diff options
| author | Matthias Melcher <fltk@matthiasm.com> | 2011-01-08 16:28:16 +0000 |
|---|---|---|
| committer | Matthias Melcher <fltk@matthiasm.com> | 2011-01-08 16:28:16 +0000 |
| commit | 2dc664935d8109767c2d107c6b644082fe06ac05 (patch) | |
| tree | 6e5e622962a1503161b86884cd3423cb2bba1ab1 /branch-3.0-2011/src/Fl_PostScript.cxx | |
| parent | f62a6a927a8ce7aa91b023e7aafad9b5ff96f755 (diff) | |
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8217 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'branch-3.0-2011/src/Fl_PostScript.cxx')
| -rw-r--r-- | branch-3.0-2011/src/Fl_PostScript.cxx | 1547 |
1 files changed, 1547 insertions, 0 deletions
diff --git a/branch-3.0-2011/src/Fl_PostScript.cxx b/branch-3.0-2011/src/Fl_PostScript.cxx new file mode 100644 index 000000000..712cd3253 --- /dev/null +++ b/branch-3.0-2011/src/Fl_PostScript.cxx @@ -0,0 +1,1547 @@ +// +// "$Id$" +// +// PostScript device support for the Fast Light Tool Kit (FLTK). +// +// Copyright 2010 by Bill Spitzak and others. +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// +// Please report all bugs and problems to: +// +// http://www.fltk.org/str.php +// + +#include <FL/Fl.H> +#include <FL/fl_ask.H> +#include <FL/fl_draw.H> +#include <stdio.h> +#include <FL/Fl_PostScript.H> +#include <FL/Fl_Native_File_Chooser.H> + +const char *Fl_PostScript_Graphics_Driver::class_id = "Fl_PostScript_Graphics_Driver"; +const char *Fl_PostScript_File_Device::class_id = "Fl_PostScript_File_Device"; +/** \brief Label of the PostScript file chooser window */ +const char *Fl_PostScript_File_Device::file_chooser_title = "Select a .ps file"; + +/** + @brief The constructor. + */ +Fl_PostScript_Graphics_Driver::Fl_PostScript_Graphics_Driver(void) +{ + close_cmd_ = 0; + //lang_level_ = 3; + lang_level_ = 2; + mask = 0; + ps_filename_ = NULL; + class_name(class_id); + scale_x = scale_y = 1.; + bg_r = bg_g = bg_b = 255; +} + +/** \brief The destructor. */ +Fl_PostScript_Graphics_Driver::~Fl_PostScript_Graphics_Driver() { + if(ps_filename_) free(ps_filename_); +} + +/** + @brief The constructor. + */ +Fl_PostScript_File_Device::Fl_PostScript_File_Device(void) +{ + class_name(class_id); +#ifdef __APPLE__ + gc = fl_gc; // the display context is used by fl_text_extents() +#endif + Fl_Surface_Device::driver( new Fl_PostScript_Graphics_Driver() ); +} + +/** + \brief Returns the PostScript driver of this drawing surface. + */ +Fl_PostScript_Graphics_Driver *Fl_PostScript_File_Device::driver() +{ + return (Fl_PostScript_Graphics_Driver*)Fl_Surface_Device::driver(); +} + + +/** + @brief Begins the session where all graphics requests will go to a local PostScript file. + * + Opens a file dialog entitled with Fl_PostScript_File_Device::file_chooser_title to select an output PostScript file. + @param pagecount The total number of pages to be created. + @param format Desired page format. + @param layout Desired page layout. + @return 0 iff OK, 1 if user cancelled the file dialog, 2 if fopen failed on user-selected output file. + */ +int Fl_PostScript_File_Device::start_job (int pagecount, enum Fl_Paged_Device::Page_Format format, + enum Fl_Paged_Device::Page_Layout layout) +{ + Fl_Native_File_Chooser fnfc; + fnfc.title(Fl_PostScript_File_Device::file_chooser_title); + fnfc.type(Fl_Native_File_Chooser::BROWSE_SAVE_FILE); + fnfc.options(Fl_Native_File_Chooser::SAVEAS_CONFIRM); + fnfc.filter("PostScript\t*.ps\n"); + // Show native chooser + if ( fnfc.show() ) return 1; + Fl_PostScript_Graphics_Driver *ps = driver(); + ps->output = fopen(fnfc.filename(), "w"); + if(ps->output == NULL) return 2; + ps->ps_filename_ = strdup(fnfc.filename()); + ps->start_postscript(pagecount, format, layout); + this->set_current(); + return 0; +} + +static int dont_close(FILE *f) +{ + return 0; +} + +/** + @brief Begins the session where all graphics requests will go to FILE pointer. + * + @param ps_output A writable FILE pointer that will receive PostScript output and that should not be closed + until after end_job() has been called. + @param pagecount The total number of pages to be created. + @param format Desired page format. + @param layout Desired page layout. + @return always 0. + */ +int Fl_PostScript_File_Device::start_job (FILE *ps_output, int pagecount, + enum Fl_Paged_Device::Page_Format format, enum Fl_Paged_Device::Page_Layout layout) +{ + Fl_PostScript_Graphics_Driver *ps = driver(); + ps->output = ps_output; + ps->ps_filename_ = NULL; + ps->start_postscript(pagecount, format, layout); + ps->close_command(dont_close); // so that end_job() doesn't close the file + this->set_current(); + return 0; +} + +/** + @brief The destructor. + */ +Fl_PostScript_File_Device::~Fl_PostScript_File_Device() { + Fl_PostScript_Graphics_Driver *ps = driver(); + if (ps) delete ps; +} + +#ifndef FL_DOXYGEN + +#if ! (defined(__APPLE__) || defined(WIN32) ) + #include "print_panel.cxx" +#endif + +// Prolog string + +static const char * prolog = +"%%BeginProlog\n" +"/L { /y2 exch def\n" +"/x2 exch def\n" +"/y1 exch def\n" +"/x1 exch def\n" +"newpath x1 y1 moveto x2 y2 lineto\n" +"stroke}\n" +"bind def\n" + + +"/R { /dy exch def\n" +"/dx exch def\n" +"/y exch def\n" +"/x exch def\n" +"newpath\n" +"x y moveto\n" +"dx 0 rlineto\n" +"0 dy rlineto\n" +"dx neg 0 rlineto\n" +"closepath stroke\n" +"} bind def\n" + +"/CL {\n" +"/dy exch def\n" +"/dx exch def\n" +"/y exch def\n" +"/x exch def\n" +"newpath\n" +"x y moveto\n" +"dx 0 rlineto\n" +"0 dy rlineto\n" +"dx neg 0 rlineto\n" +"closepath\n" +"clip\n" +"} bind def\n" + +"/FR { /dy exch def\n" +"/dx exch def\n" +"/y exch def\n" +"/x exch def\n" +"currentlinewidth 0 setlinewidth newpath\n" +"x y moveto\n" +"dx 0 rlineto\n" +"0 dy rlineto\n" +"dx neg 0 rlineto\n" +"closepath fill setlinewidth\n" +"} bind def\n" + +"/GS { gsave } bind def\n" +"/GR { grestore } bind def\n" + +"/SP { showpage } bind def\n" +"/LW { setlinewidth } bind def\n" +"/CF /Courier def\n" +"/SF { /CF exch def } bind def\n" +"/fsize 12 def\n" +"/FS { /fsize exch def fsize CF findfont exch scalefont setfont }def \n" + + +"/GL { setgray } bind def\n" +"/SRGB { setrgbcolor } bind def\n" + +// color images + +"/CI { GS /py exch def /px exch def /sy exch def /sx exch def\n" +"translate \n" +"sx sy scale px py 8 \n" +"[ px 0 0 py neg 0 py ]\n" +"currentfile /ASCIIHexDecode filter\n false 3" +" colorimage GR\n" +"} bind def\n" + +// gray images + +"/GI { GS /py exch def /px exch def /sy exch def /sx exch def \n" +"translate \n" +"sx sy scale px py 8 \n" + + +"[ px 0 0 py neg 0 py ]\n" +"currentfile /ASCIIHexDecode filter\n" +"image GR\n" +"} bind def\n" + +// single-color bitmask + +"/MI { GS /py exch def /px exch def /sy exch def /sx exch def \n" +"translate \n" +"sx sy scale px py true \n" +"[ px 0 0 py neg 0 py ]\n" +"currentfile /ASCIIHexDecode filter\n" +"imagemask GR\n" +"} bind def\n" + + +// path + +"/BFP { newpath moveto } def\n" +"/BP { newpath } bind def \n" +"/PL { lineto } bind def \n" +"/PM { moveto } bind def \n" +"/MT { moveto } bind def \n" +"/LT { lineto } bind def \n" +"/EFP { closepath fill } bind def\n" //was:stroke +"/ELP { stroke } bind def\n" +"/ECP { closepath stroke } bind def\n" // Closed (loop) +"/LW { setlinewidth } bind def\n" + +// ////////////////////////// misc //////////////// +"/TR { translate } bind def\n" +"/CT { concat } bind def\n" +"/RCT { matrix invertmatrix concat} bind def\n" +"/SC { scale } bind def\n" +//"/GPD { currentpagedevice /PageSize get} def\n" + +// show at position with desired width +// usage: +// width (string) x y show_pos_width +"/show_pos_width {GS moveto dup dup stringwidth pop exch length exch 3 index exch sub exch " +"div 0 2 index 1 -1 scale ashow pop pop GR} bind def\n" // spacing altered to match desired width +//"/show_pos_width {GS moveto dup stringwidth pop 3 2 roll exch div -1 matrix scale concat " +//"show GR } bind def\n" // horizontally scaled text to match desired width + +; + + +static const char * prolog_2 = // prolog relevant only if lang_level >1 + +// color image dictionaries +"/CII {GS /inter 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" +"IDD image GR} bind def\n" + +// gray image dict +"/GII {GS /inter 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" +"IDD image GR} bind def\n" + +// Create a custom PostScript font derived from PostScript standard text fonts +// The encoding of this custom font is as follows: +// 0000-00FF coincides with Unicode, that is to ASCII + Latin-1 +// 0100-017F coincides with Unicode, that is to Latin Extended-A +// 0180-01A6 encodes miscellaneous characters present in PostScript standard text fonts + +// use ISOLatin1Encoding for all text fonts +"/ToISO { dup findfont dup length dict copy begin /Encoding ISOLatin1Encoding def currentdict end definefont pop } def\n" +"/Helvetica ToISO /Helvetica-Bold ToISO /Helvetica-Oblique ToISO /Helvetica-BoldOblique ToISO \n" +"/Courier ToISO /Courier-Bold ToISO /Courier-Oblique ToISO /Courier-BoldOblique ToISO \n" +"/Times-Roman ToISO /Times-Bold ToISO /Times-Italic ToISO /Times-BoldItalic ToISO \n" + +// define LatinExtA, the encoding of Latin-extended-A + some additional characters +// see http://www.adobe.com/devnet/opentype/archives/glyphlist.txt for their names +"/LatinExtA \n" +"[ " +" /Amacron /amacron /Abreve /abreve /Aogonek /aogonek\n" // begin of Latin Extended-A code page +" /Cacute /cacute /Ccircumflex /ccircumflex /Cdotaccent /cdotaccent /Ccaron /ccaron \n" +" /Dcaron /dcaron /Dcroat /dcroat\n" +" /Emacron /emacron /Ebreve /ebreve /Edotaccent /edotaccent /Eogonek /eogonek /Ecaron /ecaron\n" +" /Gcircumflex /gcircumflex /Gbreve /gbreve /Gdotaccent /gdotaccent /Gcommaaccent /gcommaaccent \n" +" /Hcircumflex /hcircumflex /Hbar /hbar \n" +" /Itilde /itilde /Imacron /imacron /Ibreve /ibreve /Iogonek /iogonek /Idotaccent /dotlessi \n" +" /IJ /ij /Jcircumflex /jcircumflex\n" +" /Kcommaaccent /kcommaaccent /kgreenlandic \n" +" /Lacute /lacute /Lcommaaccent /lcommaaccent /Lcaron /lcaron /Ldotaccent /ldotaccent /Lslash /lslash \n" +" /Nacute /nacute /Ncommaaccent /ncommaaccent /Ncaron /ncaron /napostrophe /Eng /eng \n" +" /Omacron /omacron /Obreve /obreve /Ohungarumlaut /ohungarumlaut /OE /oe \n" +" /Racute /racute /Rcommaaccent /rcommaaccent /Rcaron /rcaron \n" +" /Sacute /sacute /Scircumflex /scircumflex /Scedilla /scedilla /Scaron /scaron \n" +" /Tcommaaccent /tcommaaccent /Tcaron /tcaron /Tbar /tbar \n" +" /Utilde /utilde /Umacron /umacron /Ubreve /ubreve /Uring /uring /Uhungarumlaut /uhungarumlaut /Uogonek /uogonek \n" +" /Wcircumflex /wcircumflex /Ycircumflex /ycircumflex /Ydieresis \n" +" /Zacute /zacute /Zdotaccent /zdotaccent /Zcaron /zcaron \n" +" /longs \n" // end of Latin Extended-A code page +" /florin /circumflex /caron /breve /dotaccent /ring \n" // remaining characters from PostScript standard text fonts +" /ogonek /tilde /hungarumlaut /endash /emdash \n" +" /quoteleft /quoteright /quotesinglbase /quotedblleft /quotedblright \n" +" /quotedblbase /dagger /daggerdbl /bullet /ellipsis \n" +" /perthousand /guilsinglleft /guilsinglright /fraction /Euro \n" +" /trademark /partialdiff /Delta /summation /radical \n" +" /infinity /notequal /lessequal /greaterequal /lozenge \n" +" /fi /fl /apple \n" +" ] def \n" +// deal with alternative PostScript names of some characters +" /mycharstrings /Helvetica findfont /CharStrings get def\n" +" /PSname2 { dup mycharstrings exch known {LatinExtA 3 -1 roll 3 -1 roll put}{pop pop} ifelse } def \n" +" 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" + +// proc that gives LatinExtA encoding to a font +"/ToLatinExtA { findfont dup length dict copy begin /Encoding LatinExtA def currentdict end definefont pop } def\n" +// create Ext-versions of standard fonts that use LatinExtA encoding \n" +"/HelveticaExt /Helvetica ToLatinExtA \n" +"/Helvetica-BoldExt /Helvetica-Bold ToLatinExtA /Helvetica-ObliqueExt /Helvetica-Oblique ToLatinExtA \n" +"/Helvetica-BoldObliqueExt /Helvetica-BoldOblique ToLatinExtA \n" +"/CourierExt /Courier ToLatinExtA /Courier-BoldExt /Courier-Bold ToLatinExtA \n" +"/Courier-ObliqueExt /Courier-Oblique ToLatinExtA /Courier-BoldObliqueExt /Courier-BoldOblique ToLatinExtA \n" +"/Times-RomanExt /Times-Roman ToLatinExtA /Times-BoldExt /Times-Bold ToLatinExtA \n" +"/Times-ItalicExt /Times-Italic ToLatinExtA /Times-BoldItalicExt /Times-BoldItalic ToLatinExtA \n" + +// proc to create a Type 0 font with 2-byte encoding +// that merges a text font with ISO encoding + same font with LatinExtA encoding +"/To2byte { 6 dict begin /FontType 0 def \n" +"/FDepVector 3 1 roll findfont exch findfont 2 array astore def \n" +"/FontMatrix [1 0 0 1 0 0] def /FMapType 6 def /Encoding [ 0 1 0 ] def\n" +// 100: Hexa count of ISO array; A7: hexa count of LatinExtA array +"/SubsVector < 01 0100 00A7 > def\n" +"currentdict end definefont pop } def\n" +// create Type 0 versions of standard fonts +"/Helvetica2B /HelveticaExt /Helvetica To2byte \n" +"/Helvetica-Bold2B /Helvetica-BoldExt /Helvetica-Bold To2byte \n" +"/Helvetica-Oblique2B /Helvetica-ObliqueExt /Helvetica-Oblique To2byte \n" +"/Helvetica-BoldOblique2B /Helvetica-BoldObliqueExt /Helvetica-BoldOblique To2byte \n" +"/Courier2B /CourierExt /Courier To2byte \n" +"/Courier-Bold2B /Courier-BoldExt /Courier-Bold To2byte \n" +"/Courier-Oblique2B /Courier-ObliqueExt /Courier-Oblique To2byte \n" +"/Courier-BoldOblique2B /Courier-BoldObliqueExt /Courier-BoldOblique To2byte \n" +"/Times-Roman2B /Times-RomanExt /Times-Roman To2byte \n" +"/Times-Bold2B /Times-BoldExt /Times-Bold To2byte \n" +"/Times-Italic2B /Times-ItalicExt /Times-Italic To2byte \n" +"/Times-BoldItalic2B /Times-BoldItalicExt /Times-BoldItalic To2byte \n" +; + +static const char * prolog_2_pixmap = // prolog relevant only if lang_level == 2 for pixmaps/masked color images +"/pixmap_mat {[ pixmap_sx 0 0 pixmap_sy neg 0 pixmap_sy ]} bind def\n" + +"/pixmap_dict {" +"<< /PatternType 1 " +"/PaintType 1 " +"/TilingType 2 " +"/BBox [0 0 pixmap_sx pixmap_sy] " +"/XStep pixmap_sx " +"/YStep pixmap_sy\n" +"/PaintProc " +"{ begin " +"pixmap_w pixmap_h scale " +"pixmap_sx pixmap_sy 8 " +"pixmap_mat " +"currentfile /ASCIIHexDecode filter " +"false 3 " +"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); + + 