Pango ps (#148)

Use cairo-PostScript to output PostScript when pango is available.

This allows to draw in vectorial form any script.
Before, only the Latin script could be drawn to PostScript in vectorial form.

3 files changed, 1194 insertions, 228 deletions

diff --git a/src/drivers/PostScript/Fl_PostScript.cxx b/src/drivers/PostScript/Fl_PostScript.cxx
index 5adf20562..958bbd1a6 100644
--- a/src/drivers/PostScript/Fl_PostScript.cxx
+++ b/src/drivers/PostScript/Fl_PostScript.cxx
@@ -20,57 +20,32 @@
 #include <FL/fl_ask.H>
 #include <FL/fl_draw.H>
 #include <stdio.h>
+#include "Fl_PostScript_Graphics_Driver.H"
 #include <FL/Fl_PostScript.H>
 #include <FL/Fl_Native_File_Chooser.H>
 #include "../../Fl_System_Driver.H"
 #include <FL/fl_string.h>
+#include <FL/platform.H>
 #include <stdarg.h>
 #include <time.h>
+#if USE_PANGO
+#include <FL/math.h> // for M_PI
+#include <pango/pangocairo.h>
+#include <cairo/cairo-ps.h>
+#include "../Xlib/Fl_Xlib_Graphics_Driver.H"
+#endif
 
 const char *Fl_PostScript_File_Device::file_chooser_title = "Select a .ps file";
 
-/**
- \cond DriverDev
- \addtogroup DriverDeveloper
- \{
- */
-
-/**
- \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;
-  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_);
-}
-
-/**
- \}
- \endcond
- */
-
-
 Fl_PostScript_File_Device::Fl_PostScript_File_Device(void)
 {
   Fl_Surface_Device::driver( new Fl_PostScript_Graphics_Driver() );
 }
 
-Fl_PostScript_Graphics_Driver *Fl_PostScript_File_Device::driver()
-{
-  return (Fl_PostScript_Graphics_Driver*)Fl_Surface_Device::driver();
+FILE *Fl_PostScript_File_Device::file() {
+  return driver()->file();
 }
 
-
 int Fl_PostScript_File_Device::begin_job (int pagecount, enum Fl_Paged_Device::Page_Format format,
                                           enum Fl_Paged_Device::Page_Layout layout)
 {
@@ -86,7 +61,7 @@ int Fl_PostScript_File_Device::begin_job (int pagecount, enum Fl_Paged_Device::P
   if(ps->output == NULL) return 2;
   ps->ps_filename_ = fl_strdup(fnfc.filename());
   ps->start_postscript(pagecount, format, layout);
-  this->set_current();
+  Fl_Surface_Device::push_current(this);
   return 0;
 }
 
@@ -105,7 +80,7 @@ int Fl_PostScript_File_Device::begin_job (FILE *ps_output, int pagecount,
   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();
+  Fl_Surface_Device::push_current(this);
   return 0;
 }
 
@@ -125,6 +100,158 @@ Fl_PostScript_File_Device::~Fl_PostScript_File_Device() {
  \{
  */
 
+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}
+};
+
+/**
+ \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;
+  scale_x = scale_y = 1.;
+  bg_r = bg_g = bg_b = 255;
+  clip_ = NULL;
+}
+
+/** \brief The destructor. */
+Fl_PostScript_Graphics_Driver::~Fl_PostScript_Graphics_Driver() {
+  if(ps_filename_) free(ps_filename_);
+}
+
+
+#if ! USE_PANGO
+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"
+};
+#endif
+
+void Fl_PostScript_Graphics_Driver::font(int f, int s) {
+  Fl_Graphics_Driver& driver = Fl_Graphics_Driver::default_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 ! USE_PANGO
+  if (f < FL_FREE_FONT) {
+    fprintf(output, "/%s SF\n" , _fontNames[f]);
+    float ps_size = driver.scale_font_for_PostScript(desc, s);
+    clocale_printf("%.1f FS\n", ps_size);
+  }
+#endif
+}
+
+double Fl_PostScript_Graphics_Driver::width(const char *s, int n) {
+  return Fl_Graphics_Driver::default_driver().width(s, n);
+}
+
+double Fl_PostScript_Graphics_Driver::width(unsigned u) {
+  return Fl_Graphics_Driver::default_driver().width(u);
+}
+
+int Fl_PostScript_Graphics_Driver::height() {
+  return Fl_Graphics_Driver::default_driver().height();
+}
+
+int Fl_PostScript_Graphics_Driver::descent() {
+  return Fl_Graphics_Driver::default_driver().descent();
+}
+
+void Fl_PostScript_Graphics_Driver::text_extents(const char *c, int n, int &dx, int &dy, int &w, int &h) {
+  Fl_Graphics_Driver::default_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::point(int x, int y){
+  rectf(x,y,1,1);
+}
+
+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 = 0, Y = 0, W = 0, H = 0;
+  clip_box(x, y, w, h, X, Y, W, H);
+  if (W) return 1;
+  return 0;
+}
+
+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 0;
+  }
+  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;
+}
+
+
+#if ! USE_PANGO
+
 int Fl_PostScript_Graphics_Driver::clocale_printf(const char *format, ...)
 {
   va_list args;
@@ -583,8 +710,8 @@ int Fl_PostScript_Graphics_Driver::start_postscript (int pagecount,
 }
 
 int Fl_PostScript_Graphics_Driver::start_eps (int width, int height) {
-  width_ = width;
-  height_ = height;
+  pw_ = width;
+  ph_ = height;
   fputs("%!PS-Adobe-3.0 EPSF-3.0\n", output);
   fputs("%%Creator: (FLTK)\n", output);
   fprintf(output,"%%%%BoundingBox: 1 1 %d %d\n", width, height);
@@ -610,7 +737,7 @@ int Fl_PostScript_Graphics_Driver::start_eps (int width, int height) {
   reset();
   nPages=0;
   fprintf(output, "GS\n");
-  clocale_printf( "%g %g TR\n", (double)0, height_);
+  clocale_printf( "%g %g TR\n", (double)0, ph_);
   fprintf(output, "1 -1 SC\n");
   line_style(0);
   fprintf(output, "GS GS\n");
@@ -854,29 +981,6 @@ void Fl_PostScript_Graphics_Driver::polygon(int x0, int y0, int x1, int y1, int
   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;
 
