1c82d8e14b
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10251 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
1628 lines
48 KiB
C++
1628 lines
48 KiB
C++
//
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// "$Id$"
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//
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// PostScript device support for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2010-2011 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems to:
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//
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// http://www.fltk.org/str.php
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//
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#include <config.h>
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#include <FL/Fl.H>
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#include <FL/fl_ask.H>
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#include <FL/fl_draw.H>
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#include <stdio.h>
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#include <FL/Fl_PostScript.H>
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#include <FL/Fl_Native_File_Chooser.H>
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#if defined(USE_X11)
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#include "Fl_Font.H"
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#if USE_XFT
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#include <X11/Xft/Xft.h>
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#endif
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#endif
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const char *Fl_PostScript_Graphics_Driver::class_id = "Fl_PostScript_Graphics_Driver";
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const char *Fl_PostScript_File_Device::class_id = "Fl_PostScript_File_Device";
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/** \brief Label of the PostScript file chooser window */
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const char *Fl_PostScript_File_Device::file_chooser_title = "Select a .ps file";
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/**
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@brief The constructor.
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*/
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Fl_PostScript_Graphics_Driver::Fl_PostScript_Graphics_Driver(void)
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{
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close_cmd_ = 0;
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//lang_level_ = 3;
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lang_level_ = 2;
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mask = 0;
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ps_filename_ = NULL;
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scale_x = scale_y = 1.;
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bg_r = bg_g = bg_b = 255;
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}
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/** \brief The destructor. */
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Fl_PostScript_Graphics_Driver::~Fl_PostScript_Graphics_Driver() {
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if(ps_filename_) free(ps_filename_);
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}
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/**
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@brief The constructor.
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*/
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Fl_PostScript_File_Device::Fl_PostScript_File_Device(void)
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{
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#ifdef __APPLE__
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gc = fl_gc; // the display context is used by fl_text_extents()
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#endif
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Fl_Surface_Device::driver( new Fl_PostScript_Graphics_Driver() );
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}
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/**
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\brief Returns the PostScript driver of this drawing surface.
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*/
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Fl_PostScript_Graphics_Driver *Fl_PostScript_File_Device::driver()
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{
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return (Fl_PostScript_Graphics_Driver*)Fl_Surface_Device::driver();
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}
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/**
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@brief Begins the session where all graphics requests will go to a local PostScript file.
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*
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Opens a file dialog entitled with Fl_PostScript_File_Device::file_chooser_title to select an output PostScript file.
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@param pagecount The total number of pages to be created. Use 0 if this number is unknown when this function is called.
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@param format Desired page format.
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@param layout Desired page layout.
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@return 0 if OK, 1 if user cancelled the file dialog, 2 if fopen failed on user-selected output file.
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*/
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int Fl_PostScript_File_Device::start_job (int pagecount, enum Fl_Paged_Device::Page_Format format,
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enum Fl_Paged_Device::Page_Layout layout)
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{
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Fl_Native_File_Chooser fnfc;
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fnfc.title(Fl_PostScript_File_Device::file_chooser_title);
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fnfc.type(Fl_Native_File_Chooser::BROWSE_SAVE_FILE);
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fnfc.options(Fl_Native_File_Chooser::SAVEAS_CONFIRM);
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fnfc.filter("PostScript\t*.ps\n");
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// Show native chooser
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if ( fnfc.show() ) return 1;
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Fl_PostScript_Graphics_Driver *ps = driver();
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ps->output = fl_fopen(fnfc.filename(), "w");
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if(ps->output == NULL) return 2;
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ps->ps_filename_ = strdup(fnfc.filename());
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ps->start_postscript(pagecount, format, layout);
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this->set_current();
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return 0;
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}
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extern "C" {
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static int dont_close(FILE *f)
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{
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return 0;
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}
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}
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/**
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@brief Begins the session where all graphics requests will go to FILE pointer.
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*
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@param ps_output A writable FILE pointer that will receive PostScript output and that should not be closed
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until after end_job() has been called.
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@param pagecount The total number of pages to be created. Use 0 if this number is unknown when this function is called.
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@param format Desired page format.
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@param layout Desired page layout.
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@return always 0.
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*/
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int Fl_PostScript_File_Device::start_job (FILE *ps_output, int pagecount,
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enum Fl_Paged_Device::Page_Format format, enum Fl_Paged_Device::Page_Layout layout)
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{
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Fl_PostScript_Graphics_Driver *ps = driver();
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ps->output = ps_output;
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ps->ps_filename_ = NULL;
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ps->start_postscript(pagecount, format, layout);
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ps->close_command(dont_close); // so that end_job() doesn't close the file
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this->set_current();
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return 0;
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}
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/**
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@brief The destructor.
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*/
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Fl_PostScript_File_Device::~Fl_PostScript_File_Device() {
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Fl_PostScript_Graphics_Driver *ps = driver();
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if (ps) delete ps;
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}
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#ifndef FL_DOXYGEN
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#if ! (defined(__APPLE__) || defined(WIN32) )
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# include "print_panel.cxx"
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#endif
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// Prolog string
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static const char * prolog =
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"%%BeginProlog\n"
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"/L { /y2 exch def\n"
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"/x2 exch def\n"
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"/y1 exch def\n"
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"/x1 exch def\n"
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"newpath x1 y1 moveto x2 y2 lineto\n"
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"stroke}\n"
