| |
commit 8accc6e8409819316fa296642c1d23e5638fcb2d
Author: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Wed Oct 28 17:19:05 2020 +0100
Commit: GitHub <noreply@github.com>
CommitDate: Wed Oct 28 17:19:05 2020 +0100
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.
CMake/options.cmake | 15 +-
FL/Fl_PostScript.H | 271 +-----
configure.ac | 9 +-
src/CMakeLists.txt | 8 +-
src/Fl_Printer.cxx | 8 +-
src/Fl_x.cxx | 10 +-
src/drivers/Posix/Fl_Posix_Printer_Driver.cxx | 5 +-
src/drivers/PostScript/Fl_PostScript.cxx | 1010 ++++++++++++++++----
.../PostScript/Fl_PostScript_Graphics_Driver.H | 231 +++++
src/drivers/PostScript/Fl_PostScript_image.cxx | 215 ++++-
src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H | 5 +-
test/device.cxx | 9 +-
12 files changed, 1305 insertions(+), 491 deletions(-)
diff --git CMake/options.cmake CMake/options.cmake
index ac7fa5b..2bb439a 100644
--- CMake/options.cmake
+++ CMake/options.cmake
@@ -463,18 +463,23 @@ endif (OPTION_USE_PANGO)
#######################################################################
if (X11_Xft_FOUND AND OPTION_USE_PANGO)
pkg_check_modules(PANGOXFT pangoxft)
+ pkg_check_modules(PANGOCAIRO pangocairo)
+ pkg_check_modules(CAIRO cairo)
# message (STATUS "PANGOXFT_FOUND=" ${PANGOXFT_FOUND})
- if (PANGOXFT_FOUND)
- include_directories (${PANGOXFT_INCLUDE_DIRS})
+ if (PANGOXFT_FOUND AND PANGOCAIRO_FOUND AND CAIRO_FOUND)
+ include_directories (${PANGOXFT_INCLUDE_DIRS} ${CAIRO_INCLUDE_DIRS})
find_library(HAVE_LIB_PANGO pango-1.0 ${CMAKE_LIBRARY_PATH})
find_library(HAVE_LIB_PANGOXFT pangoxft-1.0 ${CMAKE_LIBRARY_PATH})
+ find_library(HAVE_LIB_PANGOCAIRO pangocairo-1.0 ${CMAKE_LIBRARY_PATH})
+ find_library(HAVE_LIB_CAIRO cairo ${CMAKE_LIBRARY_PATH})
+ find_library(HAVE_LIB_GOBJECT gobject-2.0 ${CMAKE_LIBRARY_PATH})
set (USE_PANGO TRUE)
- list (APPEND FLTK_LDLIBS -lpango-1.0 -lpangoxft-1.0 -lgobject-2.0)
+ list (APPEND FLTK_LDLIBS -lpango-1.0 -lpangoxft-1.0 -lpangocairo-1.0 -lcairo -lgobject-2.0)
if (APPLE)
get_filename_component(PANGO_L_PATH ${HAVE_LIB_PANGO} PATH)
set (LDFLAGS "${LDFLAGS} -L${PANGO_L_PATH}")
endif (APPLE)
- else(PANGOXFT_FOUND)
+ else(PANGOXFT_FOUND AND PANGOCAIRO_FOUND AND CAIRO_FOUND)
# this covers Debian, Ubuntu, FreeBSD, NetBSD, Darwin
if (APPLE AND OPTION_APPLE_X11)
@@ -511,7 +516,7 @@ if (X11_Xft_FOUND AND OPTION_USE_PANGO)
include_directories (${PANGO_H_PREFIX}/pango-1.0 ${GLIB_H_PATH} ${PANGOLIB_DIR}/glib-2.0/include)
list (APPEND FLTK_LDLIBS -lpango-1.0 -lpangoxft-1.0 -lgobject-2.0)
endif (HAVE_LIB_PANGO AND HAVE_LIB_PANGOXFT AND HAVE_LIB_GOBJECT)
-endif (PANGOXFT_FOUND)
+endif (PANGOXFT_FOUND AND PANGOCAIRO_FOUND AND CAIRO_FOUND)
endif (X11_Xft_FOUND AND OPTION_USE_PANGO)
if (OPTION_USE_XFT)
diff --git FL/Fl_PostScript.H FL/Fl_PostScript.H
index 489916d..dc31cb1 100644
--- FL/Fl_PostScript.H
+++ FL/Fl_PostScript.H
@@ -15,7 +15,7 @@
//
/** \file Fl_PostScript.H
- \brief declaration of classes Fl_PostScript_Graphics_Driver, Fl_PostScript_File_Device.