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(font_,size_); +} + +void Fl_PostScript_Graphics_Driver::reset(){ + gap_=1; + clip_=0; + cr_=cg_=cb_=0; + font_=FL_HELVETICA; + size_=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); + 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 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 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 compatability + 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{ + int * ds; + if(style & 0x200){ // round and square caps, dash length need to be adjusted + double *dt = dashes_cap[style & 0xff]; + while (*dt >= 0){ + fprintf(output, "%g ",width * (*dt)); + dt++; + } + }else{ + + 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) { + if (f >= FL_FREE_FONT) + f = FL_COURIER; + fprintf(output, "/%s SF\n" , _fontNames[f]); + fprintf(output,"%i FS\n", s); + Fl_Display_Device::display_device()->driver()->font(f,s); // Use display fonts for font measurement + font_ = f; size_ = s; +} + +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_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) { + const float scale = 3; // scale for bitmask computation + Fl_Fontsize old_size = fl_size(); + fl_font(fl_font(), (Fl_Fontsize)(scale * old_size) ); + w = (int)(w *scale + 0.5); + int h = fl_height(); + // create an offscreen image of the string + Fl_Color text_color = fl_color(); + Fl_Color bg_color = fl_contrast(FL_WHITE, text_color); + Fl_Offscreen off = fl_create_offscreen(w+2, (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+2, (int)(h+3*scale) ); + fl_color(text_color); + fl_draw(str, n, 1, (int)(h * 0.8) ); // draw string in offscreen + // read (most of) the offscreen image + uchar *img = fl_read_image(NULL, 1, 1, w, h, 0); + fl_end_offscreen(); + fl_font(fl_font(), old_size); + fl_delete_offscreen(off); + // compute the mask of what is not the background + uchar *mask = calc_mask(img, w, h, bg_color); + delete img; + // write the string image to PostScript as a scaled bitmask + fprintf(output, "%g %g %g %g %d %d MI\n", x, y - h*0.77/scale, w/scale, h/scale, w, h); + uchar *di; + int wmask = (w+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 width = (int)fl_width(str, n); + if (width == 0) return; + fprintf(output, "%d <", width); + // 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, width, output); + 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) { + const char *last = str + n; + const char *str2 = str; + unsigned int *unis = new unsigned int[n + 1]; + char *out = new char[n + 1]; + int u = 0, len; + char *p = out; + double w = fl_width(str, n); + while (str2 < last) { + unis[u++] = fl_utf8decode(str2, last, &len); + str2 += len; + } + while (u > 0) { + len = fl_utf8encode(unis[--u], p); + p += len; + } + transformed_draw(out, p - out, x - w, y); + delete [] unis; + delete [] out; +} + +struct matrix {double a, b, c, d, x, y;}; +extern matrix * fl_matrix; + +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) { + 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"); + 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 ); + begin_polygon(); + 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) +{ + 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) +{ + 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 + + format = print_page_size->value() ? Fl_Paged_Device::A4 : Fl_Paged_Device::LETTER; + { // 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; + 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 "$Id$". +// |
