-coordinates.

Definition at line 83 of file EPSDC.cc.

           {
 
    // Create VertexList of the vertices.
    VertexList list;
    for (int i = 0; i < n; i++) {
        list.addVertex(vertices[i].x + xOffset, -1 * (vertices[i].y + yOffset));
    }
 
    if (fill_) {
        eps_.drawFilledPolygon(list);
    } else {
        eps_.drawPolygon(list);
    }
 
}

References VertexList::addVertex(), EPSGenerator::drawFilledPolygon(), EPSGenerator::drawPolygon(), eps_, and fill_.

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◆ DoDrawRectangle()

void EPSDC::DoDrawRectangle	(	wxCoord	x,
		wxCoord	y,
		wxCoord	width,
		wxCoord	height
	)

virtual

Draws a rectangle on the dc.

Parameters

x	Lower left corner x-coordinate of the canvas.
y	Lower left corner y-coordinate of the canvas.

Definition at line 111 of file EPSDC.cc.

                                                                          {
    if (fill_) {
        eps_.drawFilledRectangle(x, (-1 * y - height), width, height);
    } else {
        eps_.drawRectangle(x, (-1 * y - height), width, height);
    }
}

References EPSGenerator::drawFilledRectangle(), EPSGenerator::drawRectangle(), eps_, and fill_.

Referenced by DoDrawRoundedRectangle().

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◆ DoDrawRotatedText()

void EPSDC::DoDrawRotatedText	(	const wxString &	text,
		wxCoord	x,
		wxCoord	y,
		double	angle
	)

virtual

NOT IMPLEMENTED.

Definition at line 240 of file EPSDC.cc.

241 {

242}

◆ DoDrawRoundedRectangle()

void EPSDC::DoDrawRoundedRectangle	(	wxCoord	x,
		wxCoord	y,
		wxCoord	width,
		wxCoord	height,
		double	radius = `20`
	)

virtual

Not implemented, falls back to a rectangle.

Definition at line 343 of file EPSDC.cc.

                {
    DoDrawRectangle(x, y, width, height);
}

References DoDrawRectangle().

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◆ DoDrawText()

void EPSDC::DoDrawText	(	const wxString &	text,
		wxCoord	x,
		wxCoord	y
	)

virtual

Draws text on the dc.

Parameters

text	Text to draw.
x	x-coordinate of the lower left corner of the text.
y	y-coordinate of the lower left corner of the text.

Definition at line 127 of file EPSDC.cc.

                                                            {
    std::string textStr = WxConversion::toString(text);
    eps_.drawText(x, -1 * y - 12, textStr);
}

References EPSGenerator::drawText(), eps_, and WxConversion::toString().

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◆ DoFloodFill()

bool EPSDC::DoFloodFill	(	wxCoord	x,
		wxCoord	y,
		const wxColour &	colour,
		int	style
	)

virtual

NOT IMPLEMENTED

Definition at line 255 of file EPSDC.cc.

                                                         {
    return false;
}

◆ DoGetPixel()

bool EPSDC::DoGetPixel	(	wxCoord	x,
		wxCoord	y,
		wxColour *	colour
	)		const

virtual

NOT IMPLEMENTED

Returns: Always false.

Definition at line 472 of file EPSDC.cc.

                                                   {
    return false;
}

◆ DoGetSize()

void EPSDC::DoGetSize	(	wxCoord *	width,
		wxCoord *	height
	)		const

virtual

NOT IMPLEMENTED

Definition at line 264 of file EPSDC.cc.

264 {

265}

◆ DoGetTextExtent()

void EPSDC::DoGetTextExtent	(	const wxString &	text,
		wxCoord *	w,
		wxCoord *	h,
		wxCoord *	descent = `NULL`,
		wxCoord *	externalLeading = `NULL`,
		wxFont *	font = `NULL`
	)		const

virtual

Returns crude approximation of the width and height of a text on the dc.

Parameters

w	Approximation of width is set as the value of w.
h	Approximation of height is set as the value of h.

Definition at line 453 of file EPSDC.cc.

                       {
 
    // TODO: find a better way to approximate text extent.
    *h = fontSize_;
    *w = Conversion::toInt((fontSize_ * 72.0 / 120) * text.Length());
}

References fontSize_, and Conversion::toInt().

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◆ DoSetClippingRegionAsRegion()

void EPSDC::DoSetClippingRegionAsRegion ( const wxRegion & region )

virtual

NOT IMPLEMENTED

Definition at line 480 of file EPSDC.cc.

480 {

481}

◆ drawCircle()

void EPSDC::drawCircle	(	int	x,
		int	y,
		unsigned	radius
	)

private

Draws a circle.