+ \brief declaration of classes Fl_PostScript_File_Device and Fl_EPS_File_Surface.
*/
#ifndef Fl_PostScript_H
@@ -25,204 +25,23 @@
#include <FL/fl_draw.H>
#include <stdarg.h>
-/* Signature of Fl_PostScript::close_command() functions passed as parameters. */
+/** Signature of Fl_PostScript::close_command() functions passed as parameters. */
extern "C" {
- typedef int (Fl_PostScript_Close_Command)(FILE *);
+ typedef int (*Fl_PostScript_Close_Command)(FILE *);
}
-/**
- \cond DriverDev
- \addtogroup DriverDeveloper
- \{
- */
-
-/**
- PostScript graphical backend.
- */
-class FL_EXPORT Fl_PostScript_Graphics_Driver : public Fl_Graphics_Driver {
-private:
- 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);
-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_;
-
- double width_;
- double height_;
-
- 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_Color bg_;
- 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 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
- //Fl_PostScript_Graphics_Driver(FILE *o, int lang_level, int x, int y, int w, int h); //eps 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);
- /** 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, ...);
- ~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; }
-
- int start_eps(int width, int height);
- void ps_origin(int x, int y);
- void ps_translate(int, int);
- void ps_untranslate();
-};
-
-/**
- \}
- \endcond
- */
+class Fl_PostScript_Graphics_Driver;
/**
To send graphical output to a PostScript file.
This class is used exactly as the Fl_Printer class except for the begin_job() call,
two variants of which are usable and allow to specify what page format and layout are desired.
- PostScript text uses vectorial fonts when using the FLTK standard fonts
- and the latin alphabet or a few other characters listed in the following table.
+ <b>Processing of text</b>: Text uses vectorial fonts under the X11 + pango platform.
+ With other platforms, only text restricted to the Latin alphabet (and a few other characters
+ listed in the table below) and to FLTK standard fonts is vectorized. All other unicode characters
+ or all other fonts (FL_FREE_FONT and above) are output as a bitmap.
+ FLTK standard fonts are output using the corresponding PostScript standard fonts.
The latin alphabet means all unicode characters between U+0020 and U+017F, or, in other words,
the ASCII, Latin-1 Supplement and Latin Extended-A charts.
<table>
@@ -241,37 +60,31 @@ public:
<tr><td>â??</td><td>U+2018</td><td>quoteleft</td><td>/</td><td>U+2044</td><td>fraction</td><td>ï¬?</td><td>U+FB02</td><td>fl</td></tr>
<tr><td>â??</td><td>U+2019</td><td>quoteright</td><td>â?¬</td><td>U+20AC</td><td>Euro</td><td></td><td>U+F8FF</td><td>apple (Mac OS only)</td></tr>
</table>
- <br> All other unicode characters or all other fonts (FL_FREE_FONT and above) are output as a bitmap.
- <br> FLTK standard fonts are output using the corresponding PostScript standard fonts.
-
+
*/
class FL_EXPORT Fl_PostScript_File_Device : public Fl_Paged_Device {
protected:
/**
\brief Returns the PostScript driver of this drawing surface.
*/
- Fl_PostScript_Graphics_Driver *driver();
+ inline Fl_PostScript_Graphics_Driver *driver() { return (Fl_PostScript_Graphics_Driver*)Fl_Surface_Device::driver(); }
public:
- /**
- @brief The constructor.
- */
- Fl_PostScript_File_Device();
- /**
- @brief The destructor.
