tools::wps Class Reference

Public Types
enum	rgb_nbit { rgb_bw = 0, rgb_2 = 2, rgb_4 = 4, rgb_8 = 8 }
typedef float	VCol
typedef bool(*	rgb_func) (void *, unsigned int, unsigned int, VCol &, VCol &, VCol &)

Public Member Functions
	wps (std::ostream &a_out)
virtual	~wps ()
bool	open_file (const std::string &a_name, bool a_anonymous=false)
bool	close_file ()
void	PS_PAGE_SCALE (float a_width, float a_height, bool a_portrait=true)
void	PS_SCALE (float a_x, float a_y)
void	PS_TRANSLATE (float a_x, float a_y)
void	PS_ROTATE (float a_x)
void	PS_SAVE ()
void	PS_RESTORE ()
void	PS_BEGIN_PAGE ()
void	PS_END_PAGE ()
void	PS_IMAGE (Uint a_width, Uint a_height, rgb_nbit a_nbit, rgb_func a_proc, void *a_tag)

Protected Member Functions
bool	in_buffer (const char *a_format,...)
bool	PrintFLN (const char *a_format,...)
void	WriteByte (Uchar a_byte)

Static Protected Member Functions
static size_t	METAFILE_RECORD_LENGTH ()
static float	METAFILE_SCALE ()
static char *	get_date ()
static VCol	rgb2grey (VCol a_red, VCol a_green, VCol a_blue)

Protected Attributes
std::ostream &	m_out
float	m_deviceWidth
float	m_deviceHeight
unsigned int	m_pageNumber
FILE *	m_file
std::string	m_fname
std::string	m_string
int	m_gsave
Uchar *	m_buffer
size_t	m_number

Detailed Description

Definition at line 16 of file wps.

Member Typedef Documentation

rgb_func

typedef bool(* tools::wps::rgb_func) (void *, unsigned int, unsigned int, VCol &, VCol &, VCol &)

Definition at line 22 of file wps.

VCol

typedef float tools::wps::VCol

Definition at line 21 of file wps.

Member Enumeration Documentation

rgb_nbit

enum tools::wps::rgb_nbit

Enumerator
rgb_bw
rgb_2
rgb_4
rgb_8

Definition at line 190 of file wps.

                {
    rgb_bw = 0,
    rgb_2 = 2,
    rgb_4 = 4,
    rgb_8 = 8
  };

Constructor & Destructor Documentation

wps()

tools::wps::wps ( std::ostream &  a_out )

inline

Definition at line 24 of file wps.

                        :m_out(a_out){
    m_deviceWidth = (8.5f-1.f)*72*METAFILE_SCALE(); // 540 * METAFILE_SCALE
    m_deviceHeight = 11*72*METAFILE_SCALE();        // 792 * METAFILE_SCALE
    m_pageNumber = 0;
  //m_pagePos = 0;
  //m_markSize = 2;
    m_file = 0;
    m_fname.clear();
    m_string.clear();
    m_gsave = 0;
    m_buffer = new Uchar[METAFILE_RECORD_LENGTH()+1];
    m_number = 0;
 
    //m_param.shade = shade_color;
  }

~wps()

virtual tools::wps::~wps ( )

inlinevirtual

Definition at line 40 of file wps.

                {
    if(m_file) close_file();
    m_string.clear();
    if(m_gsave) {
      m_out << "tools::wps::~wps :"
            << " bad gsave/grestore balance : " << m_gsave
            << std::endl;
    }
    m_gsave = 0;
    delete [] m_buffer;
  }

Member Function Documentation

close_file()

bool tools::wps::close_file ( )

inline

Definition at line 125 of file wps.

                   {
    if(!m_file) return false;
    PS_RESTORE();
    PrintFLN("%%%%Trailer");
    PrintFLN("%%%%Pages: %d",m_pageNumber);
    PrintFLN("%%%%EOF");
    ::fclose(m_file);
    m_file = 0;
    m_fname.clear();
    return true;
  }

get_date()

static char* tools::wps::get_date ( )

inlinestaticprotected

Definition at line 349 of file wps.

                         {
    char*  string;
    time_t d;
    ::time(&d);
    string = ::ctime(&d);
    string[24] = '\0';
    return string;
  }

in_buffer()

bool tools::wps::in_buffer ( const char *  a_format,   ...  )

inlineprotected

Definition at line 362 of file wps.