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"bind def\n"
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"/R { /dy exch def\n"
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"/dx exch def\n"
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"/y exch def\n"
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"/x exch def\n"
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"newpath\n"
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"x y moveto\n"
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"dx 0 rlineto\n"
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"0 dy rlineto\n"
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"dx neg 0 rlineto\n"
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"closepath stroke\n"
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"} bind def\n"
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"/CL {\n"
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"/dy exch def\n"
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"/dx exch def\n"
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"/y exch def\n"
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"/x exch def\n"
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"newpath\n"
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"x y moveto\n"
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"dx 0 rlineto\n"
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"0 dy rlineto\n"
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"dx neg 0 rlineto\n"
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"closepath\n"
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"clip\n"
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"} bind def\n"
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"/FR { /dy exch def\n"
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"/dx exch def\n"
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"/y exch def\n"
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"/x exch def\n"
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"currentlinewidth 0 setlinewidth newpath\n"
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"x y moveto\n"
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"dx 0 rlineto\n"
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"0 dy rlineto\n"
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"dx neg 0 rlineto\n"
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"closepath fill setlinewidth\n"
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"} bind def\n"
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"/GS { gsave } bind def\n"
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"/GR { grestore } bind def\n"
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"/SP { showpage } bind def\n"
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"/LW { setlinewidth } bind def\n"
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"/CF /Courier def\n"
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"/SF { /CF exch def } bind def\n"
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"/fsize 12 def\n"
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"/FS { /fsize exch def fsize CF findfont exch scalefont setfont }def \n"
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"/GL { setgray } bind def\n"
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"/SRGB { setrgbcolor } bind def\n"
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// color images
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"/CI { GS /py exch def /px exch def /sy exch def /sx exch def\n"
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"translate \n"
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"sx sy scale px py 8 \n"
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"[ px 0 0 py neg 0 py ]\n"
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"currentfile /ASCIIHexDecode filter\n false 3"
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" colorimage GR\n"
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"} bind def\n"
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// gray images
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"/GI { GS /py exch def /px exch def /sy exch def /sx exch def \n"
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"translate \n"
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"sx sy scale px py 8 \n"
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"[ px 0 0 py neg 0 py ]\n"
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"currentfile /ASCIIHexDecode filter\n"
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"image GR\n"
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"} bind def\n"
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// single-color bitmask
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"/MI { GS /py exch def /px exch def /sy exch def /sx exch def \n"
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"translate \n"
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"sx sy scale px py true \n"
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"[ px 0 0 py neg 0 py ]\n"
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"currentfile /ASCIIHexDecode filter\n"
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"imagemask GR\n"
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"} bind def\n"
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// path
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"/BFP { newpath moveto } def\n"
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"/BP { newpath } bind def \n"
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"/PL { lineto } bind def \n"
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"/PM { moveto } bind def \n"
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"/MT { moveto } bind def \n"
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"/LT { lineto } bind def \n"
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"/EFP { closepath fill } bind def\n" //was:stroke
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"/ELP { stroke } bind def\n"
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"/ECP { closepath stroke } bind def\n" // Closed (loop)
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"/LW { setlinewidth } bind def\n"
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// ////////////////////////// misc ////////////////
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"/TR { translate } bind def\n"
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"/CT { concat } bind def\n"
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"/RCT { matrix invertmatrix concat} bind def\n"
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"/SC { scale } bind def\n"
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//"/GPD { currentpagedevice /PageSize get} def\n"
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// show at position with desired width
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// usage:
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// width (string) x y show_pos_width
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"/show_pos_width {GS moveto dup dup stringwidth pop exch length 2 div dup 2 le {pop 9999} if "
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"1 sub exch 3 index exch sub exch "
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"div 0 2 index 1 -1 scale ashow pop pop GR} bind def\n" // spacing altered to match desired width
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//"/show_pos_width {GS moveto dup stringwidth pop 3 2 roll exch div -1 matrix scale concat "
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//"show GR } bind def\n" // horizontally scaled text to match desired width
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;
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static const char * prolog_2 = // prolog relevant only if lang_level >1
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// color image dictionaries
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"/CII {GS /inter exch def /py exch def /px exch def /sy exch def /sx exch def \n"
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"translate \n"
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"sx sy scale\n"
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"/DeviceRGB setcolorspace\n"
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"/IDD 8 dict def\n"
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"IDD begin\n"
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"/ImageType 1 def\n"
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"/Width px def\n"
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"/Height py def\n"
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"/BitsPerComponent 8 def\n"
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"/Interpolate inter def\n"
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"/DataSource currentfile /ASCIIHexDecode filter def\n"
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"/MultipleDataSources false def\n"
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"/ImageMatrix [ px 0 0 py neg 0 py ] def\n"
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"/Decode [ 0 1 0 1 0 1 ] def\n"
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"end\n"
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"IDD image GR} bind def\n"
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// gray image dict
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"/GII {GS /inter exch def /py exch def /px exch def /sy exch def /sx exch def \n"
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"translate \n"
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"sx sy scale\n"
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"/DeviceGray setcolorspace\n"
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"/IDD 8 dict def\n"
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"IDD begin\n"
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"/ImageType 1 def\n"
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"/Width px def\n"
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"/Height py def\n"
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"/BitsPerComponent 8 def\n"
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"/Interpolate inter def\n"
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"/DataSource currentfile /ASCIIHexDecode filter def\n"
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"/MultipleDataSources false def\n"
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"/ImageMatrix [ px 0 0 py neg 0 py ] def\n"
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"/Decode [ 0 1 ] def\n"
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"end\n"
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"IDD image GR} bind def\n"
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// Create a custom PostScript font derived from PostScript standard text fonts
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// The encoding of this custom font is as follows:
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// 0000-00FF coincides with Unicode, that is to ASCII + Latin-1