@@ -935,64 +1039,6 @@ void Fl_PostScript_Graphics_Driver::line_style(int style, int width, char* dashe
   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_Graphics_Driver::default_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) {
-    fprintf(output, "/%s SF\n" , _fontNames[f]);
-    float ps_size = driver.scale_font_for_PostScript(desc, s);
-    clocale_printf("%.1f FS\n", ps_size);
-  }
-}
-
-double Fl_PostScript_Graphics_Driver::width(const char *s, int n) {
-  return Fl_Graphics_Driver::default_driver().width(s, n);
-}
-
-double Fl_PostScript_Graphics_Driver::width(unsigned u) {
-  return Fl_Graphics_Driver::default_driver().width(u);
-}
-
-int Fl_PostScript_Graphics_Driver::height() {
-  return Fl_Graphics_Driver::default_driver().height();
-}
-
-int Fl_PostScript_Graphics_Driver::descent() {
-  return Fl_Graphics_Driver::default_driver().descent();
-}
-
-void Fl_PostScript_Graphics_Driver::text_extents(const char *c, int n, int &dx, int &dy, int &w, int &h) {
-  Fl_Graphics_Driver::default_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;
@@ -1375,67 +1421,530 @@ void Fl_PostScript_Graphics_Driver::pop_clip() {
     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 0;
+void Fl_PostScript_Graphics_Driver::ps_origin(int x, int y)
+{
+  clocale_printf("GR GR GS %d %d TR  %f %f SC %d %d TR %f rotate GS\n",
+    left_margin, top_margin, scale_x, scale_y, x, y, angle);
+}
+
+void Fl_PostScript_Graphics_Driver::ps_translate(int x, int y)
+{
+  fprintf(output, "GS %d %d translate GS\n", x, y);
+}
+
+void Fl_PostScript_Graphics_Driver::ps_untranslate(void)
+{
+  fprintf(output, "GR GR\n");
+}
+
+# else
+
+/* Cairo-based implementation of the PostScript graphics driver */
+
+static cairo_status_t write_to_cairo_stream(FILE *output, unsigned char *data, unsigned int length) {
+  size_t l = fwrite(data, 1, length, output);
+  return (l == length ? CAIRO_STATUS_SUCCESS : CAIRO_STATUS_WRITE_ERROR);
+}
+
+static int init_cairo_postscript(FILE* output, cairo_t* &cairo_, PangoLayout* &pango_layout,
+                                     int w, int h) {
+  cairo_surface_t* cs = cairo_ps_surface_create_for_stream((cairo_write_func_t)write_to_cairo_stream, output, w, h);
+  if (cairo_surface_status(cs) != CAIRO_STATUS_SUCCESS) return 1;
+  cairo_ps_surface_restrict_to_level(cs, CAIRO_PS_LEVEL_2);
+  cairo_ = cairo_create(cs);
+  pango_layout = pango_cairo_create_layout(cairo_);
+  return 0;
+}
+
+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
+{
+  if (format == Fl_Paged_Device::A4) {
+    left_margin = 18;
+    top_margin = 18;
   }
-  if (clip_->w < 0) {
-    X = x; Y = y; W = w; H = h;
-    return 1;
+  else {
+    left_margin = 12;
+    top_margin = 12;
   }
-  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;
+  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;
+  }
+  if (init_cairo_postscript(output, cairo_, pango_layout_, Fl_Paged_Device::page_formats[format].width, Fl_Paged_Device::page_formats[format].height)) return 1;
+  nPages=0;
+  char feature[250];
+  sprintf(feature, "%%%%BeginFeature: *PageSize %s\n<</PageSize[%d %d]>>setpagedevice\n%%%%EndFeature",
+          Fl_Paged_Device::page_formats[format].name, Fl_Paged_Device::page_formats[format].width, Fl_Paged_Device::page_formats[format].height);
+  cairo_ps_surface_dsc_comment(cairo_get_target(cairo_), feature);
+  return 0;
+}
 
-    ret=1;
+int Fl_PostScript_Graphics_Driver::start_eps(int width, int height) {
+  pw_ = width;
+  ph_ = height;
+  if (init_cairo_postscript(output, cairo_, pango_layout_, width, height)) return 1;
+  cairo_ps_surface_set_eps(cairo_get_target(cairo_), true);
+  nPages=0; //useful?
+  return 0;
+}
 