- */
+ /** The constructor. */
+ Fl_PostScript_File_Device();
+ /** The destructor. */
~Fl_PostScript_File_Device();
/** Don't use with this class. */
int begin_job(int pagecount, int* from, int* to, char **perr_message);
- /**
- @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.
+ /** Begins the session where all graphics requests will go to a local PostScript file.
+ Opens a file dialog to select an output PostScript file.
+ This member function makes end_job() close the resulting PostScript file and display an
+ alert message with fl_alert() in case of any output error.
@param pagecount The total number of pages to be created. Use 0 if this number is unknown when this function is called.
@param format Desired page format.
@param layout Desired page layout.
@return 0 if OK, 1 if user cancelled the file dialog, 2 if fopen failed on user-selected output file.
*/
- int begin_job(int pagecount = 0, enum Fl_Paged_Device::Page_Format format = Fl_Paged_Device::A4,
+ int begin_job(int pagecount = 0, enum Fl_Paged_Device::Page_Format format = Fl_Paged_Device::A4,
enum Fl_Paged_Device::Page_Layout layout = Fl_Paged_Device::PORTRAIT);
/** Synonym of begin_job().
For API compatibility with FLTK 1.3.x */
@@ -279,9 +92,9 @@ public:
enum Fl_Paged_Device::Page_Layout layout = Fl_Paged_Device::PORTRAIT) {
return begin_job(pagecount, format, layout);
}
- /**
- @brief Begins the session where all graphics requests will go to FILE pointer.
- *
+ /** Begins the session where all graphics requests will go to FILE pointer.
+ This member function prevents end_job() from closing \p ps_output, so the user can check with \p ferror(ps_output)
+ for output errors.
@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. Use 0 if this number is unknown when this function is called.
@@ -308,11 +121,14 @@ public:
void translate(int x, int y);
void untranslate(void);
int end_page (void);
+ /** Finishes all PostScript output.
+ This also closes the underlying \p fclose(file()) unless close_command() was used to set another function.
+ */
void end_job(void);
- /** \brief Label of the PostScript file chooser window */
+ /** Label of the PostScript file chooser window */
static const char *file_chooser_title;
/** Returns the underlying FILE* receiving all PostScript data */
- FILE *file() { return driver()->file(); }
+ FILE *file();
};
/** Encapsulated PostScript drawing surface.
@@ -329,13 +145,10 @@ public:
surface->draw_decorated_window(win);
Fl_Surface_Device::pop_current();
delete surface; // the .eps file is not complete until the destructor was run
- fclose(eps);
}
\endcode
*/
class FL_EXPORT Fl_EPS_File_Surface : public Fl_Widget_Surface {
-private:
- void complete_();
protected:
/** Returns the PostScript driver of this drawing surface. */
inline Fl_PostScript_Graphics_Driver *driver() { return (Fl_PostScript_Graphics_Driver*)Fl_Surface_Device::driver(); }
@@ -343,27 +156,37 @@ public:
/**
Constructor.
\param width,height Width and height of the EPS drawing area
- \param eps A writable FILE pointer where the Encapsulated PostScript data will be sent
- \param background Color expected to cover the background of the EPS drawing area.
- This parameter affects only the drawing of transparent Fl_RGB_Image objects:
- transparent areas of RGB images are blended with the \p background color.
+ \param eps_output A writable FILE pointer where the Encapsulated PostScript data will be sent
+ \param background Color expected to cover the background of the EPS drawing area.
+ This parameter affects only the drawing of transparent Fl_RGB_Image objects:
+ transparent areas of RGB images are blended with the \p background color.
+ Under the X11 + pango platform, transparent RGB images are correctly blended to their background,
+ thus this parameter has no effect.
+ \param closef If not NULL, the destructor or close() will call \p closef(eps_output) after all
+ EPS data has been sent. If NULL, \p fclose(eps_output) is called instead. This allows to close the FILE
+ pointer by, e.g., \p pclose, or, using a function such as \p "int keep_open(FILE*){return 0;}", to keep it open after
+ completion of all output to \p eps_output. Function \p closef should return non zero to indicate an error.