Parameters

x	X-coordinate of the circle centre.
y	Y-coordinate of the circle centre.
radius	Radius of the circle.

Definition at line 437 of file EPSDC.cc.

                                               {
 
    if (fill_) {
        eps_.drawFilledCircle(x, y, radius);
    } else {
        eps_.drawCircle(x, y, radius);
    }
}

References EPSGenerator::drawCircle(), EPSGenerator::drawFilledCircle(), eps_, and fill_.

Referenced by DoDrawEllipse().

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◆ EndDoc()

void EPSDC::EndDoc ( )

virtual

Ends the document that is being drawn on.

Definition at line 576 of file EPSDC.cc.

              {
    // Do nothing.
}

◆ EndDrawing()

void EPSDC::EndDrawing ( )

virtual

Called when the drawing ends.

Definition at line 308 of file EPSDC.cc.

                  {
    // Do nothing.
}

◆ EndPage()

void EPSDC::EndPage ( )

virtual

Ends current page.

Definition at line 568 of file EPSDC.cc.

               {
    // Do nothing.
}

Referenced by MachineCanvas::saveEPS().

◆ GetCharHeight()

wxCoord EPSDC::GetCharHeight ( ) const

virtual

NOT IMPLEMENTED

Returns: Always zero.

Definition at line 532 of file EPSDC.cc.

                           {
    return 0;
}

◆ GetCharWidth()

wxCoord EPSDC::GetCharWidth ( ) const

virtual

NOT IMPLEMENTED

Returns: Always zero.

Definition at line 542 of file EPSDC.cc.

                          {
    return 0;
}

◆ GetDepth()

int EPSDC::GetDepth ( ) const

virtual

NOT IMPLEMENTED

Returns: Always zero.

Definition at line 552 of file EPSDC.cc.

                      {
    return 0;
}

◆ Ok()

bool EPSDC::Ok ( ) const

virtual

Returns true, if the DC is ok to use.

Returns: always true

Definition at line 57 of file EPSDC.cc.

                {
   return true;
}

◆ SetBackground()

void EPSDC::SetBackground ( const wxBrush & brush )

virtual

NOT IMPLEMENTED

Definition at line 499 of file EPSDC.cc.

499 {

500}

◆ SetBackgroundMode()

void EPSDC::SetBackgroundMode ( int mode )

virtual

NOT IMPLEMENTED

Definition at line 507 of file EPSDC.cc.

507 {

508}

◆ SetBrush()

void EPSDC::SetBrush ( const wxBrush & brush )

virtual

Sets the brush used for filling shapes with colour.

Only solid and transparent brushes are supported. Everything else is interpreted as transparent brush.

Definition at line 171 of file EPSDC.cc.

                                    {
    if (brush.GetStyle() == wxSOLID) {
        fill_ = true;
        wxColour fillColour = brush.GetColour();
        setFillColour(fillColour);
    } else {
        fill_ = false;
    }
}

References fill_, and setFillColour().

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◆ setCreator()

void EPSDC::setCreator ( const std::string & creator )

Sets the eps-file creator string.

Parameters

creator String describin the eps file creator.

Definition at line 199 of file EPSDC.cc.

                                          {
    eps_.setCreator(creator);
}

References eps_, and EPSGenerator::setCreator().

Referenced by MachineCanvas::saveEPS().

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◆ setFillColour()

void EPSDC::setFillColour ( const wxColour & colour )

private

Sets the filling colour of the eps generator.

Parameters

colour New filing colour.

Definition at line 421 of file EPSDC.cc.

                                           {
    double redC = (double)colour.Red() / 255;
    double greenC = (double)colour.Green() / 255;
    double blueC = (double)colour.Blue() / 255;
    eps_.setFillColour(redC, greenC, blueC);
}

References eps_, and EPSGenerator::setFillColour().

Referenced by SetBrush().

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◆ SetFont()

void EPSDC::SetFont ( const wxFont & font )

virtual

Sets the dc font.

Only font size is currently set.

Parameters

font	Font to set.

Definition at line 148 of file EPSDC.cc.

                                 {
    fontSize_ = font.GetPointSize();
    eps_.setFont(fontSize_);
}

References eps_, fontSize_, and EPSGenerator::setFont().

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◆ setLineColour()

void EPSDC::setLineColour ( const wxColour & colour )

private

Sets the line drawing colour of the eps generator.

Parameters

colour New line drawing colour.

Definition at line 408 of file EPSDC.cc.

                                           {
    double redC = (double)colour.Red() / 255;
    double greenC = (double)colour.Green() / 255;
    double blueC = (double)colour.Blue() / 255;
    eps_.setLineColour(redC, greenC, blueC);
}

References eps_, and EPSGenerator::setLineColour().