-  }else
-    W = clip_->x + clip_->w - X;
-  if(W<0){
-    W=0;
-    return 1;
+void Fl_PostScript_Graphics_Driver::rectf(int x, int y, int w, int h) {
+  cairo_rectangle(cairo_, x, y, w, h);
+  cairo_fill(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::rect(int x, int y, int w, int h) {
+  cairo_rectangle(cairo_, x, y, w, h);
+  cairo_stroke(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::line(int x1, int y1, int x2, int y2) {
+  cairo_new_path(cairo_);
+  cairo_move_to(cairo_, x1, y1);
+  cairo_line_to(cairo_, x2, y2);
+  cairo_stroke(cairo_);
+}
+
+void Fl_PostScript_Graphics_Driver::line(int x0, int y0, int x1, int y1, int x2, int y2) {
+  cairo_new_path(cairo_);
+  cairo_move_to(cairo_, x0, y0);
+  cairo_line_to(cairo_, x1, y1);
+  cairo_line_to(cairo_, x2, y2);
+  cairo_stroke(cairo_);
+}
+
+void Fl_PostScript_Graphics_Driver::xyline(int x, int y, int x1) {
+  cairo_move_to(cairo_, x, y);
+  cairo_line_to(cairo_, x1, y);
+  cairo_stroke(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::xyline(int x, int y, int x1, int y2) {
+  cairo_move_to(cairo_, x, y);
+  cairo_line_to(cairo_, x1, y);
+  cairo_line_to(cairo_, x1, y2);
+  cairo_stroke(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::xyline(int x, int y, int x1, int y2, int x3) {
+  cairo_move_to(cairo_, x, y);
+  cairo_line_to(cairo_, x1, y);
+  cairo_line_to(cairo_, x1, y2);
+  cairo_line_to(cairo_, x3, y2);
+  cairo_stroke(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::yxline(int x, int y, int y1) {
+  cairo_move_to(cairo_, x, y);
+  cairo_line_to(cairo_, x, y1);
+  cairo_stroke(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::yxline(int x, int y, int y1, int x2) {
+  cairo_move_to(cairo_, x, y);
+  cairo_line_to(cairo_, x, y1);
+  cairo_line_to(cairo_, x2, y1);
+  cairo_stroke(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::yxline(int x, int y, int y1, int x2, int y3) {
+  cairo_move_to(cairo_, x, y);
+  cairo_line_to(cairo_, x, y1);
+  cairo_line_to(cairo_, x2, y1);
+  cairo_line_to(cairo_, x2, y3);
+  cairo_stroke(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::loop(int x0, int y0, int x1, int y1, int x2, int y2) {
+  cairo_save(cairo_);
+  cairo_new_path(cairo_);
+  cairo_move_to(cairo_, x0, y0);
+  cairo_line_to(cairo_, x1, y1);
+  cairo_line_to(cairo_, x2, y2);
+  cairo_close_path(cairo_);
+  cairo_stroke(cairo_);
+  cairo_restore(cairo_);
+}
+
+void Fl_PostScript_Graphics_Driver::loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) {
+  cairo_save(cairo_);
+  cairo_new_path(cairo_);
+  cairo_move_to(cairo_, x0, y0);
+  cairo_line_to(cairo_, x1, y1);
+  cairo_line_to(cairo_, x2, y2);
+  cairo_line_to(cairo_, x3, y3);
+  cairo_close_path(cairo_);
+  cairo_stroke(cairo_);
+  cairo_restore(cairo_);
+
+}
+
+void Fl_PostScript_Graphics_Driver::polygon(int x0, int y0, int x1, int y1, int x2, int y2) {
+  cairo_save(cairo_);
+  cairo_new_path(cairo_);
+  cairo_move_to(cairo_, x0, y0);
+  cairo_line_to(cairo_, x1, y1);
+  cairo_line_to(cairo_, x2, y2);
+  cairo_close_path(cairo_);
+  cairo_fill(cairo_);
+  cairo_restore(cairo_);
+}
+
+void Fl_PostScript_Graphics_Driver::polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) {
+  cairo_save(cairo_);
+  cairo_new_path(cairo_);
+  cairo_move_to(cairo_, x0, y0);
+  cairo_line_to(cairo_, x1, y1);
+  cairo_line_to(cairo_, x2, y2);
+  cairo_line_to(cairo_, x3, y3);
+  cairo_close_path(cairo_);
+  cairo_fill(cairo_);
+  cairo_restore(cairo_);
+}
+
+void Fl_PostScript_Graphics_Driver::line_style(int style, int width, char* dashes) {
+  linewidth_=width;
+  linestyle_=style;
+  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;
   }
-  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;
+  cairo_set_line_width(cairo_, width);
+  
+  if(!style && (!dashes || !(*dashes)) && width0) //system lines
+    style = FL_CAP_SQUARE;
+  
+  int cap = (style &0xf00);
+  cairo_line_cap_t c_cap;
+  if (cap == FL_CAP_SQUARE) c_cap = CAIRO_LINE_CAP_SQUARE;
+  else if (cap == FL_CAP_FLAT) c_cap = CAIRO_LINE_CAP_BUTT;
+  else if (cap == FL_CAP_ROUND) c_cap = CAIRO_LINE_CAP_ROUND;
+  else c_cap = CAIRO_LINE_CAP_BUTT;
+  cairo_set_line_cap(cairo_, c_cap);
+  
+  int join = (style & 0xf000);
+  cairo_line_join_t c_join;
+  if (join == FL_JOIN_MITER) c_join = CAIRO_LINE_JOIN_MITER;
+  else if (join == FL_JOIN_ROUND)c_join = CAIRO_LINE_JOIN_ROUND;
+  else if (join == FL_JOIN_BEVEL) c_join = CAIRO_LINE_JOIN_BEVEL;
+  else c_join = CAIRO_LINE_JOIN_MITER;
+  cairo_set_line_join(cairo_, c_join);
+  
+  double *ddashes = NULL;
+  int l = 0;
+  if (dashes && *dashes){
+    ddashes = new double[strlen(dashes)];
+    while (dashes[l]) {ddashes[l] = dashes[l]; l++; }
+  } else if (style & 0xff) {
+    ddashes = new double[6];
+    if (style & 0x200){ // round and square caps, dash length need to be adjusted
+      const double *dt = dashes_cap[style & 0xff];
+      while (*dt >= 0){
+        ddashes[l++] = width * (*dt);
+        dt++;
+      }
+    } else {
+      const int *ds = dashes_flat[style & 0xff];
+      while (*ds >= 0){
+        ddashes[l++] = width * (*ds);
+        ds++;
+      }
+    }
   }
-  return ret;
+  cairo_set_dash(cairo_, ddashes, l, 0);
+  delete[] ddashes;
+  check_status();
 }
 
-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 = 0, Y = 0, W = 0, H = 0;
-  clip_box(x, y, w, h, X, Y, W, H);
-  if (W) return 1;
-  return 0;
+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;
+  double fr, fg, fb;
+  fr = r/255.0;
+  fg = g/255.0;
+  fb = b/255.0;
+  cairo_set_source_rgb(cairo_, fr, fg, fb);
+  check_status();
 }
 