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// 0100-017F coincides with Unicode, that is to Latin Extended-A
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// 0180-01A6 encodes miscellaneous characters present in PostScript standard text fonts
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// use ISOLatin1Encoding for all text fonts
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"/ToISO { dup findfont dup length dict copy begin /Encoding ISOLatin1Encoding def currentdict end definefont pop } def\n"
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"/Helvetica ToISO /Helvetica-Bold ToISO /Helvetica-Oblique ToISO /Helvetica-BoldOblique ToISO \n"
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"/Courier ToISO /Courier-Bold ToISO /Courier-Oblique ToISO /Courier-BoldOblique ToISO \n"
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"/Times-Roman ToISO /Times-Bold ToISO /Times-Italic ToISO /Times-BoldItalic ToISO \n"
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// define LatinExtA, the encoding of Latin-extended-A + some additional characters
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// see http://partners.adobe.com/public/developer/en/opentype/glyphlist.txt for their names
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"/LatinExtA \n"
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"[ "
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" /Amacron /amacron /Abreve /abreve /Aogonek /aogonek\n" // begin of Latin Extended-A code page
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" /Cacute /cacute /Ccircumflex /ccircumflex /Cdotaccent /cdotaccent /Ccaron /ccaron \n"
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" /Dcaron /dcaron /Dcroat /dcroat\n"
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" /Emacron /emacron /Ebreve /ebreve /Edotaccent /edotaccent /Eogonek /eogonek /Ecaron /ecaron\n"
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" /Gcircumflex /gcircumflex /Gbreve /gbreve /Gdotaccent /gdotaccent /Gcommaaccent /gcommaaccent \n"
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" /Hcircumflex /hcircumflex /Hbar /hbar \n"
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" /Itilde /itilde /Imacron /imacron /Ibreve /ibreve /Iogonek /iogonek /Idotaccent /dotlessi \n"
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" /IJ /ij /Jcircumflex /jcircumflex\n"
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" /Kcommaaccent /kcommaaccent /kgreenlandic \n"
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" /Lacute /lacute /Lcommaaccent /lcommaaccent /Lcaron /lcaron /Ldotaccent /ldotaccent /Lslash /lslash \n"
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" /Nacute /nacute /Ncommaaccent /ncommaaccent /Ncaron /ncaron /napostrophe /Eng /eng \n"
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" /Omacron /omacron /Obreve /obreve /Ohungarumlaut /ohungarumlaut /OE /oe \n"
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" /Racute /racute /Rcommaaccent /rcommaaccent /Rcaron /rcaron \n"
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" /Sacute /sacute /Scircumflex /scircumflex /Scedilla /scedilla /Scaron /scaron \n"
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" /Tcommaaccent /tcommaaccent /Tcaron /tcaron /Tbar /tbar \n"
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" /Utilde /utilde /Umacron /umacron /Ubreve /ubreve /Uring /uring /Uhungarumlaut /uhungarumlaut /Uogonek /uogonek \n"
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" /Wcircumflex /wcircumflex /Ycircumflex /ycircumflex /Ydieresis \n"
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" /Zacute /zacute /Zdotaccent /zdotaccent /Zcaron /zcaron \n"
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" /longs \n" // end of Latin Extended-A code page
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" /florin /circumflex /caron /breve /dotaccent /ring \n" // remaining characters from PostScript standard text fonts
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" /ogonek /tilde /hungarumlaut /endash /emdash \n"
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" /quoteleft /quoteright /quotesinglbase /quotedblleft /quotedblright \n"
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" /quotedblbase /dagger /daggerdbl /bullet /ellipsis \n"
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" /perthousand /guilsinglleft /guilsinglright /fraction /Euro \n"
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" /trademark /partialdiff /Delta /summation /radical \n"
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" /infinity /notequal /lessequal /greaterequal /lozenge \n"
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" /fi /fl /apple \n"
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" ] def \n"
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// deal with alternative PostScript names of some characters
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" /mycharstrings /Helvetica findfont /CharStrings get def\n"
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" /PSname2 { dup mycharstrings exch known {LatinExtA 3 -1 roll 3 -1 roll put}{pop pop} ifelse } def \n"
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" 16#20 /Gdot PSname2 16#21 /gdot PSname2 16#30 /Idot PSname2 16#3F /Ldot PSname2 16#40 /ldot PSname2 16#7F /slong PSname2 \n"
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// proc that gives LatinExtA encoding to a font
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"/ToLatinExtA { findfont dup length dict copy begin /Encoding LatinExtA def currentdict end definefont pop } def\n"
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// create Ext-versions of standard fonts that use LatinExtA encoding \n"
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"/HelveticaExt /Helvetica ToLatinExtA \n"
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"/Helvetica-BoldExt /Helvetica-Bold ToLatinExtA /Helvetica-ObliqueExt /Helvetica-Oblique ToLatinExtA \n"
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"/Helvetica-BoldObliqueExt /Helvetica-BoldOblique ToLatinExtA \n"
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"/CourierExt /Courier ToLatinExtA /Courier-BoldExt /Courier-Bold ToLatinExtA \n"
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"/Courier-ObliqueExt /Courier-Oblique ToLatinExtA /Courier-BoldObliqueExt /Courier-BoldOblique ToLatinExtA \n"
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"/Times-RomanExt /Times-Roman ToLatinExtA /Times-BoldExt /Times-Bold ToLatinExtA \n"
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"/Times-ItalicExt /Times-Italic ToLatinExtA /Times-BoldItalicExt /Times-BoldItalic ToLatinExtA \n"
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// proc to create a Type 0 font with 2-byte encoding
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// that merges a text font with ISO encoding + same font with LatinExtA encoding
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"/To2byte { 6 dict begin /FontType 0 def \n"
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"/FDepVector 3 1 roll findfont exch findfont 2 array astore def \n"
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"/FontMatrix [1 0 0 1 0 0] def /FMapType 6 def /Encoding [ 0 1 0 ] def\n"
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// 100: Hexa count of ISO array; A7: hexa count of LatinExtA array
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"/SubsVector < 01 0100 00A7 > def\n"
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"currentdict end definefont pop } def\n"
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// create Type 0 versions of standard fonts
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"/Helvetica2B /HelveticaExt /Helvetica To2byte \n"
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"/Helvetica-Bold2B /Helvetica-BoldExt /Helvetica-Bold To2byte \n"
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"/Helvetica-Oblique2B /Helvetica-ObliqueExt /Helvetica-Oblique To2byte \n"
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"/Helvetica-BoldOblique2B /Helvetica-BoldObliqueExt /Helvetica-BoldOblique To2byte \n"
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"/Courier2B /CourierExt /Courier To2byte \n"
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"/Courier-Bold2B /Courier-BoldExt /Courier-Bold To2byte \n"
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"/Courier-Oblique2B /Courier-ObliqueExt /Courier-Oblique To2byte \n"
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"/Courier-BoldOblique2B /Courier-BoldObliqueExt /Courier-BoldOblique To2byte \n"
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"/Times-Roman2B /Times-RomanExt /Times-Roman To2byte \n"
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"/Times-Bold2B /Times-BoldExt /Times-Bold To2byte \n"
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"/Times-Italic2B /Times-ItalicExt /Times-Italic To2byte \n"
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"/Times-BoldItalic2B /Times-BoldItalicExt /Times-BoldItalic To2byte \n"
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;
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static const char * prolog_2_pixmap = // prolog relevant only if lang_level == 2 for pixmaps/masked color images
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"/pixmap_mat {[ pixmap_sx 0 0 pixmap_sy neg 0 pixmap_sy ]} bind def\n"
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"/pixmap_dict {"
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"<< /PatternType 1 "
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"/PaintType 1 "
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"/TilingType 2 "
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"/BBox [0 0 pixmap_sx pixmap_sy] "
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"/XStep pixmap_sx "
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"/YStep pixmap_sy\n"
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"/PaintProc "
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"{ begin "
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"pixmap_w pixmap_h scale "
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"pixmap_sx pixmap_sy 8 "
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"pixmap_mat "
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"currentfile /ASCIIHexDecode filter "
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"false 3 "
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"colorimage "
|
|
"end "
|
|
"} bind "
|
|
">>\n"
|
|
"} bind def\n"
|
|
|
|
"/pixmap_plot {"
|
|
"GS "
|
|
"/pixmap_sy exch def /pixmap_sx exch def\n"
|
|
"/pixmap_h exch def /pixmap_w exch def\n"
|
|
"translate\n"
|
|
"pixmap_dict matrix makepattern setpattern\n"
|
|
"pixmap_w pixmap_h scale\n"
|
|
"pixmap_sx pixmap_sy\n"
|
|
"true\n"
|
|
"pixmap_mat\n"
|
|
"currentfile /ASCIIHexDecode filter\n"
|
|
"imagemask\n"
|
|
"GR\n"
|
|
"} bind def\n"
|
|
;
|
|
|
|
static const char * prolog_3 = // prolog relevant only if lang_level >2
|
|
|
|
// masked color images
|
|
"/CIM {GS /inter exch def /my exch def /mx exch def /py exch def /px exch def /sy exch def /sx exch def \n"