                                          {
    va_list args;
    va_start(args,a_format);
    bool status = vsprintf(m_string,2048,a_format,args);
    va_end(args);
    if(!status) {
      m_out << "tools::wps::in_buffer : overflow." << std::endl;
      return false;
    }
 
    size_t length = m_string.size();
    if(length>METAFILE_RECORD_LENGTH()) {
      m_out << "tools::wps::in_buffer : overflow." << std::endl;
      return false;
    }
 
    size_t nlength = m_number + length;
    if(nlength>METAFILE_RECORD_LENGTH()) {
      m_buffer[m_number] = '\0';
      if(::fprintf(m_file,"%s\n",(char*)m_buffer)<0) {
        m_out << "tools::wps::in_buffer : fprintf failed." << std::endl;
      }
      m_number = 0;
      nlength = length;
    }
    Uchar* pointer = m_buffer + m_number;
    ::strcpy((char*)pointer,m_string.c_str());
    m_number = nlength;
    return true;
  }

METAFILE_RECORD_LENGTH()

static size_t tools::wps::METAFILE_RECORD_LENGTH ( )

inlinestaticprotected

Definition at line 345 of file wps.

{return 80;}

METAFILE_SCALE()

static float tools::wps::METAFILE_SCALE ( )

inlinestaticprotected

Definition at line 347 of file wps.

{return 1.0f;}

open_file()

bool tools::wps::open_file ( const std::string &  a_name, bool  a_anonymous = false  )

inline

Definition at line 59 of file wps.

                                                                  {
    if(m_file) return false;
 
    m_file = ::fopen(a_name.c_str(),"wb");
    if(!m_file) return false;
    m_fname = a_name;
 
    m_number = 0;
    m_buffer[METAFILE_RECORD_LENGTH()]= '\0';
    m_pageNumber = 0;
    // Header :
    PrintFLN("%%!PS-Adobe-2.0");
    if(a_anonymous) { //usefull for integration tests.
    } else {
      PrintFLN("%%%%Creator: tools::wps.");
      PrintFLN("%%%%CreationDate: %s",get_date());
      PrintFLN("%%%%Title: %s",m_fname.c_str());
    }
    PrintFLN("%%%%Pages: (atend)");
    PrintFLN("%%%%BoundingBox: 0 0 %d %d",(int)m_deviceWidth,(int)m_deviceHeight);
    PrintFLN("%%%%DocumentFonts: Courier-Bold");
    PrintFLN("%%%%DocumentPaperSizes: a4");
    PrintFLN("%%%%EndComments");
    // postscript :
    PS_SAVE();
/*
    // General :
    in_buffer("/n {newpath} def ");
    in_buffer("/cl {closepath} def ");
    in_buffer("/s {stroke} def ");
    in_buffer("/f {fill} def ");
    // Move :
    in_buffer("/m  {moveto} def ");
    in_buffer("/rm {rmoveto} def ");
    in_buffer("/rl {rlineto} def ");
    // Line :
    in_buffer("/lc {setlinecap} def ");
    in_buffer("/lw {setlinewidth} def ");
    in_buffer("/rgb {setrgbcolor} def ");
    in_buffer("/ss {[] 0 setdash} def ");     // style solid.
    in_buffer("/sd {[12 6] 0 setdash} def "); // style dashed
    in_buffer("/so {[6 12] 0 setdash} def "); // style dotted
    in_buffer("/sdo {[18 12 6 12] 0 setdash} def "); // dash dotted
    // Mark :
    m_markSize = 2.;
    in_buffer("/ms 2. def /msi .5 def ");        // mark size
    in_buffer("/cross {ms ms scale -1. -1. rm  ");
    in_buffer ("2. 2. rl 0. -2. rm -2. 2. rl msi msi scale} def ");
    in_buffer("/plus  {ms ms scale -1. 0. rm 2. 0. rl ");
    in_buffer("-1. 1. rm 0. -2. rl msi msi scale} def ");
    in_buffer("/asterisk {ms ms scale -1. 0. rm 2. 0. rl -1. 1. rm ");
    in_buffer("0. -2. rl 0. 1. rm -0.707 -0.707 rm 1.414 1.414 rl ");
    in_buffer("0. -1.414 rm -1.414 1.414 rl msi msi scale} def ");
    in_buffer("/star {ms ms scale 0. 1. rm -0.6 -1.5 rl ");
    in_buffer("1.2 0. rl -0.6 1.5 rl msi msi scale} def ");
    // Text :
    in_buffer("/sh {show} def ");
    in_buffer("/df {/Courier-Bold findfont} def ");
    in_buffer("/mf {makefont setfont} def ");
*/
 