-void Fl_PostScript_Graphics_Driver::ps_origin(int x, int y)
+void Fl_PostScript_Graphics_Driver::draw(int rotation, const char *str, int n, int x, int y)
 {
-  clocale_printf("GR GR GS %d %d TR  %f %f SC %d %d TR %f rotate GS\n",
-    left_margin, top_margin, scale_x, scale_y, x, y, angle);
+  cairo_save(cairo_);
+  cairo_translate(cairo_, x, y);
+  cairo_rotate(cairo_, -rotation * M_PI / 180);
+  this->transformed_draw(str, n, 0, 0);
+  cairo_restore(cairo_);
+}
+
+void Fl_PostScript_Graphics_Driver::transformed_draw(const char* str, int n, double x, double y) {
+  if (!n) return;
+  pango_layout_set_font_description(pango_layout_, Fl_Xlib_Graphics_Driver::pango_font_description(Fl_Graphics_Driver::font()));
+  int pwidth, pheight;
+  cairo_save(cairo_);
+  pango_layout_set_text(pango_layout_, str, n);
+  pango_layout_get_size(pango_layout_, &pwidth, &pheight);
+  if (pwidth > 0) {
+    double s = width(str, n);
+    cairo_translate(cairo_, x, y - height() + descent());
+    s = (s/pwidth) * PANGO_SCALE;
+    cairo_scale(cairo_, s, s);
+    pango_cairo_show_layout(cairo_, pango_layout_);
+  }
+  cairo_restore(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::rtl_draw(const char* str, int n, int x, int y) {
+  int w = (int)width(str, n);
+  transformed_draw(str, n, x - w, y);
+}
+
+void Fl_PostScript_Graphics_Driver::concat(){
+  cairo_matrix_t mat = {fl_matrix->a , fl_matrix->b , fl_matrix->c , fl_matrix->d , fl_matrix->x , fl_matrix->y};
+  cairo_transform(cairo_, &mat);
+}
+
+void Fl_PostScript_Graphics_Driver::reconcat(){
+  cairo_matrix_t mat = {fl_matrix->a , fl_matrix->b , fl_matrix->c , fl_matrix->d , fl_matrix->x , fl_matrix->y};
+  cairo_status_t stat = cairo_matrix_invert(&mat);
+  if (stat != CAIRO_STATUS_SUCCESS) {
+    fputs("error in cairo_matrix_invert\n", stderr);
+  }
+  cairo_transform(cairo_, &mat);
+}
+
+void Fl_PostScript_Graphics_Driver::begin_points() {
+  cairo_save(cairo_);
+  concat();
+  cairo_new_path(cairo_);
+  gap_=1;
+  shape_=POINTS;
+}
+
+void Fl_PostScript_Graphics_Driver::begin_line() {
+  cairo_save(cairo_);
+  concat();
+  cairo_new_path(cairo_);
+  gap_=1;
+  shape_=LINE;
+}
+
+void Fl_PostScript_Graphics_Driver::begin_loop() {
+  cairo_save(cairo_);
+  concat();
+  cairo_new_path(cairo_);
+  gap_=1;
+  shape_=LOOP;
+}
+
+void Fl_PostScript_Graphics_Driver::begin_polygon() {
+  cairo_save(cairo_);
+  concat();
+  cairo_new_path(cairo_);
+  gap_=1;
+  shape_=POLYGON;
+}
+
+void Fl_PostScript_Graphics_Driver::vertex(double x, double y) {
+  if(shape_==POINTS){
+    cairo_move_to(cairo_, x, y);
+    gap_=1;
+    return;
+  }
+  if(gap_){
+    cairo_move_to(cairo_, x, y);
+    gap_=0;
+  }else
+    cairo_line_to(cairo_, 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_)
+    cairo_move_to(cairo_, x, y);
+  else
+    cairo_line_to(cairo_, x, y);
+  gap_=0;
+  cairo_curve_to(cairo_, x1 , y1 , x2 , y2 , x3 , y3);
+}
+
+void Fl_PostScript_Graphics_Driver::circle(double x, double y, double r){
+  if (shape_==NONE){
+    cairo_save(cairo_);
+    concat();
+    cairo_arc(cairo_, x, y, r, 0, 2*M_PI);
+    reconcat();
+    cairo_restore(cairo_);
+  } else
+    cairo_arc(cairo_, x, y, r, 0, 2*M_PI);
+}
+
+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)
+    cairo_arc(cairo_, x, y, r, -start*M_PI/180, -a*M_PI/180);
+  else
+    cairo_arc_negative(cairo_, x, y, r, -start*M_PI/180, -a*M_PI/180);
+}
+
+void Fl_PostScript_Graphics_Driver::arc(int x, int y, int w, int h, double a1, double a2) {
+  if (w <= 1 || h <= 1) return;
+  cairo_save(cairo_);
+  begin_line();
+  cairo_translate(cairo_, x + w/2.0 -0.5 , y + h/2.0 - 0.5);
+  cairo_scale(cairo_, (w-1)/2.0 , (h-1)/2.0);
+  arc(0,0,1,a2,a1);
+  cairo_scale(cairo_, 2.0/(w-1) , 2.0/(h-1));
+  cairo_translate(cairo_, -x - w/2.0 +0.5 , -y - h/2.0 +0.5);
+  end_line();
+  cairo_restore(cairo_);
+}
+
+void Fl_PostScript_Graphics_Driver::pie(int x, int y, int w, int h, double a1, double a2) {
+  cairo_save(cairo_);
+  begin_polygon();
+  cairo_translate(cairo_, x + w/2.0 -0.5 , y + h/2.0 - 0.5);
+  cairo_scale(cairo_, (w-1)/2.0 , (h-1)/2.0);
+  vertex(0,0);
+  arc(0.0,0.0, 1, a2, a1);
+  end_polygon();
+  cairo_restore(cairo_);
+}
+
+void Fl_PostScript_Graphics_Driver::end_points() {
+  end_line();
+}
+
+void Fl_PostScript_Graphics_Driver::end_line() {
+  gap_=1;
+  reconcat();
+  cairo_stroke(cairo_);
+  cairo_restore(cairo_);
+  shape_=NONE;
+}
+
+void Fl_PostScript_Graphics_Driver::end_loop(){
+  gap_=1;
+  reconcat();
+  cairo_close_path(cairo_);
+  cairo_stroke(cairo_);
+  cairo_restore(cairo_);
+  shape_=NONE;
+}
+
+void Fl_PostScript_Graphics_Driver::end_polygon() {
+  gap_=1;
+  reconcat();
+  cairo_close_path(cairo_);
+  cairo_fill(cairo_);
+  cairo_restore(cairo_);
+  shape_=NONE;
+}
+
+void Fl_PostScript_Graphics_Driver::transformed_vertex(double x, double y) {
+  reconcat();
+  if(gap_){
+    cairo_move_to(cairo_, x, y);
+    gap_=0;
+  }else
+    cairo_line_to(cairo_, x, y);
+  concat();
+}
+
+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;
+  cairo_save(cairo_);
+  cairo_rectangle(cairo_, clip_->x-0.5 , clip_->y-0.5 , clip_->w  , clip_->h);
+  cairo_clip(cairo_);
+  check_status();
+}
+
+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;
+  cairo_save(cairo_);
+  cairo_reset_clip(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::pop_clip() {
+  if(!clip_)return;
+  Clip * c=clip_;
+  clip_=clip_->prev;
+  delete c;
+  cairo_restore(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::ps_origin(int x, int y) {
+  cairo_restore(cairo_);
+  cairo_restore(cairo_);
+  cairo_save(cairo_);
+  cairo_scale(cairo_, scale_x, scale_y);
+  cairo_translate(cairo_, x, y);
+  cairo_rotate(cairo_, angle * M_PI / 180);
+  cairo_save(cairo_);
+  check_status();
 }
 
 void Fl_PostScript_Graphics_Driver::ps_translate(int x, int y)
 {
-  fprintf(output, "GS %d %d translate GS\n", x, y);
+  cairo_save(cairo_);
+  cairo_translate(cairo_, x, y);
+  cairo_save(cairo_);
+  check_status();
 }
 
 void Fl_PostScript_Graphics_Driver::ps_untranslate(void)
 {
-  fprintf(output, "GR GR\n");
+  cairo_restore(cairo_);
+  cairo_restore(cairo_);
+  check_status();
+}
+
+void Fl_PostScript_Graphics_Driver::check_status(void) {
+#ifdef DEBUG
+  if (cairo_status(cairo_) !=  CAIRO_STATUS_SUCCESS) {
+    fprintf(stderr,"we have a problem");
+  }
+#endif
 }
 