|
|
"translate \n"
|
|
"sx sy scale\n"
|
|
"/DeviceRGB setcolorspace\n"
|
|
|
|
"/IDD 8 dict def\n"
|
|
|
|
"IDD begin\n"
|
|
"/ImageType 1 def\n"
|
|
"/Width px def\n"
|
|
"/Height py def\n"
|
|
"/BitsPerComponent 8 def\n"
|
|
"/Interpolate inter def\n"
|
|
"/DataSource currentfile /ASCIIHexDecode filter def\n"
|
|
"/MultipleDataSources false def\n"
|
|
"/ImageMatrix [ px 0 0 py neg 0 py ] def\n"
|
|
|
|
"/Decode [ 0 1 0 1 0 1 ] def\n"
|
|
"end\n"
|
|
|
|
"/IMD 8 dict def\n"
|
|
"IMD begin\n"
|
|
"/ImageType 1 def\n"
|
|
"/Width mx def\n"
|
|
"/Height my def\n"
|
|
"/BitsPerComponent 1 def\n"
|
|
// "/Interpolate inter def\n"
|
|
"/ImageMatrix [ mx 0 0 my neg 0 my ] def\n"
|
|
"/Decode [ 1 0 ] def\n"
|
|
"end\n"
|
|
|
|
"<<\n"
|
|
"/ImageType 3\n"
|
|
"/InterleaveType 2\n"
|
|
"/MaskDict IMD\n"
|
|
"/DataDict IDD\n"
|
|
">> image GR\n"
|
|
"} bind def\n"
|
|
|
|
|
|
// masked gray images
|
|
"/GIM {GS /inter exch def /my exch def /mx exch def /py exch def /px exch def /sy exch def /sx exch def \n"
|
|
"translate \n"
|
|
"sx sy scale\n"
|
|
"/DeviceGray setcolorspace\n"
|
|
|
|
"/IDD 8 dict def\n"
|
|
|
|
"IDD begin\n"
|
|
"/ImageType 1 def\n"
|
|
"/Width px def\n"
|
|
"/Height py def\n"
|
|
"/BitsPerComponent 8 def\n"
|
|
"/Interpolate inter def\n"
|
|
"/DataSource currentfile /ASCIIHexDecode filter def\n"
|
|
"/MultipleDataSources false def\n"
|
|
"/ImageMatrix [ px 0 0 py neg 0 py ] def\n"
|
|
|
|
"/Decode [ 0 1 ] def\n"
|
|
"end\n"
|
|
|
|
"/IMD 8 dict def\n"
|
|
|
|
"IMD begin\n"
|
|
"/ImageType 1 def\n"
|
|
"/Width mx def\n"
|
|
"/Height my def\n"
|
|
"/BitsPerComponent 1 def\n"
|
|
"/ImageMatrix [ mx 0 0 my neg 0 my ] def\n"
|
|
"/Decode [ 1 0 ] def\n"
|
|
"end\n"
|
|
|
|
"<<\n"
|
|
"/ImageType 3\n"
|
|
"/InterleaveType 2\n"
|
|
"/MaskDict IMD\n"
|
|
"/DataDict IDD\n"
|
|
">> image GR\n"
|
|
"} bind def\n"
|
|
|
|
|
|
"\n"
|
|
;
|
|
|
|
// end prolog
|
|
|
|
int Fl_PostScript_Graphics_Driver::start_postscript (int pagecount,
|
|
enum Fl_Paged_Device::Page_Format format, enum Fl_Paged_Device::Page_Layout layout)
|
|
//returns 0 iff OK
|
|
{
|
|
int w, h, x;
|
|
if (format == Fl_Paged_Device::A4) {
|
|
left_margin = 18;
|
|
top_margin = 18;
|
|
}
|
|
else {
|
|
left_margin = 12;
|
|
top_margin = 12;
|
|
}
|
|
page_format_ = (enum Fl_Paged_Device::Page_Format)(format | layout);
|
|
if (layout & Fl_Paged_Device::LANDSCAPE){
|
|
ph_ = Fl_Paged_Device::page_formats[format].width;
|
|
pw_ = Fl_Paged_Device::page_formats[format].height;
|
|
} else {
|
|
pw_ = Fl_Paged_Device::page_formats[format].width;
|
|
ph_ = Fl_Paged_Device::page_formats[format].height;
|
|
}
|
|
|
|
fputs("%!PS-Adobe-3.0\n", output);
|
|
fputs("%%Creator: FLTK\n", output);
|
|
if (lang_level_>1)
|
|
fprintf(output, "%%%%LanguageLevel: %i\n" , lang_level_);
|
|
if ((pages_ = pagecount))
|
|
fprintf(output, "%%%%Pages: %i\n", pagecount);
|
|
else
|
|
fputs("%%Pages: (atend)\n", output);
|
|
fprintf(output, "%%%%BeginFeature: *PageSize %s\n", Fl_Paged_Device::page_formats[format].name );
|
|
w = Fl_Paged_Device::page_formats[format].width;
|
|
h = Fl_Paged_Device::page_formats[format].height;
|
|
if (lang_level_ == 3 && (layout & Fl_Paged_Device::LANDSCAPE) ) { x = w; w = h; h = x; }
|
|
fprintf(output, "<</PageSize[%d %d]>>setpagedevice\n", w, h );
|
|
fputs("%%EndFeature\n", output);
|
|
fputs("%%EndComments\n", output);
|
|
fputs(prolog, output);
|
|
if (lang_level_ > 1) {
|
|
fputs(prolog_2, output);
|
|
}
|
|
if (lang_level_ == 2) {
|
|
fputs(prolog_2_pixmap, output);
|
|
}
|
|
if (lang_level_ > 2)
|
|
fputs(prolog_3, output);
|
|
if (lang_level_ >= 3) {
|
|
fputs("/CS { clipsave } bind def\n", output);
|
|
fputs("/CR { cliprestore } bind def\n", output);
|
|
} else {
|
|
fputs("/CS { GS } bind def\n", output);
|
|
fputs("/CR { GR } bind def\n", output);
|
|
}
|
|
page_policy_ = 1;
|
|
|
|
|
|
fputs("%%EndProlog\n",output);
|
|
if (lang_level_ >= 2)
|
|
fprintf(output,"<< /Policies << /Pagesize 1 >> >> setpagedevice\n");
|
|
|
|
reset();
|
|
nPages=0;
|
|
return 0;
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::recover(){
|
|
color(cr_,cg_,cb_);
|
|
line_style(linestyle_,linewidth_,linedash_);
|
|
font(Fl_Graphics_Driver::font(), Fl_Graphics_Driver::size());
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::reset(){
|
|
gap_=1;
|
|
clip_=0;
|
|
cr_=cg_=cb_=0;
|
|
Fl_Graphics_Driver::font(FL_HELVETICA, 12);
|
|
linewidth_=0;
|
|
linestyle_=FL_SOLID;
|
|
strcpy(linedash_,"");
|
|
Clip *c=clip_; ////just not to have memory leaks for badly writen code (forgotten clip popping)
|
|
|
|
while(c){
|
|
clip_=clip_->prev;
|
|
delete c;
|
|
c=clip_;
|
|
}
|
|
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::page_policy(int p){
|
|
page_policy_ = p;
|
|
if(lang_level_>=2)
|
|
fprintf(output,"<< /Policies << /Pagesize %i >> >> setpagedevice\n", p);
|
|
}
|
|
|
|
// //////////////////// paging //////////////////////////////////////////
|
|
|
|
|
|
|
|
void Fl_PostScript_Graphics_Driver::page(double pw, double ph, int media) {
|
|
|
|
if (nPages){
|
|
fprintf(output, "CR\nGR\nGR\nGR\nSP\nrestore\n");
|
|
}
|
|
++nPages;
|
|
fprintf(output, "%%%%Page: %i %i\n" , nPages , nPages);
|
|
fprintf(output, "%%%%PageBoundingBox: 0 0 %d %d\n", pw > ph ? (int)ph : (int)pw , pw > ph ? (int)pw : (int)ph);
|
|
if (pw>ph){
|
|
fprintf(output, "%%%%PageOrientation: Landscape\n");
|
|
}else{
|
|
fprintf(output, "%%%%PageOrientation: Portrait\n");
|
|
}
|
|
|
|
fprintf(output, "%%%%BeginPageSetup\n");
|
|
if((media & Fl_Paged_Device::MEDIA) &&(lang_level_>1)){
|
|
int r = media & Fl_Paged_Device::REVERSED;
|
|
if(r) r = 2;
|
|
fprintf(output, "<< /PageSize [%i %i] /Orientation %i>> setpagedevice\n", (int)(pw+.5), (int)(ph+.5), r);
|
|
}
|
|
fprintf(output, "%%%%EndPageSetup\n");
|
|
|
|
/* pw_ = pw;
|
|
ph_ = ph;*/
|
|
reset();
|
|
|
|
fprintf(output, "save\n");
|
|
fprintf(output, "GS\n");
|
|
fprintf(output, "%g %g TR\n", (double)0 /*lm_*/ , ph_ /* - tm_*/);
|
|
fprintf(output, "1 -1 SC\n");
|
|
line_style(0);
|
|
fprintf(output, "GS\n");
|
|
|
|
if (!((media & Fl_Paged_Device::MEDIA) &&(lang_level_>1))){
|
|
if (pw > ph) {
|
|
if(media & Fl_Paged_Device::REVERSED) {
|
|
fprintf(output, "-90 rotate %i 0 translate\n", int(-pw));
|
|
}
|
|
else {
|
|
fprintf(output, "90 rotate -%i -%i translate\n", (lang_level_ == 2 ? int(pw - ph) : 0), int(ph));
|
|
}
|
|
}
|
|
else {
|
|
if(media & Fl_Paged_Device::REVERSED)
|
|
fprintf(output, "180 rotate %i %i translate\n", int(-pw), int(-ph));
|
|
}
|
|
}
|
|
fprintf(output, "GS\nCS\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::page(int format){
|
|
/* if(format & Fl_Paged_Device::LANDSCAPE){
|
|
ph_=Fl_Paged_Device::page_formats[format & 0xFF].width;
|
|
pw_=Fl_Paged_Device::page_formats[format & 0xFF].height;
|
|
}else{
|
|
pw_=Fl_Paged_Device::page_formats[format & 0xFF].width;
|
|
ph_=Fl_Paged_Device::page_formats[format & 0xFF].height;
|
|
}*/
|
|
page(pw_,ph_,format & 0xFF00);//,orientation only;
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::rect(int x, int y, int w, int h) {
|
|
// Commented code does not work, i can't find the bug ;-(
|
|
// fprintf(output, "GS\n");
|
|
// fprintf(output, "%i, %i, %i, %i R\n", x , y , w, h);
|
|
// fprintf(output, "GR\n");
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x , y);
|
|
fprintf(output, "%i %i LT\n", x+w-1 , y);
|
|
fprintf(output, "%i %i LT\n", x+w-1 , y+h-1);
|
|
fprintf(output, "%i %i LT\n", x , y+h-1);
|
|
fprintf(output, "ECP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::rectf(int x, int y, int w, int h) {
|
|
fprintf(output, "%g %g %i %i FR\n", x-0.5, y-0.5, w, h);
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::line(int x1, int y1, int x2, int y2) {
|
|
fprintf(output, "GS\n");
|
|
fprintf(output, "%i %i %i %i L\n", x1 , y1, x2 ,y2);
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::line(int x0, int y0, int x1, int y1, int x2, int y2) {
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x0 , y0);
|
|
fprintf(output, "%i %i LT\n", x1 , y1);
|
|
fprintf(output, "%i %i LT\n", x2 , y2);
|
|
fprintf(output, "ELP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::xyline(int x, int y, int x1, int y2, int x3){
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x , y );
|
|
fprintf(output, "%i %i LT\n", x1 , y );
|
|
fprintf(output, "%i %i LT\n", x1 , y2);
|
|
fprintf(output,"%i %i LT\n", x3 , y2);
|
|
fprintf(output, "ELP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
|
|
void Fl_PostScript_Graphics_Driver::xyline(int x, int y, int x1, int y2){
|
|
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x , y);
|
|
fprintf(output,"%i %i LT\n", x1 , y);
|
|
fprintf(output, "%i %i LT\n", x1 , y2 );
|
|
fprintf(output, "ELP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::xyline(int x, int y, int x1){
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x , y);
|
|
fprintf(output, "%i %i LT\n", x1 , y );
|
|
fprintf(output, "ELP\n");
|
|
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::yxline(int x, int y, int y1, int x2, int y3){
|
|
fprintf(output, "GS\n");
|
|
|
|
fprintf(output,"BP\n");
|
|
fprintf(output,"%i %i MT\n", x , y);
|
|
fprintf(output, "%i %i LT\n", x , y1 );
|
|
fprintf(output, "%i %i LT\n", x2 , y1 );
|
|
fprintf(output , "%i %i LT\n", x2 , y3);
|
|
fprintf(output, "ELP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::yxline(int x, int y, int y1, int x2){
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x , y);
|
|
fprintf(output, "%i %i LT\n", x , y1);
|
|
fprintf(output, "%i %i LT\n", x2 , y1);
|
|
fprintf(output, "ELP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::yxline(int x, int y, int y1){
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x , y);
|
|
fprintf(output, "%i %i LT\n", x , y1);
|
|
fprintf(output, "ELP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::loop(int x0, int y0, int x1, int y1, int x2, int y2) {
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x0 , y0);
|
|
fprintf(output, "%i %i LT\n", x1 , y1);
|
|
fprintf(output, "%i %i LT\n", x2 , y2);
|
|
fprintf(output, "ECP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) {
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x0 , y0);
|
|
fprintf(output, "%i %i LT\n", x1 , y1);
|
|
fprintf(output, "%i %i LT\n", x2 , y2);
|
|
fprintf(output, "%i %i LT\n", x3 , y3);
|
|
fprintf(output, "ECP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::polygon(int x0, int y0, int x1, int y1, int x2, int y2) {
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x0 , y0);
|
|
fprintf(output,"%i %i LT\n", x1 , y1);
|
|
fprintf(output, "%i %i LT\n", x2 , y2);
|
|
fprintf(output, "EFP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) {
|
|
fprintf(output, "GS\n");
|
|
fprintf(output,"BP\n");
|
|
fprintf(output, "%i %i MT\n", x0 , y0 );
|
|
fprintf(output, "%i %i LT\n", x1 , y1 );
|
|
fprintf(output, "%i %i LT\n", x2 , y2 );
|
|
fprintf(output, "%i %i LT\n", x3 , y3 );
|
|
|
|
fprintf(output, "EFP\n");
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::point(int x, int y){
|
|
rectf(x,y,1,1);
|
|
}
|
|
|
|
static const int dashes_flat[5][7]={
|
|
{-1,0,0,0,0,0,0},
|
|
{3,1,-1,0,0,0,0},
|
|
{1,1,-1,0,0,0,0},
|
|
{3,1,1,1,-1,0,0},
|
|
{3,1,1,1,1,1,-1}
|
|
};
|
|
|
|
|
|
//yeah, hack...
