260 lines
9.9 KiB
C++
260 lines
9.9 KiB
C++
//
|
|
// Support for graphics output to PostScript file for the Fast Light Tool Kit (FLTK).
|
|
//
|
|
// Copyright 2010-2023 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.h>
|
|
#include <FL/Fl_PostScript.H>
|
|
|
|
#ifndef USE_PANGO
|
|
#define USE_PANGO 0
|
|
#endif
|
|
|
|
/**
|
|
\cond DriverDev
|
|
\addtogroup DriverDeveloper
|
|
\{
|
|
*/
|
|
|
|
/**
|
|
PostScript graphical backend.
|
|
*/
|
|
#if USE_PANGO
|
|
|
|
#include "../Cairo/Fl_Cairo_Graphics_Driver.H"
|
|
|
|
class Fl_PostScript_Graphics_Driver : public Fl_Cairo_Graphics_Driver {
|
|
public:
|
|
FILE *output;
|
|
Fl_PostScript_Close_Command close_cmd_;
|
|
int page_format_;
|
|
char *ps_filename_;
|
|
int nPages;
|
|
double pw_, ph_;
|
|
|
|
Fl_PostScript_Graphics_Driver();
|
|
~Fl_PostScript_Graphics_Driver();
|
|
void close_command(Fl_PostScript_Close_Command cmd){close_cmd_=cmd;}
|
|
FILE * file() {return output;}
|
|
inline void set_cairo(cairo_t *cr) { cairo_ = cr; }
|
|
void page(double pw, double ph, int media = 0);
|
|
void page(int format);
|
|
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);
|
|
void draw_image(const uchar *data, int ix, int iy, int iw, int ih, int D, int LD) FL_OVERRIDE;
|
|
void draw_image(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=3) FL_OVERRIDE {
|
|
Fl_Cairo_Graphics_Driver::draw_image(call, data, x,y,w,h,delta);
|
|
}
|
|
void font(int f, int s) FL_OVERRIDE;
|
|
Fl_Font font() FL_OVERRIDE;
|
|
double width(const char *s, int n) FL_OVERRIDE;
|
|
double width(unsigned u) FL_OVERRIDE;
|
|
int height() FL_OVERRIDE;
|
|
int descent() FL_OVERRIDE;
|
|
void text_extents(const char *c, int n, int &dx, int &dy, int &w, int &h) FL_OVERRIDE;
|
|
// draw text at width measured on display
|
|
void transformed_draw(const char* s, int n, double x, double y);
|
|
void draw(const char* s, int nBytes, int x, int y) FL_OVERRIDE {transformed_draw(s,nBytes,x,y); }
|
|
void draw(const char* s, int nBytes, float x, float y) FL_OVERRIDE {transformed_draw(s,nBytes,x,y); }
|
|
void draw(int angle, const char *str, int n, int x, int y) FL_OVERRIDE {Fl_Cairo_Graphics_Driver::draw(angle, str, n, x, y);}
|
|
|
|
void point(int x, int y) FL_OVERRIDE;
|
|
int not_clipped(int x, int y, int w, int h) FL_OVERRIDE;
|
|
int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H) FL_OVERRIDE;
|
|
virtual int has_feature(driver_feature feature_mask) FL_OVERRIDE { return feature_mask & PRINTER; }
|
|
// draw image classes without caching them
|
|
void draw_rgb_bitmap_(Fl_Image *img,int XP, int YP, int WP, int HP, int cx, int cy);
|
|
void draw_pixmap(Fl_Pixmap * pxm,int XP, int YP, int WP, int HP, int cx, int cy) FL_OVERRIDE;
|
|
void draw_bitmap(Fl_Bitmap * bitmap,int XP, int YP, int WP, int HP, int cx, int cy) FL_OVERRIDE;
|
|
void draw_rgb(Fl_RGB_Image * rgb,int XP, int YP, int WP, int HP, int cx, int cy) FL_OVERRIDE;
|
|
};
|
|
|
|
#else // ! USE_PANGO
|
|
|
|
class 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() FL_OVERRIDE {return &mask;}
|
|
public:
|
|
Fl_PostScript_Graphics_Driver();
|
|
|
|
class Clip {
|
|
public:
|
|
int x, y, w, h;
|
|
Clip *prev;
|
|
};
|
|
Clip * clip_;
|
|
|
|
int lang_level_;
|
|
int gap_;
|
|
int pages_;
|
|
int interpolate_; //interpolation of images
|
|
uchar * mask;
|
|
int mx; // width of mask;
|
|
int my; // mask lines
|
|
int page_policy_;
|
|
void page_policy(int p);
|
|
int page_policy() { return page_policy_; }
|
|
int alpha_mask(const uchar * data, int w, int h, int D, int LD=0);
|
|
/** 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, ...);
|
|
|
|
int linewidth_;// need for clipping, lang level 1-2
|
|
int linestyle_;//
|
|
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();
|
|
|
|
Fl_PostScript_Close_Command close_cmd_;
|
|
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);
|
|
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 page_format_;
|
|
char *ps_filename_;
|
|
|
|
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);
|
|
|
|
// implementation of drawing methods
|
|
void color(Fl_Color c) FL_OVERRIDE;