+#endif // USE_PANGO
+
+/**
+\}
+\endcond
+*/
+
 void Fl_PostScript_File_Device::margins(int *left, int *top, int *right, int *bottom) // to implement
 {
   Fl_PostScript_Graphics_Driver *ps = driver();
@@ -1472,16 +1981,35 @@ 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;
+#if USE_PANGO
+  cairo_restore(ps->cr());
+  cairo_restore(ps->cr());
+  cairo_save(ps->cr());
+  cairo_scale(ps->cr(), s_x, s_y);
+  cairo_rotate(ps->cr(), ps->angle * M_PI / 180);
+  cairo_save(ps->cr());
+#else
   ps->clocale_printf("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);
+#endif
 }
 
 void Fl_PostScript_File_Device::rotate (float rot_angle)
 {
   Fl_PostScript_Graphics_Driver *ps = driver();
   ps->angle = - rot_angle;
+#if USE_PANGO
+  cairo_restore(ps->cr());
+  cairo_restore(ps->cr());
+  cairo_save(ps->cr());
+  cairo_scale(ps->cr(), ps->scale_x, ps->scale_y);
+  cairo_translate(ps->cr(), x_offset, y_offset);
+  cairo_rotate(ps->cr(), ps->angle * M_PI / 180);
+  cairo_save(ps->cr());
+#else
   ps->clocale_printf("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);
+#endif
 }
 
 void Fl_PostScript_File_Device::translate(int x, int y)
@@ -1497,17 +2025,45 @@ void Fl_PostScript_File_Device::untranslate(void)
 int Fl_PostScript_File_Device::begin_page (void)
 {
   Fl_PostScript_Graphics_Driver *ps = driver();
+#if USE_PANGO
+  cairo_ps_surface_dsc_begin_page_setup(cairo_get_target(ps->cr()));
+  char feature[200];
+  sprintf(feature, "%%%%PageOrientation: %s", ps->pw_ > ps->ph_ ? "Landscape" : "Portrait");
+  cairo_ps_surface_dsc_comment(cairo_get_target(ps->cr()), feature);
+  if (ps->pw_ > ps->ph_) {
+    cairo_translate(ps->cr(), 0, ps->pw_);
+    cairo_rotate(ps->cr(), -M_PI/2);
+  }
+  cairo_translate(ps->cr(), ps->left_margin, ps->top_margin);
+  cairo_set_line_width(ps->cr(), 1);
+  cairo_set_source_rgb(ps->cr(), 1.0, 1.0, 1.0); // white background
+  cairo_save(ps->cr());
+  cairo_save(ps->cr());
+  cairo_save(ps->cr());
+  ps->check_status();
+#else
   ps->page(ps->page_format_);
+#endif
   x_offset = 0;
   y_offset = 0;
   ps->scale_x = ps->scale_y = 1.;
   ps->angle = 0;
+#if ! USE_PANGO
   fprintf(ps->output, "GR GR GS %d %d translate GS\n", ps->left_margin, ps->top_margin);
+#endif
   return 0;
 }
 
 int Fl_PostScript_File_Device::end_page (void)
 {
+#if USE_PANGO
+  Fl_PostScript_Graphics_Driver *ps = (Fl_PostScript_Graphics_Driver*)driver();
+  cairo_restore(ps->cr());
+  cairo_restore(ps->cr());
+  cairo_restore(ps->cr());
+  cairo_show_page(ps->cr());
+  ps->check_status();
+#endif
   return 0;
 }
 
@@ -1515,6 +2071,20 @@ void Fl_PostScript_File_Device::end_job (void)
 // finishes PostScript & closes file
 {
   Fl_PostScript_Graphics_Driver *ps = driver();
+  int error = 0;
+#if USE_PANGO
+  cairo_surface_t *s = cairo_get_target(ps->cr());
+  cairo_surface_finish(s);
+  error = cairo_surface_status(s);
+  if (error) {
+    fclose(ps->output);
+    fputs("\n", ps->output); // creates an stdio error
+  }
+  cairo_destroy(ps->cr());
+  cairo_surface_destroy(s);
+  g_object_unref(ps->pango_layout());
+  if (!error) error = fflush(ps->output);
+#else
   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_){
@@ -1524,81 +2094,103 @@ void Fl_PostScript_File_Device::end_job (void)
   } 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);
-    }
+  error = ferror(ps->output);
+  ps->reset();
+#endif
   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();
+  Fl_Surface_Device::pop_current();
+  int err2 = (ps->close_cmd_ ? (ps->close_cmd_)(ps->output) : fclose(ps->output) );
+  if (!error) error = err2;
+  if (error && ps->close_cmd_ == NULL) {
+    fl_alert ("Error during PostScript data output.");
+    }
 }
 
-/**
-\}
-\endcond
-*/
-
-Fl_EPS_File_Surface::Fl_EPS_File_Surface(int width, int height, FILE *eps, Fl_Color background) :
+Fl_EPS_File_Surface::Fl_EPS_File_Surface(int width, int height, FILE *eps, Fl_Color background, Fl_PostScript_Close_Command closef) :
         Fl_Widget_Surface(new Fl_PostScript_Graphics_Driver()) {
   Fl_PostScript_Graphics_Driver *ps = driver();
   ps->output = eps;
+  ps->close_cmd_ = closef;
   if (ps->output) {
     float s = Fl::screen_scale(0);
     ps->start_eps(width*s, height*s);
+#if USE_PANGO
+      cairo_save(ps->cr());
+      ps->left_margin = ps->top_margin = 0;
+      cairo_scale(ps->cr(), s, s);
+      cairo_set_line_width(ps->cr(), 1);
+      cairo_set_source_rgb(ps->cr(), 1.0, 1.0, 1.0); // white background
+      cairo_save(ps->cr());
+      cairo_save(ps->cr());
+      ps->check_status();
+#else
     if (s != 1) {
       ps->clocale_printf("GR GR GS %f %f SC GS\n", s, s);
-      ps->scale_x = ps->scale_y = s;
     }
+#endif
+    ps->scale_x = ps->scale_y = s;
     Fl::get_color(background, ps->bg_r, ps->bg_g, ps->bg_b);
   }
 }
 
-void Fl_EPS_File_Surface::complete_() {
+int Fl_EPS_File_Surface::close() {
+  int error = 0;
   Fl_PostScript_Graphics_Driver *ps = driver();
+#if USE_PANGO
+  cairo_surface_t *s = cairo_get_target(ps->cr());
+  cairo_surface_finish(s);
+  cairo_status_t status = cairo_surface_status(s);
+  cairo_destroy(ps->cr());
+  cairo_surface_destroy(s);
+  g_object_unref(ps->pango_layout());
+  fflush(ps->output);
+  error = ferror(ps->output);
+  if (status !=  CAIRO_STATUS_SUCCESS) error = status;
+#else
   if(ps->output) {
     fputs("GR\nend %matches begin of FLTK dict\n", ps->output);
     fputs("restore\n", ps->output);
     fputs("%%EOF\n", ps->output);
     ps->reset();
     fflush(ps->output);
-    if(ferror(ps->output)) {
-      fl_alert ("Error during PostScript data output.");
-    }
+    error = ferror(ps->output);
   }
+#endif
+  int err2 = (ps->close_cmd_ ? (ps->close_cmd_)(ps->output) : fclose(ps->output));
+  if (err2) error = err2;
   while (ps->clip_){
     Fl_PostScript_Graphics_Driver::Clip * c= ps->clip_;
     ps->clip_= ps->clip_->prev;
     delete c;
   }
+  ps->output = NULL;
+  return error;
 }
 