|
|
static const double dashes_cap[5][7]={
|
|
{-1,0,0,0,0,0,0},
|
|
{2,2,-1,0,0,0,0},
|
|
{0.01,1.99,-1,0,0,0,0},
|
|
{2,2,0.01,1.99,-1,0,0},
|
|
{2,2,0.01,1.99,0.01,1.99,-1}
|
|
};
|
|
|
|
|
|
void Fl_PostScript_Graphics_Driver::line_style(int style, int width, char* dashes){
|
|
//line_styled_=1;
|
|
|
|
linewidth_=width;
|
|
linestyle_=style;
|
|
//dashes_= dashes;
|
|
if(dashes){
|
|
if(dashes != linedash_)
|
|
strcpy(linedash_,dashes);
|
|
|
|
}else
|
|
linedash_[0]=0;
|
|
char width0 = 0;
|
|
if(!width){
|
|
width=1; //for screen drawing compatibility
|
|
width0=1;
|
|
}
|
|
|
|
fprintf(output, "%i setlinewidth\n", width);
|
|
|
|
if(!style && (!dashes || !(*dashes)) && width0) //system lines
|
|
style = FL_CAP_SQUARE;
|
|
|
|
int cap = (style &0xf00) >> 8;
|
|
if(cap) cap--;
|
|
fprintf(output,"%i setlinecap\n", cap);
|
|
|
|
int join = (style & 0xf000) >> 12;
|
|
|
|
if(join) join--;
|
|
fprintf(output,"%i setlinejoin\n", join);
|
|
|
|
|
|
fprintf(output, "[");
|
|
if(dashes && *dashes){
|
|
while(*dashes){
|
|
fprintf(output, "%i ", *dashes);
|
|
dashes++;
|
|
}
|
|
}else{
|
|
if(style & 0x200){ // round and square caps, dash length need to be adjusted
|
|
const double *dt = dashes_cap[style & 0xff];
|
|
while (*dt >= 0){
|
|
fprintf(output, "%g ",width * (*dt));
|
|
dt++;
|
|
}
|
|
}else{
|
|
|
|
const int *ds = dashes_flat[style & 0xff];
|
|
while (*ds >= 0){
|
|
fprintf(output, "%i ",width * (*ds));
|
|
ds++;
|
|
}
|
|
}
|
|
}
|
|
fprintf(output, "] 0 setdash\n");
|
|
}
|
|
|
|
static const char *_fontNames[] = {
|
|
"Helvetica2B",
|
|
"Helvetica-Bold2B",
|
|
"Helvetica-Oblique2B",
|
|
"Helvetica-BoldOblique2B",
|
|
"Courier2B",
|
|
"Courier-Bold2B",
|
|
"Courier-Oblique2B",
|
|
"Courier-BoldOblique2B",
|
|
"Times-Roman2B",
|
|
"Times-Bold2B",
|
|
"Times-Italic2B",
|
|
"Times-BoldItalic2B",
|
|
"Symbol",
|
|
"Courier2B",
|
|
"Courier-Bold2B",
|
|
"ZapfDingbats"
|
|
};
|
|
|
|
void Fl_PostScript_Graphics_Driver::font(int f, int s) {
|
|
Fl_Graphics_Driver *driver = Fl_Display_Device::display_device()->driver();
|
|
driver->font(f,s); // Use display fonts for font measurement
|
|
Fl_Graphics_Driver::font(f, s);
|
|
Fl_Font_Descriptor *desc = driver->font_descriptor();
|
|
this->font_descriptor(desc);
|
|
if (f < FL_FREE_FONT) {
|
|
float ps_size = (float) s;
|
|
fprintf(output, "/%s SF\n" , _fontNames[f]);
|
|
#if defined(USE_X11)
|
|
#if USE_XFT
|
|
// Xft font height is sometimes larger than the required size (see STR 2566).
|
|
// Increase the PostScript font size by 15% without exceeding the display font height
|
|
int max = desc->font->height;
|
|
ps_size = s * 1.15;
|
|
if (ps_size > max) ps_size = max;
|
|
#else
|
|
// Non-Xft fonts can be smaller than required.
|
|
// Set the PostScript font size to the display font height
|
|
char *name = desc->font->font_name_list[0];
|
|
char *p = strstr(name, "--");
|
|
if (p) {
|
|
sscanf(p + 2, "%f", &ps_size);
|
|
}
|
|
#endif // USE_XFT
|
|
#endif // USE_X11
|
|
fprintf(output,"%.1f FS\n", ps_size);
|
|
}
|
|
}
|
|
|
|
double Fl_PostScript_Graphics_Driver::width(const char *s, int n) {
|
|
return Fl_Display_Device::display_device()->driver()->width(s, n);
|
|
}
|
|
|
|
double Fl_PostScript_Graphics_Driver::width(unsigned u) {
|
|
return Fl_Display_Device::display_device()->driver()->width(u);
|
|
}
|
|
|
|
int Fl_PostScript_Graphics_Driver::height() {
|
|
return Fl_Display_Device::display_device()->driver()->height();
|
|
}
|
|
|
|
int Fl_PostScript_Graphics_Driver::descent() {
|
|
return Fl_Display_Device::display_device()->driver()->descent();
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::text_extents(const char *c, int n, int &dx, int &dy, int &w, int &h) {
|
|
Fl_Display_Device::display_device()->driver()->text_extents(c, n, dx, dy, w, h);
|
|
}
|
|
|
|
|
|
void Fl_PostScript_Graphics_Driver::color(Fl_Color c) {
|
|
Fl::get_color(c, cr_, cg_, cb_);
|
|
color(cr_, cg_, cb_);
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::color(unsigned char r, unsigned char g, unsigned char b) {
|
|
Fl_Graphics_Driver::color( fl_rgb_color(r, g, b) );
|
|
cr_ = r; cg_ = g; cb_ = b;
|
|
if (r == g && g == b) {
|
|
double gray = r/255.0;
|
|
fprintf(output, "%g GL\n", gray);
|
|
} else {
|
|
double fr, fg, fb;
|
|
fr = r/255.0;
|
|
fg = g/255.0;
|
|
fb = b/255.0;
|
|
fprintf(output, "%g %g %g SRGB\n", fr , fg , fb);
|
|
}
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::draw(int angle, const char *str, int n, int x, int y)
|
|
{
|
|
fprintf(output, "GS %d %d translate %d rotate\n", x, y, - angle);
|
|
this->transformed_draw(str, n, 0, 0);
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
|
|
// computes the mask for the RGB image img of all pixels with color != bg
|
|
static uchar *calc_mask(uchar *img, int w, int h, Fl_Color bg)
|
|
{
|
|
uchar red, green, blue, r, g, b;
|
|
uchar bit, byte, *q;
|
|
Fl::get_color(bg, red, green, blue);
|
|
int W = (w+7)/8; // width of mask
|
|
uchar* mask = new uchar[W * h];
|
|
q = mask;
|
|
while (h-- > 0) { // for each row
|
|
bit = 0x80; // byte with last bit set
|
|
byte = 0; // next mask byte to compute
|
|