    PrintFLN("%%%%EndProlog");
 
    return true;
  }

PrintFLN()

bool tools::wps::PrintFLN ( const char *  a_format,   ...  )

inlineprotected

Definition at line 393 of file wps.

                                         {
    va_list args;
    va_start(args,a_format);
    bool status = vsprintf(m_string,2048,a_format,args);
    va_end(args);
    if(!status) {
      m_out << "tools::wps::PrintFLN : overflow." << std::endl;
      return false;
    }
 
    // put buffer in file :
    if(m_number>0) {
      m_buffer[m_number] = '\0';
      if(::fprintf(m_file,"%s\n",(char*)m_buffer)<0) {
        m_out << "tools::wps::PrintFLN : fprintf failed." << std::endl;
      }
      m_number = 0;
    }
    if(::fprintf(m_file,"%s\n",m_string.c_str())<0) {
      m_out << "tools::wps::PrintFLN : fprintf failed." << std::endl;
    }
 
    return true;
  }

PS_BEGIN_PAGE()

void tools::wps::PS_BEGIN_PAGE ( )

inline

Definition at line 179 of file wps.

                      {
    m_pageNumber++;
    PrintFLN("%%%%Page: %d %d",m_pageNumber,m_pageNumber);
    PS_SAVE();
  }

PS_END_PAGE()

void tools::wps::PS_END_PAGE ( )

inline

Definition at line 185 of file wps.

                    {
    in_buffer("showpage ");
    PS_RESTORE();
  }

PS_IMAGE()

void tools::wps::PS_IMAGE ( Uint  a_width, Uint  a_height, rgb_nbit  a_nbit, rgb_func  a_proc, void *  a_tag  )

inline

Definition at line 197 of file wps.

                                                                                       {
    //NOTE : no check done on [a_width,a_height] being zero.
 
    Uint   row,col;
    VCol   dr,dg,db;
    Uchar  red,green,blue,b;
 
    PS_SAVE();
    in_buffer("%d %d scale ", a_width, a_height );
    bool status = true;
    if(a_nbit==rgb_bw) { //grey or black_white
      in_buffer   ("/picstr %d string def ",a_width);
      in_buffer   ("%d %d %d ",a_width,a_height,8);
      in_buffer   ("[ %d 0 0 -%d 0 %d ] ",a_width,a_height,a_height);
      in_buffer   ("{ currentfile picstr readhexstring pop } " );
      PrintFLN ("image " );
      for ( row = 0; row < a_height; row++ ) {
        for ( col = 0; col < a_width; col++) {
          status = a_proc(a_tag,col,row,dr,dg,db)?status:false;
          VCol fgrey = rgb2grey(dr,dg,db);
          Uchar grey = (Uchar) ( 255.0F * fgrey);
          WriteByte(grey);
        }
      }
      int nbhex = a_width * a_height * 2;
      PrintFLN ("%%%% nbhex digit          :%d ",nbhex);
      PrintFLN ("%%%% nbhex/record_length  :%d ",
                int(nbhex/METAFILE_RECORD_LENGTH()));
      PrintFLN ("%%%% nbhex%%record_length :%d ",
                int(nbhex%METAFILE_RECORD_LENGTH()));
 