 Fl_EPS_File_Surface::~Fl_EPS_File_Surface() {
-  Fl_PostScript_Graphics_Driver *ps = driver();
-  if(ps->output) complete_();
-  delete ps;
+  if (driver()->output) {
+    if ( close() ) {
+      fl_open_display();
+      fl_alert ("Error during encapsulated PostScript data output.");
+    }
+  }
+  delete driver();
 }
 
-int Fl_EPS_File_Surface::close() {
-  complete_();
+FILE *Fl_EPS_File_Surface::file() {
   Fl_PostScript_Graphics_Driver *ps = driver();
-  int retval = fclose(ps->output);
-  ps->output = NULL;
-  return retval;
+  return ps ? ps->output : NULL;
 }
 
 int Fl_EPS_File_Surface::printable_rect(int *w, int *h) {
   Fl_PostScript_Graphics_Driver *ps = driver();
-  *w = ps->width_;
-  *h = ps->height_;
+  *w = int(ps->pw_);
+  *h = int(ps->ph_);
   return 0;
 }
 
diff --git a/src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H b/src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H
new file mode 100644
index 000000000..6491872bc
--- /dev/null
+++ b/src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H
@@ -0,0 +1,231 @@
+//
+// Support for graphics output to PostScript file for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 2010-2020 by Bill Spitzak and others.
+//
+// This library is free software. Distribution and use rights are outlined in
+// the file "COPYING" which should have been included with this file.  If this
+// file is missing or damaged, see the license at:
+//
+//     https://www.fltk.org/COPYING.php
+//
+// Please see the following page on how to report bugs and issues:
+//
+//     https://www.fltk.org/bugs.php
+//
+
+/** \file  Fl_Pango_PostScript_Graphics_Driver.H
+ Declaration of class Fl_PostScript_Graphics_Driver.
+*/
+
+#ifndef FL_POSTSCRIPT_GRAPHICS_DRIVER_H
+#define FL_POSTSCRIPT_GRAPHICS_DRIVER_H
+
+#include "../../config_lib.h"
+#include <FL/Fl_PostScript.H>
+
+#ifndef USE_PANGO
+#define USE_PANGO 0
+#endif
+
+#if USE_PANGO
+typedef struct _cairo_surface cairo_surface_t;
+typedef struct _cairo cairo_t;
+typedef struct _PangoLayout  PangoLayout;
+#endif
+
+/**
+ \cond DriverDev
+ \addtogroup DriverDeveloper
+ \{
+ */
+
+/**
+ PostScript graphical backend.
+ */
+
+class FL_EXPORT Fl_PostScript_Graphics_Driver : public Fl_Graphics_Driver {
+private:
+#if USE_PANGO
+  cairo_t *cairo_;
+  PangoLayout *pango_layout_;
+  void draw_rgb_bitmap_(Fl_Image *img,int XP, int YP, int WP, int HP, int cx, int cy);
+#else
+  void transformed_draw_extra(const char* str, int n, double x, double y, int w, bool rtl);
+  void *prepare_rle85();
+  void write_rle85(uchar b, void *data);
+  void close_rle85(void *data);
+  void *prepare85();
+  void write85(void *data, const uchar *p, int len);
+  void close85(void *data);
+  int scale_for_image_(Fl_Image *img, int XP, int YP, int WP, int HP,int cx, int cy);
+#endif
+protected:
+  uchar **mask_bitmap() {return &mask;}
+public:
+  Fl_PostScript_Graphics_Driver();
+#ifndef FL_DOXYGEN
+  enum SHAPE{NONE=0, LINE, LOOP, POLYGON, POINTS};
+
+  class Clip {
+  public:
+    int x, y, w, h;
+    Clip *prev;
+  };
+  Clip * clip_;
+
+  int lang_level_;
+  int gap_;
+  int pages_;
+
+  int shape_;
+  int linewidth_;// need for clipping, lang level 1-2
+  int linestyle_;//
+  int interpolate_; //interpolation of images
+  unsigned char cr_,cg_,cb_;
+  char  linedash_[256];//should be enough
+  void concat();  // transform ror scalable dradings...
+  void reconcat(); //invert
+  void recover(); //recovers the state after grestore (such as line styles...)
+  void reset();
+
+  uchar * mask;
+  int mx; // width of mask;
+  int my; // mask lines
+  Fl_PostScript_Close_Command close_cmd_;
+  int page_policy_;
+  int nPages;
+  int orientation_;
+
+  float scale_x;
+  float scale_y;
+  float angle;
+  int left_margin;
+  int top_margin;
+
+  FILE *output;
+  double pw_, ph_;
+
+  uchar bg_r, bg_g, bg_b;
+  int start_postscript (int pagecount, enum Fl_Paged_Device::Page_Format format, enum Fl_Paged_Device::Page_Layout layout);
+  int start_eps(int width, int height);
+  /*  int alpha_mask(const uchar * data, int w, int h, int D, int LD=0);
+   */
+  void transformed_draw(const char* s, int n, double x, double y); //precise text placing
+  void transformed_draw(const char* s, double x, double y);
+  int alpha_mask(const uchar * data, int w, int h, int D, int LD=0);
+
+  enum Fl_Paged_Device::Page_Format page_format_;
+  char *ps_filename_;
+
+  void page_policy(int p);
+  int page_policy(){return page_policy_;};
+  void close_command(Fl_PostScript_Close_Command cmd){close_cmd_=cmd;};
+  FILE * file() {return output;};
+  //void orientation (int o);
+  //Fl_PostScript_Graphics_Driver(FILE *o, int lang_level, int pages = 0); // ps (also multi-page) constructor
+  void interpolate(int i){interpolate_=i;};
+  int interpolate(){return interpolate_;}
+
+  void page(double pw, double ph, int media = 0);
+  void page(int format);
+#endif // FL_DOXYGEN
+
+  // implementation of drawing methods
+  void color(Fl_Color c);
+  void color(uchar r, uchar g, uchar b);
+
+  void push_clip(int x, int y, int w, int h);
+  int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H);
+  int not_clipped(int x, int y, int w, int h);
+  void push_no_clip();
+  void pop_clip();
+
+  void line_style(int style, int width=0, char* dashes=0);
+
+  void rect(int x, int y, int w, int h);
+  void rectf(int x, int y, int w, int h);
+
+  void xyline(int x, int y, int x1);
+  void xyline(int x, int y, int x1, int y2);
+  void xyline(int x, int y, int x1, int y2, int x3);
+
+  void yxline(int x, int y, int y1);
+  void yxline(int x, int y, int y1, int x2);
+  void yxline(int x, int y, int y1, int x2, int y3);
+
+  void line(int x1, int y1, int x2, int y2);
+  void line(int x1, int y1, int x2, int y2, int x3, int y3);
+
+  void loop(int x0, int y0, int x1, int y1, int x2, int y2);
+  void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
+  void polygon(int x0, int y0, int x1, int y1, int x2, int y2);
+  void polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
+  void point(int x, int y);
+
+  void begin_points();
+  void begin_line();
+  void begin_loop();
+  void begin_polygon();
+  void vertex(double x, double y);
+  void curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3);
+  void circle(double x, double y, double r);
+  void arc(double x, double y, double r, double start, double a);
+  void arc(int x, int y, int w, int h, double a1, double a2);
+  void pie(int x, int y, int w, int h, double a1, double a2);
+  void end_points();
+  void end_line();
+  void end_loop();
+  void end_polygon();
+  void begin_complex_polygon(){begin_polygon();};
+  void gap(){gap_=1;};
+  void end_complex_polygon(){end_polygon();};
+  void transformed_vertex(double x, double y);
+
+  void draw_image(const uchar* d, int x,int y,int w,int h, int delta=3, int ldelta=0);
+  void draw_image_mono(const uchar* d, int x,int y,int w,int h, int delta=1, int ld=0);
+  void draw_image(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=3);
+  void draw_image_mono(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=1);
+
+  void draw(const char* s, int nBytes, int x, int y) {transformed_draw(s,nBytes,x,y); };
+  void draw(const char* s, int nBytes, float x, float y) {transformed_draw(s,nBytes,x,y); };
+  void draw(int angle, const char *str, int n, int x, int y);
+  void rtl_draw(const char* s, int n, int x, int y);
+  void font(int face, int size);
+  double width(const char *, int);
+  double width(unsigned int u);
+  void text_extents(const char *c, int n, int &dx, int &dy, int &w, int &h);
+  int height();
+  int descent();
+  void draw_pixmap(Fl_Pixmap * pxm,int XP, int YP, int WP, int HP, int cx, int cy);
+  void draw_bitmap(Fl_Bitmap * bitmap,int XP, int YP, int WP, int HP, int cx, int cy);
+  void draw_rgb(Fl_RGB_Image * rgb,int XP, int YP, int WP, int HP, int cx, int cy);
+#if USE_PANGO
+  cairo_t *cr() { return cairo_; }
+  PangoLayout *pango_layout() {return pango_layout_;};
+  void check_status(void);
+#else
+  /** Shields output PostScript data from modifications of the current locale.
+   It typically avoids PostScript errors caused if the current locale uses comma instead of dot
+   as "decimal point".
+   \param format  directives controlling output PostScript data
+   \return value returned by vfprintf() call
+   */
+  int clocale_printf(const char *format, ...);
+#endif
+  ~Fl_PostScript_Graphics_Driver();
+  // ---
+  Fl_Bitmask create_bitmask(int w, int h, const uchar *array) { return 0L; }
+  virtual int has_feature(driver_feature feature_mask) { return feature_mask & PRINTER; }
+
+  void ps_origin(int x, int y);
+  void ps_translate(int, int);
+  void ps_untranslate();
+};
+
+/**
+\}
+\endcond
+*/
+
+#endif // FL_POSTSCRIPT_GRAPHICS_DRIVER_H
diff --git a/src/drivers/PostScript/Fl_PostScript_image.cxx b/src/drivers/PostScript/Fl_PostScript_image.cxx
index 43f9b36c2..5c1f1d1f7 100644
--- a/src/drivers/PostScript/Fl_PostScript_image.cxx
+++ b/src/drivers/PostScript/Fl_PostScript_image.cxx
@@ -1,7 +1,7 @@
 //
 // Postscript image drawing implementation for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 1998-2015 by Bill Spitzak and others.
+// Copyright 1998-2020 by Bill Spitzak and others.
 //
 // This library is free software. Distribution and use rights are outlined in
 // the file "COPYING" which should have been included with this file.  If this
@@ -22,10 +22,48 @@
 #include <string.h>
 