*/
- Fl_EPS_File_Surface(int width, int height, FILE *eps, Fl_Color background = FL_WHITE);
+ Fl_EPS_File_Surface(int width, int height, FILE *eps_output,
+ Fl_Color background = FL_WHITE, Fl_PostScript_Close_Command closef = NULL);
/**
Destructor.
- The underlying FILE pointer remains open after destruction of the Fl_EPS_File_Surface object
- unless close() was called.
+ By default, the destructor closes with function \p fclose() the underlying FILE. See the constructor for how
+ to close it differently or to keep it open. Use close() before object destruction to receive the status code
+ of output operations. If close() is not used and if EPS output results in error, the destructor displays an alert message
+ with fl_alert().
*/
~Fl_EPS_File_Surface();
virtual int printable_rect(int *w, int *h);
/** Returns the underlying FILE pointer */
- FILE *file() { return driver() ? driver()->output : NULL; }
+ FILE *file();
virtual void origin(int x, int y);
virtual void origin(int *px, int *py);
virtual void translate(int x, int y);
virtual void untranslate();
- /** Closes using fclose() the underlying FILE pointer.
- The only operation possible with the Fl_EPS_File_Surface object after calling close() is its destruction. */
+ /** Completes all EPS output.
+ The only operation possible with the Fl_EPS_File_Surface object after calling close() is its destruction.
+ \return The status code of output operations to the FILE object. 0 indicates success. */
int close();
};
diff --git configure.ac configure.ac
index 800ef78..d2202c4 100644
--- configure.ac
+++ configure.ac
@@ -1108,7 +1108,14 @@ case $host_os_gui in
if test x$PKGCONFIG != x; then
CXXFLAGS="`$PKGCONFIG --cflags pangoxft` $CXXFLAGS"
LIBS="`$PKGCONFIG --libs pangoxft` $LIBS"
- else
+ CXXFLAGS="`$PKGCONFIG --cflags pangocairo` $CXXFLAGS"
+ LIBS="`$PKGCONFIG --libs pangocairo` $LIBS"
+ case $host_os in
+ darwin*)
+ LDFLAGS="-L/opt/sw/lib -L/sw/lib $LDFLAGS"
+ ;;
+ esac
+ else
case $host_os in
linux*)
CXXFLAGS="-I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include $CXXFLAGS"
diff --git src/CMakeLists.txt src/CMakeLists.txt
index d5eee5d..ff15cf0 100644
--- src/CMakeLists.txt
+++ src/CMakeLists.txt
@@ -529,10 +529,10 @@ if (HAVE_XRENDER)
endif (HAVE_XRENDER)
if (USE_PANGO)
- list (APPEND OPTIONAL_LIBS ${HAVE_LIB_PANGO} ${HAVE_LIB_PANGOXFT})
- if (NOT APPLE)
- list (APPEND OPTIONAL_LIBS ${HAVE_LIB_GOBJECT} )
- endif (NOT APPLE)
+ list (APPEND OPTIONAL_LIBS ${HAVE_LIB_PANGO} ${HAVE_LIB_PANGOXFT} ${HAVE_LIB_PANGOCAIRO} ${HAVE_LIB_CAIRO} ${HAVE_LIB_GOBJECT})
+ #if (NOT APPLE)
+ # list (APPEND OPTIONAL_LIBS ${HAVE_LIB_GOBJECT} )
+ #endif (NOT APPLE)
endif (USE_PANGO)
if (USE_XFT)
diff --git src/Fl_Printer.cxx src/Fl_Printer.cxx
index 8c587af..0155923 100644
--- src/Fl_Printer.cxx
+++ src/Fl_Printer.cxx
@@ -2,7 +2,7 @@
// Encompasses platform-specific printing-support code and
// PostScript output code for the Fast Light Tool Kit (FLTK).
//
-// Copyright 2010-2016 by Bill Spitzak and others.