|
|
void color(uchar r, uchar g, uchar b) FL_OVERRIDE;
|
|
Fl_Color color() FL_OVERRIDE;
|
|
|
|
void push_clip(int x, int y, int w, int h) FL_OVERRIDE;
|
|
int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H) FL_OVERRIDE;
|
|
int not_clipped(int x, int y, int w, int h) FL_OVERRIDE;
|
|
void push_no_clip() FL_OVERRIDE;
|
|
void pop_clip() FL_OVERRIDE;
|
|
|
|
void line_style(int style, int width=0, char* dashes=0) FL_OVERRIDE;
|
|
|
|
void rect(int x, int y, int w, int h) FL_OVERRIDE;
|
|
void rectf(int x, int y, int w, int h) FL_OVERRIDE;
|
|
|
|
void xyline(int x, int y, int x1) FL_OVERRIDE;
|
|
void xyline(int x, int y, int x1, int y2) FL_OVERRIDE;
|
|
void xyline(int x, int y, int x1, int y2, int x3) FL_OVERRIDE;
|
|
|
|
void yxline(int x, int y, int y1) FL_OVERRIDE;
|
|
void yxline(int x, int y, int y1, int x2) FL_OVERRIDE;
|
|
void yxline(int x, int y, int y1, int x2, int y3) FL_OVERRIDE;
|
|
|
|
void line(int x1, int y1, int x2, int y2) FL_OVERRIDE;
|
|
void line(int x1, int y1, int x2, int y2, int x3, int y3) FL_OVERRIDE;
|
|
|
|
void loop(int x0, int y0, int x1, int y1, int x2, int y2) FL_OVERRIDE;
|
|
void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) FL_OVERRIDE;
|
|
void polygon(int x0, int y0, int x1, int y1, int x2, int y2) FL_OVERRIDE;
|
|
void polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) FL_OVERRIDE;
|
|
void point(int x, int y) FL_OVERRIDE;
|
|
|
|
void begin_points() FL_OVERRIDE;
|
|
void begin_line() FL_OVERRIDE;
|
|
void begin_loop() FL_OVERRIDE;
|
|
void begin_polygon() FL_OVERRIDE;
|
|
void vertex(double x, double y) FL_OVERRIDE;
|
|
void curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3) FL_OVERRIDE;
|
|
void circle(double x, double y, double r) FL_OVERRIDE;
|
|
void arc(double x, double y, double r, double start, double a) FL_OVERRIDE;
|
|
void arc(int x, int y, int w, int h, double a1, double a2) FL_OVERRIDE;
|
|
void pie(int x, int y, int w, int h, double a1, double a2) FL_OVERRIDE;
|
|
void end_points() FL_OVERRIDE;
|
|
void end_line() FL_OVERRIDE;
|
|
void end_loop() FL_OVERRIDE;
|
|
void end_polygon() FL_OVERRIDE;
|
|
void begin_complex_polygon() FL_OVERRIDE {begin_polygon();}
|
|
void gap() FL_OVERRIDE {gap_=1;}
|
|
void end_complex_polygon() FL_OVERRIDE {end_polygon();}
|
|
void transformed_vertex(double x, double y) FL_OVERRIDE;
|
|
|
|
void draw_image(const uchar* d, int x,int y,int w,int h, int delta=3, int ldelta=0) FL_OVERRIDE;
|
|
void draw_image_mono(const uchar* d, int x,int y,int w,int h, int delta=1, int ld=0) FL_OVERRIDE;
|
|
void draw_image(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=3) FL_OVERRIDE;
|
|
void draw_image_mono(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=1) FL_OVERRIDE;
|
|
|
|
void draw(const char* s, int nBytes, int x, int y) FL_OVERRIDE {transformed_draw(s,nBytes,x,y); }
|
|
void draw(const char* s, int nBytes, float x, float y) FL_OVERRIDE {transformed_draw(s,nBytes,x,y); }
|
|
void draw(int angle, const char *str, int n, int x, int y) FL_OVERRIDE;
|
|
void rtl_draw(const char* s, int n, int x, int y) FL_OVERRIDE;
|
|
void font(int face, int size) FL_OVERRIDE;
|
|
Fl_Font font() FL_OVERRIDE;
|
|
double width(const char *, int) FL_OVERRIDE;
|
|
double width(unsigned int u) FL_OVERRIDE;
|
|
void text_extents(const char *c, int n, int &dx, int &dy, int &w, int &h) FL_OVERRIDE;
|
|
int height() FL_OVERRIDE;
|
|
int descent() FL_OVERRIDE;
|
|
void draw_pixmap(Fl_Pixmap * pxm,int XP, int YP, int WP, int HP, int cx, int cy) FL_OVERRIDE;
|
|
void draw_bitmap(Fl_Bitmap * bitmap,int XP, int YP, int WP, int HP, int cx, int cy) FL_OVERRIDE;
|
|
void draw_rgb(Fl_RGB_Image * rgb,int XP, int YP, int WP, int HP, int cx, int cy) FL_OVERRIDE;
|
|
~Fl_PostScript_Graphics_Driver();
|
|
int has_feature(driver_feature feature_mask) FL_OVERRIDE { return feature_mask & PRINTER; }
|
|
|
|
void ps_origin(int x, int y);
|
|
void ps_translate(int, int);
|
|
void ps_untranslate();
|
|
};
|
|
|
|
#endif // USE_PANGO
|
|
/**
|
|
\}
|
|
\endcond
|
|
*/
|
|
|
|
#endif // FL_POSTSCRIPT_GRAPHICS_DRIVER_H
|