 #include <FL/Fl_PostScript.H>
+#include "Fl_PostScript_Graphics_Driver.H"
 #include <FL/Fl.H>
 #include <FL/Fl_Pixmap.H>
 #include <FL/Fl_Bitmap.H>
 
+#if USE_PANGO
+#include <cairo/cairo.h>
+#endif
+
+struct callback_data {
+  const uchar *data;
+  int D, LD;
+};
+
+static void draw_image_cb(void *data, int x, int y, int w, uchar *buf) {
+  struct callback_data *cb_data;
+  const uchar *curdata;
+
+  cb_data = (struct callback_data*)data;
+  curdata = cb_data->data + x*cb_data->D + y*cb_data->LD;
+
+  memcpy(buf, curdata, w*cb_data->D);
+}
+
+void Fl_PostScript_Graphics_Driver::draw_image(const uchar *data, int ix, int iy, int iw, int ih, int D, int LD) {
+  if (D<3){ //mono
+    draw_image_mono(data, ix, iy, iw, ih, D, LD);
+    return;
+  }
+
+  struct callback_data cb_data;
+
+  if (!LD) LD = iw*D;
+
+  cb_data.data = data;
+  cb_data.D = D;
+  cb_data.LD = LD;
+
+  draw_image(draw_image_cb, &cb_data, ix, iy, iw, ih, D);
+}
+
+#if ! USE_PANGO
 
 //
 // Implementation of the /ASCII85Encode PostScript filter
@@ -345,41 +383,6 @@ static inline uchar swap_byte(const uchar b) {
   return (swapped[b & 0xF] << 4) | swapped[b >> 4];
 }
 
-
-struct callback_data {
-  const uchar *data;
-  int D, LD;
-};
-
-
-static void draw_image_cb(void *data, int x, int y, int w, uchar *buf) {
-  struct callback_data *cb_data;
-  const uchar *curdata;
-
-  cb_data = (struct callback_data*)data;
-  curdata = cb_data->data + x*cb_data->D + y*cb_data->LD;
-
-  memcpy(buf, curdata, w*cb_data->D);
-}
-
-
-void Fl_PostScript_Graphics_Driver::draw_image(const uchar *data, int ix, int iy, int iw, int ih, int D, int LD) {
-  if (D<3){ //mono
-    draw_image_mono(data, ix, iy, iw, ih, D, LD);
-    return;
-  }
-
-  struct callback_data cb_data;
-
-  if (!LD) LD = iw*D;
-
-  cb_data.data = data;
-  cb_data.D = D;
-  cb_data.LD = LD;
-
-  draw_image(draw_image_cb, &cb_data, ix, iy, iw, ih, D);
-}
-
 void Fl_PostScript_Graphics_Driver::draw_image(Fl_Draw_Image_Cb call, void *data, int ix, int iy, int iw, int ih, int D) {
   double x = ix, y = iy, w = iw, h = ih;
 