+// 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
@@ -80,15 +80,19 @@ void Fl_PostScript_File_Device::translate(int x, int y) {}
void Fl_PostScript_File_Device::untranslate(void) {}
int Fl_PostScript_File_Device::end_page (void) {return 1;}
void Fl_PostScript_File_Device::end_job(void) {}
+FILE* Fl_PostScript_File_Device::file() {return NULL;}
Fl_PostScript_File_Device::~Fl_PostScript_File_Device(void) {}
-Fl_EPS_File_Surface::Fl_EPS_File_Surface(int width, int height, FILE *eps, Fl_Color background) : Fl_Widget_Surface(NULL) {}
+Fl_EPS_File_Surface::Fl_EPS_File_Surface(int width, int height, FILE *eps_output,
+ Fl_Color background, Fl_PostScript_Close_Command closef) : Fl_Widget_Surface(NULL) {}
Fl_EPS_File_Surface::~Fl_EPS_File_Surface() {}
void Fl_EPS_File_Surface::origin(int, int) {}
void Fl_EPS_File_Surface::origin(int*, int*) {}
int Fl_EPS_File_Surface::printable_rect(int*, int*) {return 1;}
void Fl_EPS_File_Surface::translate(int, int) {}
void Fl_EPS_File_Surface::untranslate() {}
+FILE* Fl_EPS_File_Surface::file() {return NULL;}
+int Fl_EPS_File_Surface::close() {return 1;}
#else
diff --git src/Fl_x.cxx src/Fl_x.cxx
index 9472036..31a76f4 100644
--- src/Fl_x.cxx
+++ src/Fl_x.cxx
@@ -3087,7 +3087,7 @@ void Fl_X11_Window_Driver::show() {
}
-//#define USE_PRINT_BUTTON 1
+#define USE_PRINT_BUTTON 1
#ifdef USE_PRINT_BUTTON
// to test the Fl_Printer class creating a "Print front window" button in a separate window
@@ -3112,6 +3112,7 @@ void printFront(Fl_Widget *o, void *data)
scale = (float)w/ww;
if ((float)h/wh < scale) scale = (float)h/wh;
printer.scale(scale, scale);
+ printer.printable_rect(&w, &h);
}
// #define ROTATE 20.0
@@ -3120,11 +3121,12 @@ void printFront(Fl_Widget *o, void *data)
printer.printable_rect(&w, &h);
printer.origin(w/2, h/2 );
printer.rotate(ROTATE);
- printer.print_widget( win, - win->w()/2, - win->h()/2 );
+ printer.print_window( win, - win->w()/2, - win->h()/2);
//printer.print_window_part( win, 0,0, win->w(), win->h(), - win->w()/2, - win->h()/2 );
#else
- printer.print_window(win);
- //printer.print_window_part( win, 0,0, win->w(), win->h(), 0,0 );
+ printer.origin(w/2, h/2 );
+ printer.print_window(win, -ww/2, -wh/2);
+ //printer.print_window_part( win, 0,0, win->w(), win->h(), -ww/2, -wh/2 );
#endif
printer.end_page();
diff --git src/drivers/Posix/Fl_Posix_Printer_Driver.cxx src/drivers/Posix/Fl_Posix_Printer_Driver.cxx
index dbb966a..5fcb464 100644
--- src/drivers/Posix/Fl_Posix_Printer_Driver.cxx
+++ src/drivers/Posix/Fl_Posix_Printer_Driver.cxx
@@ -1,7 +1,7 @@
//
// PostScript priting support for the Fast Light Tool Kit (FLTK).
//
-// Copyright 2010-2016 by Bill Spitzak and others.