for (int j = 0; j < w; j++) { // for each column
|
|
r = *img++; // the pixel color components
|
|
g = *img++;
|
|
b = *img++;
|
|
// if pixel doesn't have bg color, put it in mask
|
|
if (r != red || g != green || b != blue) byte |= bit;
|
|
bit = bit>>1; // shift bit one step to the right
|
|
if (bit == 0) { // single set bit has fallen out
|
|
*q++ = byte; // enter byte in mask
|
|
byte = 0; // reset next mask byte to zero
|
|
bit = 0x80; // and this byte
|
|
}
|
|
}
|
|
if (bit != 0x80) *q++ = byte; // enter last columns' byte in mask
|
|
}
|
|
return mask;
|
|
}
|
|
|
|
// write to PostScript a bitmap image of a UTF8 string
|
|
static void transformed_draw_extra(const char* str, int n, double x, double y, int w,
|
|
FILE *output, Fl_Graphics_Driver *driver, bool rtl) {
|
|
// scale for bitmask computation
|
|
#if defined(USE_X11) && !USE_XFT
|
|
float scale = 1; // don't scale because we can't expect to have scalable fonts
|
|
#else
|
|
float scale = 2;
|
|
#endif
|
|
Fl_Fontsize old_size = driver->size();
|
|
Fl_Font fontnum = driver->font();
|
|
int w_scaled = (int)(w * (scale + 0.5));
|
|
int h = (int)(driver->height() * scale);
|
|
// create an offscreen image of the string
|
|
Fl_Color text_color = driver->color();
|
|
Fl_Color bg_color = fl_contrast(FL_WHITE, text_color);
|
|
Fl_Offscreen off = fl_create_offscreen(w_scaled, (int)(h+3*scale) );
|
|
fl_begin_offscreen(off);
|
|
fl_color(bg_color);
|
|
// color offscreen background with a shade contrasting with the text color
|
|
fl_rectf(0, 0, w_scaled, (int)(h+3*scale) );
|
|
fl_color(text_color);
|
|
#if defined(USE_X11) && !USE_XFT
|
|
// force seeing this font as new so it's applied to the offscreen graphics context
|
|
fl_graphics_driver->font_descriptor(NULL);
|
|
fl_font(fontnum, 0);
|
|
#endif
|
|
fl_font(fontnum, (Fl_Fontsize)(scale * old_size) );
|
|
int w2 = (int)fl_width(str, n);
|
|
// draw string in offscreen
|
|
if (rtl) fl_rtl_draw(str, n, w2, (int)(h * 0.8) );
|
|
else fl_draw(str, n, 1, (int)(h * 0.8) );
|
|
// read (most of) the offscreen image
|
|
uchar *img = fl_read_image(NULL, 1, 1, w2, h, 0);
|
|
fl_end_offscreen();
|
|
driver->font(fontnum, old_size);
|
|
fl_delete_offscreen(off);
|
|
// compute the mask of what is not the background
|
|
uchar *mask = calc_mask(img, w2, h, bg_color);
|
|
delete[] img;
|
|
// write the string image to PostScript as a scaled bitmask
|
|
scale = w2 / float(w);
|
|
fprintf(output, "%g %g %g %g %d %d MI\n", x, y - h*0.77/scale, w2/scale, h/scale, w2, h);
|
|
uchar *di;
|
|
int wmask = (w2+7)/8;
|
|
for (int j = h - 1; j >= 0; j--){
|
|
di = mask + j * wmask;
|
|
for (int i = 0; i < wmask; i++){
|
|
//if (!(i%80)) fprintf(output, "\n"); // don't have lines longer than 255 chars
|
|
fprintf(output, "%2.2x", *di );
|
|
di++;
|
|
}
|
|
fprintf(output,"\n");
|
|
}
|
|
fprintf(output,">\n");
|
|
delete[] mask;
|
|
}
|
|
|
|
static int is_in_table(unsigned utf) {
|
|
unsigned i;
|
|
static unsigned extra_table_roman[] = { // unicodes/*names*/ of other characters from PostScript standard fonts
|
|
0x192/*florin*/, 0x2C6/*circumflex*/, 0x2C7/*caron*/,
|
|
0x2D8/*breve*/, 0x2D9/*dotaccent*/, 0x2DA/*ring*/, 0x2DB/*ogonek*/, 0x2DC/*tilde*/, 0x2DD/*hungarumlaut*/,
|
|
0x2013/*endash*/, 0x2014/*emdash*/, 0x2018/*quoteleft*/, 0x2019/*quoteright*/,
|
|
0x201A/*quotesinglbase*/, 0x201C/*quotedblleft*/, 0x201D/*quotedblright*/, 0x201E/*quotedblbase*/,
|
|
0x2020/*dagger*/, 0x2021/*daggerdbl*/, 0x2022/*bullet*/,
|
|
0x2026/*ellipsis*/, 0x2030/*perthousand*/, 0x2039/*guilsinglleft*/, 0x203A/*guilsinglright*/,
|
|
0x2044/*fraction*/, 0x20AC/*Euro*/, 0x2122/*trademark*/,
|
|
0x2202/*partialdiff*/, 0x2206/*Delta*/, 0x2211/*summation*/, 0x221A/*radical*/,
|
|
0x221E/*infinity*/, 0x2260/*notequal*/, 0x2264/*lessequal*/,
|
|
0x2265/*greaterequal*/,
|
|
0x25CA/*lozenge*/, 0xFB01/*fi*/, 0xFB02/*fl*/,
|
|
0xF8FF/*apple*/
|
|
};
|
|
for ( i = 0; i < sizeof(extra_table_roman)/sizeof(int); i++) {
|
|
if (extra_table_roman[i] == utf) return i + 0x180;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// outputs in PostScript a UTF8 string using the same width in points as on display
|
|
void Fl_PostScript_Graphics_Driver::transformed_draw(const char* str, int n, double x, double y) {
|
|
int len, code;
|
|
if (!n || !str || !*str) return;
|
|
// compute display width of string
|
|
int w = (int)width(str, n);
|
|
if (w == 0) return;
|
|
if (Fl_Graphics_Driver::font() >= FL_FREE_FONT) {
|
|
transformed_draw_extra(str, n, x, y, w, output, this, false);
|
|
return;
|
|
}
|
|
fprintf(output, "%d <", w);
|
|
// transforms UTF8 encoding to our custom PostScript encoding as follows:
|
|
// extract each unicode character
|
|
// if unicode <= 0x17F, unicode and PostScript codes are identical
|
|
// if unicode is one of the values listed in extra_table_roman above
|
|
// its PostScript code is 0x180 + the character's rank in extra_table_roman
|
|
// if unicode is something else, draw all string as bitmap image
|
|
|
|
const char *last = str + n;
|
|
const char *str2 = str;
|
|
while (str2 < last) {
|
|
// Extract each unicode character of string.