@@ -628,4 +631,144 @@ int Fl_PostScript_Graphics_Driver::scale_for_image_(Fl_Image *img, int XP, int Y
   return 0;
 }
 
+#else
+
+void Fl_PostScript_Graphics_Driver::draw_image(Fl_Draw_Image_Cb call, void *data, int ix, int iy, int iw, int ih, int D)
+{
+  uchar *array = new uchar[iw * D * ih];
+  for (int l = 0; l < ih; l++) {
+    call(data, 0, l, iw, array + l*D*iw);
+    if (D%2 == 0) for (int i = 0; i < iw; i++) {
+      *(array + l*D*iw + i*D + D-1) = 0xff;
+    }
+  }
+  Fl_RGB_Image *rgb = new Fl_RGB_Image(array, iw, ih, D);
+  rgb->alloc_array  = 1;
+  draw_rgb(rgb, ix, iy, iw, ih, 0, 0);
+  delete rgb;
+}
+
+void Fl_PostScript_Graphics_Driver::draw_image_mono(const uchar *data, int ix, int iy, int iw, int ih, int D, int LD)
+{
+  struct callback_data cb_data;
+  if (!LD) LD = iw*D;
+  cb_data.data = data;
+  cb_data.D = D;
+  cb_data.LD = LD;
+  draw_image(draw_image_cb, &cb_data, ix, iy, iw, ih, D);
+}
+
+void Fl_PostScript_Graphics_Driver::draw_image_mono(Fl_Draw_Image_Cb call, void *data, int ix, int iy, int iw, int ih, int D)
+{
+  draw_image(call, data, ix, iy, iw, ih, D);
+}
+
+static void destroy_BGRA(void *data) {
+  delete[] (uchar*)data;
+}
+
+void Fl_PostScript_Graphics_Driver::draw_pixmap(Fl_Pixmap *pxm,int XP, int YP, int WP, int HP, int cx, int cy) {
+  Fl_RGB_Image *rgb =  new Fl_RGB_Image(pxm);
+  draw_rgb_bitmap_(rgb, XP, YP, WP, HP, cx, cy);
+  delete rgb;
+}
+
+void Fl_PostScript_Graphics_Driver::draw_rgb(Fl_RGB_Image *rgb,int XP, int YP, int WP, int HP, int cx, int cy) {
+  draw_rgb_bitmap_(rgb, XP, YP, WP, HP, cx, cy);
+}
+
+void Fl_PostScript_Graphics_Driver::draw_bitmap(Fl_Bitmap *bitmap,int XP, int YP, int WP, int HP, int cx, int cy) {
+  draw_rgb_bitmap_(bitmap, XP, YP, WP, HP, cx, cy);
+}
+
+void Fl_PostScript_Graphics_Driver::draw_rgb_bitmap_(Fl_Image *img,int XP, int YP, int WP, int HP, int cx, int cy)
+{
+  cairo_surface_t *surf;
+  cairo_format_t format = (img->d() >= 1 ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_A1);
+  int stride = cairo_format_stride_for_width(format, img->data_w());
+  uchar *BGRA = new uchar[stride * img->data_h()];
+  memset(BGRA, 0, stride * img->data_h());
+  if (img->d() >= 1) { // process Fl_RGB_Image of all depths
+    Fl_RGB_Image *rgb = (Fl_RGB_Image*)img;
+    int lrgb = rgb->ld() ? rgb->ld() : rgb->data_w() * rgb->d();
+    uchar A = 0xff, R,G,B, *q;
+    const uchar *r;
+    float f = 1;
+    if (rgb->d() >= 3) { // color images
+       for (int j = 0; j < rgb->data_h(); j++) {
+        r = rgb->array + j * lrgb;
+        q = BGRA + j * stride;
+        for (int i = 0; i < rgb->data_w(); i++) {
+          R = *r;
+          G = *(r+1);
+          B = *(r+2);
+          if (rgb->d() == 4) {
+            A = *(r+3);
+            f = float(A)/0xff;
+          }
+          *q =  B * f;
+          *(q+1) =  G * f;
+          *(q+2) =  R * f;
+          *(q+3) =  A;
+          r += rgb->d(); q += 4;
+        }
+      }
+    } else if (rgb->d() == 1 || rgb->d() == 2) { // B&W
+      for (int j = 0; j < rgb->data_h(); j++) {
+        r = rgb->array + j * lrgb;
+        q = BGRA + j * stride;
+        for (int i = 0; i < rgb->data_w(); i++) {
+          G = *r;
+          if (rgb->d() == 2) {
+            A = *(r+1);
+            f = float(A)/0xff;
+          }
+          *(q) =  G * f;
+          *(q+1) =  G * f;
+          *(q+2) =  G * f;
+          *(q+3) =  A;
+          r += rgb->d(); q += 4;
+        }
+      }
+    }
+  } else {
+    Fl_Bitmap *bm = (Fl_Bitmap*)img;
+    uchar  *r, p;
+    unsigned *q;
+    for (int j = 0; j < bm->data_h(); j++) {
+      r = (uchar*)bm->array + j * ((bm->data_w() + 7)/8);
+      q = (unsigned*)(BGRA + j * stride);
+      unsigned k = 0, mask32 = 1;
+      p = *r;
+      for (int i = 0; i < bm->data_w(); i++) {
+        if (p&1) (*q) |= mask32;
+        k++;
+        if (k % 8 != 0) p >>= 1; else p = *(++r);
+        if (k % 32 != 0) mask32 <<= 1; else {q++; mask32 = 1;}
+      }
+    }
+  }
+  surf = cairo_image_surface_create_for_data(BGRA, format, img->data_w(), img->data_h(), stride);
+  if (cairo_surface_status(surf) == CAIRO_STATUS_SUCCESS) {
+    static cairo_user_data_key_t key = {};
+    (void)cairo_surface_set_user_data(surf, &key, BGRA, destroy_BGRA);
+    cairo_pattern_t *pat = cairo_pattern_create_for_surface(surf);
+    cairo_save(cairo_);
+    cairo_rectangle(cairo_, XP-0.5, YP-0.5, WP+1, HP+1);
+    cairo_clip(cairo_); // still to be tested
+    if (img->d() >= 1) cairo_set_source(cairo_, pat);
+    cairo_matrix_t matrix;
+    cairo_matrix_init_scale(&matrix, double(img->data_w())/img->w(), double(img->data_h())/img->h());
+    cairo_matrix_translate(&matrix, -XP+cx, -YP+cy);
+    cairo_pattern_set_matrix(pat, &matrix);
+    cairo_mask(cairo_, pat);
+    cairo_pattern_destroy(pat);
+    cairo_surface_destroy(surf);
+    cairo_restore(cairo_);
+    check_status();
+  }
+}
+
+#endif // USE_PANGO
+
 #endif // !defined(FL_DOXYGEN) && !defined(FL_NO_PRINT_SUPPORT)