    } else if(a_nbit==rgb_2) {
      int nbyte2 = (a_width   *  3)/4;
      nbyte2 /=3;
      nbyte2 *=3;
      Uint col_max = (nbyte2  *  4)/3;
      // 2 bit for r and g and b.
      // rgbs following each other.
      in_buffer   ("/rgbstr %d string def ",nbyte2);
      in_buffer   ("%d %d %d ",col_max,a_height,2);
      in_buffer   ("[ %d 0 0 -%d 0 %d ] ",col_max,a_height,a_height);
      in_buffer   ("{ currentfile rgbstr readhexstring pop } " );
      in_buffer   ("false 3 " );
      PrintFLN ("colorimage " );
      for ( row = 0; row < a_height; row++ ) {
        for ( col = 0; col < col_max; col+=4) {
          status  = a_proc(a_tag,col,row,dr,dg,db)?status:false;
          red     = (Uchar) ( 3.0F * dr);
          green   = (Uchar) ( 3.0F * dg);
          blue    = (Uchar) ( 3.0F * db);
          b       = red;
          b       = (b<<2)+green;
          b       = (b<<2)+blue;
 
          status  = a_proc(a_tag,col+1,row,dr,dg,db)?status:false;
          red     = (Uchar) ( 3.0F * dr);
          green   = (Uchar) ( 3.0F * dg);
          blue    = (Uchar) ( 3.0F * db);
          b       = (b<<2)+red;
          WriteByte(b);
 
          b       = green;
          b       = (b<<2)+blue;
 
          status  = a_proc(a_tag,col+2,row,dr,dg,db)?status:false;
          red     = (Uchar) ( 3.0F * dr);
          green   = (Uchar) ( 3.0F * dg);
          blue    = (Uchar) ( 3.0F * db);
          b     = (b<<2)+red;
          b     = (b<<2)+green;
          WriteByte(b);
          b       = blue;
 
          status  = a_proc(a_tag,col+3,row,dr,dg,db)?status:false;
          red     = (Uchar) ( 3.0F * dr);
          green   = (Uchar) ( 3.0F * dg);
          blue    = (Uchar) ( 3.0F * db);
          b     = (b<<2)+red;
          b     = (b<<2)+green;
          b     = (b<<2)+blue;
          WriteByte(b);
        }
      }
 
    } else if(a_nbit==rgb_4) {
      int nbyte4 = (a_width  * 3)/2;
      nbyte4 /=3;
      nbyte4 *=3;
      Uint col_max = (nbyte4 * 2)/3;
      // 4 bit for r and g and b.
      // rgbs following each other.
      in_buffer   ("/rgbstr %d string def ",nbyte4);
      in_buffer   ("%d %d %d ",col_max,a_height,4);
      in_buffer   ("[ %d 0 0 -%d 0 %d ] ",col_max,a_height,a_height);
      in_buffer   ("{ currentfile rgbstr readhexstring pop } " );
      in_buffer   ("false 3 " );
      PrintFLN ("colorimage " );
      for ( row = 0; row < a_height; row++ ) {
        for ( col = 0; col < col_max; col+=2) {
          status  = a_proc(a_tag,col,row,dr,dg,db)?status:false;
          red     = (Uchar) ( 15.0F * dr);
          green   = (Uchar) ( 15.0F * dg);
          in_buffer ("%x%x",red,green);
          blue    = (Uchar) ( 15.0F * db);
 
          status  = a_proc(a_tag,col+1,row,dr,dg,db)?status:false;
          red     = (Uchar) ( 15.0F * dr);
          in_buffer ("%x%x",blue,red);
          green   = (Uchar) ( 15.0F * dg);
          blue    = (Uchar) ( 15.0F * db);
          in_buffer ("%x%x",green,blue);
        }
      }
 
    } else if(a_nbit==rgb_8) {
      int nbyte8 = a_width   * 3;
      // 8 bit for r and g and b.
      in_buffer   ("/rgbstr %d string def ",nbyte8);
      in_buffer   ("%d %d %d ",a_width,a_height,8);
      in_buffer   ("[ %d 0 0 -%d 0 %d ] ",a_width,a_height,a_height);
      in_buffer   ("{ currentfile rgbstr readhexstring pop } " );
      in_buffer   ("false 3 " );
      PrintFLN   ("colorimage " );
      for ( row = 0; row < a_height; row++ ) {
        for ( col = 0; col < a_width; col++) {
          status     = a_proc(a_tag,col,row,dr,dg,db)?status:false;
          red        = (Uchar) ( 255.0F * dr);
          WriteByte (red);
          green      = (Uchar) ( 255.0F * dg);
          WriteByte (green);
          blue       = (Uchar) ( 255.0F * db);
          WriteByte (blue);
        }
      }
    } else {
      m_out << "PS_IMAGE :"
            << " unknown rgb nbit " << a_nbit
            << std::endl;
    }
    if(!status) {
      m_out << "PS_IMAGE :"
            << " problem to retrieve some pixel rgb."
            << std::endl;
    }
    PS_RESTORE();
  }

PS_PAGE_SCALE()

void tools::wps::PS_PAGE_SCALE ( float  a_width, float  a_height, bool  a_portrait = true  )

inline

Definition at line 137 of file wps.