+// 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
@@ -19,6 +19,7 @@
#if defined(FL_CFG_PRN_PS) && !defined(FL_NO_PRINT_SUPPORT)
#include <FL/Fl_PostScript.H>
+#include "../PostScript/Fl_PostScript_Graphics_Driver.H"
#include <FL/Fl_Printer.H>
#include <FL/fl_ask.H>
@@ -326,7 +327,7 @@ int Fl_Posix_Printer_Driver::begin_job(int pages, int *firstpage, int *lastpage,
return 2;
}
ps->close_command(pclose);
- this->set_current();
+ Fl_Surface_Device::push_current(this);
return ps->start_postscript(pages, format, layout); // start printing
}
diff --git src/drivers/PostScript/Fl_PostScript.cxx src/drivers/PostScript/Fl_PostScript.cxx
index 5adf205..958bbd1 100644
--- src/drivers/PostScript/Fl_PostScript.cxx
+++ 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;
@@ -935,84 +1039,26 @@ 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);
+void Fl_PostScript_Graphics_Driver::color(unsigned char r, unsigned char g, unsigned char b) {
+ Fl_Graphics_Driver::color( fl_rgb_color(r, g, b) );
+ cr_ = r; cg_ = g; cb_ = b;
+ if (r == g && g == b) {
+ double gray = r/255.0;
+ clocale_printf("%g GL\n", gray);
+ } else {
+ double fr, fg, fb;
+ fr = r/255.0;
+ fg = g/255.0;
+ fb = b/255.0;
+ clocale_printf("%g %g %g SRGB\n", fr , fg , fb);
}
}
-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;
- if (r == g && g == b) {
- double gray = r/255.0;
- clocale_printf("%g GL\n", gray);
- } else {
- double fr, fg, fb;
- fr = r/255.0;
- fg = g/255.0;
- fb = b/255.0;
- clocale_printf("%g %g %g SRGB\n", fr , fg , fb);
- }
-}
-
-void Fl_PostScript_Graphics_Driver::draw(int rotation, const char *str, int n, int x, int y)
-{
- fprintf(output, "GS %d %d translate %d rotate\n", x, y, -rotation);
- this->transformed_draw(str, n, 0, 0);
- fprintf(output, "GR\n");
+void Fl_PostScript_Graphics_Driver::draw(int rotation, const char *str, int n, int x, int y)
+{
+ fprintf(output, "GS %d %d translate %d rotate\n", x, y, -rotation);
+ this->transformed_draw(str, n, 0, 0);
+ fprintf(output, "GR\n");
}
@@ -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 src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H
new file mode 100644
index 0000000..6491872
--- /dev/null
+++ 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 src/drivers/PostScript/Fl_PostScript_image.cxx src/drivers/PostScript/Fl_PostScript_image.cxx
index 43f9b36..5c1f1d1 100644
--- src/drivers/PostScript/Fl_PostScript_image.cxx
+++ 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)
diff --git src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
index 322b45c..4f1906d 100644
--- src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
+++ src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
@@ -1,7 +1,7 @@
//
// Definition of class Fl_Xlib_Graphics_Driver for the Fast Light Tool Kit (FLTK).
//
-// Copyright 2010-2018 by Bill Spitzak and others.
+// 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
@@ -82,6 +82,9 @@ protected:
static PangoContext *pctxt_;
static PangoFontMap *pfmap_;
static PangoLayout *playout_;
+public:
+ static PangoFontDescription* pango_font_description(Fl_Font fnum) { return pfd_array[fnum]; }
+private:
static PangoFontDescription **pfd_array; // one array element for each Fl_Font
static int pfd_array_length;
void do_draw(int from_right, const char *str, int n, int x, int y);
diff --git test/device.cxx test/device.cxx
index 154bdb8..8b04e53 100644
--- test/device.cxx
+++ test/device.cxx
@@ -617,7 +617,12 @@ void copy(Fl_Widget *, void *data) {
}
if (!err) {
p->begin_page();
- if (target->as_window()) p->print_window(target->as_window());
+ if (target->as_window()) {
+ int w, h;
+ p->printable_rect(&w, &h);
+ p->origin(w/2, h/2);
+ p->print_window(target->as_window(), -target->w()/2, -target->h()/2);
+ }
else p->print_widget(target);
p->end_page();
p->end_job();
@@ -646,10 +651,8 @@ void copy(Fl_Widget *, void *data) {
if (p.file()) {
if (target->as_window()) p.draw_decorated_window(target->as_window());
else p.draw(target);
- //p.close();
}
}
- fclose(eps);
}
}
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