Referenced by SetPen().

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◆ SetLogicalFunction()

void EPSDC::SetLogicalFunction ( int function )

virtual

NOT IMPLEMENTED

Definition at line 522 of file EPSDC.cc.

522 {

523}

◆ SetPalette()

void EPSDC::SetPalette ( const wxPalette & palette )

virtual

NOT IMPLEMENTED

Definition at line 515 of file EPSDC.cc.

515 {

516}

◆ SetPen()

void EPSDC::SetPen ( const wxPen & pen )

virtual

NOT IMPLEMENTED

Definition at line 158 of file EPSDC.cc.

                              {
    wxColour lineColour = pen.GetColour();
    eps_.setLineWidth(pen.GetWidth());
    setLineColour(lineColour);
}

References eps_, setLineColour(), and EPSGenerator::setLineWidth().

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◆ setTitle()

void EPSDC::setTitle ( const std::string & title )

Sets the eps-file title.

Parameters

title String which will be set as the eps file title.

Definition at line 189 of file EPSDC.cc.

                                      {
    eps_.setTitle(title);
}

References eps_, and EPSGenerator::setTitle().

Referenced by MachineCanvas::saveEPS().

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◆ StartDoc()

bool EPSDC::StartDoc ( const wxString & message )

virtual

Called by the device context client before the drawing is started.

Returns: Always true.

Definition at line 231 of file EPSDC.cc.

                                 {
    return true;
}

◆ StartPage()

void EPSDC::StartPage ( )

virtual

Starts a new page in the document.

Definition at line 560 of file EPSDC.cc.

                 {
    // Do nothing.
}

Referenced by MachineCanvas::saveEPS().

◆ writeToStream()

void EPSDC::writeToStream ( std::ostream & stream )

Writes the generated eps file to an output stream.

Parameters

stream Output stream where the eps file contents will be written.

Definition at line 209 of file EPSDC.cc.

                                       {
    eps_.writeEPS(stream);
}

References eps_, and EPSGenerator::writeEPS().

Referenced by MachineCanvas::saveEPS().

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Member Data Documentation

◆ eps_

EPSGenerator EPSDC::eps_

private

EPSGenerator generating the postscript code.

Definition at line 189 of file EPSDC.hh.

Referenced by Clear(), DoDrawEllipse(), DoDrawLine(), DoDrawPolygon(), DoDrawRectangle(), DoDrawText(), drawCircle(), setCreator(), setFillColour(), SetFont(), setLineColour(), SetPen(), setTitle(), and writeToStream().

◆ fill_

bool EPSDC::fill_

private

True, if background brush is set to fill the shapes.

Definition at line 191 of file EPSDC.hh.

Referenced by DoDrawEllipse(), DoDrawPolygon(), DoDrawRectangle(), drawCircle(), and SetBrush().

◆ fontSize_

unsigned EPSDC::fontSize_

private

Current font size.

Definition at line 193 of file EPSDC.hh.

Referenced by DoGetTextExtent(), and SetFont().

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

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ EPSDC()

◆ ~EPSDC()

Member Function Documentation

◆ BeginDrawing()

◆ CanDrawBitmap()

◆ CanGetTextExtent()

◆ Clear()

◆ DoBlit()

◆ DoCrossHair()

◆ DoDrawArc()

◆ DoDrawBitmap()

◆ DoDrawEllipse()

◆ DoDrawEllipticArc()

◆ DoDrawIcon()

◆ DoDrawLine()

◆ DoDrawLines()

◆ DoDrawPoint()

◆ DoDrawPolygon()

◆ DoDrawRectangle()

◆ DoDrawRotatedText()

◆ DoDrawRoundedRectangle()

◆ DoDrawText()

◆ DoFloodFill()

◆ DoGetPixel()

◆ DoGetSize()

◆ DoGetTextExtent()

◆ DoSetClippingRegionAsRegion()

◆ drawCircle()

◆ EndDoc()

◆ EndDrawing()

◆ EndPage()

◆ GetCharHeight()

◆ GetCharWidth()

◆ GetDepth()

◆ Ok()

◆ SetBackground()

◆ SetBackgroundMode()

◆ SetBrush()

◆ setCreator()

◆ setFillColour()

◆ SetFont()

◆ setLineColour()

◆ SetLogicalFunction()

◆ SetPalette()

◆ SetPen()

◆ setTitle()

◆ StartDoc()

◆ StartPage()

◆ writeToStream()

Member Data Documentation

◆ eps_

◆ fill_

◆ fontSize_