|
|
unsigned utf = fl_utf8decode(str2, last, &len);
|
|
str2 += len;
|
|
if (utf <= 0x17F) { // until Latin Extended-A
|
|
;
|
|
}
|
|
else if ( (code = is_in_table(utf)) != 0) { // other handled characters
|
|
utf = code;
|
|
}
|
|
else { // unhandled character: draw all string as bitmap image
|
|
fprintf(output, "> pop pop\n"); // close and ignore the opened hex string
|
|
transformed_draw_extra(str, n, x, y, w, output, this, false);
|
|
return;
|
|
}
|
|
fprintf(output, "%4.4X", utf);
|
|
}
|
|
fprintf(output, "> %g %g show_pos_width\n", x, y);
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::rtl_draw(const char* str, int n, int x, int y) {
|
|
int w = (int)width(str, n);
|
|
transformed_draw_extra(str, n, x - w, y, w, output, this, true);
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::concat(){
|
|
fprintf(output,"[%g %g %g %g %g %g] CT\n", fl_matrix->a , fl_matrix->b , fl_matrix->c , fl_matrix->d , fl_matrix->x , fl_matrix->y);
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::reconcat(){
|
|
fprintf(output, "[%g %g %g %g %g %g] RCT\n" , fl_matrix->a , fl_matrix->b , fl_matrix->c , fl_matrix->d , fl_matrix->x , fl_matrix->y);
|
|
}
|
|
|
|
///////////////// transformed (double) drawings ////////////////////////////////
|
|
|
|
|
|
void Fl_PostScript_Graphics_Driver::begin_points(){
|
|
fprintf(output, "GS\n");
|
|
concat();
|
|
|
|
fprintf(output, "BP\n");
|
|
gap_=1;
|
|
shape_=POINTS;
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::begin_line(){
|
|
fprintf(output, "GS\n");
|
|
concat();
|
|
fprintf(output, "BP\n");
|
|
gap_=1;
|
|
shape_=LINE;
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::begin_loop(){
|
|
fprintf(output, "GS\n");
|
|
concat();
|
|
fprintf(output, "BP\n");
|
|
gap_=1;
|
|
shape_=LOOP;
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::begin_polygon(){
|
|
fprintf(output, "GS\n");
|
|
concat();
|
|
fprintf(output, "BP\n");
|
|
gap_=1;
|
|
shape_=POLYGON;
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::vertex(double x, double y){
|
|
if(shape_==POINTS){
|
|
fprintf(output,"%g %g MT\n", x , y);
|
|
gap_=1;
|
|
return;
|
|
}
|
|
if(gap_){
|
|
fprintf(output,"%g %g MT\n", x , y);
|
|
gap_=0;
|
|
}else
|
|
fprintf(output, "%g %g LT\n", x , y);
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3){
|
|
if(shape_==NONE) return;
|
|
if(gap_)
|
|
fprintf(output,"%g %g MT\n", x , y);
|
|
else
|
|
fprintf(output, "%g %g LT\n", x , y);
|
|
gap_=0;
|
|
|
|
fprintf(output, "%g %g %g %g %g %g curveto \n", x1 , y1 , x2 , y2 , x3 , y3);
|
|
}
|
|
|
|
|
|
void Fl_PostScript_Graphics_Driver::circle(double x, double y, double r){
|
|
if(shape_==NONE){
|
|
fprintf(output, "GS\n");
|
|
concat();
|
|
// fprintf(output, "BP\n");
|
|
fprintf(output,"%g %g %g 0 360 arc\n", x , y , r);
|
|
reconcat();
|
|
// fprintf(output, "ELP\n");
|
|
fprintf(output, "GR\n");
|
|
}else
|
|
|
|
fprintf(output, "%g %g %g 0 360 arc\n", x , y , r);
|
|
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::arc(double x, double y, double r, double start, double a){
|
|
if(shape_==NONE) return;
|
|
gap_=0;
|
|
if(start>a)
|
|
fprintf(output, "%g %g %g %g %g arc\n", x , y , r , -start, -a);
|
|
else
|
|
fprintf(output, "%g %g %g %g %g arcn\n", x , y , r , -start, -a);
|
|
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::arc(int x, int y, int w, int h, double a1, double a2) {
|
|
if (w <= 1 || h <= 1) return;
|
|
fprintf(output, "GS\n");
|
|
//fprintf(output, "BP\n");
|
|
begin_line();
|
|
fprintf(output, "%g %g TR\n", x + w/2.0 -0.5 , y + h/2.0 - 0.5);
|
|
fprintf(output, "%g %g SC\n", (w-1)/2.0 , (h-1)/2.0 );
|
|
arc(0,0,1,a2,a1);
|
|
// fprintf(output, "0 0 1 %g %g arc\n" , -a1 , -a2);
|
|
fprintf(output, "%g %g SC\n", 2.0/(w-1) , 2.0/(h-1) );
|
|
fprintf(output, "%g %g TR\n", -x - w/2.0 +0.5 , -y - h/2.0 +0.5);
|
|
end_line();
|
|
|
|
// fprintf(output, "%g setlinewidth\n", 2/sqrt(w*h));
|
|
// fprintf(output, "ELP\n");
|
|
// fprintf(output, 2.0/w , 2.0/w , " SC\n";
|
|
// fprintf(output, (-x - w/2.0) , (-y - h/2) , " TR\n";
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::pie(int x, int y, int w, int h, double a1, double a2) {
|
|
fprintf(output, "GS\n");
|
|
begin_polygon();
|
|
fprintf(output, "%g %g TR\n", x + w/2.0 -0.5 , y + h/2.0 - 0.5);
|
|
fprintf(output, "%g %g SC\n", (w-1)/2.0 , (h-1)/2.0 );
|
|
vertex(0,0);
|
|
arc(0.0,0.0, 1, a2, a1);
|
|
end_polygon();
|
|
fprintf(output, "GR\n");
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::end_points(){
|
|
gap_=1;
|
|
reconcat();
|
|
fprintf(output, "ELP\n"); //??
|
|
fprintf(output, "GR\n");
|
|
shape_=NONE;
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::end_line(){
|
|
gap_=1;
|
|
reconcat();
|
|
fprintf(output, "ELP\n");
|
|
fprintf(output, "GR\n");
|
|
shape_=NONE;
|
|
}
|
|
void Fl_PostScript_Graphics_Driver::end_loop(){
|
|
gap_=1;
|
|
reconcat();
|
|
fprintf(output, "ECP\n");
|
|
fprintf(output, "GR\n");
|
|
shape_=NONE;
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::end_polygon(){
|
|
|
|
gap_=1;
|
|
reconcat();
|
|
fprintf(output, "EFP\n");
|
|
fprintf(output, "GR\n");
|
|
shape_=NONE;
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::transformed_vertex(double x, double y){
|
|
reconcat();
|
|
if(gap_){
|
|
fprintf(output, "%g %g MT\n", x , y);
|
|
gap_=0;
|
|
}else
|
|
fprintf(output, "%g %g LT\n", x , y);
|
|
concat();
|
|
}
|
|
|
|
///////////////////////////// Clipping /////////////////////////////////////////////
|
|
|
|
void Fl_PostScript_Graphics_Driver::push_clip(int x, int y, int w, int h) {
|
|
Clip * c=new Clip();
|
|
clip_box(x,y,w,h,c->x,c->y,c->w,c->h);
|
|
c->prev=clip_;
|
|
clip_=c;
|
|
fprintf(output, "CR\nCS\n");
|
|
if(lang_level_<3)
|
|
recover();
|
|
fprintf(output, "%g %g %i %i CL\n", clip_->x-0.5 , clip_->y-0.5 , clip_->w , clip_->h);
|
|
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::push_no_clip() {
|
|
Clip * c = new Clip();
|
|
c->prev=clip_;
|
|
clip_=c;
|
|
clip_->x = clip_->y = clip_->w = clip_->h = -1;
|
|
fprintf(output, "CR\nCS\n");
|
|
if(lang_level_<3)
|
|
recover();
|
|
}
|
|
|
|
void Fl_PostScript_Graphics_Driver::pop_clip() {
|
|
if(!clip_)return;
|
|
Clip * c=clip_;
|
|
clip_=clip_->prev;
|
|
delete c;
|
|
fprintf(output, "CR\nCS\n");
|
|
if(clip_ && clip_->w >0)
|
|
fprintf(output, "%g %g %i %i CL\n", clip_->x - 0.5, clip_->y - 0.5, clip_->w , clip_->h);
|
|
// uh, -0.5 is to match screen clipping, for floats there should be something beter
|
|
if(lang_level_<3)
|
|
recover();
|
|
}
|
|
|
|
int Fl_PostScript_Graphics_Driver::clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H){
|
|
if(!clip_){
|
|
X=x;Y=y;W=w;H=h;
|
|
return 1;
|
|
}
|
|
if(clip_->w < 0){
|
|
X=x;Y=y;W=w;H=h;
|
|
return 1;
|
|
}
|
|
int ret=0;
|
|
if (x > (X=clip_->x)) {X=x; ret=1;}
|
|
if (y > (Y=clip_->y)) {Y=y; ret=1;}
|
|
if ((x+w) < (clip_->x+clip_->w)) {
|
|
W=x+w-X;
|
|
|
|
ret=1;
|
|
|
|
}else
|
|
W = clip_->x + clip_->w - X;
|
|
if(W<0){
|
|
W=0;
|
|
return 1;
|
|
}
|
|
if ((y+h) < (clip_->y+clip_->h)) {
|
|
H=y+h-Y;