                                                                         {
    //NOTE : no check done on [a_width,a_height]<=0
 
    PS_SCALE(1/METAFILE_SCALE(),1/METAFILE_SCALE());
    PS_TRANSLATE(m_deviceWidth/20,m_deviceHeight/30);
 
    float scale;
    if(m_deviceWidth<=m_deviceHeight) {
      scale = (a_height<=a_width?m_deviceWidth/a_width:m_deviceWidth/a_height);
    } else {
      scale = (a_height<=a_width?m_deviceHeight/a_width:m_deviceHeight/a_height);
    }
 
   {float xtra,ytra;
    if(a_portrait) {
      xtra = (m_deviceWidth  - scale * a_width)/2;
      ytra = (m_deviceHeight - scale * a_height)/2;
    } else {
      PS_TRANSLATE(m_deviceWidth,0);
      PS_ROTATE(90);
      xtra = (m_deviceHeight - scale * a_width)/2;
      ytra = (m_deviceWidth  - scale * a_height)/2;
    }
    PS_TRANSLATE(xtra,ytra);}
 
    PS_SCALE(scale,scale);
  }

PS_RESTORE()

void tools::wps::PS_RESTORE ( )

inline

Definition at line 177 of file wps.

{in_buffer("grestore ");m_gsave--;}

PS_ROTATE()

void tools::wps::PS_ROTATE ( float  a_x )

inline

Definition at line 173 of file wps.

{in_buffer("%.2f rotate ",a_x);}

PS_SAVE()

void tools::wps::PS_SAVE ( )

inline

Definition at line 175 of file wps.

{in_buffer("gsave ");m_gsave++;}

PS_SCALE()

void tools::wps::PS_SCALE ( float  a_x, float  a_y  )

inline

Definition at line 165 of file wps.

                                     {
    in_buffer("%.2f %.2f scale ",a_x,a_y);
  }

PS_TRANSLATE()

void tools::wps::PS_TRANSLATE ( float  a_x, float  a_y  )

inline

Definition at line 169 of file wps.

                                        {
    in_buffer("%.2f %.2f translate ",a_x,a_y);
  }

rgb2grey()

static VCol tools::wps::rgb2grey ( VCol  a_red, VCol  a_green, VCol  a_blue  )

inlinestaticprotected

Definition at line 358 of file wps.

                                                           {
    return (0.30f * a_red + 0.59f * a_green + 0.11f * a_blue);
  }

WriteByte()

void tools::wps::WriteByte ( Uchar  a_byte )

inlineprotected

Definition at line 418 of file wps.

                              {
    Uchar h = a_byte / 16;
    Uchar l = a_byte % 16;
    in_buffer("%x%x",h,l);
  }

Member Data Documentation

m_buffer

Uchar* tools::wps::m_buffer

protected

Definition at line 434 of file wps.

m_deviceHeight

float tools::wps::m_deviceHeight

protected

Definition at line 427 of file wps.

m_deviceWidth

float tools::wps::m_deviceWidth

protected

Definition at line 426 of file wps.

m_file

FILE* tools::wps::m_file

protected

Definition at line 430 of file wps.

m_fname

std::string tools::wps::m_fname

protected

Definition at line 431 of file wps.

m_gsave

int tools::wps::m_gsave

protected

Definition at line 433 of file wps.

m_number

size_t tools::wps::m_number

protected

Definition at line 435 of file wps.

m_out

std::ostream& tools::wps::m_out

protected

Definition at line 425 of file wps.

m_pageNumber

unsigned int tools::wps::m_pageNumber

protected

Definition at line 428 of file wps.

m_string

std::string tools::wps::m_string

protected

Definition at line 432 of file wps.

---

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

• /Users/barrand/private/dev/softinex/g4tools/g4tools/tools/wps