|
|
ret=1;
|
|
}else
|
|
H = clip_->y + clip_->h - Y;
|
|
if(H<0){
|
|
W=0;
|
|
H=0;
|
|
return 1;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int Fl_PostScript_Graphics_Driver::not_clipped(int x, int y, int w, int h){
|
|
if(!clip_) return 1;
|
|
if(clip_->w < 0) return 1;
|
|
int X, Y, W, H;
|
|
clip_box(x, y, w, h, X, Y, W, H);
|
|
if(W) return 1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
void Fl_PostScript_File_Device::margins(int *left, int *top, int *right, int *bottom) // to implement
|
|
{
|
|
Fl_PostScript_Graphics_Driver *ps = driver();
|
|
if(left) *left = (int)(ps->left_margin / ps->scale_x + .5);
|
|
if(right) *right = (int)(ps->left_margin / ps->scale_x + .5);
|
|
if(top) *top = (int)(ps->top_margin / ps->scale_y + .5);
|
|
if(bottom) *bottom = (int)(ps->top_margin / ps->scale_y + .5);
|
|
}
|
|
|
|
int Fl_PostScript_File_Device::printable_rect(int *w, int *h)
|
|
//returns 0 iff OK
|
|
{
|
|
Fl_PostScript_Graphics_Driver *ps = driver();
|
|
if(w) *w = (int)((ps->pw_ - 2 * ps->left_margin) / ps->scale_x + .5);
|
|
if(h) *h = (int)((ps->ph_ - 2 * ps->top_margin) / ps->scale_y + .5);
|
|
return 0;
|
|
}
|
|
|
|
void Fl_PostScript_File_Device::origin(int *x, int *y)
|
|
{
|
|
Fl_Paged_Device::origin(x, y);
|
|
}
|
|
|
|
void Fl_PostScript_File_Device::origin(int x, int y)
|
|
{
|
|
x_offset = x;
|
|
y_offset = y;
|
|
Fl_PostScript_Graphics_Driver *ps = driver();
|
|
fprintf(ps->output, "GR GR GS %d %d TR %f %f SC %d %d TR %f rotate GS\n",
|
|
ps->left_margin, ps->top_margin, ps->scale_x, ps->scale_y, x, y, ps->angle);
|
|
}
|
|
|
|
void Fl_PostScript_File_Device::scale (float s_x, float s_y)
|
|
{
|
|
if (s_y == 0.) s_y = s_x;
|
|
Fl_PostScript_Graphics_Driver *ps = driver();
|
|
ps->scale_x = s_x;
|
|
ps->scale_y = s_y;
|
|
fprintf(ps->output, "GR GR GS %d %d TR %f %f SC %f rotate GS\n",
|
|
ps->left_margin, ps->top_margin, ps->scale_x, ps->scale_y, ps->angle);
|
|
}
|
|
|
|
void Fl_PostScript_File_Device::rotate (float rot_angle)
|
|
{
|
|
Fl_PostScript_Graphics_Driver *ps = driver();
|
|
ps->angle = - rot_angle;
|
|
fprintf(ps->output, "GR GR GS %d %d TR %f %f SC %d %d TR %f rotate GS\n",
|
|
ps->left_margin, ps->top_margin, ps->scale_x, ps->scale_y, x_offset, y_offset, ps->angle);
|
|
}
|
|
|
|
void Fl_PostScript_File_Device::translate(int x, int y)
|
|
{
|
|
fprintf(driver()->output, "GS %d %d translate GS\n", x, y);
|
|
}
|
|
|
|
void Fl_PostScript_File_Device::untranslate(void)
|
|
{
|
|
fprintf(driver()->output, "GR GR\n");
|
|
}
|
|
|
|
int Fl_PostScript_File_Device::start_page (void)
|
|
{
|
|
Fl_PostScript_Graphics_Driver *ps = driver();
|
|
ps->page(ps->page_format_);
|
|
x_offset = 0;
|
|
y_offset = 0;
|
|
ps->scale_x = ps->scale_y = 1.;
|
|
ps->angle = 0;
|
|
fprintf(ps->output, "GR GR GS %d %d translate GS\n", ps->left_margin, ps->top_margin);
|
|
return 0;
|
|
}
|
|
|
|
int Fl_PostScript_File_Device::end_page (void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void Fl_PostScript_File_Device::end_job (void)
|
|
// finishes PostScript & closes file
|
|
{
|
|
Fl_PostScript_Graphics_Driver *ps = driver();
|
|
if (ps->nPages) { // for eps nPages is 0 so it is fine ....
|
|
fprintf(ps->output, "CR\nGR\nGR\nGR\nSP\n restore\n");
|
|
if (!ps->pages_){
|
|
fprintf(ps->output, "%%%%Trailer\n");
|
|
fprintf(ps->output, "%%%%Pages: %i\n" , ps->nPages);
|
|
};
|
|
} else
|
|
fprintf(ps->output, "GR\n restore\n");
|
|
fputs("%%EOF",ps->output);
|
|
ps->reset();
|
|
fflush(ps->output);
|
|
if(ferror(ps->output)) {
|
|
fl_alert ("Error during PostScript data output.");
|
|
}
|
|
if (ps->close_cmd_) {
|
|
(*ps->close_cmd_)(ps->output);
|
|
} else {
|
|
fclose(ps->output);
|
|
}
|
|
while (ps->clip_){
|
|
Fl_PostScript_Graphics_Driver::Clip * c= ps->clip_;
|
|
ps->clip_= ps->clip_->prev;
|
|
delete c;
|
|
}
|
|
Fl_Display_Device::display_device()->set_current();
|
|
}
|
|
|
|
#if ! (defined(__APPLE__) || defined(WIN32) )
|
|
int Fl_PostScript_Printer::start_job(int pages, int *firstpage, int *lastpage) {
|
|
enum Fl_Paged_Device::Page_Format format;
|
|
enum Fl_Paged_Device::Page_Layout layout;
|
|
|
|
// first test version for print dialog
|
|
if (!print_panel) make_print_panel();
|
|
print_load();
|
|
print_selection->deactivate();
|
|
print_all->setonly();
|
|
print_all->do_callback();
|
|
print_from->value("1");
|
|
{ char tmp[10]; snprintf(tmp, sizeof(tmp), "%d", pages); print_to->value(tmp); }
|
|
print_panel->show(); // this is modal
|
|
while (print_panel->shown()) Fl::wait();
|
|
|
|
if (!print_start) // user clicked cancel
|
|
return 1;
|
|
|
|
// get options
|
|
|
|
switch (print_page_size->value()) {
|
|
case 0:
|
|
format = Fl_Paged_Device::LETTER;
|
|
break;
|
|
case 2:
|
|
format = Fl_Paged_Device::LEGAL;
|
|
break;
|
|
case 3:
|
|
format = Fl_Paged_Device::EXECUTIVE;
|
|
break;
|
|
case 4:
|
|
format = Fl_Paged_Device::A3;
|
|
break;
|
|
case 5:
|
|
format = Fl_Paged_Device::A5;
|
|
break;
|
|
case 6:
|
|
format = Fl_Paged_Device::B5;
|
|
break;
|
|
case 7:
|
|
format = Fl_Paged_Device::ENVELOPE;
|
|
break;
|
|
case 8:
|
|
format = Fl_Paged_Device::DLE;
|
|
break;
|
|
default:
|
|
format = Fl_Paged_Device::A4;
|
|
}
|
|
|
|
{ // page range choice
|
|
int from = 1, to = pages;
|
|
if (print_pages->value()) {
|
|
sscanf(print_from->value(), "%d", &from);
|
|
sscanf(print_to->value(), "%d", &to);
|
|
}
|
|
if (from < 1) from = 1;
|
|
if (to > pages) to = pages;
|
|
if (to < from) to = from;
|
|
if (firstpage) *firstpage = from;
|
|
if (lastpage) *lastpage = to;
|
|
if (pages > 0) pages = to - from + 1;
|
|
}
|
|
|
|
if (print_output_mode[0]->value()) layout = Fl_Paged_Device::PORTRAIT;
|
|
else if (print_output_mode[1]->value()) layout = Fl_Paged_Device::LANDSCAPE;
|
|
else if (print_output_mode[2]->value()) layout = Fl_Paged_Device::PORTRAIT;
|
|
else layout = Fl_Paged_Device::LANDSCAPE;
|
|
|
|
int print_pipe = print_choice->value(); // 0 = print to file, >0 = printer (pipe)
|
|
|
|
const char *media = print_page_size->text(print_page_size->value());
|
|
const char *printer = (const char *)print_choice->menu()[print_choice->value()].user_data();
|
|
if (!print_pipe) printer = "<File>";
|
|
|
|
if (!print_pipe) // fall back to file printing
|
|
return Fl_PostScript_File_Device::start_job (pages, format, layout);
|
|
|
|
// Print: pipe the output into the lp command...
|
|
|
|
char command[1024];
|
|
snprintf(command, sizeof(command), "lp -s -d %s -n %d -t '%s' -o media=%s",
|
|
printer, print_collate_button->value() ? 1 : (int)(print_copies->value() + 0.5),
|
|
"FLTK", media);
|
|
|
|
Fl_PostScript_Graphics_Driver *ps = driver();
|
|
ps->output = popen(command, "w");
|
|
if (!ps->output) {
|
|
fl_alert("could not run command: %s\n",command);
|
|
return 1;
|
|
}
|
|
ps->close_command(pclose);
|
|
this->set_current();
|
|
return ps->start_postscript(pages, format, layout); // start printing
|
|
}
|
|
|
|
#endif // ! (defined(__APPLE__) || defined(WIN32) )
|
|
|
|
#endif // FL_DOXYGEN
|
|
|
|
//
|
|
// End of "$Id$".
|
|
//
|